1 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4 * value-prof.c (static_values): Removed.
5 (tree_find_values_to_profile): Do not set static_values.
6 (find_values_to_profile): Do not free static_values.
7 * profile.c (instrument_values): Do not free the values.
8 (branch_prob): Free the values.
10 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
12 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
14 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
17 * c-typeck.c (build_component_ref): Combine qualifiers of
18 structure or union and field.
20 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
22 PR rtl-optimization/28071
23 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
24 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
25 * tree-into-ssa.c (struct dom_dfsnum): New.
26 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
28 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
29 compute_global_livein.
30 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
31 in phi nodes in the correct blocks.
33 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
35 PR tree-optimization/28364
36 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
38 (fold_affine_expr): New function.
39 (may_eliminate_iv): Use fold_affine_expr.
41 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
44 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
47 2006-08-16 Mike Stump <mrs@apple.com>
49 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
50 * doc/cppopts.texi (-MD): Likewise.
52 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
55 * c-common.c (handle_weak_attribute): Ignore and warn if
56 not a FUNCTION_ or VAR_DECL.
58 2006-07-15 Mike Stump <mrs@apple.com>
61 * c-parser.c (c_parser_typeof_specifier): Don't use
62 c_finish_expr_stmt, open code desired semantics instead.
64 2006-08-15 Nick Clifton <nickc@redhat.com>
66 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
67 fragment to tmake_file only if threads are enabled.
68 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
69 * config/i386/t-gthr-win32: New file. ... here.
71 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
74 * c-parser.c (c_parser_compound_statement_nostart): Reset
75 parser->error after each statement.
77 2006-08-15 Jakub Jelinek <jakub@redhat.com>
80 * omp-low.c (lower_omp_parallel): Convert t to
82 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
83 source before comparison.
86 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
87 to itype in assignment to oldival2.
89 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
93 * c-typeck.c (build_compound_expr): If the second expression
94 is an error mark, then just return an error mark instead of
95 creating a COMPOUND_EXPR.
97 2006-07-14 Mike Stump <mrs@apple.com>
99 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
101 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
103 * c-decl.c, var-tracking.c: Fix comment typos.
105 2006-08-14 Richard Sandiford <richard@codesourcery.com>
107 PR rtl-optimization/28634
108 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
109 for floating-point modes unless flag_unsafe_math_optimizations.
111 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
112 Andrew Pinski <pinskia@physics.uc.edu>
115 * tree.c (build_array_type): Unify array types with
116 unspecified index_type.
117 * c-decl.c (grokdeclarator): Make sure we do not modify a
118 unified incomplete array type.
119 * c-typeck.c (store_init_value): Create distinct type before
120 filling in the index type in an initializer from a compound
123 * c-decl.c (grokdeclarator): Remove code where we copy the
126 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
128 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
129 into account for TODO_dump_cgraph.
130 (TODO_update_ssa_no_phi): Likewise.
131 (TODO_update_ssa_full_phi): Likewise.
132 (TODO_update_ssa_only_virtuals): Likewise.
133 (TODO_remove_unused_locals): Likewise.
134 (TODO_set_props): Likewise.
135 (TODO_update_stmt_usage): Likewise.
137 2006-08-13 Dirk Mueller <dmueller@suse.de>
139 * c-common.c (strict_aliasing_warning): Fix formatting.
141 2006-08-13 Matthias Klose <doko@debian.org>
143 * doc/invoke.texi: Fix spelling errors.
145 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
147 PR rtl-optimization/23454
148 * reorg.c (relax_delay_slots): Update comment.
150 2006-08-11 Richard Guenther <rguenther@suse.de>
153 * simplify-rtx.c (simplify_const_relational_operation):
154 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
157 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
159 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
160 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
162 2006-08-10 Paul Brook <paul@codesourcery.com>
164 * final.c (final_scan_insn): Clear current_insn_predicate before
165 outputting inline asm.
167 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
169 PR tree-optimization/26197
170 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
171 get_ref_base_and_extent and overlap_subvar to add only relevant
172 subvars as may-aliases.
173 (add_may_alias_for_new_tag): New function, factored out of
175 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
176 with additional argument.
177 * tree-flow.h (new_type_alias): Takes additional argument.
179 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
181 * gcov.c (no_data_file): New flag.
182 (read_count_file): Set it if data file not present. Assume counts
184 (output_lines): Don't name the data file, if there wasn't one.
186 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
188 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
189 (rs6000_generate_compare): Tweak comments.
190 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
192 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
194 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
195 (var_debug_decl): New function.
196 (var_reg_set): Follow debug decl link. Add location even if
197 reg is already known to hold some other variable.
198 (var_mem_set): Follow debug decl link.
199 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
200 decl link. Delete other known locations of the variable part
202 (var_reg_delete, var_mem_delete): Delete other known locations
203 of the variable part if requested.
204 (same_variable_part_p): New function.
205 (add_stores): Select MO_COPY when appropriate.
206 (vt_initialize): Handle it.
207 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
208 known locations for MO_SET and MO_CLOBBER.
209 (find_variable_location_part): New function.
210 (set_variable_part, delete_variable_part): Use it.
211 (clobber_variable_part): New function.
212 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
215 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
217 PR tree-optimization/26969
218 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
219 with an empty list of PHIs.
221 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
225 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
228 2006-08-06 Andreas Schwab <schwab@suse.de>
230 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
231 string. Whitespace and comment fixup.
233 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
236 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
240 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
243 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
245 2006-08-04 Jan Hubicka <jh@suse.cz>
249 * reload.c (push_reload): Patch out the mismatching instruction;
251 (find_reload): Bail out if the instruction was patched out.
253 2006-08-04 Jan Hubicka <jh@suse.cz>
255 PR tree-optimization/24888
256 * tree-inline.c (expand_call_inline): Do not re-record variables.
257 (declare_inline_vars): Add variable to unexpanded_var_list.
259 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
260 Roger Sayle <roger@eyesopen.com>
262 PR rtl-optimization/26244
263 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
264 inner_const are negative or greater than or equal to the bitsize of
265 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
266 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
267 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
268 CONST0_RTX (mode) when the new shift count is greater than or equal to
269 to the bitsize of the object being shifted and XEXP (y, 0) has no side
272 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
274 * tree-cfg.c: Fix a comment typo.
276 2006-08-03 Mark Mitchell <mark@codesourcery.com>
279 * varasm.c (output_constant): Give the front end another chance to
280 expand constants, after stripping NOPs.
282 2006-08-03 Jan Hubicka <jh@suse.cz>
284 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
287 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
289 PR tree-optimization/27770
290 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
291 declaration removed (moved to tree-flow.h).
292 (vect_can_force_dr_alignment_p): Likewise.
293 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
294 (moved from tree-vectorizer.h).
295 (vect_can_force_dr_alignment_p): Likewise.
296 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
297 from outside the vectorizer - in particular from cgraph stage.
298 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
299 the alignment of global arrays when -fsection-anchors is enabled.
300 * cgraphunit.c (cgraph_increase_alignment): New function.
301 (cgraph_optimize): Call cgraph_increase_alignment.
303 2006-08-03 David Edelsohn <edelsohn@gnu.org>
306 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
307 not reload a SPE symbol_ref into a lo_sum address.
309 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
312 * dwarf2out.c (prune_unused_types_prune): Move call to
313 prune_unused_types_update_strings to cover the parent DIE also.
315 2006-08-02 Jan Hubicka <jh@suse.cz>
317 PR gcov/profile/28480
318 * tree-cfg.c (change_bb_for_stmt): New function.
319 (tree_merge_blocks, tree_split_blocks): Use it.
321 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
327 * toplev.c (compile_file): Return early on errorcount or sorrycount.
328 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
329 (cgraph_optimize): Likewise.
331 2006-08-01 Stuart Hastings <stuart@apple.com>
333 * rtl.h (UINTVAL) New.
334 * config/rs6000/rs6000.c (SMALL_INT) Use it.
335 * testsuite/gcc.dg/20060801-1.c: New.
337 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
340 * c-typeck.c (build_external_type): Mark used enum types.
341 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
343 (gen_subprogram_die): Whitespace fix.
345 2006-08-01 Jan Hubicka <jh@suse.cz>
347 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
348 bitmap when not needed.
349 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
352 2006-08-01 Dirk Mueller <dmueller@suse.de>
354 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
356 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
358 * Makefile.in: Revert part of previous patch:
359 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
362 2006-07-30 Eric Christopher <echristo@apple.com>
365 * doc/extend.texi (i386 Variable Attributes): Add anchor.
366 (PowerPC Variable Attributes): New section.
368 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
370 PR target/28126 (partial fix)
371 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
373 2006-07-28 Jan Hubicka <jh@suse.cz>
375 PR rtl-optimization/28071
376 * cfgrtl.c (rtl_delete_block): Free regsets.
377 * flow.c (allocate_bb_life_data): Re-use regsets if available.
379 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
381 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
382 and variables used in dependencies.
384 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
386 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
387 %fs for -mcmodel=kernel.
388 (stack_tls_protect_test_di): Likewise.
390 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
392 * Makefile.in: Use mkinstalldirs.
394 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
397 * opts-common.c (prune_options): Skip joined switches.
399 2006-07-27 Jan Hubicka <jh@suse.cz>
401 PR rtl-optimization/28071
402 * cselib.c (cselib_process_insn): Don't remove useless values too
403 often for very large hashtables.
405 2006-07-27 Jan Hubicka <jh@suse.cz>
407 PR rtl-optimization/28071
408 * global.c (greg_obstack): New obstack.
409 (allocate_bb_info): Use it.
410 (free_bb_info): Likewise.
411 (modify_reg_pav): Likewise.
413 2006-07-27 Roger Sayle <roger@eyesopen.com>
415 * builtins.c (fold_fixed_mathfn): When long and long long are the
416 same size, canonicalize llceil*, llfloor*, llround* and llrint*
417 functions to their lceil*, lfloor*, lround* and lrint* forms.
419 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
422 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
424 (rev_branch_insn): Likewise.
426 2006-07-27 Jan Hubicka <jh@suse.cz>
428 PR rtl-optimization/28071
429 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
430 (reg_set_in_bb, max_reg_computed): New static variables.
431 (regmove_optimize): Free the new array.
432 (fixup_match_1): Update call of reg_is_remote_constant_p.
434 2006-07-26 Jan Hubicka <jh@suse.cz>
436 PR tree-optimization/27882
437 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
439 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
441 (cgraph_analyze_compilation_unit): Likewise.
442 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
443 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
444 (cgraph_early_inlinine): Make order garbage collected.
445 * Makefile.in (gt-ipa-inline): New garbagecollected file.
447 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
449 * dbxout.c (output_types_sort): Add a comment.
450 (output_used_types): Free the VEC.
452 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
454 * function.c (reorder_fix_fragments): Delete.
455 (reorder_blocks): Don't call it.
456 (reorder_blocks_1): Put all subblocks under the origin block.
458 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
460 PR rtl-optimization/27907
461 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
464 2006-07-25 Roger Sayle <roger@eyesopen.com>
467 * convert.c (convert_to_integer): When transforming (T)foo(x) into
468 bar(x) check that bar's result type can represent all the values of T.
470 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
472 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
474 2006-07-25 Nick Clifton <nickc@redhat.com>
476 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
478 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
479 (ggc_pch_count_object): Likewise.
480 (ggc_pch_alloc_object): Likewise.
481 (ggc_pch_write_object): Likewise.
482 (init_ggc): Do not attempt to initialize entries in the
483 size_lookup[] array for objects whose size is greater than than
484 the length of the array.
486 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
488 * dbxout.c (output_used_types_helper): Push queued types
490 (output_types_sort): New.
491 (output_used_types): Collect used types on a VEC and sort them
494 2006-07-24 Richard Guenther <rguenther@suse.de>
497 * cgraph.c (cgraph_remove_node): Do not check if dumps
499 * cgraphunit.c (cgraph_optimize): Likewise.
501 2006-07-24 Jan Hubicka <jh@suse.cz>
503 PR rtl-optimization/28071
504 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
505 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
506 splitting before first stmt.
508 2006-07-24 Jan Hubicka <jh@suse.cz>
510 PR rtl-optimization/28071
511 * ipa-inline.c (update_caller_keys): Remove edges that
512 are no longer inline candidates.
514 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
517 * dbxout.c (output_used_types_helper, output_used_types): New.
518 (dbxout_symbol): Call output_used_types.
520 2006-07-23 Jan Hubicka <jh@suse.cz>
524 * cgraph.c (cgraph_varpool_nodes): Export.
525 (decide_is_variable_needed): Ignored "used" attribute in
527 * cgraph.h (cgraph_varpool_nodes): Declare.
528 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
531 2006-07-23 Roger Sayle <roger@eyesopen.com>
534 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
535 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
536 the __gthrw form of thr_keycreate.
537 (__gthread_key_delete): Silence the unused argument warning.
539 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
542 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
543 Cache the last found '\0' marker to avoid quadratic behavior.
545 2006-07-23 Jan Hubicka <jh@suse.cz>
547 * i386.md (subsi_3_zext): Fix output template.
549 2006-07-21 Mike Stump <mrs@apple.com>
551 * doc/invoke.texi (C++ Dialect Options): Note that
552 -fvisibility-inlines-hidden doesn't affect explicitly
553 instantiationed inline methods.
555 2006-07-20 Roger Sayle <roger@eyesopen.com>
557 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
558 if the target assembler is GNU binutils' gas.
559 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
560 whether to pass GNU gas or native as command line options.
562 2006-07-20 Jason Merrill <jason@redhat.com>
564 * tree.c (remove_attribute): New fn.
565 * tree.h: Declare it.
567 2006-07-20 Paul Brook <paul@codesourcery.com>
570 * cse.c (cse_insn): Add destination addresses to hash table. Check if
571 they are invalidated by this instruction.
573 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
576 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
578 2006-07-20 Eric Christopher <echristo@apple.com>
581 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
583 2006-07-19 Eric Christopher <echristo@apple.com>
585 * config/t-slibgcc-darwin (stmp-lipo): Remove.
586 Rewrite dependencies for libgcc_s.1.dylib.
588 2006-07-19 Jakub Jelinek <jakub@redhat.com>
590 * except.c (duplicate_eh_regions_1): Clear next_peer.
592 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
594 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
595 -mlongcall does not guarantee all calls will be long.
596 * doc/extend.texi (long_call/short_call): Document that longcall
597 does not guarantee a long call will be used.
598 (longcall/shortcall): Likewise.
600 2006-07-18 Roger Sayle <roger@eyesopen.com>
603 * expmed.c (expand_shift): Additionally check that the shift_cost
604 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
605 before implementing a LSHIFT_EXPR as a sequence of additions.
606 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
607 middle-end that DImode shifts need to be synthesized by expand.
609 2006-07-18 Diego Novillo <dnovillo@redhat.com>
612 * tree-ssa-operands.c (access_can_touch_variable): Update
614 Return true if ALIAS is .GLOBAL_VAR.
616 2006-07-18 David Daney <ddaney@avtrex.com>
618 * gcc.c (display_help): Fix typo in help text.
620 2006-07-18 Olivier Hainque <hainque@adacore.com>
622 * tree.h (categorize_ctor_elements): Adjust prototype and add
623 descriptive comment, both in accordance with the interface change
625 * varasm.c (constructor_static_from_elts_p): New function.
626 Whether a constructor node is a valid static constant initializer
627 if all its elements are.
628 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
629 * output.h: Declare it.
630 * expr.c (categorize_ctor_elements_1): Return whether the constructor
631 is a valid constant initializer instead of computing the number of
632 non-constant elements. Use constructor_static_from_elts_p for this
633 purpose. Replace the head comment with an indication that this is a
634 helper for categorize_ctor_elements.
635 (categorize_ctor_elements): Same interface change as for the _1
636 helper. Former head comment from this helper moved here, adjusted to
637 account for the interface changes.
638 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
639 (all_zeros_p): Likewise.
640 * gimplify.c (gimplify_init_constructor): Decide whether we can make
641 static versions of the constructor from the categorize_ctor_elements
642 return value instead of the formerly computed number of non-constant
645 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
647 * configure: Regenerate.
648 * Makefile.in (build_libsubdir): New configure substitution
649 (build_libobjdir): New variable.
650 (BUILD_LIBIBERTY): Use it.
652 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
655 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
657 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
660 * c-common.c (handle_weakref_attribute): Ignore attribute in
661 the same conditions the alias attribute is ignored.
663 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
665 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
666 (dbxout_begin_prologue): Increment scope_labelno.
668 2006-07-17 Richard Henderson <rth@redhat.com>
671 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
674 2006-07-17 Roger Sayle <roger@eyesopen.com>
675 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
677 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
678 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
679 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
680 functions such as sbrk, write, etc.. Add function prototypes.
681 Convert function declarations from K&R to ISO C. Cast pointers
682 to "long" and "unsigned long" instead of "int" and "unsigned int".
683 Convert tokens following #endif into comments.
685 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
687 * invoke.texi: Remove mention of f77; Reformat table for
688 inline parameter options correctly; mention that -malign-double
689 is default on x86-64 targets.
691 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
693 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
694 (convert_affine_scev, chrec_convert_aggressive): Use
695 avoid_arithmetics_in_type_p. Do not check for the subtypes
698 2006-07-17 Richard Sandiford <richard@codesourcery.com>
701 * optabs.c (expand_doubleword_shift): Wrap the call to
702 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
704 2006-07-17 Richard Sandiford <richard@codesourcery.com>
707 * optabs.c (expand_binop): Pass next_methods rather than methods
708 to expand_doubleword_shift.
710 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
713 * tree.h (dump_addr): Declare.
714 * print-tree.c (dump_addr): New function.
715 (print_node_brief, print_node): Use it.
716 * print-rtl.c (print_rtx): Likewise.
717 * common.opt (-fdump-noaddr): New option.
718 * doc/invoke.texi (-fdump-noaddr): Document.
719 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
720 (ve_info_hash): Likewise.
722 2006-07-13 Andrew Haley <aph@redhat.com>
724 PR tree-optimization/19505
725 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
726 edge leaving this block, make sure that the destination of this
727 block has only one predecessor.
729 2006-07-17 Richard Guenther <rguenther@suse.de>
731 PR tree-optimization/28238
732 * tree-inline.c (copy_bb): Check if we produced valid
733 gimple copying and substituting a stmt. If not, gimplify
736 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
738 * optabs.c (maybe_encapsulate_block): New function extracted from...
739 (emit_libcall_block): ...here. Invoke it on the block of insns to
740 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
741 (emit_no_conflict_block): Likewise.
743 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
745 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
747 2006-07-15 Roger Sayle <roger@eyesopen.com>
749 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
750 a new NOP_EXPR case of the switch statement.
752 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
755 * stor-layout.c (place_field): Take the bit field with
756 an excessive size into account in the ms-bitfiled case.
759 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
760 the previous bit field.
762 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
765 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
767 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
769 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
770 signal frames correctly even when the signal was installed with
773 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
775 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
776 (dbxout_function_end): Use local label LFBB. Remove hook
778 (dbxout_source_line): Use local label LFBB.
779 (dbxout_block): Likewise.
780 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
781 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
782 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
785 2006-07-13 Janis Johnson <janis187@us.ibm.com>
787 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
789 2006-07-13 Jan Hubicka <jh@suse.cz>
791 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
793 * output.h (align_variable): Declare.
794 * varasm.c (align_variable): Export.
795 * value-prof.c (tree_value_profile_transformations): Recompute iterator
796 when basic block changed.
798 2006-07-13 Nick Clifton <nickc@redhat.com>
800 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
801 walking the LOG_LINKS chain.
803 2006-07-12 Geoffrey Keating <geoffk@apple.com>
805 * doc/invoke.texi (C++ Dialect Options): Explain difference
806 between -fvisibility-inlines-hidden and setting hidden
807 visibility explicitly.
809 2006-07-12 Eric Christopher <echristo@apple.com>
811 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
812 (stmp-lipo): Depend on libgcc.a.
814 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
816 * tree.c: Fix a comment typo.
818 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
820 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
822 (umulhisi3_r): Likewise.
824 2006-07-12 Paolo Carlini <pcarlini@suse.de>
827 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
828 x < 19, vs wchar_t support.
830 2006-07-12 Nick Clifton <nickc@redhat.com>
832 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
835 2006-07-12 Mike Stump <mrs@apple.com>
837 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
839 2006-07-10 Eric Christopher <echristo@apple.com>
841 * config/t-slibgcc-darwin: Rewrite.
843 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
846 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
849 2006-07-08 Matthias Klose <doko@debian.org>
851 * doc/sourcebuild.texi: Fix typo.
853 2006-07-07 Mike Stump <mrs@apple.com>
855 * toplev.c (process_options): Don't give -ffunction-sections may
856 affect debugging warning for Mach-O.
858 2006-07-07 James E Wilson <wilson@specifix.com>
860 * config/mips/mips.md (cpu): Add sb1a.
861 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
862 addition to sb1. Adjust comments to clarify SB-1A differences from
864 (ir_sb1a_load): New. Modify bypasses to use it.
865 (ir_sb1a_simple_alu): Likewise.
866 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
867 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
868 (mips_issue_rate): Add PROCESSOR_SB1A.
869 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
870 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
871 (TARGET_SB1): Add PROCESSOR_SB1A check.
872 (TUNE_SB1): Likewise.
874 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
875 * config/mips/mips.c (mips_store_data_bypass_p): New.
876 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
879 2006-07-08 Paul Brook <paul@codesourcery.com>
882 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
884 2006-07-07 Richard Guenther <rguenther@suse.de>
887 * tree.h (build_one_cst): Declare.
888 * tree.c (build_one_cst): New function.
889 * tree-ssa-math-opts.c (get_constant_one): Remove.
890 (insert_reciprocals): Use build_one_cst.
891 * fold-const.c (fold_plusminus_mult): Likewise.
893 2006-07-07 Roger Sayle <roger@eyesopen.com>
895 * pointer-set.c (pointer_set_destroy): Correct whitespace.
896 * cfgloopanal.c (dump_graph): Likewise.
897 * dojump.c (discard_pending_stack_adjust): Likewise.
898 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
900 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
901 * function.c (finalize_block_changes): Likewise.
902 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
903 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
904 * rtl.c (dump_rtx_statistics): Likewise.
905 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
907 * varray.c (dump_varray_statistics): Likewise.
908 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
909 decode_decimal64, encode_decimal128, decode_decimal128,
910 decimal_real_to_decimal): Likewise.
912 2006-07-07 Richard Guenther <rguenther@suse.de>
914 PR tree-optimization/28187
915 * tree-vrp.c (vrp_operand_equal_p): New function.
916 (vrp_bitmap_equal_p): Likewise.
917 (update_value_range): Use them to compare old and new
920 2006-07-06 Roger Sayle <roger@eyesopen.com>
922 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
923 a default case to switch statement to silence compiler warnings.
925 2006-07-06 Roger Sayle <roger@eyesopen.com>
928 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
929 the configured assembler supports the x87's ffreep mnemonic.
930 * configure: Regenerate.
931 * config.in: Regenerate.
933 * config/i386/i386.c (output_387_ffreep): New function.
934 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
935 (output_387_reg_move): Likewise.
937 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
939 Port to hosts whose 'sort' and 'tail' implementations
940 treat operands with leading '+' as file names, as POSIX
941 has required since 2001. However, make sure the code still
942 works on pre-POSIX hosts.
943 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
944 which says you should use "tail -c +N" rather than "tail +Nc".
945 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
947 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
949 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
952 2006-07-06 David Edelsohn <edelsohn@gnu.org>
955 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
956 PRE_{INC,DEC} of TFmode.
958 2006-07-06 David Edelsohn <edelsohn@gnu.org>
959 Alan Modra <amodra@bigpond.net.au>
962 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
965 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
968 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
969 Remove duplicate gtu.
971 2006-07-05 Jason Merrill <jason@redhat.com>
975 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
976 * c-common.c (handle_packed_attribute): So don't copy it here.
977 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
979 2006-07-05 Mike Stump <mrs@apple.com>
981 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
983 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
986 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
988 2006-07-05 Richard Guenther <rguenther@suse.de>
991 * config/i386/i386.md (*negdf2_1): Restrict pattern to
992 TARGET_SSE2 targets if using SSE math.
993 (*absdf2_1): Likewise.
995 2006-07-05 Richard Guenther <rguenther@suse.de>
997 PR tree-optimization/28162
998 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
999 make sure to convert the operands to the correct type.
1001 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1003 PR tree-optimization/28218
1005 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1006 to calculate and free the dominator information.
1008 2006-07-04 Peter O'Gorman <peter@pogma.com>
1010 * mklibgcc.in: chmod 644 before ranlib during install.
1012 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1013 J"orn Rennecke <joern.rennecke@st.com>
1015 * configure.ac (.eh_frame data check): Use diff -b.
1017 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1020 * Makefile.in (BUILD_RTL): Add build/vec.o.
1021 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1022 (build/genextract): Delete.
1023 (build/genautomata): Likewise.
1025 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1028 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1029 128-bit IBM long doubles for ABI_V4.
1031 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1033 * tree.c (range_in_array_bounds_p): New predicate.
1034 * tree.h (range_in_array_bounds_p): Declare it.
1035 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1036 return a less conservative answer.
1037 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1038 and flag 'is_group'.
1039 (IS_ELEMENT_FOR_GROUP): New macro.
1040 (FOR_EACH_ACTUAL_CHILD): Likewise.
1041 (next_child_for_group): New helper function.
1042 (can_completely_scalarize_p): Take into account groups.
1043 (sra_hash_tree): Handle RANGE_EXPR.
1044 (sra_elt_eq): Likewise.
1045 (lookup_element): Be prepared for handling groups.
1046 (is_valid_const_index): Delete.
1047 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1048 instead of is_valid_const_index.
1049 <ARRAY_RANGE_REF>: New case.
1050 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1051 is_valid_const_index.
1052 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1053 (scan_dump): Dump info for groups too.
1054 (decide_instantiation_1): Likewise.
1055 (decide_block_copy): Assert that the element is not a group.
1056 Propagate decision to groups.
1057 (generate_one_element_ref): Handle RANGE_EXPR.
1058 (mark_no_warning): Iterate over actual childs.
1059 (generate_copy_inout): Likewise.
1060 (generate_element_copy): Likewise.
1061 (generate_element_zero): Likewise.
1062 (generate_element_init_1): Likewise.
1063 (dump_sra_elt_name): Handle RANGE_EXPR.
1065 2006-07-03 Roger Sayle <roger@eyesopen.com>
1067 PR tree-optimization/26251
1068 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1069 (thread_block): When optimizing for size refuse to thread jumps
1070 that would require duplication of blocks other than redirection
1073 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1075 * configure.ac: Fix thinko in previous check-in.
1076 * configure: Regenerate.
1078 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1081 * configure.ac (for lang...): Simplify nesting of conditionals.
1082 Test subdir_requires for non-enabled languages. Move processing
1083 of lang_opt_files and lang_tree_fiels below that test.
1084 * configure: Regenerate.
1085 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1087 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1089 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1091 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1093 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1096 2006-06-29 Jason Merrill <jason@redhat.com>
1103 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1104 * c-common.c (c_determine_visibility): Handle it here.
1105 * c-decl.c (finish_decl): Call c_determine_visibility for
1107 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1109 * varasm.c (default_assemble_visibility): Likewise.
1110 * c-common.c (handle_visibility_attribute): Complain about trying
1111 to give visibility to an already defined class, or trying to change
1112 declared visibility. Always attach the attribute.
1117 * attribs.c (decl_attributes): Ignore type-in-place attributes
1118 once the type has been defined.
1120 2006-06-29 Roger Sayle <roger@eyesopen.com>
1123 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1124 to indicate the cpplib has issued an error message for us.
1126 2006-06-29 Asher Langton <langton2@llnl.gov>
1129 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1130 insert a label at the end of an function under Mach-O.
1132 2006-06-29 Eric Christopher <echristo@apple.com>
1133 Evan Cheng <evan.cheng@apple.com>
1135 * predicates.md (vector_all_ones_operand): New.
1136 (nonimmediate_or_sse_const_operand): Ditto.
1137 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1138 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1139 (standard_sse_mode_p): Ditto.
1140 (standard_sse_constant_p): Add case for -1 vector.
1141 (ix86_expand_vector_move): Try to use.
1142 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1143 Call standard_sse_constant_opcode.
1144 (*movv4sf_internal): Ditto.
1145 (*movv2df_internal): Ditto.
1147 2006-06-29 Roger Sayle <roger@eyesopen.com>
1149 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1150 of XEXP to extract the operands of a MATCH_CODE rtx.
1152 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1154 * tree.c (tree_size): Do not waste tail padding in
1155 struct tree_string and make the size be the same as
1156 build_string will generate.
1158 2006-06-28 Jason Merrill <jason@redhat.com>
1161 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1162 may_aliases already in the tag's annotations to the bitmap.
1164 2006-06-28 Roger Sayle <roger@eyesopen.com>
1166 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1168 2006-06-28 Roger Sayle <roger@eyesopen.com>
1170 * genpreds.c (generate_switch_p): New function.
1171 (add_mode_tests): Push the new mode test down inside an AND expr
1172 if this allows the switch-suitable MATCH_CODE to be near the root.
1173 (write_match_code_switch): New function to write a MATCH_CODE as
1175 (write_predicate_stmts): New function to write a predicate RTX
1176 expression as a sequence of statements.
1177 (write_one_predicate_function): Use write_predicate_stmts.
1178 (write_tm_constrs_h): Likewise.
1180 2006-06-26 Fred Fish <fnf@specifix.com>
1182 * config/mips/t-sb1: New file.
1183 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1186 2006-06-26 DJ Delorie <dj@redhat.com>
1188 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1190 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1191 Jayant Sonar <jayants@kpitcummins.com>
1192 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1194 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1195 (subsi3, subsi3_1, subsi3_2): New.
1196 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1197 * config/m32c/mov.md (SI mov peephole): New.
1198 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1199 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1201 2006-06-26 Olivier Hainque <hainque@adacore.com>
1203 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1204 a CALL_EXPR target function declaration.
1206 2006-06-26 Richard Guenther <rguenther@suse.de>
1208 * tree.c (build_string): Do not waste tail padding in
1211 2006-06-26 Richard Guenther <rguenther@suse.de>
1213 * ggc-page.c (init_ggc): Add missing element to size_lookup
1217 2006-06-23 Richard Guenther <rguenther@suse.de>
1219 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1220 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1221 alignment requests instead. Add verification code.
1222 Add struct tree_function_decl and struct tree_binfo size to
1223 extra_order_size_table. Add missing element to size_lookup
1226 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1229 * fold-const.c (const_binop): Be prepared for self returning zero.
1230 Simplify code handling complex values.
1232 2006-06-24 Olivier Hainque <hainque@adacore.com>
1234 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1235 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1238 2006-06-24 Olivier Hainque <hainque@adacore.com>
1240 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1241 ARRAY_REF, so have the callback called for the low bound expression.
1243 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1245 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1246 * c-typeck.c (c_common_type): Disallow operations on decimal float
1247 types and other float types.
1248 * convert.c (convert_to_real): Don't ignore conversions involving
1249 decimal float types.
1251 2006-06-23 Olivier Hainque <hainque@adacore.com>
1253 * tree.c (max_int_size_in_bytes): New function, inspired from
1254 code in function.c:assign_temp.
1255 * tree.h (max_int_size_in_bytes): Declare.
1256 * function.c (assign_temp): Use it.
1257 * gimplify.c (create_tmp_var): Relax the assertions on the type
1258 properties, not mandating constant size any more.
1259 (force_constant_size): New static function.
1260 (gimple_add_tmp_var): Use it, forcing variable size to a
1261 constant upper bound if it is not constant on entry.
1263 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1266 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1267 for initialization and setting of one_only flag to ...
1268 (i386_pe_encode_section_info): ...here.
1269 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1270 Recheck that the symbol has not been defined.
1272 2006-06-23 Richard Guenther <rguenther@suse.de>
1274 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1275 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1276 alignment requests instead. Add verification code.
1277 Add struct tree_function_decl and struct tree_binfo size to
1278 extra_order_size_table. Add missing element to size_lookup
1281 2006-06-22 Roger Sayle <roger@eyesopen.com>
1282 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1285 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1286 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1288 2006-06-23 Ben Elliston <bje@au.ibm.com>
1290 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1291 negate dn -- manipulate it directly.
1293 2006-06-22 Roger Sayle <roger@eyesopen.com>
1294 Steven Bosscher <stevenb.gcc@gmail.com>
1297 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1298 generated by gen_move_insn to add REG_LABEL notes if necessary.
1300 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1302 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1303 (leaf_entry): Remove use of MIN_ESA.
1305 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1307 PR rtl-optimization/28121
1308 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1311 2006-06-21 DJ Delorie <dj@redhat.com>
1313 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1315 (mulhisi3_r): Likewise.
1317 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1320 * coverage.c (coverage_counter_alloc): Leave the index type
1322 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1325 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1327 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1328 section from the "Options for Code Generation Conventions".
1330 2006-06-21 Richard Henderson <rth@redhat.com>
1334 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1336 (global_symbolic_operand): Allow weak symbols, even if local_p.
1338 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1340 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1341 (find_interesting_uses_address): Punt if above function returns true.
1343 2006-06-21 Richard Guenther <rguenther@suse.de>
1345 * configure: Regenerated.
1347 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1349 * config/mips/mips.c (function_arg): Where one part of a
1350 complex argument is in registers and the other part in the stack,
1351 return a REG not a PARALLEL.
1353 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1355 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1356 when cross-compiling. Do not substitute libstdcxx_incdir.
1357 * configure: Regenerated.
1359 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1361 * varasm.c (mergeable_string_section): Check for embedded NULs and
1362 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1363 rather than TREE_STRING_LENGTH bytes.
1365 2006-06-21 Richard Guenther <rguenther@suse.de>
1367 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1368 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1371 2006-06-21 Richrad Guenther <rguenther@suse.de>
1373 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1374 Limit iteration over the dominators.
1376 2006-06-20 Roger Sayle <roger@eyesopen.com>
1378 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1379 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1381 2006-06-20 Richard Guenther <rguenther@suse.de>
1382 Michael Matz <matz@suse.de>
1384 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1386 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1387 * et-forest.h (et_free_pools): Prototype new function.
1388 * et-forest.c (et_free_tree_force): Free parent occurrence.
1389 (et_free_pools): New function.
1390 * dominance.c (free_dominance_info): Free et-forest alloc
1393 2006-06-20 Roger Sayle <roger@eyesopen.com>
1395 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1396 integer modes, attempt to directly construct an integer constant.
1398 * fold-const.c (native_encode_vector): Determine the size of each
1399 element from the vector type instead of the first vector element.
1401 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1402 if all of its elements/components are constant.
1403 (build_constructor_from_list): Likewise.
1405 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1407 PR tree-optimization/27331
1408 * tree-data-ref.c (free_data_ref): New function.
1409 (create_data_ref): Fail if the data reference has unknown access
1411 (free_data_refs): Use free_data_ref.
1413 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1416 * tree-inline.c (setup_one_parameter): Strip useless
1417 type conversion before adding it to the IR.
1418 (declare_return_variable): Likewise.
1420 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1423 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1425 2006-06-19 Mike Stump <mrs@apple.com>
1427 * tree.c (variably_modified_type_p): VM arguments don't make the
1430 2006-06-19 Richard Guenther <rguenther@suse.de>
1432 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1433 type conversions after folding.
1435 2006-06-19 Richard Guenther <rguenther@suse.de>
1437 * ggc-page.c (extra_order_size_tab): Add entries with
1438 size of struct function and basic_block.
1439 (size_lookup): Extend to cover sizes up to 511.
1440 (ggc_alloc_stat): Adjust user.
1441 (ggc_pch_count_object): Likewise.
1442 (ggc_pch_alloc_object): Likewise.
1443 (ggc_pch_write_object): Likewise.
1445 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1447 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1448 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1451 2006-06-19 Denis Chertykov <denisc@overta.ru>
1453 * config/avr/libgcc.S : Correct my wrong previous commit.
1455 2006-06-19 Roger Sayle <roger@eyesopen.com>
1458 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1459 have stripped a SUBREG from the shift count, so we may need to
1460 convert_to_mode back to the type's mode before calling make_tree.
1461 Use new_amount instead of amount to avoid expanding a tree twice.
1463 2006-06-19 Richard Guenther <rguenther@suse.de>
1466 * fold-const.c (operand_equal_p): Check if the argument types
1467 have the same precision before stripping NOPs.
1469 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1471 Fix PR tree-optimization/27341
1472 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1474 * tree-complex.c (pass_lower_complex): Update SMT usage.
1476 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1478 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1479 Add a new alternative to the constraint strings. Add move of
1480 operand 1 to 3 to the splitter definition.
1481 ("doloop_si_long"): Second contraint alternative removed.
1483 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1485 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1486 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1488 (AVR_HAVE_MOVW) Define.
1489 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1490 (ASM_SPEC): Add avr25.
1491 (LINK_SPEC): Add avr25.
1492 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1493 (base_arch_s): Add new member 'have_movw_lpmx'.
1494 (avr_arch_types): Init 'have_movw_lpmx'.
1495 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1496 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1497 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1498 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1499 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1501 (avr_file_start): Do not output '.arh' derective.
1502 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1503 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1504 * config/avr/avr.md (mcu_enhanced): Delete.
1505 (mcu_have_movw): Define.
1506 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1507 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1508 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1509 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1510 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1511 attiny861 and at86rf401 devices.
1513 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1515 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1518 2006-06-17 Karl Berry <karl@gnu.org>
1520 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1521 doc/gccint.texi, doc/install.texi (@dircategory): Use
1522 "Software development" instead of "Programming", following
1523 the Free Software Directory.
1525 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1527 * config/i386/i386.c (legitimate_tls_address)
1528 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1529 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1530 (*tls_dynamic_gnu2_combine_64): Likewise.
1532 2006-06-16 Richard Guenther <rguenther@suse.de>
1535 * fold-const.c (negate_expr_p): Do not introduce undefined
1536 overflow in negating INTEGER_CSTs.
1537 (fold_negate_expr): Rename from negate_expr. Revert last
1538 change for folding BIT_NOT_EXPR. Change semantics to
1539 return NULL_TREE for non-simplified negations. Do not
1540 strip type conversions and unify type handling.
1541 (negate_expr): New function, wrap around fold_negate_expr
1542 but ensure building a tree always. Strip type conversions
1543 here, fold to result type.
1544 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1546 2006-06-16 Roger Sayle <roger@eyesopen.com>
1549 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1550 that (would) return their results in stack registers.
1552 2006-06-16 Michael Matz <matz@suse.de>
1553 Richard Guenther <rguenther@suse.de>
1555 * fold-const.c (fold_truthop): Only return new tree node if
1556 we canonicalized something.
1558 2006-06-16 Richard Guenther <rguenther@suse.de>
1560 * function.h (enum function_frequency): Move declaration
1561 out of struct function.
1562 (struct function): Move bool fields and the enum to the bitfield
1563 section. Reorder elements to avoid padding. Remove unused
1564 fields left over from the RTL inliner removal.
1565 * function.c (free_after_compilation): Do not zero removed fields.
1566 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1567 (ipa-type-escape.o): Likewise.
1569 2006-06-16 Richard Guenther <rguenther@suse.de>
1571 * cgraph.h (struct cgraph_local_info): Turn bool elements
1573 (struct cgraph_node): Likewise.
1574 (struct cgraph_varpool_node): Likewise.
1576 2006-06-15 Richard Guenther <rguenther@suse.de>
1578 * fold-const.c (fold_truth_not_expr): Rename from
1579 invert_truthvalue. Give it fold_* semantics to avoid
1581 (invert_truthvalue): New function. Wrapper around
1582 fold_truth_not_expr.
1583 (optimize_minmax_comparison): Avoid creating garbage.
1584 (fold_unary): Use fold_truth_not_expr for folding
1586 (fold_ternary): Replace uses of invert_truthvalue with
1587 fold_truth_not_expr where applicable.
1588 * tree.h (fold_truth_not_expr): Prototype.
1590 2006-06-16 Richard Guenther <rguenther@suse.de>
1592 PR tree-optimization/27781
1593 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1594 * ipa-pure-const.c (target.h): Include.
1595 (analyze_function): Do not analyze functions that do not
1598 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1601 * tree-dfa.c (referenced_vars_dup_list): Remove.
1602 (find_referenced_vars): Remove assert.
1603 (referenced_var_check_and_insert): Replace dup list with assert.
1604 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1605 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1607 2006-06-15 Richard Guenther <rguenther@suse.de>
1609 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1610 extra unused identifiers if not dumping.
1611 (create_variable_info_for): Likewise.
1613 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1615 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1616 (derive_constant_upper_bound): Derive more precise upper bound in
1617 common cases. Return type changed to double_int.
1618 (record_estimate): Reflect the changed return type of
1619 derive_constant_upper_bound.
1620 * double-int.c (double_int_zext, double_int_sext): Fix.
1622 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1624 * configure.ac (CFLAGS): Get them from the toplevel or from the
1625 configure invocation.
1626 * configure: Regenerate.
1627 * Makefile.in (CFLAGS): Substitute value provided by configure.
1629 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1632 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1633 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1634 rather than calling add_stmt on it.
1635 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1637 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1640 * reload1.c (reload): Remove registers returned by update_eliminables
1641 from used_spill_regs.
1643 2006-06-13 DJ Delorie <dj@redhat.com>
1645 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1647 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1649 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1650 html__strip_dir, html__mkdir_p. Enhance install-html target.
1651 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1652 * configure: Regenerate.
1654 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1656 * fold-const.c (fold_cond_expr_with_comparison): Check for
1657 Objective-C++ as language in deciding COND_EXPR transformation.
1659 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1662 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1663 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1664 * config/sh/lib1funcs.h (SL, SL1): Define.
1665 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1666 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1667 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1668 (OBJS_Os_4_200): New variable.
1669 ($(T)libgcc-Os-4-200.a): Use it.
1670 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1671 when dividing 1 and/or by 0.
1673 2006-06-13 Roger Sayle <roger@eyesopen.com>
1675 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1676 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1677 * configure: Regenerate.
1679 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1681 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1682 for real instruction.
1684 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1687 * haifa-sched.c (check_cfg): Handle special case.
1689 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1692 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1693 Add debug_info parameter. Chain the vars to the BLOCK instead
1694 of the BIND_EXPR if debug info are requested for them.
1695 (pop_gimplify_context): Adjust for above change.
1696 (gimple_add_tmp_var): Likewise.
1697 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1699 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1700 (convert_local_reference): Likewise.
1701 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1702 (finalize_nesting_tree_1): Request that debug info be emitted
1703 for debug_var_chain.
1705 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1707 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1708 for PR target/27863.
1710 2006-06-13 Richard Guenther <rguenther@suse.de>
1713 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1715 2006-06-13 Richard Guenther <rguenther@suse.de>
1717 PR tree-optimization/27830
1718 * tree-inline.c (copy_body_r): For copying the operand
1719 of an ADDR_EXPR make sure to fold &* afterwards.
1721 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1723 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1724 lvalues in the fb_none case with side-effects.
1726 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1728 * tree-flow.h: Remove the prototype for
1729 compute_phi_arg_on_exit.
1730 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1731 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1734 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1736 * builtins.c (expand_builtin_return_addr): Only use
1737 frame_pointer_rtx when count == 0 and we are expanding
1738 __builtin_return_address.
1740 2006-06-12 Fred Fish <fnf@specifix.com>
1742 * config/mips/mips.c (mips_file_start): Create special section
1743 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1745 2006-06-11 Eric Christopher <echristo@apple.com>
1748 * stor-layout.c (place_field): Remove check for
1749 remaining_in_alignment when aligning at the end of a run.
1751 2006-06-11 Eric Christopher <echristo@apple.com>
1754 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1757 2006-06-11 Roger Sayle <roger@eyesopen.com>
1760 Revert incorrect fix for PR target/27158
1761 2006-05-08 Roger Sayle <roger@eyesopen.com>
1762 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1763 of a reg_equiv_constant if the result is a legitimate constant.
1765 2006-06-11 Roger Sayle <roger@eyesopen.com>
1768 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1769 extract a CONST_VECTOR element and interpret it as an integer.
1770 (vspltis_constant): Use const_vector_elt_as_int instead of the
1771 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1772 * config/rs6000/predicates.md (easy_vector_const): Consider
1773 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1775 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1778 * stor-layout.c (update_alignment_for_field): Don't add extra
1779 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1782 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1784 * config/mips/t-rtems: Add EL/EB multilib variants.
1786 2006-06-09 Mike Stump <mrs@apple.com>
1788 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1790 2006-06-09 David Daney <ddaney@avtrex.com>
1792 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1794 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1796 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1798 2006-06-09 Richard Guenther <rguenther@suse.de>
1800 PR tree-optimization/26998
1801 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1802 of signed types, only TYPE_MIN_VALUE is special, but for both,
1803 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1804 in this case, as is -fwrapv.
1806 2006-06-08 Mike Stump <mrs@apple.com>
1809 * config/darwin.c (darwin_asm_output_anchor): Disable
1810 -fsection-anchors on darwin for now.
1811 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1812 * rs6000/rs6000.c (optimization_options): Likewise.
1814 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1817 * config/i386/i386.c (classify_argument): Skip fields with invalid
1820 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1822 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1823 (cse_insn): Likewise for the stack_pointer_rtx.
1825 2006-06-08 Roger Sayle <roger@eyesopen.com>
1827 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1828 conditions from floating point comparisons.
1830 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1833 * expmed.c (struct alg_hash_entry): Fix type of field T
1834 to match synth_mult argument.
1835 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1837 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1840 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1843 2006-06-08 Richard Guenther <rguenther@suse.de>
1846 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1847 only, if overflow is defined and not trapping.
1848 (negate_expr): Likewise.
1850 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1852 PR tree-optimization/27872
1853 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1854 flag on the new exit edge of the unrolled loop.
1856 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1858 PR rtl-optimization/26449
1859 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1861 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1864 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1865 referenced_variables with matching DECL_UID's.
1866 (find_referenced_vars): Make sure duplicate list is empty to start.
1867 (referenced_var_p): Remove.
1868 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1869 Check if var is in the list, and add if needed. Update the duplicate
1870 list if a different var is in the list with the same DECL_UID.
1871 (add_referenced_var): Call routine to check and insert.
1872 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1873 * tree-flow.h (referenced_vars_dup_list): External declaration.
1875 2006-06-07 Fred Fish <fnf@specifix.com>
1877 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1880 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1883 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1884 the imaginary and real parts of a clobbered register.
1885 Emit insn to set the imaginary part.
1887 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1889 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1890 in lieu of unwind-dw2-fde.c.
1892 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1894 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1896 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1899 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1900 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1901 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1902 V4SImode temporaries and operations instead.
