1 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4 * c-typeck.c (build_component_ref): Combine qualifiers of
5 structure or union and field.
7 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9 PR rtl-optimization/28071
10 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
11 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
12 * tree-into-ssa.c (struct dom_dfsnum): New.
13 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
15 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
16 compute_global_livein.
17 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
18 in phi nodes in the correct blocks.
20 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
22 PR tree-optimization/28364
23 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
25 (fold_affine_expr): New function.
26 (may_eliminate_iv): Use fold_affine_expr.
28 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
31 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
34 2006-08-16 Mike Stump <mrs@apple.com>
36 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
37 * doc/cppopts.texi (-MD): Likewise.
39 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
42 * c-common.c (handle_weak_attribute): Ignore and warn if
43 not a FUNCTION_ or VAR_DECL.
45 2006-07-15 Mike Stump <mrs@apple.com>
48 * c-parser.c (c_parser_typeof_specifier): Don't use
49 c_finish_expr_stmt, open code desired semantics instead.
51 2006-08-15 Nick Clifton <nickc@redhat.com>
53 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
54 fragment to tmake_file only if threads are enabled.
55 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
56 * config/i386/t-gthr-win32: New file. ... here.
58 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
61 * c-parser.c (c_parser_compound_statement_nostart): Reset
62 parser->error after each statement.
64 2006-08-15 Jakub Jelinek <jakub@redhat.com>
67 * omp-low.c (lower_omp_parallel): Convert t to
69 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
70 source before comparison.
73 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
74 to itype in assignment to oldival2.
76 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
80 * c-typeck.c (build_compound_expr): If the second expression
81 is an error mark, then just return an error mark instead of
82 creating a COMPOUND_EXPR.
84 2006-07-14 Mike Stump <mrs@apple.com>
86 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
88 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
90 * c-decl.c, var-tracking.c: Fix comment typos.
92 2006-08-14 Richard Sandiford <richard@codesourcery.com>
94 PR rtl-optimization/28634
95 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
96 for floating-point modes unless flag_unsafe_math_optimizations.
98 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
99 Andrew Pinski <pinskia@physics.uc.edu>
102 * tree.c (build_array_type): Unify array types with
103 unspecified index_type.
104 * c-decl.c (grokdeclarator): Make sure we do not modify a
105 unified incomplete array type.
106 * c-typeck.c (store_init_value): Create distinct type before
107 filling in the index type in an initializer from a compound
110 * c-decl.c (grokdeclarator): Remove code where we copy the
113 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
115 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
116 into account for TODO_dump_cgraph.
117 (TODO_update_ssa_no_phi): Likewise.
118 (TODO_update_ssa_full_phi): Likewise.
119 (TODO_update_ssa_only_virtuals): Likewise.
120 (TODO_remove_unused_locals): Likewise.
121 (TODO_set_props): Likewise.
122 (TODO_update_stmt_usage): Likewise.
124 2006-08-13 Dirk Mueller <dmueller@suse.de>
126 * c-common.c (strict_aliasing_warning): Fix formatting.
128 2006-08-13 Matthias Klose <doko@debian.org>
130 * doc/invoke.texi: Fix spelling errors.
132 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
134 PR rtl-optimization/23454
135 * reorg.c (relax_delay_slots): Update comment.
137 2006-08-11 Richard Guenther <rguenther@suse.de>
140 * simplify-rtx.c (simplify_const_relational_operation):
141 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
144 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
146 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
147 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
149 2006-08-10 Paul Brook <paul@codesourcery.com>
151 * final.c (final_scan_insn): Clear current_insn_predicate before
152 outputting inline asm.
154 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
156 PR tree-optimization/26197
157 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
158 get_ref_base_and_extent and overlap_subvar to add only relevant
159 subvars as may-aliases.
160 (add_may_alias_for_new_tag): New function, factored out of
162 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
163 with additional argument.
164 * tree-flow.h (new_type_alias): Takes additional argument.
166 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
168 * gcov.c (no_data_file): New flag.
169 (read_count_file): Set it if data file not present. Assume counts
171 (output_lines): Don't name the data file, if there wasn't one.
173 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
175 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
176 (rs6000_generate_compare): Tweak comments.
177 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
179 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
181 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
182 (var_debug_decl): New function.
183 (var_reg_set): Follow debug decl link. Add location even if
184 reg is already known to hold some other variable.
185 (var_mem_set): Follow debug decl link.
186 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
187 decl link. Delete other known locations of the variable part
189 (var_reg_delete, var_mem_delete): Delete other known locations
190 of the variable part if requested.
191 (same_variable_part_p): New function.
192 (add_stores): Select MO_COPY when appropriate.
193 (vt_initialize): Handle it.
194 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
195 known locations for MO_SET and MO_CLOBBER.
196 (find_variable_location_part): New function.
197 (set_variable_part, delete_variable_part): Use it.
198 (clobber_variable_part): New function.
199 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
202 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
204 PR tree-optimization/26969
205 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
206 with an empty list of PHIs.
208 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
212 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
215 2006-08-06 Andreas Schwab <schwab@suse.de>
217 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
218 string. Whitespace and comment fixup.
220 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
223 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
227 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
230 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
232 2006-08-04 Jan Hubicka <jh@suse.cz>
236 * reload.c (push_reload): Patch out the mismatching instruction;
238 (find_reload): Bail out if the instruction was patched out.
240 2006-08-04 Jan Hubicka <jh@suse.cz>
242 PR tree-optimization/24888
243 * tree-inline.c (expand_call_inline): Do not re-record variables.
244 (declare_inline_vars): Add variable to unexpanded_var_list.
246 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
247 Roger Sayle <roger@eyesopen.com>
249 PR rtl-optimization/26244
250 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
251 inner_const are negative or greater than or equal to the bitsize of
252 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
253 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
254 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
255 CONST0_RTX (mode) when the new shift count is greater than or equal to
256 to the bitsize of the object being shifted and XEXP (y, 0) has no side
259 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
261 * tree-cfg.c: Fix a comment typo.
263 2006-08-03 Mark Mitchell <mark@codesourcery.com>
266 * varasm.c (output_constant): Give the front end another chance to
267 expand constants, after stripping NOPs.
269 2006-08-03 Jan Hubicka <jh@suse.cz>
271 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
274 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
276 PR tree-optimization/27770
277 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
278 declaration removed (moved to tree-flow.h).
279 (vect_can_force_dr_alignment_p): Likewise.
280 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
281 (moved from tree-vectorizer.h).
282 (vect_can_force_dr_alignment_p): Likewise.
283 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
284 from outside the vectorizer - in particular from cgraph stage.
285 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
286 the alignment of global arrays when -fsection-anchors is enabled.
287 * cgraphunit.c (cgraph_increase_alignment): New function.
288 (cgraph_optimize): Call cgraph_increase_alignment.
290 2006-08-03 David Edelsohn <edelsohn@gnu.org>
293 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
294 not reload a SPE symbol_ref into a lo_sum address.
296 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
299 * dwarf2out.c (prune_unused_types_prune): Move call to
300 prune_unused_types_update_strings to cover the parent DIE also.
302 2006-08-02 Jan Hubicka <jh@suse.cz>
304 PR gcov/profile/28480
305 * tree-cfg.c (change_bb_for_stmt): New function.
306 (tree_merge_blocks, tree_split_blocks): Use it.
308 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
314 * toplev.c (compile_file): Return early on errorcount or sorrycount.
315 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
316 (cgraph_optimize): Likewise.
318 2006-08-01 Stuart Hastings <stuart@apple.com>
320 * rtl.h (UINTVAL) New.
321 * config/rs6000/rs6000.c (SMALL_INT) Use it.
322 * testsuite/gcc.dg/20060801-1.c: New.
324 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
327 * c-typeck.c (build_external_type): Mark used enum types.
328 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
330 (gen_subprogram_die): Whitespace fix.
332 2006-08-01 Jan Hubicka <jh@suse.cz>
334 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
335 bitmap when not needed.
336 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
339 2006-08-01 Dirk Mueller <dmueller@suse.de>
341 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
343 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
345 * Makefile.in: Revert part of previous patch:
346 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
349 2006-07-30 Eric Christopher <echristo@apple.com>
352 * doc/extend.texi (i386 Variable Attributes): Add anchor.
353 (PowerPC Variable Attributes): New section.
355 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
357 PR target/28126 (partial fix)
358 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
360 2006-07-28 Jan Hubicka <jh@suse.cz>
362 PR rtl-optimization/28071
363 * cfgrtl.c (rtl_delete_block): Free regsets.
364 * flow.c (allocate_bb_life_data): Re-use regsets if available.
366 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
368 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
369 and variables used in dependencies.
371 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
373 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
374 %fs for -mcmodel=kernel.
375 (stack_tls_protect_test_di): Likewise.
377 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
379 * Makefile.in: Use mkinstalldirs.
381 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
384 * opts-common.c (prune_options): Skip joined switches.
386 2006-07-27 Jan Hubicka <jh@suse.cz>
388 PR rtl-optimization/28071
389 * cselib.c (cselib_process_insn): Don't remove useless values too
390 often for very large hashtables.
392 2006-07-27 Jan Hubicka <jh@suse.cz>
394 PR rtl-optimization/28071
395 * global.c (greg_obstack): New obstack.
396 (allocate_bb_info): Use it.
397 (free_bb_info): Likewise.
398 (modify_reg_pav): Likewise.
400 2006-07-27 Roger Sayle <roger@eyesopen.com>
402 * builtins.c (fold_fixed_mathfn): When long and long long are the
403 same size, canonicalize llceil*, llfloor*, llround* and llrint*
404 functions to their lceil*, lfloor*, lround* and lrint* forms.
406 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
409 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
411 (rev_branch_insn): Likewise.
413 2006-07-27 Jan Hubicka <jh@suse.cz>
415 PR rtl-optimization/28071
416 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
417 (reg_set_in_bb, max_reg_computed): New static variables.
418 (regmove_optimize): Free the new array.
419 (fixup_match_1): Update call of reg_is_remote_constant_p.
421 2006-07-26 Jan Hubicka <jh@suse.cz>
423 PR tree-optimization/27882
424 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
426 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
428 (cgraph_analyze_compilation_unit): Likewise.
429 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
430 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
431 (cgraph_early_inlinine): Make order garbage collected.
432 * Makefile.in (gt-ipa-inline): New garbagecollected file.
434 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
436 * dbxout.c (output_types_sort): Add a comment.
437 (output_used_types): Free the VEC.
439 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
441 * function.c (reorder_fix_fragments): Delete.
442 (reorder_blocks): Don't call it.
443 (reorder_blocks_1): Put all subblocks under the origin block.
445 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
447 PR rtl-optimization/27907
448 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
451 2006-07-25 Roger Sayle <roger@eyesopen.com>
454 * convert.c (convert_to_integer): When transforming (T)foo(x) into
455 bar(x) check that bar's result type can represent all the values of T.
457 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
459 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
461 2006-07-25 Nick Clifton <nickc@redhat.com>
463 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
465 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
466 (ggc_pch_count_object): Likewise.
467 (ggc_pch_alloc_object): Likewise.
468 (ggc_pch_write_object): Likewise.
469 (init_ggc): Do not attempt to initialize entries in the
470 size_lookup[] array for objects whose size is greater than than
471 the length of the array.
473 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
475 * dbxout.c (output_used_types_helper): Push queued types
477 (output_types_sort): New.
478 (output_used_types): Collect used types on a VEC and sort them
481 2006-07-24 Richard Guenther <rguenther@suse.de>
484 * cgraph.c (cgraph_remove_node): Do not check if dumps
486 * cgraphunit.c (cgraph_optimize): Likewise.
488 2006-07-24 Jan Hubicka <jh@suse.cz>
490 PR rtl-optimization/28071
491 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
492 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
493 splitting before first stmt.
495 2006-07-24 Jan Hubicka <jh@suse.cz>
497 PR rtl-optimization/28071
498 * ipa-inline.c (update_caller_keys): Remove edges that
499 are no longer inline candidates.
501 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
504 * dbxout.c (output_used_types_helper, output_used_types): New.
505 (dbxout_symbol): Call output_used_types.
507 2006-07-23 Jan Hubicka <jh@suse.cz>
511 * cgraph.c (cgraph_varpool_nodes): Export.
512 (decide_is_variable_needed): Ignored "used" attribute in
514 * cgraph.h (cgraph_varpool_nodes): Declare.
515 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
518 2006-07-23 Roger Sayle <roger@eyesopen.com>
521 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
522 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
523 the __gthrw form of thr_keycreate.
524 (__gthread_key_delete): Silence the unused argument warning.
526 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
529 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
530 Cache the last found '\0' marker to avoid quadratic behavior.
532 2006-07-23 Jan Hubicka <jh@suse.cz>
534 * i386.md (subsi_3_zext): Fix output template.
536 2006-07-21 Mike Stump <mrs@apple.com>
538 * doc/invoke.texi (C++ Dialect Options): Note that
539 -fvisibility-inlines-hidden doesn't affect explicitly
540 instantiationed inline methods.
542 2006-07-20 Roger Sayle <roger@eyesopen.com>
544 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
545 if the target assembler is GNU binutils' gas.
546 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
547 whether to pass GNU gas or native as command line options.
549 2006-07-20 Jason Merrill <jason@redhat.com>
551 * tree.c (remove_attribute): New fn.
552 * tree.h: Declare it.
554 2006-07-20 Paul Brook <paul@codesourcery.com>
557 * cse.c (cse_insn): Add destination addresses to hash table. Check if
558 they are invalidated by this instruction.
560 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
563 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
565 2006-07-20 Eric Christopher <echristo@apple.com>
568 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
570 2006-07-19 Eric Christopher <echristo@apple.com>
572 * config/t-slibgcc-darwin (stmp-lipo): Remove.
573 Rewrite dependencies for libgcc_s.1.dylib.
575 2006-07-19 Jakub Jelinek <jakub@redhat.com>
577 * except.c (duplicate_eh_regions_1): Clear next_peer.
579 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
581 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
582 -mlongcall does not guarantee all calls will be long.
583 * doc/extend.texi (long_call/short_call): Document that longcall
584 does not guarantee a long call will be used.
585 (longcall/shortcall): Likewise.
587 2006-07-18 Roger Sayle <roger@eyesopen.com>
590 * expmed.c (expand_shift): Additionally check that the shift_cost
591 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
592 before implementing a LSHIFT_EXPR as a sequence of additions.
593 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
594 middle-end that DImode shifts need to be synthesized by expand.
596 2006-07-18 Diego Novillo <dnovillo@redhat.com>
599 * tree-ssa-operands.c (access_can_touch_variable): Update
601 Return true if ALIAS is .GLOBAL_VAR.
603 2006-07-18 David Daney <ddaney@avtrex.com>
605 * gcc.c (display_help): Fix typo in help text.
607 2006-07-18 Olivier Hainque <hainque@adacore.com>
609 * tree.h (categorize_ctor_elements): Adjust prototype and add
610 descriptive comment, both in accordance with the interface change
612 * varasm.c (constructor_static_from_elts_p): New function.
613 Whether a constructor node is a valid static constant initializer
614 if all its elements are.
615 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
616 * output.h: Declare it.
617 * expr.c (categorize_ctor_elements_1): Return whether the constructor
618 is a valid constant initializer instead of computing the number of
619 non-constant elements. Use constructor_static_from_elts_p for this
620 purpose. Replace the head comment with an indication that this is a
621 helper for categorize_ctor_elements.
622 (categorize_ctor_elements): Same interface change as for the _1
623 helper. Former head comment from this helper moved here, adjusted to
624 account for the interface changes.
625 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
626 (all_zeros_p): Likewise.
627 * gimplify.c (gimplify_init_constructor): Decide whether we can make
628 static versions of the constructor from the categorize_ctor_elements
629 return value instead of the formerly computed number of non-constant
632 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
634 * configure: Regenerate.
635 * Makefile.in (build_libsubdir): New configure substitution
636 (build_libobjdir): New variable.
637 (BUILD_LIBIBERTY): Use it.
639 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
642 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
644 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
647 * c-common.c (handle_weakref_attribute): Ignore attribute in
648 the same conditions the alias attribute is ignored.
650 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
652 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
653 (dbxout_begin_prologue): Increment scope_labelno.
655 2006-07-17 Richard Henderson <rth@redhat.com>
658 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
661 2006-07-17 Roger Sayle <roger@eyesopen.com>
662 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
664 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
665 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
666 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
667 functions such as sbrk, write, etc.. Add function prototypes.
668 Convert function declarations from K&R to ISO C. Cast pointers
669 to "long" and "unsigned long" instead of "int" and "unsigned int".
670 Convert tokens following #endif into comments.
672 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
674 * invoke.texi: Remove mention of f77; Reformat table for
675 inline parameter options correctly; mention that -malign-double
676 is default on x86-64 targets.
678 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
680 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
681 (convert_affine_scev, chrec_convert_aggressive): Use
682 avoid_arithmetics_in_type_p. Do not check for the subtypes
685 2006-07-17 Richard Sandiford <richard@codesourcery.com>
688 * optabs.c (expand_doubleword_shift): Wrap the call to
689 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
691 2006-07-17 Richard Sandiford <richard@codesourcery.com>
694 * optabs.c (expand_binop): Pass next_methods rather than methods
695 to expand_doubleword_shift.
697 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
700 * tree.h (dump_addr): Declare.
701 * print-tree.c (dump_addr): New function.
702 (print_node_brief, print_node): Use it.
703 * print-rtl.c (print_rtx): Likewise.
704 * common.opt (-fdump-noaddr): New option.
705 * doc/invoke.texi (-fdump-noaddr): Document.
706 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
707 (ve_info_hash): Likewise.
709 2006-07-13 Andrew Haley <aph@redhat.com>
711 PR tree-optimization/19505
712 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
713 edge leaving this block, make sure that the destination of this
714 block has only one predecessor.
716 2006-07-17 Richard Guenther <rguenther@suse.de>
718 PR tree-optimization/28238
719 * tree-inline.c (copy_bb): Check if we produced valid
720 gimple copying and substituting a stmt. If not, gimplify
723 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
725 * optabs.c (maybe_encapsulate_block): New function extracted from...
726 (emit_libcall_block): ...here. Invoke it on the block of insns to
727 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
728 (emit_no_conflict_block): Likewise.
730 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
732 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
734 2006-07-15 Roger Sayle <roger@eyesopen.com>
736 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
737 a new NOP_EXPR case of the switch statement.
739 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
742 * stor-layout.c (place_field): Take the bit field with
743 an excessive size into account in the ms-bitfiled case.
746 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
747 the previous bit field.
749 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
752 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
754 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
756 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
757 signal frames correctly even when the signal was installed with
760 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
762 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
763 (dbxout_function_end): Use local label LFBB. Remove hook
765 (dbxout_source_line): Use local label LFBB.
766 (dbxout_block): Likewise.
767 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
768 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
769 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
772 2006-07-13 Janis Johnson <janis187@us.ibm.com>
774 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
776 2006-07-13 Jan Hubicka <jh@suse.cz>
778 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
780 * output.h (align_variable): Declare.
781 * varasm.c (align_variable): Export.
782 * value-prof.c (tree_value_profile_transformations): Recompute iterator
783 when basic block changed.
785 2006-07-13 Nick Clifton <nickc@redhat.com>
787 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
788 walking the LOG_LINKS chain.
790 2006-07-12 Geoffrey Keating <geoffk@apple.com>
792 * doc/invoke.texi (C++ Dialect Options): Explain difference
793 between -fvisibility-inlines-hidden and setting hidden
794 visibility explicitly.
796 2006-07-12 Eric Christopher <echristo@apple.com>
798 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
799 (stmp-lipo): Depend on libgcc.a.
801 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
803 * tree.c: Fix a comment typo.
805 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
807 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
809 (umulhisi3_r): Likewise.
811 2006-07-12 Paolo Carlini <pcarlini@suse.de>
814 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
815 x < 19, vs wchar_t support.
817 2006-07-12 Nick Clifton <nickc@redhat.com>
819 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
822 2006-07-12 Mike Stump <mrs@apple.com>
824 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
826 2006-07-10 Eric Christopher <echristo@apple.com>
828 * config/t-slibgcc-darwin: Rewrite.
830 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
833 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
836 2006-07-08 Matthias Klose <doko@debian.org>
838 * doc/sourcebuild.texi: Fix typo.
840 2006-07-07 Mike Stump <mrs@apple.com>
842 * toplev.c (process_options): Don't give -ffunction-sections may
843 affect debugging warning for Mach-O.
845 2006-07-07 James E Wilson <wilson@specifix.com>
847 * config/mips/mips.md (cpu): Add sb1a.
848 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
849 addition to sb1. Adjust comments to clarify SB-1A differences from
851 (ir_sb1a_load): New. Modify bypasses to use it.
852 (ir_sb1a_simple_alu): Likewise.
853 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
854 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
855 (mips_issue_rate): Add PROCESSOR_SB1A.
856 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
857 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
858 (TARGET_SB1): Add PROCESSOR_SB1A check.
859 (TUNE_SB1): Likewise.
861 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
862 * config/mips/mips.c (mips_store_data_bypass_p): New.
863 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
866 2006-07-08 Paul Brook <paul@codesourcery.com>
869 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
871 2006-07-07 Richard Guenther <rguenther@suse.de>
874 * tree.h (build_one_cst): Declare.
875 * tree.c (build_one_cst): New function.
876 * tree-ssa-math-opts.c (get_constant_one): Remove.
877 (insert_reciprocals): Use build_one_cst.
878 * fold-const.c (fold_plusminus_mult): Likewise.
880 2006-07-07 Roger Sayle <roger@eyesopen.com>
882 * pointer-set.c (pointer_set_destroy): Correct whitespace.
883 * cfgloopanal.c (dump_graph): Likewise.
884 * dojump.c (discard_pending_stack_adjust): Likewise.
885 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
887 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
888 * function.c (finalize_block_changes): Likewise.
889 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
890 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
891 * rtl.c (dump_rtx_statistics): Likewise.
892 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
894 * varray.c (dump_varray_statistics): Likewise.
895 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
896 decode_decimal64, encode_decimal128, decode_decimal128,
897 decimal_real_to_decimal): Likewise.
899 2006-07-07 Richard Guenther <rguenther@suse.de>
901 PR tree-optimization/28187
902 * tree-vrp.c (vrp_operand_equal_p): New function.
903 (vrp_bitmap_equal_p): Likewise.
904 (update_value_range): Use them to compare old and new
907 2006-07-06 Roger Sayle <roger@eyesopen.com>
909 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
910 a default case to switch statement to silence compiler warnings.
912 2006-07-06 Roger Sayle <roger@eyesopen.com>
915 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
916 the configured assembler supports the x87's ffreep mnemonic.
917 * configure: Regenerate.
918 * config.in: Regenerate.
920 * config/i386/i386.c (output_387_ffreep): New function.
921 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
922 (output_387_reg_move): Likewise.
924 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
926 Port to hosts whose 'sort' and 'tail' implementations
927 treat operands with leading '+' as file names, as POSIX
928 has required since 2001. However, make sure the code still
929 works on pre-POSIX hosts.
930 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
931 which says you should use "tail -c +N" rather than "tail +Nc".
932 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
934 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
936 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
939 2006-07-06 David Edelsohn <edelsohn@gnu.org>
942 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
943 PRE_{INC,DEC} of TFmode.
945 2006-07-06 David Edelsohn <edelsohn@gnu.org>
946 Alan Modra <amodra@bigpond.net.au>
949 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
952 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
955 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
956 Remove duplicate gtu.
958 2006-07-05 Jason Merrill <jason@redhat.com>
962 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
963 * c-common.c (handle_packed_attribute): So don't copy it here.
964 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
966 2006-07-05 Mike Stump <mrs@apple.com>
968 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
970 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
973 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
975 2006-07-05 Richard Guenther <rguenther@suse.de>
978 * config/i386/i386.md (*negdf2_1): Restrict pattern to
979 TARGET_SSE2 targets if using SSE math.
980 (*absdf2_1): Likewise.
982 2006-07-05 Richard Guenther <rguenther@suse.de>
984 PR tree-optimization/28162
985 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
986 make sure to convert the operands to the correct type.
988 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
990 PR tree-optimization/28218
992 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
993 to calculate and free the dominator information.
995 2006-07-04 Peter O'Gorman <peter@pogma.com>
997 * mklibgcc.in: chmod 644 before ranlib during install.
999 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1000 J"orn Rennecke <joern.rennecke@st.com>
1002 * configure.ac (.eh_frame data check): Use diff -b.
1004 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1007 * Makefile.in (BUILD_RTL): Add build/vec.o.
1008 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1009 (build/genextract): Delete.
1010 (build/genautomata): Likewise.
1012 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1015 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1016 128-bit IBM long doubles for ABI_V4.
1018 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1020 * tree.c (range_in_array_bounds_p): New predicate.
1021 * tree.h (range_in_array_bounds_p): Declare it.
1022 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1023 return a less conservative answer.
1024 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1025 and flag 'is_group'.
1026 (IS_ELEMENT_FOR_GROUP): New macro.
1027 (FOR_EACH_ACTUAL_CHILD): Likewise.
1028 (next_child_for_group): New helper function.
1029 (can_completely_scalarize_p): Take into account groups.
1030 (sra_hash_tree): Handle RANGE_EXPR.
1031 (sra_elt_eq): Likewise.
1032 (lookup_element): Be prepared for handling groups.
1033 (is_valid_const_index): Delete.
1034 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1035 instead of is_valid_const_index.
1036 <ARRAY_RANGE_REF>: New case.
1037 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1038 is_valid_const_index.
1039 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1040 (scan_dump): Dump info for groups too.
1041 (decide_instantiation_1): Likewise.
1042 (decide_block_copy): Assert that the element is not a group.
1043 Propagate decision to groups.
1044 (generate_one_element_ref): Handle RANGE_EXPR.
1045 (mark_no_warning): Iterate over actual childs.
1046 (generate_copy_inout): Likewise.
1047 (generate_element_copy): Likewise.
1048 (generate_element_zero): Likewise.
1049 (generate_element_init_1): Likewise.
1050 (dump_sra_elt_name): Handle RANGE_EXPR.
1052 2006-07-03 Roger Sayle <roger@eyesopen.com>
1054 PR tree-optimization/26251
1055 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1056 (thread_block): When optimizing for size refuse to thread jumps
1057 that would require duplication of blocks other than redirection
1060 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1062 * configure.ac: Fix thinko in previous check-in.
1063 * configure: Regenerate.
1065 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1068 * configure.ac (for lang...): Simplify nesting of conditionals.
1069 Test subdir_requires for non-enabled languages. Move processing
1070 of lang_opt_files and lang_tree_fiels below that test.
1071 * configure: Regenerate.
1072 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1074 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1076 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1078 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1080 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1083 2006-06-29 Jason Merrill <jason@redhat.com>
1090 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1091 * c-common.c (c_determine_visibility): Handle it here.
1092 * c-decl.c (finish_decl): Call c_determine_visibility for
1094 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1096 * varasm.c (default_assemble_visibility): Likewise.
1097 * c-common.c (handle_visibility_attribute): Complain about trying
1098 to give visibility to an already defined class, or trying to change
1099 declared visibility. Always attach the attribute.
1104 * attribs.c (decl_attributes): Ignore type-in-place attributes
1105 once the type has been defined.
1107 2006-06-29 Roger Sayle <roger@eyesopen.com>
1110 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1111 to indicate the cpplib has issued an error message for us.
1113 2006-06-29 Asher Langton <langton2@llnl.gov>
1116 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1117 insert a label at the end of an function under Mach-O.
1119 2006-06-29 Eric Christopher <echristo@apple.com>
1120 Evan Cheng <evan.cheng@apple.com>
1122 * predicates.md (vector_all_ones_operand): New.
1123 (nonimmediate_or_sse_const_operand): Ditto.
1124 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1125 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1126 (standard_sse_mode_p): Ditto.
1127 (standard_sse_constant_p): Add case for -1 vector.
1128 (ix86_expand_vector_move): Try to use.
1129 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1130 Call standard_sse_constant_opcode.
1131 (*movv4sf_internal): Ditto.
1132 (*movv2df_internal): Ditto.
1134 2006-06-29 Roger Sayle <roger@eyesopen.com>
1136 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1137 of XEXP to extract the operands of a MATCH_CODE rtx.
1139 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1141 * tree.c (tree_size): Do not waste tail padding in
1142 struct tree_string and make the size be the same as
1143 build_string will generate.
1145 2006-06-28 Jason Merrill <jason@redhat.com>
1148 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1149 may_aliases already in the tag's annotations to the bitmap.
1151 2006-06-28 Roger Sayle <roger@eyesopen.com>
1153 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1155 2006-06-28 Roger Sayle <roger@eyesopen.com>
1157 * genpreds.c (generate_switch_p): New function.
1158 (add_mode_tests): Push the new mode test down inside an AND expr
1159 if this allows the switch-suitable MATCH_CODE to be near the root.
1160 (write_match_code_switch): New function to write a MATCH_CODE as
1162 (write_predicate_stmts): New function to write a predicate RTX
1163 expression as a sequence of statements.
1164 (write_one_predicate_function): Use write_predicate_stmts.
1165 (write_tm_constrs_h): Likewise.
1167 2006-06-26 Fred Fish <fnf@specifix.com>
1169 * config/mips/t-sb1: New file.
1170 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1173 2006-06-26 DJ Delorie <dj@redhat.com>
1175 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1177 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1178 Jayant Sonar <jayants@kpitcummins.com>
1179 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1181 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1182 (subsi3, subsi3_1, subsi3_2): New.
1183 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1184 * config/m32c/mov.md (SI mov peephole): New.
1185 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1186 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1188 2006-06-26 Olivier Hainque <hainque@adacore.com>
1190 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1191 a CALL_EXPR target function declaration.
1193 2006-06-26 Richard Guenther <rguenther@suse.de>
1195 * tree.c (build_string): Do not waste tail padding in
1198 2006-06-26 Richard Guenther <rguenther@suse.de>
1200 * ggc-page.c (init_ggc): Add missing element to size_lookup
1204 2006-06-23 Richard Guenther <rguenther@suse.de>
1206 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1207 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1208 alignment requests instead. Add verification code.
1209 Add struct tree_function_decl and struct tree_binfo size to
1210 extra_order_size_table. Add missing element to size_lookup
1213 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1216 * fold-const.c (const_binop): Be prepared for self returning zero.
1217 Simplify code handling complex values.
1219 2006-06-24 Olivier Hainque <hainque@adacore.com>
1221 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1222 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1225 2006-06-24 Olivier Hainque <hainque@adacore.com>
1227 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1228 ARRAY_REF, so have the callback called for the low bound expression.
1230 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1232 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1233 * c-typeck.c (c_common_type): Disallow operations on decimal float
1234 types and other float types.
1235 * convert.c (convert_to_real): Don't ignore conversions involving
1236 decimal float types.
1238 2006-06-23 Olivier Hainque <hainque@adacore.com>
1240 * tree.c (max_int_size_in_bytes): New function, inspired from
1241 code in function.c:assign_temp.
1242 * tree.h (max_int_size_in_bytes): Declare.
1243 * function.c (assign_temp): Use it.
1244 * gimplify.c (create_tmp_var): Relax the assertions on the type
1245 properties, not mandating constant size any more.
1246 (force_constant_size): New static function.
1247 (gimple_add_tmp_var): Use it, forcing variable size to a
1248 constant upper bound if it is not constant on entry.
1250 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1253 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1254 for initialization and setting of one_only flag to ...
1255 (i386_pe_encode_section_info): ...here.
1256 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1257 Recheck that the symbol has not been defined.
1259 2006-06-23 Richard Guenther <rguenther@suse.de>
1261 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1262 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1263 alignment requests instead. Add verification code.
1264 Add struct tree_function_decl and struct tree_binfo size to
1265 extra_order_size_table. Add missing element to size_lookup
1268 2006-06-22 Roger Sayle <roger@eyesopen.com>
1269 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1272 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1273 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1275 2006-06-23 Ben Elliston <bje@au.ibm.com>
1277 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1278 negate dn -- manipulate it directly.
1280 2006-06-22 Roger Sayle <roger@eyesopen.com>
1281 Steven Bosscher <stevenb.gcc@gmail.com>
1284 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1285 generated by gen_move_insn to add REG_LABEL notes if necessary.
1287 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1289 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1290 (leaf_entry): Remove use of MIN_ESA.
1292 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1294 PR rtl-optimization/28121
1295 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1298 2006-06-21 DJ Delorie <dj@redhat.com>
1300 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1302 (mulhisi3_r): Likewise.
1304 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1307 * coverage.c (coverage_counter_alloc): Leave the index type
1309 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1312 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1314 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1315 section from the "Options for Code Generation Conventions".
1317 2006-06-21 Richard Henderson <rth@redhat.com>
1321 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1323 (global_symbolic_operand): Allow weak symbols, even if local_p.
1325 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1327 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1328 (find_interesting_uses_address): Punt if above function returns true.
1330 2006-06-21 Richard Guenther <rguenther@suse.de>
1332 * configure: Regenerated.
1334 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1336 * config/mips/mips.c (function_arg): Where one part of a
1337 complex argument is in registers and the other part in the stack,
1338 return a REG not a PARALLEL.
1340 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1342 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1343 when cross-compiling. Do not substitute libstdcxx_incdir.
1344 * configure: Regenerated.
1346 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1348 * varasm.c (mergeable_string_section): Check for embedded NULs and
1349 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1350 rather than TREE_STRING_LENGTH bytes.
1352 2006-06-21 Richard Guenther <rguenther@suse.de>
1354 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1355 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1358 2006-06-21 Richrad Guenther <rguenther@suse.de>
1360 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1361 Limit iteration over the dominators.
1363 2006-06-20 Roger Sayle <roger@eyesopen.com>
1365 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1366 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1368 2006-06-20 Richard Guenther <rguenther@suse.de>
1369 Michael Matz <matz@suse.de>
1371 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1373 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1374 * et-forest.h (et_free_pools): Prototype new function.
1375 * et-forest.c (et_free_tree_force): Free parent occurrence.
1376 (et_free_pools): New function.
1377 * dominance.c (free_dominance_info): Free et-forest alloc
1380 2006-06-20 Roger Sayle <roger@eyesopen.com>
1382 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1383 integer modes, attempt to directly construct an integer constant.
1385 * fold-const.c (native_encode_vector): Determine the size of each
1386 element from the vector type instead of the first vector element.
1388 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1389 if all of its elements/components are constant.
1390 (build_constructor_from_list): Likewise.
1392 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1394 PR tree-optimization/27331
1395 * tree-data-ref.c (free_data_ref): New function.
1396 (create_data_ref): Fail if the data reference has unknown access
1398 (free_data_refs): Use free_data_ref.
1400 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1403 * tree-inline.c (setup_one_parameter): Strip useless
1404 type conversion before adding it to the IR.
1405 (declare_return_variable): Likewise.
1407 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1410 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1412 2006-06-19 Mike Stump <mrs@apple.com>
1414 * tree.c (variably_modified_type_p): VM arguments don't make the
1417 2006-06-19 Richard Guenther <rguenther@suse.de>
1419 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1420 type conversions after folding.
1422 2006-06-19 Richard Guenther <rguenther@suse.de>
1424 * ggc-page.c (extra_order_size_tab): Add entries with
1425 size of struct function and basic_block.
1426 (size_lookup): Extend to cover sizes up to 511.
1427 (ggc_alloc_stat): Adjust user.
1428 (ggc_pch_count_object): Likewise.
1429 (ggc_pch_alloc_object): Likewise.
1430 (ggc_pch_write_object): Likewise.
1432 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1434 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1435 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1438 2006-06-19 Denis Chertykov <denisc@overta.ru>
1440 * config/avr/libgcc.S : Correct my wrong previous commit.
1442 2006-06-19 Roger Sayle <roger@eyesopen.com>
1445 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1446 have stripped a SUBREG from the shift count, so we may need to
1447 convert_to_mode back to the type's mode before calling make_tree.
1448 Use new_amount instead of amount to avoid expanding a tree twice.
1450 2006-06-19 Richard Guenther <rguenther@suse.de>
1453 * fold-const.c (operand_equal_p): Check if the argument types
1454 have the same precision before stripping NOPs.
1456 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1458 Fix PR tree-optimization/27341
1459 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1461 * tree-complex.c (pass_lower_complex): Update SMT usage.
1463 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1465 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1466 Add a new alternative to the constraint strings. Add move of
1467 operand 1 to 3 to the splitter definition.
1468 ("doloop_si_long"): Second contraint alternative removed.
1470 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1472 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1473 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1475 (AVR_HAVE_MOVW) Define.
1476 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1477 (ASM_SPEC): Add avr25.
1478 (LINK_SPEC): Add avr25.
1479 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1480 (base_arch_s): Add new member 'have_movw_lpmx'.
1481 (avr_arch_types): Init 'have_movw_lpmx'.
1482 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1483 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1484 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1485 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1486 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1488 (avr_file_start): Do not output '.arh' derective.
1489 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1490 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1491 * config/avr/avr.md (mcu_enhanced): Delete.
1492 (mcu_have_movw): Define.
1493 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1494 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1495 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1496 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1497 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1498 attiny861 and at86rf401 devices.
1500 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1502 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1505 2006-06-17 Karl Berry <karl@gnu.org>
1507 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1508 doc/gccint.texi, doc/install.texi (@dircategory): Use
1509 "Software development" instead of "Programming", following
1510 the Free Software Directory.
1512 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1514 * config/i386/i386.c (legitimate_tls_address)
1515 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1516 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1517 (*tls_dynamic_gnu2_combine_64): Likewise.