1904 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1906 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1909 2006-06-06 Mike Stump <mrs@apple.com>
1911 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1912 installing during build.
1914 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1916 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1918 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1919 * config/ia64/ia64.c (params.h): New header.
1920 (ia64_optimization_options): New function to adjust parameters.
1921 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1922 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1923 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1925 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1927 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1929 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1932 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1934 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1935 Victor Kaplansky <victork@il.ibm.com>
1937 PR tree-optimization/26360
1938 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1941 2006-06-04 Roger Sayle <roger@eyesopen.com>
1942 Andrew Pinski <pinskia@physics.uc.edu>
1945 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1946 for LABEL_DECL before calling DECL_WEAK.
1949 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1950 LABEL_DECL and PARM_DECL.
1952 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1956 * c-decl.c (grokdeclarator): Disallow variably modified types at
1957 file scope. Avoid marking shared array type of constant size as
1960 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1963 * c-common.c (fold_offsetof_1): Handle static members.
1965 2006-06-04 Eric Christopher <echristo@apple.com>
1967 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1968 (debug_rli): Output value for remaining_in_alignment.
1969 (update_alignment_for_field): Unconditionalize
1970 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1971 extra alignment code.
1972 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1973 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1974 * tree.h (record_layout_info_s): Remove prev_packed.
1975 * doc/extend.texi (ms_struct): Add documentation of format.
1977 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1979 * tree.h: Declare folding_initializer.
1980 * builtins.c (fold_builtin_constant_p): Give definite answer
1981 if folding inside an initializer.
1982 * fold-const.c: Define folding_initializer.
1983 (START_FOLD_INIT): Save and then set folding_initializer.
1984 (END_FOLD_INIT): Restore folding_initializer.
1986 2006-06-04 Richard Guenther <rguenther@suse.de>
1988 PR tree-optimization/27039
1989 * fold-const.c (fold_comparison): Handle pointer comparison
1990 again for all comparison codes. Compare offsets in signed
1992 (fold_binary): Move code from here.
1994 2006-06-03 Roger Sayle <roger@eyesopen.com>
1997 * config/i386/i386.c (construct_container): Split static issued_error
1998 flag into issued_sse_arg_error, issued_sse_ret_error and
1999 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2000 requires the use of x87 registers and the user explicitly
2001 specified the -mno-80387 command line option.
2003 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2005 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2006 HAVE_DECL_SIGALTSTACK.
2008 (segv_handler): Use MC_FLD.
2009 * configure.ac: Check for a sigaltstack declaration.
2010 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2011 * configure: Regenerate.
2012 * config.in: Regenerate.
2014 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2017 * Makefile.in (stmp-fixinc): Fix typo.
2019 2006-06-02 Roger Sayle <roger@eyesopen.com>
2021 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2022 are type correct. Clean-up.
2023 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2024 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2026 2006-06-01 DJ Delorie <dj@redhat.com>
2028 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2029 shift, as we've disabled the "switch" insn that needs it.
2031 2006-06-01 Per Bothner <bothner@bothner.com>
2033 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2034 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2035 * c-ppoutput.c (cb_define): Don't increment line 0.
2037 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2039 * doc/invoke.texi: Add cpu_type power6.
2040 * config.gcc: Add cpu_type power6.
2041 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2042 to power5+ with Altivec.
2043 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2044 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2046 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2048 * config/avr/avr.h (SET_ASM_OP): Define.
2050 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2052 * config/bfin/bfin.c: Fix comment typos.
2054 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2057 * doc/install.texi: Document --enable-bootstrap and
2058 --disable-bootstrap.
2060 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2062 * doc/install.texi: Document that InfoZIP can replace jar.
2064 2006-05-31 Roger Sayle <roger@eyesopen.com>
2066 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2067 isn't available, directly generate the simpler x87 patterns without
2068 the (use (const_int 0)).
2069 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2070 implementation isn't available.
2071 (*negdf2_1): Likewise.
2072 (*negxf2_1): XF mode negation is always done using the x87.
2073 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2075 2006-05-31 Roger Sayle <roger@eyesopen.com>
2077 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2078 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2080 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2082 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2084 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2085 * config/bfin/bfin.c (basic-block.h): Include.
2086 (struct machine_function): New.
2087 (bfin_init_machine_status): New.
2088 (override_options): Initialize init_machine_status.
2089 (bfin_hardware_loop): New.
2090 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2091 (DEF_VEC_P (loop_info)): New.
2092 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2093 (struct loop_info): New.
2094 (loop_info): New typedef.
2095 (struct loop_work): New.
2096 (loop_work): New typedef.
2097 (DEF_VEC_O (loop_work)): New.
2098 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2099 (bfin_dump_loops): New.
2100 (bfin_bb_in_loop): New.
2101 (bfin_scan_loop): New.
2102 (bfin_optimize_loop): New.
2103 (bfin_reorg_loops): New.
2104 (bfin_reorg): Use bfin_reorg_loops.
2105 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2107 (I_REGNO_P): Simplify.
2108 (DP_REGNO_P, DPREG_P): New macros.
2109 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2110 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2111 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2112 Add LT_REGS, LC_REGS, LB_REGS.
2113 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2115 (REGNO_REG_CLASS): Deal with loop registers.
2116 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2118 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2119 New constants for loop registers.
2120 (UNSPEC_LSETUP_END): New.
2121 (seq_insns): New define_attr. Set it for appropriate insns.
2122 (movsi_insn): Add alternatives for move from/to
2123 loop count registers.
2124 (doloop_end): New define_expand.
2125 (loop_end): New define_insn.
2126 (define_split for bad doloop_end): New.
2127 (lsetup_with_autoinit): New define_insn.
2128 (lsetup_without_autoinit): New define_insn.
2129 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2130 * config/bfin/predicates.md (lc_register_operand): New.
2131 (lt_register_operand): New.
2132 (lb_register_operand): New.
2133 (nondp_register_operand): New.
2134 (nondp_reg_or_memory_operand): New.
2135 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2137 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2139 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2140 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2142 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2144 * Makefile.in (CATALOGS): Add po/ prefix.
2145 * configure: Regenerated.
2147 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2150 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2151 a shift operand before calling shift_op. Avoid redundant call of
2154 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2155 DJ Delorie <dj@redhat.com>
2157 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2158 we're inserting is a singlt-bit constant.
2160 2006-05-30 Roger Sayle <roger@eyesopen.com>
2162 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2163 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2165 2006-05-30 Roger Sayle <roger@eyesopen.com>
2167 PR tree-optimization/23452
2168 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2169 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2170 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2171 complex values and with -ffast-math for FP complex values.
2173 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2175 * c-common.h: Remove the prototype for yyparse.
2176 * rtl.h: Remove the prototype for init_loop.
2178 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2180 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2183 2006-05-30 Roger Sayle <roger@eyesopen.com>
2185 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2187 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2188 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2190 2006-05-30 Dirk Mueller <dmueller@suse.de>
2193 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2194 for CONSTANT_CLASS_P expresisons.
2196 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2199 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2201 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2203 PR tree-optimization/27779
2204 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2205 initial_condition instead of CHREC_LEFT.
2207 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2209 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2210 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2211 Make prototypes ISO C90.
2213 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2214 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2216 * see.c (see_analyze_one_def): Correct check.
2217 (see_get_extension_data): Check if extension is parallel.
2218 (see_get_extension_reg): Likewise.
2220 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2223 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2224 into register for (code == GTU).
2226 2006-05-29 Roger Sayle <roger@eyesopen.com>
2228 PR tree-optimization/24964
2229 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2230 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2231 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2232 abs(x)*abs(x) as x*x for scalar floating point modes.
2234 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2237 * lambda-code.c (perfect_nestify): Don't copy statements
2238 in the inner loop: move them to the inner loop header.
2240 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2243 * c-tree.texi: Document OpenMP directives and clauses.
2245 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2247 * varasm.c (globalize_decl): Fix indentation.
2249 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2252 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2253 pass_fre, pass_store_ccp, pass_copy_prop,
2254 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2255 pass_return_slot, pass_object_size, pass_lim,
2256 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2257 pass_loop_prefetch and pass_stdarg.
2259 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2261 * config/bfin/bfin.opt (mfdpic): New option.
2262 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2263 (EXTRA_MULTILIB_PARTS): Likewise.
2264 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2265 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2267 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2268 (CRT_CALL_STATIC_FUNCTION): New.
2269 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2271 (CRT_CALL_STATIC_FUNCTION): New.
2272 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2274 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2275 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2276 (initialize_trampoline): Changed to handle FD-PIC code generation.
2277 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2278 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2279 (override_options): Disallow -mid-shared-library -mfdpic combination.
2280 Can't do unaligned ops if FD-PIC.
2281 Turn off flag_pic if trying to generate non-id-shared-library
2282 non-fdpic code, since it's not supported.
2283 (bfin_assemble_integer): New function.
2284 (TARGET_ASM_INTEGER): Define.
2285 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2287 * config/bfin/crtn.s: Restore them.
2288 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2290 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2291 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2292 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2293 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2294 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2296 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2297 FDPIC_REGS and FDPIC_FPTR_REGS.
2298 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2299 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2300 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2301 (load_funcdescsi): New pattern.
2302 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2303 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2304 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2306 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2308 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2311 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2313 * tree-flow.h: Remove the prototype for add_type_alias.
2314 * tree-ssa-alias.c (add_type_alias): Remove.
2316 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2318 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2319 config/fr30/fr30.md, config/i386/i386-interix.h,
2320 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2321 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2322 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2323 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2324 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2325 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2326 Follow spelling conventions.
2327 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2328 Follow spelling conventions.
2330 2006-05-27 Richard Guenther <rguenther@suse.de>
2333 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2334 to produce a constant of value 1 of generic type.
2336 2006-05-27 Dirk Mueller <dmueller@suse.de>
2338 * cgraphunit.c (decide_is_function_needed): Fix wrong
2341 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2343 PR rtl-optimization/27661
2344 * reload.c (find_reloads): When reloading a VOIDmode constant
2345 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2346 use Pmode as mode of the reload register.
2348 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2350 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2351 is enabled at -O and above.
2353 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2356 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2359 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2362 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2363 for anonymous variables explicitly declared by front ends.
2365 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2367 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2368 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2369 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2370 ref-all pointers, run a finalization pass for them.
2371 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2372 (finalize_ref_all_pointers): New function.
2373 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2374 regular pointer type to a ref-all pointer type.
2375 (get_tmt_for): Return the special memory tag for ref-all pointers.
2377 2006-05-25 Richard Guenther <rguenther@suse.de>
2380 * fold-const.c (fold_binary): Do not look at the stripped
2381 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2383 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2385 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2386 for LT and GT if the computed range is effectively empty.
2388 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2391 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2392 mips_quad_format formats instead of ieee_single_format,
2393 ieee_double_format and ieee_quad_format formats, respectively.
2395 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2397 PR tree-optimization/27639
2398 PR tree-optimization/26719
2399 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2400 call to scev_probably_wraps_p.
2401 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2402 used_in_pointer_arithmetic_p, convert_step): Removed.
2403 (nowrap_type_p): New function.
2404 (scev_probably_wraps_p): Rewritten.
2405 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2406 chrec_convert if chrec_convert_aggressive might have been used.
2407 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2408 scev_direction): New functions.
2409 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2410 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2411 instead of convert_step.
2412 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2413 (convert_step): Declaration removed.
2414 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2416 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2418 * df-core.c: Added to header comments.
2419 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2420 df_ur_bb_info, df_urec_bb_info): Added comments.
2421 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2422 urec, ri problems): Fixed header comments.
2423 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2424 code from df_rd_transfer_function.
2426 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2428 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2429 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2430 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2432 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2434 * expr.c (undefined_operand_subword_p): New.
2435 (emit_move_multi_word): Do not generate move from undefined bits
2436 of a paradoxical subreg.
2438 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2440 PR rtl-optimization/27736
2441 * combine.c (replaced_rhs_value): New variable.
2442 (combine_instructions): Set it.
2443 (distribute_notes): When distributing a note in replaced_rhs_insn,
2444 check whether the value was used in replaced_rhs_value.
2446 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2449 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2450 add_referenced_var instead of add_referenced_tmp_var.
2451 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2452 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2454 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2455 tree_optimize_tail_calls_1): Use add_referenced_var.
2456 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2457 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2458 Use add_referenced_var.
2459 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2460 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2461 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2462 Use add_referenced_var.
2463 * tree-dfa.c (struct walk_state): Remove.
2464 (find_referenced_vars): Remove walk state and vars_found hash table.
2465 (make_rename_temp): Use add_referenced_var.
2466 (find_vars_r): Pass less parameters to add_referenced_var.
2467 (referenced_var_p): New. Is var in referenced_var hash table.
2468 (referenced_var_insert): Assert var isn't already in hash table.
2469 (add_referenced_var): Don't need walk_state parameter. Add var if it
2470 isn't already in the hash table.
2471 (add_referenced_tmp_var): Remove.
2472 (find_new_referenced_vars_1): Use add_referenced_var.
2473 * tree-ssa-pre.c (create_expression_by_pieces,
2474 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2475 Use add_referenced_var.
2476 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2477 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2478 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2480 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2481 vect_create_data_ref_ptr, vect_create_destination_var,
2482 vect_init_vector, vect_build_loop_niters,
2483 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2484 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2485 Use add_referenced_var.
2486 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2487 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2488 (add_referenced_var): Add prototype.
2489 * tree-ssa-structalias.c (get_constraint_for,
2490 intra_create_variable_infos): Use add_referenced_var.
2492 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2494 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2495 big-endian paradoxical subregs.
2496 * var-tracking.c (struct micro_operation_def): Document that,
2497 for modify micro operations, insn is the subsequent instruction.
2498 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2499 (var_reg_set, var_mem_set): ... new functions.
2500 (add_stores): Record subsequent insn.
2501 (compute_bb_dataflow): Use new functions for MO_USE.
2502 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2503 notes after the insn, and modify notes before the insn known
2504 to be the subsequent one.
2505 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2507 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2510 * config/i386/i386.c (ix86_expand_builtin): Use
2511 gen_sse3_monitor64 for TARGET_64BIT.
2513 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2515 PR rtl-optimization/26375
2516 PR rtl-optimization/26855
2517 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2519 (df_ru_bb_local_compute): Reversed statements and removed bogus
2520 comment explaining why they should be in wrong order.
2521 (df_ru_dump, df_rd_dump): Enhanced debug info.
2522 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2524 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2525 reaching uses and fixed space problem.
2527 2006-05-23 Jan Hubicka <jh@suse.cz>
2529 * cgraphunit.c (decide_is_function_needed): Also nested functions
2530 and functions declared inline can be optimized out at -O0.
2532 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2534 * doc/install.texi (Configuration): Remove reference to CrossGCC
2538 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2541 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2542 ix86_compare_emitted is non-NULL.
2544 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2547 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2550 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2552 PR rtl-optimization/25514
2553 * combine.c (replaced_rhs_insn): New variable.
2554 (combine_instructions): Set replaced_rhs_insn when trying to replace
2555 a SET_SRC with a REG_EQUAL note.
2556 (distribute_notes): Use replaced_rhs_insn when determining the live
2557 range of a REG_DEAD register.
2559 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2560 Anatoly Sokolov <aesok@post.ru>
2562 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2563 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2564 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2565 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2566 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2567 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2568 at90usb647, at90usb1286 and at90usb1287 devices.
2569 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2570 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2572 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2574 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2576 2006-05-22 Richard Guenther <rguenther@suse.de>
2579 2006-01-31 Richard Guenther <rguenther@suse.de>
2580 Paolo Bonzini <bonzini@gnu.org>
2582 * doc/install.texi (--disable-libgcc-math): Document.
2584 2006-05-22 Richard Guenther <rguenther@suse.de>
2587 2006-01-31 Richard Guenther <rguenther@suse.de>
2589 * doc/invoke.texi (-msselibm): Document.
2590 * target.h (expand_library_builtin): New target hook.
2591 * builtins.c (expand_builtin): Use expand_library_builtin.
2592 (default_expand_library_builtin): New function.
2593 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2594 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2595 (link_gcc_math_spec): Declare.
2596 (static_specs): Add link_gcc_math_spec.
2597 * expr.h (default_expand_library_builtin): Declare.
2598 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2599 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2600 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2601 * config/i386/i386.opt (msselibm): New target option.
2602 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2603 (ix86_init_sse_abi_builtins): New function.
2604 (ix86_expand_library_builtin): Likewise.
2605 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2606 (override_options): Handle error conditions wrt -msselibm.
2607 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2608 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2609 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2612 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2615 * c-common.c (self_promoting_args_p): Skip erroneous args.
2618 * c-decl.c (finish_struct): Skip erroneous fields.
2620 2006-05-22 Nick Clifton <nickc@redhat.com>
2622 * config/cris/cris.opt (march): Remove VarExists attribute.
2623 (max-stackframe=): Likewise.
2625 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2627 * doc/rtl.texi: Fix a typo.
2628 * see.c: Fix comment typos.
2630 * tree-ssa-structalias.h (alias_info): Remove num_references.
2632 2006-05-21 Mike Stump <mrs@apple.com>
2634 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2636 (darwin_pragma_options): Use BAD instead.
2637 (darwin_pragma_unused): Likewise.
2638 (darwin_pragma_ms_struct): Likewise.
2640 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2642 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2644 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2646 PR rtl-optimization/27671
2647 * simplify-rtx.c (simplify_relational_operation_1): Fix
2648 simplifications of (eq/ne (xor x y) y) and
2649 (eq/ne (xor x y) x).
2651 PR tree-optimization/26622.
2652 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2655 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2657 * tree-cfg.c: Prune whitespace.
2658 (debug_tree_cfg): Point to correct header containing the
2661 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2664 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2666 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2669 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2670 or sorry count is non zero.
2672 2006-05-20 Andreas Schwab <schwab@suse.de>
2674 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2676 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2677 Kenneth Zadeck <zadeck@naturalbridge.com>
2679 PR rtl-optimization/26855
2681 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2683 (df_scan_alloc): Added code to properly handle multiword hard
2684 registers and add all_blocks parameter.
2685 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2686 code to properly handle multiword hard registers.
2687 (df_rescan_blocks): Added code to remove deleted blocks from
2689 (df_ref_create_structure, df_ref_record): Added code to properly
2691 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2692 and set DF_REF_PARTIAL.
2693 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2694 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2695 (df_scan_add_problem): Added flags parameter.
2696 (df_ref_create_structure): Changed switching structure.
2697 (df_bb_refs_record): Fixed case where duplicate artificial refs
2698 were created. Changed location of flags.
2699 (df_record_entry_block_defs): Added code to make stack pointer
2700 live in entry block. Refined cases where frame pointer is needed.
2701 Changed location of flags.
2702 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2703 (df_set_state): Removed function.
2704 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2705 df_insn_create_insn_record, df_insn_refs_delete,
2706 df_ref_create_structure): Formatting changes.
2707 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2708 df_delete_basic_block): New function.
2709 (df_init): Changed location of flags.
2710 (df_add_problem): Added flags parameter and the way flags are
2712 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2713 debug_df_chain): Improved debugging output.
2714 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2715 (df_refs_chain_dump): Removed df parameter.
2716 (df_iterative_dataflow): Added consistency check.
2717 (df_prune_to_subcfg): Made public.
2718 (df_analyze_problem): Added blocks_to_init parameter and made
2720 (df_ref_record, df_bb_refs_record, df_mark_reg,
2721 df_record_exit_block_uses): Whitespace changes.
2722 (df_dump): Whitespace changes.
2723 * df.h: Some reordering to remove forward references.
2724 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2725 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2726 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2727 (dataflow.flags): New field.
2728 (df.flag): Deleted field.
2729 (df_alloc_function): Added additional bitmap parameter.
2730 (df_dependent_problem_function): New type.
2731 (df_problem.changeable_flags): New field.
2732 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2733 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2734 (df_mw_hardreg): New struct.
2735 (DF_INSN_UID_MWS): New macro.
2736 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2738 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2739 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2740 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2741 (df_set_state): Removed function.
2742 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2743 * df-problems.c (df_chain_dump): Removed df parameter.
2744 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2745 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2747 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2748 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2749 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2750 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2751 DF_REF_MUST_CLOBBER cases.
2752 (df_ru_bb_local_compute_process_def,
2753 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2754 df_lr_bb_local_compute, df_ur_bb_local_compute,
2755 df_chain_create_bb): Made subreg aware.
2756 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2757 df_lr_bb_local_compute, df_lr_bb_local_compute,
2758 df_chain_create_bb): Cleanup to use proper macros.
2759 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2760 code to fixup bitvectors.
2761 (df_ri_alloc): Cleared lifetime.
2762 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2763 df_create_unused_note): New function.
2764 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2765 REG_DEAD and REG_UNUSED notes as well as register information.
2766 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2767 df_chains_dump): Fixed crash if problem was never run.
2768 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2769 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2770 df_ri_add_problem): Processes flags in uniform manner.
2771 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2772 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2773 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2774 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2775 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2776 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2777 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2778 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2779 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2780 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2781 * see.c (see_initialize_data): Ditto.
2782 * final.c (rest_of_clean_state) Added regstack_completed.
2783 * rtl.h (regstack_completed): Ditto.
2784 * reg-stack.c (regstack_completed): Ditto.
2786 2006-05-19 Mike Stump <mrs@apple.com>
2788 * c-tree.h (default_conversion): Remove.
2789 * c-common.h (default_conversion): Add.
2791 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2793 * tree-vrp.c (valid_value_p): New function.
2794 (adjust_range_with_scev): Fail if the value of bound is not
2797 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2799 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2800 (mips_fallback_frame_state): Use syscall numbers to determine
2801 the appropriate li instruction for the current ABI. Only use
2802 __NR_sigreturn for o32.
2804 2006-05-19 Nicolas Setton <setton@adacore.com>
2806 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2807 * langhooks.c (lhd_dwarf_name): New function.
2808 * langhooks-def.h (lhd_dwarf_name): Declare.
2809 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2810 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2811 * ada/misc.c (gnat_dwarf_name): New function.
2812 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2814 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2816 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2818 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2819 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2820 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2821 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2822 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2823 determine the size of Wtype, etc.
2824 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2825 (swfloatfuncs): New variable.
2826 (dwfloatfuncs): Likewise.
2827 (lib2funcs): Remove floating-point conversion functions from
2828 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2829 the set of conversion routines needed. Allow entries to specify
2830 an object name, filename and word size. Update users accordingly.
2831 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2832 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2836 2006-02-08 Roger Sayle <roger@eyesopen.com>
2839 * config/fixtfdi.c: New libgcc source file.
2840 * config/fixunstfdi.c: New source file.
2841 * config/floatditf.c: New source file.
2842 * config/floatunditf.c: New souce file.
2843 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2844 files above instead of config/mips/_tilib.c.
2845 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2847 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2849 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2850 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2852 2006-05-18 Mike Stump <mrs@apple.com>
2854 Fix up vla, vm and [*] sematics.
2860 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2861 (c_vla_unspec_p): Add.
2862 (c_vla_type_p): Add.
2863 * c-decl.c (struct c_scope): Add had_vla_unspec.
2864 (build_array_declarator): Add support for [*].
2865 (grokdeclarator): Likewise.
2866 (grokparms): Likewise.
2867 (get_parm_info): Likewise.
2868 * c-objc-common.c (c_vla_unspec_p): Likewise.
2869 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2870 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2871 typeof when argument is a variably modified type not inside sizeof or alignof.
2872 (c_parser_direct_declarator_inner): Propagate errors.
2873 (c_parser_sizeof_expression): Add support for [*].
2874 (c_parser_parms_declarator): Initialize had_vla_unspec.
2875 (c_parser_parms_list_declarator): Likewise.
2876 * c-typeck.c (c_vla_type_p): Add.
2877 (composite_type): Add support for vla compositing.
2878 (comptypes_internal): Add support for vla compatibility.
2879 (c_expr_sizeof_expr): Evaluate vla arguments.
2880 * tree.c (variably_modified_type_p): Update comment for [*].
2882 2006-05-18 Michael Matz <matz@suse.de>
2885 * config.host: Make assignments to host_xmake_file cumulative.
2886 * config.host (*-darwin*): Test $host, not $target.
2888 2006-05-12 Stuart Hastings <stuart@apple.com>
2890 * config/i386/i386.opt (-mstackrealign): New flag.
2891 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2892 (ix86_handle_cconv_attribute): Emit error when
2893 force_align_arg_pointer attribute collides with too many regparms.
2894 (ix86_function_regparm): Limit regparms when used with
2895 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2896 Support stack-realigning prologue in non-main functions. Emit
2897 warning for nested functions under -mstackrealign, emit error for
2898 nested functions with force_align_arg_pointer attribute.
2899 * doc/extend.texi (force_align_arg_pointer): Document it.
2900 * doc/invoke.texi (-mstackrealign): Document it.
2902 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2904 PR rtl-optimization/27477
2905 * combine.c (try_combine): Don't split a parallel consisting
2906 of two sets into two individual sets if both sets reference
2909 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2911 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2912 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2914 * doc/options.texi (VarExists): Updated.
2916 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2918 * unwind-dw2.c: Add declarations for uw_update_context and
2920 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2921 detected, advance frame state and context once to skip over stub.
2923 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2927 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2928 Call rewrite_into_loop_closed_ssa only when something changed.
2929 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2930 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2931 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2932 Test for perfect_nest_p here. Fix formating.
2933 (replace_uses_equiv_to_x_with_y): Fix formating.
2934 (stmt_uses_op): Removed.
2935 (can_convert_to_perfect_nest): Removed loopivs parameter.
2936 Complete the test by checking the scalar dependences.
2937 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2940 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2943 From Dan Kegel <dank@kegel.com>:
2944 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2946 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2948 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2949 if the element type is variably modified without recursing.
2951 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2954 * tree-loop-linear.c (try_interchange_loops): Test for
2955 no data dependences.
2957 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2959 PR tree-optimization/27548
2960 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2961 range of ssa names that appear on abnormal edges.
2962 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2963 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2965 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2968 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2970 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2973 * tree.h (OMP_PARALLEL_COMBINED): Define.
2974 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2975 (new_omp_context): Add is_combined_parallel argument.
2976 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2977 new_omp_context caller.
2978 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2979 Adjust gimplify_scan_omp_clauses callers.
2980 (omp_is_private): Issue errors if iteration variable is firstprivate
2981 or reduction in the current context.
2982 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2983 on combined parallel workshare constructs.
2985 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2987 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2988 (gcc-options.o): New rule.
2990 * optc-gen.awk: Protect variables for gcc-options.o with
2991 #ifdef GCC_DRIVER/#endif.
2993 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2995 Fix PR tree-optimization/27373
2996 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2997 (forward_propagate_addr_expr): Update call.
2999 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3001 * doc/options.texi: Move the Negative option.
3003 2006-05-16 Richard Guenther <rguenther@suse.de>
3005 PR tree-optimization/22303
3006 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3008 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3009 ccp_fold did not simplify the statement.
3011 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3014 * Makefile.in (GCC_OBJS): New.
3015 (OBJS-common): Add opts-common.o.
3016 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3017 (cpp$(exeext)): Likewise.
3018 (gcc.o): Also depend on opts.h.
3019 (opts-common.o): New.
3021 * common.opt (gcoff): Add Negative(gdwarf-2).
3022 (gdwarf-2): Add Negative(gstabs).
3023 (gstabs): Add Negative(gstabs+).
3024 (gstabs+): Add Negative(gvms).
3025 (gvms): Add Negative(gxcoff).
3026 (gxcoff): Add Negative(gxcoff+).
3027 (gxcoff+): Add Negative(gcoff).
3028 * config/i386/i386.opt (m32): Add Negative(m64).
3029 (m64): Add Negative(m32).
3031 * doc/options.texi: Document the Negative option.
3033 * gcc.c: Include "opts.h".
3034 (main): Call prune_options after expandargv.
3036 * optc-gen.awk: Generate common declarations for all flag
3037 variables in options.c. Output the neg_index field.
3039 * opts.c (find_opt): Moved to ...
3040 * opts-common.c: Here. New file.
3042 * opts.h (cl_option): Add a neg_index field.
3044 (prune_options): Likewise.
3046 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3049 * omp-low.c (expand_omp_parallel): Don't assert
3050 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3051 instead search for it.
3054 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3057 2006-05-16 Andreas Schwab <schwab@suse.de>
3059 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3062 2006-05-15 Roger Sayle <roger@eyesopen.com>
3065 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3066 integer constants other than zero are only legitimate on TARGET_64BIT.
3067 <CONST_VECTOR> Only zero vectors are legitimate.
3068 (ix86_cannot_force_const_mem): Integral and vector constants can
3069 always be put in the constant pool.
3071 2006-05-16 DJ Delorie <dj@redhat.com>
3073 * crtstuff.c (__dso_handle): Set section from
3074 TARGET_LBIGCC_SDATA_SECTION if defined.
3075 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3076 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3078 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3081 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3084 2006-05-16 Ben Elliston <bje@au.ibm.com>
3086 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3088 2006-05-15 Per Bothner <per@bothner.com>
3090 * tree.c: (last_annotated_node): Use source_locus typedef.
3091 This permits bootstrapping with --enable-mapped-location.
3093 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3095 PR tree-optimization/26830
3096 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3097 (info_for_ssa_name, current_info_for_ssa_name_age,
3098 blocks_to_update): New variables.
3099 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3100 (clear_ssa_name_info, initialize_flags_in_bb,
3101 mark_block_for_update): New functions.
3102 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3103 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3104 prepare_def_site_for): Use mark_block_for_update.
3105 (mark_def_interesting): Assert that the processed block is marked in
3106 blocks_to_update. Do not take blocks argument.
3107 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3109 (rewrite_update_init_block, rewrite_update_stmt): Only process
3110 blocks with statements to rewrite.
3111 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3112 (update_ssa): Initialize and free blocks_to_update. Do not
3113 clear flags on statements. Do not use blocks bitmap.
3114 * tree.h (SSA_NAME_AUX): Removed.
3115 (struct tree_ssa_name): Removed aux field.
3116 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3118 2006-05-15 Richard Guenther <rguenther@suse.de>
3120 PR tree-optimization/27603
3121 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3122 Do computations in original type.
3124 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3126 * see.c: Code style changes such as redundant paranthesis,
3127 redundant intialization of local variables etc.
3128 (see_main): Declared now as static.
3129 * doc/invoke.texi: Update that -fsee is not enabled by
3132 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3134 * omp-low.c (check_omp_nesting_restrictions): New function.
3135 (scan_omp_1): Call it.
3138 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3139 construct, return *VAR.
3141 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3143 PR rtl-optimization/27406
3144 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3147 2006-05-14 Roger Sayle <roger@eyesopen.com>
3149 PR rtl-optimization/27538
3150 * combine.c (expand_compound_operation): Call gen_lowpart
3151 before calling simplify_shift_const.
3153 2006-05-14 Roger Sayle <roger@eyesopen.com>
3155 PR rtl-optimization/22563
3156 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3157 a fixed width bitfield, always force the intermediates into psuedos.
3159 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3162 * mkconfig.sh: Use operator = instead of == for test.
3164 2006-05-13 Nick Clifton <nickc@redhat.com>
3166 * dwarf2out.c (dbx_reg_number): Check return value from
3167 LEAF_REG_REMAP and only use it if it is valid.
3168 (multiple_reg_loc_descriptor): Likewise.
3170 2006-05-13 Richard Guenther <rguenther@suse.de>
3172 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3175 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3177 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3178 information attached to non-INSNs such as NOTEs.
3179 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3181 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3183 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3185 * config/s390/s390.md: Adjust comment describing On constraint.
3187 2006-05-11 Jan Hubicka <jh@suse.cz>
3189 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3190 to be output at -O0.
3192 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3195 * fold-const.c (size_binop): Move sanity check for arguments to
3196 the beginning of the function.
3199 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3202 2006-05-11 Richard Guenther <rguenther@suse.de>
3205 * fold-const.c (fold_unary): Handle intermediate conversion
3206 to a pointer type like intermediate conversion to an integer
3207 type in folding of (T1)(T2)var to var.
3208 Match the code to the comment in the final conversion for
3209 (T1)(T2)var to (T1)var regarding to type precision. Rather
3210 than disallow T1 being of pointer type, assert that both T1
3211 and var are of pointer type or not. Make sure not to fall
3212 over the frontends lazyness wrt array to pointer decay though.
3214 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3216 * arm.c (arm_struct_value_rtx): Delete.
3217 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3218 (arm_init_cumulative_args): Always initialize nregs to zero.
3220 2006-05-10 Richard Guenther <rguenther@suse.de>
3222 PR tree-optimization/27532
3223 * tree-object-size.c (plus_expr_object_size): Fix typo.
3225 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3228 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3229 ashrdi_const, ashrdi3): Use a scratch register.
3231 2006-05-10 Richard Guenther <rguenther@suse.de>
3233 PR tree-optimization/27302
3234 * fold-const.c (operand_equal_p): For two comparisons,
3235 try comparison of one comparison code swapped if that yields
3238 2006-05-10 Ben Elliston <bje@au.ibm.com>
3240 * tree-pretty-print.c (pretty_print_string): No need to handle
3241 '\0' as a special character.
3243 * tree.h: Include "hashtab.h".
3244 (iterative_hash_expr): Use hashval_t in its prototype.
3245 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3247 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3250 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3251 (hppa*64*-*-hpux11*): Ditto.
3252 (hppa[12]*-*-hpux11*): Ditto.
3254 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3257 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3259 2006-05-09 Michael Matz <matz@suse.de>
3261 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3262 host_extra_gcc_objs and host_xmake_file.
3263 (<*-*-linux*>): Don't overwrite host_xmake_file.
3264 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3265 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3266 (host_detect_local_cpu): Declare.
3267 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3268 * config/i386/i386.c (override_options): Handle -mtune=native
3270 * config/i386/x-i386: New file.
3271 * config/i386/driver-i386.c: New file.
3272 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3275 2006-05-09 Dirk Mueller <dmueller@suse.de>
3276 Richard Guenther <rguenther@suse.de>
3279 * fold-const.c (fold_read_from_constant_string): Relax check
3280 for matching types to matching modes.
3282 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3284 PR rtl-optimization/27335
3285 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3288 2006-05-08 Chao-ying Fu <fu@mips.com>
3289 Richard Sandiford <richard@codesourcery.com>
3291 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3292 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3293 * config/mips/mips.md (UNSPEC_SCC): New constant.
3294 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3295 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3296 (mips_emit_compare): Use it.
3297 (mips_expand_vcondv2sf): New function.
3299 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3301 Fix PR tree-optimization/27093
3302 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3303 renaming when they become not-used_alone.
3305 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3307 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3308 relocation and relocation stubs.
3310 2006-05-08 Eric Christopher <echristo@apple.com>
3312 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3315 2006-05-08 Jan Hubicka <jh@suse.cz>
3318 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3319 unused static functions are needed.
3321 2006-05-08 Roger Sayle <roger@eyesopen.com>
3324 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3325 of a reg_equiv_constant if the result is a legitimate constant.
3327 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3330 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3331 standard 80387 constants, raise the cost to prevent
3332 compress_float_constant() to generate load from memory.
3334 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3336 * config/arm/constraints.md (c): Fix a typo.
3338 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3341 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3344 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3346 (_mm_mwait): Likewise.
3348 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3350 (sse3_monitor): Make it 32bit only.
3351 (sse3_monitor64): New. 64bit monitor.
3353 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3356 * config/i386/i386.c (classify_argument): Skip fields with invalid
3359 2006-05-07 Richard Guenther <rguenther@suse.de>
3361 PR tree-optimization/27409
3362 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3363 Do not try to find zero-sized subvars.
3365 2006-05-07 Richard Guenther <rguenther@suse.de>
3367 PR tree-optimization/27136
3368 * tree-ssa-loop-niter.c (get_val_for): Correct function
3369 comment, assert requirements.
3370 (loop_niter_by_eval): Stop processing if the iterated
3371 value did not simplify.
3373 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3375 * opts.c (flag_see): remove its setting at -O3.
3377 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3379 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3380 * arm/constraints.md: New file.
3381 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3382 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3383 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3384 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3385 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3386 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3387 * arm.md: Include constraints.md.
3388 (thumb_movsi_insn): Use satisfies_constraint_J.
3389 (movhi, movqi): Use satisfies_constraint_I.
3391 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3393 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3394 for atmeg a645 device.
3396 2006-05-06 Richard Guenther <rguenther@suse.de>
3398 PR tree-optimization/27151
3399 * tree-vect-transform.c (vectorizable_condition): Punt on
3400 values that have a different type than the condition.
3402 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3405 * c-parser.c (c_parser_cast_expression): Only insert casts into
3406 hash table if pointer.
3407 * function.c (used_types_insert_helper): Rename from
3409 (used_types_insert): Call used_types_insert_helper.
3410 * function.h (used_types_insert): Accept only one argument.
3412 2006-05-05 David Edelsohn <edesohn@gnu.org>
3414 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3415 scratch with output modifier.
3417 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3420 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3421 with output modifier.
3423 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3426 * config/mips/mips.c (mips_symbolic_address_p): Return true
3427 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3428 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3430 2006-05-04 Richard Guenther <rguenther@suse.de>
3432 PR tree-optimization/14287
3433 PR tree-optimization/14844
3434 PR tree-optimization/19792
3435 PR tree-optimization/21608
3436 PR tree-optimization/27090
3437 * tree-ssa-pre.c (try_combine_conversion): New function.
3438 (compute_avail): After constructing the value-handle
3439 expression, use try_combine_conversion to combine NOP_EXPRs
3440 with previous value-handle expressions and use the result if it
3443 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3445 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3447 2006-05-04 Jan Hubicka <jh@suse.cz>
3450 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3452 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3454 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3455 that this only matches CONST_INTs. All users changed to VOIDmode
3458 * config/bfin/bfin.c: Include "optabs.h".
3459 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3461 (enum bfin_builtins): Add a number of fractional and vector builtins.
3462 (bfin_init_builtins): Likewise.
3463 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3464 (safe_vector_operand, bfin_expand_binop_builtin,
3465 bfin_expand_unop_builtin): New functions.
3466 (bfin_expand_builtin): Handle the new builtins.
3467 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3470 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3473 * Makefile.in (OBJS-common): Add see.o.
3474 (see.o): Add dependencies.
3475 * common.opt (fsee): New flag for the see optimization was added.
3476 * opts.c (flag_see): Initialized.
3477 * passes.c (init_optimization_passes, pass_see): New pass.
3478 * rtl.h (see_main): Declaration as extern.
3479 * timevar.def (TV_SEE): New.
3480 * tree-pass.h (pass_see): Declaration as extern.
3481 * invoke.texi (-fsee): Document.
3482 * recog.c (validate_simplify_insn): New function.
3483 * recog.h (validate_simplify_insn): Declaration as extern.
3484 * df-problems.c (df_chain_dump): Check for NULL.
3486 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3487 Daniel Berlin <dberlin@dberlin.org>
3489 * cfgrtl.c (insert_insn_bb_end_new): New function.
3490 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3492 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3494 * df.h (struct web_entry): Moved from web.c.
3495 (union_defs): Declaration as extern.
3496 (unionfind_root): Likewise.
3497 (unionfind_union): Likewise.
3498 * web.c (struct web_entry): Moved to df.h.
3499 (unionfind_root): Remove static declaration.
3500 (unionfind_union): Likewise.
3501 (union_defs): Likewise and generalize to use callback function.
3502 (web_main): Update arguments for union_defs function call.
3504 2006-05-04 Richard Guenther <rguenther@suse.de>
3506 PR tree-optimization/26447
3507 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3508 produce SSA_NAME copies before the store stmt to avoid
3509 breaking exception handling.
3511 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3514 * gimplify.c (omp_is_private): If var is shared in some outer context,
3515 return false instead of true. Stop searching on parallel context
3518 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3521 * coverage.c: Use get_gcov_unsigned_t() instead of
3522 unsigned_type_node all over.
3524 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3526 PR tree-optimization/27381
3527 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3528 maintain the same immediate_use links.
3529 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3530 node rather than segfaulting.
3532 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3535 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3536 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3537 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3539 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3541 Fix PR tree-optimization/26626
3542 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3544 * tree-ssa-operands.c (access_can_touch_variable): Allow
3545 typecasting through union pointers.
3547 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3550 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3551 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3552 to find if var will be a global variable even in the nested context.
3553 (omp_copy_decl): Only check for global variable at the end, it might
3554 be overridden in outer contexts.
3555 (scan_sharing_clauses): For global variables don't create a field.
3556 (lower_rec_input_clauses): Do nothing for global shared variables.
3557 Emit a barrier at the end of ILIST if there were any decls in both
3558 firstprivate and lastprivate clauses.
3559 (lower_send_clauses): Do nothing for global variables except for
3562 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3564 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3565 of the correct signedness is returned.
3567 2006-05-02 Jeff Law <law@redhat.com>
3569 PR tree-optimization/27364
3570 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3571 multiply expressions.
3573 2006-05-02 Tom Tromey <tromey@redhat.com>
3575 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3577 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3580 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3581 -mthumb -fPIC are used.
3583 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3584 Joshua Kinard <kumba@gentoo.org>
3587 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3588 with 64-bit pointers.
3590 2006-05-02 Paul Brook <paul@codesourcery.com>
3592 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3594 (create_fix_barrier): Check that a suitable barrier location is
3596 (arm_reorg): Include ftmp->address in allowable range of addresses.
3598 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3601 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3604 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3607 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3608 around RESULT_DECL for result passed by reference.
3609 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3610 * omp-low.c (use_pointer_for_field): Don't look at
3611 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3612 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3613 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3614 time or var for passing by reference for
3615 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3616 TREE_ADDRESSABLE variables when passing by reference.
3618 * omp-low.c (dump_omp_region): Fix output formatting.
3621 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3622 (expand_omp_parallel): Likewise.
3623 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3626 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3627 on statement list containing also constructors and destructors.
3628 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3631 * except.c (duplicate_eh_regions): Fix clearing of
3632 cfun->eh->region_array entries.
3634 2006-05-01 DJ Delorie <dj@redhat.com>
3636 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3638 (gcc_cv_objdump): Likewise.
3639 * configure: Regenerated.
3641 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3644 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3645 templates for case 3 and 4.
3647 2006-05-01 DJ Delorie <dj@redhat.com>
3649 * vec.c: Include bconfig.h when appropriate.
3650 * Makefile.in (build/vec.o): Adjust dependencies.
3651 * mkconfig.sh: Make sure config.h isn't used for build machine
3654 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3656 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3658 (mark_phi_for_rewrite): New function.
3659 (insert_phi_nodes_for, mark_use_interesting): Call
3660 mark_phi_for_rewrite.
3661 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3662 (update_ssa): Initialize and free phis_to_rewrite.
3664 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3666 PR rtl-optimization/27291
3667 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3668 folded to a constant.
3670 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3672 PR tree-optimization/27283
3673 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3674 not whole # of iteration descriptions.
3675 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3676 uses abnormal ssa name.
3677 (niter_for_single_dom_exit): Ditto.
3678 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3679 return just the number of iterations.
3681 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3683 PR tree-optimization/27144
3684 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3685 (record_estimate): Only record constant upper bound.
3686 (infer_loop_bounds_from_undefined): Call
3687 compute_estimated_nb_iterations just once.
3688 (proved_non_wrapping_p): Renamed to ...
3689 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3690 (convert_step_widening, scev_probably_wraps_p): Call
3691 n_of_executions_at_most instead of proved_non_wrapping_p.
3692 (substitute_in_loop_info): Do not replace values in bounds.
3693 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3696 2006-05-01 Richard Henderson <rth@redhat.com>
3699 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3700 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3703 2006-05-01 Roger Sayle <roger@eyesopen.com>
3705 * c-typeck.c (parser_build_binary_op): Don't call the function
3706 unsigned_conversion_warning to spot operand/result type overflow.
3707 (build_binary_op): Instead, call convert_and_check instead of
3708 convert to report the problem when the operands are promoted.
3709 * c-common.c (unsigned_conversion_warning): Make static.
3710 * c-common.h (unsigned_conversion_warning): Delete prototype.
3712 2006-05-01 Richard Guenther <rguenther@suse.de>
3714 PR tree-optimization/26726
3715 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3717 (find_interesting_uses_address): ... we work around here
3718 by folding INDIRECT_REFs in the substituted base.
3720 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3722 * omp-low.c (dump_omp_region): Add newlines.
3724 2006-04-30 Roger Sayle <roger@eyesopen.com>
3726 * common.opt (Woverflow): New command line option.
3727 * c-common.c (constant_expression_warning): Check warn_overflow.
3728 (overflow_waring): Pass OPT_Woverflow to warning.
3729 (unsigned_conversion_warning): Likewise.
3730 (convert_and_check): Likewise.
3731 * doc/invoke.texi: Document new command line option.
3733 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3735 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3736 TARGET_NO_FP_IN_TOC for section anchors.
3737 (optimization_options): Enable section anchors for all
3738 non-"Objective" languages.
3740 2006-04-28 Eric Christopher <echristo@apple.com>
3742 * config/darwin-c.c (darwin_ms_struct): Move this
3743 (darwin_set_default_type_attributes): and this...
3744 * config/darwin.c: ... here.
3745 * config/darwin.h (darwin_ms_struct): Declare.
3747 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3749 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3751 2006-04-28 Roger Sayle <roger@eyesopen.com>
3754 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3755 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3756 an unsigned HOST_WIDE_INT.
3757 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3759 (really_start_incremental_init): No need to call convert because
3760 bitsize_zero_node is already of type bitsizetype.
3761 (push_init_level): Extract the value of constructor_index as an
3762 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3763 (process_init_element): Likewise.
3765 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3767 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3768 value before passing to make_relative_prefix.
3770 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3773 * builtins.c (expand_builtin_memset): Expand val in original mode.
3775 2006-04-27 Eric Christopher <echristo@apple.com>
3777 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3778 with #ifndef/#endif.
3779 * config/darwin-c.c (darwin_ms_struct): New.
3780 (darwin_pragma_ms_struct): Ditto.
3781 (darwin_set_default_type_attributes): Ditto.
3782 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3783 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3784 Register ms_struct pragma.
3785 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3786 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3787 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3788 darwin_set_default_type_attributes if TARGET_MACHO.
3790 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3792 PR tree-optimization/26854
3793 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3794 * doc/tree-ssa.texi: Update immuse iterator documentation.
3795 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3796 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3797 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3798 first_safe_imm_use, next_safe_imm_use): Remove.
3799 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3800 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3801 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3802 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3803 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3804 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3805 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3806 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3807 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3808 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3809 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3810 (perfect_nestify): Use new iterator.
3811 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3813 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3814 (next_imm_name): New field in struct immediate_use_iterator_d.
3815 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3816 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3817 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3818 * tree-cfg.c (replace_uses_by): Use new iterator.
3819 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3820 * tree-ssa-operands.c (correct_use_link): Remove.
3821 (finalize_ssa_use_ops): No longer call correct_use_link.
3823 2006-04-27 Stuart Hastings <stuart@apple.com>
3825 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3826 * config/t-darwin (crt3.o): Use it.
3827 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3828 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3829 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3830 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3831 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3834 2006-04-27 Roger Sayle <roger@eyesopen.com>
3836 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3837 size, force the intermediate into a new pseudo rather instead of
3838 performing both a bitwise AND and a bitwise IOR in memory.
3840 2006-04-27 Richard Guenther <rguenther@suse.de>
3842 PR rtl-optimization/26685
3843 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3844 this one "max-flow-memory-locations".
3846 2006-04-27 Richard Guenther <rguenther@suse.de>
3848 PR tree-optimization/25148
3849 * tree-vrp.c (compare_values): Remove code dealing with
3850 comparisons against type min/max value. Honour overflow
3851 and negative constants in code dealing with comparisons
3852 of plus and minus expressions.
3853 (value_inside_range): Use fold_binary with LE_EXPR and
3854 GE_EXPR rather than compare_values.
3856 2006-04-27 Dirk Mueller <dmueller@suse.de>
3858 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3861 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3863 * basic-block.h (safe_insert_insn_on_edge): Removed.
3864 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3866 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3867 Paolo Bonzini <bonzini@gnu.org>
3870 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3871 (simplify_and_const_int): Same.
3873 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3875 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3877 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3880 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3881 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3882 cgraph_global_info_ready.
3885 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3888 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3889 either decl or init is error_mark_node.
3892 * tree-flow.h (struct omp_region): Add sched_kind.
3893 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3894 instead of extracting omp for data.
3895 (expand_omp_for): Save extracted sched_kind.
3897 2006-04-25 Roger Sayle <roger@eyesopen.com>
3899 * expmed.c (store_bit_field): Also check whether the bitsize is
3900 valid for the machine's "insv" instruction before moving the
3901 target into a pseudo for use with the insv.
3902 * config/i386/predicates.md (const8_operand): New predicate.
3903 * config/i386/i386.md (extv, extzv, insv): Use the new
3904 const8_operand predicate where appropriate.
3906 2006-04-25 DJ Delorie <dj@redhat.com>
3908 * doc/install.texi (Specific): Clarify that this is not a list of
3909 supported hosts or targets.
3911 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3913 PR rtl-optimization/26725
3914 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3915 block's BB_DIRTY flag.
3917 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3919 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3922 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3923 to print an integer.
3925 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3927 * varasm.c (align_variable): New function.
3928 (get_block_for_decl): Apply align_variable to DECL before
3929 calculating section information.
3930 (assemble_variable): Split out alignment computation.
3932 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3934 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3937 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3939 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3940 MODE_PARTIAL_INT mode.
3941 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3942 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3944 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3945 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3947 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3949 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3951 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3952 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3953 MACFLAG_IH): Likewise.
3954 (movstricthi_1): Renamed from "*movstricthi".
3955 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3956 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3957 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3958 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3959 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3960 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3961 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3962 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3963 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3964 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3965 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3966 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3967 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3968 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3969 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3971 * doc/rtl.texi (ss_ashift): Improve wording.
3973 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3975 * dwarf2out.c (verify_marks_clear): New.
3976 (prune_unused_types): Call verify_marks_clear initially, not
3979 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3981 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3982 * doc/rtl.texi: Document them.
3983 * simplify-rtx.c (simplify_unary_operation,
3984 simplify_binary_operation_1): Don't abort when we see them.
3986 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3989 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3990 * configure.ac: Completely disregard languages that are not
3992 * configure: Regenerated.
3994 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3995 Richard Guenther <rguenther@suse.de>
3997 PR tree-optimization/27236
3998 * tree-inline.c (copy_body_r): Make sure to copy
3999 TREE_THIS_VOLATILE flag.
4001 2006-04-24 Richard Guenther <rguenther@suse.de>
4004 * tree-complex.c (update_parameter_components): Don't handle
4005 unused parameters which have no default def.
4007 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4008 Richard Guenther <rguenther@suse.de>
4010 PR tree-optimization/27218
4011 * tree-inline.c (expand_call_inline): Strip useless type
4012 conversions for the return slot address.
4014 2006-04-24 Richard Guenther <rguenther@suse.de>
4016 * cfgloop.h (struct loops): Remove unused field array. Reorder
4018 (LOOP_PREFETCH): Remove.
4020 2006-04-24 Richard Guenther <rguenther@suse.de>
4022 PR tree-optimization/22525
4023 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4024 variable, adjust types of generated expressions.
4026 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4028 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4029 (tree-vect-patterns.o): Likewise.
4031 (cselib.o): Likewise.
4032 (loop-doloop.o): Likewise.
4033 (regclass.o): Likewise.
4034 (reload1.o): Likewise.
4035 (explow.o): Replace target.h with $(TARGET_H).
4036 (ipa-prop.o): Likewise.
4037 (ipa-cp.o): Likewise.
4038 (ipa-inline.o): Likewise.
4039 (reorg.o): Likewise.
4040 (reg-stack.o): Likewise.
4042 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4044 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4046 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4048 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4050 * configure.ac: Completely disregard languages that are not
4052 * configure: Regenerated.
4055 * c-common.h (c_build_bitfield_integer_type): Declare.
4056 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4057 * c-common.c (c_build_bitfield_integer_type): ... here.
4059 2006-04-23 Roger Sayle <roger@eyesopen.com>
4062 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4063 a SImode SUBREG of a floating point register after no_new_pseudos.
4065 2006-04-23 Roger Sayle <roger@eyesopen.com>
4067 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4068 identify potentially eliminable registers to additionally catch
4069 VIRTUAL_INCOMING_ARGS_REGNUM.
4070 (addsi3): Update the conditions on when to use addsi_small_int.
4072 2006-04-23 Roger Sayle <roger@eyesopen.com>
4075 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4076 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4077 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4079 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4081 * fold-const.c (range_predecessor): Use operand_equal_p
4082 as the predicate for equality.
4083 (range_successor): Likewise.
4085 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4088 * config/soft-fp/op-common.h: Fix a typo.
4090 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4093 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4094 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4096 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4098 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4100 * doc/tm.texi: Fix a typo.
4102 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4104 * dwarf2out.c (struct die_struct): Document that die_sib makes
4105 a circular linked list.
4106 (FOR_EACH_CHILD): New.
4107 (reverse_die_lists): Delete.
4108 (reverse_all_dies): Delete.
4109 (add_dwarf_attr): Correct documentation.
4110 (remove_child_with_prev): New.
4111 (remove_child_TAG): Update for change to die_struct, use
4112 remove_child_with_prev.
4113 (add_child_die): Update for change to die_struct.
4114 (splice_child_die): Use remove_child_with_prev and add_child_die.
4115 (print_die): Use FOR_EACH_CHILD.
4116 (die_checksum): Likewise.
4117 (assign_symbol_names): Likewise.
4118 (output_location_lists): Likewise.
4119 (build_abbrev_table): Likewise.
4120 (calc_die_sizes): Likewise.
4121 (mark_dies): Likewise.
4122 (unmark_dies): Likewise.
4123 (unmark_all_dies): Likewise.
4124 (output_die): Likewise.
4125 (prune_unused_types_mark): Likewise.
4126 (prune_unused_types_walk): Likewise.
4127 (same_die_p): Update for change to die_struct.
4128 (break_out_includes): Likewise.
4129 (prune_unused_types_prune): Likewise.
4130 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4131 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4133 (dwarf2out_finish): Don't call reverse_all_dies.
4135 2006-04-21 Eric Christopher <echristo@apple.com>
4137 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4138 in comments and function names.
4140 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4143 * c-typeck.c (digest_init): Robustify.
4145 * c-typeck.c (pop_init_level): Simplify.
4147 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4149 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4151 2006-04-21 Paul Brook <paul@codesourcery.com>
4153 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4154 hardware floating point.
4156 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4158 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4161 2006-04-21 Nick Clifton <nickc@redhat.com>
4163 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4166 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4169 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4170 C++ lang type in traceback table for Objective-C++.
4172 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4174 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4176 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4178 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4181 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4182 were errors. Remove check for erroneous objects.
4184 2006-04-20 Jeff Law <law@redhat.com>
4186 PR tree-optimization/26854
4187 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4188 checking for zero or one use.
4189 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4190 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4191 * tree-ssa-reassoc.c (negate_value): Similarly.
4192 (reassociate_bb): Similarly.
4194 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4196 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4197 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4198 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4200 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4202 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4203 fp regs if the last fp arg doesn't fit in regs.
4205 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4208 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4209 that the last insn has the REG_INC note.
4211 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4212 Nathan Sidwell <nathan@codesourcery.com>
4215 * stor-layout.c (update_alignment_for_field): Do not align
4217 (place_union_field): Place union field at the start of the union.
4218 (place_field): Move ERROR_MARK check later, and use the current
4219 allocation position to maintain monotonicity.
4221 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4223 * dominance.c: Include timevar.h.
4224 (calculate_dominance_info): Use TV_DOMINANCE.
4225 * timevar.def (TV_DOMINANCE): New timevar.
4226 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4228 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4230 PR rtl-optimization/14261
4231 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4232 move would be an INSV insn.
4233 (noce_process_if_block): Don't optimize if the destination is a
4234 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4236 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4238 * config/s390/s390.md: Add comments with the instructions emitted
4239 by an insn pattern if macros are used.
4241 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4243 PR rtl-optimization/26026
4244 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4245 is a known power of two shifted left a variable amount.
4247 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4249 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4250 to hash table twice when the debug_str section has SECTION_MERGE.
4252 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4254 * config/soft-fp: New directory. From glibc.
4255 * config/soft-fp/t-softfp: New.
4256 * config/soft-fp/README: New.
4257 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4258 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4259 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4260 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4261 * config.gcc: Use rs6000/t-fprules-fpbit or
4262 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4264 * config/rs6000/sfp-machine.h: New. Based on glibc.
4265 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4267 * config/rs6000/t-fprules: Remove fp-bit rules.
4268 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4269 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4270 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4271 (softfp_wrap_start, softfp_wrap_end): New.
4273 2006-04-18 DJ Delorie <dj@redhat.com>
4275 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4277 2006-04-18 Devang Patel <dpatel@apple.com>
4279 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4281 2006-04-18 Nick Clifton <nickc@redhat.com>
4283 * config/sh/t-symbian: Add rule to build sh-c.o
4284 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4285 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4286 (sh_symbian_encode_section_info): Likewise.
4288 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4290 * builtins.c (expand_builtin_strcmp): Cover label definition of
4291 do_libcall with HAVE_cmpstrnsi.
4293 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4295 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4297 * function.h (temp_slot_p): New.
4298 (function): Change the type of x_used_temp_slots to
4299 VEC(temp_slot_p,gc) *.
4301 2006-04-18 Nick Clifton <nickc@redhat.com>
4303 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4304 flag_strength_reduce.
4306 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4308 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4312 Partial revert of revision 112637
4313 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4314 Dale Johannesen <dalej@apple.com>
4317 * regclass.c (struct reg_pref): Update documentation.
4318 (regclass): Set prefclass to NO_REGS if memory is the best option.
4319 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4321 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4323 PR tree-optimization/26821
4324 * tree-ssa-math-opts.c (get_constant_one): New.
4325 (insert_reciprocals): Use it.
4327 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4329 * dwarf2out.c (free_AT): Delete.
4330 (remove_AT): Update string ref counts.
4331 (remove_child_TAG): Don't call free_die.
4333 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4334 or DW_TAG_GNU_EINCL.
4335 (prune_unused_types_walk_attribs): Reset string refcounts.
4336 (prune_unused_types_update_strings): New.
4337 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4338 call free_die. Do call prune_unused_types_update_strings.
4339 (prune_unused_types): Empty debug_str_hash.
4341 2006-04-17 Roger Sayle <roger@eyesopen.com>
4343 * expr.c (expand_assignment): Optimize away no-op moves where the
4344 source and destination are equal and have no side-effects.
4346 2006-04-17 Richard Guenther <rguenther@suse.de>
4349 * reload.c (push_reload): Guard calls to get_secondary_mem
4352 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4354 * alias.c (reg_base_value, old_reg_base_value): Change the
4355 type to VEC(rtx,gc) *.
4356 (REG_BASE_VALUE, find_base_value, record_set,
4357 init_alias_analysis): Use VEC instead of VARRAY.
4359 * alias.c (alias_sets): Change the type to
4360 VEC(alias_set_entry,gc) *.
4361 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4362 VEC instead of VARRAY.
4363 (last_alias_set): Remove.
4365 * cgraph.h (cgraph_edge_p): New.
4366 Update the prototype of cgraph_function_versioning.
4367 * cgraphunit.c (cgraph_copy_node_for_versioning,
4368 cgraph_function_versioning): Use VEC instead of VARRAY.
4369 * ipa-cp.c (ipcp_insert_stage): Likewise.
4371 2006-04-16 Roger Sayle <roger@eyesopen.com>
4374 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4375 "A op B" or "A op C", we may need to convert A to the type of B and C.
4377 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4379 * target.h (struct gcc_target): Add mode_rep_extended.
4380 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4381 (init_num_sign_bit_copies_in_rep): Initialize it using
4383 (truncate_to_mode): Use it.
4384 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4385 * targhooks.h (default_mode_rep_extended): Declare it.
4386 * targhooks.c (default_mode_rep_extended): Define it.
4387 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4388 default_mode_rep_extended.
4389 (TARGET_INITIALIZER): Include it.
4390 * doc/tm.texi (Misc): Document it.
4391 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4392 (mips_truncated_to_mode): New function.
4394 2006-04-16 Roger Sayle <roger@eyesopen.com>
4397 * expr.c (compress_float_constant): Copy the narrow constant into
4398 a new pseudo before extending it to its final width.
4400 2006-04-16 Roger Sayle <roger@eyesopen.com>
4401 Andrew Pinski <pinskia@gcc.gnu.org>
4402 Dale Johannesen <dalej@apple.com>
4405 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4406 special case code to implement V8HImode and V16QImode with SSE2.
4408 2006-04-15 Roger Sayle <roger@eyesopen.com>
4410 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4411 trees are constructed with a suitable tree type.
4413 2006-04-15 Roger Sayle <roger@eyesopen.com>
4415 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4416 (integer_onep): Likewise.
4417 (integer_all_onesp): Likewise.
4418 (integer_pow2p): Likewise.
4419 (integer_nonzerop): Likewise.
4420 (real_zerop): Likewise.
4421 (real_onep): Likewise.
4422 (real_twop): Likewise.
4423 (real_minus_onep): Likewise.
4424 (int_size_in_bytes): Likewise.
4425 (host_integerp): Likewise.
4427 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4429 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4430 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4431 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4433 * tree-ssa-structalias.h (alias_info): Remove num_references.
4435 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4437 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4438 (output_bvb patterns): Likewise.
4439 * pa.c (output_bb): Use 'bb' insn for long branch case.
4440 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4441 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4442 1. Correct length operand for alternatives 1 and 2.
4443 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4444 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4446 2006-04-14 Roger Sayle <roger@eyesopen.com>
4448 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4449 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4450 were accidentally reverted by r112959.
4452 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4455 * except.h (eh_region_outermost): New prototype.
4456 * except.c (eh_region_outermost): New function.
4457 * tree-cfg.c (find_outermost_region_in_block): Use it.
4459 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4461 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4463 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4464 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4465 (init_reload, reload): Use VEC instead of VARRAY.
4466 * reload.h: Update the prototype for
4467 reg_equiv_memory_loc_varray.
4469 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4470 Eric Botcazou <ebotcazou@libertysurf.fr>
4472 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4475 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4478 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4479 to expand fallback builtin function call.
4481 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4484 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4485 and emit libcall here in case the builtin fails.
4486 (expand_builtin_strcmp): Always emit the libcall here on failure.
4488 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4490 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4491 * flow.c (reg_n_info): Change the type to
4492 VEC(reg_info_p,heap) *.
4493 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4495 * regs.h (reg_info_p): New.
4496 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4497 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4498 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4501 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4503 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4505 * params.h (MAX_SCHED_READY_INSNS): New macro.
4506 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4507 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4508 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4509 the ready list for 1 cycle during the first scheduling pass.
4510 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4512 2006-04-13 Richard Henderson <rth@redhat.com>
4515 * gimple-low.c (lower_omp_directive): Remove dead code.
4516 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4517 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4518 * omp-low.c (struct omp_region): Move to tree-flow.h.
4519 (root_omp_region): Export.
4520 (omp_regions, lookup_omp_region): Remove.
4521 (determine_parallel_type): Update for struct omp_region changes.
4522 (dump_omp_region): Dump regions with block numbers.
4523 (new_omp_region): Take type and block instead of stmt; malloc
4525 (free_omp_region_1, free_omp_regions): New.
4526 (expand_parallel_call): Take entry_stmt as argument; update for
4527 changes to omp_region.
4528 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4529 (remove_exit_barriers): New.
4530 (expand_omp_parallel): Update for struct omp_region changes.
4531 (expand_omp_synch): Likewise.
4532 (expand_omp): Likewise.
4533 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4534 (expand_omp_for_static_chunk): Likewise.
4535 (expand_omp_for): Likewise.
4536 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4537 (expand_omp_sections): Similarly, with GOMP_sections_end.
4538 (expand_omp_single): New.
4539 (build_omp_regions_1): Update for OMP_CONTINUE.
4540 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4541 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4542 OMP_SECTIONS_SECTIONS.
4543 (lower_omp_single_simple): Don't emit barrier here.
4544 (lower_omp_single_copy): Likewise.
4545 (lower_omp_single): Fix bindings, and lower to straightline now.
4546 (lower_omp_master, lower_omp_ordered): Likewise.
4547 (lower_omp_critical): Likewise.
4548 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4549 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4550 omp edges, free it afterward.
4551 (make_omp_sections_edges): Remove.
4552 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4553 (move_stmt_r): Handle OMP_CONTINUE.
4554 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4555 statement pointers to basic blocks. Add type member.
4556 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4557 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4558 * tree-inline.c (estimate_num_insns_1): Likewise.
4559 * tree-pretty-print.c (dump_generic_node): Likewise.
4560 * tree-ssa-operands.c (get_expr_operands): Likewise.
4561 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4562 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4563 (OMP_CONTINUE): New.
4564 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4565 (OMP_SECTIONS_SECTIONS): Remove.
4566 (OMP_SECTION_LAST): New.
4567 (OMP_RETURN_NOWAIT): New.
4569 2006-04-13 Roger Sayle <roger@eyesopen.com>
4571 * fold-const.c (native_encode_vector, native_interpret_real):
4572 Correct obvious mistakes in the previous check-in.
4574 2006-04-13 Roger Sayle <roger@eyesopen.com>
4576 * fold-const.c (native_encode_expr): New function to encode
4577 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4578 or VECTOR_CST into a specified buffer.
4579 (native_encode_int): New function.
4580 (native_encode_real): New function.
4581 (native_encode_complex): New function.
4582 (native_encode_vector): New function.
4583 (native_interpret_expr): Inverse of native_encode_expr to convert
4584 a target representation into an INTEGER_CST, REAL_CST etc...
4585 (native_interpret_int): New function.
4586 (native_interpret_real): New function.
4587 (native_interpret_complex): New function.
4588 (native_interpret_vector): New function.
4589 (fold_view_convert_expr): New function to constant fold/evaluate
4590 a VIEW_CONVERT_EXPR of a suitable constant expression.
4591 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4592 Change call of build1 to fold_build1 when constructing a
4595 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4596 Ulrich Weigand <uweigand@de.ibm.com>
4599 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4602 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4605 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4606 optimize to lo_sum for DFmode if !TARGET_FPRS.
4608 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4610 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4611 delete_alias_info, compute_flow_sensitive_aliasing,
4612 group_aliases): Use VEC instead of VARRAY.
4613 * tree-ssa-structalias.c (update_alias_info): Likewise.
4614 * tree-ssa-structalias.h (alias_info): Change the type of
4615 processed_ptrs to VEC(tree,heap) *.
4617 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4620 * config/sh/lib1funcs.h: New file, broken out of:
4621 * config/sh/lib1funcs.asm.
4622 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4624 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4625 * config/sh/lib1funcs-Os-4-200.asm: New file.
4626 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4627 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4628 (EXTRA_MULTILIB_PARTS): Include it.
4629 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4630 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4631 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4632 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4635 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4637 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4638 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4639 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4641 * tree-ssa-live.h: Include vecprim.h.
4642 (tree_partition_associator_d): Change the type of
4643 first_partition to VEC(int,heap) *.
4644 (tpa_first_partition): Use VEC instead of VARRAY.
4646 * Makefile.in (GTFILES): Move functions.h after tree.h.
4647 * function.c (reset_block_changes, record_block_change,
4648 check_block_change, free_block_changes): Use VEC instead of
4650 * function.h (function): Change the type of
4651 ib_boundaries_block to VEC(tree,gc) *.
4652 * tree-inline.c (copy_cfg_body): Initialize
4653 ib_boundaries_block to NULL instead of (varray_type) 0.
4655 2006-04-12 Roger Sayle <roger@eyesopen.com>
4657 * expr.c (emit_group_store): Correct operand order in call to
4658 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4659 a SUBREG_BYTE of zero.
4661 2006-04-12 Richard Guenther <rguenther@suse.de>
4663 * profile.c (compute_branch_probabilities): Remove code
4664 encapsulated in !ir_type (), which are remanents of the
4665 removed RTL profiling code.
4666 * rtl-profile.c: Remove.
4668 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4670 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4671 magic NULL_RTX comment.
4672 (function_arg): Store entire fp arg to mem if any part should go
4674 (rs6000_arg_partial_bytes): Adjust for above change.
4676 2006-04-11 Roger Sayle <roger@eyesopen.com>
4678 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4679 if it hasn't been initialized by dwarf2out_init.
4681 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4683 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4684 symbolic constants in branch patterns.
4686 2006-04-11 Roger Sayle <roger@eyesopen.com>
4688 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4690 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4692 PR rtl-optimization/27073
4693 * gcse.c (try_replace_reg): Revert last change. Continue to search
4694 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4697 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4699 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4700 aggregate types other than record and union types.
4701 (function_arg): Likewise.
4702 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4704 (function_value): In 64-bit mode, return objects that require it
4707 2006-04-11 Roger Sayle <roger@eyesopen.com>
4709 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4711 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4713 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4715 2006-04-03 Jeff Law <law@redhat.com>
4718 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4719 alias information too.
4721 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4723 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4725 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4728 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4729 (premark_used_types_helper): New.
4730 (premark_used_types): New.
4731 (gen_subprogram_die): Call premark_used_types.
4732 (prune_unused_types_walk): Do not prune perennial dies.
4733 * function.c (used_types_insert): New.
4734 * function.h (struct function): Add used_types_hash field.
4735 (used_types_insert): Add prototype.
4736 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4737 * c-parser.c (c_parser_cast_expression): Save casted types in used
4740 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4743 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4744 rs6000_explicit_options.float_gprs.
4746 2006-04-10 Roger Sayle <roger@eyesopen.com>
4748 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4749 from ix86_expand_vector_init_low_nonzero. Take an additional
4750 one_var argument indicating which element is non-zero. Support
4751 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4752 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4753 with one_var instead of ix86_expand_vector_init_low_nonzero.
4755 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4757 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4758 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4759 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4760 build/genextract.o): Depend on vecprim.h.
4761 * cfglayout.c, df-problems.c, function.c, genextract.c,
4762 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4763 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4767 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4769 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4770 Declare VECs of this type.
4771 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4772 (remove_children): Delete.
4773 (add_dwarf_attr): Use VEC routines.
4774 (add_AT_flag): Update for changes to add_dwarf_attr.
4775 (add_AT_int): Likewise.
4776 (add_AT_unsigned): Likewise.
4777 (add_AT_long_long): Likewise.
4778 (add_AT_vec): Likewise.
4779 (add_AT_string): Likewise.
4780 (add_AT_die_ref): Likewise.
4781 (add_AT_fde_ref): Likewise.
4782 (add_AT_loc): Likewise.
4783 (add_AT_loc_list): Likewise.
4784 (add_AT_addr): Likewise.
4785 (add_AT_lbl_id): Likewise.
4786 (add_AT_lineptr): Likewise.
4787 (add_AT_macptr): Likewise.
4788 (add_AT_offset): Likewise.
4789 (add_AT_range_list): Likewise.
4790 (get_AT): Use VEC_iterate.
4791 (remove_AT): Use VEC_ordered_remove.
4792 (free_die): Fold remove_children into here; have it use VEC_iterate.
4793 (print_die): Use VEC_iterate on attrs.
4794 (reverse_die_lists): Don't reverse attr lists.
4795 (die_checksum): Use VEC_iterate on attrs.
4796 (same_die_p): Likewise.
4797 (output_location_lists): Likewise.
4798 (build_abbrev_table): Likewise.
4799 (size_of_die): Likewise.
4800 (unmark_all_dies): Likewise.
4801 (output_abbrev_section): Likewise.
4802 (output_die): Likewise.
4803 (prune_unused_types_walk_attribs): Likewise.
4805 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4807 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4809 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4812 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4814 2006-04-09 Roger Sayle <roger@eyesopen.com>
4816 * expr.c (store_constructor): Don't bother clearing target if
4817 we're about to assign a vector to it using vec_init_optab.
4819 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4821 * tree-ssa-alias.c (lhs_may_store_to): New function.
4822 (recalculate_used_alone): Handle LHS of calls.
4824 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4828 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4829 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4830 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4831 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4832 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4833 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4834 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4835 stubs. Add ".align 8" directives before all ".dword" directives.
4836 (GTHREAD_USE_WEAK): Revise comment.
4837 (TARGET_ATTRIBUTE_WEAK): Define.
4838 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4839 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4840 * stublib.c: New file.
4845 * pa.md (cbranch patterns): Revise arguments used in calls to
4846 output_cbranch, output_bb and output_bvd. Add long branch length
4848 (fbranch patterns): Handle long branches.
4849 (jump): Revise length check. Revise arguments for output_lbranch call.
4850 Add long branch length attributes.
4851 (decrement_and_branch_until_zero): Add long branch length attributes.
4852 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4853 Likewise. Revise arguments for output_parallel_addb and
4854 output_parallel_movb calls.
4855 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4856 output_parallel_movb and output_parallel_addb): Update prototypes.
4857 * pa.c (output_cbranch): Revise arguments. Correct handling of
4858 nullification in long branches.
4859 (output_lbranch): Add new argument to control extraction of delay
4861 (output_bb): Handle long branches.
4862 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4863 output_parallel_addb): Likewise.
4865 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4867 PR rtl-optimization/27073
4868 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4871 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4873 * tree.h (tree_memory_tag): Add old_used_alone.
4874 (SMT_OLD_USED_ALONE): New macro.
4875 * tree-ssa-alias.c (recalculate_used_alone): Stop
4876 marking things for renaming unnecessarily.
4878 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4880 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4881 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4882 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4883 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4884 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4885 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4886 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4887 spelling convensions.
4888 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4889 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4890 typos. Follow spelling conventions.
4892 2006-04-07 DJ Delorie <dj@redhat.com>
4894 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4895 passed on the stack.
4896 (m32c_init_cumulative_args): When a function returns a structure,
4897 always pass the pointer to that return area on the stack.
4898 (m32c_function_arg_advance): Don't increment the parameter number
4899 if we're processing the returned structure pointer.
4900 (pushm_info): Reverse order of registers.
4902 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4904 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4905 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4906 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4907 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4909 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4910 chrec_fold_multiply): Same.
4911 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4912 force_expr_to_var_cost): Same.
4913 * tree-mudflap.c (mf_xform_derefs_1): Same.
4914 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4916 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4918 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4919 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4922 2006-04-07 Jan Hubicka <jh@suse.cz>
4924 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4926 2006-04-07 Richard Guenther <rguenther@suse.de>
4928 PR tree-optimization/26135
4929 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4930 loads for store copy-prop.
4931 (copy_prop_visit_stmt): Likewise.
4933 2006-04-05 Robert Millan <robertmh@gnu.org>
4935 * config/i386/linux.h: Add a comment to mark macros that are
4936 being overriden in config/k*bsd-gnu.h.
4937 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4939 * config/knetbsd-gnu.h: Ditto.
4941 2006-04-06 Jan Hubicka <jh@suse.cz>
4945 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4948 2006-04-06 Mike Stump <mrs@apple.com>
4950 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4951 for HAVE_nonlocal_goto to be consistent.
4952 (expand_builtin_nonlocal_goto): Likewise.
4953 (expand_builtin_strcmp): Use #ifdef instead of #if
4954 for HAVE_cmpstrnsi to be consistent.
4956 2006-04-05 DJ Delorie <dj@redhat.com>
4958 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4961 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4963 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4964 got-relative addressing for anything but SImode.
4966 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4967 even if the calling function doesn't modify them.
4969 2006-04-05 Richard Guenther <rguenther@suse.de>
4971 PR tree-optimization/26919
4972 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4973 to cgraph_estimate_size_after_inlining.
4975 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4977 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4979 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4981 PR tree-optimization/26996
4982 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4983 VECTOR_TYPE variables.
4985 2006-04-05 Richard Guenther <rguenther@suse.de>
4987 PR tree-optimization/26763
4988 * fold-const.c (fold_comparison): Move folding of
4989 PTR + CST CMP PTR + CST ...
4990 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4992 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4994 * doc/install.texi (Prerequisites): Refine some wording on
4995 bootstrapping and ksh.
4996 Move the version numbers of DejaGnu here from the testing section
4997 and fix casing of names.
4998 Fix markup and clarify wording for autogen requirements.
4999 Refer to GCJ instead of just java.
5000 Refer to SVN instead of CVS.
5001 Describe diffutils as useful instead of necessary.
5002 (Downloading the source): Refer to SVN instead of CVS.
5003 Adjust a link to our web site accordingly.
5004 (Configuration): Fix casing of Bison.
5005 (Building): Refer to SVN instead of CVS.
5006 Fix a sentence on the use of Bison and remove duplicate (and
5007 incorrect) version number of Bison requirement.
5008 Remove one redundant list of packages needed for building.
5009 (Specific): Avoid reference to CVS.
5011 2006-04-04 Eric Christopher <echristo@apple.com>
5013 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5014 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5015 (rs6000_handle_struct_attribute): New.
5016 (rs6000_ms_bitfield_layout_p): Ditto.
5018 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5020 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5021 NULL for dso parameter to atexit_common.
5023 2006-04-04 Eric Christopher <echristo@apple.com>
5025 * config/i386/i386.c (machopic_output_stub): Output \t
5026 between instructions and operands.
5028 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5030 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5031 satisfies_constraint_[IL] to explicit tests on value.
5033 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5035 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5036 set_nb_iterations_in_loop): Use build_int_cst instead of
5038 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5039 build_int_cst instead of convert.
5041 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5043 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5044 new value 2 for incoming.
5045 * function.c (expand_function_start): Call struct_value_rtx
5047 * config/sparc/sparc.md: Comment updated_return.
5048 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5049 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5050 struct return if sparc_std_struct_return and incoming is 2.
5051 (print_operand): Do not adjust return if
5052 sparc_std_struct_return.
5054 2006-04-04 Roger Sayle <roger@eyesopen.com>
5056 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5057 convert in the middle-end.
5058 * expr.c (store_expr, store_constructor, get_inner_reference,
5059 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5061 * tree.c (build_range_type): Likewise.
5063 2006-04-04 Tom Tromey <tromey@redhat.com>
5065 * doc/install.texi (Prerequisites): Mention jar.
5067 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5069 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5072 2006-04-04 Matthias Klose <doko@debian.org>
5074 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5075 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5078 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5080 * doc/extend.texi (Function Attributes): Rewrite visibility
5081 attribute documentation.
5082 * doc/invoke.texi (C++ Dialect Options): Rewrite
5083 -fvisibility-inlines-hidden documentation to describe something
5084 entirely different, although in practise compatible.
5085 (Code Gen Options): Warn about system headers in -fvisibility=
5088 * doc/extend.texi (Other Builtins): Document that
5089 __builtin_nan is a compile-time constant only when its argument
5092 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5094 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5095 trying to remove TRUNCATE check if all bits outside the new mode
5096 are identical to the sign bit.
5098 2006-04-03 Jeff Law <law@redhat.com>
5100 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5101 and operand scanning in some common cases.
5103 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5104 Dale Johannesen <dalej@apple.com>
5107 * regclass.c (struct reg_pref): Update documentation.
5108 (regclass): Set prefclass to NO_REGS if memory is the best option.
5109 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5110 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5111 into account. For non-registers, equate an empty preferred
5112 reload class to a `!' in the constraint; move the if clause to
5113 do so after those that reject the insn.
5114 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5116 (find_dummy_reload): Likewise.
5117 * doc/tm.texi (Register Classes): Document what it means
5118 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5119 * config/i386/i386.c (ix86_preferred_reload_class): Force
5120 using SSE registers (and return NO_REGS for floating-point
5121 constants) if math is done with SSE.
5122 (ix86_preferred_output_reload_class): New.
5123 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5124 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5125 * config/i386/i386.md: Remove # register preferences.
5127 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5130 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5131 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5132 the type of nb_iter.
5133 (instantiate_parameters_1): Convert the operands before calling
5134 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5135 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5137 2006-04-02 Roger Sayle <roger@eyesopen.com>
5139 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5140 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5142 * dojump.c (do_jump): Likewise.
5143 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5144 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5145 gimplify_boolean_expr): Likewise.
5146 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5147 * varasm.c (array_size_for_constructor): Likewise.
5148 * tree-object-size.c (compute_object_offset): Likewise.
5150 2006-04-02 Roger Sayle <roger@eyesopen.com>
5153 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5154 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5156 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5158 PR tree-optimization/26939
5159 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5161 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5163 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5164 at_stmt. Convert the type of operands before calling
5165 build_polynomial_chrec.
5166 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5168 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5169 (instantiate_parameters_1): Convert the type of operands before calling
5170 build_polynomial_chrec.
5171 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5172 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5173 reset_evolution_in_loop): Insert asserts to check the types of the
5175 (chrec_type): Moved...
5176 (eq_evolutions_p): Use operand_equal_p.
5177 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5178 the types of the operands.
5179 (chrec_type): ...here.
5180 * tree-data-ref.c (create_data_ref): Convert the operands before
5181 calling chrec_replace_initial_condition.
5182 (same_access_functions, analyze_subscript_affine_affine,
5183 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5184 (compute_subscript_distance, analyze_ziv_subscript,
5185 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5186 analyze_miv_subscript): Convert the operands before calling
5187 chrec_fold_minus or chrec_fold_plus.
5189 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5191 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5192 the dependence_relations vector.
5193 (compute_data_dependences_for_loop): Adjust call to
5194 compute_all_dependences.
5196 2006-04-01 Roger Sayle <roger@eyesopen.com>
5197 Richard Henderson <rth@redhat.com>
5199 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5200 gimple_boolify on the condition before calling gimplify_expr.
5202 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5204 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5205 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5206 the frame size. Update to use the new macros.
5207 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5208 * config/xtensa/ieee754-df.S: Likewise.
5210 2006-03-31 Richard Henderson <rth@redhat.com>
5212 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5213 (make_edges): ... here. Control fallthru creation with a local
5214 variable. Do not play with fake edges.
5215 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5216 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5219 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5221 * dwarf2.h (DW64_CIE_ID): Define.
5222 * dwarf2out.c (DWARF_CIE_ID): Define.
5223 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5224 length header. Use DWARF_CIE_ID.
5225 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5226 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5228 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5230 * config/sh/linux-atomic.asm: New file.
5231 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5233 2006-03-31 DJ Delorie <dj@redhat.com>
5235 * config/m32c/cond.md: Set condition flags properly throughout.
5236 * config/m32c/minmax.md: Likewise.
5237 * config/m32c/prologue.md: Likewise.
5238 * config/m32c/bitops.md: Likewise.
5239 * config/m32c/muldiv.md: Likewise.
5240 * config/m32c/mov.md: Likewise.
5241 * config/m32c/addsub.md: Likewise.
5242 * config/m32c/m32c.md: Likewise.
5243 * config/m32c/jump.md: Likewise.
5244 * config/m32c/shift.md: Likewise.
5246 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5247 conditionally output the pattern for this.
5248 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5249 (m32c_compare_redundant): New.
5250 (m32c_output_compare): New.
5251 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5253 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5254 dest, not src. Allow other 4-byte modes.
5256 2006-03-30 Denis Chertykov <denisc@overta.ru>
5258 * doc/md.texi: Refer to avr/constraints.md instead of
5261 2006-03-30 Roger Sayle <roger@eyesopen.com>
5263 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5264 signed vs. unsigned comparison failures on some hosts.
5266 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5269 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5270 change to FLOAT_REGS.
5272 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5273 (rs6000_override_options): Use it.
5274 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5275 only for -mabi=spe/no-spe and -mabi=altivec.
5277 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5279 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5282 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5284 * Makefile.in: Rename docdir to gcc_docdir.
5286 2006-03-30 Roger Sayle <roger@eyesopen.com>
5289 * expr.c (emit_group_store): Optimize group stores into a pseudo
5290 register by using a paradoxical subreg to initialize the destination
5291 if the first or last member of the group specifies a "low part".
5293 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5296 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5297 * target.h (struct gcc_target.speculate_insn): Change type of the
5298 second parameter to 'int'.
5299 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5300 the second operand of the DEPS_LIST.
5301 (copy_DEPS_LIST_list): Update reference to the second operand of the
5303 * rtl.h (alloc_DEPS_LIST): Update signature.
5304 * sched-int.h (ds_t): Change typedef to 'int'.
5305 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5307 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5309 * haifa-sched.c (try_ready): Change condition to restore
5310 non-speculative pattern of the instruction.
5311 (process_insn_depend_be_in_spec): Code to keep probability of the
5312 speculative dependence non-decreasing.
5314 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5316 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5317 (single_move_for_movmem): ... this. Also change all uses.
5318 (bfin_expand_strmov): Renamed to...
5319 (bfin_expand_movmem): ... this. Also change all uses.
5320 * config/bfin/bfin.md (movstrsi): Renamed to...
5321 (movstrsi): ...this.
5323 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5325 PR tree-optimization/26830
5327 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5328 (copy_prop_visit_stmt): Remove write-only variable ann.
5329 (init_copy_prop): Check variable loop depth here. Do not simulate
5330 memory-tag and virtual operand PHIs except for store copy prop.
5332 2006-03-30 Richard Guenther <rguenther@suse.de>
5334 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5335 variants with double arguments.
5337 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5339 * genpreds.c (write_tm_constrs_h): Delete variable p.
5340 * genconditions.c (write_header): Add tm-constrs.h to included
5342 * genpeep.c (main): Add toplev.h to included headers.
5343 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5344 (build/genpeep.o): Add toplev.h dependency.
5345 * config/rs6000/constraints.md: Add "W" constraint.
5347 2006-03-29 Roger Sayle <roger@eyesopen.com>
5349 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5350 sizes by correctly testing whether the size fits a host integer.
5351 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5352 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5353 SImode range for the default sizetype and bitsizetype.
5355 2006-03-29 Roger Sayle <roger@eyesopen.com>
5357 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5358 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5359 quickly if the argument is already of the correct type.
5360 Call fold_build1 instead of build1. Tidy up blank lines.
5362 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5364 * genemit.c (main): Add tm-constrs.h to included headers.
5365 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5366 * genpeep.c (main): Add tm-constrs.h to included headers.
5367 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5368 (write_tm_constrs_h): this and write complete file.
5369 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5370 (write_insn_preds_c): Add tm-constrs.h to included headers.
5371 (gen_constrs): New variable.
5372 (parse_option): Parse "-c".
5373 (main): Invoke write_tm_constrs_h.
5374 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5375 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5376 (object_out_file): Add tm-constrs.h dependency.
5377 (insn-emit.o): Same.
5378 (insn-output.o): Same.
5379 (insn-peep.o): Same.
5380 (insn-preds.o): Same.
5381 (insn-recog.o): Same.
5382 (tm-constsr.h): New target.
5383 (s-constrs-h): New target.
5385 * config/rs6000/constraints.md: New file.
5386 * config/rs6000/rs6000.c: Include tm-constrs.h.
5387 (num_insn_constant_wide): Convert to satisfies_constraint.
5388 (rs6000_rtx_costs): Convert to satisfies_constraint.
5389 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5390 (CONST_OK_FOR_LETTER_P): Delete.
5391 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5392 (EXTRA_CONSTRAINT): Delete.
5393 (EXTRA_MEMORY_CONSTRAINT): Delete.
5394 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5395 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5396 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5397 satisfies_constraint.
5399 * config/i386/i386.c: Include tm-constrs.h.
5401 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5403 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5404 * tree-data-ref.c (find_data_references_in_loop,
5405 compute_data_dependences_for_loop): Use pointers to VEC.
5406 (analyze_all_data_dependences): Adjust calls.
5407 * tree-data-ref.h (find_data_references_in_loop,
5408 compute_data_dependences_for_loop): Adjust declarations.
5409 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5410 compute_data_dependences_for_loop.
5412 2006-03-29 Paul Brook <paul@codesourcery.com>
5414 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5417 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5419 PR tree-optimization/26859
5420 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5422 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5423 for the step after fold_convert.
5425 2006-03-29 Paul Brook <paul@codesourcery.com>
5427 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5428 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5430 2006-03-29 Paul Brook <paul@codesourcery.com>
5433 * targhooks.c (default_narrow_bitfield): New fuction.
5434 * targhooks.h (default_narrow_bitfield): add prototype.
5435 * target.h (gcc_target): Add narrow_volatile_bitfield.
5436 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5437 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5438 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5439 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5441 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5443 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5445 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5446 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5447 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5448 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5449 (s390_function_arg_float): Allow SDmode and DDmode values to be
5450 passed in floating point registers.
5451 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5452 check with SCALAR_FLOAT_MODE_P.
5453 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5455 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5457 PR tree-optimization/25985
5458 * tree-ssa-loop-niter.c (number_of_iterations_le,
5459 number_of_iterations_ne): Make comments more precise.
5460 (number_of_iterations_cond): Add only_exit argument. Use the
5461 fact that signed variables do not overflow only when only_exit
5463 (loop_only_exit_p): New.
5464 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5465 number_of_iterations_cond.
5467 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5469 PR tree-optimization/26643
5470 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5473 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5475 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5476 (divsi3_i4_int): Likewise.
5478 2006-03-28 Roger Sayle <roger@eyesopen.com>
5480 * expr.c (emit_group_store): Only create a new pseudo reg if the
5481 quantity it needs to hold isn't already a suitable pseudo.
5483 2006-03-28 Jeff Law <law@redhat.com>
5485 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5486 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5488 2006-03-28 Roger Sayle <roger@eyesopen.com>
5490 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5491 the equivalent ~X & Y, and the symmetry related transformations.
5492 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5493 ~X & Y, and symmetry related transforms.
5495 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5497 Revert my 2006-03-27 patches.
5499 2006-03-28 Roger Sayle <roger@eyesopen.com>
5501 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5502 ~(T1)X, when T1 and T2 are integer types of the same precision
5503 and (T2)X isn't an extension.
5505 2006-03-28 Jeff Law <law@redhat.com>
5507 PR tree-optimization/26796
5508 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5509 need EH edge cleanups rather than purging them immediately.
5510 (eliminate_degenerate_phis): Handle queued EH cleanups.
5512 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5514 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5517 2006-03-27 Roger Sayle <roger@eyesopen.com>
5520 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5521 cast BIT_NOT_EXPR operand to the correct type.
5523 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5525 * tree-loop-linear.c: Don't include varray.h.
5526 (gather_interchange_stats, try_interchange_loops,
5527 linear_transform_loops): Use VEC instead of VARRAY.
5528 * lambda-mat.c: Don't include varray.h.
5529 * tree-chrec.c: Same.
5530 * lambda-trans.c: Same.
5531 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5532 VEC instead of VARRAY.
5533 * tree-vectorizer.h: Idem.
5534 * tree-data-ref.c (dump_data_references,
5535 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5536 initialize_data_dependence_relation, finalize_ddr_dependent,
5537 compute_all_dependences, find_data_references_in_loop,
5538 compute_data_dependences_for_loop, analyze_all_data_dependences,
5539 free_dependence_relation, free_dependence_relations,
5540 free_data_refs): Idem.
5541 * tree-data-ref.h (data_reference_p, subscript_p): New.
5542 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5543 VEC instead of VARRAY.
5544 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5545 (find_data_references_in_loop, compute_data_dependences_for_loop,
5546 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5547 dump_data_dependence_relations, free_dependence_relations,
5548 free_data_refs): Adjust declaration.
5549 (lambda_transform_legal_p): Move declaration here...
5550 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5551 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5552 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5553 vect_analyze_data_refs): Use VEC instead of VARRAY.
5554 * lambda.h (lambda_transform_legal_p): ...from here.
5555 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5556 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5557 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5558 tree-chrec.o): Don't depend on VARRAY_H.
5560 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5562 * rtl.def (Copyright): Update date.
5563 (DEPS_LIST): Change type of the second operand to 'int'.
5564 * target.h (Copyright): Update date.
5565 (struct gcc_target.speculate_insn): Change type of the second parameter
5567 * lists.c (Copyright): Update date.
5568 (alloc_DEPS_LIST): Change signature. Update reference to the second
5569 operand of the DEPS_LIST.
5570 (copy_DEPS_LIST_list): Update reference to the second operand of the
5572 * rtl.h (Copyright): Update date.
5573 (alloc_DEPS_LIST): Update signature.
5574 * sched-int.h (Copyright): Update date.
5575 (ds_t): Change typedef to 'int'.
5576 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5578 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5580 * haifa-sched.c (Copyright): Update date.
5581 (try_ready): Change condition to restore non-speculative pattern
5583 (process_insn_depend_be_in_spec): Code to keep probability of the
5584 speculative dependence non-decreasing.
5586 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5588 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5589 shut up the compiler.
5591 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5593 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5594 to use lib prefix for target.
5595 ($(T)libic_invalidate_array_4-200.a): Likewise.
5596 ($(T)libic_invalidate_array_4a.a): Likewise.
5598 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5599 J"orn Rennecke <joern.rennecke@st.com>
5601 * superh.opt: New file.
5602 * sh.c (boardtype, osruntime): Remove.
5603 * superh.h (SUBTARGET_OPTIONS): Remove.
5604 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5606 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5607 arguments with ^ and/or [].
5609 * config.gcc (sh-*-*): Add quoting to account for quirk of
5611 Replace == with = in enable_incomplete_targets test.
5613 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5614 with MASK_LITTLE_ENDIAN.
5616 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5617 * config/sh/sh.opt: Added to some comments.