1519 2006-06-16 Richard Guenther <rguenther@suse.de>
1522 * fold-const.c (negate_expr_p): Do not introduce undefined
1523 overflow in negating INTEGER_CSTs.
1524 (fold_negate_expr): Rename from negate_expr. Revert last
1525 change for folding BIT_NOT_EXPR. Change semantics to
1526 return NULL_TREE for non-simplified negations. Do not
1527 strip type conversions and unify type handling.
1528 (negate_expr): New function, wrap around fold_negate_expr
1529 but ensure building a tree always. Strip type conversions
1530 here, fold to result type.
1531 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1533 2006-06-16 Roger Sayle <roger@eyesopen.com>
1536 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1537 that (would) return their results in stack registers.
1539 2006-06-16 Michael Matz <matz@suse.de>
1540 Richard Guenther <rguenther@suse.de>
1542 * fold-const.c (fold_truthop): Only return new tree node if
1543 we canonicalized something.
1545 2006-06-16 Richard Guenther <rguenther@suse.de>
1547 * function.h (enum function_frequency): Move declaration
1548 out of struct function.
1549 (struct function): Move bool fields and the enum to the bitfield
1550 section. Reorder elements to avoid padding. Remove unused
1551 fields left over from the RTL inliner removal.
1552 * function.c (free_after_compilation): Do not zero removed fields.
1553 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1554 (ipa-type-escape.o): Likewise.
1556 2006-06-16 Richard Guenther <rguenther@suse.de>
1558 * cgraph.h (struct cgraph_local_info): Turn bool elements
1560 (struct cgraph_node): Likewise.
1561 (struct cgraph_varpool_node): Likewise.
1563 2006-06-15 Richard Guenther <rguenther@suse.de>
1565 * fold-const.c (fold_truth_not_expr): Rename from
1566 invert_truthvalue. Give it fold_* semantics to avoid
1568 (invert_truthvalue): New function. Wrapper around
1569 fold_truth_not_expr.
1570 (optimize_minmax_comparison): Avoid creating garbage.
1571 (fold_unary): Use fold_truth_not_expr for folding
1573 (fold_ternary): Replace uses of invert_truthvalue with
1574 fold_truth_not_expr where applicable.
1575 * tree.h (fold_truth_not_expr): Prototype.
1577 2006-06-16 Richard Guenther <rguenther@suse.de>
1579 PR tree-optimization/27781
1580 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1581 * ipa-pure-const.c (target.h): Include.
1582 (analyze_function): Do not analyze functions that do not
1585 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1588 * tree-dfa.c (referenced_vars_dup_list): Remove.
1589 (find_referenced_vars): Remove assert.
1590 (referenced_var_check_and_insert): Replace dup list with assert.
1591 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1592 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1594 2006-06-15 Richard Guenther <rguenther@suse.de>
1596 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1597 extra unused identifiers if not dumping.
1598 (create_variable_info_for): Likewise.
1600 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1602 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1603 (derive_constant_upper_bound): Derive more precise upper bound in
1604 common cases. Return type changed to double_int.
1605 (record_estimate): Reflect the changed return type of
1606 derive_constant_upper_bound.
1607 * double-int.c (double_int_zext, double_int_sext): Fix.
1609 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1611 * configure.ac (CFLAGS): Get them from the toplevel or from the
1612 configure invocation.
1613 * configure: Regenerate.
1614 * Makefile.in (CFLAGS): Substitute value provided by configure.
1616 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1619 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1620 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1621 rather than calling add_stmt on it.
1622 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1624 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1627 * reload1.c (reload): Remove registers returned by update_eliminables
1628 from used_spill_regs.
1630 2006-06-13 DJ Delorie <dj@redhat.com>
1632 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1634 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1636 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1637 html__strip_dir, html__mkdir_p. Enhance install-html target.
1638 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1639 * configure: Regenerate.
1641 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1643 * fold-const.c (fold_cond_expr_with_comparison): Check for
1644 Objective-C++ as language in deciding COND_EXPR transformation.
1646 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1649 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1650 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1651 * config/sh/lib1funcs.h (SL, SL1): Define.
1652 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1653 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1654 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1655 (OBJS_Os_4_200): New variable.
1656 ($(T)libgcc-Os-4-200.a): Use it.
1657 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1658 when dividing 1 and/or by 0.
1660 2006-06-13 Roger Sayle <roger@eyesopen.com>
1662 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1663 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1664 * configure: Regenerate.
1666 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1668 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1669 for real instruction.
1671 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1674 * haifa-sched.c (check_cfg): Handle special case.
1676 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1679 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1680 Add debug_info parameter. Chain the vars to the BLOCK instead
1681 of the BIND_EXPR if debug info are requested for them.
1682 (pop_gimplify_context): Adjust for above change.
1683 (gimple_add_tmp_var): Likewise.
1684 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1686 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1687 (convert_local_reference): Likewise.
1688 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1689 (finalize_nesting_tree_1): Request that debug info be emitted
1690 for debug_var_chain.
1692 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1694 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1695 for PR target/27863.
1697 2006-06-13 Richard Guenther <rguenther@suse.de>
1700 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1702 2006-06-13 Richard Guenther <rguenther@suse.de>
1704 PR tree-optimization/27830
1705 * tree-inline.c (copy_body_r): For copying the operand
1706 of an ADDR_EXPR make sure to fold &* afterwards.
1708 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1710 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1711 lvalues in the fb_none case with side-effects.
1713 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1715 * tree-flow.h: Remove the prototype for
1716 compute_phi_arg_on_exit.
1717 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1718 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1721 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1723 * builtins.c (expand_builtin_return_addr): Only use
1724 frame_pointer_rtx when count == 0 and we are expanding
1725 __builtin_return_address.
1727 2006-06-12 Fred Fish <fnf@specifix.com>
1729 * config/mips/mips.c (mips_file_start): Create special section
1730 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1732 2006-06-11 Eric Christopher <echristo@apple.com>
1735 * stor-layout.c (place_field): Remove check for
1736 remaining_in_alignment when aligning at the end of a run.
1738 2006-06-11 Eric Christopher <echristo@apple.com>
1741 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1744 2006-06-11 Roger Sayle <roger@eyesopen.com>
1747 Revert incorrect fix for PR target/27158
1748 2006-05-08 Roger Sayle <roger@eyesopen.com>
1749 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1750 of a reg_equiv_constant if the result is a legitimate constant.
1752 2006-06-11 Roger Sayle <roger@eyesopen.com>
1755 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1756 extract a CONST_VECTOR element and interpret it as an integer.
1757 (vspltis_constant): Use const_vector_elt_as_int instead of the
1758 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1759 * config/rs6000/predicates.md (easy_vector_const): Consider
1760 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1762 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1765 * stor-layout.c (update_alignment_for_field): Don't add extra
1766 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1769 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1771 * config/mips/t-rtems: Add EL/EB multilib variants.
1773 2006-06-09 Mike Stump <mrs@apple.com>
1775 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1777 2006-06-09 David Daney <ddaney@avtrex.com>
1779 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1781 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1783 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1785 2006-06-09 Richard Guenther <rguenther@suse.de>
1787 PR tree-optimization/26998
1788 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1789 of signed types, only TYPE_MIN_VALUE is special, but for both,
1790 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1791 in this case, as is -fwrapv.
1793 2006-06-08 Mike Stump <mrs@apple.com>
1796 * config/darwin.c (darwin_asm_output_anchor): Disable
1797 -fsection-anchors on darwin for now.
1798 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1799 * rs6000/rs6000.c (optimization_options): Likewise.
1801 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1804 * config/i386/i386.c (classify_argument): Skip fields with invalid
1807 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1809 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1810 (cse_insn): Likewise for the stack_pointer_rtx.
1812 2006-06-08 Roger Sayle <roger@eyesopen.com>
1814 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1815 conditions from floating point comparisons.
1817 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1820 * expmed.c (struct alg_hash_entry): Fix type of field T
1821 to match synth_mult argument.
1822 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1824 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1827 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1830 2006-06-08 Richard Guenther <rguenther@suse.de>
1833 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1834 only, if overflow is defined and not trapping.
1835 (negate_expr): Likewise.
1837 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1839 PR tree-optimization/27872
1840 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1841 flag on the new exit edge of the unrolled loop.
1843 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1845 PR rtl-optimization/26449
1846 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1848 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1851 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1852 referenced_variables with matching DECL_UID's.
1853 (find_referenced_vars): Make sure duplicate list is empty to start.
1854 (referenced_var_p): Remove.
1855 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1856 Check if var is in the list, and add if needed. Update the duplicate
1857 list if a different var is in the list with the same DECL_UID.
1858 (add_referenced_var): Call routine to check and insert.
1859 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1860 * tree-flow.h (referenced_vars_dup_list): External declaration.
1862 2006-06-07 Fred Fish <fnf@specifix.com>
1864 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1867 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1870 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1871 the imaginary and real parts of a clobbered register.
1872 Emit insn to set the imaginary part.
1874 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1876 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1877 in lieu of unwind-dw2-fde.c.
1879 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1881 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1883 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1886 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1887 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1888 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1889 V4SImode temporaries and operations instead.
1891 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1893 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1896 2006-06-06 Mike Stump <mrs@apple.com>
1898 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1899 installing during build.
1901 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1903 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1905 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1906 * config/ia64/ia64.c (params.h): New header.
1907 (ia64_optimization_options): New function to adjust parameters.
1908 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1909 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1910 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1912 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1914 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1916 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1919 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1921 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1922 Victor Kaplansky <victork@il.ibm.com>
1924 PR tree-optimization/26360
1925 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1928 2006-06-04 Roger Sayle <roger@eyesopen.com>
1929 Andrew Pinski <pinskia@physics.uc.edu>
1932 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1933 for LABEL_DECL before calling DECL_WEAK.
1936 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1937 LABEL_DECL and PARM_DECL.
1939 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1943 * c-decl.c (grokdeclarator): Disallow variably modified types at
1944 file scope. Avoid marking shared array type of constant size as
1947 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1950 * c-common.c (fold_offsetof_1): Handle static members.
1952 2006-06-04 Eric Christopher <echristo@apple.com>
1954 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1955 (debug_rli): Output value for remaining_in_alignment.
1956 (update_alignment_for_field): Unconditionalize
1957 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1958 extra alignment code.
1959 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1960 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1961 * tree.h (record_layout_info_s): Remove prev_packed.
1962 * doc/extend.texi (ms_struct): Add documentation of format.
1964 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1966 * tree.h: Declare folding_initializer.
1967 * builtins.c (fold_builtin_constant_p): Give definite answer
1968 if folding inside an initializer.
1969 * fold-const.c: Define folding_initializer.
1970 (START_FOLD_INIT): Save and then set folding_initializer.
1971 (END_FOLD_INIT): Restore folding_initializer.
1973 2006-06-04 Richard Guenther <rguenther@suse.de>
1975 PR tree-optimization/27039
1976 * fold-const.c (fold_comparison): Handle pointer comparison
1977 again for all comparison codes. Compare offsets in signed
1979 (fold_binary): Move code from here.
1981 2006-06-03 Roger Sayle <roger@eyesopen.com>
1984 * config/i386/i386.c (construct_container): Split static issued_error
1985 flag into issued_sse_arg_error, issued_sse_ret_error and
1986 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1987 requires the use of x87 registers and the user explicitly
1988 specified the -mno-80387 command line option.
1990 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1992 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1993 HAVE_DECL_SIGALTSTACK.
1995 (segv_handler): Use MC_FLD.
1996 * configure.ac: Check for a sigaltstack declaration.
1997 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1998 * configure: Regenerate.
1999 * config.in: Regenerate.
2001 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2004 * Makefile.in (stmp-fixinc): Fix typo.
2006 2006-06-02 Roger Sayle <roger@eyesopen.com>
2008 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2009 are type correct. Clean-up.
2010 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2011 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2013 2006-06-01 DJ Delorie <dj@redhat.com>
2015 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2016 shift, as we've disabled the "switch" insn that needs it.
2018 2006-06-01 Per Bothner <bothner@bothner.com>
2020 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2021 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2022 * c-ppoutput.c (cb_define): Don't increment line 0.
2024 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2026 * doc/invoke.texi: Add cpu_type power6.
2027 * config.gcc: Add cpu_type power6.
2028 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2029 to power5+ with Altivec.
2030 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2031 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2033 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2035 * config/avr/avr.h (SET_ASM_OP): Define.
2037 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2039 * config/bfin/bfin.c: Fix comment typos.
2041 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2044 * doc/install.texi: Document --enable-bootstrap and
2045 --disable-bootstrap.
2047 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2049 * doc/install.texi: Document that InfoZIP can replace jar.
2051 2006-05-31 Roger Sayle <roger@eyesopen.com>
2053 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2054 isn't available, directly generate the simpler x87 patterns without
2055 the (use (const_int 0)).
2056 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2057 implementation isn't available.
2058 (*negdf2_1): Likewise.
2059 (*negxf2_1): XF mode negation is always done using the x87.
2060 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2062 2006-05-31 Roger Sayle <roger@eyesopen.com>
2064 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2065 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2067 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2069 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2071 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2072 * config/bfin/bfin.c (basic-block.h): Include.
2073 (struct machine_function): New.
2074 (bfin_init_machine_status): New.
2075 (override_options): Initialize init_machine_status.
2076 (bfin_hardware_loop): New.
2077 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2078 (DEF_VEC_P (loop_info)): New.
2079 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2080 (struct loop_info): New.
2081 (loop_info): New typedef.
2082 (struct loop_work): New.
2083 (loop_work): New typedef.
2084 (DEF_VEC_O (loop_work)): New.
2085 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2086 (bfin_dump_loops): New.
2087 (bfin_bb_in_loop): New.
2088 (bfin_scan_loop): New.
2089 (bfin_optimize_loop): New.
2090 (bfin_reorg_loops): New.
2091 (bfin_reorg): Use bfin_reorg_loops.
2092 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2094 (I_REGNO_P): Simplify.
2095 (DP_REGNO_P, DPREG_P): New macros.
2096 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2097 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2098 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2099 Add LT_REGS, LC_REGS, LB_REGS.
2100 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2102 (REGNO_REG_CLASS): Deal with loop registers.
2103 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2105 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2106 New constants for loop registers.
2107 (UNSPEC_LSETUP_END): New.
2108 (seq_insns): New define_attr. Set it for appropriate insns.
2109 (movsi_insn): Add alternatives for move from/to
2110 loop count registers.
2111 (doloop_end): New define_expand.
2112 (loop_end): New define_insn.
2113 (define_split for bad doloop_end): New.
2114 (lsetup_with_autoinit): New define_insn.
2115 (lsetup_without_autoinit): New define_insn.
2116 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2117 * config/bfin/predicates.md (lc_register_operand): New.
2118 (lt_register_operand): New.
2119 (lb_register_operand): New.
2120 (nondp_register_operand): New.
2121 (nondp_reg_or_memory_operand): New.
2122 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2124 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2126 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2127 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2129 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2131 * Makefile.in (CATALOGS): Add po/ prefix.
2132 * configure: Regenerated.
2134 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2137 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2138 a shift operand before calling shift_op. Avoid redundant call of
2141 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2142 DJ Delorie <dj@redhat.com>
2144 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2145 we're inserting is a singlt-bit constant.
2147 2006-05-30 Roger Sayle <roger@eyesopen.com>
2149 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2150 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2152 2006-05-30 Roger Sayle <roger@eyesopen.com>
2154 PR tree-optimization/23452
2155 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2156 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2157 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2158 complex values and with -ffast-math for FP complex values.
2160 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2162 * c-common.h: Remove the prototype for yyparse.
2163 * rtl.h: Remove the prototype for init_loop.
2165 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2167 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2170 2006-05-30 Roger Sayle <roger@eyesopen.com>
2172 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2174 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2175 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2177 2006-05-30 Dirk Mueller <dmueller@suse.de>
2180 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2181 for CONSTANT_CLASS_P expresisons.
2183 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2186 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2188 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2190 PR tree-optimization/27779
2191 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2192 initial_condition instead of CHREC_LEFT.
2194 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2196 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2197 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2198 Make prototypes ISO C90.
2200 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2201 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2203 * see.c (see_analyze_one_def): Correct check.
2204 (see_get_extension_data): Check if extension is parallel.
2205 (see_get_extension_reg): Likewise.
2207 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2210 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2211 into register for (code == GTU).
2213 2006-05-29 Roger Sayle <roger@eyesopen.com>
2215 PR tree-optimization/24964
2216 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2217 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2218 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2219 abs(x)*abs(x) as x*x for scalar floating point modes.
2221 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2224 * lambda-code.c (perfect_nestify): Don't copy statements
2225 in the inner loop: move them to the inner loop header.
2227 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2230 * c-tree.texi: Document OpenMP directives and clauses.
2232 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2234 * varasm.c (globalize_decl): Fix indentation.
2236 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2239 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2240 pass_fre, pass_store_ccp, pass_copy_prop,
2241 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2242 pass_return_slot, pass_object_size, pass_lim,
2243 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2244 pass_loop_prefetch and pass_stdarg.
2246 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2248 * config/bfin/bfin.opt (mfdpic): New option.
2249 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2250 (EXTRA_MULTILIB_PARTS): Likewise.
2251 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2252 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2254 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2255 (CRT_CALL_STATIC_FUNCTION): New.
2256 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2258 (CRT_CALL_STATIC_FUNCTION): New.
2259 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2261 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2262 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2263 (initialize_trampoline): Changed to handle FD-PIC code generation.
2264 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2265 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2266 (override_options): Disallow -mid-shared-library -mfdpic combination.
2267 Can't do unaligned ops if FD-PIC.
2268 Turn off flag_pic if trying to generate non-id-shared-library
2269 non-fdpic code, since it's not supported.
2270 (bfin_assemble_integer): New function.
2271 (TARGET_ASM_INTEGER): Define.
2272 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2274 * config/bfin/crtn.s: Restore them.
2275 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2277 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2278 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2279 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2280 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2281 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2283 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2284 FDPIC_REGS and FDPIC_FPTR_REGS.
2285 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2286 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2287 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2288 (load_funcdescsi): New pattern.
2289 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2290 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2291 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2293 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2295 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2298 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2300 * tree-flow.h: Remove the prototype for add_type_alias.
2301 * tree-ssa-alias.c (add_type_alias): Remove.
2303 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2305 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2306 config/fr30/fr30.md, config/i386/i386-interix.h,
2307 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2308 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2309 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2310 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2311 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2312 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2313 Follow spelling conventions.
2314 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2315 Follow spelling conventions.
2317 2006-05-27 Richard Guenther <rguenther@suse.de>
2320 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2321 to produce a constant of value 1 of generic type.
2323 2006-05-27 Dirk Mueller <dmueller@suse.de>
2325 * cgraphunit.c (decide_is_function_needed): Fix wrong
2328 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2330 PR rtl-optimization/27661
2331 * reload.c (find_reloads): When reloading a VOIDmode constant
2332 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2333 use Pmode as mode of the reload register.
2335 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2337 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2338 is enabled at -O and above.
2340 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2343 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2346 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2349 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2350 for anonymous variables explicitly declared by front ends.
2352 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2354 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2355 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2356 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2357 ref-all pointers, run a finalization pass for them.
2358 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2359 (finalize_ref_all_pointers): New function.
2360 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2361 regular pointer type to a ref-all pointer type.
2362 (get_tmt_for): Return the special memory tag for ref-all pointers.
2364 2006-05-25 Richard Guenther <rguenther@suse.de>
2367 * fold-const.c (fold_binary): Do not look at the stripped
2368 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2370 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2372 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2373 for LT and GT if the computed range is effectively empty.
2375 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2378 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2379 mips_quad_format formats instead of ieee_single_format,
2380 ieee_double_format and ieee_quad_format formats, respectively.
2382 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2384 PR tree-optimization/27639
2385 PR tree-optimization/26719
2386 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2387 call to scev_probably_wraps_p.
2388 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2389 used_in_pointer_arithmetic_p, convert_step): Removed.
2390 (nowrap_type_p): New function.
2391 (scev_probably_wraps_p): Rewritten.
2392 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2393 chrec_convert if chrec_convert_aggressive might have been used.
2394 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2395 scev_direction): New functions.
2396 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2397 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2398 instead of convert_step.
2399 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2400 (convert_step): Declaration removed.
2401 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2403 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2405 * df-core.c: Added to header comments.
2406 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2407 df_ur_bb_info, df_urec_bb_info): Added comments.
2408 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2409 urec, ri problems): Fixed header comments.
2410 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2411 code from df_rd_transfer_function.
2413 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2415 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2416 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2417 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2419 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2421 * expr.c (undefined_operand_subword_p): New.
2422 (emit_move_multi_word): Do not generate move from undefined bits
2423 of a paradoxical subreg.
2425 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2427 PR rtl-optimization/27736
2428 * combine.c (replaced_rhs_value): New variable.
2429 (combine_instructions): Set it.
2430 (distribute_notes): When distributing a note in replaced_rhs_insn,
2431 check whether the value was used in replaced_rhs_value.
2433 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2436 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2437 add_referenced_var instead of add_referenced_tmp_var.
2438 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2439 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2441 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2442 tree_optimize_tail_calls_1): Use add_referenced_var.
2443 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2444 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2445 Use add_referenced_var.
2446 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2447 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2448 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2449 Use add_referenced_var.
2450 * tree-dfa.c (struct walk_state): Remove.
2451 (find_referenced_vars): Remove walk state and vars_found hash table.
2452 (make_rename_temp): Use add_referenced_var.
2453 (find_vars_r): Pass less parameters to add_referenced_var.
2454 (referenced_var_p): New. Is var in referenced_var hash table.
2455 (referenced_var_insert): Assert var isn't already in hash table.
2456 (add_referenced_var): Don't need walk_state parameter. Add var if it
2457 isn't already in the hash table.
2458 (add_referenced_tmp_var): Remove.
2459 (find_new_referenced_vars_1): Use add_referenced_var.
2460 * tree-ssa-pre.c (create_expression_by_pieces,
2461 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2462 Use add_referenced_var.
2463 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2464 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2465 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2467 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2468 vect_create_data_ref_ptr, vect_create_destination_var,
2469 vect_init_vector, vect_build_loop_niters,
2470 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2471 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2472 Use add_referenced_var.
2473 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2474 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2475 (add_referenced_var): Add prototype.
2476 * tree-ssa-structalias.c (get_constraint_for,
2477 intra_create_variable_infos): Use add_referenced_var.
2479 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2481 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2482 big-endian paradoxical subregs.
2483 * var-tracking.c (struct micro_operation_def): Document that,
2484 for modify micro operations, insn is the subsequent instruction.
2485 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2486 (var_reg_set, var_mem_set): ... new functions.
2487 (add_stores): Record subsequent insn.
2488 (compute_bb_dataflow): Use new functions for MO_USE.
2489 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2490 notes after the insn, and modify notes before the insn known
2491 to be the subsequent one.
2492 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2494 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2497 * config/i386/i386.c (ix86_expand_builtin): Use
2498 gen_sse3_monitor64 for TARGET_64BIT.
2500 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2502 PR rtl-optimization/26375
2503 PR rtl-optimization/26855
2504 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2506 (df_ru_bb_local_compute): Reversed statements and removed bogus
2507 comment explaining why they should be in wrong order.
2508 (df_ru_dump, df_rd_dump): Enhanced debug info.
2509 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2511 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2512 reaching uses and fixed space problem.
2514 2006-05-23 Jan Hubicka <jh@suse.cz>
2516 * cgraphunit.c (decide_is_function_needed): Also nested functions
2517 and functions declared inline can be optimized out at -O0.
2519 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2521 * doc/install.texi (Configuration): Remove reference to CrossGCC
2525 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2528 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2529 ix86_compare_emitted is non-NULL.
2531 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2534 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2537 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2539 PR rtl-optimization/25514
2540 * combine.c (replaced_rhs_insn): New variable.
2541 (combine_instructions): Set replaced_rhs_insn when trying to replace
2542 a SET_SRC with a REG_EQUAL note.
2543 (distribute_notes): Use replaced_rhs_insn when determining the live
2544 range of a REG_DEAD register.
2546 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2547 Anatoly Sokolov <aesok@post.ru>
2549 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2550 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2551 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2552 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2553 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2554 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2555 at90usb647, at90usb1286 and at90usb1287 devices.
2556 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2557 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2559 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2561 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2563 2006-05-22 Richard Guenther <rguenther@suse.de>
2566 2006-01-31 Richard Guenther <rguenther@suse.de>
2567 Paolo Bonzini <bonzini@gnu.org>
2569 * doc/install.texi (--disable-libgcc-math): Document.
2571 2006-05-22 Richard Guenther <rguenther@suse.de>
2574 2006-01-31 Richard Guenther <rguenther@suse.de>
2576 * doc/invoke.texi (-msselibm): Document.
2577 * target.h (expand_library_builtin): New target hook.
2578 * builtins.c (expand_builtin): Use expand_library_builtin.
2579 (default_expand_library_builtin): New function.
2580 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2581 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2582 (link_gcc_math_spec): Declare.
2583 (static_specs): Add link_gcc_math_spec.
2584 * expr.h (default_expand_library_builtin): Declare.
2585 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2586 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2587 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2588 * config/i386/i386.opt (msselibm): New target option.
2589 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2590 (ix86_init_sse_abi_builtins): New function.
2591 (ix86_expand_library_builtin): Likewise.
2592 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2593 (override_options): Handle error conditions wrt -msselibm.
2594 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2595 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2596 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2599 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2602 * c-common.c (self_promoting_args_p): Skip erroneous args.
2605 * c-decl.c (finish_struct): Skip erroneous fields.
2607 2006-05-22 Nick Clifton <nickc@redhat.com>
2609 * config/cris/cris.opt (march): Remove VarExists attribute.
2610 (max-stackframe=): Likewise.
2612 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2614 * doc/rtl.texi: Fix a typo.
2615 * see.c: Fix comment typos.
2617 * tree-ssa-structalias.h (alias_info): Remove num_references.
2619 2006-05-21 Mike Stump <mrs@apple.com>
2621 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2623 (darwin_pragma_options): Use BAD instead.
2624 (darwin_pragma_unused): Likewise.
2625 (darwin_pragma_ms_struct): Likewise.
2627 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2629 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2631 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2633 PR rtl-optimization/27671
2634 * simplify-rtx.c (simplify_relational_operation_1): Fix
2635 simplifications of (eq/ne (xor x y) y) and
2636 (eq/ne (xor x y) x).
2638 PR tree-optimization/26622.
2639 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2642 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2644 * tree-cfg.c: Prune whitespace.
2645 (debug_tree_cfg): Point to correct header containing the
2648 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2651 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2653 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2656 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2657 or sorry count is non zero.
2659 2006-05-20 Andreas Schwab <schwab@suse.de>
2661 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2663 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2664 Kenneth Zadeck <zadeck@naturalbridge.com>
2666 PR rtl-optimization/26855
2668 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2670 (df_scan_alloc): Added code to properly handle multiword hard
2671 registers and add all_blocks parameter.
2672 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2673 code to properly handle multiword hard registers.
2674 (df_rescan_blocks): Added code to remove deleted blocks from
2676 (df_ref_create_structure, df_ref_record): Added code to properly
2678 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2679 and set DF_REF_PARTIAL.
2680 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2681 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2682 (df_scan_add_problem): Added flags parameter.
2683 (df_ref_create_structure): Changed switching structure.
2684 (df_bb_refs_record): Fixed case where duplicate artificial refs
2685 were created. Changed location of flags.
2686 (df_record_entry_block_defs): Added code to make stack pointer
2687 live in entry block. Refined cases where frame pointer is needed.
2688 Changed location of flags.
2689 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2690 (df_set_state): Removed function.
2691 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2692 df_insn_create_insn_record, df_insn_refs_delete,
2693 df_ref_create_structure): Formatting changes.
2694 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2695 df_delete_basic_block): New function.
2696 (df_init): Changed location of flags.
2697 (df_add_problem): Added flags parameter and the way flags are
2699 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2700 debug_df_chain): Improved debugging output.
2701 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2702 (df_refs_chain_dump): Removed df parameter.
2703 (df_iterative_dataflow): Added consistency check.
2704 (df_prune_to_subcfg): Made public.
2705 (df_analyze_problem): Added blocks_to_init parameter and made
2707 (df_ref_record, df_bb_refs_record, df_mark_reg,
2708 df_record_exit_block_uses): Whitespace changes.
2709 (df_dump): Whitespace changes.
2710 * df.h: Some reordering to remove forward references.
2711 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2712 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2713 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2714 (dataflow.flags): New field.
2715 (df.flag): Deleted field.
2716 (df_alloc_function): Added additional bitmap parameter.
2717 (df_dependent_problem_function): New type.
2718 (df_problem.changeable_flags): New field.
2719 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2720 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2721 (df_mw_hardreg): New struct.
2722 (DF_INSN_UID_MWS): New macro.
2723 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2725 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2726 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2727 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2728 (df_set_state): Removed function.
2729 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2730 * df-problems.c (df_chain_dump): Removed df parameter.
2731 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2732 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2734 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2735 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2736 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2737 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2738 DF_REF_MUST_CLOBBER cases.
2739 (df_ru_bb_local_compute_process_def,
2740 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2741 df_lr_bb_local_compute, df_ur_bb_local_compute,
2742 df_chain_create_bb): Made subreg aware.
2743 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2744 df_lr_bb_local_compute, df_lr_bb_local_compute,
2745 df_chain_create_bb): Cleanup to use proper macros.
2746 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2747 code to fixup bitvectors.
2748 (df_ri_alloc): Cleared lifetime.
2749 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2750 df_create_unused_note): New function.
2751 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2752 REG_DEAD and REG_UNUSED notes as well as register information.
2753 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2754 df_chains_dump): Fixed crash if problem was never run.
2755 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2756 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2757 df_ri_add_problem): Processes flags in uniform manner.
2758 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2759 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2760 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2761 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2762 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2763 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2764 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2765 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2766 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2767 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2768 * see.c (see_initialize_data): Ditto.
2769 * final.c (rest_of_clean_state) Added regstack_completed.
2770 * rtl.h (regstack_completed): Ditto.
2771 * reg-stack.c (regstack_completed): Ditto.
2773 2006-05-19 Mike Stump <mrs@apple.com>
2775 * c-tree.h (default_conversion): Remove.
2776 * c-common.h (default_conversion): Add.
2778 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2780 * tree-vrp.c (valid_value_p): New function.
2781 (adjust_range_with_scev): Fail if the value of bound is not
2784 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2786 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2787 (mips_fallback_frame_state): Use syscall numbers to determine
2788 the appropriate li instruction for the current ABI. Only use
2789 __NR_sigreturn for o32.
2791 2006-05-19 Nicolas Setton <setton@adacore.com>
2793 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2794 * langhooks.c (lhd_dwarf_name): New function.
2795 * langhooks-def.h (lhd_dwarf_name): Declare.
2796 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2797 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2798 * ada/misc.c (gnat_dwarf_name): New function.
2799 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2801 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2803 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2805 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2806 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2807 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2808 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2809 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2810 determine the size of Wtype, etc.
2811 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2812 (swfloatfuncs): New variable.
2813 (dwfloatfuncs): Likewise.
2814 (lib2funcs): Remove floating-point conversion functions from
2815 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2816 the set of conversion routines needed. Allow entries to specify
2817 an object name, filename and word size. Update users accordingly.
2818 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2819 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2823 2006-02-08 Roger Sayle <roger@eyesopen.com>
2826 * config/fixtfdi.c: New libgcc source file.
2827 * config/fixunstfdi.c: New source file.
2828 * config/floatditf.c: New source file.
2829 * config/floatunditf.c: New souce file.
2830 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2831 files above instead of config/mips/_tilib.c.
2832 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2834 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2836 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2837 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2839 2006-05-18 Mike Stump <mrs@apple.com>
2841 Fix up vla, vm and [*] sematics.
2847 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2848 (c_vla_unspec_p): Add.
2849 (c_vla_type_p): Add.
2850 * c-decl.c (struct c_scope): Add had_vla_unspec.
2851 (build_array_declarator): Add support for [*].
2852 (grokdeclarator): Likewise.
2853 (grokparms): Likewise.
2854 (get_parm_info): Likewise.
2855 * c-objc-common.c (c_vla_unspec_p): Likewise.
2856 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2857 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2858 typeof when argument is a variably modified type not inside sizeof or alignof.
2859 (c_parser_direct_declarator_inner): Propagate errors.
2860 (c_parser_sizeof_expression): Add support for [*].
2861 (c_parser_parms_declarator): Initialize had_vla_unspec.
2862 (c_parser_parms_list_declarator): Likewise.
2863 * c-typeck.c (c_vla_type_p): Add.
2864 (composite_type): Add support for vla compositing.
2865 (comptypes_internal): Add support for vla compatibility.
2866 (c_expr_sizeof_expr): Evaluate vla arguments.
2867 * tree.c (variably_modified_type_p): Update comment for [*].
2869 2006-05-18 Michael Matz <matz@suse.de>
2872 * config.host: Make assignments to host_xmake_file cumulative.
2873 * config.host (*-darwin*): Test $host, not $target.
2875 2006-05-12 Stuart Hastings <stuart@apple.com>
2877 * config/i386/i386.opt (-mstackrealign): New flag.
2878 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2879 (ix86_handle_cconv_attribute): Emit error when
2880 force_align_arg_pointer attribute collides with too many regparms.
2881 (ix86_function_regparm): Limit regparms when used with
2882 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2883 Support stack-realigning prologue in non-main functions. Emit
2884 warning for nested functions under -mstackrealign, emit error for
2885 nested functions with force_align_arg_pointer attribute.
2886 * doc/extend.texi (force_align_arg_pointer): Document it.
2887 * doc/invoke.texi (-mstackrealign): Document it.
2889 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2891 PR rtl-optimization/27477
2892 * combine.c (try_combine): Don't split a parallel consisting
2893 of two sets into two individual sets if both sets reference
2896 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2898 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2899 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2901 * doc/options.texi (VarExists): Updated.
2903 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2905 * unwind-dw2.c: Add declarations for uw_update_context and
2907 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2908 detected, advance frame state and context once to skip over stub.
2910 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2914 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2915 Call rewrite_into_loop_closed_ssa only when something changed.
2916 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2917 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2918 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2919 Test for perfect_nest_p here. Fix formating.
2920 (replace_uses_equiv_to_x_with_y): Fix formating.
2921 (stmt_uses_op): Removed.
2922 (can_convert_to_perfect_nest): Removed loopivs parameter.
2923 Complete the test by checking the scalar dependences.
2924 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2927 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2930 From Dan Kegel <dank@kegel.com>:
2931 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2933 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2935 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2936 if the element type is variably modified without recursing.
2938 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2941 * tree-loop-linear.c (try_interchange_loops): Test for
2942 no data dependences.
2944 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2946 PR tree-optimization/27548
2947 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2948 range of ssa names that appear on abnormal edges.
2949 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2950 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2952 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2955 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2957 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2960 * tree.h (OMP_PARALLEL_COMBINED): Define.
2961 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2962 (new_omp_context): Add is_combined_parallel argument.
2963 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2964 new_omp_context caller.
2965 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2966 Adjust gimplify_scan_omp_clauses callers.
2967 (omp_is_private): Issue errors if iteration variable is firstprivate
2968 or reduction in the current context.
2969 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2970 on combined parallel workshare constructs.
2972 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2974 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2975 (gcc-options.o): New rule.
2977 * optc-gen.awk: Protect variables for gcc-options.o with
2978 #ifdef GCC_DRIVER/#endif.
2980 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2982 Fix PR tree-optimization/27373
2983 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2984 (forward_propagate_addr_expr): Update call.
2986 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2988 * doc/options.texi: Move the Negative option.
2990 2006-05-16 Richard Guenther <rguenther@suse.de>
2992 PR tree-optimization/22303
2993 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2995 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2996 ccp_fold did not simplify the statement.
2998 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3001 * Makefile.in (GCC_OBJS): New.
3002 (OBJS-common): Add opts-common.o.
3003 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3004 (cpp$(exeext)): Likewise.
3005 (gcc.o): Also depend on opts.h.
3006 (opts-common.o): New.
3008 * common.opt (gcoff): Add Negative(gdwarf-2).
3009 (gdwarf-2): Add Negative(gstabs).
3010 (gstabs): Add Negative(gstabs+).
3011 (gstabs+): Add Negative(gvms).
3012 (gvms): Add Negative(gxcoff).
3013 (gxcoff): Add Negative(gxcoff+).
3014 (gxcoff+): Add Negative(gcoff).
3015 * config/i386/i386.opt (m32): Add Negative(m64).
3016 (m64): Add Negative(m32).
3018 * doc/options.texi: Document the Negative option.
3020 * gcc.c: Include "opts.h".
3021 (main): Call prune_options after expandargv.
3023 * optc-gen.awk: Generate common declarations for all flag
3024 variables in options.c. Output the neg_index field.
3026 * opts.c (find_opt): Moved to ...
3027 * opts-common.c: Here. New file.
3029 * opts.h (cl_option): Add a neg_index field.
3031 (prune_options): Likewise.
3033 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3036 * omp-low.c (expand_omp_parallel): Don't assert
3037 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3038 instead search for it.
3041 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3044 2006-05-16 Andreas Schwab <schwab@suse.de>
3046 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3049 2006-05-15 Roger Sayle <roger@eyesopen.com>
3052 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3053 integer constants other than zero are only legitimate on TARGET_64BIT.