5618 * config/sh/superh.h: Removed some chaff.
5620 * config/sh/sh.opt: Add m4-[1234]00* options.
5621 * config/sh/sh.c (sh_handle_option): Likewise.
5622 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5623 (ic_invalidate_array_4-100.o): New rule.
5624 ($(T)libic_invalidate_array_4-100.a): Likewise.
5625 (ic_invalidate_array_4-200.o): Likewise.
5626 ($(T)libic_invalidate_array_4-200.a): Likewise.
5627 (ic_invalidate_array_4a.o): Likewise.
5628 ($(T)libic_invalidate_array_4a.a): Likewise.
5629 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5630 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5632 * config/sh/crt1.asm: Merged in profiling code.
5633 * config/sh/superh.h (STARTFILE_SPEC): Override.
5634 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5635 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5636 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5638 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5639 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5640 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5642 * sh.opt (mpretend-cmove): New option.
5643 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5644 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5645 (movsicc): Add TARGET_PRETEND_CMOVE code.
5647 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5649 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5650 s390_class_max_nregs): New function prototypes.
5651 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5652 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5653 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5654 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5656 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5658 * dwarf2out.c (add_location_or_const_value_attribute): Call
5659 tree_add_const_value_attribute if nothing else works.
5660 (reference_to_unused): New.
5661 (rtl_for_decl_init): Use reference_to_unused to decide whether
5662 to output an initializer.
5664 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5667 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5668 peephole removing spe frob_di_df_2.
5670 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5672 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5673 (subscript_dependence_tester_1): Declared.
5674 (print_dir_vectors, print_dist_vectors): New.
5675 (debug_data_dependence_relation): New.
5676 (dump_data_dependence_relation): Print more details.
5677 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5678 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5679 (save_dist_v, save_dir_v, add_outer_distances,
5680 build_classic_dist_vector_1): New.
5681 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5682 Don't test for lambda_vector_lexico_pos.
5683 (same_access_functions, add_multivariate_self_dist,
5684 add_other_self_distances, dir_from_dist): New.
5685 (build_classic_dir_vector): Replace implementation almost identical to
5686 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5688 (subscript_dependence_tester_1): New.
5689 (subscript_dependence_tester): Handle the lexicographically negative
5690 distance vectors by recomputing the dependence relation.
5691 (compute_affine_dependence): Remove parameter loop_nest_depth.
5692 (compute_self_dependence): Don't call compute_subscript_distance.
5693 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5694 Add a parameter for the loop_nest.
5695 (find_loop_nest_1, find_loop_nest): New.
5696 (compute_data_dependences_for_loop): Compute the loop nest, and give
5697 up if the nest is not well formed.
5698 * tree-data-ref.h (loop_p): New.
5699 (struct data_dependence_relation): Replace size_vect field with
5700 loop_nest, a vec of loops.
5701 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5702 (DDR_LOOP_NEST): New.
5703 (print_dir_vectors, print_dist_vectors,
5704 debug_data_dependence_relation): Declared.
5705 (index_in_loop_nest): New.
5706 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5707 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5710 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5712 * simplify-rtx.c (simplify_relational_operation): Call
5713 simplify_relational_operation_1 even if mode is VOIDmode.
5715 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5717 PR tree-optimization/26804
5718 * tree.h (DECL_CALL_CLOBBERED): New macro.
5719 (tree_decl_common): Add call_clobbered_flag.
5720 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5721 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5722 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5723 (mark_non_addressable): Ditto.
5724 * tree-ssa.c (verify_call_clobbered): New function.
5725 (verify_alias_info): Use it.
5726 * tree-pass.h (pass_reset_cc_flags): New prototype.
5727 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5728 (reset_cc_flags): New function.
5729 * passes.c (init_optimization_passes): Call reset_cc_flags after
5730 initializing referenced_vars.
5732 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5733 Roger Sayle <roger@eyesopen.com>
5736 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5737 to 1.0 for non-real operands. Implement A / A optimization for
5740 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5742 * config/i386/i386.c (size_cost): Correct the comment for
5743 cost of storing fp registers.
5744 (i386_cost): Likewise.
5745 (i486_cost): Likewise.
5746 (pentium_cost): Likewise.
5747 (pentiumpro_cost): Likewise.
5748 (k6_cost): Likewise.
5749 (athlon_cost): Likewise.
5750 (k8_cost): Likewise.
5751 (pentium4_cost): Likewise.
5752 (nocona_cost): Likewise.
5753 (generic64_cost): Likewise.
5754 (generic32_cost): Likewise.
5756 2006-03-24 Denis Chertykov <denisc@overta.ru>
5758 * config/avr/avr-protos.h (extra_constraint): Delete.
5759 (extra_constraint_Q): New declaration.
5760 * config/avr/constraints.md: New file.
5761 * config/avr/avr.md: Include it.
5762 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5763 (TMP_REGNO, ZERO_REGNO): Likewise.
5764 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5765 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5766 (extra_constraint): Delete.
5767 (extra_constraint_Q): Test for memory constraint 'Q'.
5768 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5769 (REG_CLASS_FROM_LETTER): Delete.
5770 (CONST_OK_FOR_LETTER_P): Delete.
5771 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5772 (EXTRA_CONSTRAINT): Delete.
5773 (TMP_REGNO): Delete.
5774 (ZERO_REGNO): Delete.
5776 2006-03-24 Jeff Law <law@redhat.com>
5778 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5779 directly. Call mark_new_vars_to_rename slightly earlier.
5781 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5783 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5785 (gen_compile_unit_die): Use new language types for Objective-C and
5787 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5788 DW_LANG_C_plus_plus.
5791 * config/t-darwin (crt3.o): Work around bug 26840.
5792 * config/darwin-crt3.c: Rewrite.
5793 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5795 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5797 * doc/invoke.texi: Document -femit-class-debug-always
5798 * common.opt: Add -femit-class-debug-always.
5800 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5802 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5803 index and base register.
5804 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5805 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5806 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5807 REGNO_OK_FOR_INDEX_P.
5808 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5810 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5811 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5812 REG_OK_FOR_BASE_P): Definitions removed.
5814 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5817 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5818 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5819 set yet or weren't marked as local yet.
5821 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5823 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5826 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5828 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5829 (rs6000_legitimate_small_data_p): Delete.
5830 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5831 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5832 and make static. Add forward declaration. Update uses.
5833 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5834 of offsettable_memref_p.
5835 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5836 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5838 2006-03-24 Jeff Law <law@redhat.com>
5840 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5841 around bug in immediate-use iterator.
5843 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5846 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5847 or __LITTLE_ENDIAN__.
5849 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5851 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5852 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5853 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5854 * config/sh/sh.opt (mdiv=): Amend description.
5855 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5856 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5857 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5858 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5859 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5860 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5861 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5862 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5863 TARGET_DIVIDE_CALL_FP.
5865 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5867 * haifa-sched.c (choose_ready): Fix type of the local variable.
5868 Move local variables. Add comment.
5869 (check_reg_live): Change signature. Make callable from debugger.
5870 * sched-int.h (check_reg_live): Update signature.
5871 * sched-ebb.c (check_reg_live): Update parameters.
5872 * sched-rgn.c (check_reg_live): Ditto.
5873 (region_head_or_leaf_p): Check pointer before dereferencing.
5874 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5875 before reload on optimization levels below 1.
5877 2006-03-23 Richard Henderson <rth@redhat.com>
5879 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5883 * config/alpha/predicates.md (local_symbolic_operand): Reject
5886 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5889 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5890 expressions which have overflowed constants.
5892 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5894 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5896 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5898 * cfgloopmanip.c (create_loop_notes): Removed.
5899 * final.c (final_scan_insn): Do not handle loop notes.
5900 * jump.c (squeeze_notes): Ditto.
5901 * cfglayout.c (skip_insns_after_block,
5902 duplicate_insn_chain): Ditto.
5903 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5905 * cfgloop.h (create_loop_notes): Declaration removed.
5907 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5909 * varasm.c (output_constant_pool): Restore fnname and fndecl
5911 (assemble_start_function): Adjust call accordingly.
5912 (assemble_end_function): Likewise.
5914 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5917 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5920 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5922 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5925 * system.h (ICE_EXIT_CODE): New macro.
5926 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5927 (diagnostic_action_after_output): Likewise.
5928 * gcc.c (fatal_ice): New function.
5929 (execute): Use it instead of fatal.
5930 (fancy_abort): Likewise.
5931 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5933 2006-03-22 Jeff Law <law@redhat.com>
5935 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5936 iv_analyze_result returning false.
5938 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5940 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5942 2006-03-22 Richard Henderson <rth@redhat.com>
5945 * except.c (duplicate_eh_regions_0): New.
5946 (duplicate_eh_region_1): Duplicate the children of the node as
5947 well as the node itself. Link them up properly.
5948 (duplicate_eh_region_2): Merge into ...
5949 (duplicate_eh_regions): ... here. Take copy_region argument, and
5950 copy only a sub-tree if asked. Simplify copying and fixup.
5951 (eh_region_outer_p): New.
5952 * except.h (duplicate_eh_regions): Update decl.
5953 (eh_region_outer_p): Declare.
5954 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5955 (lower_omp_master): Likewise.
5956 (lower_omp_ordered): Likewise.
5957 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5958 (move_stmt_r): Use it to remap labels. Handle recursion vs
5959 remap_decls_p properly.
5960 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5961 (find_outermost_region_in_block): New.
5962 (new_label_mapper): New.
5963 (move_sese_region_to_fn): Copy eh information to the new function
5965 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5967 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5970 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5972 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5973 into shared libraries.
5975 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5977 * doc/md.texi: Refer to i386/constraints.md instead of
5979 * config/i386/constraints.md: New file, extracted from...
5980 * config/i386/predicates.md: ...here.
5981 * config/i386/i386.md: Include constraints.md.
5983 2006-03-21 Jason Merrill <jason@redhat.com>
5985 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5988 * expr.c (init_block_move_fn): Force default visibility.
5989 (init_block_clear_fn): Likewise.
5990 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5991 * targhooks.c (default_external_stack_protect_fail): Likewise.
5993 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5995 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5996 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5997 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5998 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5999 (loadgp): Use mips_current_loadgp_style.
6000 (loadgp_noshared): New pattern.
6001 (sibcall_internal): Use MIPS_CALL.
6002 (sibcall_value_internal): Likewise.
6003 (sibcall_value_multiple_internal): Likewise.
6004 (call_internal): Likewise.
6005 (call_value_internal): Likewise.
6006 (call_value_multiple_internal): Likewise.
6007 (call_split): Use MIPS_CALL and add an 'S' constraint.
6008 (call_value_split): Likewise.
6009 (call_value_multiple_split): Likewise.
6010 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6011 (-mshared): New option.
6012 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6013 (mips_current_loadgp_style): Declare.
6014 * config/mips/mips.c (mips_classify_symbol): Avoid using
6015 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6016 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6017 TARGET_ABSOLUTE_ABICALLS.
6018 (override_options): Adjust comments. Improve the warning that is
6019 issued when -mabicalls and -G are used together.
6020 (mips_file_start): Remove comment.
6021 (mips_current_loadgp_style): New function.
6022 (mips_gnu_local_gp): New variable.
6023 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6025 (mips_output_function_prologue): Use mips_current_laodgp_style.
6026 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6027 the cprestore instruction.
6028 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6029 live for TARGET_ABSOLUTE_ABICALLS.
6030 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6031 (ASM_SPEC): Pass down -mshared and -mno-shared.
6032 (MIPS_CALL): New macro.
6033 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6035 * doc/invoke.texi (-mabicalls): Update documentation.
6036 (-mshared): Document.
6038 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6040 * config/ia64/unwind-hpux.c: New file.
6041 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6043 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6046 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6048 2006-03-21 Jeff Law <law@redhat.com>
6050 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6051 type conversions of a VR_VARYING source to a wider type.
6053 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6055 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6056 tm_file on Solaris 10 and later.
6057 (sparc64-*-solaris2*): Likewise.
6058 (sparc-*-solaris2*): Likewise.
6059 * config/sol26.h: Rename to config/sol2-6.h.
6060 * config/sol2-10.h: New file.
6062 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6065 * tree-ssa-pre.c (create_component_ref_by_pieces):
6068 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6071 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6072 return it immediately.
6074 2006-03-21 Michael Matz <matz@suse.de>
6076 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6078 (remove_arc, add_arc): Update num_out_arcs member.
6079 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6081 (cache_presence): New function.
6082 (compare_states_for_equiv): New function.
6083 (state_is_differed): Don't take number of outargs, adjust callers.
6084 Use new invariant for speeding up.
6085 (init_equiv_class): Create initial classes based on sorted
6087 (partition_equiv_class): Don't track out_arcs_num.
6088 (evaluate_equiv_classes): Call cache_presence on all states and
6091 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6093 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6094 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6095 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6096 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6098 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6099 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6100 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6101 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6102 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6104 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6105 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6106 (REGNO_REG_CLASS): ARGP is in PREGS.
6107 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6109 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6110 to deal with those addresses.
6111 * addresses.h: New file.
6112 * caller-save.c: Include "addresses.h".
6113 (init_caller_save): Use new base_reg_class function.
6114 * rtl-factoring.c: Include "addresses.h".
6115 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6116 * recog.c: Include "addresses.h".
6117 (preprocess_constraints): Use new base_reg_class function.
6118 * regrename.c: Include "addresses.h".
6119 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6120 functions. Keep track of a new var INDEX_CODE to compute valid
6122 (replace_oldest_value_addr): Likewise.
6123 (replace_oldest_value_mem): Use base_reg_class.
6124 * reload.c: Include "addresses.h".
6125 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6126 (find_reloads): Use new base_reg_class function.
6127 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6128 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6129 all callers and prototype changed.
6130 * reload1.c: Include "addresses.h".
6131 (maybe_fix_stack_asms): Use base_reg_class.
6132 * regclass.c: Include "addresses.h".
6133 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6134 (init_reg_autoinc): Use new base_reg_class function.
6135 (record_reg_classes): Likewise.
6136 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6137 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6138 Use new args to compute necessary class.
6140 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6141 regrename.o, rtl-factoring.o): Update dependencies.
6142 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6143 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6144 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6145 REG_OK_FOR_INDEX_P): Delete documentation.
6147 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6149 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6150 from V7 to V9 for Solaris 7 and above.
6152 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6154 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6155 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6156 argument pointers may not alias any other storage.
6157 * common.opt: Define option -fargument-noalias-anything.
6158 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6159 alias semantics is specified by flag_argument_noalias > 2.
6161 2006-03-20 Jeff Law <law@redhat.com>
6163 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6164 (pass_phi_only_cprop): Declare.
6165 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6167 * tree-ssa-dom.c (degenerate_phi_result): New function.
6168 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6169 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6170 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6171 (eliminate_degenerate_phis): Likewise.
6172 (pass_phi_only_cprop): New pass descriptor.
6173 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6174 support code. Callers updated.
6175 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6176 (store_copy_prop): Likewise.
6177 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6179 2006-03-20 Jason Merrill <jason@redhat.com>
6182 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6183 (push_visibility, pop_visibility): Likewise.
6184 * c-pragma.h: Declare them.
6186 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6188 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6190 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6191 parameter and use get_ebb_head_tail.
6192 (sh_md_init_global): Adjust uses of find_regmode_weight.
6194 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6196 * function.h (struct function) <x_tail_recursion_reentry>:
6197 Rename to x_stack_check_probe_note.
6198 (tail_recursion_reentry): Rename to stack_check_probe_note.
6199 * function.c: Replace tail_recursion_reentry with
6200 stack_check_probe_note everywhere.
6201 (expand_function_start): Only emit a note for
6202 stack_check_probe_note with -fstack-protect.
6203 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6205 * emit-rtl.c (remove_unnecessary_notes): Remove.
6206 (pass_remove_unnecessary_notes): Remove.
6207 * rtl.h (remove_unnecessary_notes): Remove prototype.
6208 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6209 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6210 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6212 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6215 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6216 (valid_in_set): Handle ARRAY_REF.
6217 Change "if min_variant or VH" to asserts.
6218 (create_component_ref_by_pieces): Handle ARRAY_REF.
6219 (create_expression_by_pieces): Likewise.
6220 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6222 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6224 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6225 is operand of switch, not str[0].
6227 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6229 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6230 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6232 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6234 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6235 end of insn_extra_address_constraint declaration.
6237 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6239 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6240 (no-sum-in-toc): Same.
6241 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6243 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6244 NO_FP_IN_TOC for -fPIC instead of mask.
6246 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6247 (BOOT_LDFLAGS): Delete.
6249 * config/rs6000/t-aix52: Same.
6251 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6252 (stmsi[345678]_power): New.
6254 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6256 * config/ia64/ia64.opt: Add empty line to end of file.
6258 2006-03-17 Richard Guenther <rguenther@suse.de>
6261 * builtins.c (get_pointer_alignment): For component style references
6262 adjust alignment to the component type alignment. Make sure
6263 to adjust alignment for component access of constants.
6265 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6267 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6270 2006-03-17 Paul Brook <paul@codesourcery.com>
6272 * doc/install.texi: Docuemnt --with-mode.
6273 * config.gcc: Add --with-mode for arm*-*-*.
6274 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6276 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6278 * sh.c (max_labelno_before_reorg): New variable.
6279 (sh_reorg): Initialize it.
6280 (find_barrier): Check max_labelno_before_reorg before using
6281 label_to_alignment. Take length of explicit alignment insns
6282 into account. When seeing a UNSPECV_CONST_END, return it.
6284 * sh.c (fixup_mova): Set mode of affected label to QImode.
6285 (untangle_mova): New function.
6286 (find_barrier): Use it. Check mode of label before decrementing
6288 (sh_reorg): Likewise.
6289 Set mode of all insns back to VOIDmode.
6291 * sh.c (MOVA_LABELREF): New macro.
6292 (mova_p, fixup_mova, sh_reorg): Use it.
6293 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6294 ADDR_DIFF_VEC matches mova.
6296 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6298 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6299 with ATTRIBUTE_UNUSED.
6301 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6303 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6304 pointer, instead of assuming it is possible to derive the
6305 correct args size from a call insn.
6307 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6309 * rtl.h (CONST_INT_P): Define.
6310 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6311 instead of GET_CODE(x) == CONST_INT.
6312 (vax_rtx_costs): Likewise.
6313 (vax_output_int_move): Likewise.
6314 (vax_output_int_add): Likewise.
6315 (legitimate_constant_address_p): Likewise.
6316 (index_term_p): Likewise.
6317 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6318 * config/vax/vax.md (and<mode>3): Likewise.
6319 (ashrsi3): Likewise.
6321 (movstricthi): Likewise.
6322 (movstrictqi): Likewise.
6323 (rotrsi3): Likewise.
6324 (five unnamed insns): Likewise.
6326 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6328 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6329 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6330 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6331 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6332 Pass to ASM_OUTPUT_DWARF_OFFSET.
6333 * dwarf2out.c (debug_frame_section): New.
6334 (output_call_frame_info): Use debug_frame_section. Pass it to
6335 dw2_asm_output_offset.
6336 (output_die): Pass appropriate section to dw2_asm_output_offset.
6337 (output_compilation_unit_header): Likewise.
6338 (output_pubnames): Likewise.
6339 (output_aranges): Likewise.
6340 (enum dw_val_class): Break dw_val_class_lbl_offset into
6341 dw_val_class_lineptr and dw_val_class_macptr.
6342 (add_AT_lbl_offset): Delete.
6343 (add_AT_lineptr): New.
6344 (add_AT_macptr): New.
6345 (AT_lbl): Expect a lineptr or macptr.
6346 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6347 (attr_checksum): Likewise.
6348 (same_dw_val_p): Likewise.
6349 (size_of_die): Likewise.
6350 (value_format): Likewise.
6351 (output_die): Likewise.
6352 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6354 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6355 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6356 * config/darwin-protos.h (darwin_file_start): New.
6357 (darwin_asm_output_dwarf_offset): New.
6358 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6359 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6361 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6362 if not EH section; simplify.
6363 (darwin_file_start): New.
6364 (darwin_asm_output_dwarf_offset): New.
6365 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6367 (DEBUG_INFO_SECTION): Likewise.
6368 (DEBUG_ABBREV_SECTION): Likewise.
6369 (DEBUG_ARANGES_SECTION): Likewise.
6370 (DEBUG_MACINFO_SECTION): Likewise.
6371 (DEBUG_LINE_SECTION): Likewise.
6372 (DEBUG_LOC_SECTION): Likewise.
6373 (DEBUG_PUBNAMES_SECTION): Likewise.
6374 (DEBUG_STR_SECTION): Likewise.
6375 (DEBUG_RANGES_SECTION): Likewise.
6376 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6377 (ASM_OUTPUT_DWARF_OFFSET): New.
6379 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6381 * config.gcc (tm_defines): Always add to previous value rather
6384 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6386 * config/mips/predicates.md (splittable_const_int_operand): New,
6387 split from move_operand.
6388 (splittable_symbolic_operand): New.
6389 (move_operand): Add commentary. Use splittable_const_int_operand.
6390 Inline mips_atomic_symbolic_constant_p.
6391 * config/mips/mips.md: Add combine splitters for handling moves
6392 of splittable_const_int_operands and splittable_symbolic_operands.
6393 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6394 (mips_split_symbol): Declare.
6395 (mips_move_integer): Declare.
6396 * config/mips/mips.c (mips_split_p): Make global.
6397 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6398 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6399 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6400 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6401 (mips_offset_within_object_p): Handle block symbols.
6402 (mips_atomic_symbolic_constant_p): Delete.
6403 (mips_cannot_force_const_mem): Return false for constants that
6404 mips_legitimize_move can handle.
6405 (mips_use_blocks_for_constant_p): New function.
6406 (mips_split_symbol): Make global.
6407 (mips_move_integer): Likewise. Add a temporary register argument.
6408 (mips_legitimize_const_move): Use splittable_const_int_operand and
6409 splittable_symbolic_operand.
6410 (mips_use_anchors_for_symbol_p): New function.
6411 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6412 (mips_split_p): Declare.
6414 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6416 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6417 (mips*-*-linux*): Likewise.
6419 2006-03-16 Roger Sayle <roger@eyesopen.com>
6420 Daniel Speyer <dspeyer@wam.umd.edu>
6423 * tree-dump.c (dump_real): New function.
6424 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6425 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6426 (tree-dump.o): Add $(REAL_H) to the dependencies.
6428 2006-03-16 Roger Sayle <roger@eyesopen.com>
6431 * real.c (real_from_string): If the mantissa is zero, don't bother
6432 parsing the exponent as the result should always be zero.
6434 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6436 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6438 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6440 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6441 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6442 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6443 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6444 ia64_sched_finish_global): New static functions to implement
6445 hooks from gcc_target.sched.
6446 (spec_check_no, max_uid, pending_data_specs): New static variables.
6447 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6448 ia64_spec_check_src_p): New static functions.
6449 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6450 (TARGET_SCHED_ADJUST_COST): Removed.
6451 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6452 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6453 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6454 TARGET_SCHED_GEN_CHECK,
6455 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6456 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6457 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6458 Fixed to handle speculation checks.
6459 (rtx_needs_barrier): Fixed to handle speculative loads and
6461 (ia64_variable_issue): Added code to count speculative loads and their
6463 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6465 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6467 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6469 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6470 (ia64_reorg): Reset stops_p to NULL after it is freed.
6471 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6472 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6473 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6475 (data_speculative, control_speculative, check_load): New attributes.
6476 (mov<mode>_advanced, mov<mode>_speculative,
6477 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6478 zero_extend<mode>di2_speculative,
6479 zero_extend<mode>di2_speculative_advanced): New patterns for
6480 data and control speculative loads.
6481 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6483 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6484 New pattern for data and control speculation checks.
6485 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6486 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6487 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6488 Auxiliary definitions for the patterns.
6489 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6490 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6492 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6494 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6495 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6496 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6497 New resource constraints.
6498 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6500 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6501 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6502 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6503 msched-in-control-spec, msched-ldc, msched-control-ldc,
6504 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6505 msched-prefer-non-control-spec-insns,
6506 msched-count-spec-in-critical-path): New flags to tune speculative
6508 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6509 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6510 msched-in-control-spec, msched-ldc, msched-control-ldc,
6511 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6512 msched-prefer-non-control-spec-insns,
6513 msched-count-spec-in-critical-path): Document new flags.
6515 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6517 * target.h (struct spec_info_def): New opaque declaration.
6518 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6519 speculate_insn, needs_block_p, gen_check,
6520 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6521 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6522 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6523 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6524 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6525 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6527 (TARGET_SCHED): Use new macros.
6528 * rtl.h (copy_DEPS_LIST_list): New prototype.
6529 * sched-int.h (struct sched_info): Change signature of new_ready field,
6530 adjust all initializations. New fields: add_remove_insn,
6531 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6532 region_head_or_leaf_p.
6533 (struct spec_info_def): New structure declaration.
6534 (spec_info_t): New typedef.
6535 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6536 recovery_block, orig_pat.
6537 (glat_start, glat_end): New variables declaraions.
6538 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6540 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6541 DETACH_LIFE_INFO, USE_GLAT.
6542 (enum SPEC_SCHED_FLAGS): New enumeration.
6543 (NOTE_NOTE_BB_P): New macro.
6544 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6545 attach_life_info, debug_spec_status, check_reg_live): New functions.
6546 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6547 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6549 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6550 * ddg.c (get_block_head_tail): Adjust all uses.
6551 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6552 (sms_sched_info): Initialize new fields.
6553 (contributes_to_priority): Removed.
6554 * haifa-sched.c (params.h): New include.
6555 (get_block_head_tail): Adjust all uses.
6556 (ISSUE_POINTS): New macro.
6557 (glat_start, glat_end): New global variables.
6558 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6559 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6560 old_last_basic_block, before_recovery, current_sched_info_var,
6561 rgn_n_insns, luid): New static variables.
6562 (insn_cost1): New function. Move logic from insn_cost to here.
6563 (find_insn_reg_weight1): New function. Move logic from
6564 find_insn_reg_weight to here.
6565 (reemit_notes, move_insn, max_issue): Change signature.
6566 (move_insn1): Removed.
6567 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6568 extend_bb): New static functions to support extension of scheduler's
6570 (generate_recovery_code, process_insn_depend_be_in_spec,
6571 begin_speculative_block, add_to_speculative_block,
6572 init_before_recovery, create_recovery_block, create_check_block_twin,
6573 fix_recovery_deps): New static functions to support
6574 generation of recovery code.
6575 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6576 restore_bb_notes, move_block_after_check, move_succs): New static
6577 functions to support ebb scheduling.
6578 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6579 functions to support handling of register live information.
6580 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6581 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6582 add_jump_dependencies): New static functions.
6583 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6584 consistancy checking.
6585 (debug_spec_status): New function to call from debugger.
6586 (priority): Added code to handle speculation checks.
6587 (rank_for_schedule): Added code to distinguish speculative instructions.
6588 (schedule_insn): Added code to handle speculation checks.
6589 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6590 Fixed to handle ebbs.
6591 (move_insn): Added code to handle ebb scheduling.
6592 (max_issue): Added code to use ISSUE_POINTS of instructions.
6593 (choose_ready): Added code to choose between speculative and
6594 non-speculative instructions.
6595 (schedule_block): Added code to handle ebb scheduling and scheduling of
6596 speculative instructions.
6597 (sched_init): Initialize new variables.
6598 (sched_finish): Free new variables. Print statistics.
6599 (try_ready): Added code to handle speculative instructions.
6600 * lists.c (copy_DEPS_LIST_list): New function.
6601 * sched-deps.c (extend_dependency_caches): New function. Move logic
6602 from create_dependency_caches to here.
6603 (get_dep_weak, ds_merge): Make global.
6604 * genattr.c (main): Code to output prototype for
6605 dfa_clear_single_insn_cache.
6606 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6607 (output_dfa_clean_insn_cache_func): Code to output
6608 dfa_clear_single_insn_cache function.
6609 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6611 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6613 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6614 New static variables.
6615 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6616 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6618 (ebb_sched_info): Initialize new fields.
6619 (get_block_head_tail): Adjust all uses.
6620 (compute_jump_reg_dependencies): Fixed to use glat_start.
6621 (schedule_ebb): Code to remove unreachable last block.
6622 (schedule_ebbs): Added code to update register live information.
6623 * sched-rgn.c (region_sched_info): Initialize new fields.
6624 (get_block_head_tail): Adjust all uses.
6625 (last_was_jump): Removed. Adjust users.
6626 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6627 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6628 Implement new hooks.
6629 (check_dead_notes1): New static function.
6630 (struct region): New fields: dont_calc_deps, has_real_ebb.
6631 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6632 (BB_TO_BLOCK): Fixed to handle EBBs.
6633 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6634 (ebb_head): New static variable.
6635 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6636 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6638 (compute_dom_prob_ps): New assertion.
6639 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6640 global_live_at_start.
6641 (init_ready_list): New assertions.
6642 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6643 (new_ready): Add support for BEGIN_CONTROL speculation.
6644 (schedule_insns): Fixed code that updates register live information
6646 (schedule_region): Fixed to handle EBBs.
6647 (init_regions): Use extend_regions and check_dead_notes1.
6648 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6649 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6650 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6651 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6652 TARGET_SCHED_GEN_CHECK,
6653 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6654 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6655 * doc/invoke.texi (max-sched-insn-conflict-delay,
6656 sched-spec-prob-cutoff): Document.
6658 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6660 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6661 inter_tick, queue_index.
6662 (struct sched_info): Change signature of init_ready_list field.
6663 Adjust all initializations.
6664 (RESOLVED_DEPS): New access macro.
6665 (ready_add): Remove prototype.
6666 (try_ready): Add prototype.
6667 * sched-rgn.c (init_ready_list): Use try_ready.
6668 (schedule_region): Initialize
6669 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6670 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6671 (init_ready_list): Use try_ready.
6672 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6673 * lists.c (remove_list_elem): Remove `static'.
6674 (remove_free_INSN_LIST_elem): New function.
6675 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6676 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6677 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6679 (readyp): New variable.
6680 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6681 change_queue_index, resolve_dep): New static functions.
6682 (try_ready): New function. Adjust callers in sched-rgn.c and
6683 sched-ebb.c to use it instead of ready_add.
6684 (clock_var): Move at the begining of file.
6685 (rank_for_schedule): Fix typo.
6686 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6687 (ready_lastpos): Enforce assertion.
6688 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6690 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6691 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6692 (queue_to_ready): Use free_INSN_LIST_list.
6693 (early_queue_to_ready): Fix typo.
6694 (schedule_block): Init readyp. Move init_ready_list call after the
6695 initialization of clock_var. Fix error in rejecting insn by
6696 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6697 that previously corrected INSN_TICKs. Add code for handling
6699 (set_priorities): Fix typo.
6700 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6701 Clarify comment and code that keeps current_sched_info->next_tail
6704 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6706 * sched-rgn.c (extend_rgns): New static function.
6707 (find_rgns): Use it.
6708 (gather_region_statistics, print_region_statistics): New static
6710 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6711 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6713 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6714 Andrey Belevantsev <abel@ispras.ru>
6716 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6717 * lists.c (unused_deps_list): New variable.
6718 (free_list): Add assertions to verify the proper distinguishing
6719 between INSN_LISTs and DEPS_LISTs.
6720 (find_list_elem, remove_list_elem, remove_list_node): New static
6722 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6723 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6724 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6725 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6727 (free_INSN_LIST_node): Likewise.
6728 * modulo-sched.c (current_sched_info): Initialize flags field.
6729 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6730 * rtl.def (DEPS_LIST): Define.
6731 * rtl.h: Declare new functions from lists.c.
6732 * sched-deps.c (spec_dependency_cache): New static variable.
6733 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6734 (add_dependence): Change return type to void. Move the logic to ...
6735 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6736 (delete_all_dependences): Add comment about forward_dependency_cache.
6737 Handle spec_dependency_cache. Handle DEPS_LISTs.
6738 (fixup_sched_groups): Clarify the change of priority of output
6739 and anti dependencies.
6740 (sched_analyze_2): Adjust add_dependence calls to create data
6741 speculative dependence.
6742 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6743 Adjust all callers. Handle DEPS_LISTS.
6744 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6745 presence of speculation.
6746 (init_dependency_caches, free_dependency_caches):
6747 Handle spec_dependency_cache.
6748 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6749 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6750 New static functions.
6751 (add_or_update_back_dep, add_or_update_back_forw_dep,
6752 add_back_forw_dep, delete_back_forw_dep): New functions.
6753 * sched-int.h (ds_t, dw_t): New typedefs.
6754 (struct sched_info): Add new field flags.
6755 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6756 Prototype new sched-deps.c functions.
6757 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6758 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6759 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6760 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6761 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6762 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6764 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6766 * sched-rgn.c (current_sched_info): Initialize flags field.
6767 (schedule_insns): Initialize current_sched_info before the sched_init
6769 * sched-ebb.c (current_sched_info): Initialize flags field.
6770 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6771 Call add_or_update_back_dep instead of add_dependence.
6772 Create control speculative dependencies.
6773 (schedule_insns): Initialize current_sched_info before the sched_init
6776 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6778 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6780 (sh_fallback_frame_state): Likewise.
6782 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6784 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6785 Do switch on default_use_cxa_atexit.
6786 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6787 * config/darwin-crt3.o: New.
6788 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6789 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6790 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6792 * config/rs6000/t-darwin: Move crt2.o building to here.
6793 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6794 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6797 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6799 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6800 from '! xxx' to '!xxx' for coding-style conformance.
6801 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6802 (EXTRA_CONSTRAINT): Likewise.
6803 * config/vax/vax.md (four unnamed insns): Likewise.
6805 2006-03-15 Paul Brook <paul@codesourcery.com>
6807 * config/arm/arm.c (minipool_pad): New.
6808 (add_minipool_forward_ref): Include pool alignment padding in address
6810 (push_minipool_fix): Set minipool_pad.
6811 (minipool_pad): Ditto.
6813 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6815 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6816 instead of GET_CODE() == MEM and REG_P() instead of
6818 (print_operand_address): Likewise.
6819 (vax_address_cost): Likewise.
6820 (vax_rtx_costs): Likewise.
6821 (vax_notice_update_cc): Likewise.
6822 (vax_output_int_add): Likewise.
6823 (INDEX_REGISTER_P): Likewise.
6824 (BASE_REGISTER_P): Likewise.
6825 (nonindexed_address_p): Likewise.
6826 (vax_mode_dependent_address_p): Likewise.
6827 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6828 (PRINT_OPERAND): Likewise.
6829 * config/vax/vax.md (ashlsi3): Likewise.
6830 (ashlsi3): Likewise.
6831 (some more unnamed insns): Likewise.
6833 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6835 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6836 iterator-style macro.
6837 (mark_control_dependent_edges_necessary): Update the use of
6838 EXECUTE_IF_CONTROL_DEPENDENT.
6840 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6842 * config/sh/predicates.md (cache_address_operand): Special.
6843 (ua_address_operand): Likewise.
6845 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6847 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6849 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6851 2006-03-15 Andreas Schwab <schwab@suse.de>
6853 * gensupport.c (identify_predicable_attribute): Don't free p_false
6854 when it is still in use.
6856 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6858 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6859 the default setting here.
6861 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6863 * tree-pass.h (pass_cfg): Remove.
6864 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6865 * passes.c (pass_cfg): Don't run it.
6867 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6869 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6870 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6872 (stack_regs_mentioned): Update the uses of
6873 stack_regs_mentioned_data. Don't access the array beyond its
6875 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6876 Don't include gt-reg-stack.h.
6878 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6879 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6881 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6884 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6887 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6889 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6891 2006-03-14 Richard Guenther <rguenther@suse.de>
6893 PR tree-optimization/26672
6894 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6897 2006-03-14 Richard Guenther <rguenther@suse.de>
6899 PR tree-optimization/26667
6900 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6901 node for the callees. Always allow inlining if it will shrink
6904 2006-03-14 Richard Guenther <rguenther@suse.de>
6907 * builtins.c (get_pointer_alignment): Prefer alignment
6908 information from decls over that from types.
6910 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6913 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6915 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6917 * config/rs6000/rs6000.opt (mdlmzb): New option.
6918 (msched-prolog, msched-epilog): Use Var not Mask.
6919 * doc/invoke.texi (-mdlmzb): Document.
6920 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6922 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6923 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6925 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6927 PR rtl-optimization/25739
6928 * bt-load.c (augment_live_range): Free tos pointer.
6930 * gensupport.c (identify_predicable_attribute): Free
6932 * gcov.c (create_file_names): Free name pointer.
6934 2006-03-13 Roger Sayle <roger@eyesopen.com>
6937 * stmt.c (emit_case_nodes): Handle the case where the index is a
6938 CONST_INT, where the comparison mode is specified by the index type.
6940 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6942 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6945 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6947 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6948 (*branch_fp_inverted): Likewise.
6950 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6953 * omp-low.c (expand_omp_for_generic): Mark istart0
6954 and iend0 as addressable.
6956 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6958 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6960 2006-03-13 Jeff Law <law@redhat.com>
6962 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6963 virtual operands are interesting.
6964 (vrp_visit_stmt): Corresponding changes.
6966 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6968 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6970 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6971 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6972 * config/bfin/crti.S: Use it instead of __PIC__.
6973 * config/bfin/crtn.S: Likewise.
6975 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6976 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6978 Lose 'G' modifier for call operand.
6979 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6980 recognize 'G' modifier.
6982 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6985 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6986 * stmt.c (expand_case): Likewise.
6988 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6990 PR rtl-optimization/26254
6991 * loop-invariant.c (seq_insns_valid_p): New function.
6992 (move_invariant_reg): Only emit new code if it is valid.
6994 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6996 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6998 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6999 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7000 (commit_one_edge_insertion): Do not look for loop notes.
7002 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7004 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7005 flag_test_coverage out of loop.
7007 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7009 * final.c (shorten_branches): Remove outdated comment, and turn
7010 the if branch that guards it to continue.
7012 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7014 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7015 * cfgloop.h (struct loop): Remove unused fields.
7017 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7019 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7020 (-dL, -fdump-rtl-loop2): Update the dump file names
7022 * doc/invoke.texi: Update dump file names.
7024 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7026 * predict.c (estimate_probability): Remove.
7027 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7028 * basic-block.h (estimate_probability): Remove prototype.
7029 * passes.c (finish_optimization_passes): Dump branch prediction or
7030 profiling heuristics to the .profile tree dump.
7031 (init_optimization_passes): Unqueue pass_branch_prob.
7033 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7035 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7037 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7038 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7040 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7042 * function.h (frame_offset_overflow): Declare.
7043 * function.c (frame_offset_overflow): New function.
7044 (assign_stack_local_1): Call it to detect that the offset overflows.
7045 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7047 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7049 * config/sh/sh.c: Include alloc-pool.h.
7050 (label_ref_list_pool): New alloc pool.
7051 (label_ref_list_t): New type for lists of labels.
7052 (struct pool_node): Make wend a label_ref_list_t.
7053 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7055 (dump_table): Likewise.
7056 (sh_reorg): Set up the alloc pool before using add_constant and
7057 dump_table, and destroy it when finishing.
7059 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7061 * config/mips/mips.c: Remove redundant comment.
7063 2006-03-10 Jason Merrill <jason@redhat.com>
7066 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7067 the target was declared 'register'.
7069 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7071 * genpreds.c (write_insn_constraint_len): Change definition of
7072 insn_constraint_len to return size_t to match the declaration.
7074 2006-03-10 DJ Delorie <dj@redhat.com>
7076 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7078 (m32c_expand_insv): Fix test for an AND mask.
7080 2006-03-10 Richard Guenther <rguenther@suse.de>
7083 * builtins.c (get_pointer_alignment): Handle component
7084 references for field alignment.
7086 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7088 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7089 when building with libgloss.
7090 (sh*elf): Implement --without-fp option.
7091 (sh64-superh-linux*): Don't multilib.
7093 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7095 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7097 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7099 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7100 Set it when one of the replacement functions returned true.
7101 Return TODO_cleanup_cfg if cfgchanged is true.
7102 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7104 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7106 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7107 instead of gen_lowpart.
7109 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7111 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7113 (mips_output_order_conditional_branch): Declare.
7114 * config/mips/mips.h (MIPS_BRANCH): New macro.
7115 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7116 for the comparison. Use gen_condjump.
7117 (mips_output_conditional_branch): Rework interface to take the
7118 asm templates for a direct branch and the inverse of a direct branch.
7119 (mips_output_order_conditional_branch): New function.
7120 (mips_builtin_branch_and_move): New function.
7121 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7122 branch condition. Use gen_single_cc as the condition for
7123 __builtin_mips_upper_* or __builtin_mips_lower_*.
7124 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7125 Use VOIDmode for the branch condition.
7126 * config/mips/predicates.md (order_operator): New predicate.
7127 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7128 (branch_fp): Rename to...
7129 (*branch_fp): ...this. Remove mode from comparison operator.
7130 Use new mips_output_conditional_branch interface.
7131 (branch_fp_inverted): Rename to...
7132 (*branch_fp_inverted): ...this and update as for *branch_fp.
7133 (*branch_zero<mode>): Rename to...
7134 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7135 Use mips_output_order_conditional_branch. Only accept ordered
7137 (*branch_zero<mode>_inverted): Rename to...
7138 (*branch_order<mode>_inverted): ...this and update as for
7139 *branch_order<mode>.
7140 (*branch_equality<mode>): Accept zero as the second operand to
7141 the equality operator. Use the new mips_output_conditional_branch
7143 (*branch_equality<mode>_inverted): Likewise.
7144 (condjump): New expander.
7145 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7147 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7148 (bc1any2t, bc1any2f): Likewise.
7149 (single_cc): New expander.
7150 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7152 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7154 * doc/md.texi: Update documentation of MIPS constraints.
7155 * config/mips/constraints.md: New file.
7156 * config/mips/mips.md: Include it.
7157 * config/mips/mips.c (mips_char_to_class): Delete.
7158 (override_options): Don't initialize mips_char_to_class.
7159 * config/mips/mips.h (mips_char_to_class): Delete.
7160 (REG_CLASS_FROM_LETTER): Delete.
7161 (CONST_OK_FOR_LETTER_P): Delete.
7162 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7163 (EXTRA_CONSTRAINT_Y): Delete.
7164 (EXTRA_CONSTRAINT_STR): Delete.
7165 (CONSTRAINT_LEN): Delete.
7166 (EXTRA_MEMORY_CONSTRAINT): Delete.
7168 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7170 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7171 original fn's eh regions.
7173 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7175 * fold-const.c (build_range_check): Make sure to use a valid type to
7176 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7179 (range_predecessor): New static function.
7180 (range_successor): Likewise.
7181 (merge_ranges): Use them to compute predecessors and successors of
7184 2006-03-09 Roger Sayle <roger@eyesopen.com>
7187 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7188 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7190 2006-03-08 DJ Delorie <dj@redhat.com>
7192 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7193 (addpsi3): Expand to include memory operands. Remove
7194 reload-specific splits.
7195 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7196 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7197 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7198 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7199 (shift1_qi, shift1_hi, insv): New.
7200 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7201 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7202 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7204 * config/m32c/m32c-protos.h: Update as needed.
7205 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7206 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7207 Fail for unrecognized R* constraints.
7208 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7209 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7210 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7212 (m32c_init_libfuncs): New.
7213 (m32c_legitimate_address_p): Add debug wrapper.
7214 (m32c_rtx_costs): New.
7215 (m32c_address_cost): New.
7216 (conversions): Add 'B' prefix.
7217 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7218 operands, or word regnames for QI operands. 'B' prints bit
7220 (m32c_expand_setmemhi): New.
7221 (m32c_expand_movmemhi): New.
7222 (m32c_expand_movstr): New.
7223 (m32c_expand_cmpstr): New.
7224 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7225 (m32c_expand_neg_mulpsi3): Handle non-ints.
7226 (m32c_cmp_flg_0): New.
7227 (m32c_expand_movcc): New.
7228 (m32c_expand_insv): New.
7229 (m32c_scc_pattern): New.
7230 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7231 a0/a1 out of SIregs.
7232 (STORE_FLAG_VALUE): New.
7233 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7236 * config/m32c/mov.md: Make constraints more liberal.
7237 (zero_extendqihi2): Optimize r0/r1 case.
7238 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7239 * config/m32c/predicates.md (m32c_any_operand): New.
7240 (m32c_nonimmediate_operand): New.
7241 (m32c_hl_operand): New.
7242 (m32c_r3_operand): New.
7245 (memsym_operand): New.
7246 (memimmed_operand): New.
7247 (a_qi_operand): New.
7248 (m32c_eqne_operator): New.
7249 (m32c_1bit8_operand): New.
7250 (m32c_1bit16_operand): New.
7251 (m32c_1mask8_operand): New.
7252 (m32c_1mask16_operand): New.
7253 * config/m32c/blkmov.md: New file.
7254 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7256 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7258 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7259 unsigned to fix signed/unsigned comparison issue in
7260 DWARF2_FRAME_REG_OUT.
7261 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7262 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7264 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7265 of ptr into the ENABLE_CHECKING section.
7267 2006-03-08 Jeff Law <law@redhat.com>
7269 * tree-vrp.c (infer_value_range): Only count pointer uses
7270 and dereferences if -fdelete-null-pointer-checks is enabled.
7272 * tree-vrp.c (find_assert_locations): Infer value ranges for
7273 single use pointers, but do not create ASSERT_EXPRs for them.
7274 When a non-null range is inferred for a pointer, backwards
7275 propagate that range to other equivalent pointers through the
7278 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7281 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7282 language hook targets.
7283 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7284 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7285 if language hook targets were missing.
7287 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7289 * tree-ssa-opfinalize.h: Removed.
7290 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7292 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7293 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7294 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7295 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7296 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7297 finalize_ssa_v_must_def_ops): New.
7299 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7301 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7304 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7306 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7308 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7309 addresses with offsets; reorganize.
7311 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7312 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7313 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7315 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7318 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7320 2006-03-08 Ben Elliston <bje@au.ibm.com>
7322 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7324 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7327 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7330 2006-03-07 Richard Guenther <rguenther@suse.de>
7332 PR tree-optimization/26587
7333 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7335 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7337 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7339 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7341 * hooks.c (hook_bool_mode_rtx_true): New function.
7342 * hooks.h (hook_bool_mode_rtx_true): Declare.
7343 * toplev.c (compile_file): Call output_shared_constant_pool.
7344 * varasm.c (shared_constant_pool): New variable.
7345 (assemble_start_function, assemble_end_function): Remove arguments
7346 from call to output_constant_pool.
7347 (create_constant_pool): New function, split out from...
7348 (init_varasm_status): ...here.
7349 (force_const_mem): Choose between the shared and per-function constant
7350 pools. Set current_function_uses_const_pool when reusing old entries
7351 as well as when creating new ones.