3054 <CONST_VECTOR> Only zero vectors are legitimate.
3055 (ix86_cannot_force_const_mem): Integral and vector constants can
3056 always be put in the constant pool.
3058 2006-05-16 DJ Delorie <dj@redhat.com>
3060 * crtstuff.c (__dso_handle): Set section from
3061 TARGET_LBIGCC_SDATA_SECTION if defined.
3062 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3063 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3065 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3068 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3071 2006-05-16 Ben Elliston <bje@au.ibm.com>
3073 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3075 2006-05-15 Per Bothner <per@bothner.com>
3077 * tree.c: (last_annotated_node): Use source_locus typedef.
3078 This permits bootstrapping with --enable-mapped-location.
3080 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3082 PR tree-optimization/26830
3083 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3084 (info_for_ssa_name, current_info_for_ssa_name_age,
3085 blocks_to_update): New variables.
3086 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3087 (clear_ssa_name_info, initialize_flags_in_bb,
3088 mark_block_for_update): New functions.
3089 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3090 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3091 prepare_def_site_for): Use mark_block_for_update.
3092 (mark_def_interesting): Assert that the processed block is marked in
3093 blocks_to_update. Do not take blocks argument.
3094 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3096 (rewrite_update_init_block, rewrite_update_stmt): Only process
3097 blocks with statements to rewrite.
3098 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3099 (update_ssa): Initialize and free blocks_to_update. Do not
3100 clear flags on statements. Do not use blocks bitmap.
3101 * tree.h (SSA_NAME_AUX): Removed.
3102 (struct tree_ssa_name): Removed aux field.
3103 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3105 2006-05-15 Richard Guenther <rguenther@suse.de>
3107 PR tree-optimization/27603
3108 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3109 Do computations in original type.
3111 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3113 * see.c: Code style changes such as redundant paranthesis,
3114 redundant intialization of local variables etc.
3115 (see_main): Declared now as static.
3116 * doc/invoke.texi: Update that -fsee is not enabled by
3119 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3121 * omp-low.c (check_omp_nesting_restrictions): New function.
3122 (scan_omp_1): Call it.
3125 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3126 construct, return *VAR.
3128 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3130 PR rtl-optimization/27406
3131 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3134 2006-05-14 Roger Sayle <roger@eyesopen.com>
3136 PR rtl-optimization/27538
3137 * combine.c (expand_compound_operation): Call gen_lowpart
3138 before calling simplify_shift_const.
3140 2006-05-14 Roger Sayle <roger@eyesopen.com>
3142 PR rtl-optimization/22563
3143 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3144 a fixed width bitfield, always force the intermediates into psuedos.
3146 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3149 * mkconfig.sh: Use operator = instead of == for test.
3151 2006-05-13 Nick Clifton <nickc@redhat.com>
3153 * dwarf2out.c (dbx_reg_number): Check return value from
3154 LEAF_REG_REMAP and only use it if it is valid.
3155 (multiple_reg_loc_descriptor): Likewise.
3157 2006-05-13 Richard Guenther <rguenther@suse.de>
3159 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3162 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3164 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3165 information attached to non-INSNs such as NOTEs.
3166 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3168 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3170 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3172 * config/s390/s390.md: Adjust comment describing On constraint.
3174 2006-05-11 Jan Hubicka <jh@suse.cz>
3176 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3177 to be output at -O0.
3179 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3182 * fold-const.c (size_binop): Move sanity check for arguments to
3183 the beginning of the function.
3186 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3189 2006-05-11 Richard Guenther <rguenther@suse.de>
3192 * fold-const.c (fold_unary): Handle intermediate conversion
3193 to a pointer type like intermediate conversion to an integer
3194 type in folding of (T1)(T2)var to var.
3195 Match the code to the comment in the final conversion for
3196 (T1)(T2)var to (T1)var regarding to type precision. Rather
3197 than disallow T1 being of pointer type, assert that both T1
3198 and var are of pointer type or not. Make sure not to fall
3199 over the frontends lazyness wrt array to pointer decay though.
3201 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3203 * arm.c (arm_struct_value_rtx): Delete.
3204 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3205 (arm_init_cumulative_args): Always initialize nregs to zero.
3207 2006-05-10 Richard Guenther <rguenther@suse.de>
3209 PR tree-optimization/27532
3210 * tree-object-size.c (plus_expr_object_size): Fix typo.
3212 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3215 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3216 ashrdi_const, ashrdi3): Use a scratch register.
3218 2006-05-10 Richard Guenther <rguenther@suse.de>
3220 PR tree-optimization/27302
3221 * fold-const.c (operand_equal_p): For two comparisons,
3222 try comparison of one comparison code swapped if that yields
3225 2006-05-10 Ben Elliston <bje@au.ibm.com>
3227 * tree-pretty-print.c (pretty_print_string): No need to handle
3228 '\0' as a special character.
3230 * tree.h: Include "hashtab.h".
3231 (iterative_hash_expr): Use hashval_t in its prototype.
3232 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3234 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3237 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3238 (hppa*64*-*-hpux11*): Ditto.
3239 (hppa[12]*-*-hpux11*): Ditto.
3241 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3244 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3246 2006-05-09 Michael Matz <matz@suse.de>
3248 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3249 host_extra_gcc_objs and host_xmake_file.
3250 (<*-*-linux*>): Don't overwrite host_xmake_file.
3251 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3252 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3253 (host_detect_local_cpu): Declare.
3254 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3255 * config/i386/i386.c (override_options): Handle -mtune=native
3257 * config/i386/x-i386: New file.
3258 * config/i386/driver-i386.c: New file.
3259 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3262 2006-05-09 Dirk Mueller <dmueller@suse.de>
3263 Richard Guenther <rguenther@suse.de>
3266 * fold-const.c (fold_read_from_constant_string): Relax check
3267 for matching types to matching modes.
3269 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3271 PR rtl-optimization/27335
3272 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3275 2006-05-08 Chao-ying Fu <fu@mips.com>
3276 Richard Sandiford <richard@codesourcery.com>
3278 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3279 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3280 * config/mips/mips.md (UNSPEC_SCC): New constant.
3281 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3282 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3283 (mips_emit_compare): Use it.
3284 (mips_expand_vcondv2sf): New function.
3286 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3288 Fix PR tree-optimization/27093
3289 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3290 renaming when they become not-used_alone.
3292 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3294 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3295 relocation and relocation stubs.
3297 2006-05-08 Eric Christopher <echristo@apple.com>
3299 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3302 2006-05-08 Jan Hubicka <jh@suse.cz>
3305 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3306 unused static functions are needed.
3308 2006-05-08 Roger Sayle <roger@eyesopen.com>
3311 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3312 of a reg_equiv_constant if the result is a legitimate constant.
3314 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3317 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3318 standard 80387 constants, raise the cost to prevent
3319 compress_float_constant() to generate load from memory.
3321 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3323 * config/arm/constraints.md (c): Fix a typo.
3325 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3328 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3331 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3333 (_mm_mwait): Likewise.
3335 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3337 (sse3_monitor): Make it 32bit only.
3338 (sse3_monitor64): New. 64bit monitor.
3340 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3343 * config/i386/i386.c (classify_argument): Skip fields with invalid
3346 2006-05-07 Richard Guenther <rguenther@suse.de>
3348 PR tree-optimization/27409
3349 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3350 Do not try to find zero-sized subvars.
3352 2006-05-07 Richard Guenther <rguenther@suse.de>
3354 PR tree-optimization/27136
3355 * tree-ssa-loop-niter.c (get_val_for): Correct function
3356 comment, assert requirements.
3357 (loop_niter_by_eval): Stop processing if the iterated
3358 value did not simplify.
3360 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3362 * opts.c (flag_see): remove its setting at -O3.
3364 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3366 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3367 * arm/constraints.md: New file.
3368 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3369 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3370 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3371 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3372 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3373 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3374 * arm.md: Include constraints.md.
3375 (thumb_movsi_insn): Use satisfies_constraint_J.
3376 (movhi, movqi): Use satisfies_constraint_I.
3378 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3380 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3381 for atmeg a645 device.
3383 2006-05-06 Richard Guenther <rguenther@suse.de>
3385 PR tree-optimization/27151
3386 * tree-vect-transform.c (vectorizable_condition): Punt on
3387 values that have a different type than the condition.
3389 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3392 * c-parser.c (c_parser_cast_expression): Only insert casts into
3393 hash table if pointer.
3394 * function.c (used_types_insert_helper): Rename from
3396 (used_types_insert): Call used_types_insert_helper.
3397 * function.h (used_types_insert): Accept only one argument.
3399 2006-05-05 David Edelsohn <edesohn@gnu.org>
3401 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3402 scratch with output modifier.
3404 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3407 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3408 with output modifier.
3410 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3413 * config/mips/mips.c (mips_symbolic_address_p): Return true
3414 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3415 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3417 2006-05-04 Richard Guenther <rguenther@suse.de>
3419 PR tree-optimization/14287
3420 PR tree-optimization/14844
3421 PR tree-optimization/19792
3422 PR tree-optimization/21608
3423 PR tree-optimization/27090
3424 * tree-ssa-pre.c (try_combine_conversion): New function.
3425 (compute_avail): After constructing the value-handle
3426 expression, use try_combine_conversion to combine NOP_EXPRs
3427 with previous value-handle expressions and use the result if it
3430 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3432 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3434 2006-05-04 Jan Hubicka <jh@suse.cz>
3437 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3439 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3441 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3442 that this only matches CONST_INTs. All users changed to VOIDmode
3445 * config/bfin/bfin.c: Include "optabs.h".
3446 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3448 (enum bfin_builtins): Add a number of fractional and vector builtins.
3449 (bfin_init_builtins): Likewise.
3450 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3451 (safe_vector_operand, bfin_expand_binop_builtin,
3452 bfin_expand_unop_builtin): New functions.
3453 (bfin_expand_builtin): Handle the new builtins.
3454 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3457 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3460 * Makefile.in (OBJS-common): Add see.o.
3461 (see.o): Add dependencies.
3462 * common.opt (fsee): New flag for the see optimization was added.
3463 * opts.c (flag_see): Initialized.
3464 * passes.c (init_optimization_passes, pass_see): New pass.
3465 * rtl.h (see_main): Declaration as extern.
3466 * timevar.def (TV_SEE): New.
3467 * tree-pass.h (pass_see): Declaration as extern.
3468 * invoke.texi (-fsee): Document.
3469 * recog.c (validate_simplify_insn): New function.
3470 * recog.h (validate_simplify_insn): Declaration as extern.
3471 * df-problems.c (df_chain_dump): Check for NULL.
3473 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3474 Daniel Berlin <dberlin@dberlin.org>
3476 * cfgrtl.c (insert_insn_bb_end_new): New function.
3477 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3479 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3481 * df.h (struct web_entry): Moved from web.c.
3482 (union_defs): Declaration as extern.
3483 (unionfind_root): Likewise.
3484 (unionfind_union): Likewise.
3485 * web.c (struct web_entry): Moved to df.h.
3486 (unionfind_root): Remove static declaration.
3487 (unionfind_union): Likewise.
3488 (union_defs): Likewise and generalize to use callback function.
3489 (web_main): Update arguments for union_defs function call.
3491 2006-05-04 Richard Guenther <rguenther@suse.de>
3493 PR tree-optimization/26447
3494 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3495 produce SSA_NAME copies before the store stmt to avoid
3496 breaking exception handling.
3498 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3501 * gimplify.c (omp_is_private): If var is shared in some outer context,
3502 return false instead of true. Stop searching on parallel context
3505 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3508 * coverage.c: Use get_gcov_unsigned_t() instead of
3509 unsigned_type_node all over.
3511 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3513 PR tree-optimization/27381
3514 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3515 maintain the same immediate_use links.
3516 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3517 node rather than segfaulting.
3519 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3522 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3523 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3524 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3526 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3528 Fix PR tree-optimization/26626
3529 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3531 * tree-ssa-operands.c (access_can_touch_variable): Allow
3532 typecasting through union pointers.
3534 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3537 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3538 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3539 to find if var will be a global variable even in the nested context.
3540 (omp_copy_decl): Only check for global variable at the end, it might
3541 be overridden in outer contexts.
3542 (scan_sharing_clauses): For global variables don't create a field.
3543 (lower_rec_input_clauses): Do nothing for global shared variables.
3544 Emit a barrier at the end of ILIST if there were any decls in both
3545 firstprivate and lastprivate clauses.
3546 (lower_send_clauses): Do nothing for global variables except for
3549 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3551 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3552 of the correct signedness is returned.
3554 2006-05-02 Jeff Law <law@redhat.com>
3556 PR tree-optimization/27364
3557 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3558 multiply expressions.
3560 2006-05-02 Tom Tromey <tromey@redhat.com>
3562 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3564 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3567 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3568 -mthumb -fPIC are used.
3570 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3571 Joshua Kinard <kumba@gentoo.org>
3574 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3575 with 64-bit pointers.
3577 2006-05-02 Paul Brook <paul@codesourcery.com>
3579 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3581 (create_fix_barrier): Check that a suitable barrier location is
3583 (arm_reorg): Include ftmp->address in allowable range of addresses.
3585 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3588 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3591 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3594 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3595 around RESULT_DECL for result passed by reference.
3596 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3597 * omp-low.c (use_pointer_for_field): Don't look at
3598 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3599 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3600 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3601 time or var for passing by reference for
3602 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3603 TREE_ADDRESSABLE variables when passing by reference.
3605 * omp-low.c (dump_omp_region): Fix output formatting.
3608 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3609 (expand_omp_parallel): Likewise.
3610 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3613 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3614 on statement list containing also constructors and destructors.
3615 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3618 * except.c (duplicate_eh_regions): Fix clearing of
3619 cfun->eh->region_array entries.
3621 2006-05-01 DJ Delorie <dj@redhat.com>
3623 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3625 (gcc_cv_objdump): Likewise.
3626 * configure: Regenerated.
3628 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3631 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3632 templates for case 3 and 4.
3634 2006-05-01 DJ Delorie <dj@redhat.com>
3636 * vec.c: Include bconfig.h when appropriate.
3637 * Makefile.in (build/vec.o): Adjust dependencies.
3638 * mkconfig.sh: Make sure config.h isn't used for build machine
3641 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3643 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3645 (mark_phi_for_rewrite): New function.
3646 (insert_phi_nodes_for, mark_use_interesting): Call
3647 mark_phi_for_rewrite.
3648 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3649 (update_ssa): Initialize and free phis_to_rewrite.
3651 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3653 PR rtl-optimization/27291
3654 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3655 folded to a constant.
3657 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3659 PR tree-optimization/27283
3660 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3661 not whole # of iteration descriptions.
3662 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3663 uses abnormal ssa name.
3664 (niter_for_single_dom_exit): Ditto.
3665 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3666 return just the number of iterations.
3668 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3670 PR tree-optimization/27144
3671 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3672 (record_estimate): Only record constant upper bound.
3673 (infer_loop_bounds_from_undefined): Call
3674 compute_estimated_nb_iterations just once.
3675 (proved_non_wrapping_p): Renamed to ...
3676 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3677 (convert_step_widening, scev_probably_wraps_p): Call
3678 n_of_executions_at_most instead of proved_non_wrapping_p.
3679 (substitute_in_loop_info): Do not replace values in bounds.
3680 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3683 2006-05-01 Richard Henderson <rth@redhat.com>
3686 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3687 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3690 2006-05-01 Roger Sayle <roger@eyesopen.com>
3692 * c-typeck.c (parser_build_binary_op): Don't call the function
3693 unsigned_conversion_warning to spot operand/result type overflow.
3694 (build_binary_op): Instead, call convert_and_check instead of
3695 convert to report the problem when the operands are promoted.
3696 * c-common.c (unsigned_conversion_warning): Make static.
3697 * c-common.h (unsigned_conversion_warning): Delete prototype.
3699 2006-05-01 Richard Guenther <rguenther@suse.de>
3701 PR tree-optimization/26726
3702 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3704 (find_interesting_uses_address): ... we work around here
3705 by folding INDIRECT_REFs in the substituted base.
3707 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3709 * omp-low.c (dump_omp_region): Add newlines.
3711 2006-04-30 Roger Sayle <roger@eyesopen.com>
3713 * common.opt (Woverflow): New command line option.
3714 * c-common.c (constant_expression_warning): Check warn_overflow.
3715 (overflow_waring): Pass OPT_Woverflow to warning.
3716 (unsigned_conversion_warning): Likewise.
3717 (convert_and_check): Likewise.
3718 * doc/invoke.texi: Document new command line option.
3720 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3722 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3723 TARGET_NO_FP_IN_TOC for section anchors.
3724 (optimization_options): Enable section anchors for all
3725 non-"Objective" languages.
3727 2006-04-28 Eric Christopher <echristo@apple.com>
3729 * config/darwin-c.c (darwin_ms_struct): Move this
3730 (darwin_set_default_type_attributes): and this...
3731 * config/darwin.c: ... here.
3732 * config/darwin.h (darwin_ms_struct): Declare.
3734 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3736 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3738 2006-04-28 Roger Sayle <roger@eyesopen.com>
3741 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3742 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3743 an unsigned HOST_WIDE_INT.
3744 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3746 (really_start_incremental_init): No need to call convert because
3747 bitsize_zero_node is already of type bitsizetype.
3748 (push_init_level): Extract the value of constructor_index as an
3749 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3750 (process_init_element): Likewise.
3752 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3754 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3755 value before passing to make_relative_prefix.
3757 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3760 * builtins.c (expand_builtin_memset): Expand val in original mode.
3762 2006-04-27 Eric Christopher <echristo@apple.com>
3764 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3765 with #ifndef/#endif.
3766 * config/darwin-c.c (darwin_ms_struct): New.
3767 (darwin_pragma_ms_struct): Ditto.
3768 (darwin_set_default_type_attributes): Ditto.
3769 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3770 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3771 Register ms_struct pragma.
3772 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3773 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3774 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3775 darwin_set_default_type_attributes if TARGET_MACHO.
3777 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3779 PR tree-optimization/26854
3780 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3781 * doc/tree-ssa.texi: Update immuse iterator documentation.
3782 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3783 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3784 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3785 first_safe_imm_use, next_safe_imm_use): Remove.
3786 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3787 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3788 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3789 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3790 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3791 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3792 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3793 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3794 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3795 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3796 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3797 (perfect_nestify): Use new iterator.
3798 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3800 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3801 (next_imm_name): New field in struct immediate_use_iterator_d.
3802 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3803 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3804 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3805 * tree-cfg.c (replace_uses_by): Use new iterator.
3806 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3807 * tree-ssa-operands.c (correct_use_link): Remove.
3808 (finalize_ssa_use_ops): No longer call correct_use_link.
3810 2006-04-27 Stuart Hastings <stuart@apple.com>
3812 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3813 * config/t-darwin (crt3.o): Use it.
3814 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3815 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3816 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3817 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3818 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3821 2006-04-27 Roger Sayle <roger@eyesopen.com>
3823 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3824 size, force the intermediate into a new pseudo rather instead of
3825 performing both a bitwise AND and a bitwise IOR in memory.
3827 2006-04-27 Richard Guenther <rguenther@suse.de>
3829 PR rtl-optimization/26685
3830 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3831 this one "max-flow-memory-locations".
3833 2006-04-27 Richard Guenther <rguenther@suse.de>
3835 PR tree-optimization/25148
3836 * tree-vrp.c (compare_values): Remove code dealing with
3837 comparisons against type min/max value. Honour overflow
3838 and negative constants in code dealing with comparisons
3839 of plus and minus expressions.
3840 (value_inside_range): Use fold_binary with LE_EXPR and
3841 GE_EXPR rather than compare_values.
3843 2006-04-27 Dirk Mueller <dmueller@suse.de>
3845 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3848 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3850 * basic-block.h (safe_insert_insn_on_edge): Removed.
3851 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3853 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3854 Paolo Bonzini <bonzini@gnu.org>
3857 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3858 (simplify_and_const_int): Same.
3860 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3862 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3864 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3867 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3868 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3869 cgraph_global_info_ready.
3872 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3875 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3876 either decl or init is error_mark_node.
3879 * tree-flow.h (struct omp_region): Add sched_kind.
3880 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3881 instead of extracting omp for data.
3882 (expand_omp_for): Save extracted sched_kind.
3884 2006-04-25 Roger Sayle <roger@eyesopen.com>
3886 * expmed.c (store_bit_field): Also check whether the bitsize is
3887 valid for the machine's "insv" instruction before moving the
3888 target into a pseudo for use with the insv.
3889 * config/i386/predicates.md (const8_operand): New predicate.
3890 * config/i386/i386.md (extv, extzv, insv): Use the new
3891 const8_operand predicate where appropriate.
3893 2006-04-25 DJ Delorie <dj@redhat.com>
3895 * doc/install.texi (Specific): Clarify that this is not a list of
3896 supported hosts or targets.
3898 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3900 PR rtl-optimization/26725
3901 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3902 block's BB_DIRTY flag.
3904 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3906 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3909 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3910 to print an integer.
3912 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3914 * varasm.c (align_variable): New function.
3915 (get_block_for_decl): Apply align_variable to DECL before
3916 calculating section information.
3917 (assemble_variable): Split out alignment computation.
3919 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3921 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3924 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3926 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3927 MODE_PARTIAL_INT mode.
3928 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3929 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3931 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3932 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3934 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3936 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3938 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3939 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3940 MACFLAG_IH): Likewise.
3941 (movstricthi_1): Renamed from "*movstricthi".
3942 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3943 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3944 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3945 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3946 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3947 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3948 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3949 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3950 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3951 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3952 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3953 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3954 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3955 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3956 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3958 * doc/rtl.texi (ss_ashift): Improve wording.
3960 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3962 * dwarf2out.c (verify_marks_clear): New.
3963 (prune_unused_types): Call verify_marks_clear initially, not
3966 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3968 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3969 * doc/rtl.texi: Document them.
3970 * simplify-rtx.c (simplify_unary_operation,
3971 simplify_binary_operation_1): Don't abort when we see them.
3973 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3976 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3977 * configure.ac: Completely disregard languages that are not
3979 * configure: Regenerated.
3981 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3982 Richard Guenther <rguenther@suse.de>
3984 PR tree-optimization/27236
3985 * tree-inline.c (copy_body_r): Make sure to copy
3986 TREE_THIS_VOLATILE flag.
3988 2006-04-24 Richard Guenther <rguenther@suse.de>
3991 * tree-complex.c (update_parameter_components): Don't handle
3992 unused parameters which have no default def.
3994 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3995 Richard Guenther <rguenther@suse.de>
3997 PR tree-optimization/27218
3998 * tree-inline.c (expand_call_inline): Strip useless type
3999 conversions for the return slot address.
4001 2006-04-24 Richard Guenther <rguenther@suse.de>
4003 * cfgloop.h (struct loops): Remove unused field array. Reorder
4005 (LOOP_PREFETCH): Remove.
4007 2006-04-24 Richard Guenther <rguenther@suse.de>
4009 PR tree-optimization/22525
4010 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4011 variable, adjust types of generated expressions.
4013 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4015 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4016 (tree-vect-patterns.o): Likewise.
4018 (cselib.o): Likewise.
4019 (loop-doloop.o): Likewise.
4020 (regclass.o): Likewise.
4021 (reload1.o): Likewise.
4022 (explow.o): Replace target.h with $(TARGET_H).
4023 (ipa-prop.o): Likewise.
4024 (ipa-cp.o): Likewise.
4025 (ipa-inline.o): Likewise.
4026 (reorg.o): Likewise.
4027 (reg-stack.o): Likewise.
4029 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4031 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4033 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4035 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4037 * configure.ac: Completely disregard languages that are not
4039 * configure: Regenerated.
4042 * c-common.h (c_build_bitfield_integer_type): Declare.
4043 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4044 * c-common.c (c_build_bitfield_integer_type): ... here.
4046 2006-04-23 Roger Sayle <roger@eyesopen.com>
4049 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4050 a SImode SUBREG of a floating point register after no_new_pseudos.
4052 2006-04-23 Roger Sayle <roger@eyesopen.com>
4054 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4055 identify potentially eliminable registers to additionally catch
4056 VIRTUAL_INCOMING_ARGS_REGNUM.
4057 (addsi3): Update the conditions on when to use addsi_small_int.
4059 2006-04-23 Roger Sayle <roger@eyesopen.com>
4062 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4063 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4064 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4066 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4068 * fold-const.c (range_predecessor): Use operand_equal_p
4069 as the predicate for equality.
4070 (range_successor): Likewise.
4072 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4075 * config/soft-fp/op-common.h: Fix a typo.
4077 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4080 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4081 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4083 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4085 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4087 * doc/tm.texi: Fix a typo.
4089 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4091 * dwarf2out.c (struct die_struct): Document that die_sib makes
4092 a circular linked list.
4093 (FOR_EACH_CHILD): New.
4094 (reverse_die_lists): Delete.
4095 (reverse_all_dies): Delete.
4096 (add_dwarf_attr): Correct documentation.
4097 (remove_child_with_prev): New.
4098 (remove_child_TAG): Update for change to die_struct, use
4099 remove_child_with_prev.
4100 (add_child_die): Update for change to die_struct.
4101 (splice_child_die): Use remove_child_with_prev and add_child_die.
4102 (print_die): Use FOR_EACH_CHILD.
4103 (die_checksum): Likewise.
4104 (assign_symbol_names): Likewise.
4105 (output_location_lists): Likewise.
4106 (build_abbrev_table): Likewise.
4107 (calc_die_sizes): Likewise.
4108 (mark_dies): Likewise.
4109 (unmark_dies): Likewise.
4110 (unmark_all_dies): Likewise.
4111 (output_die): Likewise.
4112 (prune_unused_types_mark): Likewise.
4113 (prune_unused_types_walk): Likewise.
4114 (same_die_p): Update for change to die_struct.
4115 (break_out_includes): Likewise.
4116 (prune_unused_types_prune): Likewise.
4117 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4118 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4120 (dwarf2out_finish): Don't call reverse_all_dies.
4122 2006-04-21 Eric Christopher <echristo@apple.com>
4124 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4125 in comments and function names.
4127 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4130 * c-typeck.c (digest_init): Robustify.
4132 * c-typeck.c (pop_init_level): Simplify.
4134 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4136 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4138 2006-04-21 Paul Brook <paul@codesourcery.com>
4140 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4141 hardware floating point.
4143 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4145 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4148 2006-04-21 Nick Clifton <nickc@redhat.com>
4150 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4153 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4156 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4157 C++ lang type in traceback table for Objective-C++.
4159 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4161 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4163 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4165 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4168 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4169 were errors. Remove check for erroneous objects.
4171 2006-04-20 Jeff Law <law@redhat.com>
4173 PR tree-optimization/26854
4174 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4175 checking for zero or one use.
4176 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4177 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4178 * tree-ssa-reassoc.c (negate_value): Similarly.
4179 (reassociate_bb): Similarly.
4181 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4183 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4184 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4185 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4187 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4189 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4190 fp regs if the last fp arg doesn't fit in regs.
4192 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4195 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4196 that the last insn has the REG_INC note.
4198 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4199 Nathan Sidwell <nathan@codesourcery.com>
4202 * stor-layout.c (update_alignment_for_field): Do not align
4204 (place_union_field): Place union field at the start of the union.
4205 (place_field): Move ERROR_MARK check later, and use the current
4206 allocation position to maintain monotonicity.
4208 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4210 * dominance.c: Include timevar.h.
4211 (calculate_dominance_info): Use TV_DOMINANCE.
4212 * timevar.def (TV_DOMINANCE): New timevar.
4213 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4215 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4217 PR rtl-optimization/14261
4218 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4219 move would be an INSV insn.
4220 (noce_process_if_block): Don't optimize if the destination is a
4221 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4223 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4225 * config/s390/s390.md: Add comments with the instructions emitted
4226 by an insn pattern if macros are used.
4228 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4230 PR rtl-optimization/26026
4231 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4232 is a known power of two shifted left a variable amount.
4234 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4236 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4237 to hash table twice when the debug_str section has SECTION_MERGE.
4239 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4241 * config/soft-fp: New directory. From glibc.
4242 * config/soft-fp/t-softfp: New.
4243 * config/soft-fp/README: New.
4244 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4245 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4246 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4247 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4248 * config.gcc: Use rs6000/t-fprules-fpbit or
4249 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4251 * config/rs6000/sfp-machine.h: New. Based on glibc.
4252 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4254 * config/rs6000/t-fprules: Remove fp-bit rules.
4255 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4256 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4257 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4258 (softfp_wrap_start, softfp_wrap_end): New.
4260 2006-04-18 DJ Delorie <dj@redhat.com>
4262 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4264 2006-04-18 Devang Patel <dpatel@apple.com>
4266 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4268 2006-04-18 Nick Clifton <nickc@redhat.com>
4270 * config/sh/t-symbian: Add rule to build sh-c.o
4271 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4272 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4273 (sh_symbian_encode_section_info): Likewise.
4275 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4277 * builtins.c (expand_builtin_strcmp): Cover label definition of
4278 do_libcall with HAVE_cmpstrnsi.
4280 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4282 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4284 * function.h (temp_slot_p): New.
4285 (function): Change the type of x_used_temp_slots to
4286 VEC(temp_slot_p,gc) *.
4288 2006-04-18 Nick Clifton <nickc@redhat.com>
4290 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4291 flag_strength_reduce.
4293 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4295 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4299 Partial revert of revision 112637
4300 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4301 Dale Johannesen <dalej@apple.com>
4304 * regclass.c (struct reg_pref): Update documentation.
4305 (regclass): Set prefclass to NO_REGS if memory is the best option.
4306 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4308 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4310 PR tree-optimization/26821
4311 * tree-ssa-math-opts.c (get_constant_one): New.
4312 (insert_reciprocals): Use it.
4314 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4316 * dwarf2out.c (free_AT): Delete.
4317 (remove_AT): Update string ref counts.
4318 (remove_child_TAG): Don't call free_die.
4320 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4321 or DW_TAG_GNU_EINCL.
4322 (prune_unused_types_walk_attribs): Reset string refcounts.
4323 (prune_unused_types_update_strings): New.
4324 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4325 call free_die. Do call prune_unused_types_update_strings.
4326 (prune_unused_types): Empty debug_str_hash.
4328 2006-04-17 Roger Sayle <roger@eyesopen.com>
4330 * expr.c (expand_assignment): Optimize away no-op moves where the
4331 source and destination are equal and have no side-effects.
4333 2006-04-17 Richard Guenther <rguenther@suse.de>
4336 * reload.c (push_reload): Guard calls to get_secondary_mem
4339 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4341 * alias.c (reg_base_value, old_reg_base_value): Change the
4342 type to VEC(rtx,gc) *.
4343 (REG_BASE_VALUE, find_base_value, record_set,
4344 init_alias_analysis): Use VEC instead of VARRAY.
4346 * alias.c (alias_sets): Change the type to
4347 VEC(alias_set_entry,gc) *.
4348 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4349 VEC instead of VARRAY.
4350 (last_alias_set): Remove.
4352 * cgraph.h (cgraph_edge_p): New.
4353 Update the prototype of cgraph_function_versioning.
4354 * cgraphunit.c (cgraph_copy_node_for_versioning,
4355 cgraph_function_versioning): Use VEC instead of VARRAY.
4356 * ipa-cp.c (ipcp_insert_stage): Likewise.
4358 2006-04-16 Roger Sayle <roger@eyesopen.com>
4361 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4362 "A op B" or "A op C", we may need to convert A to the type of B and C.
4364 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4366 * target.h (struct gcc_target): Add mode_rep_extended.
4367 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4368 (init_num_sign_bit_copies_in_rep): Initialize it using
4370 (truncate_to_mode): Use it.
4371 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4372 * targhooks.h (default_mode_rep_extended): Declare it.
4373 * targhooks.c (default_mode_rep_extended): Define it.
4374 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4375 default_mode_rep_extended.
4376 (TARGET_INITIALIZER): Include it.
4377 * doc/tm.texi (Misc): Document it.
4378 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4379 (mips_truncated_to_mode): New function.
4381 2006-04-16 Roger Sayle <roger@eyesopen.com>
4384 * expr.c (compress_float_constant): Copy the narrow constant into
4385 a new pseudo before extending it to its final width.
4387 2006-04-16 Roger Sayle <roger@eyesopen.com>
4388 Andrew Pinski <pinskia@gcc.gnu.org>
4389 Dale Johannesen <dalej@apple.com>
4392 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4393 special case code to implement V8HImode and V16QImode with SSE2.
4395 2006-04-15 Roger Sayle <roger@eyesopen.com>
4397 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4398 trees are constructed with a suitable tree type.
4400 2006-04-15 Roger Sayle <roger@eyesopen.com>
4402 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4403 (integer_onep): Likewise.
4404 (integer_all_onesp): Likewise.
4405 (integer_pow2p): Likewise.
4406 (integer_nonzerop): Likewise.
4407 (real_zerop): Likewise.
4408 (real_onep): Likewise.
4409 (real_twop): Likewise.
4410 (real_minus_onep): Likewise.
4411 (int_size_in_bytes): Likewise.
4412 (host_integerp): Likewise.
4414 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4416 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4417 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4418 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4420 * tree-ssa-structalias.h (alias_info): Remove num_references.
4422 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4424 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4425 (output_bvb patterns): Likewise.
4426 * pa.c (output_bb): Use 'bb' insn for long branch case.
4427 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4428 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4429 1. Correct length operand for alternatives 1 and 2.
4430 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4431 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4433 2006-04-14 Roger Sayle <roger@eyesopen.com>
4435 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4436 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4437 were accidentally reverted by r112959.
4439 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4442 * except.h (eh_region_outermost): New prototype.
4443 * except.c (eh_region_outermost): New function.
4444 * tree-cfg.c (find_outermost_region_in_block): Use it.
4446 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4448 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4450 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4451 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4452 (init_reload, reload): Use VEC instead of VARRAY.
4453 * reload.h: Update the prototype for
4454 reg_equiv_memory_loc_varray.
4456 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4457 Eric Botcazou <ebotcazou@libertysurf.fr>
4459 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4462 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4465 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4466 to expand fallback builtin function call.
4468 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4471 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4472 and emit libcall here in case the builtin fails.
4473 (expand_builtin_strcmp): Always emit the libcall here on failure.
4475 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4477 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4478 * flow.c (reg_n_info): Change the type to
4479 VEC(reg_info_p,heap) *.
4480 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4482 * regs.h (reg_info_p): New.
4483 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4484 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4485 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4488 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4490 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4492 * params.h (MAX_SCHED_READY_INSNS): New macro.
4493 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4494 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4495 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4496 the ready list for 1 cycle during the first scheduling pass.
4497 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4499 2006-04-13 Richard Henderson <rth@redhat.com>
4502 * gimple-low.c (lower_omp_directive): Remove dead code.
4503 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4504 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4505 * omp-low.c (struct omp_region): Move to tree-flow.h.
4506 (root_omp_region): Export.
4507 (omp_regions, lookup_omp_region): Remove.
4508 (determine_parallel_type): Update for struct omp_region changes.
4509 (dump_omp_region): Dump regions with block numbers.
4510 (new_omp_region): Take type and block instead of stmt; malloc
4512 (free_omp_region_1, free_omp_regions): New.
4513 (expand_parallel_call): Take entry_stmt as argument; update for
4514 changes to omp_region.
4515 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4516 (remove_exit_barriers): New.
4517 (expand_omp_parallel): Update for struct omp_region changes.
4518 (expand_omp_synch): Likewise.
4519 (expand_omp): Likewise.
4520 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4521 (expand_omp_for_static_chunk): Likewise.
4522 (expand_omp_for): Likewise.
4523 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4524 (expand_omp_sections): Similarly, with GOMP_sections_end.
4525 (expand_omp_single): New.
4526 (build_omp_regions_1): Update for OMP_CONTINUE.
4527 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4528 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4529 OMP_SECTIONS_SECTIONS.
4530 (lower_omp_single_simple): Don't emit barrier here.
4531 (lower_omp_single_copy): Likewise.
4532 (lower_omp_single): Fix bindings, and lower to straightline now.
4533 (lower_omp_master, lower_omp_ordered): Likewise.
4534 (lower_omp_critical): Likewise.
4535 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4536 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4537 omp edges, free it afterward.
4538 (make_omp_sections_edges): Remove.
4539 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4540 (move_stmt_r): Handle OMP_CONTINUE.
4541 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4542 statement pointers to basic blocks. Add type member.
4543 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4544 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4545 * tree-inline.c (estimate_num_insns_1): Likewise.
4546 * tree-pretty-print.c (dump_generic_node): Likewise.
4547 * tree-ssa-operands.c (get_expr_operands): Likewise.
4548 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4549 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4550 (OMP_CONTINUE): New.
4551 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4552 (OMP_SECTIONS_SECTIONS): Remove.
4553 (OMP_SECTION_LAST): New.
4554 (OMP_RETURN_NOWAIT): New.
4556 2006-04-13 Roger Sayle <roger@eyesopen.com>
4558 * fold-const.c (native_encode_vector, native_interpret_real):
4559 Correct obvious mistakes in the previous check-in.
4561 2006-04-13 Roger Sayle <roger@eyesopen.com>
4563 * fold-const.c (native_encode_expr): New function to encode
4564 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4565 or VECTOR_CST into a specified buffer.
4566 (native_encode_int): New function.
4567 (native_encode_real): New function.
4568 (native_encode_complex): New function.
4569 (native_encode_vector): New function.
4570 (native_interpret_expr): Inverse of native_encode_expr to convert
4571 a target representation into an INTEGER_CST, REAL_CST etc...
4572 (native_interpret_int): New function.
4573 (native_interpret_real): New function.
4574 (native_interpret_complex): New function.
4575 (native_interpret_vector): New function.
4576 (fold_view_convert_expr): New function to constant fold/evaluate
4577 a VIEW_CONVERT_EXPR of a suitable constant expression.
4578 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4579 Change call of build1 to fold_build1 when constructing a
4582 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4583 Ulrich Weigand <uweigand@de.ibm.com>
4586 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4589 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4592 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4593 optimize to lo_sum for DFmode if !TARGET_FPRS.
4595 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4597 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4598 delete_alias_info, compute_flow_sensitive_aliasing,
4599 group_aliases): Use VEC instead of VARRAY.
4600 * tree-ssa-structalias.c (update_alias_info): Likewise.
4601 * tree-ssa-structalias.h (alias_info): Change the type of
4602 processed_ptrs to VEC(tree,heap) *.
4604 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4607 * config/sh/lib1funcs.h: New file, broken out of:
4608 * config/sh/lib1funcs.asm.
4609 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4611 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4612 * config/sh/lib1funcs-Os-4-200.asm: New file.
4613 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4614 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4615 (EXTRA_MULTILIB_PARTS): Include it.
4616 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4617 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4618 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4619 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4622 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4624 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4625 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4626 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4628 * tree-ssa-live.h: Include vecprim.h.
4629 (tree_partition_associator_d): Change the type of
4630 first_partition to VEC(int,heap) *.
4631 (tpa_first_partition): Use VEC instead of VARRAY.
4633 * Makefile.in (GTFILES): Move functions.h after tree.h.
4634 * function.c (reset_block_changes, record_block_change,
4635 check_block_change, free_block_changes): Use VEC instead of
4637 * function.h (function): Change the type of
4638 ib_boundaries_block to VEC(tree,gc) *.
4639 * tree-inline.c (copy_cfg_body): Initialize
4640 ib_boundaries_block to NULL instead of (varray_type) 0.
4642 2006-04-12 Roger Sayle <roger@eyesopen.com>
4644 * expr.c (emit_group_store): Correct operand order in call to
4645 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4646 a SUBREG_BYTE of zero.
4648 2006-04-12 Richard Guenther <rguenther@suse.de>
4650 * profile.c (compute_branch_probabilities): Remove code
4651 encapsulated in !ir_type (), which are remanents of the
4652 removed RTL profiling code.
4653 * rtl-profile.c: Remove.
4655 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4657 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4658 magic NULL_RTX comment.
4659 (function_arg): Store entire fp arg to mem if any part should go
4661 (rs6000_arg_partial_bytes): Adjust for above change.
4663 2006-04-11 Roger Sayle <roger@eyesopen.com>
4665 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4666 if it hasn't been initialized by dwarf2out_init.
4668 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4670 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4671 symbolic constants in branch patterns.
4673 2006-04-11 Roger Sayle <roger@eyesopen.com>
4675 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4677 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4679 PR rtl-optimization/27073
4680 * gcse.c (try_replace_reg): Revert last change. Continue to search
4681 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4684 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4686 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4687 aggregate types other than record and union types.
4688 (function_arg): Likewise.
4689 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4691 (function_value): In 64-bit mode, return objects that require it
4694 2006-04-11 Roger Sayle <roger@eyesopen.com>
4696 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4698 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4700 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4702 2006-04-03 Jeff Law <law@redhat.com>
4705 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4706 alias information too.
4708 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4710 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4712 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4715 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4716 (premark_used_types_helper): New.
4717 (premark_used_types): New.
4718 (gen_subprogram_die): Call premark_used_types.
4719 (prune_unused_types_walk): Do not prune perennial dies.
4720 * function.c (used_types_insert): New.
4721 * function.h (struct function): Add used_types_hash field.
4722 (used_types_insert): Add prototype.
4723 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4724 * c-parser.c (c_parser_cast_expression): Save casted types in used
4727 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4730 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4731 rs6000_explicit_options.float_gprs.
4733 2006-04-10 Roger Sayle <roger@eyesopen.com>
4735 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4736 from ix86_expand_vector_init_low_nonzero. Take an additional
4737 one_var argument indicating which element is non-zero. Support
4738 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4739 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4740 with one_var instead of ix86_expand_vector_init_low_nonzero.
4742 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4744 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4745 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4746 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4747 build/genextract.o): Depend on vecprim.h.
4748 * cfglayout.c, df-problems.c, function.c, genextract.c,
4749 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4750 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4754 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4756 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4757 Declare VECs of this type.
4758 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4759 (remove_children): Delete.
4760 (add_dwarf_attr): Use VEC routines.
4761 (add_AT_flag): Update for changes to add_dwarf_attr.
4762 (add_AT_int): Likewise.
4763 (add_AT_unsigned): Likewise.
4764 (add_AT_long_long): Likewise.
4765 (add_AT_vec): Likewise.
4766 (add_AT_string): Likewise.
4767 (add_AT_die_ref): Likewise.
4768 (add_AT_fde_ref): Likewise.
4769 (add_AT_loc): Likewise.
4770 (add_AT_loc_list): Likewise.
4771 (add_AT_addr): Likewise.
4772 (add_AT_lbl_id): Likewise.
4773 (add_AT_lineptr): Likewise.
4774 (add_AT_macptr): Likewise.
4775 (add_AT_offset): Likewise.
4776 (add_AT_range_list): Likewise.
4777 (get_AT): Use VEC_iterate.
4778 (remove_AT): Use VEC_ordered_remove.
4779 (free_die): Fold remove_children into here; have it use VEC_iterate.
4780 (print_die): Use VEC_iterate on attrs.
4781 (reverse_die_lists): Don't reverse attr lists.
4782 (die_checksum): Use VEC_iterate on attrs.
4783 (same_die_p): Likewise.
4784 (output_location_lists): Likewise.
4785 (build_abbrev_table): Likewise.
4786 (size_of_die): Likewise.
4787 (unmark_all_dies): Likewise.
4788 (output_abbrev_section): Likewise.
4789 (output_die): Likewise.
4790 (prune_unused_types_walk_attribs): Likewise.
4792 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4794 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4796 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4799 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4801 2006-04-09 Roger Sayle <roger@eyesopen.com>
4803 * expr.c (store_constructor): Don't bother clearing target if
4804 we're about to assign a vector to it using vec_init_optab.
4806 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4808 * tree-ssa-alias.c (lhs_may_store_to): New function.
4809 (recalculate_used_alone): Handle LHS of calls.
4811 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4815 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4816 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4817 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4818 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4819 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4820 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4821 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4822 stubs. Add ".align 8" directives before all ".dword" directives.
4823 (GTHREAD_USE_WEAK): Revise comment.
4824 (TARGET_ATTRIBUTE_WEAK): Define.
4825 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4826 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4827 * stublib.c: New file.
4832 * pa.md (cbranch patterns): Revise arguments used in calls to
4833 output_cbranch, output_bb and output_bvd. Add long branch length
4835 (fbranch patterns): Handle long branches.
4836 (jump): Revise length check. Revise arguments for output_lbranch call.
4837 Add long branch length attributes.
4838 (decrement_and_branch_until_zero): Add long branch length attributes.
4839 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4840 Likewise. Revise arguments for output_parallel_addb and
4841 output_parallel_movb calls.
4842 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4843 output_parallel_movb and output_parallel_addb): Update prototypes.
4844 * pa.c (output_cbranch): Revise arguments. Correct handling of
4845 nullification in long branches.
4846 (output_lbranch): Add new argument to control extraction of delay
4848 (output_bb): Handle long branches.
4849 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4850 output_parallel_addb): Likewise.
4852 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4854 PR rtl-optimization/27073
4855 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4858 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4860 * tree.h (tree_memory_tag): Add old_used_alone.
4861 (SMT_OLD_USED_ALONE): New macro.
4862 * tree-ssa-alias.c (recalculate_used_alone): Stop
4863 marking things for renaming unnecessarily.
4865 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4867 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4868 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4869 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4870 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4871 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4872 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4873 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4874 spelling convensions.
4875 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4876 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4877 typos. Follow spelling conventions.
4879 2006-04-07 DJ Delorie <dj@redhat.com>
4881 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4882 passed on the stack.
4883 (m32c_init_cumulative_args): When a function returns a structure,
4884 always pass the pointer to that return area on the stack.
4885 (m32c_function_arg_advance): Don't increment the parameter number
4886 if we're processing the returned structure pointer.
4887 (pushm_info): Reverse order of registers.
4889 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4891 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4892 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4893 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4894 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4896 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4897 chrec_fold_multiply): Same.
4898 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4899 force_expr_to_var_cost): Same.
4900 * tree-mudflap.c (mf_xform_derefs_1): Same.
4901 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4903 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4905 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4906 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4909 2006-04-07 Jan Hubicka <jh@suse.cz>
4911 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4913 2006-04-07 Richard Guenther <rguenther@suse.de>
4915 PR tree-optimization/26135
4916 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4917 loads for store copy-prop.
4918 (copy_prop_visit_stmt): Likewise.
4920 2006-04-05 Robert Millan <robertmh@gnu.org>
4922 * config/i386/linux.h: Add a comment to mark macros that are
4923 being overriden in config/k*bsd-gnu.h.
4924 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4926 * config/knetbsd-gnu.h: Ditto.
4928 2006-04-06 Jan Hubicka <jh@suse.cz>
4932 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4935 2006-04-06 Mike Stump <mrs@apple.com>
4937 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4938 for HAVE_nonlocal_goto to be consistent.
4939 (expand_builtin_nonlocal_goto): Likewise.
4940 (expand_builtin_strcmp): Use #ifdef instead of #if
4941 for HAVE_cmpstrnsi to be consistent.
4943 2006-04-05 DJ Delorie <dj@redhat.com>
4945 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4948 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4950 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4951 got-relative addressing for anything but SImode.
4953 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4954 even if the calling function doesn't modify them.
4956 2006-04-05 Richard Guenther <rguenther@suse.de>
4958 PR tree-optimization/26919
4959 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4960 to cgraph_estimate_size_after_inlining.
4962 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4964 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4966 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4968 PR tree-optimization/26996
4969 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4970 VECTOR_TYPE variables.
4972 2006-04-05 Richard Guenther <rguenther@suse.de>
4974 PR tree-optimization/26763
4975 * fold-const.c (fold_comparison): Move folding of
4976 PTR + CST CMP PTR + CST ...
4977 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4979 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4981 * doc/install.texi (Prerequisites): Refine some wording on
4982 bootstrapping and ksh.
4983 Move the version numbers of DejaGnu here from the testing section
4984 and fix casing of names.
4985 Fix markup and clarify wording for autogen requirements.
4986 Refer to GCJ instead of just java.
4987 Refer to SVN instead of CVS.
4988 Describe diffutils as useful instead of necessary.
4989 (Downloading the source): Refer to SVN instead of CVS.
4990 Adjust a link to our web site accordingly.
4991 (Configuration): Fix casing of Bison.
4992 (Building): Refer to SVN instead of CVS.
4993 Fix a sentence on the use of Bison and remove duplicate (and
4994 incorrect) version number of Bison requirement.
4995 Remove one redundant list of packages needed for building.
4996 (Specific): Avoid reference to CVS.
4998 2006-04-04 Eric Christopher <echristo@apple.com>
5000 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5001 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5002 (rs6000_handle_struct_attribute): New.
5003 (rs6000_ms_bitfield_layout_p): Ditto.
5005 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5007 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5008 NULL for dso parameter to atexit_common.
5010 2006-04-04 Eric Christopher <echristo@apple.com>
5012 * config/i386/i386.c (machopic_output_stub): Output \t
5013 between instructions and operands.
5015 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5017 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5018 satisfies_constraint_[IL] to explicit tests on value.
5020 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5022 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5023 set_nb_iterations_in_loop): Use build_int_cst instead of
5025 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5026 build_int_cst instead of convert.
5028 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5030 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5031 new value 2 for incoming.
5032 * function.c (expand_function_start): Call struct_value_rtx
5034 * config/sparc/sparc.md: Comment updated_return.
5035 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5036 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5037 struct return if sparc_std_struct_return and incoming is 2.
5038 (print_operand): Do not adjust return if
5039 sparc_std_struct_return.
5041 2006-04-04 Roger Sayle <roger@eyesopen.com>
5043 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5044 convert in the middle-end.
5045 * expr.c (store_expr, store_constructor, get_inner_reference,
5046 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5048 * tree.c (build_range_type): Likewise.
5050 2006-04-04 Tom Tromey <tromey@redhat.com>
5052 * doc/install.texi (Prerequisites): Mention jar.
5054 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5056 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5059 2006-04-04 Matthias Klose <doko@debian.org>
5061 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5062 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5065 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5067 * doc/extend.texi (Function Attributes): Rewrite visibility
5068 attribute documentation.
5069 * doc/invoke.texi (C++ Dialect Options): Rewrite
5070 -fvisibility-inlines-hidden documentation to describe something
5071 entirely different, although in practise compatible.
5072 (Code Gen Options): Warn about system headers in -fvisibility=
5075 * doc/extend.texi (Other Builtins): Document that
5076 __builtin_nan is a compile-time constant only when its argument
5079 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5081 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5082 trying to remove TRUNCATE check if all bits outside the new mode
5083 are identical to the sign bit.
5085 2006-04-03 Jeff Law <law@redhat.com>
5087 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5088 and operand scanning in some common cases.
5090 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5091 Dale Johannesen <dalej@apple.com>
5094 * regclass.c (struct reg_pref): Update documentation.
5095 (regclass): Set prefclass to NO_REGS if memory is the best option.
5096 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5097 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5098 into account. For non-registers, equate an empty preferred
5099 reload class to a `!' in the constraint; move the if clause to
5100 do so after those that reject the insn.
5101 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5103 (find_dummy_reload): Likewise.
5104 * doc/tm.texi (Register Classes): Document what it means
5105 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5106 * config/i386/i386.c (ix86_preferred_reload_class): Force
5107 using SSE registers (and return NO_REGS for floating-point
5108 constants) if math is done with SSE.
5109 (ix86_preferred_output_reload_class): New.
5110 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5111 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5112 * config/i386/i386.md: Remove # register preferences.
5114 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5117 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5118 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5119 the type of nb_iter.
5120 (instantiate_parameters_1): Convert the operands before calling
5121 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5122 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5124 2006-04-02 Roger Sayle <roger@eyesopen.com>
5126 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5127 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5129 * dojump.c (do_jump): Likewise.
5130 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5131 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5132 gimplify_boolean_expr): Likewise.
5133 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5134 * varasm.c (array_size_for_constructor): Likewise.
5135 * tree-object-size.c (compute_object_offset): Likewise.
5137 2006-04-02 Roger Sayle <roger@eyesopen.com>
5140 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5141 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5143 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5145 PR tree-optimization/26939
5146 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5148 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5150 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5151 at_stmt. Convert the type of operands before calling
5152 build_polynomial_chrec.
5153 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5155 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5156 (instantiate_parameters_1): Convert the type of operands before calling
5157 build_polynomial_chrec.
5158 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5159 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5160 reset_evolution_in_loop): Insert asserts to check the types of the
5162 (chrec_type): Moved...
5163 (eq_evolutions_p): Use operand_equal_p.
5164 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5165 the types of the operands.
5166 (chrec_type): ...here.
5167 * tree-data-ref.c (create_data_ref): Convert the operands before
5168 calling chrec_replace_initial_condition.
5169 (same_access_functions, analyze_subscript_affine_affine,
5170 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5171 (compute_subscript_distance, analyze_ziv_subscript,
5172 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5173 analyze_miv_subscript): Convert the operands before calling
5174 chrec_fold_minus or chrec_fold_plus.
5176 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5178 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5179 the dependence_relations vector.
5180 (compute_data_dependences_for_loop): Adjust call to
5181 compute_all_dependences.
5183 2006-04-01 Roger Sayle <roger@eyesopen.com>
5184 Richard Henderson <rth@redhat.com>
5186 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5187 gimple_boolify on the condition before calling gimplify_expr.
5189 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5191 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5192 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5193 the frame size. Update to use the new macros.
5194 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5195 * config/xtensa/ieee754-df.S: Likewise.
5197 2006-03-31 Richard Henderson <rth@redhat.com>
5199 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5200 (make_edges): ... here. Control fallthru creation with a local
5201 variable. Do not play with fake edges.
5202 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5203 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5206 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5208 * dwarf2.h (DW64_CIE_ID): Define.
5209 * dwarf2out.c (DWARF_CIE_ID): Define.
5210 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5211 length header. Use DWARF_CIE_ID.
5212 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5213 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5215 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5217 * config/sh/linux-atomic.asm: New file.
5218 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5220 2006-03-31 DJ Delorie <dj@redhat.com>
5222 * config/m32c/cond.md: Set condition flags properly throughout.
5223 * config/m32c/minmax.md: Likewise.
5224 * config/m32c/prologue.md: Likewise.
5225 * config/m32c/bitops.md: Likewise.
5226 * config/m32c/muldiv.md: Likewise.
5227 * config/m32c/mov.md: Likewise.
5228 * config/m32c/addsub.md: Likewise.
5229 * config/m32c/m32c.md: Likewise.
5230 * config/m32c/jump.md: Likewise.
5231 * config/m32c/shift.md: Likewise.
5233 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5234 conditionally output the pattern for this.
5235 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5236 (m32c_compare_redundant): New.
5237 (m32c_output_compare): New.
5238 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5240 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5241 dest, not src. Allow other 4-byte modes.
5243 2006-03-30 Denis Chertykov <denisc@overta.ru>
5245 * doc/md.texi: Refer to avr/constraints.md instead of
5248 2006-03-30 Roger Sayle <roger@eyesopen.com>
5250 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5251 signed vs. unsigned comparison failures on some hosts.
5253 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5256 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5257 change to FLOAT_REGS.
5259 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5260 (rs6000_override_options): Use it.
5261 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5262 only for -mabi=spe/no-spe and -mabi=altivec.
5264 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5266 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5269 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5271 * Makefile.in: Rename docdir to gcc_docdir.
5273 2006-03-30 Roger Sayle <roger@eyesopen.com>
5276 * expr.c (emit_group_store): Optimize group stores into a pseudo
5277 register by using a paradoxical subreg to initialize the destination
5278 if the first or last member of the group specifies a "low part".
5280 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5283 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5284 * target.h (struct gcc_target.speculate_insn): Change type of the
5285 second parameter to 'int'.
5286 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5287 the second operand of the DEPS_LIST.
5288 (copy_DEPS_LIST_list): Update reference to the second operand of the
5290 * rtl.h (alloc_DEPS_LIST): Update signature.
5291 * sched-int.h (ds_t): Change typedef to 'int'.
5292 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5294 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5296 * haifa-sched.c (try_ready): Change condition to restore
5297 non-speculative pattern of the instruction.
5298 (process_insn_depend_be_in_spec): Code to keep probability of the
5299 speculative dependence non-decreasing.
5301 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5303 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5304 (single_move_for_movmem): ... this. Also change all uses.
5305 (bfin_expand_strmov): Renamed to...
5306 (bfin_expand_movmem): ... this. Also change all uses.
5307 * config/bfin/bfin.md (movstrsi): Renamed to...
5308 (movstrsi): ...this.
5310 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5312 PR tree-optimization/26830
5314 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5315 (copy_prop_visit_stmt): Remove write-only variable ann.
5316 (init_copy_prop): Check variable loop depth here. Do not simulate
5317 memory-tag and virtual operand PHIs except for store copy prop.
5319 2006-03-30 Richard Guenther <rguenther@suse.de>
5321 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5322 variants with double arguments.
5324 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5326 * genpreds.c (write_tm_constrs_h): Delete variable p.
5327 * genconditions.c (write_header): Add tm-constrs.h to included
5329 * genpeep.c (main): Add toplev.h to included headers.
5330 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5331 (build/genpeep.o): Add toplev.h dependency.
5332 * config/rs6000/constraints.md: Add "W" constraint.
5334 2006-03-29 Roger Sayle <roger@eyesopen.com>
5336 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5337 sizes by correctly testing whether the size fits a host integer.
5338 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5339 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5340 SImode range for the default sizetype and bitsizetype.
5342 2006-03-29 Roger Sayle <roger@eyesopen.com>
5344 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5345 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5346 quickly if the argument is already of the correct type.
5347 Call fold_build1 instead of build1. Tidy up blank lines.
5349 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5351 * genemit.c (main): Add tm-constrs.h to included headers.
5352 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5353 * genpeep.c (main): Add tm-constrs.h to included headers.
5354 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5355 (write_tm_constrs_h): this and write complete file.
5356 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5357 (write_insn_preds_c): Add tm-constrs.h to included headers.
5358 (gen_constrs): New variable.
5359 (parse_option): Parse "-c".
5360 (main): Invoke write_tm_constrs_h.
5361 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5362 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5363 (object_out_file): Add tm-constrs.h dependency.
5364 (insn-emit.o): Same.
5365 (insn-output.o): Same.
5366 (insn-peep.o): Same.
5367 (insn-preds.o): Same.
5368 (insn-recog.o): Same.
5369 (tm-constsr.h): New target.
5370 (s-constrs-h): New target.
5372 * config/rs6000/constraints.md: New file.
5373 * config/rs6000/rs6000.c: Include tm-constrs.h.
5374 (num_insn_constant_wide): Convert to satisfies_constraint.
5375 (rs6000_rtx_costs): Convert to satisfies_constraint.
5376 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5377 (CONST_OK_FOR_LETTER_P): Delete.
5378 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5379 (EXTRA_CONSTRAINT): Delete.
5380 (EXTRA_MEMORY_CONSTRAINT): Delete.
5381 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5382 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5383 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5384 satisfies_constraint.
5386 * config/i386/i386.c: Include tm-constrs.h.
5388 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5390 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5391 * tree-data-ref.c (find_data_references_in_loop,
5392 compute_data_dependences_for_loop): Use pointers to VEC.
5393 (analyze_all_data_dependences): Adjust calls.
5394 * tree-data-ref.h (find_data_references_in_loop,
5395 compute_data_dependences_for_loop): Adjust declarations.
5396 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5397 compute_data_dependences_for_loop.
5399 2006-03-29 Paul Brook <paul@codesourcery.com>
5401 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5404 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5406 PR tree-optimization/26859
5407 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5409 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5410 for the step after fold_convert.
5412 2006-03-29 Paul Brook <paul@codesourcery.com>
5414 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5415 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5417 2006-03-29 Paul Brook <paul@codesourcery.com>
5420 * targhooks.c (default_narrow_bitfield): New fuction.
5421 * targhooks.h (default_narrow_bitfield): add prototype.
5422 * target.h (gcc_target): Add narrow_volatile_bitfield.
5423 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5424 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5425 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5426 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5428 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5430 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5432 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5433 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5434 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5435 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5436 (s390_function_arg_float): Allow SDmode and DDmode values to be
5437 passed in floating point registers.
5438 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5439 check with SCALAR_FLOAT_MODE_P.
5440 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5442 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5444 PR tree-optimization/25985
5445 * tree-ssa-loop-niter.c (number_of_iterations_le,
5446 number_of_iterations_ne): Make comments more precise.
5447 (number_of_iterations_cond): Add only_exit argument. Use the
5448 fact that signed variables do not overflow only when only_exit
5450 (loop_only_exit_p): New.
5451 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5452 number_of_iterations_cond.
5454 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5456 PR tree-optimization/26643
5457 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5460 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5462 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5463 (divsi3_i4_int): Likewise.
5465 2006-03-28 Roger Sayle <roger@eyesopen.com>
5467 * expr.c (emit_group_store): Only create a new pseudo reg if the
5468 quantity it needs to hold isn't already a suitable pseudo.
5470 2006-03-28 Jeff Law <law@redhat.com>
5472 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5473 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5475 2006-03-28 Roger Sayle <roger@eyesopen.com>
5477 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5478 the equivalent ~X & Y, and the symmetry related transformations.
5479 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5480 ~X & Y, and symmetry related transforms.
5482 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5484 Revert my 2006-03-27 patches.
5486 2006-03-28 Roger Sayle <roger@eyesopen.com>
5488 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5489 ~(T1)X, when T1 and T2 are integer types of the same precision
5490 and (T2)X isn't an extension.
5492 2006-03-28 Jeff Law <law@redhat.com>
5494 PR tree-optimization/26796
5495 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5496 need EH edge cleanups rather than purging them immediately.
5497 (eliminate_degenerate_phis): Handle queued EH cleanups.
5499 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5501 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5504 2006-03-27 Roger Sayle <roger@eyesopen.com>
5507 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5508 cast BIT_NOT_EXPR operand to the correct type.
5510 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5512 * tree-loop-linear.c: Don't include varray.h.
5513 (gather_interchange_stats, try_interchange_loops,
5514 linear_transform_loops): Use VEC instead of VARRAY.
5515 * lambda-mat.c: Don't include varray.h.
5516 * tree-chrec.c: Same.
5517 * lambda-trans.c: Same.
5518 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5519 VEC instead of VARRAY.
5520 * tree-vectorizer.h: Idem.
5521 * tree-data-ref.c (dump_data_references,
5522 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5523 initialize_data_dependence_relation, finalize_ddr_dependent,
5524 compute_all_dependences, find_data_references_in_loop,
5525 compute_data_dependences_for_loop, analyze_all_data_dependences,
5526 free_dependence_relation, free_dependence_relations,
5527 free_data_refs): Idem.
5528 * tree-data-ref.h (data_reference_p, subscript_p): New.
5529 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5530 VEC instead of VARRAY.
5531 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5532 (find_data_references_in_loop, compute_data_dependences_for_loop,
5533 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5534 dump_data_dependence_relations, free_dependence_relations,
5535 free_data_refs): Adjust declaration.
5536 (lambda_transform_legal_p): Move declaration here...
5537 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5538 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5539 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5540 vect_analyze_data_refs): Use VEC instead of VARRAY.
5541 * lambda.h (lambda_transform_legal_p): ...from here.
5542 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5543 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5544 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5545 tree-chrec.o): Don't depend on VARRAY_H.
5547 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5549 * rtl.def (Copyright): Update date.
5550 (DEPS_LIST): Change type of the second operand to 'int'.
5551 * target.h (Copyright): Update date.
5552 (struct gcc_target.speculate_insn): Change type of the second parameter
5554 * lists.c (Copyright): Update date.
5555 (alloc_DEPS_LIST): Change signature. Update reference to the second
5556 operand of the DEPS_LIST.
5557 (copy_DEPS_LIST_list): Update reference to the second operand of the
5559 * rtl.h (Copyright): Update date.
5560 (alloc_DEPS_LIST): Update signature.
5561 * sched-int.h (Copyright): Update date.
5562 (ds_t): Change typedef to 'int'.
5563 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5565 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5567 * haifa-sched.c (Copyright): Update date.
5568 (try_ready): Change condition to restore non-speculative pattern
5570 (process_insn_depend_be_in_spec): Code to keep probability of the
5571 speculative dependence non-decreasing.
5573 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5575 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5576 shut up the compiler.
5578 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5580 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5581 to use lib prefix for target.
5582 ($(T)libic_invalidate_array_4-200.a): Likewise.
5583 ($(T)libic_invalidate_array_4a.a): Likewise.
5585 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5586 J"orn Rennecke <joern.rennecke@st.com>
5588 * superh.opt: New file.
5589 * sh.c (boardtype, osruntime): Remove.
5590 * superh.h (SUBTARGET_OPTIONS): Remove.
5591 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5593 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5594 arguments with ^ and/or [].
5596 * config.gcc (sh-*-*): Add quoting to account for quirk of
5598 Replace == with = in enable_incomplete_targets test.
5600 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5601 with MASK_LITTLE_ENDIAN.
5603 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5604 * config/sh/sh.opt: Added to some comments.
5605 * config/sh/superh.h: Removed some chaff.
5607 * config/sh/sh.opt: Add m4-[1234]00* options.
5608 * config/sh/sh.c (sh_handle_option): Likewise.
5609 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5610 (ic_invalidate_array_4-100.o): New rule.
5611 ($(T)libic_invalidate_array_4-100.a): Likewise.
5612 (ic_invalidate_array_4-200.o): Likewise.
5613 ($(T)libic_invalidate_array_4-200.a): Likewise.
5614 (ic_invalidate_array_4a.o): Likewise.
5615 ($(T)libic_invalidate_array_4a.a): Likewise.
5616 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5617 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5619 * config/sh/crt1.asm: Merged in profiling code.
5620 * config/sh/superh.h (STARTFILE_SPEC): Override.
5621 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5622 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5623 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5625 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5626 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5627 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5629 * sh.opt (mpretend-cmove): New option.
5630 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5631 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5632 (movsicc): Add TARGET_PRETEND_CMOVE code.
5634 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5636 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5637 s390_class_max_nregs): New function prototypes.
5638 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5639 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5640 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5641 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5643 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5645 * dwarf2out.c (add_location_or_const_value_attribute): Call
5646 tree_add_const_value_attribute if nothing else works.
5647 (reference_to_unused): New.
5648 (rtl_for_decl_init): Use reference_to_unused to decide whether
5649 to output an initializer.
5651 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5654 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5655 peephole removing spe frob_di_df_2.
5657 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5659 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5660 (subscript_dependence_tester_1): Declared.
5661 (print_dir_vectors, print_dist_vectors): New.
5662 (debug_data_dependence_relation): New.
5663 (dump_data_dependence_relation): Print more details.
5664 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5665 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5666 (save_dist_v, save_dir_v, add_outer_distances,
5667 build_classic_dist_vector_1): New.
5668 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5669 Don't test for lambda_vector_lexico_pos.
5670 (same_access_functions, add_multivariate_self_dist,
5671 add_other_self_distances, dir_from_dist): New.
5672 (build_classic_dir_vector): Replace implementation almost identical to
5673 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5675 (subscript_dependence_tester_1): New.
5676 (subscript_dependence_tester): Handle the lexicographically negative
5677 distance vectors by recomputing the dependence relation.
5678 (compute_affine_dependence): Remove parameter loop_nest_depth.
5679 (compute_self_dependence): Don't call compute_subscript_distance.
5680 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5681 Add a parameter for the loop_nest.
5682 (find_loop_nest_1, find_loop_nest): New.
5683 (compute_data_dependences_for_loop): Compute the loop nest, and give
5684 up if the nest is not well formed.
5685 * tree-data-ref.h (loop_p): New.
5686 (struct data_dependence_relation): Replace size_vect field with
5687 loop_nest, a vec of loops.
5688 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5689 (DDR_LOOP_NEST): New.
5690 (print_dir_vectors, print_dist_vectors,
5691 debug_data_dependence_relation): Declared.
5692 (index_in_loop_nest): New.
5693 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5694 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5697 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5699 * simplify-rtx.c (simplify_relational_operation): Call
5700 simplify_relational_operation_1 even if mode is VOIDmode.
5702 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5704 PR tree-optimization/26804
5705 * tree.h (DECL_CALL_CLOBBERED): New macro.
5706 (tree_decl_common): Add call_clobbered_flag.
5707 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5708 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5709 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5710 (mark_non_addressable): Ditto.
5711 * tree-ssa.c (verify_call_clobbered): New function.
5712 (verify_alias_info): Use it.
5713 * tree-pass.h (pass_reset_cc_flags): New prototype.
5714 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5715 (reset_cc_flags): New function.
5716 * passes.c (init_optimization_passes): Call reset_cc_flags after
5717 initializing referenced_vars.
5719 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5720 Roger Sayle <roger@eyesopen.com>
5723 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5724 to 1.0 for non-real operands. Implement A / A optimization for
5727 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5729 * config/i386/i386.c (size_cost): Correct the comment for
5730 cost of storing fp registers.
5731 (i386_cost): Likewise.
5732 (i486_cost): Likewise.
5733 (pentium_cost): Likewise.
5734 (pentiumpro_cost): Likewise.
5735 (k6_cost): Likewise.
5736 (athlon_cost): Likewise.
5737 (k8_cost): Likewise.
5738 (pentium4_cost): Likewise.
5739 (nocona_cost): Likewise.
5740 (generic64_cost): Likewise.
5741 (generic32_cost): Likewise.
5743 2006-03-24 Denis Chertykov <denisc@overta.ru>
5745 * config/avr/avr-protos.h (extra_constraint): Delete.
5746 (extra_constraint_Q): New declaration.
5747 * config/avr/constraints.md: New file.
5748 * config/avr/avr.md: Include it.
5749 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5750 (TMP_REGNO, ZERO_REGNO): Likewise.
5751 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5752 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5753 (extra_constraint): Delete.
5754 (extra_constraint_Q): Test for memory constraint 'Q'.
5755 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5756 (REG_CLASS_FROM_LETTER): Delete.
5757 (CONST_OK_FOR_LETTER_P): Delete.
5758 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5759 (EXTRA_CONSTRAINT): Delete.
5760 (TMP_REGNO): Delete.
5761 (ZERO_REGNO): Delete.
5763 2006-03-24 Jeff Law <law@redhat.com>
5765 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5766 directly. Call mark_new_vars_to_rename slightly earlier.
5768 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5770 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5772 (gen_compile_unit_die): Use new language types for Objective-C and
5774 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5775 DW_LANG_C_plus_plus.
5778 * config/t-darwin (crt3.o): Work around bug 26840.
5779 * config/darwin-crt3.c: Rewrite.
5780 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5782 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5784 * doc/invoke.texi: Document -femit-class-debug-always
5785 * common.opt: Add -femit-class-debug-always.
5787 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5789 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5790 index and base register.
5791 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5792 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5793 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5794 REGNO_OK_FOR_INDEX_P.
5795 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5797 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5798 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5799 REG_OK_FOR_BASE_P): Definitions removed.
5801 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5804 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5805 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5806 set yet or weren't marked as local yet.
5808 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5810 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5813 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5815 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5816 (rs6000_legitimate_small_data_p): Delete.
5817 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5818 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5819 and make static. Add forward declaration. Update uses.
5820 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5821 of offsettable_memref_p.
5822 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5823 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5825 2006-03-24 Jeff Law <law@redhat.com>
5827 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5828 around bug in immediate-use iterator.
5830 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5833 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5834 or __LITTLE_ENDIAN__.
5836 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5838 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5839 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5840 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5841 * config/sh/sh.opt (mdiv=): Amend description.
5842 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5843 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5844 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5845 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5846 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5847 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5848 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5849 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5850 TARGET_DIVIDE_CALL_FP.
5852 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5854 * haifa-sched.c (choose_ready): Fix type of the local variable.
5855 Move local variables. Add comment.
5856 (check_reg_live): Change signature. Make callable from debugger.
5857 * sched-int.h (check_reg_live): Update signature.
5858 * sched-ebb.c (check_reg_live): Update parameters.
5859 * sched-rgn.c (check_reg_live): Ditto.
5860 (region_head_or_leaf_p): Check pointer before dereferencing.
5861 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5862 before reload on optimization levels below 1.
5864 2006-03-23 Richard Henderson <rth@redhat.com>
5866 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5870 * config/alpha/predicates.md (local_symbolic_operand): Reject
5873 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5876 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5877 expressions which have overflowed constants.
5879 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5881 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5883 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5885 * cfgloopmanip.c (create_loop_notes): Removed.
5886 * final.c (final_scan_insn): Do not handle loop notes.
5887 * jump.c (squeeze_notes): Ditto.
5888 * cfglayout.c (skip_insns_after_block,
5889 duplicate_insn_chain): Ditto.
5890 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5892 * cfgloop.h (create_loop_notes): Declaration removed.
5894 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5896 * varasm.c (output_constant_pool): Restore fnname and fndecl
5898 (assemble_start_function): Adjust call accordingly.
5899 (assemble_end_function): Likewise.
5901 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5904 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5907 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5909 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5912 * system.h (ICE_EXIT_CODE): New macro.
5913 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5914 (diagnostic_action_after_output): Likewise.
5915 * gcc.c (fatal_ice): New function.
5916 (execute): Use it instead of fatal.
5917 (fancy_abort): Likewise.
5918 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5920 2006-03-22 Jeff Law <law@redhat.com>
5922 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5923 iv_analyze_result returning false.
5925 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5927 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5929 2006-03-22 Richard Henderson <rth@redhat.com>
5932 * except.c (duplicate_eh_regions_0): New.
5933 (duplicate_eh_region_1): Duplicate the children of the node as
5934 well as the node itself. Link them up properly.
5935 (duplicate_eh_region_2): Merge into ...
5936 (duplicate_eh_regions): ... here. Take copy_region argument, and
5937 copy only a sub-tree if asked. Simplify copying and fixup.
5938 (eh_region_outer_p): New.
5939 * except.h (duplicate_eh_regions): Update decl.
5940 (eh_region_outer_p): Declare.
5941 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5942 (lower_omp_master): Likewise.
5943 (lower_omp_ordered): Likewise.
5944 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5945 (move_stmt_r): Use it to remap labels. Handle recursion vs
5946 remap_decls_p properly.
5947 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5948 (find_outermost_region_in_block): New.
5949 (new_label_mapper): New.
5950 (move_sese_region_to_fn): Copy eh information to the new function
5952 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5954 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5957 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5959 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5960 into shared libraries.
5962 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5964 * doc/md.texi: Refer to i386/constraints.md instead of
5966 * config/i386/constraints.md: New file, extracted from...
5967 * config/i386/predicates.md: ...here.
5968 * config/i386/i386.md: Include constraints.md.
5970 2006-03-21 Jason Merrill <jason@redhat.com>
5972 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5975 * expr.c (init_block_move_fn): Force default visibility.
5976 (init_block_clear_fn): Likewise.