7352 (mark_constant): Ignore data argument.
7353 (mark_constants): Remove pool argument.
7354 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7355 to decide whether the function uses a constant pool.
7356 (output_constant_pool_contents): New function, split out from...
7357 (output_constant_pool): ...here.
7358 (output_shared_constant_pool): New function.
7359 (init_varasm_once): Initialize shared_constant_pool.
7360 * output.h (output_constant_pool): Delete.
7361 (output_shared_constant_pool): Declare.
7362 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7363 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7365 2006-03-06 Nick Clifton <nickc@redhat.com>
7367 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7368 flag_strength_reduce.
7370 2006-03-06 Ben Elliston <bje@au.ibm.com>
7372 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7373 x86_64-*-linux* configurations.
7375 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7376 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7378 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7380 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7382 * basic-block.h: Remove the extern for
7383 rediscover_loops_after_threading.
7385 * cfgloop.c (cancel_loop): Make it static.
7386 * cfgloop.h: Remove the prototype for cancel_loop.
7388 * flow.c (recompute_reg_usage): Make it static.
7389 * rtl.h: Remove the prototype for recompute_reg_usage.
7391 * function.c (use_return_register): Make it static.
7392 * function.h: Remove the prototype.
7394 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7396 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7398 * recog.h: Remove the prototype for
7399 validate_change_maybe_volatile.
7401 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7403 * rtlanal.c (replace_reg): Remove.
7404 * rtl.h: Remove the prototype for replace_reg.
7406 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7408 * regclass.c (reg_scan_update): Remove.
7409 (reg_scan_mark_refs): Remove the last argument.
7410 * rtl.h: Remove the prototype for reg_scan_update.
7412 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7414 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7415 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7416 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7417 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7418 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7419 loop-invariant.c, omp-low.c, opts.c, passes.c,
7420 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7421 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7422 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7423 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7424 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7425 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7427 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7429 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7430 * dwarf2out.h: Remove the prototype for
7431 dwarf2out_add_library_unit_info.
7433 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7435 * tree.c (add_var_to_bind_expr): Remove.
7436 * tree.h: Remove the prototype for add_var_to_bind_expr.
7438 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7440 * regclass.c (n_non_fixed_regs): Remove.
7441 (init_reg_sets_1, globalize_reg): Remove all uses of
7443 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7445 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7447 * rtlanal.c (insns_safe_to_move_p): Remove.
7448 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7450 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7452 * expmed.c (expand_mult_add): Remove.
7453 * expr.h: Remove the prototype for expand_mult_add.
7455 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7457 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7458 and REG_SAVED_VAL_EXP constants.
7459 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7460 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7461 Handle regs stored by value.
7462 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7463 (execute_cfa_program): Handle DW_CFA_val_offset,
7464 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7465 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7466 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7467 (uw_install_context_1): Handle target regs stored by value.
7469 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7471 * tree-sra.c (tree_sra): Return todoflags;
7472 (generate_one_element): Set TODO_update_smt_usage if needed.
7473 (pass_sra): Remove TODO_update_smt_usage.
7474 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7476 (tree_ssa_forward_propagate_single_use_vars): Return
7477 TODO_update_smt_usage if we need to update SMT usage.
7478 (pass_forwprop): Remove TODO_update_smt_usage.
7480 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7482 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7483 (correct_use_link): Remove reference to get_stmt_operands.
7484 (update_stmt_operands): Likewise.
7485 (get_modify_expr_operands): New function factored out of
7486 parse_ssa_operands and get_expr_operands.
7487 Try to create V_MUST_DEFs for LHS by default.
7488 (get_expr_operands) <case MODIFY_EXPR>: Call
7489 get_modify_expr_operands.
7490 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7491 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7492 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7493 get_modify_expr_operands.
7495 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7497 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7498 * tree-flow.h: Remove the prototype for
7499 referenced_var_lookup_if_exists.
7501 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7503 PR rtl-optimization/26345
7505 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7507 2006-03-03 Roger Sayle <roger@eyesopen.com>
7509 PR tree-optimization/26524
7510 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7511 fold_convert to create a constant of the appropriate type.
7513 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7515 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7516 SYMBOL_REF_IN_BLOCK_P.
7517 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7518 of SYMBOL_FLAG_IN_BLOCK.
7519 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7520 instead of SYMBOL_REF_IN_BLOCK_P.
7521 * explow.c (use_anchored_address): Likewise.
7522 * rtl.c (rtx_size): Likewise.
7523 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7524 instead of SYMBOL_FLAG_IN_BLOCK.
7525 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7526 SYMBOL_REF_IN_BLOCK_P.
7527 (assemble_variable): Likewise.
7528 (output_constant_def_contents): Likewise.
7529 (output_constant_pool): Likewise.
7530 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7531 instead of SYMBOL_FLAG_IN_BLOCK.
7532 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7533 SYMBOL_REF_IN_BLOCK_P.
7534 (SYMBOL_REF_BLOCK): Likewise.
7535 (SYMBOL_REF_OFFSET): Likewise.
7536 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7537 SYMBOL_REF_IN_BLOCK_P.
7538 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7539 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7540 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7541 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7543 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7545 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7547 2006-03-02 Roger Sayle <roger@eyesopen.com>
7549 * simplify-rtx.c (simplify_unary_operation): When simplifying
7550 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7551 that we perform the right shift in the appropriate mode, and
7552 then extend or truncate the result to requested mode.
7554 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7556 * gengtype.c (main): Handle double_int type.
7557 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7558 * double-int.c: New file.
7559 * double-int.h: New file.
7560 * system.h: Include doubleint.h.
7561 * Makefile.in (SYSTEM_H): Include double-int.h.
7562 (double-int.o): Add.
7564 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7567 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7570 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7572 * tree-vrp.c (remove_range_assertions): Do not update statements
7575 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7577 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7579 * gcse.c (rest_of_handle_gcse): Ditto.
7580 * except.c (gate_handle_eh): Ditto.
7581 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7582 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7584 2006-03-02 Eric Christopher <echristo@apple.com>
7586 * config/i386/i386.c (machopic_output_stub): Add indirection to
7589 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7593 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7595 Sun Niagara specific optimizations.
7596 * config.gcc: Recognize niagara as target.
7597 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7598 (TARGET_CPU_niagara): Define.
7599 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7600 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7601 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7602 (ASM_CPU_SPEC): Likewise.
7603 (PROCESSOR_NIAGARA): New enum entry.
7604 (REGISTER_MOVE_COST): Handle Niagara.
7605 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7606 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7607 (sparc_override_options): Recognize "niagara", set appropriate
7608 default MASK_* values for it, and align functions to 32-bytes
7609 by default just like ULTRASPARC/ULTRASPARC3.
7610 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7611 (sparc64_initialize_trampoline): Likewise.
7612 (sparc_use_sched_lookahead): Use zero for niagara.
7613 (sparc_issue_rate): Use one for niagara.
7614 * config/sparc/niagara.md: New file.
7615 * config/sparc/sparc.md: Include it.
7616 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7617 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7618 when default cpu is niagara.
7619 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7620 (ASM_CPU_SPEC): Likewise.
7621 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7622 when default cpu is niagara.
7623 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7624 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7625 just like v9/ultrasparc/ultrasparc3.
7626 * doc/invoke.texi: Add documentation for "niagara" and improve
7627 existing documentation for ultrasparc variants.
7629 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7631 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7633 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7635 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7636 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7637 and say that only one is needed.
7638 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7639 * target.h (have_switchable_bss_sections): New hook.
7640 * explow.c (use_anchored_address): Check that the symbol is in a block.
7641 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7642 (bss_noswitch_section): New variables.
7643 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7644 (get_noswitch_section): New function.
7645 (get_block_for_section): Allow SECT to be null.
7646 (unlikely_text_section_p): Use SECTION_STYLE.
7647 (bss_initializer_p): New function.
7648 (get_variable_section): Move earlier in file. Take a new argument,
7649 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7650 Return one of the new *_sections in such cases.
7651 (get_block_for_decl): New function, extracting some logic from
7652 use_blocks_for_decl_p.
7653 (change_symbol_section): Remove in favor of...
7654 (change_symbol_block): ...this new function.
7655 (use_blocks_for_decl_p): Remove checks now performed by
7657 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7658 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7659 (emit_local, emit_bss, emit_common): ...these new functions.
7660 Return true if the alignment was honored.
7661 (emit_tls_common): New function.
7662 (asm_emit_uninitialised): Delete.
7663 (assemble_variable_noswitch): New function, split out from...
7664 (assemble_variable): ...here. Don't make decisions about common
7665 variables here. Globalize all public decls that go into non-common
7666 sections. Check whether SYMBOL_REF_BLOCK is null.
7667 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7668 (output_constant_pool): Likewise.
7669 (init_varasm_once): Initialize the new section variables.
7670 (have_global_bss_p): New function.
7671 (categorize_decl_for_section): Use bss_initializer_p.
7672 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7673 (place_block_symbol): Assert that the symbol must be in a block.
7674 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7675 (TARGET_INITIALIZER): Include it.
7676 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7677 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7678 (SECTION_MACH_DEP): Bump by two.
7679 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7680 (unnamed_section): Mention SECTION_UNNAMED in comment.
7681 (named_section): Likewise SECTION_NAMED.
7682 (noswitch_section_callback): New type.
7683 (noswitch_section): New structure.
7684 (section): Add a noswitch_section alternative.
7685 (SECTION_STYLE): New macro.
7686 (tls_comm_section, comm_section, lcomm_section): Declare.
7687 (bss_noswitch_section, have_global_bss_p): Declare.
7688 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7689 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7691 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7692 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7695 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7697 * tree-vrp.c (execute_vrp): Return value.
7698 * regrename.c (rest_of_handle_regrename): Ditto.
7699 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7700 * tree-complex.c (tree_lower_complex): Ditto.
7701 (tree_lower_complex_O0): Ditto.
7702 * tracer.c (rest_of_handle_tracer): Ditto.
7703 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7704 * postreload.c (rest_of_handle_postreload): Ditto.
7705 * tree-tailcall.c (execute_tail_recursion): Ditto.
7706 (execute_tail_calls): Ditto.
7707 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7708 * tree.h (init_function_for_compilation): Ditto.
7709 * ipa-cp.c (ipcp_driver): Ditto.
7710 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7711 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7712 * final.c (compute_alignments): Ditto.
7713 (rest_of_handle_final): Ditto.
7714 (rest_of_handle_shorten_branches): Ditto.
7715 (rest_of_clean_state): Ditto.
7716 * omp-low.c (execute_expand_omp): Ditto.
7717 (execute_lower_omp): Ditto.
7718 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7719 * ipa-reference.c (static_execute): Ditto.
7720 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7721 * reorg.c (rest_of_handle_delay_slots): Ditto.
7722 (rest_of_handle_machine_reorg): Ditto.
7723 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7724 * flow.c (recompute_reg_usage): Ditto.
7725 (rest_of_handle_remove_death_notes): Ditto.
7726 (rest_of_handle_life): Ditto.
7727 (rest_of_handle_flow2): Ditto.
7728 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7729 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7730 (do_ssa_store_ccp): Ditto.
7731 (execute_fold_all_builtins): Ditto.
7732 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7733 * modulo-sched.c (rest_of_handle_sms): Ditto.
7734 * ipa-pure-const.c (static_execute): Ditto.
7735 * cse.c (rest_of_handle_cse): Ditto.
7736 (rest_of_handle_cse2): Ditto.
7737 * web.c (rest_of_handle_web): Ditto.
7738 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7739 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7740 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7741 * tree-nrv.c (tree_nrv): Ditto.
7742 (execute_return_slot_opt): Ditto.
7743 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7744 (create_structure_vars): Ditto.
7745 * loop-init.c (rtl_loop_init): Ditto.
7746 (rtl_loop_done): Ditto.
7747 (rtl_move_loop_invariants): Ditto.
7748 (rtl_unswitch): Ditto.
7749 (rtl_unroll_and_peel_loops): Ditto.
7750 (rtl_doloop): Ditto.
7751 * gimple-low.c (lower_function_body): Ditto.
7752 (mark_used_blocks): Ditto.
7753 * tree-ssa-sink.c (execute_sink_code): Ditto.
7754 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7755 (cgraph_early_inlining): Ditto.
7756 * global.c (rest_of_handle_global_alloc): Ditto.
7757 * jump.c (cleanup_barriers): Ditto.
7758 (purge_line_number_notes): Ditto.
7759 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7760 (rest_of_handle_if_after_reload): Ditto.
7761 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7762 (tree_ssa_loop_im): Ditto.
7763 (tree_ssa_loop_unswitch): Ditto.
7764 (tree_vectorize): Ditto.
7765 (tree_linear_transform): Ditto.
7766 (tree_ssa_loop_ivcanon): Ditto.
7767 (tree_ssa_empty_loop): Ditto.
7768 (tree_ssa_loop_bounds): Ditto.
7769 (tree_complete_unroll): Ditto.
7770 (tree_ssa_loop_prefetch): Ditto.
7771 (tree_ssa_loop_ivopts): Ditto.
7772 (tree_ssa_loop_done): Ditto.
7773 * predict.c (tree_estimate_probability): Ditto.
7774 * recog.c (split_all_insns_noflow): Ditto.
7775 (rest_of_handle_peephole2): Ditto.
7776 (rest_of_handle_split_all_insns): Ditto.
7777 * tree-eh.c (lower_eh_constructs): Ditto.
7778 * regmove.c (rest_of_handle_regmove): Ditto.
7779 (rest_of_handle_stack_adjustments): Ditto.
7780 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7781 * function.c (instantiate_virtual_regs): Ditto.
7782 (init_function_for_compilation): Ditto.
7783 (rest_of_handle_check_leaf_regs): Ditto.
7784 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7785 (rest_of_handle_gcse): Ditto.
7786 * ipa-type-escape.c (type_escape_execute): Ditto.
7787 * alias.c (rest_of_handle_cfg): Ditto.
7788 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7789 * profile.c (rest_of_handle_branch_prob): Ditto.
7790 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7791 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7792 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7793 * tree-dfa.c (find_referenced_vars): Ditto.
7794 * except.c (set_nothrow_function_flags): Ditto.
7795 (convert_to_eh_region_ranges): Ditto.
7796 (rest_of_handle_eh): Ditto.
7797 * emit-rtl.c (unshare_all_rtl): Ditto.
7798 (remove_unnecessary_notes): Ditto.
7799 * except.h (set_nothrow_function_flags): Ditto.
7800 (convert_to_eh_region_ranges): Ditto.
7801 * cfgexpand.c (tree_expand_cfg): Ditto.
7802 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7803 * tree-ssa-pre.c (do_pre): Ditto.
7804 (execute_fre): Ditto.
7805 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7806 (rest_of_handle_jump2): Ditto.
7807 * tree-sra.c (tree_sra): Ditto.
7808 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7809 (execute_mudflap_function_decls): Ditto.
7810 * tree-ssa-copy.c (do_copy_prop): Ditto.
7811 (do_store_copy_prop): Ditto.
7812 * ipa-prop.h (ipcp_driver): Ditto.
7813 * cfglayout.c (insn_locators_initialize): Ditto.
7814 * tree-ssa-forwprop.c
7815 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7816 * cfglayout.h (insn_locators_initialize): Ditto.
7817 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7818 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7819 (execute_late_warn_uninitialized): Ditto.
7820 * rtl.h (cleanup_barriers): Ditto.
7821 (split_all_insns_noflow): Ditto.
7822 (purge_line_number_notes): Ditto.
7823 (unshare_all_rtl): Ditto.
7824 (remove_unnecessary_notes): Ditto.
7825 (recompute_reg_usage): Ditto.
7826 (variable_tracking_main): Ditto.
7827 * integrate.c (emit_initial_value_sets): Ditto.
7828 * integrate.h (emit_initial_value_sets): Ditto.
7829 * tree-optimize.c (execute_free_datastructures): Ditto
7830 (execute_free_cfg_annotations): Ditto.
7831 (execute_fixup_cfg): Ditto.
7832 (execute_cleanup_cfg_pre_ipa): Ditto.
7833 (execute_cleanup_cfg_post_optimizing): Ditto.
7834 (execute_init_datastructures): Ditto.
7835 * tree-object-size.c (compute_object_sizes): Ditto.
7836 * combine.c (rest_of_handle_combine): Ditto.
7837 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7838 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7839 (rest_of_handle_reorder_blocks): Ditto.
7840 (rest_of_handle_partition_blocks): Ditto.
7841 * var-tracking.c (variable_tracking_main): Ditto.
7842 * tree-profile.c (tree_profiling): Ditto.
7843 * tree-vect-generic.c (expand_vector_operations): Ditto.
7844 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7845 * sched-rgn.c (rest_of_handle_sched): Ditto.
7846 (rest_of_handle_sched2): Ditto.
7847 * basic-block.h (free_bb_insn): Ditto.
7848 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7849 * tree-cfg.c (execute_build_cfg): Ditto.
7850 (remove_useless_stmts): Ditto.
7851 (split_critical_edges): Ditto.
7852 (execute_warn_function_return): Ditto.
7853 (execute_warn_function_noreturn): Ditto.
7854 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7855 * cfgrtl.c (free_bb_for_insn): Ditto.
7856 * passes.c (execute_one_pass): Run additional
7857 todos returned by execute function.
7858 * tree-pass.h (struct tree_opt_pass): Make execute
7861 2006-03-02 Richard Guenther <rguenther@suse.de>
7863 * tree-ssa-alias.c (find_used_portions): Consider taking
7864 the address as making the variable not write-only.
7866 2006-03-02 Nick Clifton <nickc@redhat.com>
7868 * config.gcc (default_use_cxa_atexit): Extend the description of
7869 this configure variable. Set its default value to "yes" for
7870 Linux, NetBSD and ELF targets on the assumption that they will
7871 use C libraries with the __cxa_atexit function.
7873 2006-03-02 Ben Elliston <bje@au.ibm.com>
7875 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7876 parameter as unused to suppress a build warning.
7878 2006-03-02 Ben Elliston <bje@au.ibm.com>
7880 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7883 2006-03-01 Roger Sayle <roger@eyesopen.com>
7886 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7887 declared name, the weak reference name, and the typeof name.
7888 (__gthrw): Avoid expanding the declared name suffix.
7889 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7891 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7893 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7895 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7896 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7897 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7898 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7899 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7900 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7901 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7902 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7903 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7904 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7905 (DW_END_default, DW_END_big, DW_END_little): New.
7906 (DW_END_lo_user, DW_END_hi_user): Define.
7907 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7908 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7909 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7912 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7914 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7916 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7918 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7920 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7922 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7923 to 'symbol_mem_tag'.
7925 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7928 2006-03-01 Roger Sayle <roger@eyesopen.com>
7930 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7932 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7935 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7936 MACHO_DYNAMIC_NO_PIC_P.
7937 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7939 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7942 * config/darwin-protos.h (darwin_asm_output_anchor):
7944 * config/darwin-sections.def (cstring_section):
7945 Add SECTION_MERGE to the flags.
7946 (literal4_section): Likewise.
7947 (literal8_section): Likewise.
7948 (objc_selector_refs_section): Likewise.
7949 (objc_cls_refs_section): Likewise.
7950 * config/darwin.c (darwin_asm_output_anchor): New
7952 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7954 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7956 Fix PR tree-optimization/26443
7957 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7958 to todo and PROP_tmt_usage to properties_destroyed.
7959 * tree-ssa-ccp.c (pass_ccp): Ditto.
7960 (pass_store_ccp): Ditto.
7961 * tree-ssa-dom.c (pass_dominator): Ditto.
7963 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7965 * tree-ssa-operands.c: Cleanup whitespace.
7966 (get_asm_expr_operands): Move before first invocation.
7967 (get_indirect_ref_operands): Likewise.
7968 (get_tmr_operands): Likewise.
7969 (get_call_expr_operands): Likewise.
7970 (append_def): Likewise.
7971 (append_use): Likewise.
7972 (append_v_may_def): Likewise.
7973 (append_v_must_def): Likewise.
7974 (add_call_clobber_ops): Likewise.
7975 (add_call_read_ops): Likewise.
7976 (add_stmt_operand): Likewise.
7977 (add_virtual_operand): Likewise.
7978 (build_ssa_operands): Likewise.
7980 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7985 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7986 with a call expr to ...
7987 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7989 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7991 * tree-vrp.c (extract_range_from_assert): Remove special
7992 handling for types with super-types.
7994 2006-03-01 Ben Elliston <bje@au.ibm.com>
7996 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7997 and powerpc64-*-linux* configurations.
7998 * config/t-dfprules: New file.
8000 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8001 Compile dfp-bit.c from the source directory using -DWIDTH and
8002 $DFP_CFLAGS to control the compilation of that file, rather than
8003 generating width-specific versions in the build directory.
8004 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8005 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8007 2006-02-28 Zack Weinberg <zackw@panix.com>
8009 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8012 2006-02-28 Eric Christopher <echristo@apple.com>
8014 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8015 Set up IN_LIBGCC definition of TARGET_64BIT.
8016 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8018 2006-02-28 Roger Sayle <roger@eyesopen.com>
8021 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8022 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8023 cases via the construction of "expr != 0".
8025 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8027 * alias.c (alias_invariant, alias_invariant_size): Remove.
8028 (record_base_value): Remove.
8029 (memrefs_conflict_p): Don't look at alias_invariant.
8030 (end_alias_analysis): Don't free it.
8031 * alias.h (record_base_value): Remove prototype.
8033 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8034 Adam Nemet <anemet@caviumnetworks.com>
8036 * rtl.h (truncated_to_mode): Declare it.
8037 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8038 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8039 (RTL_HOOKS_INITIALIZER): Include it.
8040 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8041 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8042 reg_truncated_to_mode.
8043 * rtlanal.c (truncated_to_mode): Define it.
8044 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8046 2006-02-28 Jeff Law <law@redhat.com>
8048 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8049 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8050 the range allowed by TYPE_PRECISION.
8052 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8054 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8056 PR tree-optimization/26419
8057 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8060 2006-02-27 Zack Weinberg <zackw@panix.com>
8062 * doc/md.texi: Fix typo in previous change.
8064 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8068 2006-02-27 Zack Weinberg <zackw@panix.com>
8070 * rtl.def (define_constraint, define_register_constraint)
8071 (define_memory_constraint, define_address_constraint): New MD forms.
8072 * gensupport.c (process_rtx): Put define_constraint etc on the
8074 * genpreds.c (process_define_predicate): Adjust comment. Validate
8075 the name, and call validate_exp to validate the expression.
8076 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8077 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8078 all callers changed.
8079 (validate_exp, needs_variable, struct constraint_data)
8080 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8081 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8082 (const_dbl_constraints, constraint_max_namelen)
8083 (have_register_constraints, have_memory_constraints)
8084 (have_address_constraints, have_address_constraints)
8085 (have_extra_constraints, have_const_int_constraints)
8086 (have_const_dbl_constraints, mangle, add_constraint)
8087 (process_define_constraint, process_define_register_constraint)
8088 (write_enum_constraint_num, write_lookup_constraint)
8089 (write_insn_constraint_len, write_regclass_for_constraint)
8090 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8091 (write_insn_extra_memory_constraint)
8092 (write_insn_extra_address_constraint)
8093 (write_satisfies_constraint_fns): New.
8094 (write_tm_preds_h): If we have new-style constraint definitions,
8095 prototype the functions generated from them, and define the
8096 old constraint interface (still used by generic code) in terms of
8098 (write_insn_preds_c): If we have new-style constraint definitions,
8099 generate all relevant functions from those definitions.
8100 (main): Handle define_constraint etc.
8101 * genoutput.c (struct constraint_data, indep_constraints)
8102 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8103 (mdep_constraint_len): New data structures and functions, defined
8104 #ifdef USE_MD_CONSTRAINTS.
8105 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8106 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8107 use new logic to validate operand constraints against constraint
8109 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8111 * defaults.h: If none of the old-style constraint macros are
8112 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8113 old-style macros; and poison REG_CLASS_FROM_LETTER,
8114 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8116 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8117 * doc/md.texi: Document new constraint-definition mechanism and the
8118 C interface it provides. Remove references to old mechanism
8119 elsewhere in the document.
8120 (Machine Constraints): Use pathnames relative to gcc directory,
8121 i.e. config/ARCH/FILE. Change i386 section to refer to
8122 config/i386/predicates.md; update that section to match docstrings.
8123 * doc/tm.texi: Move all documentation of the old constraint-
8124 definition macros to their own section, clearly mark as obsolete.
8126 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8127 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8129 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8130 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8131 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8133 (splits and peepholes): Use satisfies_constraint_*.
8134 * config/i386/i386.c (memory_address_length)
8135 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8137 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8139 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8140 scalar operation to be put back into the loop.
8142 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8145 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8146 (extract_cie_info): Handle S flag in augmentation string.
8147 (execute_cfa_program): If context->signal_frame, execute also
8148 fs->pc == context->ra instructions.
8149 (uw_frame_state_for): If context->signal_frame, don't subtract one
8150 from context->ra to find FDE.
8151 (uw_update_context_1): Set context->signal_frame to
8153 (_Unwind_GetIPInfo): New function.
8154 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8155 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8157 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8158 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8159 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8160 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8161 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8162 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8163 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8164 x86_64_fallback_frame_state): Set fs->signal_frame.
8165 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8166 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8167 (frob_update_context): Likewise. Workaround missing S flag in
8168 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8169 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8170 Remove the psw_addr + 1 hack.
8172 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8174 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8175 with aggregates here.
8176 (find_func_aliases): Remove code for &<aggregate> from here.
8178 2006-02-26 Roger Sayle <roger@eyesopen.com>
8180 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8181 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8182 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8185 2006-02-26 Roger Sayle <roger@eyesopen.com>
8188 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8190 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8192 * opts.c (decode_options): Do not handle flag_strength_reduce.
8193 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8194 and OPT_fstrength_reduce.
8195 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8196 flag_prefetch_loop_arrays for being nonzero.
8197 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8199 (fprefetch-loop-arrays-rtl): Removed.
8200 (flag_prefetch_loop_arrays): Do not specify the value.
8202 * doc/passes.texi: Update documentation of loop optimizer
8204 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8205 -frerun-loop-opt): Remove.
8207 2006-02-26 Richard Guenther <rguenther@suse.de>
8209 PR tree-optimization/26421
8210 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8211 in function calls that are ADDR_EXPRs as using the whole structure.
8213 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8215 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8216 * tree-pass.h (pass_loop_optimize): Remove.
8217 * passes.c (pass_loop_optimize): Never run it.
8218 * toplev.c (backend_init): Don't call init_loop.
8219 * opts.c (flag_loop_optimize_set): Remove.
8220 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8221 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8222 the old RTL loop optimizer when profiling enabled.
8223 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8224 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8225 pre-headers for the sake of the old RTL loop optimizer.
8226 * Makefile.in: Remove all references to loop.o.
8228 * doc/invoke.texi: Remove all references to -floop-optimize
8229 and -frerun-loop-opt.
8231 2006-02-26 Zack Weinberg <zackw@panix.com>
8233 * doc/md.texi (Machine Constraints): Refer to all files with paths
8234 relative to gcc directory (i.e. config/CPU/file). Add missing
8235 @table @code ... @end table to M32C subsection.
8237 2006-02-26 Roger Sayle <roger@eyesopen.com>
8239 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8241 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8243 2006-02-26 Roger Sayle <roger@eyesopen.com>
8244 James A. Morrison <phython@gcc.gnu.org>
8247 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8248 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8249 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8250 signedness of the shift operation.
8252 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8254 PR tree-optimization/26359
8255 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8257 2006-02-25 Roger Sayle <roger@eyesopen.com>
8259 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8260 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8261 as X == 0, and some symmetry related transformations.
8262 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8264 2006-02-25 Roger Sayle <roger@eyesopen.com>
8267 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8268 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8269 symmetry related transformations. Fold (X^C1) == C2 as
8272 2006-02-25 Juergen Weigert <jw@suse.de>
8273 Richard Guenther <rguenther@suse.de>
8275 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8277 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8279 * combine.c (gen_lowpart_or_truncate): Call
8280 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8282 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8284 * doc/invoke.texi: Move -fopenmp description to "Options for
8286 Remove reference to -lgomp.
8288 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8290 * doc/install.texi: Require GNU tar version 1.14.
8292 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8294 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8295 * doc/invoke.texi (C++ Dialect Options): Document
8296 -fno-use-cxa-get-exception-ptr.
8297 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8298 * configure: Regenerate.
8299 * c.opt (fuse-cxa-get-exception-ptr): New.
8300 * c-opts.c (c_common_handle_option): Handle
8301 OPT_fuse_cxa_get_exception_ptr.
8302 * c-common.c (flag_use_cxa_atexit): Update documentation.
8303 (flag_use_cxa_get_exception_ptr): New.
8304 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8305 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8307 (C_COMMON_OVERRIDE_OPTIONS): New.
8309 2006-02-24 Roger Sayle <roger@eyesopen.com>
8312 * combine.c (try_combine): Explicitly check whether GET_CODE is
8313 a SET or a CLOBBER, instead on checking that it isn't a USE.
8315 2006-02-24 Roger Sayle <roger@eyesopen.com>
8317 * fold-const.c (fold_comparison): New subroutine of fold_binary
8318 containing transformations common to both the equality and
8319 ordering relational operators, factored out of fold_binary.
8320 (fold_binary): Separate out the equality operators (EQ_EXPR
8321 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8322 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8323 transformations common to both.
8324 (fold_div_compare): Fix latent bugs in the previously unreachable
8325 LT_EXPR and GE_EXPR cases.
8327 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8329 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8330 decl libname for clog to __clog on AIX.
8332 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8334 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8337 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8338 output traceback table for thunks. Localise rs6000_stack_info call.
8340 2006-02-23 Roger Sayle <roger@eyesopen.com>
8341 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8343 * gthr-posix.h (__gthrw): Fix typo in comment.
8345 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8347 * doc/cpp.texi (Character sets): Document that we do support
8348 input files to be in any character set.
8350 2006-02-23 Jeff Law <law@redhat.com>
8352 * tree.h (PHI_ARG_NONZERO): Remove.
8353 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8354 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8355 node to the new node.
8357 PR tree-optimization/26425
8358 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8359 min/max, then assume its varying.
8361 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8363 PR rtl-optimization/26316
8364 * rtlanal.c (enum may_trap_p_flags): New.
8365 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8366 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8367 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8368 (may_trap_after_code_motion_p): New function.
8369 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8370 (find_invariant_insn): Use may_trap_after_code_motion_p.
8371 * rtl.h (may_trap_after_code_motion_p): Declare.
8373 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8375 * emit-rtl.c (immed_double_const): Cleanup.
8377 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8379 Fix PR tree-optimization/26376
8380 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8383 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8386 * gimplify.c (omp_add_variable): Guard variable size decl test with
8387 DECL_SIZE (decl) check.
8389 2006-02-23 Richard Guenther <rguenther@suse.de>
8392 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8393 like aggregate types.
8395 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8397 * configure.ac: Add --with{,out}-long-double-128 configure option.
8398 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8399 * configure: Rebuilt.
8400 * config.in: Rebuilt.
8401 * doc/install.texi (Options specification): Document
8402 --with-long-double-128.
8404 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8405 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8406 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8407 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8409 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8411 * config/s390/s390.c (override_options): Handle
8412 TARGET_DEFAULT_LONG_DOUBLE_128.
8414 * config/alpha/alpha.c (override_options): Handle
8415 TARGET_DEFAULT_LONG_DOUBLE_128.
8417 * config/sparc/sparc.c (sparc_override_options): Handle
8418 TARGET_DEFAULT_LONG_DOUBLE_128.
8420 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8422 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8423 (real-install-headers-tar, real-install-headers-cpio)
8424 (real-install-headers-cp): New targets.
8426 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8428 * tree.h (variable_section): Delete.
8429 * varasm.c (variable_section): Delete.
8431 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8433 * install.texi: Add notes on install.texi2html.
8434 (Building in parallel): Do not use footnotes.
8436 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8439 * doc/install.texi (Configuration): Document --disable-libgomp.
8441 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8443 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8445 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8447 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8448 (vec_extractv2df_0_sse): New.
8450 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8452 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8453 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8454 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8455 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8456 to the result of the expression.
8457 (def_cfa_1): Adjust.
8458 (frame_pointer_cfa_offset): Rename to...
8459 (frame_pointer_fb_offset): ... this. Adjust all uses.
8460 (convert_cfa_to_loc_list): Rename to...
8461 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8462 Pass it on to build_cfa_loc.
8463 (compute_frame_pointer_to_cfa_displacement): Rename to...
8464 (compute_frame_pointer_to_fb_displacement): ... this. New
8465 offset parameter. Use it in computation.
8466 (gen_subprogram_die): Compute cfa_fb_offset with the new
8467 macro, and use it to compute the fb loc list and the
8470 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8472 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8473 replaced with register_operand.
8474 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8475 non-DREG is expensive.
8476 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8477 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8480 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8482 * doc/install.texi2html: Use set -e.
8484 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8486 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8487 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8488 * doc/invoke.texi (-fshared-data): Delete.
8489 * common.opt (fshared-data): Delete.
8490 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8491 (assemble_static_space): Remove #if 0 code.
8492 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8493 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8494 * config/cris/cris.h: Remove FIXME.
8496 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8498 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8501 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8504 * combine.c (simplify_shift_const_1): Disable nested shifts
8505 optimization for vector shifts.
8507 2006-02-20 Roger Sayle <roger@eyesopen.com>
8509 PR tree-optimization/26361
8510 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8511 of unsigned integer types.
8513 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8515 * tree-chrec.c (eq_evolutions_p): New.
8516 * tree-chrec.h (eq_evolutions_p): Declared.
8517 * tree-data-ref.c: Fix formatting.
8518 (datadep_stats, dependence_stats): New.
8520 (print_direction_vector): New.
8521 (dump_data_dependence_relation): Use print_direction_vector.
8522 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8523 (compute_subscript_distance): Static.
8524 (initialize_data_dependence_relation): Static. Get the number
8525 of loops surrounding the references from the callers, and initialize
8526 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8527 base_object_differ_p analyzers.
8528 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8529 compute_overlap_steps_for_affine_1_2,
8530 analyze_subscript_affine_affine): Count the classified dependences.
8531 Print a message when a test failed.
8532 (can_use_analyze_subscript_affine_affine): New.
8533 (analyze_siv_subscript): Compute the data dependences on symbolic
8534 scevs that verify can_use_analyze_subscript_affine_affine.
8535 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8536 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8537 Handle symbolic scevs.
8538 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8540 (subscript_dependence_tester): Moved...
8541 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8542 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8543 DDR_SIZE_VECT instead of getting it in parameter.
8544 (subscript_dependence_tester): ... here. Take as a parameter
8545 loop_nest_depth. Call build_classic_dist_vector and
8546 build_classic_dir_vector.
8547 (compute_affine_dependence): Update subscript_dependence_tester
8548 parameters. Update datadep_stats counters. Call
8549 compute_subscript_distance.
8550 (compute_self_dependence): Save the dist and dir vectors. Call
8551 compute_subscript_distance.
8552 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8553 (compute_all_dependences): Reorder parameters as they were before
8554 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8555 compute_subscript_distance. Update the use of
8556 compute_affine_dependence and initialize_data_dependence_relation.
8557 (find_data_references_in_loop): Handle COMPONENT_REF.
8558 (compute_data_dependences_for_loop): Initialize dependence_stats.
8559 Don't call build_classic_dist_vector and build_classic_dir_vector.
8560 Update the parameters of initialize_data_dependence_relation and
8561 compute_all_dependences. Print the statistics from datadep_stats.
8562 (analyze_all_data_dependences): Static. Not used until the pass for
8563 checking the data dependences is contributed.
8564 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8565 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8566 (initialize_data_dependence_relation, compute_affine_dependence,
8567 analyze_all_data_dependences, compute_subscript_distance): Removed.
8568 (print_direction_vector): New.
8569 * lambda.h (gcd): ... here.
8570 (lambda_vector_gcd): Moved here from gcd_vector.
8571 * lambda-code.c (gcd, gcd_vector): Removed.
8572 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8573 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8575 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8577 * ipa-type-escape.c: Tidy some comments and white space.
8578 * tree-ssa-operands.c: Likewise.
8580 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8583 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8584 (dump_decl_name): Do not walk the decl tree chains.
8585 * tree-pass.h (TDF_CHAIN): Remove.
8587 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8589 * Makefile.in (C): Remove
8591 (.PHONY): Remove C and PROTO
8593 2006-02-20 Roger Sayle <roger@eyesopen.com>
8596 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8597 deprecated CHAR_TYPE tree code.
8599 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8601 * configure.ac (target_list): Add install-info, dvi, html.
8602 * configure: Regenerate.
8604 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8605 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8606 treelang/Make-lang.in: Do not use double-colon rules.
8608 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8610 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8611 (TMT_USED_ALONE): New macro.
8612 * tree-pass.h (PROP_tmt_usage): New property.
8613 (TODO_update_tmt_usage): New todo.
8614 * tree-ssa-alias.c (updating_used_alone): New variable.
8615 (recalculate_used_alone): New function.
8616 (compute_may_aliases): Set updating_used_alone, call
8617 recalculate_used_alone.
8618 * tree-sra.c (pass_sra): Note that this pass destroys
8619 PROP_tmt_usage, and add TODO_update_tmt_usage.
8620 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8621 * tree-flow.h (updating_used_alone): Prototype.
8622 (recalculate_used_alone): Ditto.
8623 * passes.c (execute_todo): Add code to set updating_used_alone,
8624 and call recalculate.
8625 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8626 for clobber if used alone, and add assert to verify used_alone
8629 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8631 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8632 for non tls symbols added.
8633 (legitimize_address): Do nothing for PLUS expressions if one of the
8634 addends is a tls symbol reference.
8636 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8640 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8642 * Makefile.in (BOOTSTRAPPING): New.
8643 (quickstrap): New definition if BOOTSTRAPPING=yes.
8645 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8646 * configure.ac: Substitute all_selected_languages with the languages
8647 that were configured. For all the other variables except
8648 lang_specs_files, include all the languages in the tree.
8649 * configure: Regenerate.
8651 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8652 if there is one. Run the commands to run fixincludes in the same
8655 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8656 * doc/install.texi: Document exact conventions for searching target tools.
8657 Document --with-build-time-tools. Document toplevel bootstrap. Document
8658 something more about building an Ada cross-compiler. Don't list GNU Make
8659 requirements which affect all platforms.
8661 2006-02-19 Roger Sayle <roger@eyesopen.com>
8664 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8665 only equivalent if the have both the same mode and precision.
8667 2006-02-20 Ben Elliston <bje@au.ibm.com>
8669 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8671 2006-02-19 Roger Sayle <roger@eyesopen.com>
8672 Steven Bosscher <stevenb.gcc@gmail.com>
8674 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8675 constant pool references to identify stack mode constants.
8676 * rtlanal.c (constant_pool_constant_p): New predicate to check
8677 whether operand is a floating point constant in the pool.
8678 * rtl.h (constant_pool_constant_p): Prototype here.
8679 * loop.c (scan_loop): Avoid hoisting constants from the constant
8680 pool on STACK_REGS targets.
8681 (load_mems): Likewise.
8682 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8683 loads into x87 registers expensive in terms of register pressure.
8685 2006-02-19 Roger Sayle <roger@eyesopen.com>
8687 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8688 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8690 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8692 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8693 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8695 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8697 * doc/invoke.texi: Document -fipa-pta.
8698 * common.opt: Add ipa-pta option.
8699 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8700 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8701 (do_ds_constraint): Ditto.
8702 (get_constraint_for): Only add to referenced_vars if
8703 referenced_vars exists.
8704 (insert_into_field_list): Rewrite to do this unsorted.
8705 (insert_into_field_list_sorted): Rename old insert_into_field_list
8707 (create_function_info_for): Use insert_into_field_list_sorted.
8708 (create_variable_info_for): Rewrite so it uses unsorted version,
8709 since the field list is sorted.
8710 (intra_create_variable_infos): Only add to referenced_vars if
8711 referenced_vars exists.
8712 (ipa_pta_execute): Init heapvars, and delete when done.
8713 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8715 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8717 * doc/install.texi: Add missing `@samp'.
8719 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8721 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8724 2006-02-18 Mark Wielaard <mark@klomp.org>
8726 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8727 who added new 4.1 features, bug fixes and integration support.
8729 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8732 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8735 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8737 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8738 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8739 (copy_insn_1): Likewise. Don't copy each field individually.
8741 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8743 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8744 * rtl.c (rtx_size): Rename variable to...
8745 (rtx_code_size): ...this.
8746 (rtx_size): New function.
8747 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8748 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8750 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8751 * rtl.h (rtx_code_size): New variable.
8752 (rtx_size): Change from a variable to a function.
8753 (RTX_SIZE): Rename to...
8754 (RTX_CODE_SIZE): ...this.
8757 PR tree-optimization/17106
8758 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8759 (Anchored Addresses): New section.
8760 * doc/invoke.texi (-fsection-anchors): Document.
8761 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8762 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8763 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8764 * hooks.c (hook_bool_mode_rtx_false): New function.
8765 * hooks.h (hook_bool_mode_rtx_false): Declare.
8766 * gengtype.c (create_optional_field): New function.
8767 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8768 SYMBOL_REF_IN_BLOCK_P is true.
8769 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8770 (min_anchor_offset, max_anchor_offset): Likewise.
8771 (use_anchors_for_symbol_p): New hook.
8772 * toplev.c (compile_file): Call output_object_blocks.
8773 (target_supports_section_anchors_p): New function.
8774 (process_options): Check that -fsection-anchors is only used on
8775 targets that support it and when -funit-at-a-time is in effect.
8776 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8777 if the decl doesn't have one.
8778 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8779 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8780 of force_const_mem through use_anchored_address.
8781 (expand_expr_constant): New function.
8782 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8783 calling expand_expr for INDIRECT_REF.
8784 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8785 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8786 * expr.h (use_anchored_address): Declare.
8787 * loop-unroll.c: Don't declare rtx vectors here.
8788 * explow.c: Include output.h.
8789 (validize_mem): Call use_anchored_address.
8790 (use_anchored_address): New function.
8791 * common.opt (-fsection-anchors): New switch.
8792 * varasm.c (object_block_htab, anchor_labelno): New variables.
8793 (hash_section, object_block_entry_eq, object_block_entry_hash)
8794 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8795 (use_blocks_for_decl_p, change_symbol_section): New functions.
8796 (get_variable_section): New function, split out from assemble_variable.
8797 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8798 use_blocks_for_decl_p say so. Use change_symbol_section if the
8799 symbol has already been created.
8800 (assemble_variable_contents): New function, split out from...
8801 (assemble_variable): ...here. Don't output any code for
8802 block symbols; just pass them to place_block_symbol.
8803 Use get_variable_section and assemble_variable_contents.
8804 (get_constant_alignment, get_constant_section, get_constant_size): New
8805 functions, split from output_constant_def_contents.
8806 (build_constant_desc): Create a block symbol if use_object_blocks_p
8807 says so. Or into SYMBOL_REF_FLAGS.
8808 (assemble_constant_contents): New function, split from...
8809 (output_constant_def_contents): ...here. Don't output any code
8810 for block symbols; just pass them to place_section_symbol.
8811 Use get_constant_section and get_constant_alignment.
8812 (force_const_mem): Create a block symbol if use_object_blocks_p and
8813 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8814 (output_constant_pool_1): Add an explicit alignment argument.
8815 Don't switch sections here.
8816 (output_constant_pool): Adjust call to output_constant_pool_1.
8817 Switch sections here instead. Don't output anything for block symbols;
8818 just pass them to place_block_symbol.
8819 (init_varasm_once): Initialize object_block_htab.
8820 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8821 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8822 (place_block_symbol, get_section_anchor, output_object_block)
8823 (output_object_block_htab, output_object_blocks): New functions.
8824 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8825 (TARGET_ASM_OUT): Include it.
8826 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8827 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8828 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8829 (TARGET_INITIALIZER): Include them.
8830 * rtl.c (rtl_check_failed_block_symbol): New function.
8831 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8832 (block_symbol, object_block): New structures.
8833 (rtx_def): Add a block_symbol field to the union.
8834 (BLOCK_SYMBOL_CHECK): New macro.
8835 (rtl_check_failed_block_symbol): Declare.
8836 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8837 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8838 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8839 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8840 * output.h (output_section_symbols): Declare.
8841 (object_block): Name structure.
8842 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8843 (default_use_anchors_for_symbol_p): Declare.
8844 * Makefile.in (RTL_BASE_H): Add vec.h.
8845 (explow.o): Depend on output.h.
8846 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8847 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8848 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8849 (rs6000_use_blocks_for_constant_p): New function.
8851 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8853 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8855 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8858 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8861 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8863 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8867 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8870 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8871 instead of DECL_REGISTER.
8873 2006-02-18 Olivier Hainque <hainque@adacore.com>
8876 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8878 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8881 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8882 * opth-gen.awk: Handle Var and InverseMask together.
8883 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8884 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8885 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8886 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8888 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8889 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8890 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8891 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8892 LINUX_DYNAMIC_LINKER): Define.
8893 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8894 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8896 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8897 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8898 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8899 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8900 (TARGET_C99_FUNCTIONS): Don't define.
8901 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8902 GLIBC_DYNAMIC_LINKER.
8903 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8904 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8905 GLIBC_DYNAMIC_LINKER64): Define.
8906 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8907 LINUX_DYNAMIC_LINKER64.
8908 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8909 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8910 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8911 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8912 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8913 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8914 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8915 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8916 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8917 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8918 and LINUX_DYNAMIC_LINKER32.
8919 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8920 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8921 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8922 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8923 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8925 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8926 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8927 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8928 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8929 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8930 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8931 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8932 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8933 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8934 LINUX_DYNAMIC_LINKER): Define.
8935 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8936 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8937 GLIBC_DYNAMIC_LINKER64): Define.
8938 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8939 LINUX_DYNAMIC_LINKER64.
8940 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8941 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8942 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8943 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8944 LINUX_DYNAMIC_LINKER): Define.
8945 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8946 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8947 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8948 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8949 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8950 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8951 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8952 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8953 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8954 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8955 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8956 * doc/invoke.texi (-muclibc): Remove caveat about supported
8959 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8961 * doc/cpp.texi (__TIMESTAMP__): Document.
8963 2006-02-17 Roger Sayle <roger@eyesopen.com>
8966 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8967 C is one less than the width of X (and related transformations).
8968 * simplify-rtx.c (simplify_unary_operation_1): Transform
8969 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8970 depending on STORE_FLAG_VALUE, were C is one less then the
8973 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8975 Fix PR tree-optimization/26341
8976 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8977 about NAME_MEMORY_TAG's.