5977 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5978 * targhooks.c (default_external_stack_protect_fail): Likewise.
5980 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5982 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5983 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5984 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5985 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5986 (loadgp): Use mips_current_loadgp_style.
5987 (loadgp_noshared): New pattern.
5988 (sibcall_internal): Use MIPS_CALL.
5989 (sibcall_value_internal): Likewise.
5990 (sibcall_value_multiple_internal): Likewise.
5991 (call_internal): Likewise.
5992 (call_value_internal): Likewise.
5993 (call_value_multiple_internal): Likewise.
5994 (call_split): Use MIPS_CALL and add an 'S' constraint.
5995 (call_value_split): Likewise.
5996 (call_value_multiple_split): Likewise.
5997 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5998 (-mshared): New option.
5999 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6000 (mips_current_loadgp_style): Declare.
6001 * config/mips/mips.c (mips_classify_symbol): Avoid using
6002 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6003 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6004 TARGET_ABSOLUTE_ABICALLS.
6005 (override_options): Adjust comments. Improve the warning that is
6006 issued when -mabicalls and -G are used together.
6007 (mips_file_start): Remove comment.
6008 (mips_current_loadgp_style): New function.
6009 (mips_gnu_local_gp): New variable.
6010 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6012 (mips_output_function_prologue): Use mips_current_laodgp_style.
6013 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6014 the cprestore instruction.
6015 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6016 live for TARGET_ABSOLUTE_ABICALLS.
6017 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6018 (ASM_SPEC): Pass down -mshared and -mno-shared.
6019 (MIPS_CALL): New macro.
6020 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6022 * doc/invoke.texi (-mabicalls): Update documentation.
6023 (-mshared): Document.
6025 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6027 * config/ia64/unwind-hpux.c: New file.
6028 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6030 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6033 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6035 2006-03-21 Jeff Law <law@redhat.com>
6037 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6038 type conversions of a VR_VARYING source to a wider type.
6040 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6042 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6043 tm_file on Solaris 10 and later.
6044 (sparc64-*-solaris2*): Likewise.
6045 (sparc-*-solaris2*): Likewise.
6046 * config/sol26.h: Rename to config/sol2-6.h.
6047 * config/sol2-10.h: New file.
6049 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6052 * tree-ssa-pre.c (create_component_ref_by_pieces):
6055 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6058 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6059 return it immediately.
6061 2006-03-21 Michael Matz <matz@suse.de>
6063 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6065 (remove_arc, add_arc): Update num_out_arcs member.
6066 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6068 (cache_presence): New function.
6069 (compare_states_for_equiv): New function.
6070 (state_is_differed): Don't take number of outargs, adjust callers.
6071 Use new invariant for speeding up.
6072 (init_equiv_class): Create initial classes based on sorted
6074 (partition_equiv_class): Don't track out_arcs_num.
6075 (evaluate_equiv_classes): Call cache_presence on all states and
6078 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6080 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6081 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6082 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6083 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6085 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6086 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6087 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6088 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6089 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6091 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6092 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6093 (REGNO_REG_CLASS): ARGP is in PREGS.
6094 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6096 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6097 to deal with those addresses.
6098 * addresses.h: New file.
6099 * caller-save.c: Include "addresses.h".
6100 (init_caller_save): Use new base_reg_class function.
6101 * rtl-factoring.c: Include "addresses.h".
6102 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6103 * recog.c: Include "addresses.h".
6104 (preprocess_constraints): Use new base_reg_class function.
6105 * regrename.c: Include "addresses.h".
6106 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6107 functions. Keep track of a new var INDEX_CODE to compute valid
6109 (replace_oldest_value_addr): Likewise.
6110 (replace_oldest_value_mem): Use base_reg_class.
6111 * reload.c: Include "addresses.h".
6112 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6113 (find_reloads): Use new base_reg_class function.
6114 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6115 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6116 all callers and prototype changed.
6117 * reload1.c: Include "addresses.h".
6118 (maybe_fix_stack_asms): Use base_reg_class.
6119 * regclass.c: Include "addresses.h".
6120 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6121 (init_reg_autoinc): Use new base_reg_class function.
6122 (record_reg_classes): Likewise.
6123 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6124 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6125 Use new args to compute necessary class.
6127 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6128 regrename.o, rtl-factoring.o): Update dependencies.
6129 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6130 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6131 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6132 REG_OK_FOR_INDEX_P): Delete documentation.
6134 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6136 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6137 from V7 to V9 for Solaris 7 and above.
6139 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6141 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6142 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6143 argument pointers may not alias any other storage.
6144 * common.opt: Define option -fargument-noalias-anything.
6145 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6146 alias semantics is specified by flag_argument_noalias > 2.
6148 2006-03-20 Jeff Law <law@redhat.com>
6150 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6151 (pass_phi_only_cprop): Declare.
6152 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6154 * tree-ssa-dom.c (degenerate_phi_result): New function.
6155 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6156 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6157 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6158 (eliminate_degenerate_phis): Likewise.
6159 (pass_phi_only_cprop): New pass descriptor.
6160 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6161 support code. Callers updated.
6162 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6163 (store_copy_prop): Likewise.
6164 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6166 2006-03-20 Jason Merrill <jason@redhat.com>
6169 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6170 (push_visibility, pop_visibility): Likewise.
6171 * c-pragma.h: Declare them.
6173 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6175 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6177 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6178 parameter and use get_ebb_head_tail.
6179 (sh_md_init_global): Adjust uses of find_regmode_weight.
6181 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6183 * function.h (struct function) <x_tail_recursion_reentry>:
6184 Rename to x_stack_check_probe_note.
6185 (tail_recursion_reentry): Rename to stack_check_probe_note.
6186 * function.c: Replace tail_recursion_reentry with
6187 stack_check_probe_note everywhere.
6188 (expand_function_start): Only emit a note for
6189 stack_check_probe_note with -fstack-protect.
6190 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6192 * emit-rtl.c (remove_unnecessary_notes): Remove.
6193 (pass_remove_unnecessary_notes): Remove.
6194 * rtl.h (remove_unnecessary_notes): Remove prototype.
6195 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6196 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6197 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6199 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6202 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6203 (valid_in_set): Handle ARRAY_REF.
6204 Change "if min_variant or VH" to asserts.
6205 (create_component_ref_by_pieces): Handle ARRAY_REF.
6206 (create_expression_by_pieces): Likewise.
6207 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6209 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6211 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6212 is operand of switch, not str[0].
6214 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6216 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6217 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6219 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6221 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6222 end of insn_extra_address_constraint declaration.
6224 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6226 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6227 (no-sum-in-toc): Same.
6228 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6230 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6231 NO_FP_IN_TOC for -fPIC instead of mask.
6233 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6234 (BOOT_LDFLAGS): Delete.
6236 * config/rs6000/t-aix52: Same.
6238 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6239 (stmsi[345678]_power): New.
6241 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6243 * config/ia64/ia64.opt: Add empty line to end of file.
6245 2006-03-17 Richard Guenther <rguenther@suse.de>
6248 * builtins.c (get_pointer_alignment): For component style references
6249 adjust alignment to the component type alignment. Make sure
6250 to adjust alignment for component access of constants.
6252 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6254 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6257 2006-03-17 Paul Brook <paul@codesourcery.com>
6259 * doc/install.texi: Docuemnt --with-mode.
6260 * config.gcc: Add --with-mode for arm*-*-*.
6261 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6263 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6265 * sh.c (max_labelno_before_reorg): New variable.
6266 (sh_reorg): Initialize it.
6267 (find_barrier): Check max_labelno_before_reorg before using
6268 label_to_alignment. Take length of explicit alignment insns
6269 into account. When seeing a UNSPECV_CONST_END, return it.
6271 * sh.c (fixup_mova): Set mode of affected label to QImode.
6272 (untangle_mova): New function.
6273 (find_barrier): Use it. Check mode of label before decrementing
6275 (sh_reorg): Likewise.
6276 Set mode of all insns back to VOIDmode.
6278 * sh.c (MOVA_LABELREF): New macro.
6279 (mova_p, fixup_mova, sh_reorg): Use it.
6280 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6281 ADDR_DIFF_VEC matches mova.
6283 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6285 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6286 with ATTRIBUTE_UNUSED.
6288 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6290 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6291 pointer, instead of assuming it is possible to derive the
6292 correct args size from a call insn.
6294 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6296 * rtl.h (CONST_INT_P): Define.
6297 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6298 instead of GET_CODE(x) == CONST_INT.
6299 (vax_rtx_costs): Likewise.
6300 (vax_output_int_move): Likewise.
6301 (vax_output_int_add): Likewise.
6302 (legitimate_constant_address_p): Likewise.
6303 (index_term_p): Likewise.
6304 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6305 * config/vax/vax.md (and<mode>3): Likewise.
6306 (ashrsi3): Likewise.
6308 (movstricthi): Likewise.
6309 (movstrictqi): Likewise.
6310 (rotrsi3): Likewise.
6311 (five unnamed insns): Likewise.
6313 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6315 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6316 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6317 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6318 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6319 Pass to ASM_OUTPUT_DWARF_OFFSET.
6320 * dwarf2out.c (debug_frame_section): New.
6321 (output_call_frame_info): Use debug_frame_section. Pass it to
6322 dw2_asm_output_offset.
6323 (output_die): Pass appropriate section to dw2_asm_output_offset.
6324 (output_compilation_unit_header): Likewise.
6325 (output_pubnames): Likewise.
6326 (output_aranges): Likewise.
6327 (enum dw_val_class): Break dw_val_class_lbl_offset into
6328 dw_val_class_lineptr and dw_val_class_macptr.
6329 (add_AT_lbl_offset): Delete.
6330 (add_AT_lineptr): New.
6331 (add_AT_macptr): New.
6332 (AT_lbl): Expect a lineptr or macptr.
6333 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6334 (attr_checksum): Likewise.
6335 (same_dw_val_p): Likewise.
6336 (size_of_die): Likewise.
6337 (value_format): Likewise.
6338 (output_die): Likewise.
6339 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6341 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6342 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6343 * config/darwin-protos.h (darwin_file_start): New.
6344 (darwin_asm_output_dwarf_offset): New.
6345 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6346 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6348 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6349 if not EH section; simplify.
6350 (darwin_file_start): New.
6351 (darwin_asm_output_dwarf_offset): New.
6352 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6354 (DEBUG_INFO_SECTION): Likewise.
6355 (DEBUG_ABBREV_SECTION): Likewise.
6356 (DEBUG_ARANGES_SECTION): Likewise.
6357 (DEBUG_MACINFO_SECTION): Likewise.
6358 (DEBUG_LINE_SECTION): Likewise.
6359 (DEBUG_LOC_SECTION): Likewise.
6360 (DEBUG_PUBNAMES_SECTION): Likewise.
6361 (DEBUG_STR_SECTION): Likewise.
6362 (DEBUG_RANGES_SECTION): Likewise.
6363 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6364 (ASM_OUTPUT_DWARF_OFFSET): New.
6366 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6368 * config.gcc (tm_defines): Always add to previous value rather
6371 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6373 * config/mips/predicates.md (splittable_const_int_operand): New,
6374 split from move_operand.
6375 (splittable_symbolic_operand): New.
6376 (move_operand): Add commentary. Use splittable_const_int_operand.
6377 Inline mips_atomic_symbolic_constant_p.
6378 * config/mips/mips.md: Add combine splitters for handling moves
6379 of splittable_const_int_operands and splittable_symbolic_operands.
6380 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6381 (mips_split_symbol): Declare.
6382 (mips_move_integer): Declare.
6383 * config/mips/mips.c (mips_split_p): Make global.
6384 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6385 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6386 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6387 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6388 (mips_offset_within_object_p): Handle block symbols.
6389 (mips_atomic_symbolic_constant_p): Delete.
6390 (mips_cannot_force_const_mem): Return false for constants that
6391 mips_legitimize_move can handle.
6392 (mips_use_blocks_for_constant_p): New function.
6393 (mips_split_symbol): Make global.
6394 (mips_move_integer): Likewise. Add a temporary register argument.
6395 (mips_legitimize_const_move): Use splittable_const_int_operand and
6396 splittable_symbolic_operand.
6397 (mips_use_anchors_for_symbol_p): New function.
6398 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6399 (mips_split_p): Declare.
6401 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6403 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6404 (mips*-*-linux*): Likewise.
6406 2006-03-16 Roger Sayle <roger@eyesopen.com>
6407 Daniel Speyer <dspeyer@wam.umd.edu>
6410 * tree-dump.c (dump_real): New function.
6411 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6412 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6413 (tree-dump.o): Add $(REAL_H) to the dependencies.
6415 2006-03-16 Roger Sayle <roger@eyesopen.com>
6418 * real.c (real_from_string): If the mantissa is zero, don't bother
6419 parsing the exponent as the result should always be zero.
6421 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6423 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6425 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6427 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6428 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6429 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6430 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6431 ia64_sched_finish_global): New static functions to implement
6432 hooks from gcc_target.sched.
6433 (spec_check_no, max_uid, pending_data_specs): New static variables.
6434 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6435 ia64_spec_check_src_p): New static functions.
6436 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6437 (TARGET_SCHED_ADJUST_COST): Removed.
6438 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6439 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6440 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6441 TARGET_SCHED_GEN_CHECK,
6442 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6443 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6444 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6445 Fixed to handle speculation checks.
6446 (rtx_needs_barrier): Fixed to handle speculative loads and
6448 (ia64_variable_issue): Added code to count speculative loads and their
6450 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6452 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6454 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6456 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6457 (ia64_reorg): Reset stops_p to NULL after it is freed.
6458 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6459 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6460 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6462 (data_speculative, control_speculative, check_load): New attributes.
6463 (mov<mode>_advanced, mov<mode>_speculative,
6464 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6465 zero_extend<mode>di2_speculative,
6466 zero_extend<mode>di2_speculative_advanced): New patterns for
6467 data and control speculative loads.
6468 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6470 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6471 New pattern for data and control speculation checks.
6472 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6473 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6474 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6475 Auxiliary definitions for the patterns.
6476 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6477 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6479 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6481 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6482 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6483 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6484 New resource constraints.
6485 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6487 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6488 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6489 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6490 msched-in-control-spec, msched-ldc, msched-control-ldc,
6491 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6492 msched-prefer-non-control-spec-insns,
6493 msched-count-spec-in-critical-path): New flags to tune speculative
6495 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6496 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6497 msched-in-control-spec, msched-ldc, msched-control-ldc,
6498 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6499 msched-prefer-non-control-spec-insns,
6500 msched-count-spec-in-critical-path): Document new flags.
6502 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6504 * target.h (struct spec_info_def): New opaque declaration.
6505 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6506 speculate_insn, needs_block_p, gen_check,
6507 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6508 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6509 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6510 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6511 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6512 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6514 (TARGET_SCHED): Use new macros.
6515 * rtl.h (copy_DEPS_LIST_list): New prototype.
6516 * sched-int.h (struct sched_info): Change signature of new_ready field,
6517 adjust all initializations. New fields: add_remove_insn,
6518 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6519 region_head_or_leaf_p.
6520 (struct spec_info_def): New structure declaration.
6521 (spec_info_t): New typedef.
6522 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6523 recovery_block, orig_pat.
6524 (glat_start, glat_end): New variables declaraions.
6525 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6527 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6528 DETACH_LIFE_INFO, USE_GLAT.
6529 (enum SPEC_SCHED_FLAGS): New enumeration.
6530 (NOTE_NOTE_BB_P): New macro.
6531 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6532 attach_life_info, debug_spec_status, check_reg_live): New functions.
6533 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6534 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6536 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6537 * ddg.c (get_block_head_tail): Adjust all uses.
6538 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6539 (sms_sched_info): Initialize new fields.
6540 (contributes_to_priority): Removed.
6541 * haifa-sched.c (params.h): New include.
6542 (get_block_head_tail): Adjust all uses.
6543 (ISSUE_POINTS): New macro.
6544 (glat_start, glat_end): New global variables.
6545 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6546 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6547 old_last_basic_block, before_recovery, current_sched_info_var,
6548 rgn_n_insns, luid): New static variables.
6549 (insn_cost1): New function. Move logic from insn_cost to here.
6550 (find_insn_reg_weight1): New function. Move logic from
6551 find_insn_reg_weight to here.
6552 (reemit_notes, move_insn, max_issue): Change signature.
6553 (move_insn1): Removed.
6554 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6555 extend_bb): New static functions to support extension of scheduler's
6557 (generate_recovery_code, process_insn_depend_be_in_spec,
6558 begin_speculative_block, add_to_speculative_block,
6559 init_before_recovery, create_recovery_block, create_check_block_twin,
6560 fix_recovery_deps): New static functions to support
6561 generation of recovery code.
6562 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6563 restore_bb_notes, move_block_after_check, move_succs): New static
6564 functions to support ebb scheduling.
6565 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6566 functions to support handling of register live information.
6567 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6568 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6569 add_jump_dependencies): New static functions.
6570 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6571 consistancy checking.
6572 (debug_spec_status): New function to call from debugger.
6573 (priority): Added code to handle speculation checks.
6574 (rank_for_schedule): Added code to distinguish speculative instructions.
6575 (schedule_insn): Added code to handle speculation checks.
6576 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6577 Fixed to handle ebbs.
6578 (move_insn): Added code to handle ebb scheduling.
6579 (max_issue): Added code to use ISSUE_POINTS of instructions.
6580 (choose_ready): Added code to choose between speculative and
6581 non-speculative instructions.
6582 (schedule_block): Added code to handle ebb scheduling and scheduling of
6583 speculative instructions.
6584 (sched_init): Initialize new variables.
6585 (sched_finish): Free new variables. Print statistics.
6586 (try_ready): Added code to handle speculative instructions.
6587 * lists.c (copy_DEPS_LIST_list): New function.
6588 * sched-deps.c (extend_dependency_caches): New function. Move logic
6589 from create_dependency_caches to here.
6590 (get_dep_weak, ds_merge): Make global.
6591 * genattr.c (main): Code to output prototype for
6592 dfa_clear_single_insn_cache.
6593 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6594 (output_dfa_clean_insn_cache_func): Code to output
6595 dfa_clear_single_insn_cache function.
6596 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6598 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6600 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6601 New static variables.
6602 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6603 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6605 (ebb_sched_info): Initialize new fields.
6606 (get_block_head_tail): Adjust all uses.
6607 (compute_jump_reg_dependencies): Fixed to use glat_start.
6608 (schedule_ebb): Code to remove unreachable last block.
6609 (schedule_ebbs): Added code to update register live information.
6610 * sched-rgn.c (region_sched_info): Initialize new fields.
6611 (get_block_head_tail): Adjust all uses.
6612 (last_was_jump): Removed. Adjust users.
6613 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6614 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6615 Implement new hooks.
6616 (check_dead_notes1): New static function.
6617 (struct region): New fields: dont_calc_deps, has_real_ebb.
6618 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6619 (BB_TO_BLOCK): Fixed to handle EBBs.
6620 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6621 (ebb_head): New static variable.
6622 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6623 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6625 (compute_dom_prob_ps): New assertion.
6626 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6627 global_live_at_start.
6628 (init_ready_list): New assertions.
6629 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6630 (new_ready): Add support for BEGIN_CONTROL speculation.
6631 (schedule_insns): Fixed code that updates register live information
6633 (schedule_region): Fixed to handle EBBs.
6634 (init_regions): Use extend_regions and check_dead_notes1.
6635 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6636 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6637 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6638 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6639 TARGET_SCHED_GEN_CHECK,
6640 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6641 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6642 * doc/invoke.texi (max-sched-insn-conflict-delay,
6643 sched-spec-prob-cutoff): Document.
6645 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6647 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6648 inter_tick, queue_index.
6649 (struct sched_info): Change signature of init_ready_list field.
6650 Adjust all initializations.
6651 (RESOLVED_DEPS): New access macro.
6652 (ready_add): Remove prototype.
6653 (try_ready): Add prototype.
6654 * sched-rgn.c (init_ready_list): Use try_ready.
6655 (schedule_region): Initialize
6656 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6657 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6658 (init_ready_list): Use try_ready.
6659 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6660 * lists.c (remove_list_elem): Remove `static'.
6661 (remove_free_INSN_LIST_elem): New function.
6662 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6663 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6664 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6666 (readyp): New variable.
6667 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6668 change_queue_index, resolve_dep): New static functions.
6669 (try_ready): New function. Adjust callers in sched-rgn.c and
6670 sched-ebb.c to use it instead of ready_add.
6671 (clock_var): Move at the begining of file.
6672 (rank_for_schedule): Fix typo.
6673 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6674 (ready_lastpos): Enforce assertion.
6675 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6677 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6678 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6679 (queue_to_ready): Use free_INSN_LIST_list.
6680 (early_queue_to_ready): Fix typo.
6681 (schedule_block): Init readyp. Move init_ready_list call after the
6682 initialization of clock_var. Fix error in rejecting insn by
6683 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6684 that previously corrected INSN_TICKs. Add code for handling
6686 (set_priorities): Fix typo.
6687 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6688 Clarify comment and code that keeps current_sched_info->next_tail
6691 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6693 * sched-rgn.c (extend_rgns): New static function.
6694 (find_rgns): Use it.
6695 (gather_region_statistics, print_region_statistics): New static
6697 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6698 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6700 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6701 Andrey Belevantsev <abel@ispras.ru>
6703 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6704 * lists.c (unused_deps_list): New variable.
6705 (free_list): Add assertions to verify the proper distinguishing
6706 between INSN_LISTs and DEPS_LISTs.
6707 (find_list_elem, remove_list_elem, remove_list_node): New static
6709 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6710 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6711 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6712 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6714 (free_INSN_LIST_node): Likewise.
6715 * modulo-sched.c (current_sched_info): Initialize flags field.
6716 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6717 * rtl.def (DEPS_LIST): Define.
6718 * rtl.h: Declare new functions from lists.c.
6719 * sched-deps.c (spec_dependency_cache): New static variable.
6720 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6721 (add_dependence): Change return type to void. Move the logic to ...
6722 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6723 (delete_all_dependences): Add comment about forward_dependency_cache.
6724 Handle spec_dependency_cache. Handle DEPS_LISTs.
6725 (fixup_sched_groups): Clarify the change of priority of output
6726 and anti dependencies.
6727 (sched_analyze_2): Adjust add_dependence calls to create data
6728 speculative dependence.
6729 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6730 Adjust all callers. Handle DEPS_LISTS.
6731 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6732 presence of speculation.
6733 (init_dependency_caches, free_dependency_caches):
6734 Handle spec_dependency_cache.
6735 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6736 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6737 New static functions.
6738 (add_or_update_back_dep, add_or_update_back_forw_dep,
6739 add_back_forw_dep, delete_back_forw_dep): New functions.
6740 * sched-int.h (ds_t, dw_t): New typedefs.
6741 (struct sched_info): Add new field flags.
6742 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6743 Prototype new sched-deps.c functions.
6744 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6745 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6746 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6747 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6748 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6749 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6751 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6753 * sched-rgn.c (current_sched_info): Initialize flags field.
6754 (schedule_insns): Initialize current_sched_info before the sched_init
6756 * sched-ebb.c (current_sched_info): Initialize flags field.
6757 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6758 Call add_or_update_back_dep instead of add_dependence.
6759 Create control speculative dependencies.
6760 (schedule_insns): Initialize current_sched_info before the sched_init
6763 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6765 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6767 (sh_fallback_frame_state): Likewise.
6769 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6771 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6772 Do switch on default_use_cxa_atexit.
6773 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6774 * config/darwin-crt3.o: New.
6775 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6776 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6777 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6779 * config/rs6000/t-darwin: Move crt2.o building to here.
6780 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6781 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6784 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6786 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6787 from '! xxx' to '!xxx' for coding-style conformance.
6788 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6789 (EXTRA_CONSTRAINT): Likewise.
6790 * config/vax/vax.md (four unnamed insns): Likewise.
6792 2006-03-15 Paul Brook <paul@codesourcery.com>
6794 * config/arm/arm.c (minipool_pad): New.
6795 (add_minipool_forward_ref): Include pool alignment padding in address
6797 (push_minipool_fix): Set minipool_pad.
6798 (minipool_pad): Ditto.
6800 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6802 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6803 instead of GET_CODE() == MEM and REG_P() instead of
6805 (print_operand_address): Likewise.
6806 (vax_address_cost): Likewise.
6807 (vax_rtx_costs): Likewise.
6808 (vax_notice_update_cc): Likewise.
6809 (vax_output_int_add): Likewise.
6810 (INDEX_REGISTER_P): Likewise.
6811 (BASE_REGISTER_P): Likewise.
6812 (nonindexed_address_p): Likewise.
6813 (vax_mode_dependent_address_p): Likewise.
6814 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6815 (PRINT_OPERAND): Likewise.
6816 * config/vax/vax.md (ashlsi3): Likewise.
6817 (ashlsi3): Likewise.
6818 (some more unnamed insns): Likewise.
6820 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6822 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6823 iterator-style macro.
6824 (mark_control_dependent_edges_necessary): Update the use of
6825 EXECUTE_IF_CONTROL_DEPENDENT.
6827 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6829 * config/sh/predicates.md (cache_address_operand): Special.
6830 (ua_address_operand): Likewise.
6832 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6834 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6836 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6838 2006-03-15 Andreas Schwab <schwab@suse.de>
6840 * gensupport.c (identify_predicable_attribute): Don't free p_false
6841 when it is still in use.
6843 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6845 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6846 the default setting here.
6848 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6850 * tree-pass.h (pass_cfg): Remove.
6851 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6852 * passes.c (pass_cfg): Don't run it.
6854 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6856 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6857 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6859 (stack_regs_mentioned): Update the uses of
6860 stack_regs_mentioned_data. Don't access the array beyond its
6862 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6863 Don't include gt-reg-stack.h.
6865 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6866 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6868 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6871 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6874 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6876 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6878 2006-03-14 Richard Guenther <rguenther@suse.de>
6880 PR tree-optimization/26672
6881 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6884 2006-03-14 Richard Guenther <rguenther@suse.de>
6886 PR tree-optimization/26667
6887 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6888 node for the callees. Always allow inlining if it will shrink
6891 2006-03-14 Richard Guenther <rguenther@suse.de>
6894 * builtins.c (get_pointer_alignment): Prefer alignment
6895 information from decls over that from types.
6897 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6900 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6902 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6904 * config/rs6000/rs6000.opt (mdlmzb): New option.
6905 (msched-prolog, msched-epilog): Use Var not Mask.
6906 * doc/invoke.texi (-mdlmzb): Document.
6907 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6909 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6910 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6912 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6914 PR rtl-optimization/25739
6915 * bt-load.c (augment_live_range): Free tos pointer.
6917 * gensupport.c (identify_predicable_attribute): Free
6919 * gcov.c (create_file_names): Free name pointer.
6921 2006-03-13 Roger Sayle <roger@eyesopen.com>
6924 * stmt.c (emit_case_nodes): Handle the case where the index is a
6925 CONST_INT, where the comparison mode is specified by the index type.
6927 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6929 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6932 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6934 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6935 (*branch_fp_inverted): Likewise.
6937 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6940 * omp-low.c (expand_omp_for_generic): Mark istart0
6941 and iend0 as addressable.
6943 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6945 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6947 2006-03-13 Jeff Law <law@redhat.com>
6949 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6950 virtual operands are interesting.
6951 (vrp_visit_stmt): Corresponding changes.
6953 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6955 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6957 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6958 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6959 * config/bfin/crti.S: Use it instead of __PIC__.
6960 * config/bfin/crtn.S: Likewise.
6962 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6963 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6965 Lose 'G' modifier for call operand.
6966 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6967 recognize 'G' modifier.
6969 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6972 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6973 * stmt.c (expand_case): Likewise.
6975 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6977 PR rtl-optimization/26254
6978 * loop-invariant.c (seq_insns_valid_p): New function.
6979 (move_invariant_reg): Only emit new code if it is valid.
6981 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6983 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6985 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6986 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6987 (commit_one_edge_insertion): Do not look for loop notes.
6989 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6991 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6992 flag_test_coverage out of loop.
6994 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6996 * final.c (shorten_branches): Remove outdated comment, and turn
6997 the if branch that guards it to continue.
6999 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7001 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7002 * cfgloop.h (struct loop): Remove unused fields.
7004 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7006 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7007 (-dL, -fdump-rtl-loop2): Update the dump file names
7009 * doc/invoke.texi: Update dump file names.
7011 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7013 * predict.c (estimate_probability): Remove.
7014 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7015 * basic-block.h (estimate_probability): Remove prototype.
7016 * passes.c (finish_optimization_passes): Dump branch prediction or
7017 profiling heuristics to the .profile tree dump.
7018 (init_optimization_passes): Unqueue pass_branch_prob.
7020 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7022 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7024 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7025 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7027 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7029 * function.h (frame_offset_overflow): Declare.
7030 * function.c (frame_offset_overflow): New function.
7031 (assign_stack_local_1): Call it to detect that the offset overflows.
7032 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7034 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7036 * config/sh/sh.c: Include alloc-pool.h.
7037 (label_ref_list_pool): New alloc pool.
7038 (label_ref_list_t): New type for lists of labels.
7039 (struct pool_node): Make wend a label_ref_list_t.
7040 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7042 (dump_table): Likewise.
7043 (sh_reorg): Set up the alloc pool before using add_constant and
7044 dump_table, and destroy it when finishing.
7046 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7048 * config/mips/mips.c: Remove redundant comment.
7050 2006-03-10 Jason Merrill <jason@redhat.com>
7053 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7054 the target was declared 'register'.
7056 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7058 * genpreds.c (write_insn_constraint_len): Change definition of
7059 insn_constraint_len to return size_t to match the declaration.
7061 2006-03-10 DJ Delorie <dj@redhat.com>
7063 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7065 (m32c_expand_insv): Fix test for an AND mask.
7067 2006-03-10 Richard Guenther <rguenther@suse.de>
7070 * builtins.c (get_pointer_alignment): Handle component
7071 references for field alignment.
7073 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7075 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7076 when building with libgloss.
7077 (sh*elf): Implement --without-fp option.
7078 (sh64-superh-linux*): Don't multilib.
7080 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7082 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7084 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7086 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7087 Set it when one of the replacement functions returned true.
7088 Return TODO_cleanup_cfg if cfgchanged is true.
7089 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7091 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7093 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7094 instead of gen_lowpart.
7096 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7098 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7100 (mips_output_order_conditional_branch): Declare.
7101 * config/mips/mips.h (MIPS_BRANCH): New macro.
7102 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7103 for the comparison. Use gen_condjump.
7104 (mips_output_conditional_branch): Rework interface to take the
7105 asm templates for a direct branch and the inverse of a direct branch.
7106 (mips_output_order_conditional_branch): New function.
7107 (mips_builtin_branch_and_move): New function.
7108 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7109 branch condition. Use gen_single_cc as the condition for
7110 __builtin_mips_upper_* or __builtin_mips_lower_*.
7111 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7112 Use VOIDmode for the branch condition.
7113 * config/mips/predicates.md (order_operator): New predicate.
7114 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7115 (branch_fp): Rename to...
7116 (*branch_fp): ...this. Remove mode from comparison operator.
7117 Use new mips_output_conditional_branch interface.
7118 (branch_fp_inverted): Rename to...
7119 (*branch_fp_inverted): ...this and update as for *branch_fp.
7120 (*branch_zero<mode>): Rename to...
7121 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7122 Use mips_output_order_conditional_branch. Only accept ordered
7124 (*branch_zero<mode>_inverted): Rename to...
7125 (*branch_order<mode>_inverted): ...this and update as for
7126 *branch_order<mode>.
7127 (*branch_equality<mode>): Accept zero as the second operand to
7128 the equality operator. Use the new mips_output_conditional_branch
7130 (*branch_equality<mode>_inverted): Likewise.
7131 (condjump): New expander.
7132 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7134 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7135 (bc1any2t, bc1any2f): Likewise.
7136 (single_cc): New expander.
7137 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7139 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7141 * doc/md.texi: Update documentation of MIPS constraints.
7142 * config/mips/constraints.md: New file.
7143 * config/mips/mips.md: Include it.
7144 * config/mips/mips.c (mips_char_to_class): Delete.
7145 (override_options): Don't initialize mips_char_to_class.
7146 * config/mips/mips.h (mips_char_to_class): Delete.
7147 (REG_CLASS_FROM_LETTER): Delete.
7148 (CONST_OK_FOR_LETTER_P): Delete.
7149 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7150 (EXTRA_CONSTRAINT_Y): Delete.
7151 (EXTRA_CONSTRAINT_STR): Delete.
7152 (CONSTRAINT_LEN): Delete.
7153 (EXTRA_MEMORY_CONSTRAINT): Delete.
7155 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7157 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7158 original fn's eh regions.
7160 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7162 * fold-const.c (build_range_check): Make sure to use a valid type to
7163 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7166 (range_predecessor): New static function.
7167 (range_successor): Likewise.
7168 (merge_ranges): Use them to compute predecessors and successors of
7171 2006-03-09 Roger Sayle <roger@eyesopen.com>
7174 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7175 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7177 2006-03-08 DJ Delorie <dj@redhat.com>
7179 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7180 (addpsi3): Expand to include memory operands. Remove
7181 reload-specific splits.
7182 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7183 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7184 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7185 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7186 (shift1_qi, shift1_hi, insv): New.
7187 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7188 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7189 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7191 * config/m32c/m32c-protos.h: Update as needed.
7192 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7193 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7194 Fail for unrecognized R* constraints.
7195 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7196 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7197 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7199 (m32c_init_libfuncs): New.
7200 (m32c_legitimate_address_p): Add debug wrapper.
7201 (m32c_rtx_costs): New.
7202 (m32c_address_cost): New.
7203 (conversions): Add 'B' prefix.
7204 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7205 operands, or word regnames for QI operands. 'B' prints bit
7207 (m32c_expand_setmemhi): New.
7208 (m32c_expand_movmemhi): New.
7209 (m32c_expand_movstr): New.
7210 (m32c_expand_cmpstr): New.
7211 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7212 (m32c_expand_neg_mulpsi3): Handle non-ints.
7213 (m32c_cmp_flg_0): New.
7214 (m32c_expand_movcc): New.
7215 (m32c_expand_insv): New.
7216 (m32c_scc_pattern): New.
7217 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7218 a0/a1 out of SIregs.
7219 (STORE_FLAG_VALUE): New.
7220 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7223 * config/m32c/mov.md: Make constraints more liberal.
7224 (zero_extendqihi2): Optimize r0/r1 case.
7225 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7226 * config/m32c/predicates.md (m32c_any_operand): New.
7227 (m32c_nonimmediate_operand): New.
7228 (m32c_hl_operand): New.
7229 (m32c_r3_operand): New.
7232 (memsym_operand): New.
7233 (memimmed_operand): New.
7234 (a_qi_operand): New.
7235 (m32c_eqne_operator): New.
7236 (m32c_1bit8_operand): New.
7237 (m32c_1bit16_operand): New.
7238 (m32c_1mask8_operand): New.
7239 (m32c_1mask16_operand): New.
7240 * config/m32c/blkmov.md: New file.
7241 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7243 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7245 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7246 unsigned to fix signed/unsigned comparison issue in
7247 DWARF2_FRAME_REG_OUT.
7248 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7249 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7251 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7252 of ptr into the ENABLE_CHECKING section.
7254 2006-03-08 Jeff Law <law@redhat.com>
7256 * tree-vrp.c (infer_value_range): Only count pointer uses
7257 and dereferences if -fdelete-null-pointer-checks is enabled.
7259 * tree-vrp.c (find_assert_locations): Infer value ranges for
7260 single use pointers, but do not create ASSERT_EXPRs for them.
7261 When a non-null range is inferred for a pointer, backwards
7262 propagate that range to other equivalent pointers through the
7265 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7268 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7269 language hook targets.
7270 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7271 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7272 if language hook targets were missing.
7274 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7276 * tree-ssa-opfinalize.h: Removed.
7277 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7279 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7280 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7281 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7282 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7283 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7284 finalize_ssa_v_must_def_ops): New.
7286 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7288 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7291 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7293 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7295 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7296 addresses with offsets; reorganize.
7298 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7299 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7300 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7302 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7305 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7307 2006-03-08 Ben Elliston <bje@au.ibm.com>
7309 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7311 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7314 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7317 2006-03-07 Richard Guenther <rguenther@suse.de>
7319 PR tree-optimization/26587
7320 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7322 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7324 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7326 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7328 * hooks.c (hook_bool_mode_rtx_true): New function.
7329 * hooks.h (hook_bool_mode_rtx_true): Declare.
7330 * toplev.c (compile_file): Call output_shared_constant_pool.
7331 * varasm.c (shared_constant_pool): New variable.
7332 (assemble_start_function, assemble_end_function): Remove arguments
7333 from call to output_constant_pool.
7334 (create_constant_pool): New function, split out from...
7335 (init_varasm_status): ...here.
7336 (force_const_mem): Choose between the shared and per-function constant
7337 pools. Set current_function_uses_const_pool when reusing old entries
7338 as well as when creating new ones.
7339 (mark_constant): Ignore data argument.
7340 (mark_constants): Remove pool argument.
7341 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7342 to decide whether the function uses a constant pool.
7343 (output_constant_pool_contents): New function, split out from...
7344 (output_constant_pool): ...here.
7345 (output_shared_constant_pool): New function.
7346 (init_varasm_once): Initialize shared_constant_pool.
7347 * output.h (output_constant_pool): Delete.
7348 (output_shared_constant_pool): Declare.
7349 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7350 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7352 2006-03-06 Nick Clifton <nickc@redhat.com>
7354 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7355 flag_strength_reduce.
7357 2006-03-06 Ben Elliston <bje@au.ibm.com>
7359 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7360 x86_64-*-linux* configurations.
7362 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7363 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7365 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7367 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7369 * basic-block.h: Remove the extern for
7370 rediscover_loops_after_threading.
7372 * cfgloop.c (cancel_loop): Make it static.
7373 * cfgloop.h: Remove the prototype for cancel_loop.
7375 * flow.c (recompute_reg_usage): Make it static.
7376 * rtl.h: Remove the prototype for recompute_reg_usage.
7378 * function.c (use_return_register): Make it static.
7379 * function.h: Remove the prototype.
7381 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7383 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7385 * recog.h: Remove the prototype for
7386 validate_change_maybe_volatile.
7388 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7390 * rtlanal.c (replace_reg): Remove.
7391 * rtl.h: Remove the prototype for replace_reg.
7393 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7395 * regclass.c (reg_scan_update): Remove.
7396 (reg_scan_mark_refs): Remove the last argument.
7397 * rtl.h: Remove the prototype for reg_scan_update.
7399 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7401 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7402 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7403 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7404 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7405 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7406 loop-invariant.c, omp-low.c, opts.c, passes.c,
7407 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7408 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7409 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7410 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7411 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7412 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7414 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7416 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7417 * dwarf2out.h: Remove the prototype for
7418 dwarf2out_add_library_unit_info.
7420 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7422 * tree.c (add_var_to_bind_expr): Remove.
7423 * tree.h: Remove the prototype for add_var_to_bind_expr.
7425 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7427 * regclass.c (n_non_fixed_regs): Remove.
7428 (init_reg_sets_1, globalize_reg): Remove all uses of
7430 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7432 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7434 * rtlanal.c (insns_safe_to_move_p): Remove.
7435 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7437 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7439 * expmed.c (expand_mult_add): Remove.
7440 * expr.h: Remove the prototype for expand_mult_add.
7442 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7444 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7445 and REG_SAVED_VAL_EXP constants.
7446 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7447 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7448 Handle regs stored by value.
7449 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7450 (execute_cfa_program): Handle DW_CFA_val_offset,
7451 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7452 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7453 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7454 (uw_install_context_1): Handle target regs stored by value.
7456 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7458 * tree-sra.c (tree_sra): Return todoflags;
7459 (generate_one_element): Set TODO_update_smt_usage if needed.
7460 (pass_sra): Remove TODO_update_smt_usage.
7461 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7463 (tree_ssa_forward_propagate_single_use_vars): Return
7464 TODO_update_smt_usage if we need to update SMT usage.
7465 (pass_forwprop): Remove TODO_update_smt_usage.
7467 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7469 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7470 (correct_use_link): Remove reference to get_stmt_operands.
7471 (update_stmt_operands): Likewise.
7472 (get_modify_expr_operands): New function factored out of
7473 parse_ssa_operands and get_expr_operands.
7474 Try to create V_MUST_DEFs for LHS by default.
7475 (get_expr_operands) <case MODIFY_EXPR>: Call
7476 get_modify_expr_operands.
7477 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7478 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7479 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7480 get_modify_expr_operands.
7482 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7484 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7485 * tree-flow.h: Remove the prototype for
7486 referenced_var_lookup_if_exists.
7488 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7490 PR rtl-optimization/26345
7492 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7494 2006-03-03 Roger Sayle <roger@eyesopen.com>
7496 PR tree-optimization/26524
7497 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7498 fold_convert to create a constant of the appropriate type.
7500 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7502 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7503 SYMBOL_REF_IN_BLOCK_P.
7504 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7505 of SYMBOL_FLAG_IN_BLOCK.
7506 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7507 instead of SYMBOL_REF_IN_BLOCK_P.
7508 * explow.c (use_anchored_address): Likewise.
7509 * rtl.c (rtx_size): Likewise.
7510 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7511 instead of SYMBOL_FLAG_IN_BLOCK.
7512 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7513 SYMBOL_REF_IN_BLOCK_P.
7514 (assemble_variable): Likewise.
7515 (output_constant_def_contents): Likewise.
7516 (output_constant_pool): Likewise.
7517 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7518 instead of SYMBOL_FLAG_IN_BLOCK.
7519 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7520 SYMBOL_REF_IN_BLOCK_P.
7521 (SYMBOL_REF_BLOCK): Likewise.
7522 (SYMBOL_REF_OFFSET): Likewise.
7523 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7524 SYMBOL_REF_IN_BLOCK_P.
7525 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7526 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7527 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7528 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7530 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7532 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7534 2006-03-02 Roger Sayle <roger@eyesopen.com>
7536 * simplify-rtx.c (simplify_unary_operation): When simplifying
7537 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7538 that we perform the right shift in the appropriate mode, and
7539 then extend or truncate the result to requested mode.
7541 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7543 * gengtype.c (main): Handle double_int type.
7544 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7545 * double-int.c: New file.
7546 * double-int.h: New file.
7547 * system.h: Include doubleint.h.
7548 * Makefile.in (SYSTEM_H): Include double-int.h.
7549 (double-int.o): Add.
7551 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7554 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7557 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7559 * tree-vrp.c (remove_range_assertions): Do not update statements
7562 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7564 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7566 * gcse.c (rest_of_handle_gcse): Ditto.
7567 * except.c (gate_handle_eh): Ditto.
7568 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7569 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7571 2006-03-02 Eric Christopher <echristo@apple.com>
7573 * config/i386/i386.c (machopic_output_stub): Add indirection to
7576 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7580 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7582 Sun Niagara specific optimizations.
7583 * config.gcc: Recognize niagara as target.
7584 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7585 (TARGET_CPU_niagara): Define.
7586 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7587 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7588 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7589 (ASM_CPU_SPEC): Likewise.
7590 (PROCESSOR_NIAGARA): New enum entry.
7591 (REGISTER_MOVE_COST): Handle Niagara.
7592 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7593 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7594 (sparc_override_options): Recognize "niagara", set appropriate
7595 default MASK_* values for it, and align functions to 32-bytes
7596 by default just like ULTRASPARC/ULTRASPARC3.
7597 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7598 (sparc64_initialize_trampoline): Likewise.
7599 (sparc_use_sched_lookahead): Use zero for niagara.
7600 (sparc_issue_rate): Use one for niagara.
7601 * config/sparc/niagara.md: New file.
7602 * config/sparc/sparc.md: Include it.
7603 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7604 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7605 when default cpu is niagara.
7606 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7607 (ASM_CPU_SPEC): Likewise.
7608 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7609 when default cpu is niagara.
7610 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7611 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7612 just like v9/ultrasparc/ultrasparc3.
7613 * doc/invoke.texi: Add documentation for "niagara" and improve
7614 existing documentation for ultrasparc variants.
7616 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7618 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7620 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7622 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7623 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7624 and say that only one is needed.
7625 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7626 * target.h (have_switchable_bss_sections): New hook.
7627 * explow.c (use_anchored_address): Check that the symbol is in a block.
7628 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7629 (bss_noswitch_section): New variables.
7630 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7631 (get_noswitch_section): New function.
7632 (get_block_for_section): Allow SECT to be null.
7633 (unlikely_text_section_p): Use SECTION_STYLE.
7634 (bss_initializer_p): New function.
7635 (get_variable_section): Move earlier in file. Take a new argument,
7636 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7637 Return one of the new *_sections in such cases.
7638 (get_block_for_decl): New function, extracting some logic from
7639 use_blocks_for_decl_p.
7640 (change_symbol_section): Remove in favor of...
7641 (change_symbol_block): ...this new function.
7642 (use_blocks_for_decl_p): Remove checks now performed by
7644 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7645 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7646 (emit_local, emit_bss, emit_common): ...these new functions.
7647 Return true if the alignment was honored.
7648 (emit_tls_common): New function.
7649 (asm_emit_uninitialised): Delete.
7650 (assemble_variable_noswitch): New function, split out from...
7651 (assemble_variable): ...here. Don't make decisions about common
7652 variables here. Globalize all public decls that go into non-common
7653 sections. Check whether SYMBOL_REF_BLOCK is null.
7654 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7655 (output_constant_pool): Likewise.
7656 (init_varasm_once): Initialize the new section variables.
7657 (have_global_bss_p): New function.
7658 (categorize_decl_for_section): Use bss_initializer_p.
7659 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7660 (place_block_symbol): Assert that the symbol must be in a block.
7661 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7662 (TARGET_INITIALIZER): Include it.
7663 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7664 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7665 (SECTION_MACH_DEP): Bump by two.
7666 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7667 (unnamed_section): Mention SECTION_UNNAMED in comment.
7668 (named_section): Likewise SECTION_NAMED.
7669 (noswitch_section_callback): New type.
7670 (noswitch_section): New structure.
7671 (section): Add a noswitch_section alternative.
7672 (SECTION_STYLE): New macro.
7673 (tls_comm_section, comm_section, lcomm_section): Declare.
7674 (bss_noswitch_section, have_global_bss_p): Declare.
7675 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7676 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7678 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7679 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7682 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7684 * tree-vrp.c (execute_vrp): Return value.
7685 * regrename.c (rest_of_handle_regrename): Ditto.
7686 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7687 * tree-complex.c (tree_lower_complex): Ditto.
7688 (tree_lower_complex_O0): Ditto.
7689 * tracer.c (rest_of_handle_tracer): Ditto.
7690 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7691 * postreload.c (rest_of_handle_postreload): Ditto.
7692 * tree-tailcall.c (execute_tail_recursion): Ditto.
7693 (execute_tail_calls): Ditto.
7694 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7695 * tree.h (init_function_for_compilation): Ditto.
7696 * ipa-cp.c (ipcp_driver): Ditto.
7697 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7698 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7699 * final.c (compute_alignments): Ditto.
7700 (rest_of_handle_final): Ditto.
7701 (rest_of_handle_shorten_branches): Ditto.
7702 (rest_of_clean_state): Ditto.
7703 * omp-low.c (execute_expand_omp): Ditto.
7704 (execute_lower_omp): Ditto.
7705 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7706 * ipa-reference.c (static_execute): Ditto.
7707 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7708 * reorg.c (rest_of_handle_delay_slots): Ditto.
7709 (rest_of_handle_machine_reorg): Ditto.
7710 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7711 * flow.c (recompute_reg_usage): Ditto.
7712 (rest_of_handle_remove_death_notes): Ditto.
7713 (rest_of_handle_life): Ditto.
7714 (rest_of_handle_flow2): Ditto.
7715 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7716 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7717 (do_ssa_store_ccp): Ditto.
7718 (execute_fold_all_builtins): Ditto.
7719 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7720 * modulo-sched.c (rest_of_handle_sms): Ditto.
7721 * ipa-pure-const.c (static_execute): Ditto.
7722 * cse.c (rest_of_handle_cse): Ditto.
7723 (rest_of_handle_cse2): Ditto.
7724 * web.c (rest_of_handle_web): Ditto.
7725 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7726 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7727 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7728 * tree-nrv.c (tree_nrv): Ditto.
7729 (execute_return_slot_opt): Ditto.
7730 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7731 (create_structure_vars): Ditto.
7732 * loop-init.c (rtl_loop_init): Ditto.
7733 (rtl_loop_done): Ditto.
7734 (rtl_move_loop_invariants): Ditto.
7735 (rtl_unswitch): Ditto.
7736 (rtl_unroll_and_peel_loops): Ditto.
7737 (rtl_doloop): Ditto.
7738 * gimple-low.c (lower_function_body): Ditto.
7739 (mark_used_blocks): Ditto.
7740 * tree-ssa-sink.c (execute_sink_code): Ditto.
7741 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7742 (cgraph_early_inlining): Ditto.
7743 * global.c (rest_of_handle_global_alloc): Ditto.
7744 * jump.c (cleanup_barriers): Ditto.
7745 (purge_line_number_notes): Ditto.
7746 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7747 (rest_of_handle_if_after_reload): Ditto.
7748 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7749 (tree_ssa_loop_im): Ditto.
7750 (tree_ssa_loop_unswitch): Ditto.
7751 (tree_vectorize): Ditto.
7752 (tree_linear_transform): Ditto.
7753 (tree_ssa_loop_ivcanon): Ditto.
7754 (tree_ssa_empty_loop): Ditto.
7755 (tree_ssa_loop_bounds): Ditto.
7756 (tree_complete_unroll): Ditto.
7757 (tree_ssa_loop_prefetch): Ditto.
7758 (tree_ssa_loop_ivopts): Ditto.
7759 (tree_ssa_loop_done): Ditto.
7760 * predict.c (tree_estimate_probability): Ditto.
7761 * recog.c (split_all_insns_noflow): Ditto.
7762 (rest_of_handle_peephole2): Ditto.
7763 (rest_of_handle_split_all_insns): Ditto.
7764 * tree-eh.c (lower_eh_constructs): Ditto.
7765 * regmove.c (rest_of_handle_regmove): Ditto.
7766 (rest_of_handle_stack_adjustments): Ditto.
7767 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7768 * function.c (instantiate_virtual_regs): Ditto.
7769 (init_function_for_compilation): Ditto.
7770 (rest_of_handle_check_leaf_regs): Ditto.
7771 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7772 (rest_of_handle_gcse): Ditto.
7773 * ipa-type-escape.c (type_escape_execute): Ditto.
7774 * alias.c (rest_of_handle_cfg): Ditto.
7775 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7776 * profile.c (rest_of_handle_branch_prob): Ditto.
7777 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7778 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7779 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7780 * tree-dfa.c (find_referenced_vars): Ditto.
7781 * except.c (set_nothrow_function_flags): Ditto.
7782 (convert_to_eh_region_ranges): Ditto.
7783 (rest_of_handle_eh): Ditto.
7784 * emit-rtl.c (unshare_all_rtl): Ditto.
7785 (remove_unnecessary_notes): Ditto.
7786 * except.h (set_nothrow_function_flags): Ditto.
7787 (convert_to_eh_region_ranges): Ditto.
7788 * cfgexpand.c (tree_expand_cfg): Ditto.
7789 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7790 * tree-ssa-pre.c (do_pre): Ditto.
7791 (execute_fre): Ditto.
7792 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7793 (rest_of_handle_jump2): Ditto.
7794 * tree-sra.c (tree_sra): Ditto.
7795 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7796 (execute_mudflap_function_decls): Ditto.
7797 * tree-ssa-copy.c (do_copy_prop): Ditto.
7798 (do_store_copy_prop): Ditto.
7799 * ipa-prop.h (ipcp_driver): Ditto.
7800 * cfglayout.c (insn_locators_initialize): Ditto.
7801 * tree-ssa-forwprop.c
7802 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7803 * cfglayout.h (insn_locators_initialize): Ditto.
7804 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7805 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7806 (execute_late_warn_uninitialized): Ditto.
7807 * rtl.h (cleanup_barriers): Ditto.
7808 (split_all_insns_noflow): Ditto.
7809 (purge_line_number_notes): Ditto.
7810 (unshare_all_rtl): Ditto.
7811 (remove_unnecessary_notes): Ditto.
7812 (recompute_reg_usage): Ditto.
7813 (variable_tracking_main): Ditto.
7814 * integrate.c (emit_initial_value_sets): Ditto.
7815 * integrate.h (emit_initial_value_sets): Ditto.
7816 * tree-optimize.c (execute_free_datastructures): Ditto
7817 (execute_free_cfg_annotations): Ditto.
7818 (execute_fixup_cfg): Ditto.
7819 (execute_cleanup_cfg_pre_ipa): Ditto.
7820 (execute_cleanup_cfg_post_optimizing): Ditto.
7821 (execute_init_datastructures): Ditto.
7822 * tree-object-size.c (compute_object_sizes): Ditto.
7823 * combine.c (rest_of_handle_combine): Ditto.
7824 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7825 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7826 (rest_of_handle_reorder_blocks): Ditto.
7827 (rest_of_handle_partition_blocks): Ditto.
7828 * var-tracking.c (variable_tracking_main): Ditto.
7829 * tree-profile.c (tree_profiling): Ditto.
7830 * tree-vect-generic.c (expand_vector_operations): Ditto.
7831 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7832 * sched-rgn.c (rest_of_handle_sched): Ditto.
7833 (rest_of_handle_sched2): Ditto.
7834 * basic-block.h (free_bb_insn): Ditto.
7835 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7836 * tree-cfg.c (execute_build_cfg): Ditto.
7837 (remove_useless_stmts): Ditto.
7838 (split_critical_edges): Ditto.
7839 (execute_warn_function_return): Ditto.
7840 (execute_warn_function_noreturn): Ditto.
7841 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7842 * cfgrtl.c (free_bb_for_insn): Ditto.
7843 * passes.c (execute_one_pass): Run additional
7844 todos returned by execute function.
7845 * tree-pass.h (struct tree_opt_pass): Make execute
7848 2006-03-02 Richard Guenther <rguenther@suse.de>
7850 * tree-ssa-alias.c (find_used_portions): Consider taking
7851 the address as making the variable not write-only.
7853 2006-03-02 Nick Clifton <nickc@redhat.com>
7855 * config.gcc (default_use_cxa_atexit): Extend the description of
7856 this configure variable. Set its default value to "yes" for
7857 Linux, NetBSD and ELF targets on the assumption that they will
7858 use C libraries with the __cxa_atexit function.
7860 2006-03-02 Ben Elliston <bje@au.ibm.com>
7862 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7863 parameter as unused to suppress a build warning.
7865 2006-03-02 Ben Elliston <bje@au.ibm.com>
7867 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7870 2006-03-01 Roger Sayle <roger@eyesopen.com>
7873 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7874 declared name, the weak reference name, and the typeof name.
7875 (__gthrw): Avoid expanding the declared name suffix.
7876 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7878 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7880 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7882 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7883 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7884 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7885 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7886 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7887 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7888 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7889 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7890 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7891 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7892 (DW_END_default, DW_END_big, DW_END_little): New.
7893 (DW_END_lo_user, DW_END_hi_user): Define.
7894 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7895 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7896 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7899 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7901 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7903 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7905 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7907 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7909 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7910 to 'symbol_mem_tag'.
7912 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7915 2006-03-01 Roger Sayle <roger@eyesopen.com>
7917 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7919 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7922 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7923 MACHO_DYNAMIC_NO_PIC_P.
7924 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7926 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7929 * config/darwin-protos.h (darwin_asm_output_anchor):
7931 * config/darwin-sections.def (cstring_section):
7932 Add SECTION_MERGE to the flags.
7933 (literal4_section): Likewise.
7934 (literal8_section): Likewise.
7935 (objc_selector_refs_section): Likewise.
7936 (objc_cls_refs_section): Likewise.
7937 * config/darwin.c (darwin_asm_output_anchor): New
7939 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7941 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7943 Fix PR tree-optimization/26443
7944 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7945 to todo and PROP_tmt_usage to properties_destroyed.
7946 * tree-ssa-ccp.c (pass_ccp): Ditto.
7947 (pass_store_ccp): Ditto.
7948 * tree-ssa-dom.c (pass_dominator): Ditto.
7950 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7952 * tree-ssa-operands.c: Cleanup whitespace.
7953 (get_asm_expr_operands): Move before first invocation.
7954 (get_indirect_ref_operands): Likewise.
7955 (get_tmr_operands): Likewise.
7956 (get_call_expr_operands): Likewise.
7957 (append_def): Likewise.
7958 (append_use): Likewise.
7959 (append_v_may_def): Likewise.
7960 (append_v_must_def): Likewise.
7961 (add_call_clobber_ops): Likewise.
7962 (add_call_read_ops): Likewise.
7963 (add_stmt_operand): Likewise.
7964 (add_virtual_operand): Likewise.
7965 (build_ssa_operands): Likewise.
7967 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7972 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7973 with a call expr to ...
7974 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7976 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7978 * tree-vrp.c (extract_range_from_assert): Remove special
7979 handling for types with super-types.
7981 2006-03-01 Ben Elliston <bje@au.ibm.com>
7983 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7984 and powerpc64-*-linux* configurations.
7985 * config/t-dfprules: New file.
7987 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7988 Compile dfp-bit.c from the source directory using -DWIDTH and
7989 $DFP_CFLAGS to control the compilation of that file, rather than
7990 generating width-specific versions in the build directory.
7991 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7992 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7994 2006-02-28 Zack Weinberg <zackw@panix.com>
7996 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7999 2006-02-28 Eric Christopher <echristo@apple.com>
8001 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8002 Set up IN_LIBGCC definition of TARGET_64BIT.
8003 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8005 2006-02-28 Roger Sayle <roger@eyesopen.com>
8008 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8009 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8010 cases via the construction of "expr != 0".
8012 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8014 * alias.c (alias_invariant, alias_invariant_size): Remove.
8015 (record_base_value): Remove.
8016 (memrefs_conflict_p): Don't look at alias_invariant.
8017 (end_alias_analysis): Don't free it.
8018 * alias.h (record_base_value): Remove prototype.
8020 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8021 Adam Nemet <anemet@caviumnetworks.com>
8023 * rtl.h (truncated_to_mode): Declare it.
8024 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8025 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8026 (RTL_HOOKS_INITIALIZER): Include it.
8027 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8028 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8029 reg_truncated_to_mode.
8030 * rtlanal.c (truncated_to_mode): Define it.
8031 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8033 2006-02-28 Jeff Law <law@redhat.com>
8035 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8036 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8037 the range allowed by TYPE_PRECISION.
8039 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8041 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8043 PR tree-optimization/26419
8044 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8047 2006-02-27 Zack Weinberg <zackw@panix.com>
8049 * doc/md.texi: Fix typo in previous change.
8051 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8055 2006-02-27 Zack Weinberg <zackw@panix.com>
8057 * rtl.def (define_constraint, define_register_constraint)
8058 (define_memory_constraint, define_address_constraint): New MD forms.
8059 * gensupport.c (process_rtx): Put define_constraint etc on the
8061 * genpreds.c (process_define_predicate): Adjust comment. Validate
8062 the name, and call validate_exp to validate the expression.
8063 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8064 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8065 all callers changed.
8066 (validate_exp, needs_variable, struct constraint_data)
8067 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8068 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8069 (const_dbl_constraints, constraint_max_namelen)
8070 (have_register_constraints, have_memory_constraints)
8071 (have_address_constraints, have_address_constraints)
8072 (have_extra_constraints, have_const_int_constraints)
8073 (have_const_dbl_constraints, mangle, add_constraint)
8074 (process_define_constraint, process_define_register_constraint)
8075 (write_enum_constraint_num, write_lookup_constraint)
8076 (write_insn_constraint_len, write_regclass_for_constraint)
8077 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8078 (write_insn_extra_memory_constraint)
8079 (write_insn_extra_address_constraint)
8080 (write_satisfies_constraint_fns): New.
8081 (write_tm_preds_h): If we have new-style constraint definitions,
8082 prototype the functions generated from them, and define the
8083 old constraint interface (still used by generic code) in terms of
8085 (write_insn_preds_c): If we have new-style constraint definitions,
8086 generate all relevant functions from those definitions.
8087 (main): Handle define_constraint etc.
8088 * genoutput.c (struct constraint_data, indep_constraints)
8089 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8090 (mdep_constraint_len): New data structures and functions, defined
8091 #ifdef USE_MD_CONSTRAINTS.
8092 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8093 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8094 use new logic to validate operand constraints against constraint
8096 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8098 * defaults.h: If none of the old-style constraint macros are
8099 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8100 old-style macros; and poison REG_CLASS_FROM_LETTER,
8101 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8103 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8104 * doc/md.texi: Document new constraint-definition mechanism and the
8105 C interface it provides. Remove references to old mechanism
8106 elsewhere in the document.
8107 (Machine Constraints): Use pathnames relative to gcc directory,
8108 i.e. config/ARCH/FILE. Change i386 section to refer to
8109 config/i386/predicates.md; update that section to match docstrings.
8110 * doc/tm.texi: Move all documentation of the old constraint-
8111 definition macros to their own section, clearly mark as obsolete.
8113 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8114 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8116 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8117 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8118 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8120 (splits and peepholes): Use satisfies_constraint_*.
8121 * config/i386/i386.c (memory_address_length)
8122 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8124 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8126 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8127 scalar operation to be put back into the loop.
8129 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8132 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8133 (extract_cie_info): Handle S flag in augmentation string.
8134 (execute_cfa_program): If context->signal_frame, execute also
8135 fs->pc == context->ra instructions.
8136 (uw_frame_state_for): If context->signal_frame, don't subtract one
8137 from context->ra to find FDE.
8138 (uw_update_context_1): Set context->signal_frame to
8140 (_Unwind_GetIPInfo): New function.
8141 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8142 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8144 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8145 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8146 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8147 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8148 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8149 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8150 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8151 x86_64_fallback_frame_state): Set fs->signal_frame.
8152 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8153 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8154 (frob_update_context): Likewise. Workaround missing S flag in
8155 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8156 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8157 Remove the psw_addr + 1 hack.
8159 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8161 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8162 with aggregates here.
8163 (find_func_aliases): Remove code for &<aggregate> from here.
8165 2006-02-26 Roger Sayle <roger@eyesopen.com>
8167 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8168 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8169 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8172 2006-02-26 Roger Sayle <roger@eyesopen.com>
8175 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8177 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8179 * opts.c (decode_options): Do not handle flag_strength_reduce.
8180 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8181 and OPT_fstrength_reduce.
8182 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8183 flag_prefetch_loop_arrays for being nonzero.
8184 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8186 (fprefetch-loop-arrays-rtl): Removed.
8187 (flag_prefetch_loop_arrays): Do not specify the value.
8189 * doc/passes.texi: Update documentation of loop optimizer
8191 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8192 -frerun-loop-opt): Remove.
8194 2006-02-26 Richard Guenther <rguenther@suse.de>
8196 PR tree-optimization/26421
8197 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8198 in function calls that are ADDR_EXPRs as using the whole structure.
8200 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8202 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8203 * tree-pass.h (pass_loop_optimize): Remove.
8204 * passes.c (pass_loop_optimize): Never run it.
8205 * toplev.c (backend_init): Don't call init_loop.
8206 * opts.c (flag_loop_optimize_set): Remove.
8207 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8208 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8209 the old RTL loop optimizer when profiling enabled.
8210 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8211 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8212 pre-headers for the sake of the old RTL loop optimizer.
8213 * Makefile.in: Remove all references to loop.o.
8215 * doc/invoke.texi: Remove all references to -floop-optimize
8216 and -frerun-loop-opt.
8218 2006-02-26 Zack Weinberg <zackw@panix.com>
8220 * doc/md.texi (Machine Constraints): Refer to all files with paths
8221 relative to gcc directory (i.e. config/CPU/file). Add missing
8222 @table @code ... @end table to M32C subsection.
8224 2006-02-26 Roger Sayle <roger@eyesopen.com>
8226 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8228 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8230 2006-02-26 Roger Sayle <roger@eyesopen.com>
8231 James A. Morrison <phython@gcc.gnu.org>
8234 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8235 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8236 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8237 signedness of the shift operation.
8239 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8241 PR tree-optimization/26359
8242 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8244 2006-02-25 Roger Sayle <roger@eyesopen.com>
8246 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8247 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8248 as X == 0, and some symmetry related transformations.
8249 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8251 2006-02-25 Roger Sayle <roger@eyesopen.com>
8254 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8255 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8256 symmetry related transformations. Fold (X^C1) == C2 as
8259 2006-02-25 Juergen Weigert <jw@suse.de>
8260 Richard Guenther <rguenther@suse.de>
8262 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8264 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8266 * combine.c (gen_lowpart_or_truncate): Call
8267 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8269 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8271 * doc/invoke.texi: Move -fopenmp description to "Options for
8273 Remove reference to -lgomp.
8275 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8277 * doc/install.texi: Require GNU tar version 1.14.
8279 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8281 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8282 * doc/invoke.texi (C++ Dialect Options): Document
8283 -fno-use-cxa-get-exception-ptr.
8284 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8285 * configure: Regenerate.
8286 * c.opt (fuse-cxa-get-exception-ptr): New.
8287 * c-opts.c (c_common_handle_option): Handle
8288 OPT_fuse_cxa_get_exception_ptr.
8289 * c-common.c (flag_use_cxa_atexit): Update documentation.
8290 (flag_use_cxa_get_exception_ptr): New.
8291 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8292 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8294 (C_COMMON_OVERRIDE_OPTIONS): New.
8296 2006-02-24 Roger Sayle <roger@eyesopen.com>
8299 * combine.c (try_combine): Explicitly check whether GET_CODE is
8300 a SET or a CLOBBER, instead on checking that it isn't a USE.
8302 2006-02-24 Roger Sayle <roger@eyesopen.com>
8304 * fold-const.c (fold_comparison): New subroutine of fold_binary
8305 containing transformations common to both the equality and
8306 ordering relational operators, factored out of fold_binary.
8307 (fold_binary): Separate out the equality operators (EQ_EXPR
8308 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8309 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8310 transformations common to both.
8311 (fold_div_compare): Fix latent bugs in the previously unreachable
8312 LT_EXPR and GE_EXPR cases.
8314 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8316 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8317 decl libname for clog to __clog on AIX.
8319 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8321 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8324 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8325 output traceback table for thunks. Localise rs6000_stack_info call.
8327 2006-02-23 Roger Sayle <roger@eyesopen.com>
8328 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8330 * gthr-posix.h (__gthrw): Fix typo in comment.
8332 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8334 * doc/cpp.texi (Character sets): Document that we do support
8335 input files to be in any character set.
8337 2006-02-23 Jeff Law <law@redhat.com>
8339 * tree.h (PHI_ARG_NONZERO): Remove.
8340 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8341 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8342 node to the new node.
8344 PR tree-optimization/26425
8345 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8346 min/max, then assume its varying.
8348 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8350 PR rtl-optimization/26316
8351 * rtlanal.c (enum may_trap_p_flags): New.
8352 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8353 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8354 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8355 (may_trap_after_code_motion_p): New function.
8356 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8357 (find_invariant_insn): Use may_trap_after_code_motion_p.
8358 * rtl.h (may_trap_after_code_motion_p): Declare.
8360 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8362 * emit-rtl.c (immed_double_const): Cleanup.
8364 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8366 Fix PR tree-optimization/26376
8367 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8370 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8373 * gimplify.c (omp_add_variable): Guard variable size decl test with
8374 DECL_SIZE (decl) check.
8376 2006-02-23 Richard Guenther <rguenther@suse.de>
8379 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8380 like aggregate types.
8382 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8384 * configure.ac: Add --with{,out}-long-double-128 configure option.
8385 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8386 * configure: Rebuilt.
8387 * config.in: Rebuilt.
8388 * doc/install.texi (Options specification): Document
8389 --with-long-double-128.
8391 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8392 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8393 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8394 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8396 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8398 * config/s390/s390.c (override_options): Handle
8399 TARGET_DEFAULT_LONG_DOUBLE_128.
8401 * config/alpha/alpha.c (override_options): Handle
8402 TARGET_DEFAULT_LONG_DOUBLE_128.
8404 * config/sparc/sparc.c (sparc_override_options): Handle
8405 TARGET_DEFAULT_LONG_DOUBLE_128.
8407 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8409 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8410 (real-install-headers-tar, real-install-headers-cpio)
8411 (real-install-headers-cp): New targets.
8413 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8415 * tree.h (variable_section): Delete.
8416 * varasm.c (variable_section): Delete.
8418 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8420 * install.texi: Add notes on install.texi2html.
8421 (Building in parallel): Do not use footnotes.
8423 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8426 * doc/install.texi (Configuration): Document --disable-libgomp.
8428 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8430 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8432 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8434 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8435 (vec_extractv2df_0_sse): New.
8437 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8439 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8440 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8441 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8442 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8443 to the result of the expression.
8444 (def_cfa_1): Adjust.
8445 (frame_pointer_cfa_offset): Rename to...
8446 (frame_pointer_fb_offset): ... this. Adjust all uses.
8447 (convert_cfa_to_loc_list): Rename to...
8448 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8449 Pass it on to build_cfa_loc.
8450 (compute_frame_pointer_to_cfa_displacement): Rename to...
8451 (compute_frame_pointer_to_fb_displacement): ... this. New
8452 offset parameter. Use it in computation.
8453 (gen_subprogram_die): Compute cfa_fb_offset with the new
8454 macro, and use it to compute the fb loc list and the
8457 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8459 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8460 replaced with register_operand.
8461 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8462 non-DREG is expensive.
8463 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8464 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8467 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8469 * doc/install.texi2html: Use set -e.
8471 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8473 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8474 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8475 * doc/invoke.texi (-fshared-data): Delete.
8476 * common.opt (fshared-data): Delete.
8477 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8478 (assemble_static_space): Remove #if 0 code.
8479 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8480 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8481 * config/cris/cris.h: Remove FIXME.
8483 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8485 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8488 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8491 * combine.c (simplify_shift_const_1): Disable nested shifts
8492 optimization for vector shifts.
8494 2006-02-20 Roger Sayle <roger@eyesopen.com>
8496 PR tree-optimization/26361
8497 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8498 of unsigned integer types.
8500 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8502 * tree-chrec.c (eq_evolutions_p): New.
8503 * tree-chrec.h (eq_evolutions_p): Declared.
8504 * tree-data-ref.c: Fix formatting.
8505 (datadep_stats, dependence_stats): New.
8507 (print_direction_vector): New.
8508 (dump_data_dependence_relation): Use print_direction_vector.
8509 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8510 (compute_subscript_distance): Static.
8511 (initialize_data_dependence_relation): Static. Get the number
8512 of loops surrounding the references from the callers, and initialize
8513 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8514 base_object_differ_p analyzers.
8515 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8516 compute_overlap_steps_for_affine_1_2,
8517 analyze_subscript_affine_affine): Count the classified dependences.
8518 Print a message when a test failed.
8519 (can_use_analyze_subscript_affine_affine): New.
8520 (analyze_siv_subscript): Compute the data dependences on symbolic
8521 scevs that verify can_use_analyze_subscript_affine_affine.
8522 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8523 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8524 Handle symbolic scevs.
8525 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8527 (subscript_dependence_tester): Moved...
8528 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8529 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8530 DDR_SIZE_VECT instead of getting it in parameter.
8531 (subscript_dependence_tester): ... here. Take as a parameter
8532 loop_nest_depth. Call build_classic_dist_vector and
8533 build_classic_dir_vector.
8534 (compute_affine_dependence): Update subscript_dependence_tester
8535 parameters. Update datadep_stats counters. Call
8536 compute_subscript_distance.
8537 (compute_self_dependence): Save the dist and dir vectors. Call
8538 compute_subscript_distance.
8539 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8540 (compute_all_dependences): Reorder parameters as they were before
8541 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8542 compute_subscript_distance. Update the use of
8543 compute_affine_dependence and initialize_data_dependence_relation.
8544 (find_data_references_in_loop): Handle COMPONENT_REF.
8545 (compute_data_dependences_for_loop): Initialize dependence_stats.
8546 Don't call build_classic_dist_vector and build_classic_dir_vector.
8547 Update the parameters of initialize_data_dependence_relation and
8548 compute_all_dependences. Print the statistics from datadep_stats.
8549 (analyze_all_data_dependences): Static. Not used until the pass for
8550 checking the data dependences is contributed.
8551 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8552 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8553 (initialize_data_dependence_relation, compute_affine_dependence,
8554 analyze_all_data_dependences, compute_subscript_distance): Removed.
8555 (print_direction_vector): New.
8556 * lambda.h (gcd): ... here.
8557 (lambda_vector_gcd): Moved here from gcd_vector.
8558 * lambda-code.c (gcd, gcd_vector): Removed.
8559 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8560 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8562 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8564 * ipa-type-escape.c: Tidy some comments and white space.
8565 * tree-ssa-operands.c: Likewise.
8567 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8570 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8571 (dump_decl_name): Do not walk the decl tree chains.
8572 * tree-pass.h (TDF_CHAIN): Remove.
8574 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8576 * Makefile.in (C): Remove
8578 (.PHONY): Remove C and PROTO
8580 2006-02-20 Roger Sayle <roger@eyesopen.com>
8583 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8584 deprecated CHAR_TYPE tree code.
8586 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8588 * configure.ac (target_list): Add install-info, dvi, html.
8589 * configure: Regenerate.
8591 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8592 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8593 treelang/Make-lang.in: Do not use double-colon rules.
8595 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8597 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8598 (TMT_USED_ALONE): New macro.
8599 * tree-pass.h (PROP_tmt_usage): New property.
8600 (TODO_update_tmt_usage): New todo.
8601 * tree-ssa-alias.c (updating_used_alone): New variable.
8602 (recalculate_used_alone): New function.
8603 (compute_may_aliases): Set updating_used_alone, call
8604 recalculate_used_alone.
8605 * tree-sra.c (pass_sra): Note that this pass destroys
8606 PROP_tmt_usage, and add TODO_update_tmt_usage.
8607 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8608 * tree-flow.h (updating_used_alone): Prototype.
8609 (recalculate_used_alone): Ditto.
8610 * passes.c (execute_todo): Add code to set updating_used_alone,
8611 and call recalculate.
8612 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8613 for clobber if used alone, and add assert to verify used_alone
8616 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8618 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8619 for non tls symbols added.
8620 (legitimize_address): Do nothing for PLUS expressions if one of the
8621 addends is a tls symbol reference.
8623 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8627 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8629 * Makefile.in (BOOTSTRAPPING): New.
8630 (quickstrap): New definition if BOOTSTRAPPING=yes.