8979 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8982 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8983 with hardware float support, and software float support. Add fcpy
8984 alternative to hardware patterns. Add alternatives to copy between
8985 general and floating-point registers to the 32-bit pattern.
8986 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8987 secondary reload to load a QI or HI mode constant into a floating
8989 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8990 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8992 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8995 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8997 (load_macho_picbase_di): Likewise.
8999 2006-02-16 Jeff Law <law@redhat.com>
9001 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9002 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9003 (ssa_name_nonzero_p): Likewise.
9004 (get_value_range): Return NULL if VRP is not running.
9005 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9006 VRP routines do not discover a range.
9007 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9008 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9009 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9010 (tree_expr_nonnegative_p): Similarly.
9011 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9012 (restore_nonzero_vars_to_original_value): Remove.
9013 (unsafe_associative_fp_binop): Remove.
9014 (tree_ssa_dominator_optimize): Remove initialization and
9015 finalization of nonzero_vars and nonzero_vars_stack.
9016 (dom_opt_initialize_block): No longer push marker on
9018 (dom_opt_finalize_block): No longer call
9019 restore_nonzero_vars_to_original_value.
9020 (record_equivalences_from_phis): No longer look for
9021 nonzero PHI arguments.
9022 (cprop_into_successor_phis): No longer propagate nonzero
9023 property into PHI arguments. Lose unused argument. Caller
9025 (record_equivalences_from_stmt): No longer record nonzero
9026 values for SSA_NAMEs.
9027 (lookup_avail_expr): No longer use nonzero_vars.
9029 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9030 for sizetype when sizetype is unsigned.
9032 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9034 PR rtl-optimization/25603
9035 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9036 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9037 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9038 with new meaning of SETS.
9040 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9045 * config/linux.opt: New file.
9046 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9047 LINUX_DYNAMIC_LINKER): Define.
9048 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9049 * config.gcc (*-*-linux*): Define extra_options.
9050 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9051 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9052 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9053 GLIBC_DYNAMIC_LINKER.
9054 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9055 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9056 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9057 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9058 * doc/invoke.texi (GNU/Linux Options): New section.
9060 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9062 * config/sparc/sparc.md (setjmp): Rewrite.
9063 (setjmp_32): Delete.
9064 (setjmp_64): Likewise.
9066 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9068 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9071 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9073 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9076 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9078 PR rtl-optimization/26296
9079 * Makefile.in (loop-invariant.c): Add except.h dependency.
9080 * loop-invariant.c: Include except.h.
9081 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9083 2005-02-16 Paul Brook <paul@codesourcery.com>
9085 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9088 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9090 PR rtl-optimization/25636
9091 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9092 when deciding whether an insn is an initializing insn.
9094 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9096 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9097 (tree_code_size): Ditto.
9098 * tree.h (struct tree_memory_tag): Remove parent_var.
9099 (struct tree_struct_field_tag): New.
9102 (union tree_node): Add sft member.
9103 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9105 (create_sft): Add size and offset argument, set SFT_OFFSET and
9107 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9108 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9109 * tree-flow-inline.h (get_subvar_at): Update for
9110 SFT_OFFSET/SFT_SIZE.
9111 (var_can_have_subvars): Ditto.
9112 (overlap_subvar): Ditto.
9113 * print-tree.c (print_node): Print out interesting things for
9115 * tree-flow.h (struct subvar): Remove offset and size members.
9116 * tree-ssa-operands.c (get_expr_operands): Update for
9117 get_indirect_ref_operands changes.
9118 (get_indirect_ref_operands): Call add_virtual_operand instead of
9119 add_stmt_operand. Only recurse on base var if requested.
9120 (access_can_touch_variable): New function.
9121 (add_stmt_operand): Split virtual operand handling into ...
9122 (add_virtual_operand): Here. Add offset, size, and for_clobber
9123 arguments. Prune alias sets.
9124 (add_call_clobber_ops): Call add_virtual_operand.
9126 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9129 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9131 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9132 than TREE_CODE as index into omp_clause_num_ops array.
9134 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9136 PR rtl-optimization/26184
9137 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9139 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9140 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9141 must_precede, must_follow and tobe_scheduled.
9144 * opts.c (common_handle_option): Free new_option pointer.
9145 * df-core.c (df_analyze): Free postorder pointer.
9147 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9149 * Makefile.in: Fix the examples about the use of stamps
9151 2006-02-15 Michael Matz <matz@suse.de>
9155 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9156 influenced by maximum_field_alignment or DECL_PACKED.
9157 (update_alignment_for_field): Ditto.
9158 (place_field): Ditto.
9159 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9162 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9164 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9165 (debug_flow_info): Pass it.
9166 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9167 * bb-reorder.c (reorder_basic_blocks): Likewise.
9168 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9169 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9170 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9171 * gcse.c (gcse_main, bypass_jumps): Likewise.
9172 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9173 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9174 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9175 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9176 * rtl.h (dump_flow_info): Adjust prototype.
9177 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9178 * var-tracking.c (variable_tracking_main): Likewise.
9179 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9180 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9183 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9185 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9188 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9190 PR tree-optimization/26209
9191 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9192 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9194 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9196 2006-02-14 Roger Sayle <roger@eyesopen.com>
9199 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9200 (X,Y) and the corresponding symmetry related transformations.
9201 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9202 (X,Y) and its symmetry related transformations.
9204 2006-02-14 Roger Sayle <roger@eyesopen.com>
9206 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9209 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9211 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9213 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9216 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9217 support COMDAT group.
9218 * configure: Regenerate.
9220 2006-02-14 Roger Sayle <roger@eyesopen.com>
9225 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9227 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9229 Fix PR tree-optimization/26260
9231 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9233 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9234 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9235 * tree-ssa-structalias.c (create_variable_info_for): Use
9236 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9238 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9240 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9242 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9243 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9244 of the ending condition.
9245 * tree-ssa-loop-manip.c: Include params.h.
9246 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9247 tree_unroll_loop): New functions.
9248 * tree-pass.h (pass_loop_prefetch): Declare.
9249 * loop.c (rest_of_handle_loop_optimize): Test for
9250 -fprefetch-loop-arrays-rtl.
9251 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9252 * timevar.def (TV_TREE_PREFETCH): New timevar.
9253 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9254 pass_loop_prefetch): New.
9255 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9256 (cleanup_tree_cfg_loop): Call scev_reset.
9257 * common.opt (fprefetch-loop-arrays-rtl): Add.
9258 * tree-ssa-loop-prefetch.c: New file.
9259 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9260 (new_temp_expr_table): Initialize expr_vars.
9261 (free_temp_expr_table): Cleanup expr_vars.
9262 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9263 expressions from being merged into one.
9264 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9265 (struct tree_niter_desc): Add control, bound and cmp fields.
9266 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9268 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9269 (tree-cfgcleanup.o): Add SCEV_H dependency.
9270 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9271 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9273 2006-02-14 Richard Guenther <rguenther@suse.de>
9275 PR tree-optimization/26258
9276 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9277 in PHI argument processing.
9279 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9281 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9282 new expression in the requested machine mode.
9284 2006-02-13 Roger Sayle <roger@eyesopen.com>
9286 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9287 directly, instead let do_compare_rtx_and_jump handle this for us.
9288 * expr.c (expand_expr_real_1): Likewise.
9289 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9290 before do_jump_by_parts_greater.
9291 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9292 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9294 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9296 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9298 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9300 PR rtl-optimization/26235
9301 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9302 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9305 2006-02-13 Jeff Law <law@redhat.com>
9307 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9310 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9313 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9314 twice if decl is a builtin. When trying again, call get_callee_fndecl
9315 first to verify it is still a builtin.
9317 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9319 * dwarf2out.c (base_type_die): Don't add AT_name here.
9320 (subrange_type_die): Don't add AT_name here.
9321 (modified_type_die): Rearrange code flow. Do add AT_name here.
9323 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9325 PR rtl-optimization/26247
9326 PR rtl-optimization/26248
9327 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9329 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9331 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9332 * config/fixtfdi.c: Likewise.
9333 * config/fixunstfdi.c: Likewise.
9334 * config/floatditf.c: Likewise.
9336 2006-02-13 Roger Sayle <roger@eyesopen.com>
9339 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9340 into (X,C2) if C1 is a subset of the bits of C2. Transform
9341 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9343 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9345 2006-02-13 Josh Conner <jconner@apple.com>
9348 * varasm.c (function_section): Check for section name before
9349 calling select_section on targets that define
9350 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9351 unlikely_text_section instead of hot_function_section if
9352 first_function_block_is_cold.
9354 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9357 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9359 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9361 PR rtl-optimization/26222
9362 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9363 after tree->rtl expansion.
9364 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9365 before passing it to emit_move_insn.
9367 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9369 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9371 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9372 Clarify documentation.
9373 * c-common.h (warn_write_strings): Remove.
9374 * c-common.c (warn_write_strings): Likewise.
9375 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9378 2006-02-12 Roger Sayle <roger@eyesopen.com>
9381 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9382 (do_jump_parts_zero_rtx): New function renamed from
9383 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9384 (do_jump_parts_equality_rtx): New function split out from
9385 do_jump_parts_equality. Old implementation renamed as above.
9386 Call do_jump_parts_zero_rtx if either operand is zero.
9387 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9388 do all of the heavy lifting.
9389 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9390 calling either do_jump_by_parts_greater_rtx or
9391 do_jump_by_parts_equality_rtx.
9392 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9393 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9394 moved to do_compare_rtx_and_jump, call it directly.
9395 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9396 mode argument. Call do_compare_rtx_and_jump.
9397 (emit_case_nodes): Update calls to do_jump_if_equal.
9399 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9401 PR rtl-optimization/26225
9402 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9404 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9406 PR rtl-optimization/26232
9407 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9409 2006-02-11 Jason Merrill <jason@redhat.com>
9412 * tree-inline.c (declare_return_variable): Just don't use the
9413 modify target if it's a gimple complex reg and the return slot
9416 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9418 * doc/contrib.texi: Update my entry.
9420 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9422 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9424 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9426 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9429 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9431 * doc/invoke.texi (-floop-optimize2): Removed.
9432 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9433 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9434 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9435 * common.opt (floop-optimize2): Removed.
9436 (fmove-loop-invariants): Enabled by default.
9438 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9440 * tree-if-conv.c (combine_blocks): Free the result of
9441 get_loop_exit_edges.
9443 2006-02-10 Jeff Law <law@redhat.com>
9445 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9447 PR tree-optimization/26213
9448 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9449 loop trying to follow SSA_NAME_VALUE chains.
9451 2006-02-10 Richard Guenther <rguenther@suse.de>
9453 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9454 deal with structures that end in implicitly variable sized arrays.
9456 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9458 PR rtl-optimization/24762
9459 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9462 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9464 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9465 (struct ivopts_data): Add regs_used field.
9466 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9467 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9468 instead of loop_data->regs_used;
9469 (free_loop_data): Do not free aux fields for loops.
9470 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9471 and tree_ssa_iv_optimize_finalize.
9473 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9475 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9477 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9480 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9481 computing the effective result type.
9483 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9486 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9487 (tree_overlaps_hard_reg_set): Declare.
9488 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9489 type and signature to match function type expected by walk_tree.
9490 (tree_overlaps_hard_reg_set): New function.
9491 (decl_conflicts_with_clobbers_p): Rename to:
9492 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9493 Use tree_overlaps_hard_reg_set. Changed caller.
9494 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9495 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9496 * cris.c (cris_md_asm_clobbers): Likewise.
9498 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9500 * reload1.c (emit_input_reload_insns): Delete code that tries to
9501 inherit using find_equiv_reg.
9503 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9505 * c-common.h (flag_const_strings): Don't declare.
9506 * c-common.c (flag_const_strings): Remove.
9507 * c.opt (fconst_strings): Remove.
9508 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9509 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9510 (c_common_init_options): Don't set flag_const_strings.
9511 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9513 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9515 * arm.md (tlobits_cbranch): New pattern.
9516 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9517 testing a single bit.
9519 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9522 * tree-ssa-pre.c (create_component_ref_by_pieces):
9523 Handle RETURN_DECL like VAR_DECL.
9525 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9528 * fold-const.c (fold_indirect_ref_1): Fold
9529 "*(foo *)&complexfoo" to "__real__ complexfoo"
9530 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9532 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9534 * tree-flow-inline.h (var_can_have_subvars):
9535 Volatile variables should not have subvariables.
9537 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9540 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9541 multiplying unsigned values.
9544 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9546 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9548 2006-02-08 Jason Merrill <jason@redhat.com>
9551 * tree.def: Elaborate on difference from MODIFY_EXPR.
9552 * doc/c-tree.texi (INIT_EXPR): Likewise.
9553 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9554 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9555 (gimplify_target_expr): Likewise.
9556 (gimplify_cond_expr): Remove target handling.
9557 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9558 (gimplify_expr): Clobber it here.
9559 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9560 Do return slot optimization if we have an INIT_EXPR.
9563 * tree-inline.c (declare_return_variable): Also clear
9564 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9567 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9570 * gimplify.c (gimplify_one_sizepos): Fix typo.
9572 2006-02-08 Jeff Law <law@redhat.com>
9574 PR tree-optimization/21417
9575 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9576 across a backedge if the control statement at the end of the
9577 block is data dependent on other statements in the same block.
9578 (record_temporary_equivalences_from_stmts): Remove over-conservative
9579 test for threading across backedges.
9581 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9582 control statement, handle all three special cases in the same
9583 manner as they all have the same desired solution. No longer
9584 special case edge flag updating when the post dominator is
9587 2006-02-08 Roger Sayle <roger@eyesopen.com>
9589 * tree.def (CHAR_TYPE): Remove.
9590 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9591 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9592 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9593 (gen_string_type_die): Delete unreachable function.
9595 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9596 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9597 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9598 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9599 * builtins.c (type_to_class): Likewise.
9600 * fold-const.c (fold_convert, build_range_check,
9601 merge_ranges): Likewise.
9602 * expr.c (count_type_elements): Likewise.
9603 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9604 * stor-layout.c (layout_type): Likewise.
9605 * ipa-type-escape.c (type_to_consider): Likewise.
9606 * gimplify.c (omp_firstprivatize_type_sizes,
9607 gimplify_type_sizes): Likewise.
9608 * explow.c (promote_mode): Likewise.
9609 * tree-sra.c (is_sra_scalar_type): Likewise.
9610 * varasm.c (output_constant): Likewise.
9611 * tree-inline.c (remap_type_1): Likewise.
9612 * convert.c (convert_to_pointer, convert_to_real,
9613 convert_to_integer, convert_to_complex): Likewise.
9615 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9617 * df-scan.c (df_def_record_1): A set destination may
9618 be a parallel regardless of mode.
9620 2006-02-08 Roger Sayle <roger@eyesopen.com>
9623 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9624 * config/mips/_tilib.c: Remove.
9625 * config/fixtfdi.c: New libgcc source file.
9626 * config/fixunstfdi.c: New source file.
9627 * config/floatditf.c: New source file.
9628 * config/floatunditf.c: New souce file.
9629 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9630 files above instead of config/mips/_tilib.c.
9631 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9633 2006-02-08 Jeff Law <law@redhat.com>
9635 PR tree-optimization/26169
9636 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9639 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9641 * df.h (DF_REG_SIZE): Return the length of the initialized
9644 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9646 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9647 __muldf3): Return a correctly signed zero.
9649 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9651 * passes.c (register_one_dump_file): Accept the current properties
9652 instead of pass number. Adjust call to dump_register. Remove
9654 (register_dump_files): Now a wrapper around...
9655 (register_dump_files_1): ... this one. Do not modify the pass
9657 (next_pass_1): Cosmetic fix.
9658 (execute_todo): Keep second parameter only. Use curr_properties
9659 instead of fetching it from the pass structure. Check and set
9661 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9662 instead of fetching it from the pass structure. Fix calls to
9663 execute_todo. Update curr_properties and initialize .vcg RTL dump
9664 after running the pass. Reset last_verified.
9665 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9667 (FIRST_AUTO_NUMBERED_DUMP): New.
9668 (dump_register): Remove "num" parameter, assign it within the
9670 (get_dump_file_name): Modify template for dumps.
9671 * tree-dump.h (dump_register): Adjust prototype.
9672 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9673 (PROP_trees): Add PROP_gimple_lomp.
9674 (TODO_set_props): New.
9675 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9676 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9677 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9679 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9681 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9682 (sparc64-*-linux*): Likewise.
9683 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9684 * config/sparc/t-linux: New file.
9685 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9686 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9687 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9688 -m32 -mlong-double-128.
9690 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9691 * config/alpha/t-linux: New file.
9692 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9694 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9695 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9696 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9697 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9698 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9699 (CPP_ARCH32_SPEC): Remove.
9701 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9703 PR tree-optimization/26145
9704 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9707 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9710 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9711 >= 240000 when generating code for SOM runtime.
9712 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9713 to $$dyncall when generating code for SOM runtime..
9715 2006-02-07 Dirk Mueller <dmueller@suse.com>
9718 * doc/invoke.texi (-Wsequence-point): Update documentation
9719 that -Wsequence-point is implemented for C++ as well.
9721 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9723 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9724 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9725 (LIB_SPEC): Likewise.
9726 * doc/invoke.texi (SPARC options): Document -pthread.
9728 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9730 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9733 2006-02-07 Roger Sayle <roger@eyesopen.com>
9735 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9736 Correct comment describing BOOLEAN_TYPE.
9738 2006-02-07 Dirk Mueller <dmueller@suse.com>
9740 * c.opt: C++ frontend supports -Wdiv-by-zero.
9741 * c-opts.c (c_common_handle_option): Remove dead case.
9743 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9745 * configure.ac (TLS assembler check): Do not enable TLS by
9746 default on SPARC/Solaris before version 10.
9747 * configure: Regenerate.
9749 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9751 * doc/invoke.texi (xl-compat): Document conversion and support
9754 2006-02-07 Jeff Law <law@redhat.com>
9756 * tree-vrp.c (find_conditional_asserts): Update comments.
9757 (simplify_stmt_for_jump_threading): New.
9758 (identify_jump_threads, finalize_jump_threads): New.
9759 (vrp_finalize): Call identify_jump_threads.
9760 (execute_vrp): Call finalize_jump_threads.
9761 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9762 (vrp_element, vrp_data, vrp_element_p): Remove.
9763 (vrp_hash_elt, vrp_variables_stack): Remove.
9764 (vrp_hash, vrp_eq, record_range): Remove.
9765 (simplify_cond_and_lookup_avail_expr): Remove.
9766 (extract_range_from_cond): Remove.
9767 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9768 (simplify_stmt_for_jump_threading): New.
9769 (dom_thread_across_edge): New wrapper.
9770 (tree_ssa_dominator_optimize): No longer initialize or
9771 finalize any of the VRP datastructures. Remove iteration
9772 step and simplify as a result of removal of iteration step.
9773 (pass_dominator): Perform a cfg cleanup after DOM.
9774 (dom_opt_finalize_block): Use the new common routines
9775 for threading jumps. Simplify stack management slightly.
9776 No longer need to unwind VRP state.
9777 (record_equivalences_from_incoming_edge): No longer record
9779 (eliminate_redundant_computations): No longer call
9780 simplify_cond_and_lookup_avail_expr.
9781 * tree-flow.h (potentially_threadable_block): Prototype.
9782 (thread_across_edge): Likewise.
9783 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9784 (tree-ssa-threadedge.o): Add dependencies.
9785 * tree-ssa-threadedge.c: New file.
9786 * passes.c (init_optimization_passes): Merge PHIs before
9787 calling VRP. Run VRP again late in the SSA optimization pipeline.
9789 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9791 * df-core.c (df_set_blocks): Do not dereference function pointers.
9792 (df_finish1): Likewise.
9793 (df_hybrid_search_forward): Likewise.
9794 (df_hybrid_search_backward): Likewise.
9795 (df_iterative_dataflow): Likewise.
9796 (df_analyze_problem): Likewise.
9797 (df_compact_blocks): Likewise.
9798 (df_dump): Likewise.
9799 * df-scan.c (df_rescan_blocks): Likewise.
9800 (df_record_entry_block_defs): Likewise.
9802 * genconditions.c (write_conditions): Guard the definition of
9803 'insn_conditions' with the check on GCC version.
9804 (write_writer): Guard the traversal 'insn_conditions' with
9805 the check on GCC version.
9807 2006-02-07 Richard Guenther <rguenther@suse.de>
9811 2006-01-30 Richard Guenther <rguenther@suse.de>
9813 * gimplify.c (gimplify_target_expr): Handle easy cases
9814 without creating a temporary.
9816 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9818 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9819 use of float in probability computations. Use edge probabilities
9820 in place of statically computed probabilities.
9821 (min_spec_prob): New static variable.
9822 (schedule_insns): Initialize it.
9823 (GET_SRC_PROB): Removed.
9824 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9826 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9829 * config/ia64/unwind-ia64.c: Revert last change.
9830 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9831 (INCOMING_FRAME_SP_OFFSET): Define.
9833 2006-02-06 Roger Sayle <roger@eyesopen.com>
9835 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9837 2006-02-07 Ben Elliston <bje@au.ibm.com>
9839 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9840 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9841 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9842 (ix86_return_in_memory): Handle TDmode.
9843 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9844 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9846 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9848 * reorg.c (dbr_schedule): Use dump_file instead of file.
9850 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9853 * config/ia64/predicates.md (extr_len_operand): New predicate.
9854 * config/ia64/ia64.md (extv): Tighten constraints.
9856 (*tbit_and_2): Ditto.
9857 (*tbit_and_3): Ditto.
9858 (*tbit_or_2): Ditto.
9859 (*tbit_or_3): Ditto.
9863 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9866 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9868 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9870 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9871 loop_optimizer_init and loop_optimizer_finalize
9872 * tree-ssa-sink.c (execute_sink_code): Ditto.
9873 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9874 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9875 tree_ssa_loop_done): Ditto.
9876 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9877 * sched-ebb.c: Include output.h.
9878 (schedule_ebbs): Do not use dump argument.
9879 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9880 * loop.c (loop_dump_stream): Removed.
9881 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9883 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9884 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9885 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9886 loop_iterations, strength_reduce, record_biv, record_giv,
9887 final_giv_value, check_final_value, check_ext_dependent_givs,
9888 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9889 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9890 dump_file instead of loop_dump_stream.
9891 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9893 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9895 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9896 * haifa-sched.c: Include output.h
9897 (schedule_insns, sched_init): Do not use dump argument.
9898 * mode-switching.c (optimize_mode_switching): Ditto.
9899 * modulo-sched.c (stats_file): Removed.
9900 (print_node_sched_params): Do not call argument dump_file.
9901 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9902 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9904 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9906 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9907 rtl_loop_init, rtl_loop_done): Ditto.
9908 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9909 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9911 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9912 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9913 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9914 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9915 * emit-rtl.c (renumber_insns): Ditto.
9916 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9917 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9918 * regclass.c (regclass): Ditto.
9919 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9920 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9921 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9922 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9924 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9925 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9927 * gcse.c (gcse_file, debug_stderr): Removed.
9928 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9929 rest_of_handle_gcse): Do not use dump argument.
9930 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9931 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9932 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9933 compute_code_hoist_vbeinout, compute_code_hoist_data,
9934 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9935 compute_store_table, build_store_vectors, insert_insn_start_bb,
9936 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9937 store_motion): Use dump_file instead of gcse_file.
9938 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9939 * profile.c (profile_dump_file): Removed.
9940 (branch_prob): Use dump_file instead of profile_dump_file.
9941 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9943 * tree-ssa-copy.c (dump_copy_of): Ditto.
9944 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9945 dump file to life_analysis.
9946 * bt-load.c (branch_target_load_optimize): Ditto.
9947 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9949 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9950 regclass, dbr_schedule): Declaration changed.
9951 * sched-int.h (sched_init): Declaration changed.
9952 * tree-profile.c (tree_profile_dump_file): Removed.
9953 (tree_profile_hooks): Removed profile_dump_file hook.
9954 * rtl-profile (rtl_profile_dump_file): Removed.
9955 (rtl_profile_hooks): emoved profile_dump_file hook.
9956 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9958 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9959 * tree-cfg.c (build_tree_cfg): Ditto.
9960 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9961 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9962 Declaration changed.
9963 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9964 life_analysis and schedule_insns.
9965 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9967 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9969 * config/mips/mips.c (mips_reorg): Ditto.
9970 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9973 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9975 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9976 (s390_mangle_fundamental_type): New.
9977 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9980 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9981 (alpha_mangle_fundamental_type): New.
9982 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9985 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9987 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9989 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9990 (sparc_mangle_fundamental_type): New.
9992 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9994 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9995 (s390x-*-linux*): Likewise.
9996 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9997 * config/s390/t-linux: New file.
9999 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10001 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10002 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10004 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10006 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10007 (ANTIC_SAFE_LOADS): New macro.
10008 (find_or_generate_expression): Add prototype.
10009 (set_contains_value): Allow null set for sake of not always having
10010 to allocate ANTIC_SAFE_LOADS.
10011 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10012 Allow COMPONENT_REF too.
10013 (valid_in_set): Allow COMPONENT_REF.
10014 Check ANTIC_SAFE_LOADS too.
10015 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10016 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10018 (can_PRE_operation): Add COMPONENT_REF.
10019 (create_component_ref_by_pieces): New function.
10020 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10021 (insert_aux): Move AGGREGATE_TYPE_P check here.
10022 (compute_avail): Set bb local stmt uids.
10023 (pass_pre): Use TODO_update_ssa_only_virtuals.
10025 2006-02-06 Ben Elliston <bje@au.ibm.com>
10027 * configure.ac: Unconditionally disable decimal float by default.
10028 * configure: Regenerate.
10030 2006-02-06 Ben Elliston <bje@au.ibm.com>
10032 * read-rtl.c (read_name): Terminate reading on EOF.
10034 2006-02-06 Ben Elliston <bje@au.ibm.com>
10036 * dfp.c (decimal_real_arithmetic): Change second argument type
10037 from int to enum tree_code. Do not always return true, but now
10038 return result of any call to decimal_do helper functions.
10039 * dfp.h (decimal_real_arithmetic): Update prototype.
10041 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10043 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10045 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10048 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10051 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10053 * tree-vrp.c (cfg_loops): Removed.
10054 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10055 Use current_loops instead of cfg_loops. Pass flags to
10056 loop_optimizer_init.
10057 * cfgloopmanip.c (fix_loop_structure): Update only available
10059 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10060 loop_optimizer_init.
10061 * modulo-sched.c (build_loops_structure): Removed.
10062 (sms_schedule): Use loop_optimizer_init.
10063 * loop-init.c (loop_optimizer_init): Use flags to determine
10064 which properties of loops to prepare.
10065 (rtl_loop_init): Pass flags to loop_optimizer_init.
10066 * tree-ssa-sink.c (execute_sink_code): Ditto.
10067 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10068 * tree-ssa-pre.c (init_pre): Ditto.
10069 * cfgloop.h (LOOPS_NORMAL): New.
10070 (loop_optimizer_init): Declaration changed.
10072 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10074 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10075 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10077 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10079 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10081 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10082 * pa/t-pa64: Delete quadlib.c rule.
10083 * pa/x-ada: Revert last change.
10084 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10086 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10088 PR rtl-optimization/26087
10089 * rtlanal.c (canonicalize_condition): Do not cross basic block
10092 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10095 * config/ia64/ia64.c: Include debug.h.
10096 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10097 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10098 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10099 (process_epilogue, process_set, process_for_unwind_directive):
10100 Output unwind info only if requested. Add CFA info if requested.
10101 Add new arguments as needed. Adjust callers.
10102 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10104 (DWARF2_FRAME_INFO): Define to zero.
10105 * config/ia64/unwind-ia64.c: Remove code that compensated for
10106 the CFA offset error fixed above.
10107 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10108 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10109 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10110 -funwind-tables and -fexceptions to enable frame info.
10111 (dwarf2out_frame_init): Define initial CFA even if
10112 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10113 DWARF2_UNWIND_INFO is nonzero, not just defined.
10114 (dwarf2out_frame_finish): Output non-EH call frame info only
10115 if DWARF2_FRAME_INFO is nonzero.
10116 (convert_cfa_to_loc_list,
10117 compute_frame_pointer_to_cfa_displacement): Define even if
10118 unwind info is not supported.
10119 (gen_subprogram_die): Use the above unconditionally. Remove
10120 legacy alternate code.
10121 * toplev.c (compile_file): Compile in call to
10122 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10123 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10125 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10126 Jakub Jelinek <jakub@redhat.com>
10128 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10129 IBM extended float format long double as "g" on powerpc*-linux.
10131 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10134 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10135 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10137 2006-02-03 Jason Merrill <jason@redhat.com>
10140 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10142 PR middle-end/25977
10143 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10144 on the return slot if it's an NRV.
10146 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10148 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10149 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10150 rewrite_use): Do not handle USE_OUTER.
10151 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10152 add_iv_outer_candidates, may_replace_final_value,
10153 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10154 (find_interesting_uses_op): Functionality of
10155 find_interesting_uses_outer_or_nonlin moved here.
10156 (find_interesting_uses_outside): Use find_interesting_uses_op.
10158 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10161 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10163 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10164 Ulrich Weigand <uweigand@de.ibm.com>
10167 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10168 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10169 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10170 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10172 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10173 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10174 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10175 Define secondary reloads for TFmode moves.
10176 (constant_modes): Add TFmode.
10177 (NR_C_MODES): Set to 8.
10178 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10180 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10181 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10182 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10183 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10184 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10185 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10186 (FPR mode macro): Add TFmode.
10187 (DSF mode macro): New.
10188 (<de>, <dee> mode attributes): Removed.
10189 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10190 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10191 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10192 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10193 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10194 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10195 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10196 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10197 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10198 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10199 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10200 "*negabs<mode>2", "sqrt<mode>2"):
10201 Changed <de> to <xde>. R constraint replaced by <Rf>.
10202 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10204 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10205 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10206 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10208 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10209 "extenddftf2", "extendsftf2"): New expanders.
10210 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10211 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10212 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10213 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10215 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10216 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10217 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10218 __floatditf): Add a GCC_4.1.0 symbol version tag.
10219 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10222 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10225 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10226 Use targetm.binds_local_p instead of TREE_PUBLIC.
10228 2006-02-02 Roger Sayle <roger@eyesopen.com>
10230 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10231 on INTEGER_TYPEs to indicate that it denotes a character type.
10232 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10233 signed_char_type_node, unsigned_char_type_node and char_type_node.
10234 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10235 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10236 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10238 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10239 Daniel Berlin <dberlin@dberlin.org>
10241 * tree-tailcall.c (arg_needs_copy_p): New function.
10242 (eliminate_tail_call): Use arg_needs_copy_p.
10243 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10244 (add_virtual_phis): New function.
10246 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10248 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10249 #ignore instead of #scratch for %g7 .register directive.
10251 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10253 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10256 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10258 * flow.c (calculate_global_regs_live): Assert that there aren't any
10261 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10263 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10264 what its name says.
10265 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10266 bsi_after_labels iterator.
10267 * tree-if-conv.c (find_phi_replacement_condition,
10268 replace_phi_with_cond_modify_expr): Likewise.
10269 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10270 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10272 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10274 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10276 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10279 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10280 array after growing it.
10282 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10284 PR middle-end/24901
10285 * fold-const.c (fold_checksum_tree): Change type of buf.
10287 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10289 * reload.c (push_secondary_reload): Initialize t_icode.
10291 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10293 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10294 -msoft-float -mlong-double-128 only issue a warning, but don't
10295 swich to DFmode long double.
10297 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10299 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10300 has a constant equivalent, iterate over equivalents for arg0,
10301 calling simplify_relational_operation and if there's a result
10302 cheaper than X, apply fold_rtx and return the result.
10304 2006-02-01 Jan Hubicka <jh@suse.cz>
10306 * opts.c (no_unit_at_a_time_default): New global variable.
10307 (decode_options): Use it.
10308 * opts.h (no_unit_at_a_time_default): Declare.
10310 2006-02-01 Paul Brook <paul@codesourcery.com>
10312 * function.c (assign_parm_setup_reg): Use function argument promotion
10314 * expr.c (expand_expr_real_1): Use function argument promotion rules
10317 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10319 * gcc.c (process_command): Change j to 'unsigned int'.
10321 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10323 PR middle-end/26001
10324 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10325 Use the corrected index for the character
10326 out of the string constant.
10328 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10330 * mode-switching.c (optimize_mode_switching): Fix size
10331 allocated for bb_info[n_entities].
10333 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10335 * gcc.c (main): Correct type that is allocated for
10336 explicit_link_files.
10338 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10340 * config/s390/s390.c (init_alignment_context): Set
10341 ALIAS_SET_MEMORY_BARRIER on the MEM.
10342 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10344 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10346 PR middle-end/25933
10347 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10349 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10352 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10354 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10355 * regrename.c: Ditto.
10356 * tree-ssa-loop-im.c: Ditto.
10357 * tree-dump.c: Ditto.
10358 * tree-complex.c: Ditto.
10359 * genrecog.c: Ditto.
10360 * tree-ssa-threadupdate.c: Ditto.
10362 * java/class.c: Ditto.
10363 * java/jcf-parse.c: Ditto.
10364 * java/resource.c: Ditto.
10365 * java/except.c: Ditto.
10366 * java/jvspec.c: Ditto.
10367 * java/jcf-write.c: Ditto.
10368 * java/jcf-path.c: Ditto.
10369 * java/gjavah.c: Ditto.
10370 * java/zextract.c: Ditto.
10371 * java/jcf-io.c: Ditto.
10372 * java/jcf.h: Ditto.
10373 * java/buffer.c: Ditto.
10374 * java/lang.c: Ditto.
10375 * java/parse-scan.y: Ditto.
10376 * java/lex.c: Ditto.
10377 * java/lex.h: Ditto.
10378 * cfgloopmanip.c: Ditto.
10379 * postreload-gcse.c: Ditto.
10380 * tree-ssa-loop-manip.c: Ditto.
10381 * postreload.c: Ditto.
10382 * tree-ssa-loop-ch.c: Ditto.
10385 * cppspec.c: Ditto.
10386 * diagnostic.c: Ditto.
10388 * genoutput.c: Ditto.
10390 * cfghooks.c: Ditto.
10391 * cfgloopanal.c: Ditto.
10392 * objc/objc-act.c: Ditto.
10394 * genextract.c: Ditto.
10395 * genautomata.c: Ditto.
10396 * pretty-print.c: Ditto.
10397 * genemit.c: Ditto.
10398 * cgraphunit.c: Ditto.
10400 * df-scan.c: Ditto.
10401 * haifa-sched.c: Ditto.
10402 * dominance.c: Ditto.
10404 * tree-ssa-loop-ivopts.c: Ditto.
10405 * df-core.c: Ditto.
10406 * mode-switching.c: Ditto.
10407 * modulo-sched.c: Ditto.
10409 * ipa-pure-const.c: Ditto.
10411 * fix-header.c: Ditto.
10413 * tree-stdarg.c: Ditto.
10414 * ipa-utils.c: Ditto.
10415 * loop-init.c: Ditto.
10416 * ipa-inline.c: Ditto.
10417 * cfganal.c: Ditto.
10419 * alloc-pool.c: Ditto.
10420 * dwarf2out.c: Ditto.
10422 * genattrtab.c: Ditto.
10423 * tree-ssa-loop-ivcanon.c: Ditto.
10424 * predict.c: Ditto.
10425 * timevar.c: Ditto.
10427 * fortran/gfortranspec.c: Ditto.
10428 * regmove.c: Ditto.
10429 * local-alloc.c: Ditto.
10430 * langhooks.c: Ditto.
10431 * function.c: Ditto.
10432 * tree-vectorizer.c: Ditto.
10434 * ipa-type-escape.c: Ditto.
10436 * tree-if-conv.c: Ditto.
10437 * profile.c: Ditto.
10439 * tree-data-ref.c: Ditto.
10440 * loop-unroll.c: Ditto.
10441 * treelang/treetree.c: Ditto.
10443 * bt-load.c: Ditto.
10444 * ggc-common.c: Ditto.
10446 * coverage.c: Ditto.
10448 * tree-cfgcleanup.c: Ditto.
10449 * tree-ssa-pre.c: Ditto.
10450 * cfgcleanup.c: Ditto.
10451 * loop-invariant.c: Ditto.
10452 * loop-iv.c: Ditto.
10453 * ipa-prop.c: Ditto.
10454 * print-tree.c: Ditto.
10455 * conflict.c: Ditto.
10456 * ggc-page.c: Ditto.
10457 * sched-deps.c: Ditto.
10458 * regclass.c: Ditto.
10459 * tree-object-size.c: Ditto.
10460 * combine.c: Ditto.
10461 * bb-reorder.c: Ditto.
10462 * resource.c: Ditto.
10463 * var-tracking.c: Ditto.
10464 * cfgloop.c: Ditto.
10465 * df-problems.c: Ditto.
10466 * reg-stack.c: Ditto.
10468 * gccspec.c: Ditto.
10469 * sched-rgn.c: Ditto.
10470 * tree-ssa-structalias.c: Ditto.
10471 * tree-ssa-reassoc.c: Ditto.
10472 * config/darwin-c.c: Ditto.
10473 * config/darwin.c: Ditto.
10474 * config/arm/arm.c: Ditto.
10476 * collect2.c: Ditto.
10477 * reload1.c: Ditto.
10479 2006-01-31 Nicolas Pitre <nico@cam.org>
10481 * arm.md (smaxsi3): Make aware of smax_m1.
10484 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10486 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10488 2006-01-31 Richard Guenther <rguenther@suse.de>
10490 * doc/invoke.texi (-msselibm): Document.
10491 * target.h (expand_library_builtin): New target hook.
10492 * builtins.c (expand_builtin): Use expand_library_builtin.
10493 (default_expand_library_builtin): New function.
10494 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10495 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10496 (link_gcc_math_spec): Declare.
10497 (static_specs): Add link_gcc_math_spec.
10498 * expr.h (default_expand_library_builtin): Declare.
10499 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10500 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10501 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10502 * config/i386/i386.opt (msselibm): New target option.
10503 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10504 (ix86_init_sse_abi_builtins): New function.
10505 (ix86_expand_library_builtin): Likewise.
10506 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10507 (override_options): Handle error conditions wrt -msselibm.
10508 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10509 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10510 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10513 2006-01-31 Richard Guenther <rguenther@suse.de>
10514 Paolo Bonzini <bonzini@gnu.org>
10516 * doc/install.texi (--disable-libgcc-math): Document.
10518 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10520 * expr.h (expand_normal): new inline function.
10521 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10522 * dojump.c: use it.
10523 * dwarf2out.c: use it.
10526 * expmed.c: use it.
10527 * except.c: use it.
10528 * config/sparc/sparc.c: use it.
10529 * config/i386/i386.c: use it.
10530 * config/rs6000/rs6000.c: use it.
10531 * config/arm/arm.c: use it.
10532 * config/mips/mips.c: use it.
10533 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10535 2006-01-30 Roger Sayle <roger@eyesopen.com>
10537 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10538 argv to the appropriate type.
10540 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10542 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10545 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10548 * config/s390/s390.c (struct machine_function): New flag
10549 decomposed_literal_pool_addresses_ok_p.
10550 (s390_reorg): Set it before final stage of literal pool transforms.
10551 (s390_decompose_address): Only accept displacements of the form
10552 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10554 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10556 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10557 the comparison routine return.
10559 2006-01-30 Michael Matz <matz@suse.de>
10561 * global.c (find_reg): Only evict for global regs.
10562 Take n_refs into account and dump more info.
10564 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10567 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10568 (pragma_trap, pragma_nosave_low_regs): Likewise.
10569 (current_function_anonymous_args): Likewise.
10570 (sh_deferred_function_attributes): New variable.
10571 (sh_deferred_function_attributes_tail): Likewise.
10572 (print_operand): For '@', look up trap_exit attribute.
10573 (calc_live_regs): Look up trapa_handler attribute. For trapa
10574 handlers, save/restore fpscr, but don't do any other
10575 interrupt-specific saves.
10576 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10577 Fix check for partially saved registers to check for SHmedia.
10578 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10579 (sh_output_function_epilogue): Don't clear any of the removed
10581 (sh_insert_attributes): Don't check pragma_interrupt.
10582 Insert deferred attributes. Check that interrupt attribute is
10583 present for other attributes that require its presence.
10584 (sh_attribute_table): Add new attributes trapa_handler and
10586 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10587 Don't check for pragma_interrupt. Don't store argument.
10588 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10589 (sh_deferred_function_attributes): Declare.
10590 (sh_deferred_function_attributes_tail): Likewise.
10591 * sh.md (sp_switch_1): Add operand. Change generator caller.
10592 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10593 (*return_i): Don't use when trap_exit attribute is in effect.
10594 (*return_trapa): New insn pattern.
10595 * sh-c.c: New file.
10596 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10597 setting c_target_objs and cxx_target_objs.
10598 * t-sh: Add rule for sh-c.o.
10600 2006-01-30 Richard Guenther <rguenther@suse.de>
10603 * gimplify.c (gimplify_target_expr): Handle easy cases
10604 without creating a temporary.
10606 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10608 * vec.h (safe_grow): Remove duplicated line.
10610 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10613 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10614 (expand_omp): ... here.
10615 (expand_omp_parallel): Only remove barriers for combined
10616 parallel+workshare constructs.
10618 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10622 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10623 * tree.c (build_qualified_type): Chain the new type to the original
10624 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10625 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10626 (build_pointer_type_for_mode): Only return unqualified types.
10627 (build_reference_type_for_mode): Likewise.
10629 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10631 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10632 * Makefile.in (CXX_COMPAT_WARN): Define.
10633 * configure: Regenerate.
10635 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10638 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10641 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10643 * toplev.c: Fix thinko.
10645 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10646 Marcin Dalecki <martin@dalecki.de>
10648 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10649 (push_srcloc): Use XNEW.
10650 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10652 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10654 * df-core.c (df_set_blocks): Deleted all variable.
10656 2006-01-28 Ian Lance Taylor <ian@airs.com>
10658 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10659 cgraph_output_pending_asms.
10661 2006-01-28 Zack Weinberg <zackw@panix.com>
10663 * c.opt: Add -W(no-)overlength-strings.
10664 * doc/invoke.texi: Document it.
10665 * c-opts.c (c_common_handle_option): -pedantic implies
10666 -Woverlength-strings, if not explicitly disabled already.
10667 (c_common_post_options): -Woverlength-strings defaults to off, and
10668 is always off for C++.
10669 * c-common.c (fix_string_type): Issue warning about strings longer
10670 than is portable only if warn_overlength_strings. Rearrange code
10671 a little for clarity.
10672 * configure.in: Check for -Wno-overlength-strings as well before
10673 enabling -pedantic in stage 1.
10674 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10675 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10677 * genconditions.c (write_header, write_one_condition)
10678 (write_conditions, write_writer): Consolidate very long strings
10679 that were broken up to fit in C89 portable limit. Don't use
10680 printf when fputs will do.
10682 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10684 * combine.c (simplify_comparison <AND>): Check
10685 TRULY_NOOP_TRUNCATION before start using a subreg.
10687 * config/mips/mips.md (*branch_zero<mode>,
10688 *branch_zero<mode>_inverted, *branch_equality<mode>,
10689 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10690 Remove mode check from comparisons.
10692 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10694 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10696 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10698 * expmed.c (const_mult_add_overflow_p): Remove.
10699 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10701 * recog.c (validate_replace_rtx_subexp): Remove.
10702 * recog.h: Remove the prototype for
10703 validate_replace_rtx_subexp.
10705 * integrate.h: Remove the prototype for
10706 copy_decl_for_inlining.
10707 * rtl.h: Remove the prototype for mark_constant_function.
10708 * tree-vectorizer.h: Remove the prototype for
10709 vect_strip_conversion.
10711 * modulo-sched.c (create_partial_schedule,
10712 free_partial_schedule, reset_partial_schedule): Make them
10715 * hooks.c (hook_bool_rtx_int_false): Remove.
10716 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10718 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10720 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10721 and -mlong-double-128 are incompatible.
10722 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10723 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10724 (TARGET_LIBGCC2_CFLAGS): Define.
10725 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10726 (TARGET_LIBGCC2_CFLAGS): Same.
10727 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10729 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10732 * c-typeck.c (build_binary_op): Perform implicit casts of
10733 operands before shortening them.
10735 * cfgloopmanip.c (split_loop_bb): Remove.
10736 * cfgloop.h: Remove the prototype for split_loop_bb.
10738 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10739 * cfgloop.h: Remove the prototype for
10740 flow_loop_outside_edge_p.
10742 * emit-rtl.c (init_virtual_regs): Make it static.
10743 * function.h: Remove the prototype for init_virtual_regs.
10745 * recog.c (peephole2_optimize): Make it static.
10746 * recog.h: Remove the prototype for peephole2_optimize.
10748 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10750 * df-scan.c (df_record_entry_block_defs): Check if
10751 INCOMING_RETURN_ADDR_RTX is defined.
10753 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10754 Kenneth Zadeck <zadeck@naturalbridge.com>
10756 PR rtl-optimization/24762
10757 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10758 * targhooks.c (hook_void_bitmap): New hook prototype.
10759 * targhoohs.h (hook_void_bitmap): Ditto.
10760 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10761 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10762 * target.h (live_on_entry): New function pointer.
10763 * df-scan.c (df_all_hard_regs): Removed.
10764 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10765 (df_scan_free_internal): Added df->entry_block_defs.
10766 (df_scan_alloc): Ditto.
10767 (df_scan_dump): Ditto.
10768 (df_uses_record): Plumbed flag field properly thru calls.
10769 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10770 This part fixes PR24762.
10771 (df_bb_refs_record): Added code to make the frame and arg
10772 pointers live in EH blocks.
10773 (df_refs_record): Added call to df_record_entry_block_defs.
10774 (df_record_entry_block_defs): New function.
10775 * df-core.c: Added comments to describe new artifical defs.
10776 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10777 (entry_block_defs): New field in struct df.
10778 (df_all_hard_regs): Deleted.
10779 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10780 * df-problems.c (df_ru_bb_local_compute_process_def):
10781 Added code to handle artifical defs in the entry to a function.
10782 (df_ru_bb_local_compute): Ditto.
10783 (df_rd_bb_local_compute_process_def): Ditto.
10784 (df_rd_bb_local_compute): Ditto.
10785 (df_lr_bb_local_compute): Ditto.
10786 (df_ur_bb_local_compute): Ditto.
10787 (df_urec_bb_local_compute): Ditto.
10788 (df_chain_create_bb): Ditto.
10789 (df_ur_local_finalize): Removed entry.
10790 (df_urec_init): Ditto.
10791 (df_urec_local_finalize): Ditto.
10792 (df_ri_bb_compute): Added detection of last use of pseudos.
10793 * Makefile.in (df-scan.o): Updated dependencies.
10794 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10795 * config/mips/mips.c (mips_set_live_on_entry): Added.
10796 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10798 * dce.c (marked_insn_p): Added code to handle artifical defs.
10800 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10802 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10804 (_mm_cvtsi128_si64): Likewise.
10805 (_mm_cvtsd_si64): Likewise.
10806 (_mm_cvttsd_si64): Likewise.
10807 (_mm_cvtsi64_sd): Likewise.
10808 (_mm_cvtsi64_si128): Likewise.
10809 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10810 (_mm_cvtsi64_m64): Likewise.
10811 (_m_to_int64): Likewise.
10812 (_mm_cvtm64_si64): Likewise.
10813 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10814 (_mm_cvttss_si64): Likewise.
10815 (_mm_cvtsi64_ss): Likewise.
10816 (_mm_cvtss_f32): Likewise.
10818 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10820 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10821 for pragma redefine_extname.
10823 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10826 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10827 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10828 -mno-minimal-toc to previous content.
10829 (bispecs): Remove goal.
10830 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10831 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10832 compatibility aliases on powerpc-*-*gnu*.
10833 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10834 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10835 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10836 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10837 (ldblspecs): New goal.
10838 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10839 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10841 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10842 L_sf_to_tf or L_df_to_tf is defined.
10844 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10845 Alan Modra <amodra@bigpond.net.au>
10848 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10849 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10850 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10851 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10852 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10853 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10854 (rs6000_override_options): Initialize rs6000_ieeequad.
10855 Initialize TFmode format to ibm_extended_format if not
10857 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10859 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10860 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10861 (function_arg_advance): IBM long double passed in two FPRs, not
10863 (function_arg): IBM long double passed in FPRs.
10864 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10865 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10866 Only multireg GPR aligned.
10867 (rs6000_init_libfuncs): Enable IBM long double functions if not
10869 (rs6000_generate_compare): Use IBM long double compare if not
10871 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10872 (TARGET_IEEEQUAD): Define.
10873 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10874 not TARGET_IEEEQUAD.
10875 * config/rs6000/rs6000.md: Enable TFmode patterns if
10877 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10878 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10879 and -mlong-double-128 are incompatible.
10880 * doc/invoke.texi (-mabi): Collect options together. Add
10881 ibmlongdouble and ieeelongdouble.
10883 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10885 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10887 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10888 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10889 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10890 * rtl.h (rtunion_def): Remove rt_ptr.
10892 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10893 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10894 * config/i386/winnt.c (i386_pe_mark_dllexport)
10895 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10897 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10899 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10901 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10905 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10906 pthread_key_delete. From John David Anglin. gthrw-ify
10907 pthread_getunique_np only if it it's not a macro. Delete
10909 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10910 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10911 __gthread_objc_condition_signal, __gthread_key_delete): Add
10912 "__attribute__ ((__unused__))" to unused arguments.
10913 (__gthread_recursive_mutex_init_function): Add missing return.
10914 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10915 gthr-posix95.h: Use macro-based approach for name redirection
10916 on targets missing weakref.
10918 2006-01-26 Zack Weinberg <zackw@panix.com>
10920 * genconditions.c (write_header): In generated code, #ifdef out
10921 all includes and fake declarations, except includes of bconfig.h
10922 and system.h, unless GCC_VERSION >= 3001. Do not include
10923 gensupport.h in any case.
10924 (write_conditions): Generate a definition of struct c_test. Add
10925 a comment to the generated #endif.
10926 (write_one_condition): Escape backslashes in string too.
10927 (write_writer): Generated code must escape backslashes and quote
10928 marks (but not newlines) in the strings it writes.
10929 * Makefile.in (build/gencondmd.o): Update dependencies.
10931 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10934 * Makefile.in (insn-automata.o): Add header file dependencies.
10935 * genautomata.c: Add includes.
10937 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10940 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10942 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10944 * configure.ac: Expect target tools paths to be passed from the toplevel
10945 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10947 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10949 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10952 * c.opt (Wpointer-sign): Init to -1.
10953 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10954 OPT_pedantic, to 0 otherwise.
10955 * doc/invoke.texi: Update.
10957 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10959 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10960 constants provided by 80387 instructions in the destination mode.
10962 2006-01-26 Richard Guenther <rguenther@suse.de>
10963 Andrew Pinski <pinskia@physics.uc.edu>
10966 partial PR tree-opt/17064
10967 * tree-ssa-structalias.c (intra_create_variable_infos):
10968 Create heap variables for incoming parameters if
10969 flag_argument_noalias > 1.
10970 (find_what_p_points_to): Look through default defs of
10973 2006-01-26 Jeff Law <law@redhat.com>
10976 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10977 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10978 within the VR_RANGE, use the VR_RANGE as the result, not the
10980 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10981 bounds for the type.
10983 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10985 * tree-ssa-alias.c (maybe_create_global_var): Change
10986 subvar walking to an assertion that we don't have subvar'd variables.
10988 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10991 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10992 Use a new variable, inner. PARM_DECLs are always non-weak.
10994 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10996 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10997 --disable-checking.
10999 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11001 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11003 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11005 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11006 (smax_insn, smin_insn, smax_0, smin_0): New.
11008 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11011 * config/cris/cris.c (cris_order_for_addsi3): New function.
11012 * config/cris/cris-protos.h: Prototype it.
11013 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11014 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11015 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11016 (split for "op.S1 [rx=rx+i],ry (swapped)")
11017 (split for "op(s|u).S1 [rx=rx+i],ry")
11018 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11019 Apply cris_order_for_addsi3 when generating addsi3 insns.
11021 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11023 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11024 (TREE_BLOCK): Add call to EXPR_CHECK.
11026 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11029 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11030 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11031 (dump_omp_clauses): ... here.
11032 (dump_generic_node): Handle OMP_CLAUSE.
11033 * tree.c (omp_clause_num_ops): New.
11034 (omp_clause_code_name): New.
11035 (tree_code_size): Handle OMP_CLAUSE.
11036 (tree_size): Likewise.
11037 (make_node): Document handling of OMP_CLAUSE.
11038 (tree_node_structure): Handle OMP_CLAUSE.
11039 (omp_clause_check_failed): New.
11040 (omp_clause_range_check_failed): New.
11041 (omp_clause_operand_check_failed): New.
11042 (build_omp_clause): New.
11043 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11044 * tree.h (enum omp_clause_code): Declare.
11045 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11046 (OMP_CLAUSE_RANGE_CHECK): Define.
11047 (OMP_CLAUSE_ELT_CHECK): Define.
11048 (omp_clause_check_failed): Declare.
11049 (omp_clause_operand_check_failed): Declare.
11050 (omp_clause_range_check_failed): Declare.
11051 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11052 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11053 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11054 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11055 (OMP_CLAUSE_IF_EXPR): Likewise.
11056 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11057 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11058 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11059 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11060 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11061 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11062 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11063 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11064 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11065 (OMP_CLAUSE_CODE): Define.
11066 (OMP_CLAUSE_SET_CODE): Define.
11067 (OMP_CLAUSE_CODE): Define.
11068 (OMP_CLAUSE_OPERAND): Define.
11069 (struct tree_omp_clause): Declare.
11070 (union tree_node): Add field 'omp_clause'.
11071 * treestruct.def (TS_OMP_CLAUSE): Define.
11072 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11073 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11074 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11075 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11076 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11077 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11078 (OMP_CLAUSE): Define.
11079 * print-tree.c (print_node): Handle OMP_CLAUSE.
11080 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11081 * c-typeck.c: Likewise.
11082 * gimplify.c: Likewise.
11083 * c-omp.c: Likewise.
11084 * tree-nested.c: Likewise.
11085 * tree-inline.c: Likewise.
11086 * c-parser.c: Likewise.
11087 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11090 2006-01-25 Roger Sayle <roger@eyesopen.com>
11092 PR rtl-optimization/25703
11093 * combine.c (try_combine): Handle zero_extract and strict_low_part
11094 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11096 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11098 * global.c: Fix comment typos.
11100 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11103 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11104 Use output_addr_const instead of assemble_name.
11106 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11108 * Makefile.in (sched-vis.o): Update dependencies.
11109 * haifa-sched.c (sched_finish): Clear current_sched_info.
11110 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11111 (dump_flow_info): Call it.
11112 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11114 * basic-block.h (dump_bb_info): Declare.
11115 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11116 option, and apply options only for dump files whose TDF_RTL,
11117 TDF_TREE, or TDF_IPA bits match.
11118 * rtl.h: Declare new functions exported from sched-vis.c.
11119 * sched-vis.c: Enable also if scheduling is not used.
11120 (print_value): Print the mode of registers if not inside scheduling.
11121 (print_insn): Make it work outside the scheduler. Beautify the output
11123 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11125 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11127 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11128 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11129 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11130 depending on the value of CONSTANT_POOL_ADDRESS_P.
11131 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11133 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11134 rather than SYMBOL_REF_DECL.
11135 (rtx_constant_pool): Remove const_rtx_sym_htab.
11136 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11137 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11138 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11139 Remove handling of const_rtx_sym_htab.
11140 (find_pool_constant): Delete.
11141 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11142 rather than find_pool_constant.
11143 (get_pool_constant_for_function): Delete.
11144 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11145 find_pool_constant.
11146 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11147 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11148 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11149 (SYMBOL_REF_CONSTANT): New macro.
11150 (get_pool_constant_for_function): Delete.
11151 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11152 rather than SYMBOL_REF_DECL.
11153 (i386_pe_mark_dllimport): Likewise.
11154 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11155 rather than SYMBOL_REF_DECL.
11156 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11157 (machopic_indirect_call_target): Likewise.
11159 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11161 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11163 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11165 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11167 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11169 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11171 2006-01-24 David Daney <ddaney@avtrex.com>
11174 * configure.ac (enable_tls): New enable option.
11175 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11176 * configure: Regenerate.
11177 * doc/install.texi (--enable-tls): Document new option.
11178 (--disable-tls): Ditto.
11180 2006-01-24 Richard Henderson <rth@redehat.com>
11182 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11183 * alias.c (true_dependence): Respect it.
11184 (canon_true_dependence, write_dependence_p): Likewise.
11185 * builtins.c (get_builtin_sync_mem): Set it.
11187 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11189 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11192 2006-01-24 DJ Delorie <dj@redhat.com>
11194 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11195 for storing constants in single-bit bitfields.
11197 2006-01-25 Ben Elliston <bje@au.ibm.com>
11199 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11201 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11204 * tree-ssa-pre.c (phi_translate): Return NULL
11205 for AGGREGATE_TYPE's.
11207 2006-01-24 Zack Weinberg <zackw@panix.com>
11209 * genautomata.c (process_state_for_insn_equiv_partition):
11210 Use xcalloc for insn_arcs_array.
11211 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11212 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11214 2006-01-24 Richard Henderson <rth@redhat.com>
11216 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11217 update all callers.
11219 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11221 PR rtl-optimization/25890
11222 PR rtl-optimization/25905
11223 * combine.c (expand_compound_operation, expand_field_assignment):
11224 Fail if the bitfield's final position is out of bounds.
11226 2006-01-24 Ian Lance Taylor <ian@airs.com>
11228 PR middle-end/25930
11229 * cgraphunit.c (cgraph_output_in_order): Don't clear
11230 cgraph_asm_nodes until after asm strings have been output.
11232 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11234 * fix-header.c (read_scan_file): Add new parameter imultilib when
11235 calling register_include_chains.
11237 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11239 * omp-low.c: Update documentation.
11241 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11242 Daniel Berlin <dberlin@dberlin.org>
11246 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11247 return from the function.
11249 2006-01-22 Zack Weinberg <zackw@panix.com>
11251 * rtl.def (match_code): Add second argument.
11252 * genpreds.c (write_extract_subexp): New function.
11253 (write_match_code): Add path argument. Use write_extract_subexp.
11254 (write_predicate_expr): Pass path to write_match_code.
11255 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11256 not perform a mode test.
11257 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11258 a subexpression does not constrain the top-level code set.
11259 * read-rtl.c (read_rtx_variadic): New function.
11260 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11261 * doc/md.texi: Document new notation.
11262 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11263 (cmpsi_operand): ... here, using new notation.
11265 2006-01-22 Zack Weinberg <zackw@panix.com>
11267 * varray.c: Remove GENERATOR_FILE #ifdefs.
11269 2006-01-22 Zack Weinberg <zackw@panix.com>
11271 * genautomata.c (output_reserved_units_table): Emit nothing if
11272 description->query_units_num is zero. Remove extra blank line.
11273 (output_cpu_unit_reservation_p): Short circuit
11274 if description->query_units_num is zero.
11276 2006-01-22 Zack Weinberg <zackw@panix.com>
11278 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11279 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11280 nor any of the random handful of variables that used to be necessary
11281 when this program was linked with rtlanal.o. Prune set of forward
11282 function declarations.
11283 (struct attr_desc): Remove static_p field.
11284 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11285 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11286 (attr_string): Do not read the character one past the length of
11288 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11289 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11290 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11291 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11292 (make_automaton_attrs): New.
11293 (main): Do not call into genautomata. Call local gen_bypass
11294 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11295 Remove special case for insn_alts.
11296 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11297 varray.h (leftover from previous change). Prune set of forward
11298 function declarations. Remove state_alts fields from all
11299 structures. Remove state_alts_table from struct automaton.
11300 Make everything except main static. Do not maintain num_dfa_decls.
11301 Do not maintain state_alts fields of various structures.
11302 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11303 (add_arc): Remove state_alts argument. All callers updated.
11304 (output_reserved_units_table): Emit #ifdef here...
11305 (output_tables): ...not here. Don't generate state_alts tables.
11306 (expand_automata): Don't generate attributes.
11307 (write_automata): Don't generate state_alts functions.
11308 (main): New function.
11309 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11310 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11311 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11312 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11313 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11314 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11315 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11316 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11318 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11319 * genattrtab.h: Delete file.
11320 * Makefile.in (OBJS-common): Add insn-automata.o.
11321 (insn-automata.o): New rule.
11322 (simple_generated_c): Add insn-automata.c.
11323 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11324 (genprogmd): Add automata.
11325 (build/genattrtab): Needs no extra objects nor libraries.
11326 (build/genautomata): Needs build/vec.o and -lm.
11328 2006-01-22 Zack Weinberg <zackw@panix.com>
11330 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11331 (output_dfa_max_issue_rate, locked_states_num): Delete.
11332 (struct automaton): Add locked_states field.
11333 (output_dead_lock_vect): Save number of locked states in
11334 automaton->locked_states. If it is zero, don't print anything.
11335 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11336 (output_internal_dead_lock_func): Only test the dead_lock_vect
11337 for automata that have locked states.
11338 (output_statistics): Always print the number of locked states for
11339 each automaton. Calculate total number of locked states here.
11340 (write_automata): Don't call output_dfa_max_issue_rate.
11341 * genattrtab.c: Define length_unit_log as a const variable.
11342 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11343 max_insn_queue_index const.
11344 * final.c (length_unit_log): Declare const.
11345 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11347 2006-01-22 Zack Weinberg <zackw@panix.com>
11349 * genautomata.c: Include vec.h, not varray.h.
11350 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11351 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11352 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11353 VEC_* macros operating on appropriately typed vectors, or to
11354 malloced arrays when the size is known in advance. Const-ify
11355 many char* variables and function arguments. No functional changes.
11356 * Makefile.in (build/varray.o): Delete rule.
11357 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11358 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11360 2006-01-22 Zack Weinberg <zackw@panix.com>
11362 * gensupport.c: Define get_insn_name and record_insn_name here.
11363 (read_md_rtx): Call record_insn_name as appropriate.
11364 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11365 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11366 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11368 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11369 (BUILD_VARRAY): Delete.
11370 (genprognormal): Rename genprogmd. Fold in all programs from
11371 genprognoprint; also attrtab.
11372 (build/genattrtab): Just mention genautomata.o and varray.o.
11373 Reorganize a bit, add comments to make the categories clearer.
11375 2006-01-22 Zack Weinberg <zackw@panix.com>
11377 * genconditions.c (condition_table, add_condition): Delete.
11378 (write_conditions): Don't emit n_insn_conditions nor
11379 insn_elision_unavailable. Issue the gcc version #ifdef here,
11380 inside the table, with no #else clause ...
11381 (write_header): ...not here.
11382 (write_writer): New function.
11383 (main): Don't initialize condition_table. Use add_c_test.
11385 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11386 files on the command line.
11387 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11388 Return -1 if there is no entry in the table, don't abort.
11389 (add_c_test, traverse_c_tests): New functions.
11390 * gensupport.h (insn_elision_unavailable, insn_conditions)
11391 (n_insn_conditions): Delete declarations.
11392 (add_c_test, traverse_c_tests): Declare.
11393 * read-rtl.c: Include gensupport.h.
11394 (read_conditions): New function.
11395 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11396 (read_rtx_1): If we get EOF when we were looking for an initial
11397 open paren, return 0. Call read_conditions when appropriate.
11398 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11399 dummy-conditions.o. Eliminate references to insn-conditions.o,
11400 or change them to build/gencondmd.o, as appropriate. Remove
11401 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11402 from $(simple_generated_c). For all files remaining in those
11403 two lists, add insn-conditions.md to the generator command line.
11404 Give insn-constants.h/s-constants their own rules. Add rules
11405 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11406 (build/read-rtl.o): Depend on gensupport.h.
11407 (genprognormal): Include preds.
11408 (genprogearly): Rename genprognoprint; only difference is now that
11409 they don't link with $(BUILD_PRINT).
11410 * dummy-conditions.c: Delete.
11412 2006-01-22 Zack Weinberg <zackw@panix.com>
11414 * genextract.c: Don't include insn-config.h. Do include vec.h.
11415 Declare vectors of int, char, and locstr.
11416 (locstr): New typedef.
11417 (struct extraction): Make all array fields into bare pointers.
11418 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11419 (insn_code_number): Delete.
11420 (accum_extract): New struct.
11421 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11422 (gen_insn): Take insn_code_number as an argument. Use an
11423 accum_extract structure instead of loading data directly into
11424 a struct extraction, and having to know how big it might get.
11425 (walk_rtx): Operate entirely on an accum_extract structure.
11426 (print_path): Avoid unnecessary use of printf.
11427 (print_header): New function, split out of main. Distinguish
11428 more carefully between an unrecognizable insn and an insn that
11429 has the code number of a define_expand.
11430 (main): Pass insn_code_number to gen_insn. Call print_header
11431 only after parsing. Avoid unnecessary use of printf.
11432 * Makefile.in (build/vec.o): New rule.
11433 (build/genextract): Depend on build/vec.o.
11434 (build/genextract.o): Don't depend on insn-config.h.
11436 2006-01-22 Zack Weinberg <zackw@panix.com>
11438 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11439 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11440 practical. Eliminate per-generator-program link rules.
11442 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11444 PR middle-end/24437
11445 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11446 with a call expr to ...
11447 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11449 2006-01-23 Richard Guenther <rguenther@suse.de>
11451 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11452 before make_edge with conditional EDGE_TRUE_VALUE.
11454 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11455 Jan Hubicka <jh@suse.cz>
11456 Richard Guenther <rguenther@suse.de>
11458 PR rtl-optimization/25654
11459 * cfgexpand.c (aggregate_contains_union_type): New function.
11460 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11461 for structure variables that contain a union type.
11463 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11465 * gengtype.c (new_structure): Return the structure.
11466 (create_option): Add an extra "next" argument.
11467 (create_field): New function.
11468 (adjust_field_rtx_def): Use create_option and create_field.
11469 Remove a now-unnecessary call to find_structure.
11470 (adjust_field_tree_def): Likewise.
11471 (note_yacc_type): Remove an unnecessary call to find_structure.
11472 * gengtype.h (new_structure): Return the structure.
11473 (create_option): Add an extra argument.
11474 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11475 (option): Adjust calls to create_option.
11477 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11479 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11481 2006-01-22 Paul Brook <paul@codesourcery.com>
11482 Peter Barada <peter@the-baradas.com>
11484 * config/m68k/m68k.md: Add Coldfire FPU support.
11485 Define FP mode macro and associated attributes.
11486 Use it for float mode patterns.
11487 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11488 (LIBCALL_VALUE): Use m68k_libcall_value.
11489 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11490 (m68k_function_value): Ditto.
11491 (emit_move_sequence): Ditto.
11492 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11493 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11494 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11495 (MULTILIB_EXCEPTIONS): Ditto.
11496 * config/m68k/m68k.opt: Add mcfv4e.
11497 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11498 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11499 (m68k_output_function_prologue): Save ColdFire FPU registers.
11500 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11501 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11502 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11503 ColdFire FPU registers.
11504 (m68k_libcall_value, m68k_function_value): New functions.
11505 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11506 (LIBCALL_VALUE): Use m68k_libcall_value.
11507 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11508 (MASK_COLDFIRE): Add MASK_CFV4E.
11509 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11510 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11511 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11512 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11513 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11514 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11515 * doc/invoke.tex: Document -mcfv4e on m68k.
11517 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11519 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11522 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11525 * c-opts.c (c_common_handle_option): Don't include
11526 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11527 * doc/invoke.texi (C++ Dialect Options): Document that
11528 -Wnon-virtual-dtor is no longer included in -Wall.
11530 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11532 * gcov.c (print_version), gcov-dump.c (print_version),
11533 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11536 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11538 * df-scan.c (problem_SCAN): Added NULL reset function.
11539 (df_scan_reset_blocks): Added code to call reset block function
11540 (df_bb_refs_delete) Fixed comment.
11541 (df_insn_refs_delete): Made tolerant of deleting non existent info
11542 for dataflow problems that need to be reset.
11543 * df-core.c (df_set_blocks): Ditto.
11544 * df.h (struct df_problem): Added reset_fun.
11545 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11546 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11547 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11548 functions to clear out all references to def-use or use-def chains.
11550 2006-01-21 Ben Elliston <bje@au.ibm.com>
11552 * varasm.c (assemble_real): Initialise data array.
11554 2006-01-20 Paul Brook <paul@codesourcery.com>
11556 Merge from csl-arm-branch.
11557 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11558 * config/arm/arm.md (movdi): Force operands[1] to a register
11559 if we have a non-register source.
11560 (*arm_movdi, *movdf_soft_insn): Require that one of the
11561 operands be a register.
11562 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11563 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11565 2006-01-20 DJ Delorie <dj@redhat.com>
11567 * varasm.c (initializer_constant_valid_p): Allow pointers
11568 initialized from integer constants of lesser precision.
11569 (output_constant): Allow non-int-sized pointer modes to be
11570 initialized from integer constants.
11572 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11575 * cppdefault.h (struct default_include): Add multilib flag.
11576 * cppdefault.c (cpp_include_defaults): Set it.
11577 * c.opt (-imultilib): New option.
11578 * c-opts.c (imultilib): New.
11579 (c_common_handle_option): Handle -imultilib.
11580 (c_common_post_options): Likewise.
11581 * c-incpath.c (add_standard_paths, register_include_chains):
11583 * c-incpath.h (register_include_chains): Add extra parameter.
11584 * gcc.c (do_spec_1): Generate -imultilib option.
11585 (The Specs Language): Update %I description.
11586 (process_command): Update copyright notice.
11587 * doc/cppopts.texi (-imultilib): Document.
11588 * doc/invoke.texi (-imultilib): Include in option summary.
11589 (%I): Update specs documentation.
11591 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11593 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11595 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11597 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11600 2006-01-20 Richard Guenther <rguenther@suse.de>
11601 Steven Bosscher <stevenb.gcc@gmail.com>
11603 PR rtl-optimization/24626
11604 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11605 EDGE_TRUE_VALUE if in RTL mode.
11608 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11609 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11611 2006-01-20 Dirk Mueller <dmueller@suse.com>
11614 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11615 instead of a special NOP marker.
11616 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11617 NOP marker handling.
11618 * c-common.h (empty_body_warning): Add forward declaration.
11619 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11620 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11622 2006-01-20 Paul Brook <paul@codesourcery.com>
11624 * Makefile.in (lang_checks): Keep going if mkdir fails.
11626 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11628 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11629 be able to clean out basic block when not necessary.
11630 (df_scan_free): Fixed to properly delete information if df is
11631 unused before calling df_finish.
11632 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11633 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11635 (df_bb_refs_delete): New function.
11636 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11637 * df-core.c (df_set_blocks): Added code to properly clean out
11638 unused blocks if they are not part of the blocks to consider.
11639 Added additional null check.
11640 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11641 be able to clean out basic block when not necessary
11642 * df.h (df_free_bb_function): Ditto.
11643 (df_bb_refs_delete): New function.
11644 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11645 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11646 basic block parameter to be able to clean out basic block when not
11648 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11649 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11650 Fixed to properly delete information if df is unused before
11653 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11655 PR rtl-optimization/25799
11656 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11657 Corrected confluence operator to remove bits from op2 before oring
11658 with op1 rather than removing bits from op1.
11659 (df_ru_transfer_function): Corrected test on wrong bitmap which
11660 caused infinite loop. Both of these problems were introduced in
11661 the dataflow rewrite.
11663 2006-01-19 DJ Delorie <dj@redhat.com>
11665 * reload1.c (find_reload_regs): Note the details of reload
11666 failures in the dump file.
11667 (spill_failure): Likewise.
11669 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11671 * loop-iv.c: Include df.h and hashtab.h.
11672 (enum iv_grd_result): New enum.
11673 (DF_REF_IV, DF_REF_IV_SET): New macros.
11674 (struct biv_entry): New.
11675 (df, bivs): New global variables.
11676 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11677 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11679 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11680 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11681 analyzed_for_bivness_p, record_biv): New functions.
11682 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11683 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11684 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11686 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11688 (iv_number_of_iterations): Use new interface to iv analysis.
11689 * loop-unroll.c: Do not include varray.h.
11690 (analyze_iv_to_split_insn): Use new interface to iv
11692 * loop-unswitch.c (may_unswitch_on): Ditto.
11693 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11695 (df_bb_modify): Realloc tables to the new index.
11696 (df_find_use): New function.
11697 * df.h (df_find_use): Declare.
11698 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11700 * cfgloop.h (struct rtx_iv): Remove analysed field.
11701 (iv_get_reaching_def): Removed.
11702 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11703 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11704 (loop-iv.o): Add df.h and hashtab.h dependency.
11705 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11707 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11710 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11712 (__floatundisf, __floatundidf): Likewise.
11713 * libgcc2.h (IS_IBM_EXTENDED): Define.
11715 2006-01-19 DJ Delorie <dj@redhat.com>
11717 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11719 2006-01-19 Paul Brook <paul@codesourcery.com>
11721 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11722 as nothrow when unwinding tables are disabled.
11724 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11727 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11728 of bit-field" when in system header.
11730 2006-01-19 DJ Delorie <dj@redhat.com>
11732 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11733 the 16 bit shift limit of the m16c.
11735 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11738 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11739 * config/i386/i386.c (output_set_got): Output the label if we have one
11740 for the TARGET_DEEP_BRANCH_PREDICTION case.
11742 2006-01-19 Jan Hubicka <jh@suse.cz>
11743 H.J. Lu <hongjiu.lu@intel.com>
11744 Evandro Menezes <evandro.menezes@amd.com>
11746 * invoke.texi (generic): Document
11748 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11749 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11750 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11751 (x86_use_incdec, x86_pad_returns): New variables
11752 (TARGET_CPU_DEFAULT_generic): New constant
11753 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11754 (enum processor_type): Add generic32 and generic64.
11755 * i386.md (cpu attribute): Add generic32/generic64
11756 (movhi splitter): Behave sanely when both partial_reg_dependency and
11757 partial_reg_stall are set.
11758 (K8 splitters): Enable for generic as well.
11759 * predicates.md (incdec_operand): Use TARGET_INCDEC
11760 (aligned_operand): Avoid memory mismatch stalls.
11761 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11762 * ppro.md: Enable for generic32
11763 * i386.c (generic64_cost, generic32_cost): New.
11764 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11765 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11766 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11767 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11768 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11769 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11770 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11771 x86_accumulate_outgoing_args, x86_prologue_using_move,
11772 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11773 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11774 Enable for generic.
11775 (x86_use_incdec, x86_pad_returns): New.
11776 (override_options): Add generic32 and generic64, translate "generic"
11777 to generic32/generic64 and "i686" to "generic32", refuse
11778 "generic32"/"generic64" as arch target.
11779 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11780 (ix86_reorg): Honor PAD_RETURNS.
11782 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11784 * tree-pretty-print.c (dump_generic_node): Handle
11785 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11786 * cgraph.c (cgraph_expand_queue): Rename from
11787 cgraph_analyze_queue. Update all users.
11788 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11789 cgraph_expand_queue.
11790 (cgraph_expand_all_functions): Likewise.
11791 (cgraph_finalize_pending_functions): Remove. Update callers.
11793 * tree.h (OMP_DIRECTIVE_P): Define.
11794 (OMP_PARALLEL_FN): Define.
11795 (OMP_PARALLEL_DATA_ARG): Define.
11796 (OMP_SECTIONS_SECTIONS): Define.
11797 * tree-pass.h (pass_expand_omp): Declare.
11798 * omp-low.c (struct omp_region): Declare.
11799 (struct omp_context): Remove fields 'parallel_type',
11800 'parallel_start_ix' and 'parallel_start_additional_args'.
11802 (struct omp_for_data): Rename from struct expand_omp_for_data.
11803 (omp_regions): New static variable.
11804 (root_omp_region): New static variable.
11805 (find_omp_clause): Make static.
11806 (is_in_combined_parallel_ctx): Remove.
11807 (is_combined_parallel): New.
11808 (extract_omp_for_data): Move earlier in the file.
11809 (workshare_safe_to_combine_p): New.
11810 (get_ws_args_for): New.
11811 (determine_parallel_type): Move earlier in the file.
11812 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11814 (omp_copy_decl): Likewise.
11815 (create_omp_child_function): Likewise.
11816 (lookup_omp_region): New.
11817 (dump_omp_region): New.
11818 (debug_omp_region): New.
11819 (debug_all_omp_regions): New.
11820 (new_omp_region): New.
11821 (scan_omp_parallel): If parallel_nesting_level > 1, the
11822 directive is nested within another parallel directive.
11823 Set OMP_PARALLEL_FN.
11824 (scan_omp_for): Do not try to handle combined parallel+for
11826 Remove FIXME comment.
11827 (scan_omp_nested): Remove.
11828 (scan_omp_1): Do not call scan_omp_nested when
11829 parallel_nesting_level is > 1.
11830 Do not change the DECL_CONTEXT of local variables found.
11831 (lookup_decl_in_outer_ctx): New.
11832 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11833 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11834 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11835 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11836 If CTX is nested, lookup VAR in the outer context when
11837 building copy assignment.
11838 (lower_send_clauses): Rename from expand_send_clauses.
11839 If CTX is nested, lookup VAR in the outer context when
11840 building copy assignments.
11841 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11842 If CTX is nested, lookup VAR in the outer context when
11843 building copy assignments.
11844 (expand_parallel_call): Rename from build_parallel_call.
11845 Handle combined parallel+workshare cases.
11846 Re-implement to emit code into the CFG.
11848 (expand_omp_parallel): Re-implement to emit code into the CFG.
11849 Call move_sese_region_to_fn to outline the sub-graph
11850 containing the parallel region.
11851 (expand_omp_for_1): Remove.
11852 (expand_omp_for_generic): Re-implement to emit code into the
11854 (expand_omp_for_static_nochunk): Likewise.
11855 (expand_omp_for_static_chunk): Likewise.
11856 (expand_omp_for): Likewise.
11857 (expand_omp_sections): Likewise.
11858 (remove_exit_barriers): New.
11859 (expand_omp_synch): New.
11861 (build_omp_regions_1): New.
11862 (build_omp_regions): New.
11863 (execute_expand_omp): New.
11864 (gate_expand_omp): New.
11865 (pass_expand_omp): Define.
11866 (lower_omp_sections): Rename from expand_omp_sections.
11867 Set OMP_SECTIONS_SECTIONS.
11868 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11869 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11870 (lower_omp_single): Rename from expand_omp_simple.
11871 (lower_omp_master): Rename from expand_omp_master.
11872 (lower_omp_ordered): Rename from expand_omp_ordered.
11873 (lower_omp_critical): Rename from expand_omp_critical.
11874 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11875 (lower_omp_for): Re-implement.
11876 (lower_omp_parallel): Re-implement.
11877 (lower_regimplify): Rename from expand_regimplify.
11878 (lower_omp_1): Rename from expand_omp_1.
11879 If there are syntax errors in the program, replace every
11880 OpenMP directive with NOP.
11881 Call lower_omp_* instead of expand_omp_*.
11882 (lower_omp): Rename from expand_omp.
11884 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11885 * tree-gimple.h (enum omp_parallel_type): Remove.
11886 (gimple_boolify): Declare extern.
11887 (find_omp_clause, determine_parallel_type): Remove.
11889 * gimple-low.c (lower_omp_directive): New.
11890 (lower_stmt): Call it.
11891 (record_vars_into): Move from ...
11892 (record_vars): ... here.
11893 Call record_vars_into with current_function_decl.
11895 * gimplify.c (struct gimplify_ctx): Remove fields
11896 combined_pre_p and combined_ctxp. Update users.
11897 (get_formal_tmp_var): Add documentation.
11898 (gimple_boolify): Make extern.
11899 (gimplify_expr_in_ctx): Remove. Update callers.
11900 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11901 will always be a BIND_EXPR.
11902 (gimplify_expr): Handle OMP_RETURN_EXPR.
11903 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11904 (OMP_PARALLEL): Add 3 operands.
11905 (OMP_SECTIONS): Add 1 operand.
11906 (OMP_RETURN_EXPR): Define.
11908 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11909 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11910 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11911 creating a circular free list.
11912 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11914 * tree-flow.h (move_sese_region_to_fn): Declare.
11915 (record_vars_into): Declare.
11916 * tree-cfg.c (make_omp_sections_edges): New.
11917 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11918 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11919 OMP_SECTIONS and OMP_SECTION.
11920 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11921 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11922 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11923 (gather_blocks_in_sese_region): New.
11924 (struct move_stmt_d): Declare.
11925 (move_stmt_r): New.
11926 (move_block_to_fn): New.
11927 (move_sese_region_to_fn): New.
11929 * passes.c (init_optimization_passes): Schedule
11930 pass_expand_omp after pass_init_datastructures.
11932 * tree-ssa-operands.c (get_expr_operands): Handle
11933 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11934 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11936 2006-01-19 Jeff Law <law@redhat.com>
11938 * tree-vrp.c (extract_range_from_assert): Refine the result range
11939 if the variable referenced by the ASSERT_EXPR has a range and
11940 either the tentative result range or the previous range is a
11943 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11945 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11947 2006-01-19 Jan Hubicka <jh@suse.cz>
11949 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11951 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11953 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11954 (expand_compound_operation, expand_field_assignment): Fail if the
11955 bit lengths of an extract operation are out of range.
11956 (make_extraction): Compute wanted_inner_mode based on the position
11957 and length of the extraction. Make it extraction_mode for non-constant
11958 positions, and do not modify offset in that case. When generating a
11959 new MEM, use a mode that can hold the extraction while keeping correct
11960 alignment. Remove code that supported MEMs wrapped by USEs.
11961 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11963 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11965 * config/s390/s390.md ("Y", "y"): New mode attribute.
11966 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11967 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11968 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11969 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11970 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11971 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11972 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11973 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11974 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11975 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11976 "addsi3", "subsi3"): Insn patterns removed.
11977 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11978 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11979 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11980 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11981 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11982 "*sub<mode>3_cconly2"): New insn patterns.
11983 ("addsi3", "subsi3"): New expanders.
11985 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11987 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11988 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11989 existing STMT_VINFO_VECTYPE if available.
11990 (vect_mark_relevant): Add special handling for stmts that are
11991 marked as STMT_VINFO_IN_PATTERN_P.
11992 (vect_analyze_loop): Call vect_pattern_recog.
11993 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11994 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11996 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11997 (vect_recog_func_ptr): New function-pointer type.
11998 * tree-vect-patterns.c: New file.
11999 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12000 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12001 (vect_pattern_recog_1): New functions.
12002 (vect_pattern_recog_funcs): New array of function pointers.
12004 * tree-vectorizer.h (ternary_op): New enum value.
12005 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12006 declaration. Revised documentation. Removed redundant dump prints.
12007 Removed redundant argument. Added support for reduction patterns.
12008 (vectorizable_reduction): Added support for reduction patterns.
12009 (vect_transform_stmt): Added support for patterns.
12011 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12012 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12013 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12014 (expand_widen_pattern_expr): New function.
12015 (init_optabs): Initialize new optabs udot_prod_optab,
12017 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12018 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12019 (expand_widen_pattern_expr): New function declaration.
12020 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12022 * tree-inline.c (estimate_num_insns_1): Added cases for new
12023 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12024 * tree-pretty-print.c (dump_generic_node): Likewise.
12025 (op_prio): Likewise.
12026 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12027 * tree-ssa-operands.c (get_expr_operands): Added case for
12029 * tree-vect-patterns.c (widened_name_p): New function.
12030 (vect_recog_dot_prod_pattern): Added function implementation.
12031 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12032 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12033 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12034 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12036 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12037 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12038 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12039 (init_optabs): Initialize new optabs widen_ssum_optab,
12041 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12042 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12043 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12044 use instead of type of def.
12045 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12046 function implementation.
12047 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12048 widen_ssumv8hi): New.
12050 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12053 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12056 * c-decl.c (add_flexible_array_elts_to_size): New function.
12057 (finish_decl): Use it.
12059 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12061 * diagnostic.h: Include options.h.
12062 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12063 dependancies for diagnostic.h.
12064 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12066 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12068 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12069 (ssa_ro_call_cache_valid): Ditto.
12070 * tree-ssa-alias.c (sort_tags_by_id): New function.
12071 (init_transitive_clobber_worklist): Ditto.
12072 (add_to_worklist): Ditto.
12073 (mark_aliases_call_clobbered): Ditto.
12074 (compute_tag_properties): Ditto.
12075 (set_initial_properties): Ditto.
12076 (compute_call_clobbered): Ditto.
12077 (compute_may_aliases): Call compute_call_clobbered and grouping.
12078 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12079 (compute_flow_insensitive_aliasing): Grouping now happens in our
12081 (setup_pointers_and_addressables): Remove clobbering related code.
12082 (add_may_alias): Ditto.
12083 (replace_may_alias): Ditto.
12084 (get_nmt_for): Ditto.
12085 (create_global_var):
12086 (is_escape_site): Return an escape_type enumeration.
12087 * tree-flow-inline.h (is_call_clobbered): Global var does not
12088 imply call clobbered.
12089 (mark_call_clobbered): Take a reason for marking this. Remove
12090 marking of globalness, and cache invalidation.
12091 (clear_call_clobbered): Remove cache invalidation code.
12092 * tree-dfa.c (dump_variable): If details is on, dump the reason
12094 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12096 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12097 (struct var_ann_d): Ditto.
12098 (enum escape_type): New.
12099 (mark_call_clobbered): Adjust prototype.
12100 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12101 are never call clobbered.
12102 Record reasons for escaping.
12103 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12104 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12105 (ssa_ro_call_cache_valid): Ditto.
12106 (clobbered_v_may_defs): Ditto.
12107 (clobbered_vuses): Ditto.
12108 (ro_call_vuses): Ditto.
12109 (clobber_stats): New.
12110 (init_ssa_operands): Zero out clobber stats.
12111 (fini_ssa_operands): Print out clobber stats.
12112 (get_call_expr_operands): Pass callee fndecl to
12113 add_call_read_ops).
12114 (add_call_clobber_ops): Remove use of cache.
12115 Add use of PURE_CONST information.
12116 (add_call_read_ops): Remove use of cache.
12117 Add use of static not_read information.
12119 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12121 Introduce TLS descriptors for i386 and x86_64.
12122 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12123 (TARGET_ANY_GNU_TLS): New macro.
12124 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12125 (struct machine_function): Add tls_descriptor_call_expanded_p.
12126 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12127 (ix86_current_function_calls_tls_descriptor): Likewise.
12128 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12129 (override_options): Introduce gnu2 tls dialect.
12130 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12132 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12134 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12135 (ix86_init_machine_status): Initialize new field.
12136 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12137 (ix86_tls_module_base): New.
12138 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12139 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12140 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12141 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12142 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12143 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12144 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12145 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12146 * config/i386/predicates.md (tls_modbase_operand): New.
12147 (tp_or_register_operand): New.
12149 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12151 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12152 (look_for_address_of): Ditto.
12153 (ipa_init): Walk the function decls.
12154 (static_execute): Don't set readonly on FUNCTION_DECL's.
12156 2006-01-18 Roger Sayle <roger@eyesopen.com>
12158 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12159 for shifts where the source and destination registers are different.
12161 2006-01-18 Paul Brook <paul@codesourcery.com>
12163 Merge from csl-arm-branch.
12164 2005-03-14 Julian Brown <julian@codesourcery.com>
12165 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12166 (aeabi_llsl): Likewise.
12167 (ashrdi3): Likewise.
12168 (aeabi_lasr): Likewise.
12169 (lshrdi3): Likewise.
12170 (aeabi_llsr): Likewise.
12171 2005-03-10 Julian Brown <julian@codesourcery.com>
12172 * config.gcc: Disable shared libgcc for SymbianOS.
12173 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12175 2006-01-18 DJ Delorie <dj@redhat.com>
12177 * c-pragma.c (handle_pragma_diagnostic): New.
12178 (init_pragma): Register it.
12179 * doc/extend.texi: Document it.
12181 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12182 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12183 (diagnostic_context): Add classify_diagnostic[].
12184 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12185 as errors if they're overridden to DK_WARNING.
12186 (diagnostic_initialize): Initialize classify_diagnostic[].
12187 (diagnostic_set_kind_override): New.
12188 (diagnostic_report_diagnostic): Check for kind changes.
12189 * opts.c (common_handle_option): Take lang_mask. Update callers.
12190 Handle OPT_Werror_.
12191 * common.opt (Werror=): New.
12192 * doc/invoke.texi: Document -Werror=*
12194 2006-01-18 Jeff Law <law@redhat.com>
12196 * tree-vrp.c (test_for_singularity): Correct test for new
12197 min limit. Use operand_equal_p rather than pointer equality
12198 for testing if new min/max values are equal.
12200 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12201 using range information until after propagation and folding.
12203 2006-01-18 Richard Henderson <rth@redhat.com>
12204 Aldy Hernandez <aldyh@redhat.com>
12205 Jakub Jelinek <jakub@redhat.com>
12206 Diego Novillo <dnovillo@redhat.com>
12208 * omp-low.c: New file.
12209 * c-omp.c: New file.
12211 2006-01-18 Richard Henderson <rth@redhat.com>
12212 Jakub Jelinek <jakub@redhat.com>
12213 Diego Novillo <dnovillo@redhat.com>
12215 * doc/invoke.texi: Document -fopenmp.
12216 * tree-dump.h (debug_function): Declare.
12217 * hooks.c (hook_bool_tree_bool_false): New function.
12218 (hook_tree_tree_null): Remove.
12219 (hook_tree_tree_tree_null): New.
12220 * hooks.h: Update to match.
12221 * tree-pretty-print.c (debug_tree_chain): New.
12222 (print_generic_expr): Handle TDF_CHAIN.
12223 (dump_generic_node): Handle BLOCK.
12224 Do not abort with incomplete SWITCH_EXPRs.
12225 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12226 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12227 print space after directive name.
12228 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12229 Handle OMP_MASTER and OMP_ORDERED.
12230 Handle printing of OMP_BODY just in one place, goto
12231 dump_omp_body in the rest of OMP_* nodes that have
12233 Don't handle clause nodes here. Update omp statements to
12234 use dump_omp_clauses.
12235 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12236 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12237 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12238 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12239 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12240 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12241 Adjust output for GOMP_PARALLEL.
12242 (dump_omp_clauses): New.
12243 (print_declaration): Dump DECL_VALUE_EXPR.
12244 (op_symbol_1): Split out of op_symbol.
12245 (dumping_stmts): Remove. Update all users.
12246 * cgraph.c (cgraph_analyze_queue): New.
12247 (cgraph_add_new_function): New.
12248 * cgraph.h (cgraph_analyze_queue): Declare.
12249 (cgraph_add_new_function): Declare.
12250 (cgraph_lower_function): Remove.
12251 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12252 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12253 and TYPE_P nodes in its default clause.
12254 (empty_body_p): New.
12255 (tree_range_check_failed): New.
12256 (build5_stat): New.
12257 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12258 OMP_CLAUSE_REDUCTION_MERGE,
12259 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12260 OMP_CLAUSE_PRIVATE_DEBUG,
12261 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12262 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12263 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12264 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12265 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12266 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12267 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12268 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12269 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12270 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12271 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12272 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12273 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12274 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12275 (TREE_RANGE_CHECK): New.
12276 (empty_body_p): Declare.
12277 (enum omp_clause_default_kind): New.
12278 (build_string_literal): Declare.
12279 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12280 (build5_stat, build5): Declare.
12281 * tree-pass.h (TDF_CHAIN): Define.
12282 * tree-pass.h (PROP_gimple_lomp): Define.
12283 (pass_lower_omp): Declare.
12284 * diagnostic.h (debug_tree_chain): Declare.
12285 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12287 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12288 * builtins.c (build_string_literal): Make extern.
12289 * gcc.c (include_spec_function): New.
12290 (static_spec_functions): Add it.
12291 (main): Move load of libgomp.spec ...
12292 (LINK_COMMAND_SPEC): ... here.
12293 (link_gomp_spec): New.
12294 (static_specs): Include it.
12295 (LINK_COMMAND_SPEC): Add link_gomp.
12296 (GOMP_SELF_SPECS): New.
12297 (driver_self_specs): Include it.
12298 (switch_matches): Don't mark inline.
12299 (main): Load libgomp.spec.
12300 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12301 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12302 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12303 * tree-gimple.h (enum omp_parallel): Declare.
12304 (determine_parallel_type): Declare.
12305 (omp_firstprivatize_variable): Declare.
12306 (omp_reduction_init): Declare.
12307 (diagnose_omp_structured_block_errors): Declare.
12308 (struct walk_stmt_info): Add want_return_expr.
12309 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12310 (find_omp_clause): Declare.
12311 (insert_field_into_struct): Declare.
12312 (struct walk_stmt_info): Move from tree-nested.c
12313 (walk_stmts): Declare.
12314 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12316 * cgraphunit.c (cgraph_lower_function): Make static.
12317 (cgraph_finalize_pending_functions): New.
12318 (cgraph_finalize_function): Call it.
12319 (cgraph_finalize_compilation_unit): Likewise.
12320 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12321 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12322 (BT_FN_UINT_UINT): New.