8632 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8633 * configure.ac: Substitute all_selected_languages with the languages
8634 that were configured. For all the other variables except
8635 lang_specs_files, include all the languages in the tree.
8636 * configure: Regenerate.
8638 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8639 if there is one. Run the commands to run fixincludes in the same
8642 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8643 * doc/install.texi: Document exact conventions for searching target tools.
8644 Document --with-build-time-tools. Document toplevel bootstrap. Document
8645 something more about building an Ada cross-compiler. Don't list GNU Make
8646 requirements which affect all platforms.
8648 2006-02-19 Roger Sayle <roger@eyesopen.com>
8651 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8652 only equivalent if the have both the same mode and precision.
8654 2006-02-20 Ben Elliston <bje@au.ibm.com>
8656 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8658 2006-02-19 Roger Sayle <roger@eyesopen.com>
8659 Steven Bosscher <stevenb.gcc@gmail.com>
8661 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8662 constant pool references to identify stack mode constants.
8663 * rtlanal.c (constant_pool_constant_p): New predicate to check
8664 whether operand is a floating point constant in the pool.
8665 * rtl.h (constant_pool_constant_p): Prototype here.
8666 * loop.c (scan_loop): Avoid hoisting constants from the constant
8667 pool on STACK_REGS targets.
8668 (load_mems): Likewise.
8669 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8670 loads into x87 registers expensive in terms of register pressure.
8672 2006-02-19 Roger Sayle <roger@eyesopen.com>
8674 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8675 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8677 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8679 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8680 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8682 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8684 * doc/invoke.texi: Document -fipa-pta.
8685 * common.opt: Add ipa-pta option.
8686 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8687 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8688 (do_ds_constraint): Ditto.
8689 (get_constraint_for): Only add to referenced_vars if
8690 referenced_vars exists.
8691 (insert_into_field_list): Rewrite to do this unsorted.
8692 (insert_into_field_list_sorted): Rename old insert_into_field_list
8694 (create_function_info_for): Use insert_into_field_list_sorted.
8695 (create_variable_info_for): Rewrite so it uses unsorted version,
8696 since the field list is sorted.
8697 (intra_create_variable_infos): Only add to referenced_vars if
8698 referenced_vars exists.
8699 (ipa_pta_execute): Init heapvars, and delete when done.
8700 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8702 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8704 * doc/install.texi: Add missing `@samp'.
8706 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8708 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8711 2006-02-18 Mark Wielaard <mark@klomp.org>
8713 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8714 who added new 4.1 features, bug fixes and integration support.
8716 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8719 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8722 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8724 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8725 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8726 (copy_insn_1): Likewise. Don't copy each field individually.
8728 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8730 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8731 * rtl.c (rtx_size): Rename variable to...
8732 (rtx_code_size): ...this.
8733 (rtx_size): New function.
8734 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8735 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8737 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8738 * rtl.h (rtx_code_size): New variable.
8739 (rtx_size): Change from a variable to a function.
8740 (RTX_SIZE): Rename to...
8741 (RTX_CODE_SIZE): ...this.
8744 PR tree-optimization/17106
8745 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8746 (Anchored Addresses): New section.
8747 * doc/invoke.texi (-fsection-anchors): Document.
8748 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8749 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8750 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8751 * hooks.c (hook_bool_mode_rtx_false): New function.
8752 * hooks.h (hook_bool_mode_rtx_false): Declare.
8753 * gengtype.c (create_optional_field): New function.
8754 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8755 SYMBOL_REF_IN_BLOCK_P is true.
8756 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8757 (min_anchor_offset, max_anchor_offset): Likewise.
8758 (use_anchors_for_symbol_p): New hook.
8759 * toplev.c (compile_file): Call output_object_blocks.
8760 (target_supports_section_anchors_p): New function.
8761 (process_options): Check that -fsection-anchors is only used on
8762 targets that support it and when -funit-at-a-time is in effect.
8763 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8764 if the decl doesn't have one.
8765 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8766 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8767 of force_const_mem through use_anchored_address.
8768 (expand_expr_constant): New function.
8769 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8770 calling expand_expr for INDIRECT_REF.
8771 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8772 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8773 * expr.h (use_anchored_address): Declare.
8774 * loop-unroll.c: Don't declare rtx vectors here.
8775 * explow.c: Include output.h.
8776 (validize_mem): Call use_anchored_address.
8777 (use_anchored_address): New function.
8778 * common.opt (-fsection-anchors): New switch.
8779 * varasm.c (object_block_htab, anchor_labelno): New variables.
8780 (hash_section, object_block_entry_eq, object_block_entry_hash)
8781 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8782 (use_blocks_for_decl_p, change_symbol_section): New functions.
8783 (get_variable_section): New function, split out from assemble_variable.
8784 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8785 use_blocks_for_decl_p say so. Use change_symbol_section if the
8786 symbol has already been created.
8787 (assemble_variable_contents): New function, split out from...
8788 (assemble_variable): ...here. Don't output any code for
8789 block symbols; just pass them to place_block_symbol.
8790 Use get_variable_section and assemble_variable_contents.
8791 (get_constant_alignment, get_constant_section, get_constant_size): New
8792 functions, split from output_constant_def_contents.
8793 (build_constant_desc): Create a block symbol if use_object_blocks_p
8794 says so. Or into SYMBOL_REF_FLAGS.
8795 (assemble_constant_contents): New function, split from...
8796 (output_constant_def_contents): ...here. Don't output any code
8797 for block symbols; just pass them to place_section_symbol.
8798 Use get_constant_section and get_constant_alignment.
8799 (force_const_mem): Create a block symbol if use_object_blocks_p and
8800 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8801 (output_constant_pool_1): Add an explicit alignment argument.
8802 Don't switch sections here.
8803 (output_constant_pool): Adjust call to output_constant_pool_1.
8804 Switch sections here instead. Don't output anything for block symbols;
8805 just pass them to place_block_symbol.
8806 (init_varasm_once): Initialize object_block_htab.
8807 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8808 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8809 (place_block_symbol, get_section_anchor, output_object_block)
8810 (output_object_block_htab, output_object_blocks): New functions.
8811 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8812 (TARGET_ASM_OUT): Include it.
8813 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8814 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8815 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8816 (TARGET_INITIALIZER): Include them.
8817 * rtl.c (rtl_check_failed_block_symbol): New function.
8818 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8819 (block_symbol, object_block): New structures.
8820 (rtx_def): Add a block_symbol field to the union.
8821 (BLOCK_SYMBOL_CHECK): New macro.
8822 (rtl_check_failed_block_symbol): Declare.
8823 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8824 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8825 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8826 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8827 * output.h (output_section_symbols): Declare.
8828 (object_block): Name structure.
8829 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8830 (default_use_anchors_for_symbol_p): Declare.
8831 * Makefile.in (RTL_BASE_H): Add vec.h.
8832 (explow.o): Depend on output.h.
8833 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8834 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8835 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8836 (rs6000_use_blocks_for_constant_p): New function.
8838 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8840 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8842 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8845 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8848 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8850 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8854 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8857 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8858 instead of DECL_REGISTER.
8860 2006-02-18 Olivier Hainque <hainque@adacore.com>
8863 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8865 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8868 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8869 * opth-gen.awk: Handle Var and InverseMask together.
8870 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8871 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8872 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8873 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8875 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8876 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8877 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8878 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8879 LINUX_DYNAMIC_LINKER): Define.
8880 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8881 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8883 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8884 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8885 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8886 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8887 (TARGET_C99_FUNCTIONS): Don't define.
8888 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8889 GLIBC_DYNAMIC_LINKER.
8890 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8891 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8892 GLIBC_DYNAMIC_LINKER64): Define.
8893 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8894 LINUX_DYNAMIC_LINKER64.
8895 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8896 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8897 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8898 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8899 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8900 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8901 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8902 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8903 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8904 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8905 and LINUX_DYNAMIC_LINKER32.
8906 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8907 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8908 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8909 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8910 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8912 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8913 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8914 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8915 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8916 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8917 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8918 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8919 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8920 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8921 LINUX_DYNAMIC_LINKER): Define.
8922 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8923 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8924 GLIBC_DYNAMIC_LINKER64): Define.
8925 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8926 LINUX_DYNAMIC_LINKER64.
8927 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8928 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8929 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8930 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8931 LINUX_DYNAMIC_LINKER): Define.
8932 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8933 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8934 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8935 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8936 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8937 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8938 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8939 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8940 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8941 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8942 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8943 * doc/invoke.texi (-muclibc): Remove caveat about supported
8946 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8948 * doc/cpp.texi (__TIMESTAMP__): Document.
8950 2006-02-17 Roger Sayle <roger@eyesopen.com>
8953 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8954 C is one less than the width of X (and related transformations).
8955 * simplify-rtx.c (simplify_unary_operation_1): Transform
8956 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8957 depending on STORE_FLAG_VALUE, were C is one less then the
8960 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8962 Fix PR tree-optimization/26341
8963 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8964 about NAME_MEMORY_TAG's.
8966 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8969 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8970 with hardware float support, and software float support. Add fcpy
8971 alternative to hardware patterns. Add alternatives to copy between
8972 general and floating-point registers to the 32-bit pattern.
8973 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8974 secondary reload to load a QI or HI mode constant into a floating
8976 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8977 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8979 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8982 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8984 (load_macho_picbase_di): Likewise.
8986 2006-02-16 Jeff Law <law@redhat.com>
8988 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8989 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8990 (ssa_name_nonzero_p): Likewise.
8991 (get_value_range): Return NULL if VRP is not running.
8992 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8993 VRP routines do not discover a range.
8994 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8995 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8996 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8997 (tree_expr_nonnegative_p): Similarly.
8998 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8999 (restore_nonzero_vars_to_original_value): Remove.
9000 (unsafe_associative_fp_binop): Remove.
9001 (tree_ssa_dominator_optimize): Remove initialization and
9002 finalization of nonzero_vars and nonzero_vars_stack.
9003 (dom_opt_initialize_block): No longer push marker on
9005 (dom_opt_finalize_block): No longer call
9006 restore_nonzero_vars_to_original_value.
9007 (record_equivalences_from_phis): No longer look for
9008 nonzero PHI arguments.
9009 (cprop_into_successor_phis): No longer propagate nonzero
9010 property into PHI arguments. Lose unused argument. Caller
9012 (record_equivalences_from_stmt): No longer record nonzero
9013 values for SSA_NAMEs.
9014 (lookup_avail_expr): No longer use nonzero_vars.
9016 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9017 for sizetype when sizetype is unsigned.
9019 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9021 PR rtl-optimization/25603
9022 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9023 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9024 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9025 with new meaning of SETS.
9027 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9032 * config/linux.opt: New file.
9033 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9034 LINUX_DYNAMIC_LINKER): Define.
9035 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9036 * config.gcc (*-*-linux*): Define extra_options.
9037 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9038 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9039 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9040 GLIBC_DYNAMIC_LINKER.
9041 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9042 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9043 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9044 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9045 * doc/invoke.texi (GNU/Linux Options): New section.
9047 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9049 * config/sparc/sparc.md (setjmp): Rewrite.
9050 (setjmp_32): Delete.
9051 (setjmp_64): Likewise.
9053 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9055 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9058 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9060 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9063 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9065 PR rtl-optimization/26296
9066 * Makefile.in (loop-invariant.c): Add except.h dependency.
9067 * loop-invariant.c: Include except.h.
9068 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9070 2005-02-16 Paul Brook <paul@codesourcery.com>
9072 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9075 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9077 PR rtl-optimization/25636
9078 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9079 when deciding whether an insn is an initializing insn.
9081 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9083 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9084 (tree_code_size): Ditto.
9085 * tree.h (struct tree_memory_tag): Remove parent_var.
9086 (struct tree_struct_field_tag): New.
9089 (union tree_node): Add sft member.
9090 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9092 (create_sft): Add size and offset argument, set SFT_OFFSET and
9094 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9095 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9096 * tree-flow-inline.h (get_subvar_at): Update for
9097 SFT_OFFSET/SFT_SIZE.
9098 (var_can_have_subvars): Ditto.
9099 (overlap_subvar): Ditto.
9100 * print-tree.c (print_node): Print out interesting things for
9102 * tree-flow.h (struct subvar): Remove offset and size members.
9103 * tree-ssa-operands.c (get_expr_operands): Update for
9104 get_indirect_ref_operands changes.
9105 (get_indirect_ref_operands): Call add_virtual_operand instead of
9106 add_stmt_operand. Only recurse on base var if requested.
9107 (access_can_touch_variable): New function.
9108 (add_stmt_operand): Split virtual operand handling into ...
9109 (add_virtual_operand): Here. Add offset, size, and for_clobber
9110 arguments. Prune alias sets.
9111 (add_call_clobber_ops): Call add_virtual_operand.
9113 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9116 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9118 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9119 than TREE_CODE as index into omp_clause_num_ops array.
9121 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9123 PR rtl-optimization/26184
9124 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9126 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9127 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9128 must_precede, must_follow and tobe_scheduled.
9131 * opts.c (common_handle_option): Free new_option pointer.
9132 * df-core.c (df_analyze): Free postorder pointer.
9134 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9136 * Makefile.in: Fix the examples about the use of stamps
9138 2006-02-15 Michael Matz <matz@suse.de>
9142 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9143 influenced by maximum_field_alignment or DECL_PACKED.
9144 (update_alignment_for_field): Ditto.
9145 (place_field): Ditto.
9146 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9149 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9151 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9152 (debug_flow_info): Pass it.
9153 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9154 * bb-reorder.c (reorder_basic_blocks): Likewise.
9155 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9156 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9157 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9158 * gcse.c (gcse_main, bypass_jumps): Likewise.
9159 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9160 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9161 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9162 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9163 * rtl.h (dump_flow_info): Adjust prototype.
9164 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9165 * var-tracking.c (variable_tracking_main): Likewise.
9166 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9167 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9170 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9172 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9175 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9177 PR tree-optimization/26209
9178 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9179 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9181 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9183 2006-02-14 Roger Sayle <roger@eyesopen.com>
9186 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9187 (X,Y) and the corresponding symmetry related transformations.
9188 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9189 (X,Y) and its symmetry related transformations.
9191 2006-02-14 Roger Sayle <roger@eyesopen.com>
9193 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9196 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9198 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9200 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9203 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9204 support COMDAT group.
9205 * configure: Regenerate.
9207 2006-02-14 Roger Sayle <roger@eyesopen.com>
9212 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9214 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9216 Fix PR tree-optimization/26260
9218 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9220 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9221 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9222 * tree-ssa-structalias.c (create_variable_info_for): Use
9223 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9225 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9227 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9229 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9230 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9231 of the ending condition.
9232 * tree-ssa-loop-manip.c: Include params.h.
9233 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9234 tree_unroll_loop): New functions.
9235 * tree-pass.h (pass_loop_prefetch): Declare.
9236 * loop.c (rest_of_handle_loop_optimize): Test for
9237 -fprefetch-loop-arrays-rtl.
9238 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9239 * timevar.def (TV_TREE_PREFETCH): New timevar.
9240 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9241 pass_loop_prefetch): New.
9242 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9243 (cleanup_tree_cfg_loop): Call scev_reset.
9244 * common.opt (fprefetch-loop-arrays-rtl): Add.
9245 * tree-ssa-loop-prefetch.c: New file.
9246 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9247 (new_temp_expr_table): Initialize expr_vars.
9248 (free_temp_expr_table): Cleanup expr_vars.
9249 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9250 expressions from being merged into one.
9251 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9252 (struct tree_niter_desc): Add control, bound and cmp fields.
9253 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9255 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9256 (tree-cfgcleanup.o): Add SCEV_H dependency.
9257 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9258 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9260 2006-02-14 Richard Guenther <rguenther@suse.de>
9262 PR tree-optimization/26258
9263 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9264 in PHI argument processing.
9266 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9268 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9269 new expression in the requested machine mode.
9271 2006-02-13 Roger Sayle <roger@eyesopen.com>
9273 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9274 directly, instead let do_compare_rtx_and_jump handle this for us.
9275 * expr.c (expand_expr_real_1): Likewise.
9276 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9277 before do_jump_by_parts_greater.
9278 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9279 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9281 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9283 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9285 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9287 PR rtl-optimization/26235
9288 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9289 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9292 2006-02-13 Jeff Law <law@redhat.com>
9294 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9297 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9300 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9301 twice if decl is a builtin. When trying again, call get_callee_fndecl
9302 first to verify it is still a builtin.
9304 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9306 * dwarf2out.c (base_type_die): Don't add AT_name here.
9307 (subrange_type_die): Don't add AT_name here.
9308 (modified_type_die): Rearrange code flow. Do add AT_name here.
9310 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9312 PR rtl-optimization/26247
9313 PR rtl-optimization/26248
9314 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9316 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9318 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9319 * config/fixtfdi.c: Likewise.
9320 * config/fixunstfdi.c: Likewise.
9321 * config/floatditf.c: Likewise.
9323 2006-02-13 Roger Sayle <roger@eyesopen.com>
9326 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9327 into (X,C2) if C1 is a subset of the bits of C2. Transform
9328 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9330 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9332 2006-02-13 Josh Conner <jconner@apple.com>
9335 * varasm.c (function_section): Check for section name before
9336 calling select_section on targets that define
9337 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9338 unlikely_text_section instead of hot_function_section if
9339 first_function_block_is_cold.
9341 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9344 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9346 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9348 PR rtl-optimization/26222
9349 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9350 after tree->rtl expansion.
9351 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9352 before passing it to emit_move_insn.
9354 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9356 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9358 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9359 Clarify documentation.
9360 * c-common.h (warn_write_strings): Remove.
9361 * c-common.c (warn_write_strings): Likewise.
9362 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9365 2006-02-12 Roger Sayle <roger@eyesopen.com>
9368 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9369 (do_jump_parts_zero_rtx): New function renamed from
9370 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9371 (do_jump_parts_equality_rtx): New function split out from
9372 do_jump_parts_equality. Old implementation renamed as above.
9373 Call do_jump_parts_zero_rtx if either operand is zero.
9374 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9375 do all of the heavy lifting.
9376 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9377 calling either do_jump_by_parts_greater_rtx or
9378 do_jump_by_parts_equality_rtx.
9379 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9380 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9381 moved to do_compare_rtx_and_jump, call it directly.
9382 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9383 mode argument. Call do_compare_rtx_and_jump.
9384 (emit_case_nodes): Update calls to do_jump_if_equal.
9386 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9388 PR rtl-optimization/26225
9389 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9391 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9393 PR rtl-optimization/26232
9394 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9396 2006-02-11 Jason Merrill <jason@redhat.com>
9399 * tree-inline.c (declare_return_variable): Just don't use the
9400 modify target if it's a gimple complex reg and the return slot
9403 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9405 * doc/contrib.texi: Update my entry.
9407 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9409 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9411 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9413 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9416 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9418 * doc/invoke.texi (-floop-optimize2): Removed.
9419 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9420 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9421 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9422 * common.opt (floop-optimize2): Removed.
9423 (fmove-loop-invariants): Enabled by default.
9425 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9427 * tree-if-conv.c (combine_blocks): Free the result of
9428 get_loop_exit_edges.
9430 2006-02-10 Jeff Law <law@redhat.com>
9432 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9434 PR tree-optimization/26213
9435 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9436 loop trying to follow SSA_NAME_VALUE chains.
9438 2006-02-10 Richard Guenther <rguenther@suse.de>
9440 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9441 deal with structures that end in implicitly variable sized arrays.
9443 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9445 PR rtl-optimization/24762
9446 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9449 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9451 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9452 (struct ivopts_data): Add regs_used field.
9453 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9454 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9455 instead of loop_data->regs_used;
9456 (free_loop_data): Do not free aux fields for loops.
9457 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9458 and tree_ssa_iv_optimize_finalize.
9460 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9462 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9464 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9467 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9468 computing the effective result type.
9470 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9473 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9474 (tree_overlaps_hard_reg_set): Declare.
9475 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9476 type and signature to match function type expected by walk_tree.
9477 (tree_overlaps_hard_reg_set): New function.
9478 (decl_conflicts_with_clobbers_p): Rename to:
9479 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9480 Use tree_overlaps_hard_reg_set. Changed caller.
9481 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9482 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9483 * cris.c (cris_md_asm_clobbers): Likewise.
9485 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9487 * reload1.c (emit_input_reload_insns): Delete code that tries to
9488 inherit using find_equiv_reg.
9490 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9492 * c-common.h (flag_const_strings): Don't declare.
9493 * c-common.c (flag_const_strings): Remove.
9494 * c.opt (fconst_strings): Remove.
9495 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9496 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9497 (c_common_init_options): Don't set flag_const_strings.
9498 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9500 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9502 * arm.md (tlobits_cbranch): New pattern.
9503 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9504 testing a single bit.
9506 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9509 * tree-ssa-pre.c (create_component_ref_by_pieces):
9510 Handle RETURN_DECL like VAR_DECL.
9512 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9515 * fold-const.c (fold_indirect_ref_1): Fold
9516 "*(foo *)&complexfoo" to "__real__ complexfoo"
9517 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9519 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9521 * tree-flow-inline.h (var_can_have_subvars):
9522 Volatile variables should not have subvariables.
9524 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9527 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9528 multiplying unsigned values.
9531 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9533 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9535 2006-02-08 Jason Merrill <jason@redhat.com>
9538 * tree.def: Elaborate on difference from MODIFY_EXPR.
9539 * doc/c-tree.texi (INIT_EXPR): Likewise.
9540 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9541 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9542 (gimplify_target_expr): Likewise.
9543 (gimplify_cond_expr): Remove target handling.
9544 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9545 (gimplify_expr): Clobber it here.
9546 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9547 Do return slot optimization if we have an INIT_EXPR.
9550 * tree-inline.c (declare_return_variable): Also clear
9551 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9554 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9557 * gimplify.c (gimplify_one_sizepos): Fix typo.
9559 2006-02-08 Jeff Law <law@redhat.com>
9561 PR tree-optimization/21417
9562 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9563 across a backedge if the control statement at the end of the
9564 block is data dependent on other statements in the same block.
9565 (record_temporary_equivalences_from_stmts): Remove over-conservative
9566 test for threading across backedges.
9568 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9569 control statement, handle all three special cases in the same
9570 manner as they all have the same desired solution. No longer
9571 special case edge flag updating when the post dominator is
9574 2006-02-08 Roger Sayle <roger@eyesopen.com>
9576 * tree.def (CHAR_TYPE): Remove.
9577 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9578 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9579 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9580 (gen_string_type_die): Delete unreachable function.
9582 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9583 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9584 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9585 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9586 * builtins.c (type_to_class): Likewise.
9587 * fold-const.c (fold_convert, build_range_check,
9588 merge_ranges): Likewise.
9589 * expr.c (count_type_elements): Likewise.
9590 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9591 * stor-layout.c (layout_type): Likewise.
9592 * ipa-type-escape.c (type_to_consider): Likewise.
9593 * gimplify.c (omp_firstprivatize_type_sizes,
9594 gimplify_type_sizes): Likewise.
9595 * explow.c (promote_mode): Likewise.
9596 * tree-sra.c (is_sra_scalar_type): Likewise.
9597 * varasm.c (output_constant): Likewise.
9598 * tree-inline.c (remap_type_1): Likewise.
9599 * convert.c (convert_to_pointer, convert_to_real,
9600 convert_to_integer, convert_to_complex): Likewise.
9602 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9604 * df-scan.c (df_def_record_1): A set destination may
9605 be a parallel regardless of mode.
9607 2006-02-08 Roger Sayle <roger@eyesopen.com>
9610 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9611 * config/mips/_tilib.c: Remove.
9612 * config/fixtfdi.c: New libgcc source file.
9613 * config/fixunstfdi.c: New source file.
9614 * config/floatditf.c: New source file.
9615 * config/floatunditf.c: New souce file.
9616 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9617 files above instead of config/mips/_tilib.c.
9618 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9620 2006-02-08 Jeff Law <law@redhat.com>
9622 PR tree-optimization/26169
9623 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9626 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9628 * df.h (DF_REG_SIZE): Return the length of the initialized
9631 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9633 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9634 __muldf3): Return a correctly signed zero.
9636 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9638 * passes.c (register_one_dump_file): Accept the current properties
9639 instead of pass number. Adjust call to dump_register. Remove
9641 (register_dump_files): Now a wrapper around...
9642 (register_dump_files_1): ... this one. Do not modify the pass
9644 (next_pass_1): Cosmetic fix.
9645 (execute_todo): Keep second parameter only. Use curr_properties
9646 instead of fetching it from the pass structure. Check and set
9648 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9649 instead of fetching it from the pass structure. Fix calls to
9650 execute_todo. Update curr_properties and initialize .vcg RTL dump
9651 after running the pass. Reset last_verified.
9652 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9654 (FIRST_AUTO_NUMBERED_DUMP): New.
9655 (dump_register): Remove "num" parameter, assign it within the
9657 (get_dump_file_name): Modify template for dumps.
9658 * tree-dump.h (dump_register): Adjust prototype.
9659 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9660 (PROP_trees): Add PROP_gimple_lomp.
9661 (TODO_set_props): New.
9662 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9663 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9664 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9666 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9668 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9669 (sparc64-*-linux*): Likewise.
9670 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9671 * config/sparc/t-linux: New file.
9672 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9673 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9674 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9675 -m32 -mlong-double-128.
9677 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9678 * config/alpha/t-linux: New file.
9679 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9681 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9682 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9683 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9684 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9685 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9686 (CPP_ARCH32_SPEC): Remove.
9688 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9690 PR tree-optimization/26145
9691 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9694 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9697 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9698 >= 240000 when generating code for SOM runtime.
9699 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9700 to $$dyncall when generating code for SOM runtime..
9702 2006-02-07 Dirk Mueller <dmueller@suse.com>
9705 * doc/invoke.texi (-Wsequence-point): Update documentation
9706 that -Wsequence-point is implemented for C++ as well.
9708 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9710 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9711 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9712 (LIB_SPEC): Likewise.
9713 * doc/invoke.texi (SPARC options): Document -pthread.
9715 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9717 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9720 2006-02-07 Roger Sayle <roger@eyesopen.com>
9722 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9723 Correct comment describing BOOLEAN_TYPE.
9725 2006-02-07 Dirk Mueller <dmueller@suse.com>
9727 * c.opt: C++ frontend supports -Wdiv-by-zero.
9728 * c-opts.c (c_common_handle_option): Remove dead case.
9730 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9732 * configure.ac (TLS assembler check): Do not enable TLS by
9733 default on SPARC/Solaris before version 10.
9734 * configure: Regenerate.
9736 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9738 * doc/invoke.texi (xl-compat): Document conversion and support
9741 2006-02-07 Jeff Law <law@redhat.com>
9743 * tree-vrp.c (find_conditional_asserts): Update comments.
9744 (simplify_stmt_for_jump_threading): New.
9745 (identify_jump_threads, finalize_jump_threads): New.
9746 (vrp_finalize): Call identify_jump_threads.
9747 (execute_vrp): Call finalize_jump_threads.
9748 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9749 (vrp_element, vrp_data, vrp_element_p): Remove.
9750 (vrp_hash_elt, vrp_variables_stack): Remove.
9751 (vrp_hash, vrp_eq, record_range): Remove.
9752 (simplify_cond_and_lookup_avail_expr): Remove.
9753 (extract_range_from_cond): Remove.
9754 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9755 (simplify_stmt_for_jump_threading): New.
9756 (dom_thread_across_edge): New wrapper.
9757 (tree_ssa_dominator_optimize): No longer initialize or
9758 finalize any of the VRP datastructures. Remove iteration
9759 step and simplify as a result of removal of iteration step.
9760 (pass_dominator): Perform a cfg cleanup after DOM.
9761 (dom_opt_finalize_block): Use the new common routines
9762 for threading jumps. Simplify stack management slightly.
9763 No longer need to unwind VRP state.
9764 (record_equivalences_from_incoming_edge): No longer record
9766 (eliminate_redundant_computations): No longer call
9767 simplify_cond_and_lookup_avail_expr.
9768 * tree-flow.h (potentially_threadable_block): Prototype.
9769 (thread_across_edge): Likewise.
9770 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9771 (tree-ssa-threadedge.o): Add dependencies.
9772 * tree-ssa-threadedge.c: New file.
9773 * passes.c (init_optimization_passes): Merge PHIs before
9774 calling VRP. Run VRP again late in the SSA optimization pipeline.
9776 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9778 * df-core.c (df_set_blocks): Do not dereference function pointers.
9779 (df_finish1): Likewise.
9780 (df_hybrid_search_forward): Likewise.
9781 (df_hybrid_search_backward): Likewise.
9782 (df_iterative_dataflow): Likewise.
9783 (df_analyze_problem): Likewise.
9784 (df_compact_blocks): Likewise.
9785 (df_dump): Likewise.
9786 * df-scan.c (df_rescan_blocks): Likewise.
9787 (df_record_entry_block_defs): Likewise.
9789 * genconditions.c (write_conditions): Guard the definition of
9790 'insn_conditions' with the check on GCC version.
9791 (write_writer): Guard the traversal 'insn_conditions' with
9792 the check on GCC version.
9794 2006-02-07 Richard Guenther <rguenther@suse.de>
9798 2006-01-30 Richard Guenther <rguenther@suse.de>
9800 * gimplify.c (gimplify_target_expr): Handle easy cases
9801 without creating a temporary.
9803 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9805 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9806 use of float in probability computations. Use edge probabilities
9807 in place of statically computed probabilities.
9808 (min_spec_prob): New static variable.
9809 (schedule_insns): Initialize it.
9810 (GET_SRC_PROB): Removed.
9811 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9813 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9816 * config/ia64/unwind-ia64.c: Revert last change.
9817 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9818 (INCOMING_FRAME_SP_OFFSET): Define.
9820 2006-02-06 Roger Sayle <roger@eyesopen.com>
9822 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9824 2006-02-07 Ben Elliston <bje@au.ibm.com>
9826 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9827 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9828 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9829 (ix86_return_in_memory): Handle TDmode.
9830 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9831 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9833 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9835 * reorg.c (dbr_schedule): Use dump_file instead of file.
9837 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9840 * config/ia64/predicates.md (extr_len_operand): New predicate.
9841 * config/ia64/ia64.md (extv): Tighten constraints.
9843 (*tbit_and_2): Ditto.
9844 (*tbit_and_3): Ditto.
9845 (*tbit_or_2): Ditto.
9846 (*tbit_or_3): Ditto.
9850 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9853 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9855 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9857 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9858 loop_optimizer_init and loop_optimizer_finalize
9859 * tree-ssa-sink.c (execute_sink_code): Ditto.
9860 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9861 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9862 tree_ssa_loop_done): Ditto.
9863 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9864 * sched-ebb.c: Include output.h.
9865 (schedule_ebbs): Do not use dump argument.
9866 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9867 * loop.c (loop_dump_stream): Removed.
9868 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9870 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9871 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9872 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9873 loop_iterations, strength_reduce, record_biv, record_giv,
9874 final_giv_value, check_final_value, check_ext_dependent_givs,
9875 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9876 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9877 dump_file instead of loop_dump_stream.
9878 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9880 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9882 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9883 * haifa-sched.c: Include output.h
9884 (schedule_insns, sched_init): Do not use dump argument.
9885 * mode-switching.c (optimize_mode_switching): Ditto.
9886 * modulo-sched.c (stats_file): Removed.
9887 (print_node_sched_params): Do not call argument dump_file.
9888 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9889 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9891 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9893 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9894 rtl_loop_init, rtl_loop_done): Ditto.
9895 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9896 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9898 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9899 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9900 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9901 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9902 * emit-rtl.c (renumber_insns): Ditto.
9903 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9904 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9905 * regclass.c (regclass): Ditto.
9906 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9907 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9908 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9909 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9911 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9912 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9914 * gcse.c (gcse_file, debug_stderr): Removed.
9915 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9916 rest_of_handle_gcse): Do not use dump argument.
9917 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9918 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9919 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9920 compute_code_hoist_vbeinout, compute_code_hoist_data,
9921 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9922 compute_store_table, build_store_vectors, insert_insn_start_bb,
9923 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9924 store_motion): Use dump_file instead of gcse_file.
9925 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9926 * profile.c (profile_dump_file): Removed.
9927 (branch_prob): Use dump_file instead of profile_dump_file.
9928 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9930 * tree-ssa-copy.c (dump_copy_of): Ditto.
9931 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9932 dump file to life_analysis.
9933 * bt-load.c (branch_target_load_optimize): Ditto.
9934 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9936 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9937 regclass, dbr_schedule): Declaration changed.
9938 * sched-int.h (sched_init): Declaration changed.
9939 * tree-profile.c (tree_profile_dump_file): Removed.
9940 (tree_profile_hooks): Removed profile_dump_file hook.
9941 * rtl-profile (rtl_profile_dump_file): Removed.
9942 (rtl_profile_hooks): emoved profile_dump_file hook.
9943 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9945 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9946 * tree-cfg.c (build_tree_cfg): Ditto.
9947 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9948 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9949 Declaration changed.
9950 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9951 life_analysis and schedule_insns.
9952 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9954 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9956 * config/mips/mips.c (mips_reorg): Ditto.
9957 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9960 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9962 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9963 (s390_mangle_fundamental_type): New.
9964 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9967 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9968 (alpha_mangle_fundamental_type): New.
9969 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9972 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9974 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9976 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9977 (sparc_mangle_fundamental_type): New.
9979 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9981 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9982 (s390x-*-linux*): Likewise.
9983 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9984 * config/s390/t-linux: New file.
9986 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9988 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9989 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9991 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9993 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9994 (ANTIC_SAFE_LOADS): New macro.
9995 (find_or_generate_expression): Add prototype.
9996 (set_contains_value): Allow null set for sake of not always having
9997 to allocate ANTIC_SAFE_LOADS.
9998 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9999 Allow COMPONENT_REF too.
10000 (valid_in_set): Allow COMPONENT_REF.
10001 Check ANTIC_SAFE_LOADS too.
10002 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10003 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10005 (can_PRE_operation): Add COMPONENT_REF.
10006 (create_component_ref_by_pieces): New function.
10007 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10008 (insert_aux): Move AGGREGATE_TYPE_P check here.
10009 (compute_avail): Set bb local stmt uids.
10010 (pass_pre): Use TODO_update_ssa_only_virtuals.
10012 2006-02-06 Ben Elliston <bje@au.ibm.com>
10014 * configure.ac: Unconditionally disable decimal float by default.
10015 * configure: Regenerate.
10017 2006-02-06 Ben Elliston <bje@au.ibm.com>
10019 * read-rtl.c (read_name): Terminate reading on EOF.
10021 2006-02-06 Ben Elliston <bje@au.ibm.com>
10023 * dfp.c (decimal_real_arithmetic): Change second argument type
10024 from int to enum tree_code. Do not always return true, but now
10025 return result of any call to decimal_do helper functions.
10026 * dfp.h (decimal_real_arithmetic): Update prototype.
10028 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10030 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10032 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10035 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10038 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10040 * tree-vrp.c (cfg_loops): Removed.
10041 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10042 Use current_loops instead of cfg_loops. Pass flags to
10043 loop_optimizer_init.
10044 * cfgloopmanip.c (fix_loop_structure): Update only available
10046 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10047 loop_optimizer_init.
10048 * modulo-sched.c (build_loops_structure): Removed.
10049 (sms_schedule): Use loop_optimizer_init.
10050 * loop-init.c (loop_optimizer_init): Use flags to determine
10051 which properties of loops to prepare.
10052 (rtl_loop_init): Pass flags to loop_optimizer_init.
10053 * tree-ssa-sink.c (execute_sink_code): Ditto.
10054 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10055 * tree-ssa-pre.c (init_pre): Ditto.
10056 * cfgloop.h (LOOPS_NORMAL): New.
10057 (loop_optimizer_init): Declaration changed.
10059 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10061 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10062 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10064 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10066 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10068 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10069 * pa/t-pa64: Delete quadlib.c rule.
10070 * pa/x-ada: Revert last change.
10071 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10073 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10075 PR rtl-optimization/26087
10076 * rtlanal.c (canonicalize_condition): Do not cross basic block
10079 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10082 * config/ia64/ia64.c: Include debug.h.
10083 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10084 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10085 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10086 (process_epilogue, process_set, process_for_unwind_directive):
10087 Output unwind info only if requested. Add CFA info if requested.
10088 Add new arguments as needed. Adjust callers.
10089 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10091 (DWARF2_FRAME_INFO): Define to zero.
10092 * config/ia64/unwind-ia64.c: Remove code that compensated for
10093 the CFA offset error fixed above.
10094 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10095 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10096 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10097 -funwind-tables and -fexceptions to enable frame info.
10098 (dwarf2out_frame_init): Define initial CFA even if
10099 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10100 DWARF2_UNWIND_INFO is nonzero, not just defined.
10101 (dwarf2out_frame_finish): Output non-EH call frame info only
10102 if DWARF2_FRAME_INFO is nonzero.
10103 (convert_cfa_to_loc_list,
10104 compute_frame_pointer_to_cfa_displacement): Define even if
10105 unwind info is not supported.
10106 (gen_subprogram_die): Use the above unconditionally. Remove
10107 legacy alternate code.
10108 * toplev.c (compile_file): Compile in call to
10109 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10110 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10112 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10113 Jakub Jelinek <jakub@redhat.com>
10115 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10116 IBM extended float format long double as "g" on powerpc*-linux.
10118 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10121 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10122 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10124 2006-02-03 Jason Merrill <jason@redhat.com>
10127 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10129 PR middle-end/25977
10130 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10131 on the return slot if it's an NRV.