12323 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12324 DEF_FUNCTION_TYPE_VAR_4): Document.
12325 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12326 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12327 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12328 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12329 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12330 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12331 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12332 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12333 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12334 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12335 into separate files.
12336 (DEF_GOMP_BUILTIN): New.
12337 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12338 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12339 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12340 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12341 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12342 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12343 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12344 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12345 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12346 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12347 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12348 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12349 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12350 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12351 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12352 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12353 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12354 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12355 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12356 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12357 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12358 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12359 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12360 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12361 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12362 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12363 * sync-builtins.def: New file, moved from builtins.def.
12364 * omp-builtins.def: New file, moved from builtins.def.
12365 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12366 * gimple-low.c (lower_function_body): Clear data.
12367 (lower_stmt): Do not handle COMPOUND_EXPR.
12368 Remove call to print_node_brief.
12369 * c-tree.h (c_finish_omp_clauses): New prototype.
12370 (C_DECL_THREADPRIVATE_P): Define.
12371 (lookup_name_no_remap, c_omp_remap_private): Remove
12372 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12373 (check_for_loop_decls): Update decl.
12374 (lookup_name_no_remap, c_omp_remap_private): Declare.
12375 (build_indirect_ref, build_modify_expr, pushdecl,
12376 pushdecl_top_level): Move to c-common.h.
12377 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12378 before the switch, but just in the 2 places that need it.
12379 * c-decl.c (diagnose_mismatched_decls): Do not check for
12380 mismatched thread-local attributes when OLDDECL is marked
12381 threadprivate and NEWDECL has no thread-local attributes.
12382 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12383 (c_gimple_diagnostics_recursively): Rename from
12384 c_warn_unused_result_recursively. Invoke
12385 diagnose_omp_structured_block_errors.
12386 (check_for_loop_decls): Return a singular decl found.
12387 * langhooks.c (lhd_omp_predetermined_sharing): Return
12388 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12389 (lhd_omp_firstprivatize_type_sizes): New.
12390 (lhd_omp_assignment): New.
12391 (lhd_omp_predetermined_sharing): New.
12392 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12393 (struct lang_hooks_for_types): Add
12394 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12395 omp_predetermined_sharing, omp_disregard_value_expr,
12396 omp_private_debug_clause, omp_clause_default_ctor,
12397 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12398 (c_finish_omp_clauses): New.
12399 (c_finish_bc_stmt): Diagnose break within omp for.
12400 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12401 (build_unary_op): Return error_mark after reporting
12403 (build_modify_expr): Likewise.
12404 * gimplify.c: Include optabs.h and pointer-set.h.
12405 (enum gimplify_omp_var_data): Declare.
12406 (struct gimplify_omp_ctx): Declare.
12407 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12409 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12410 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12411 (splay_tree_compare_decl_uid): New.
12412 (new_omp_context): New.
12413 (delete_omp_context): New.
12414 (gimple_add_tmp_var): Call omp_add_variable.
12415 (gimplify_bind_expr): Likewise.
12416 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12417 true, disregard DECL_VALUE_EXPR on the decl if any.
12418 (gimplify_expr_in_ctx): New.
12419 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12420 omp_add_variable, omp_notice_variable, omp_is_private
12421 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12422 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12423 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12424 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12425 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12426 gimplify_omp_atomic): New.
12427 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12428 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12429 OMP_CRITICAL and OMP_ATOMIC.
12430 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12431 * c-pragma.h (enum pragma_kind): Add
12432 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12433 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12434 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12435 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12436 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12437 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12438 PRAGMA_OMP_THREADPRIVATE.
12439 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12440 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12441 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12442 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12443 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12444 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12445 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12446 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12447 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12448 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12449 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12450 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12451 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12453 (struct nesting_info): Add field_map,
12454 suppress_expansion, debug_var_chain.
12455 (create_nesting_tree): Initialize them.
12456 (lookup_field_for_decl): Use field_map.
12457 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12458 (convert_local_omp_clauses): New.
12459 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12460 (walk_body): Split out of walk_function.
12461 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12462 (convert_nonlocal_reference): Handle omp statements.
12463 (convert_local_reference): Likewise.
12464 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12465 (unnest_nesting_tree): New.
12466 (lower_nested_functions): Call it.
12467 (insert_field_into_struct): Make extern.
12468 (struct walk_stmt_info): Move to tree-gimple.h.
12469 (walk_stmts): Make extern.
12470 * omp-builtins.def: New file.
12471 * tree-iterator.c (expr_only): Clarify comment.
12472 * c-common.h (pushdecl_top_level, pushdecl,
12473 build_modify_expr, build_indirect_ref,
12474 c_finish_omp_master, c_finish_omp_critical,
12475 c_finish_omp_ordered, c_finish_omp_barrier,
12476 c_finish_omp_atomic, c_finish_omp_flush,
12477 c_finish_omp_for, c_split_parallel_clauses,
12478 omp_clause_default_kind, c_omp_sharing_predetermined,
12479 c_omp_remap_decl): Declare.
12480 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12481 (OBJS-common): Add omp-low.o.
12482 (c-omp.o, omp-low.o): Add.
12483 (gimplify.o): Add dependency on $(OPTABS_H).
12484 (GTFILES): Add omp-low.c.
12485 (gt-stringpool.h): Add.
12486 * tree-cfg.c (set_bb_for_stmt): Do not update the
12487 block-to-labels map if we are currently expanding to RTL.
12488 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12490 Handle IDENTIFIER_NODE.
12491 (tree_verify_flow_info): Do not ICE when emitting error
12492 messages about invalid labels.
12493 (dump_function_to_file): Reset CFUN before emitting the body
12495 (debug_function): New.
12496 * passes.c (init_optimization_passes): Schedule
12498 * langhooks-def.h (lhd_omp_predetermined_sharing,
12499 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12501 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12502 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12503 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12504 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12505 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12506 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12507 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12508 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12509 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12510 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12511 (LANG_HOOK_DECLS): Use them.
12513 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12514 Richard Henderson <rth@redhat.com>
12515 Jakub Jelinek <jakub@redhat.com>
12516 Diego Novillo <dnovillo@redhat.com>
12518 * c-parser.c (pragma_omp_clause): Define.
12519 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12520 (c_parser_compound_statement): Likewise.
12521 (c_parser_statement): Likewise.
12522 (c_parser_pragma): Handle omp pragmas.
12523 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12524 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12525 (c_parser_omp_clause_name, check_no_duplicate_clause,
12526 c_parser_omp_variable_list,
12527 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12528 c_parser_omp_clause_copyprivate,
12529 c_parser_omp_clause_default,
12530 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12531 c_parser_omp_clause_lastprivate,
12532 c_parser_omp_clause_nowait,
12533 c_parser_omp_clause_num_threads,
12534 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12535 c_parser_omp_clause_reduction,
12536 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12537 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12538 c_parser_omp_atomic, c_parser_omp_barrier,
12539 c_parser_omp_critical, c_parser_omp_flush,
12540 c_parser_omp_for_loop, c_parser_omp_for,
12541 c_parser_omp_master, c_parser_omp_ordered,
12542 c_parser_omp_sections_scope, c_parser_omp_sections,
12543 c_parser_omp_parallel, c_parser_omp_single,
12544 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12545 * c-pragma.c (init_pragma): Do omp pragma registration here.
12546 * c.opt (fopenmp): New flag.
12548 2006-01-18 Eric Christopher <echristo@apple.com>
12550 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12551 * config/darwin.h (GOMP_SELF_SPECS): Define.
12553 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12555 * rtl.h: Remove the prototype for reg_alloc.
12557 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12560 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12561 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12562 sjlj and dwarf2 exception handling.
12563 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12564 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12565 * pa/pa.c (function_value): Treat complex and vector types as
12567 (function_arg): Likewise. Only pass scalar floats in the floating
12568 point argument registers.
12569 * pa/t-slibgcc-dwarf-ver: New file.
12570 * pa/t-slibgcc-sjlj-ver: New file.
12571 * pa/t-slibgcc-elf-ver: Delete file.
12573 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12575 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12576 unlikely_test_section_p test.
12578 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12580 * mode-switching.c (optimize_mode_switching): Make it static.
12581 * basic-block.h: Remove the prototype for
12582 optimize_mode_switching.
12584 * modulo-sched.c (sms_schedule): Make it static.
12585 * rtl.h: Remove the prototype for sms_schedule.
12587 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12588 * rtl.h: Remove the prototype for gcse_after_reload_main.
12590 * reg-stack.c (reg_to_stack): Make it static.
12591 * rtl.h: Remove the prototype for reg_to_stack.
12593 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12595 * rtl.h: Remove the prototypes for regrename_optimize and
12596 copyprop_hardreg_forward.
12598 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12600 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12601 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12602 Test against the appropriate null constant for the mode.
12603 If 'fixup_overlap' is true, swap the operands if they overlap.
12604 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12605 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12606 alpha_split_tmode_pair and adjust for above change.
12607 * config/alpha/alpha.md (movtf_internal): Adjust call to
12608 alpha_split_tfmode_pair and rely on it to swap the operands.
12609 (movti_internal): New insn and post-reload splitter.
12610 (movti): New expander.
12612 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12614 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12617 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12619 * rtlanal.c (global_reg_mentioned_p_1,
12620 global_reg_mentioned_p): Remove.
12621 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12623 * flow.c (initialize_uninitialized_subregs): Make it static.
12624 * rtl.h: Remove the prototype for
12625 initialize_uninitialized_subregs.
12627 * function.c (instantiate_virtual_regs): Make it static.
12628 * function.h: Remove the prototype for
12629 instantiate_virtual_regs.
12631 * regmove.c (regmove_optimize, combine_stack_adjustments):
12633 * rtl.h: Remove the prototypes for regmove_optimize and
12634 combine_stack_adjustments.
12636 2006-01-17 Roger Sayle <roger@eyesopen.com>
12638 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12639 (size_cost): Encode costs in bytes so that a reg-reg addition is
12640 equivalent to COSTS_N_INSNS(1).
12641 (override_options): Use the size_cost.branch_cost as the default
12642 ix86_branch_cost when optimizing for size.
12644 2006-01-18 Ben Elliston <bje@au.ibm.com>
12646 * Makefile.in (D32PBIT_FUNCS): New.
12647 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12648 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12649 D64PBIT_FUNCS and D128PBIT_FUNCS.
12650 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12651 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12653 (decnumber_dep): Define.
12654 * doc/libgcc.texi (Decimal float library routines): New node.
12655 * config/dfp-bit.h, config/dfp-bit.c: New files.
12657 2006-01-18 Ben Elliston <bje@au.ibm.com>
12659 * expr.c (emit_move_change_mode): Always adjust addresses, not
12660 just during reload. Copy replacements only during reload.
12661 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12662 emit_move_via_integer.
12664 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12666 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12667 instead of $(srcdir) and ${srcdir}.
12669 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12672 PR middle-end/11135
12673 * arm.h (struct machine_function): Add pic_reg.
12674 * arm.c (arm_pic_register): Make unsigned.
12675 (arm_override_options): Only set arm_pic_register if
12676 TARGET_SINGLE_PIC_BASE.
12677 (use_return_insn): Only test for a pic register if it is fixed.
12678 (arm_compute_save_reg0_reg12_mask): Likewise.
12679 (thumb_compute_save_reg_mask): Likewise.
12680 (legitimate_pic_operand): Factor out some known invariants.
12681 (legitimize_pic_address): If we don't have a fixed pic register,
12682 then set up a pseudo in the function entry sequence. Handle the
12683 pic base being in a pseudo.
12684 (arm_load_pic_register): Handle the pic register being in a pseudo.
12685 (arm_expand_prologue): Only set up the pic register if it is fixed.
12686 (thumb_expand_prologue): Likewise.
12687 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12688 (pic_load_addr_based_insn): Likewise.
12689 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12692 2006-01-18 Ben Elliston <bje@au.ibm.com>
12694 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12695 decimal float modes for all floating point registers.
12697 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12698 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12700 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12703 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12704 even when the pointer is not NULL.
12706 2006-01-16 Ian Lance Taylor <ian@airs.com>
12708 * common.opt (ftoplevel-reorder): New option.
12709 * cgraph.c (cgraph_asm_nodes): New global variable.
12710 (cgraph_asm_last_node): New static variable.
12711 (cgraph_order): New global variable.
12712 (cgraph_create_node): Set new order field.
12713 (cgraph_varpool_node): Likewise.
12714 (decide_is_variable_needed): Return true if not
12715 flag_toplevel_reorder.
12716 (cgraph_add_asm_node): New function.
12717 * cgraph.h (struct cgraph_node): Add order field.
12718 (struct cgraph_varpool_node): Add order field.
12719 (struct cgraph_asm_node): Define.
12720 (cgraph_asm_nodes, cgraph_order): Declare.
12721 (cgraph_add_asm_node): Declare.
12722 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12724 (cgraph_varpool_assemble_pending_decls): Call it.
12725 (cgraph_output_pending_asms): New static function.
12726 (cgraph_finalize_compilation_unit): Call it.
12727 (struct cgraph_order_sort): Define.
12728 (cgraph_output_in_order): New static function.
12729 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12730 !flag_toplevel_reorder case.
12731 * c-parser.c: Include "cgraph.h".
12732 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12734 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12735 than -fno-unit-at-a-time.
12736 * doc/invoke.texi (Option Summary): Mention
12737 -fno-toplevel-reorder.
12738 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12739 -funit-at-a-time documentation.
12741 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12742 Kazu Hirata <kazu@codesourcery.com>
12744 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12746 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12748 * Makefile.in (FUNCTION_H): New. Use it instead of
12749 function.h throughout the file.
12750 * function.h: Include tree.h.
12752 2006-01-17 Ben Elliston <bje@au.ibm.com>
12754 * recog.c: Separate some functions with whitespace.
12756 2006-01-16 Richard Henderson <rth@redhat.com>
12758 Merge from gomp branch:
12759 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12760 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12761 and rename from struct inline_data. Rename callee* to dst*;
12762 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12763 transform_new_cfg, transform_return_to_modify, and
12764 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12766 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12767 (copy_decl_for_dup): Remove.
12768 * tree-inline.c (struct inline_data): Move to header.
12769 (insert_decl_map): Export.
12770 (remap_decl): Update for member name changes. Use copy_decl hook.
12771 Allow for replacement to be a non-decl. Remove dead code.
12772 (remap_type_1): Check for existing mapping.
12773 (remap_type): Export.
12774 (remap_decls): Update for member name changes.
12775 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12776 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12777 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12778 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12779 (tree_function_versioning, build_duplicate_type): Likewise.
12780 (copy_body_r): Likewise. Export.
12781 (copy_decl_for_dup): Split into ...
12782 (copy_decl_for_dup_finish, copy_decl_to_var,
12783 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12784 (replace_ref_tree, inlining_p): Remove.
12786 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12788 * ifcvt.c (if_convert): Make it static.
12789 * rtl.h: Remove the prototype for if_convert.
12791 * local-alloc.c (local_alloc): Make it static.
12792 * rtl.h: Remove the prototype for local_alloc.
12794 * loop.c (loop_optimize): Make it static.
12795 * cfgloop.h: Remove the prototype for loop_optimize.
12798 2006-01-16 DJ Delorie <dj@redhat.com>
12800 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12803 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12805 * pa.md: Disparage copies between general and floating-point registers
12806 in 32-bit move patterns.
12808 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12811 * Makefile.in (check-%): Depend on site.exp instead of
12812 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12815 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12817 * global.c (global_alloc): Make it static.
12818 * rtl.h: Remove the prototype for global_alloc.
12820 2006-01-16 Richard Guenther <rguenther@suse.de>
12822 * tree-ssa-alias.c (struct used_part): Add write_only field.
12823 (get_or_create_used_part_for): Initialize it to true.
12824 (create_overlap_variables_for): Don't create structure variables
12825 for structures that only are written to.
12826 (find_used_portions): Handle MODIFY_EXPR to track whether a
12827 structure is only written to.
12829 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12831 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12833 * basic-block.h: Remove the prototype for
12834 partition_hot_cold_basic_blocks.
12836 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12838 * cppspec.c (lang_specific_spec_functions): Remove.
12839 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12840 * gcc.h (lang_specific_spec_functions): Remove.
12841 * gccspec.c (lang_specific_spec_functions): Remove.
12843 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12845 * combine.c (record_value_for_reg): Invalidate registers
12847 (record_dead_and_set_regs_1): Likewise, by passing them to
12848 record_value_for_reg.
12849 (record_dead_and_set_regs): Invalidate stores made by a
12850 call. We do not combine across a call, but we still
12851 relied on equivalences.
12853 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12855 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12856 vrp_int_const_binop returning non-constant nodes.
12858 2006-01-16 Paul Brook <paul@codesourcery.com>
12860 * config/m68k/m68k.c (output_move_const_into_data_reg):
12861 Output correct mnemonic for mvz and mvs.
12863 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12865 * rtl-factoring.c: Add sequence abstraction algorithm.
12866 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12867 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12869 (block_has_preserve_label): New function.
12870 * common.opt: Register new pass.
12871 * Makefile.in: Ditto.
12873 * timevar.def: Ditto.
12874 * tree-pass.h: Ditto.
12875 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12876 * rtl.h (make_jump_insn_raw): Add forward decl.
12877 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12879 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12880 Roger Sayle <roger@eyesopen.com>
12882 * fold-const.c (fold_minmax): New static function.
12883 (fold_binary) <MIN_EXPR>: Call it.
12884 <MAX_EXPR>: Likewise.
12885 * stor-layout.c (place_field): Use DECL_SIZE consistently
12886 in the computation of the new record size.
12888 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12890 * cse.c (cse_condition_code_reg): Make it static.
12891 * rtl.h: Remove the prototype for cse_condition_code_reg.
12893 * combine.c (combine_instructions): Make it static.
12894 * rtl.h: Remove the prototype for combine_instructions.
12896 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12899 * tree.c (get_file_function_name_long): Concatenate the first global
12900 object name with a string derived from the input filename of the object
12903 2006-01-16 Ben Elliston <bje@au.ibm.com>
12905 * config/i386/winnt-stubs.c: Update FSF address.
12906 * config/xtensa/ieee754-df.S: Ditto.
12907 * config/xtensa/ieee754-sf.S: Ditto.
12909 2006-01-14 Ian Lance Taylor <ian@airs.com>
12911 * ifcvt.c (noce_init_if_info): New static function, broken out of
12912 noce_process_if_block.
12913 (noce_process_if_block): Call noce_init_if_info.
12914 (check_cond_move_block): New static function.
12915 (cond_move_process_if_block): New static function.
12916 (process_if_block): Call cond_move_process_if_block.
12918 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12920 * cselib.c (hash_table): Rename to cselib_hash_table.
12921 (cselib_clear_table, discard_useless_values,
12922 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12923 cselib_init, cselib_finish): Adjust uses of hash_table.
12925 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12927 PR tree-optimization/25485
12928 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12929 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12930 is known to be false and true, respectively.
12932 2006-01-14 Richard Guenther <rguenther@suse.de>
12934 PR tree-optimization/22548
12935 PR tree-optimization/22555
12936 PR tree-optimization/22501
12937 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12938 * params.def (salias-max-array-elements): New parameter.
12939 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12940 * doc/invoke.texi (salias-max-array-elements): Document.
12941 * tree-flow-inline.h (var_can_have_subvars): We also handle
12943 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12945 * tree-ssa-structalias.c (params.h): Include.
12946 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12947 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12948 (get_constraint_for): For ADDR_EXPR operating on something
12949 containing an ARRAY_REF, add all subvars to the solution.
12950 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12951 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12952 for creating MUST_DEFs.
12953 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12955 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12957 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12959 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12960 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12961 number_of_iterations_le): New functions.
12962 (number_of_iterations_special): Removed.
12963 (number_of_iterations_exit): Do not use number_of_iterations_special.
12964 * tree.c (unsigned_type_for): Always return integer type.
12966 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12967 Richard Guenther <rguenther@suse.de>
12969 PR rtl-optimization/24257
12970 * gcse.c (find_moveable_store): Only consider a store movable
12971 when the SET_SRC of the insn can be assigned to a register.
12973 2006-01-14 Ian Lance Taylor <ian@airs.com>
12975 * tree.c (tree_not_class_check_failed): New function.
12976 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12977 (tree_not_class_check_failed): Declare.
12979 2006-01-13 Ian Lance Taylor <ian@airs.com>
12981 * reload1.c (do_output_reload): Add assertion rejecting a
12984 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12986 * combine.c (struct reg_stat): Add new fields truncation_label and
12988 (record_value_for_reg): Reset truncated_to_mode.
12989 (record_truncated_value): New function.
12990 (check_promoted_subreg): Call it. Rename to check_conversions.
12991 (combine_instructions): Rename check_promoted_subreg to
12993 (reg_truncated_to_mode): New function.
12994 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12995 (gen_lowpart_or_truncate): New function.
12996 (force_to_mode): Use it instead of gen_lowpart.
12998 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13000 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13001 VAR is a tag, not its type tag.
13003 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13005 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13006 alternatives to match style of other entries.
13007 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13009 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13011 PR tree-optimization/25771
13012 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13015 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13018 * tree-inline.c (declare_return_variable): If the return variable
13019 was marked as a non gimple complex, set the return slot variable
13020 to be a non gimple comple variable.
13022 2006-01-13 Richard Guenther <rguenther@suse.de>
13024 * builtins.c (expand_builtin_sincos): New function.
13025 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13027 (expand_builtin): Expand sincos using expand_builtin_sincos.
13029 2006-01-12 DJ Delorie <dj@redhat.com>
13031 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13032 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13033 so that constant shifts can be split.
13034 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13035 (m32c_valid_pointer_mode): Make static.
13036 (shift_gen_func_for): New.
13037 (m32c_prepare_shift): Use it. Split large const shifts into
13039 * config/m32c/predicates.md (shiftcount_operand): Allow more
13041 (longshiftcount_operand): New.
13042 * doc/md.texi (Machine Constraints): Document In6.
13044 2006-01-13 Ben Elliston <bje@au.ibm.com>
13046 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13047 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13050 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13052 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13053 to try to avoid clobbering pieces of structures when we know
13054 something about the whole structure.
13055 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13057 2006-01-13 Ben Elliston <bje@au.ibm.com>
13059 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13060 return in memory, as this is no limitation is no longer present.
13062 2006-01-12 DJ Delorie <dj@redhat.com>
13064 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13065 mova with fb, and for fb+0 -> An.
13067 * config/m32c/mov.md (peephole2): Fix enabling logic.
13069 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13070 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13071 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13072 FINI_ARRAY_SECTION_ASM_OP): Define.
13074 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13076 (m32c_legitimize_reload_address): New logic to reload FB to An.
13077 (m32c_output_reg_push): Add newline.
13078 (m32c_output_reg_pop): Likewise.
13080 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13082 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13084 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13086 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13088 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13090 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13093 2006-01-11 Ben Elliston <bje@au.ibm.com>
13095 * rtlanal.c (find_reg_note): Assert insn is not null.
13097 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13099 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13102 2006-01-11 Jeff Law <law@redhat.com>
13104 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13106 (mark_threaded_blocks, register_jump_thread): New functions.
13107 (thread_through_all_blocks): Remove unwanted argument. No
13108 longer rely on e->aux to communicate thread target info.
13109 Call mark_threaded_blocks. Release the threaded_blocks
13110 bitmap and threaded_edges vector when complete.
13111 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13112 (threaded_blocks): Remove.
13113 (tree_ssa_dominator_optimize): Remove initialization and
13114 finalization of threaded_blocks. Simplify call to
13115 thread_through_all_blocks.
13116 (thread_across_edge): Call register_jump_thread rather than
13117 storing thread information into e->aux.
13118 (free_all_edge_infos): Simplify now that e->aux is no longer
13119 used to communicate with thread_through_all_blocks.
13120 * tree-flow.h (thread_through_all_blocks): Update prototype.
13121 (register_jump_thread): Prototype.
13123 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13125 * df-core.c (df_compact_blocks, df_bb_replace): Use
13126 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13128 2006-01-11 Richard Guenther <rguenther@suse.de>
13130 PR tree-optimization/25734
13131 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13132 stop propagation after successful propagation to the LHS.
13134 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13136 * basic-block.h (control_flow_graph): Change the type of
13137 x_basic_block_info to VEC(basic_block,gc) *.
13138 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13140 (SET_BASIC_BLOCK): New.
13141 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13142 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13143 * cfgbuild.c (find_basic_blocks): Likewise.
13144 * cfglayout.c (fixup_reorder_chain): Likewise.
13145 * cfgrtl.c (create_basic_block_structure,
13146 rtl_create_basic_block): Likewise.
13147 * ifcvt.c (find_if_case_1): Likewise.
13148 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13151 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13153 * Makefile.in: Removed rotted odf.c entry.
13155 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13158 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13159 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13160 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13161 output pattern modifier, not %e.
13162 * config/cris/cris.c (cris_op_str): Update comment about pattern
13164 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13165 before falling through into...
13166 <case 'E'>: Redefined from old 'e' case.
13168 2006-01-11 Jan Hubicka <jh@suse.cz>
13171 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13173 2006-01-11 Jan Hubicka <jh@suse.cz>
13175 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13176 * i386.c (x86_decompose_lea): Kill.
13177 (ix86_rtx_costs): Kill.
13179 2006-01-11 Jan Hubicka <jh@suse.cz>
13181 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13182 * cgraph.h (cgraph_node): Add inline_decl.
13183 (cgraph_insert_node_to_hashtable): Declare.
13184 (save_inline_function_body): Declare.
13185 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13187 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13188 (cgraph_function_versioning): Update call of tree_function_versioning.
13189 (save_inline_function_body): New function.
13190 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13191 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13192 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13193 (cgraph_default_inline_p): Likewise.
13194 (cgraph_decide_inlining_incrementally): Likewise.
13195 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13196 (copy_bb): Kill saving; do updating of clones.
13197 (copy_cfg_body): Kill saving.
13198 (initialize_inlined-parameters): Likewise.
13199 (expand_call_inline): Likewise.
13201 (tree_function_versioning): New parameter "update_clones".
13202 (inlining_p): Kill saving.
13203 * tree-inline.h (tree_function_versioning): Update prototype.
13204 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13207 2006-01-11 Ian Lance Taylor <ian@airs.com>
13209 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13210 Allow undoing set of machine mode.
13211 (do_SUBST): Use enums instead of is_int.
13212 (do_SUBST_MODE): New function.
13213 (SUBST_MODE): New macro.
13214 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13215 reg and trying to replace reg_regno_rtx with a new register.
13216 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13217 (simplify_set): Use SUBST_MODE.
13218 (distribute_notes): Remove code that tried to update reg notes
13219 for regno_reg_rtx changes.
13221 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13223 PR tree-optimization/23109
13224 PR tree-optimization/23948
13225 PR tree-optimization/24123
13227 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13228 * tree-cfg.c (single_noncomplex_succ): New.
13229 * tree-flow.h (single_noncomplex_succ): Declare it.
13230 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13231 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13232 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13233 insert_bb, register_division_in, insert_reciprocals,
13234 replace_reciprocal, free_bb): New.
13235 (execute_cse_reciprocals_1): Rewritten.
13236 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13237 Do not commit any edge insertion. Always compute dominators and
13238 create the allocation pool.
13239 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13240 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13241 * targhooks.c (default_min_divistions_for_recip_mul): New.
13242 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13243 * passes.c (init_optimization_passes): Run recip after tree loop
13245 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13247 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13248 Kenneth Zadeck <zadeck@naturalbridge.com>
13250 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13251 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13252 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13253 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13254 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13255 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13256 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13257 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13258 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13259 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13260 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13261 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13262 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13263 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13264 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13265 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13266 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13267 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13268 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13269 DF_SCAN_POST_ALLOC): New macros.
13270 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13271 df_free_bb_function, df_local_compute_function, df_init_function,
13272 df_dataflow_function, df_confluence_function_0,
13273 df_confluence_function_n, df_transfer_function,
13274 df_finalizer_function, df_free_function, df_dump_problem_function,
13275 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13276 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13277 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13278 df_urec_bb_info, ) New types.
13279 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13281 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13282 df_analyze_simple_change_some_blocks,
13283 df_analyze_simple_change_one_block, df_compact_blocks,
13284 df_bb_replace, df_bb_regno_last_use_find,
13285 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13286 df_insn_regno_def_p, df_find_def, df_find_use,
13287 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13288 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13289 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13290 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13291 debug_df_chain, df_get_dependent_problem, df_chain_create,
13292 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13293 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13294 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13295 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13296 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13297 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13298 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13299 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13300 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13301 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13302 df_reorganize_refs, df_set_state, df_hard_reg_init,
13303 df_read_modify_subreg_p) New public functions.
13304 * df-core.c: The core dataflow solver and glue routines for rtl
13306 (df_init, df_add_problem, df_set_blocks, df_finish,
13307 df_hybrid_search_forward, df_hybrid_search_backward,
13308 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13309 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13310 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13311 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13312 df_reg_defined, df_find_use, df_reg_used, df_dump,
13313 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13314 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13315 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13316 debug_df_useno, reset_df_after_reload): New functions.
13317 * df-scan.c: The scanning fuctions, once in df.c, completely
13318 rewritten so that they now fully model the functionality of
13319 register usage at the backend.
13320 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13321 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13322 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13323 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13324 df_get_artificial_defs, df_get_artificial_uses,
13325 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13326 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13327 df_refs_delete, df_reorganize_refs, df_set_state,
13328 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13329 df_def_record_1, df_defs_record, df_uses_record,
13330 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13331 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13332 df_record_exit_block_uses, df_hard_reg_init): New functions.
13334 * df-problems.c: Seven concrete dataflow problems that use the
13335 scanning in df-scan.c and are solved by the engine in df-core.c.
13336 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13337 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13338 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13339 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13340 df_ru_free_bb_info, df_ru_alloc,
13341 df_ru_bb_local_compute_process_def,
13342 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13343 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13344 df_ru_transfer_function, df_ru_free, df_ru_dump,
13345 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13346 df_rd_free_bb_info, df_rd_alloc,
13347 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13348 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13349 df_rd_transfer_function, df_rd_free, df_rd_dump,
13350 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13351 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13352 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13353 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13354 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13355 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13356 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13357 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13358 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13359 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13360 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13361 df_urec_mark_reg_use_for_earlyclobber,
13362 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13363 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13364 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13365 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13366 df_chain_create_bb_process_use, df_chain_create_bb,
13367 df_chain_finalize, df_chain_free, df_chains_dump,
13368 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13369 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13370 df_reg_lifetime): New functions.
13371 * df.c: Deleted file.
13372 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13373 consistent with new df api.
13374 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13375 rest_of_handle_sms): Ditto.
13376 * web.c (unionfind_union, union_defs, entry_register, web_main):
13378 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13379 invariant_expr_equal_p, find_defs, check_dependencies,
13380 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13381 free_inv_motion_data, move_loop_invariants): Ditto.
13382 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13383 Update dependencies.
13384 (odf.c): Added defective entry that was deleted later in day.
13385 * sched-deps.c (sched_analyze_1): Ditto.
13387 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13389 * tree-ssa-operands.c (get_expr_operands): Record addressable
13390 variables directly. Do not call add_stmt_operands for CONST_DECLs
13392 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13393 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13395 2006-01-11 Ben Elliston <bje@au.ibm.com>
13397 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13398 function returns true in the positive case.
13400 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13403 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13404 for SI, DI, SF and DF modes. Add alternatives to copy between
13405 general and floating point registers to the 32-bit patterns.
13406 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13407 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13408 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13409 generating 64-bit code.
13410 * config/pa/pa.c (output_move_double): Handle copies between general
13411 and floating registers.
13413 2006-01-10 Stuart Hastings <stuart@apple.com>
13415 * config/i386/i386.md (set_got): Update.
13416 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13417 (builtin_setjmp_receiver): Mach-O support.
13418 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13419 (GOT_SYMBOL_NAME): Define.
13420 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13421 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13422 * config/i386/i386.c (override_options): Revise for Darwin.
13423 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13424 support. (darwin_x86_file_end): New. (output_set_got): Add label
13425 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13426 * config/i386/i386-protos.h (output_set_got): Likewise.
13427 * config/darwin.c (machopic_legitimize_pic_address): Update
13430 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13432 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13433 when MODE isn't BLKmode.
13435 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13437 PR rtl-optimization/25367
13438 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13440 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13443 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13444 for a negative bound.
13446 2006-01-10 Richard Guenther <rguenther@suse.de>
13448 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13449 Never override with anything constraint.
13451 2006-01-10 Jan Beulich <jbeulich@novell.com>
13453 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13454 256 bits when optimize_size.
13456 2006-01-10 Jan Beulich <jbeulich@novell.com>
13458 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13460 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13461 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13464 2006-01-10 Ben Elliston <bje@au.ibm.com>
13466 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13468 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13469 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13470 (USE_FP_FOR_ARG): Reject decimal float modes.
13471 (function_arg_advance): Likewise.
13472 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13473 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13474 point types in AltiVec vectors.
13475 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13476 (rs6000_libcall_value): Likewise.
13478 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13480 * config/xtensa/ieee754-df.S: New file.
13481 * config/xtensa/ieee754-sf.S: New file.
13482 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13483 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13484 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13486 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13488 * config/sh/predicates.md (binary_float_operator,
13489 binary_logical_operator, commutative_float_operator,
13490 equality_comparison_operator, greater_comparison_operator,
13491 less_comparison_operator, logical_operator,
13492 noncommutative_float_operator, shift_operator,
13493 symbol_ref_operand, unary_float_operator): Remove redundant
13496 2006-01-09 Jeff Law <law@redhat.com>
13498 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13499 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13500 now unused arguments. Callers updated.
13501 (eliminate_redundant_computations): Remove now unused arguments,
13503 (local_fold): Remove, no longer used.
13504 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13506 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13507 (simplify_cond): New function.
13508 (forward_propagate_into_cond): Call simplify_cond.
13510 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13512 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13513 (*vec_extractv2di_1_sse): New.
13515 2006-01-09 Ben Elliston <bje@au.ibm.com>
13517 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13519 2006-01-08 Richard Guenther <rguenther@suse.de>
13521 * tree-ssa-structalias.c (get_constraint_for): Remove
13522 anyoffset argument.
13523 (get_constraint_for_component_ref): Likewise.
13524 (do_deref): Likewise.
13525 (get_constraint_for): Likewise.
13526 (do_structure_copy): Likewise.
13527 (handle_ptr_arith): Likewise.
13528 (find_func_aliases): Likewise. Remove unused need_anyoffset
13531 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13532 Kaz Kojima <kkojima@gcc.gnu.org>
13534 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13535 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13536 (EXTRA_CONSTRAINT_C16): Remove.
13537 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13538 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13539 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13540 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13541 constants of SHmedia. Handle nested constant expressions of
13543 (andcosts): Fix the costs for SHmedia constants.
13544 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13545 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13546 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13547 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13548 (movv4hi_i, movv2si_i): Likewise.
13549 (movsi_const): Adjust the second operand of ior so to match with
13550 the Csu constraint.
13551 (movdi_const, movdi_const_32bit): Likewise.
13552 (movdi_const_16bit+1): Don't sign-extend LOW.
13553 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13555 (*double_shori): Fix the split condition. Use GEN_INT instead
13556 of get_int_mode calls. Mask lower 16-bit of the argument of
13558 (sym2GOTPLT): Remove.
13559 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13561 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13562 instead of EXTRA_CONSTRAINT_C16.
13564 2006-01-07 Ian Lance Taylor <ian@airs.com>
13565 David Edelsohn <edelsohn@gnu.org>
13567 PR rtl-optimization/25662
13568 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13569 for constant operands instead of simplify_gen_binary.
13570 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13571 after trying simplify_binary_operation
13573 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13575 * tree.c (iterative_hash_expr): Hash decls based on UID.
13577 2006-01-06 Eric Christopher <echristo@apple.com>
13579 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13580 (TARGET_UNWIND_EMIT): Fix spelling.
13581 * target.h (gcc_target): Add except_table_label.
13582 * except.c (output_function_exception_table): Use.
13583 * varasm.c (default_emit_except_table_label): New.
13584 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13586 (asm_out): Add here.
13587 * output.h (default_emit_except_table_label): Prototype.
13588 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13589 * config/darwin.c (darwin_emit_except_table_label): Define.
13590 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13592 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13594 PR tree-optimization/18527
13595 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13596 number_of_iterations_special, number_of_iterations_exit):
13597 Move base and step of an iv to a single structure. Add
13598 no_overflow flag, and use it in # of iterations analysis.
13599 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13600 folded_casts argument.
13601 (simple_iv): Pass base and step in a structure. Set no_overflow
13603 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13604 Evaluate expensiveness of computing # of iterations instead of
13605 the final expression.
13606 * tree-scalar-evolution.h (affine_iv): New structure.
13607 (simple_iv): Declaration changed.
13608 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13609 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13610 find_givs_in_stmt): Changed due to simple_iv change.
13612 2006-01-06 Jeff Law <law@redhat.com>
13615 * tree-cfg.c (bsi_replace): Rename final argument from
13616 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13617 change (stmt -> orig_stmt).
13618 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13619 (bsi_remove): Add new argument. Remove EH information
13621 (verify_eh_throw_table_statements): New function.
13622 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13624 * tree-optimize.c (execute_free_cfg_annotations): Verify
13625 the EH throw statement table after removing annotations.
13626 * except.h (verify_eh_throw_table_statements): Prototype.
13627 * tree-flow.h (bsi_remove): Update prototype.
13628 * tree-vrp.c (remove_range_assertions): Add new argument to
13630 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13631 * tree-complex.c (expand_complex_div_wide): Likewise.
13632 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13633 * tree-tailcall.c (eliminate_tailcall): Likewise.
13634 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13635 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13636 * tree-nrv.c (tree_nrv): Likewise.
13637 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13638 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13639 (combine_blocks): Likewise.
13640 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13641 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13642 (cleanup_control_flow): Likewise.
13643 (remove_forwarder_block): Likewise.
13644 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13645 * tree-sra.c (sra_replace): Likewise.
13646 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13647 (forward_propagate_single_use_vars): Likewise.
13648 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13649 * tree-inline.c (expand_call_inline): Likewise.
13650 * tree-vect-transform.c (vect_transform_loop): Likewise.
13651 * tree-outof-ssa.c (rewrite_trees): Likewise.
13652 * tree-cfg.c (make_goto_expr_edges): Likewise.
13653 (cleanup_dead_labels): Likewise.
13654 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13655 (bsi_move_before, bsi_move_after): Likewise.
13656 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13657 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13659 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13662 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13664 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13665 on non gimple variables. Also add checks at the top for decls and
13667 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13669 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13670 and IMAGPART_EXPR for creating MUST_DEFs.
13671 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13672 and NAME_MEMORY_TAG separately from the DECLs.
13674 2006-01-06 Richard Guenther <rguenther@suse.de>
13676 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13677 annotation, if necessary.
13678 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13679 redundant calls to update_stmt.
13680 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13683 2006-01-05 Richard Henderson <rth@redhat.com>
13685 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13687 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13689 * c-typeck.c: Update copyright date.
13691 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13693 * c-typeck.c (build_c_cast): Always warn when casting
13694 from a pointer to an integer of different size, even if
13695 the node was constant.
13697 2006-01-05 Richard Guenther <rguenther@suse.de>
13699 PR tree-optimization/22555
13700 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13701 if one structure field is an array.
13702 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13703 operands even if we found a subvar, but ignore VOPs in this
13705 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13707 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13709 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13711 PR middle-end/24998
13712 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13714 2006-01-05 Richard Guenther <rguenther@suse.de>
13715 Diego Novillo <dnovillo@redhat.com>
13717 * tree-pass.h (TODO_remove_unused_locals): Define.
13718 * gimple-low.c (expand_var_p, remove_useless_vars,
13719 pass_remove_useless_vars): Remove. Update all users.
13720 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13721 (remove_unused_locals): New function.
13722 * tree-flow.h (remove_unused_locals): Declare.
13723 * passes.c (execute_todo): Call remove_unused_locals if
13724 TODO_remove_unused_locals is set.
13725 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13726 * tree-ssa-dce.c (pass_dce): Likewise.
13727 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13729 2006-01-05 Richard Guenther <rguenther@suse.de>
13731 * tree-flow.h (struct fieldoff): Decompose field to
13732 type, size and decl.
13733 * tree-ssa-alias.c (create_sft): Take type as parameter.
13734 (create_overlap_variables_for): Store type, size and decl
13735 in the fieldoff structure.
13736 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13737 of struct fieldoff.
13738 (push_fields_onto_fieldstack): Likewise.
13739 (create_variable_info_for): Likewise. Use offset for the
13740 SFT name if the decl is not available.
13742 2006-01-04 Paul Brook <paul@codesourcery.com>
13744 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13746 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13748 * lambda-code.c (can_put_in_inner_loop): Relax
13750 (can_put_after_inner_loop): New function.
13751 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13752 (perfect_nestify): Change to make copies and modify uses.
13754 2006-01-04 Richard Henderson <rth@redhat.com>
13756 Merge from gomp branch:
13757 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13758 via integer constant.
13759 (pragma_lex): Remove.
13760 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13761 rather than parsing it.
13762 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13763 handle_pragma_extern_prefix): Add %< %> quotes.
13764 (registered_pragmas): New.
13765 (c_register_pragma_1): New.
13766 (c_register_pragma): Use it.
13767 (c_register_pragma_with_expansion): Likewise.
13768 (c_invoke_pragma_handler): New.
13769 (init_pragma): Use cpp_register_deferred_pragma directly for
13771 * c-pragma.h (enum pragma_kind): New.
13772 (pragma_handler): New.
13773 (c_invoke_pragma_handler): Declare.
13774 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13776 * c-common.h (c_common_pch_pragma): Update decl.
13777 * Makefile.in (c-parser.o): Update dependencies.
13778 (GTFILES): Add c-pragma.h.
13779 * c-parser.c (struct c_token): Add pragma_kind.
13780 (struct c_parser): Add in_pragma.
13781 (c_lex_one_token): Always initialize keyword and pragma_kind.
13782 Extract data for CPP_PRAGMA.
13783 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13784 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13785 Don't allow CPP_PRAGMA_EOL if in_pragma.
13786 (c_parser_consume_pragma): New.
13787 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13788 (c_parser_skip_to_end_of_parameter): Likewise.
13789 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13790 (c_parser_skip_to_pragma_eol): New.
13791 (c_parser_external_declaration): Handle CPP_PRAGMA.
13792 (c_parser_compound_statement_nostart): Likewise.
13793 (c_parser_statement_after_labels): Likewise.
13794 (c_parser_pragma): New.
13795 (pragma_lex): Likewise.
13796 (c_parser_pragma_pch_preprocess): New.
13797 (c_parser_new): Merge into ...
13798 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13800 2006-01-04 Jeff Law <law@redhat.com>
13803 * tree-cfg.c (bsi_replace): Remove the original statement
13804 from the EH throw statement table.
13806 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13808 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13809 make the prototype extern "C" and add throw ().
13812 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13813 and pos non-negative and pos + len <= 32.
13814 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13815 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13816 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13819 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13820 as well as sizes not multiple of component size.
13823 * function.c (instantiate_expr): New function.
13824 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13825 walk its DECL_VALUE_EXPR with instantiate_expr.
13827 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13828 DW_OP_deref{,_size} if address isn't going to be added.
13830 2006-01-04 Ben Elliston <bje@au.ibm.com>
13832 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13833 * config/fp-bit.c: Likewise.
13835 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13837 * dominance.c: Add comment about why we use DFS numbering
13840 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13841 Richard Henderson <rth@redhat.com>
13843 Merge from gomp-branch:
13844 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13845 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13847 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13849 PR rtl-optimization/25578
13850 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13851 pass a parameter to simplify_shift_const if changing ASHIFTRT
13854 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13856 * builtins.c (get_builtin_sync_mem): New function.
13857 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13858 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13859 Call get_builtin_sync_mem to generate mem rtx.
13861 2006-01-03 Richard Guenther <rguenther@suse.de>
13864 * stmt.c (add_case_node): Make sure to clear overflow flags
13867 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13869 Merge from gomp-branch.
13870 * config/sparc/sync.md: New file.
13871 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13872 UNSPECV_LDSTUB): New constants.
13873 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13874 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13875 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13878 2006-01-03 Roger Sayle <roger@eyesopen.com>
13880 * combine.c (reg_subword_p): New predicate to test whether the
13881 destination of a set refers to a subword/piece of a register.
13882 (try_combine): Generalize the code to merge the setting of a
13883 pseudo to a constant followed by a set of a subword of that
13884 register to a constant.
13886 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13888 * basic-block.h (control_flow_graph): Change the type of
13889 x_label_to_block_map to VEC(basic_block,gc) *.
13890 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13891 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13893 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13894 VEC(basic_block,heap) *.
13895 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13896 ssa_prop_fini): Adjust the uses of cfg_blocks.
13898 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13900 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13902 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13903 hashing trees instead of a pointer hash.
13904 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13905 compare for MEM_EXPR.
13907 PR rtl-optimization/25130
13908 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13909 when comparing MEMs for GCSE
13911 2006-01-03 Ben Elliston <bje@au.ibm.com>
13913 * targhooks.h (default_decimal_float_supported_p): Declare.
13914 * targhooks.c (default_decimal_float_supported_p): Define.
13915 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13916 `default_decimal_float_supported_p'.
13917 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13919 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13921 * combine.c (apply_distributive_law <SUBREG>): Check
13922 TRULY_NOOP_TRUNCATION.
13924 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13926 * dwarf2out.c (have_switched_text_section): Delete.
13927 (have_multiple_function_sections): New.
13928 (have_location_lists): Make 'bool'.
13929 (add_AT_loc_list): Use 'true' not '1'.
13930 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13931 (output_loc_list): Use have_multiple_function_sections.
13932 (output_ranges): Likewise.
13933 (dwarf2out_begin_function): Set have_multiple_function_sections if
13935 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13936 Check function_section rather than DECL_SECTION_NAME.
13937 (dwarf2out_finish): Use have_multiple_function_sections.
13938 Don't clear have_location_lists.
13940 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13941 Jan Hubicka <jh@suse.cz>
13943 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13944 case of conditional jump jumping to the next instruction.
13945 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13946 cases of conditional jump jumping to the next instruction.
13948 2006-01-02 Jan Hubicka <jh@suse.cz>
13950 * i386.c (*_cost): Add COSTS_N_INSNS.
13951 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13953 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13956 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13958 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13960 * config/arm/arm.c (all_fpus): Fix comment typo.
13961 * config/darwin.c: Likewise.
13962 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13963 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13964 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13966 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13968 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13969 (rs6000_split_compare_and_swapqhi): New.
13970 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13971 (sync_compare_and_swapqhi_internal): New.
13972 * config/rs6000/rs6000-protos.h: Declare.