10133 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10135 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10136 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10137 rewrite_use): Do not handle USE_OUTER.
10138 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10139 add_iv_outer_candidates, may_replace_final_value,
10140 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10141 (find_interesting_uses_op): Functionality of
10142 find_interesting_uses_outer_or_nonlin moved here.
10143 (find_interesting_uses_outside): Use find_interesting_uses_op.
10145 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10148 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10150 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10151 Ulrich Weigand <uweigand@de.ibm.com>
10154 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10155 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10156 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10157 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10159 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10160 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10161 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10162 Define secondary reloads for TFmode moves.
10163 (constant_modes): Add TFmode.
10164 (NR_C_MODES): Set to 8.
10165 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10167 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10168 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10169 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10170 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10171 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10172 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10173 (FPR mode macro): Add TFmode.
10174 (DSF mode macro): New.
10175 (<de>, <dee> mode attributes): Removed.
10176 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10177 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10178 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10179 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10180 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10181 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10182 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10183 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10184 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10185 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10186 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10187 "*negabs<mode>2", "sqrt<mode>2"):
10188 Changed <de> to <xde>. R constraint replaced by <Rf>.
10189 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10191 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10192 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10193 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10195 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10196 "extenddftf2", "extendsftf2"): New expanders.
10197 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10198 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10199 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10200 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10202 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10203 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10204 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10205 __floatditf): Add a GCC_4.1.0 symbol version tag.
10206 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10209 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10212 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10213 Use targetm.binds_local_p instead of TREE_PUBLIC.
10215 2006-02-02 Roger Sayle <roger@eyesopen.com>
10217 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10218 on INTEGER_TYPEs to indicate that it denotes a character type.
10219 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10220 signed_char_type_node, unsigned_char_type_node and char_type_node.
10221 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10222 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10223 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10225 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10226 Daniel Berlin <dberlin@dberlin.org>
10228 * tree-tailcall.c (arg_needs_copy_p): New function.
10229 (eliminate_tail_call): Use arg_needs_copy_p.
10230 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10231 (add_virtual_phis): New function.
10233 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10235 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10236 #ignore instead of #scratch for %g7 .register directive.
10238 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10240 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10243 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10245 * flow.c (calculate_global_regs_live): Assert that there aren't any
10248 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10250 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10251 what its name says.
10252 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10253 bsi_after_labels iterator.
10254 * tree-if-conv.c (find_phi_replacement_condition,
10255 replace_phi_with_cond_modify_expr): Likewise.
10256 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10257 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10259 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10261 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10263 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10266 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10267 array after growing it.
10269 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10271 PR middle-end/24901
10272 * fold-const.c (fold_checksum_tree): Change type of buf.
10274 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10276 * reload.c (push_secondary_reload): Initialize t_icode.
10278 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10280 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10281 -msoft-float -mlong-double-128 only issue a warning, but don't
10282 swich to DFmode long double.
10284 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10286 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10287 has a constant equivalent, iterate over equivalents for arg0,
10288 calling simplify_relational_operation and if there's a result
10289 cheaper than X, apply fold_rtx and return the result.
10291 2006-02-01 Jan Hubicka <jh@suse.cz>
10293 * opts.c (no_unit_at_a_time_default): New global variable.
10294 (decode_options): Use it.
10295 * opts.h (no_unit_at_a_time_default): Declare.
10297 2006-02-01 Paul Brook <paul@codesourcery.com>
10299 * function.c (assign_parm_setup_reg): Use function argument promotion
10301 * expr.c (expand_expr_real_1): Use function argument promotion rules
10304 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10306 * gcc.c (process_command): Change j to 'unsigned int'.
10308 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10310 PR middle-end/26001
10311 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10312 Use the corrected index for the character
10313 out of the string constant.
10315 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10317 * mode-switching.c (optimize_mode_switching): Fix size
10318 allocated for bb_info[n_entities].
10320 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10322 * gcc.c (main): Correct type that is allocated for
10323 explicit_link_files.
10325 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10327 * config/s390/s390.c (init_alignment_context): Set
10328 ALIAS_SET_MEMORY_BARRIER on the MEM.
10329 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10331 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10333 PR middle-end/25933
10334 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10336 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10339 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10341 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10342 * regrename.c: Ditto.
10343 * tree-ssa-loop-im.c: Ditto.
10344 * tree-dump.c: Ditto.
10345 * tree-complex.c: Ditto.
10346 * genrecog.c: Ditto.
10347 * tree-ssa-threadupdate.c: Ditto.
10349 * java/class.c: Ditto.
10350 * java/jcf-parse.c: Ditto.
10351 * java/resource.c: Ditto.
10352 * java/except.c: Ditto.
10353 * java/jvspec.c: Ditto.
10354 * java/jcf-write.c: Ditto.
10355 * java/jcf-path.c: Ditto.
10356 * java/gjavah.c: Ditto.
10357 * java/zextract.c: Ditto.
10358 * java/jcf-io.c: Ditto.
10359 * java/jcf.h: Ditto.
10360 * java/buffer.c: Ditto.
10361 * java/lang.c: Ditto.
10362 * java/parse-scan.y: Ditto.
10363 * java/lex.c: Ditto.
10364 * java/lex.h: Ditto.
10365 * cfgloopmanip.c: Ditto.
10366 * postreload-gcse.c: Ditto.
10367 * tree-ssa-loop-manip.c: Ditto.
10368 * postreload.c: Ditto.
10369 * tree-ssa-loop-ch.c: Ditto.
10372 * cppspec.c: Ditto.
10373 * diagnostic.c: Ditto.
10375 * genoutput.c: Ditto.
10377 * cfghooks.c: Ditto.
10378 * cfgloopanal.c: Ditto.
10379 * objc/objc-act.c: Ditto.
10381 * genextract.c: Ditto.
10382 * genautomata.c: Ditto.
10383 * pretty-print.c: Ditto.
10384 * genemit.c: Ditto.
10385 * cgraphunit.c: Ditto.
10387 * df-scan.c: Ditto.
10388 * haifa-sched.c: Ditto.
10389 * dominance.c: Ditto.
10391 * tree-ssa-loop-ivopts.c: Ditto.
10392 * df-core.c: Ditto.
10393 * mode-switching.c: Ditto.
10394 * modulo-sched.c: Ditto.
10396 * ipa-pure-const.c: Ditto.
10398 * fix-header.c: Ditto.
10400 * tree-stdarg.c: Ditto.
10401 * ipa-utils.c: Ditto.
10402 * loop-init.c: Ditto.
10403 * ipa-inline.c: Ditto.
10404 * cfganal.c: Ditto.
10406 * alloc-pool.c: Ditto.
10407 * dwarf2out.c: Ditto.
10409 * genattrtab.c: Ditto.
10410 * tree-ssa-loop-ivcanon.c: Ditto.
10411 * predict.c: Ditto.
10412 * timevar.c: Ditto.
10414 * fortran/gfortranspec.c: Ditto.
10415 * regmove.c: Ditto.
10416 * local-alloc.c: Ditto.
10417 * langhooks.c: Ditto.
10418 * function.c: Ditto.
10419 * tree-vectorizer.c: Ditto.
10421 * ipa-type-escape.c: Ditto.
10423 * tree-if-conv.c: Ditto.
10424 * profile.c: Ditto.
10426 * tree-data-ref.c: Ditto.
10427 * loop-unroll.c: Ditto.
10428 * treelang/treetree.c: Ditto.
10430 * bt-load.c: Ditto.
10431 * ggc-common.c: Ditto.
10433 * coverage.c: Ditto.
10435 * tree-cfgcleanup.c: Ditto.
10436 * tree-ssa-pre.c: Ditto.
10437 * cfgcleanup.c: Ditto.
10438 * loop-invariant.c: Ditto.
10439 * loop-iv.c: Ditto.
10440 * ipa-prop.c: Ditto.
10441 * print-tree.c: Ditto.
10442 * conflict.c: Ditto.
10443 * ggc-page.c: Ditto.
10444 * sched-deps.c: Ditto.
10445 * regclass.c: Ditto.
10446 * tree-object-size.c: Ditto.
10447 * combine.c: Ditto.
10448 * bb-reorder.c: Ditto.
10449 * resource.c: Ditto.
10450 * var-tracking.c: Ditto.
10451 * cfgloop.c: Ditto.
10452 * df-problems.c: Ditto.
10453 * reg-stack.c: Ditto.
10455 * gccspec.c: Ditto.
10456 * sched-rgn.c: Ditto.
10457 * tree-ssa-structalias.c: Ditto.
10458 * tree-ssa-reassoc.c: Ditto.
10459 * config/darwin-c.c: Ditto.
10460 * config/darwin.c: Ditto.
10461 * config/arm/arm.c: Ditto.
10463 * collect2.c: Ditto.
10464 * reload1.c: Ditto.
10466 2006-01-31 Nicolas Pitre <nico@cam.org>
10468 * arm.md (smaxsi3): Make aware of smax_m1.
10471 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10473 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10475 2006-01-31 Richard Guenther <rguenther@suse.de>
10477 * doc/invoke.texi (-msselibm): Document.
10478 * target.h (expand_library_builtin): New target hook.
10479 * builtins.c (expand_builtin): Use expand_library_builtin.
10480 (default_expand_library_builtin): New function.
10481 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10482 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10483 (link_gcc_math_spec): Declare.
10484 (static_specs): Add link_gcc_math_spec.
10485 * expr.h (default_expand_library_builtin): Declare.
10486 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10487 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10488 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10489 * config/i386/i386.opt (msselibm): New target option.
10490 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10491 (ix86_init_sse_abi_builtins): New function.
10492 (ix86_expand_library_builtin): Likewise.
10493 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10494 (override_options): Handle error conditions wrt -msselibm.
10495 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10496 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10497 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10500 2006-01-31 Richard Guenther <rguenther@suse.de>
10501 Paolo Bonzini <bonzini@gnu.org>
10503 * doc/install.texi (--disable-libgcc-math): Document.
10505 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10507 * expr.h (expand_normal): new inline function.
10508 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10509 * dojump.c: use it.
10510 * dwarf2out.c: use it.
10513 * expmed.c: use it.
10514 * except.c: use it.
10515 * config/sparc/sparc.c: use it.
10516 * config/i386/i386.c: use it.
10517 * config/rs6000/rs6000.c: use it.
10518 * config/arm/arm.c: use it.
10519 * config/mips/mips.c: use it.
10520 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10522 2006-01-30 Roger Sayle <roger@eyesopen.com>
10524 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10525 argv to the appropriate type.
10527 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10529 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10532 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10535 * config/s390/s390.c (struct machine_function): New flag
10536 decomposed_literal_pool_addresses_ok_p.
10537 (s390_reorg): Set it before final stage of literal pool transforms.
10538 (s390_decompose_address): Only accept displacements of the form
10539 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10541 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10543 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10544 the comparison routine return.
10546 2006-01-30 Michael Matz <matz@suse.de>
10548 * global.c (find_reg): Only evict for global regs.
10549 Take n_refs into account and dump more info.
10551 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10554 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10555 (pragma_trap, pragma_nosave_low_regs): Likewise.
10556 (current_function_anonymous_args): Likewise.
10557 (sh_deferred_function_attributes): New variable.
10558 (sh_deferred_function_attributes_tail): Likewise.
10559 (print_operand): For '@', look up trap_exit attribute.
10560 (calc_live_regs): Look up trapa_handler attribute. For trapa
10561 handlers, save/restore fpscr, but don't do any other
10562 interrupt-specific saves.
10563 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10564 Fix check for partially saved registers to check for SHmedia.
10565 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10566 (sh_output_function_epilogue): Don't clear any of the removed
10568 (sh_insert_attributes): Don't check pragma_interrupt.
10569 Insert deferred attributes. Check that interrupt attribute is
10570 present for other attributes that require its presence.
10571 (sh_attribute_table): Add new attributes trapa_handler and
10573 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10574 Don't check for pragma_interrupt. Don't store argument.
10575 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10576 (sh_deferred_function_attributes): Declare.
10577 (sh_deferred_function_attributes_tail): Likewise.
10578 * sh.md (sp_switch_1): Add operand. Change generator caller.
10579 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10580 (*return_i): Don't use when trap_exit attribute is in effect.
10581 (*return_trapa): New insn pattern.
10582 * sh-c.c: New file.
10583 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10584 setting c_target_objs and cxx_target_objs.
10585 * t-sh: Add rule for sh-c.o.
10587 2006-01-30 Richard Guenther <rguenther@suse.de>
10590 * gimplify.c (gimplify_target_expr): Handle easy cases
10591 without creating a temporary.
10593 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10595 * vec.h (safe_grow): Remove duplicated line.
10597 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10600 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10601 (expand_omp): ... here.
10602 (expand_omp_parallel): Only remove barriers for combined
10603 parallel+workshare constructs.
10605 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10609 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10610 * tree.c (build_qualified_type): Chain the new type to the original
10611 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10612 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10613 (build_pointer_type_for_mode): Only return unqualified types.
10614 (build_reference_type_for_mode): Likewise.
10616 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10618 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10619 * Makefile.in (CXX_COMPAT_WARN): Define.
10620 * configure: Regenerate.
10622 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10625 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10628 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10630 * toplev.c: Fix thinko.
10632 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10633 Marcin Dalecki <martin@dalecki.de>
10635 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10636 (push_srcloc): Use XNEW.
10637 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10639 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10641 * df-core.c (df_set_blocks): Deleted all variable.
10643 2006-01-28 Ian Lance Taylor <ian@airs.com>
10645 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10646 cgraph_output_pending_asms.
10648 2006-01-28 Zack Weinberg <zackw@panix.com>
10650 * c.opt: Add -W(no-)overlength-strings.
10651 * doc/invoke.texi: Document it.
10652 * c-opts.c (c_common_handle_option): -pedantic implies
10653 -Woverlength-strings, if not explicitly disabled already.
10654 (c_common_post_options): -Woverlength-strings defaults to off, and
10655 is always off for C++.
10656 * c-common.c (fix_string_type): Issue warning about strings longer
10657 than is portable only if warn_overlength_strings. Rearrange code
10658 a little for clarity.
10659 * configure.in: Check for -Wno-overlength-strings as well before
10660 enabling -pedantic in stage 1.
10661 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10662 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10664 * genconditions.c (write_header, write_one_condition)
10665 (write_conditions, write_writer): Consolidate very long strings
10666 that were broken up to fit in C89 portable limit. Don't use
10667 printf when fputs will do.
10669 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10671 * combine.c (simplify_comparison <AND>): Check
10672 TRULY_NOOP_TRUNCATION before start using a subreg.
10674 * config/mips/mips.md (*branch_zero<mode>,
10675 *branch_zero<mode>_inverted, *branch_equality<mode>,
10676 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10677 Remove mode check from comparisons.
10679 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10681 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10683 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10685 * expmed.c (const_mult_add_overflow_p): Remove.
10686 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10688 * recog.c (validate_replace_rtx_subexp): Remove.
10689 * recog.h: Remove the prototype for
10690 validate_replace_rtx_subexp.
10692 * integrate.h: Remove the prototype for
10693 copy_decl_for_inlining.
10694 * rtl.h: Remove the prototype for mark_constant_function.
10695 * tree-vectorizer.h: Remove the prototype for
10696 vect_strip_conversion.
10698 * modulo-sched.c (create_partial_schedule,
10699 free_partial_schedule, reset_partial_schedule): Make them
10702 * hooks.c (hook_bool_rtx_int_false): Remove.
10703 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10705 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10707 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10708 and -mlong-double-128 are incompatible.
10709 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10710 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10711 (TARGET_LIBGCC2_CFLAGS): Define.
10712 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10713 (TARGET_LIBGCC2_CFLAGS): Same.
10714 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10716 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10719 * c-typeck.c (build_binary_op): Perform implicit casts of
10720 operands before shortening them.
10722 * cfgloopmanip.c (split_loop_bb): Remove.
10723 * cfgloop.h: Remove the prototype for split_loop_bb.
10725 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10726 * cfgloop.h: Remove the prototype for
10727 flow_loop_outside_edge_p.
10729 * emit-rtl.c (init_virtual_regs): Make it static.
10730 * function.h: Remove the prototype for init_virtual_regs.
10732 * recog.c (peephole2_optimize): Make it static.
10733 * recog.h: Remove the prototype for peephole2_optimize.
10735 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10737 * df-scan.c (df_record_entry_block_defs): Check if
10738 INCOMING_RETURN_ADDR_RTX is defined.
10740 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10741 Kenneth Zadeck <zadeck@naturalbridge.com>
10743 PR rtl-optimization/24762
10744 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10745 * targhooks.c (hook_void_bitmap): New hook prototype.
10746 * targhoohs.h (hook_void_bitmap): Ditto.
10747 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10748 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10749 * target.h (live_on_entry): New function pointer.
10750 * df-scan.c (df_all_hard_regs): Removed.
10751 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10752 (df_scan_free_internal): Added df->entry_block_defs.
10753 (df_scan_alloc): Ditto.
10754 (df_scan_dump): Ditto.
10755 (df_uses_record): Plumbed flag field properly thru calls.
10756 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10757 This part fixes PR24762.
10758 (df_bb_refs_record): Added code to make the frame and arg
10759 pointers live in EH blocks.
10760 (df_refs_record): Added call to df_record_entry_block_defs.
10761 (df_record_entry_block_defs): New function.
10762 * df-core.c: Added comments to describe new artifical defs.
10763 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10764 (entry_block_defs): New field in struct df.
10765 (df_all_hard_regs): Deleted.
10766 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10767 * df-problems.c (df_ru_bb_local_compute_process_def):
10768 Added code to handle artifical defs in the entry to a function.
10769 (df_ru_bb_local_compute): Ditto.
10770 (df_rd_bb_local_compute_process_def): Ditto.
10771 (df_rd_bb_local_compute): Ditto.
10772 (df_lr_bb_local_compute): Ditto.
10773 (df_ur_bb_local_compute): Ditto.
10774 (df_urec_bb_local_compute): Ditto.
10775 (df_chain_create_bb): Ditto.
10776 (df_ur_local_finalize): Removed entry.
10777 (df_urec_init): Ditto.
10778 (df_urec_local_finalize): Ditto.
10779 (df_ri_bb_compute): Added detection of last use of pseudos.
10780 * Makefile.in (df-scan.o): Updated dependencies.
10781 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10782 * config/mips/mips.c (mips_set_live_on_entry): Added.
10783 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10785 * dce.c (marked_insn_p): Added code to handle artifical defs.
10787 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10789 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10791 (_mm_cvtsi128_si64): Likewise.
10792 (_mm_cvtsd_si64): Likewise.
10793 (_mm_cvttsd_si64): Likewise.
10794 (_mm_cvtsi64_sd): Likewise.
10795 (_mm_cvtsi64_si128): Likewise.
10796 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10797 (_mm_cvtsi64_m64): Likewise.
10798 (_m_to_int64): Likewise.
10799 (_mm_cvtm64_si64): Likewise.
10800 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10801 (_mm_cvttss_si64): Likewise.
10802 (_mm_cvtsi64_ss): Likewise.
10803 (_mm_cvtss_f32): Likewise.
10805 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10807 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10808 for pragma redefine_extname.
10810 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10813 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10814 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10815 -mno-minimal-toc to previous content.
10816 (bispecs): Remove goal.
10817 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10818 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10819 compatibility aliases on powerpc-*-*gnu*.
10820 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10821 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10822 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10823 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10824 (ldblspecs): New goal.
10825 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10826 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10828 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10829 L_sf_to_tf or L_df_to_tf is defined.
10831 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10832 Alan Modra <amodra@bigpond.net.au>
10835 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10836 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10837 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10838 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10839 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10840 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10841 (rs6000_override_options): Initialize rs6000_ieeequad.
10842 Initialize TFmode format to ibm_extended_format if not
10844 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10846 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10847 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10848 (function_arg_advance): IBM long double passed in two FPRs, not
10850 (function_arg): IBM long double passed in FPRs.
10851 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10852 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10853 Only multireg GPR aligned.
10854 (rs6000_init_libfuncs): Enable IBM long double functions if not
10856 (rs6000_generate_compare): Use IBM long double compare if not
10858 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10859 (TARGET_IEEEQUAD): Define.
10860 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10861 not TARGET_IEEEQUAD.
10862 * config/rs6000/rs6000.md: Enable TFmode patterns if
10864 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10865 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10866 and -mlong-double-128 are incompatible.
10867 * doc/invoke.texi (-mabi): Collect options together. Add
10868 ibmlongdouble and ieeelongdouble.
10870 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10872 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10874 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10875 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10876 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10877 * rtl.h (rtunion_def): Remove rt_ptr.
10879 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10880 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10881 * config/i386/winnt.c (i386_pe_mark_dllexport)
10882 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10884 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10886 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10888 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10892 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10893 pthread_key_delete. From John David Anglin. gthrw-ify
10894 pthread_getunique_np only if it it's not a macro. Delete
10896 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10897 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10898 __gthread_objc_condition_signal, __gthread_key_delete): Add
10899 "__attribute__ ((__unused__))" to unused arguments.
10900 (__gthread_recursive_mutex_init_function): Add missing return.
10901 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10902 gthr-posix95.h: Use macro-based approach for name redirection
10903 on targets missing weakref.
10905 2006-01-26 Zack Weinberg <zackw@panix.com>
10907 * genconditions.c (write_header): In generated code, #ifdef out
10908 all includes and fake declarations, except includes of bconfig.h
10909 and system.h, unless GCC_VERSION >= 3001. Do not include
10910 gensupport.h in any case.
10911 (write_conditions): Generate a definition of struct c_test. Add
10912 a comment to the generated #endif.
10913 (write_one_condition): Escape backslashes in string too.
10914 (write_writer): Generated code must escape backslashes and quote
10915 marks (but not newlines) in the strings it writes.
10916 * Makefile.in (build/gencondmd.o): Update dependencies.
10918 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10921 * Makefile.in (insn-automata.o): Add header file dependencies.
10922 * genautomata.c: Add includes.
10924 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10927 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10929 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10931 * configure.ac: Expect target tools paths to be passed from the toplevel
10932 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10934 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10936 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10939 * c.opt (Wpointer-sign): Init to -1.
10940 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10941 OPT_pedantic, to 0 otherwise.
10942 * doc/invoke.texi: Update.
10944 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10946 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10947 constants provided by 80387 instructions in the destination mode.
10949 2006-01-26 Richard Guenther <rguenther@suse.de>
10950 Andrew Pinski <pinskia@physics.uc.edu>
10953 partial PR tree-opt/17064
10954 * tree-ssa-structalias.c (intra_create_variable_infos):
10955 Create heap variables for incoming parameters if
10956 flag_argument_noalias > 1.
10957 (find_what_p_points_to): Look through default defs of
10960 2006-01-26 Jeff Law <law@redhat.com>
10963 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10964 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10965 within the VR_RANGE, use the VR_RANGE as the result, not the
10967 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10968 bounds for the type.
10970 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10972 * tree-ssa-alias.c (maybe_create_global_var): Change
10973 subvar walking to an assertion that we don't have subvar'd variables.
10975 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10978 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10979 Use a new variable, inner. PARM_DECLs are always non-weak.
10981 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10983 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10984 --disable-checking.
10986 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10988 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10990 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10992 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10993 (smax_insn, smin_insn, smax_0, smin_0): New.
10995 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10998 * config/cris/cris.c (cris_order_for_addsi3): New function.
10999 * config/cris/cris-protos.h: Prototype it.
11000 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11001 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11002 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11003 (split for "op.S1 [rx=rx+i],ry (swapped)")
11004 (split for "op(s|u).S1 [rx=rx+i],ry")
11005 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11006 Apply cris_order_for_addsi3 when generating addsi3 insns.
11008 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11010 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11011 (TREE_BLOCK): Add call to EXPR_CHECK.
11013 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11016 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11017 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11018 (dump_omp_clauses): ... here.
11019 (dump_generic_node): Handle OMP_CLAUSE.
11020 * tree.c (omp_clause_num_ops): New.
11021 (omp_clause_code_name): New.
11022 (tree_code_size): Handle OMP_CLAUSE.
11023 (tree_size): Likewise.
11024 (make_node): Document handling of OMP_CLAUSE.
11025 (tree_node_structure): Handle OMP_CLAUSE.
11026 (omp_clause_check_failed): New.
11027 (omp_clause_range_check_failed): New.
11028 (omp_clause_operand_check_failed): New.
11029 (build_omp_clause): New.
11030 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11031 * tree.h (enum omp_clause_code): Declare.
11032 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11033 (OMP_CLAUSE_RANGE_CHECK): Define.
11034 (OMP_CLAUSE_ELT_CHECK): Define.
11035 (omp_clause_check_failed): Declare.
11036 (omp_clause_operand_check_failed): Declare.
11037 (omp_clause_range_check_failed): Declare.
11038 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11039 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11040 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11041 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11042 (OMP_CLAUSE_IF_EXPR): Likewise.
11043 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11044 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11045 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11046 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11047 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11048 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11049 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11050 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11051 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11052 (OMP_CLAUSE_CODE): Define.
11053 (OMP_CLAUSE_SET_CODE): Define.
11054 (OMP_CLAUSE_CODE): Define.
11055 (OMP_CLAUSE_OPERAND): Define.
11056 (struct tree_omp_clause): Declare.
11057 (union tree_node): Add field 'omp_clause'.
11058 * treestruct.def (TS_OMP_CLAUSE): Define.
11059 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11060 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11061 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11062 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11063 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11064 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11065 (OMP_CLAUSE): Define.
11066 * print-tree.c (print_node): Handle OMP_CLAUSE.
11067 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11068 * c-typeck.c: Likewise.
11069 * gimplify.c: Likewise.
11070 * c-omp.c: Likewise.
11071 * tree-nested.c: Likewise.
11072 * tree-inline.c: Likewise.
11073 * c-parser.c: Likewise.
11074 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11077 2006-01-25 Roger Sayle <roger@eyesopen.com>
11079 PR rtl-optimization/25703
11080 * combine.c (try_combine): Handle zero_extract and strict_low_part
11081 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11083 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11085 * global.c: Fix comment typos.
11087 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11090 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11091 Use output_addr_const instead of assemble_name.
11093 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11095 * Makefile.in (sched-vis.o): Update dependencies.
11096 * haifa-sched.c (sched_finish): Clear current_sched_info.
11097 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11098 (dump_flow_info): Call it.
11099 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11101 * basic-block.h (dump_bb_info): Declare.
11102 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11103 option, and apply options only for dump files whose TDF_RTL,
11104 TDF_TREE, or TDF_IPA bits match.
11105 * rtl.h: Declare new functions exported from sched-vis.c.
11106 * sched-vis.c: Enable also if scheduling is not used.
11107 (print_value): Print the mode of registers if not inside scheduling.
11108 (print_insn): Make it work outside the scheduler. Beautify the output
11110 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11112 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11114 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11115 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11116 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11117 depending on the value of CONSTANT_POOL_ADDRESS_P.
11118 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11120 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11121 rather than SYMBOL_REF_DECL.
11122 (rtx_constant_pool): Remove const_rtx_sym_htab.
11123 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11124 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11125 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11126 Remove handling of const_rtx_sym_htab.
11127 (find_pool_constant): Delete.
11128 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11129 rather than find_pool_constant.
11130 (get_pool_constant_for_function): Delete.
11131 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11132 find_pool_constant.
11133 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11134 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11135 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11136 (SYMBOL_REF_CONSTANT): New macro.
11137 (get_pool_constant_for_function): Delete.
11138 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11139 rather than SYMBOL_REF_DECL.
11140 (i386_pe_mark_dllimport): Likewise.
11141 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11142 rather than SYMBOL_REF_DECL.
11143 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11144 (machopic_indirect_call_target): Likewise.
11146 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11148 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11150 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11152 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11154 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11156 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11158 2006-01-24 David Daney <ddaney@avtrex.com>
11161 * configure.ac (enable_tls): New enable option.
11162 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11163 * configure: Regenerate.
11164 * doc/install.texi (--enable-tls): Document new option.
11165 (--disable-tls): Ditto.
11167 2006-01-24 Richard Henderson <rth@redehat.com>
11169 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11170 * alias.c (true_dependence): Respect it.
11171 (canon_true_dependence, write_dependence_p): Likewise.
11172 * builtins.c (get_builtin_sync_mem): Set it.
11174 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11176 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11179 2006-01-24 DJ Delorie <dj@redhat.com>
11181 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11182 for storing constants in single-bit bitfields.
11184 2006-01-25 Ben Elliston <bje@au.ibm.com>
11186 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11188 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11191 * tree-ssa-pre.c (phi_translate): Return NULL
11192 for AGGREGATE_TYPE's.
11194 2006-01-24 Zack Weinberg <zackw@panix.com>
11196 * genautomata.c (process_state_for_insn_equiv_partition):
11197 Use xcalloc for insn_arcs_array.
11198 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11199 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11201 2006-01-24 Richard Henderson <rth@redhat.com>
11203 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11204 update all callers.
11206 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11208 PR rtl-optimization/25890
11209 PR rtl-optimization/25905
11210 * combine.c (expand_compound_operation, expand_field_assignment):
11211 Fail if the bitfield's final position is out of bounds.
11213 2006-01-24 Ian Lance Taylor <ian@airs.com>
11215 PR middle-end/25930
11216 * cgraphunit.c (cgraph_output_in_order): Don't clear
11217 cgraph_asm_nodes until after asm strings have been output.
11219 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11221 * fix-header.c (read_scan_file): Add new parameter imultilib when
11222 calling register_include_chains.
11224 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11226 * omp-low.c: Update documentation.
11228 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11229 Daniel Berlin <dberlin@dberlin.org>
11233 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11234 return from the function.
11236 2006-01-22 Zack Weinberg <zackw@panix.com>
11238 * rtl.def (match_code): Add second argument.
11239 * genpreds.c (write_extract_subexp): New function.
11240 (write_match_code): Add path argument. Use write_extract_subexp.
11241 (write_predicate_expr): Pass path to write_match_code.
11242 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11243 not perform a mode test.
11244 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11245 a subexpression does not constrain the top-level code set.
11246 * read-rtl.c (read_rtx_variadic): New function.
11247 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11248 * doc/md.texi: Document new notation.
11249 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11250 (cmpsi_operand): ... here, using new notation.
11252 2006-01-22 Zack Weinberg <zackw@panix.com>
11254 * varray.c: Remove GENERATOR_FILE #ifdefs.
11256 2006-01-22 Zack Weinberg <zackw@panix.com>
11258 * genautomata.c (output_reserved_units_table): Emit nothing if
11259 description->query_units_num is zero. Remove extra blank line.
11260 (output_cpu_unit_reservation_p): Short circuit
11261 if description->query_units_num is zero.
11263 2006-01-22 Zack Weinberg <zackw@panix.com>
11265 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11266 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11267 nor any of the random handful of variables that used to be necessary
11268 when this program was linked with rtlanal.o. Prune set of forward
11269 function declarations.
11270 (struct attr_desc): Remove static_p field.
11271 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11272 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11273 (attr_string): Do not read the character one past the length of
11275 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11276 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11277 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11278 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11279 (make_automaton_attrs): New.
11280 (main): Do not call into genautomata. Call local gen_bypass
11281 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11282 Remove special case for insn_alts.
11283 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11284 varray.h (leftover from previous change). Prune set of forward
11285 function declarations. Remove state_alts fields from all
11286 structures. Remove state_alts_table from struct automaton.
11287 Make everything except main static. Do not maintain num_dfa_decls.
11288 Do not maintain state_alts fields of various structures.
11289 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11290 (add_arc): Remove state_alts argument. All callers updated.
11291 (output_reserved_units_table): Emit #ifdef here...
11292 (output_tables): ...not here. Don't generate state_alts tables.
11293 (expand_automata): Don't generate attributes.
11294 (write_automata): Don't generate state_alts functions.
11295 (main): New function.
11296 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11297 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11298 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11299 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11300 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11301 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11302 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11303 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11305 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11306 * genattrtab.h: Delete file.
11307 * Makefile.in (OBJS-common): Add insn-automata.o.
11308 (insn-automata.o): New rule.
11309 (simple_generated_c): Add insn-automata.c.
11310 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11311 (genprogmd): Add automata.
11312 (build/genattrtab): Needs no extra objects nor libraries.
11313 (build/genautomata): Needs build/vec.o and -lm.
11315 2006-01-22 Zack Weinberg <zackw@panix.com>
11317 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11318 (output_dfa_max_issue_rate, locked_states_num): Delete.
11319 (struct automaton): Add locked_states field.
11320 (output_dead_lock_vect): Save number of locked states in
11321 automaton->locked_states. If it is zero, don't print anything.
11322 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11323 (output_internal_dead_lock_func): Only test the dead_lock_vect
11324 for automata that have locked states.
11325 (output_statistics): Always print the number of locked states for
11326 each automaton. Calculate total number of locked states here.
11327 (write_automata): Don't call output_dfa_max_issue_rate.
11328 * genattrtab.c: Define length_unit_log as a const variable.
11329 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11330 max_insn_queue_index const.
11331 * final.c (length_unit_log): Declare const.
11332 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11334 2006-01-22 Zack Weinberg <zackw@panix.com>
11336 * genautomata.c: Include vec.h, not varray.h.
11337 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11338 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11339 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11340 VEC_* macros operating on appropriately typed vectors, or to
11341 malloced arrays when the size is known in advance. Const-ify
11342 many char* variables and function arguments. No functional changes.
11343 * Makefile.in (build/varray.o): Delete rule.
11344 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11345 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11347 2006-01-22 Zack Weinberg <zackw@panix.com>
11349 * gensupport.c: Define get_insn_name and record_insn_name here.
11350 (read_md_rtx): Call record_insn_name as appropriate.
11351 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11352 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11353 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11355 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11356 (BUILD_VARRAY): Delete.
11357 (genprognormal): Rename genprogmd. Fold in all programs from
11358 genprognoprint; also attrtab.
11359 (build/genattrtab): Just mention genautomata.o and varray.o.
11360 Reorganize a bit, add comments to make the categories clearer.
11362 2006-01-22 Zack Weinberg <zackw@panix.com>
11364 * genconditions.c (condition_table, add_condition): Delete.
11365 (write_conditions): Don't emit n_insn_conditions nor
11366 insn_elision_unavailable. Issue the gcc version #ifdef here,
11367 inside the table, with no #else clause ...
11368 (write_header): ...not here.
11369 (write_writer): New function.
11370 (main): Don't initialize condition_table. Use add_c_test.
11372 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11373 files on the command line.
11374 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11375 Return -1 if there is no entry in the table, don't abort.
11376 (add_c_test, traverse_c_tests): New functions.
11377 * gensupport.h (insn_elision_unavailable, insn_conditions)
11378 (n_insn_conditions): Delete declarations.
11379 (add_c_test, traverse_c_tests): Declare.
11380 * read-rtl.c: Include gensupport.h.
11381 (read_conditions): New function.
11382 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11383 (read_rtx_1): If we get EOF when we were looking for an initial
11384 open paren, return 0. Call read_conditions when appropriate.
11385 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11386 dummy-conditions.o. Eliminate references to insn-conditions.o,
11387 or change them to build/gencondmd.o, as appropriate. Remove
11388 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11389 from $(simple_generated_c). For all files remaining in those
11390 two lists, add insn-conditions.md to the generator command line.
11391 Give insn-constants.h/s-constants their own rules. Add rules
11392 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11393 (build/read-rtl.o): Depend on gensupport.h.
11394 (genprognormal): Include preds.
11395 (genprogearly): Rename genprognoprint; only difference is now that
11396 they don't link with $(BUILD_PRINT).
11397 * dummy-conditions.c: Delete.
11399 2006-01-22 Zack Weinberg <zackw@panix.com>
11401 * genextract.c: Don't include insn-config.h. Do include vec.h.
11402 Declare vectors of int, char, and locstr.
11403 (locstr): New typedef.
11404 (struct extraction): Make all array fields into bare pointers.
11405 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11406 (insn_code_number): Delete.
11407 (accum_extract): New struct.
11408 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11409 (gen_insn): Take insn_code_number as an argument. Use an
11410 accum_extract structure instead of loading data directly into
11411 a struct extraction, and having to know how big it might get.
11412 (walk_rtx): Operate entirely on an accum_extract structure.
11413 (print_path): Avoid unnecessary use of printf.
11414 (print_header): New function, split out of main. Distinguish
11415 more carefully between an unrecognizable insn and an insn that
11416 has the code number of a define_expand.
11417 (main): Pass insn_code_number to gen_insn. Call print_header
11418 only after parsing. Avoid unnecessary use of printf.
11419 * Makefile.in (build/vec.o): New rule.
11420 (build/genextract): Depend on build/vec.o.
11421 (build/genextract.o): Don't depend on insn-config.h.
11423 2006-01-22 Zack Weinberg <zackw@panix.com>
11425 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11426 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11427 practical. Eliminate per-generator-program link rules.
11429 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11431 PR middle-end/24437
11432 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11433 with a call expr to ...
11434 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11436 2006-01-23 Richard Guenther <rguenther@suse.de>
11438 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11439 before make_edge with conditional EDGE_TRUE_VALUE.
11441 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11442 Jan Hubicka <jh@suse.cz>
11443 Richard Guenther <rguenther@suse.de>
11445 PR rtl-optimization/25654
11446 * cfgexpand.c (aggregate_contains_union_type): New function.
11447 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11448 for structure variables that contain a union type.
11450 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11452 * gengtype.c (new_structure): Return the structure.
11453 (create_option): Add an extra "next" argument.
11454 (create_field): New function.
11455 (adjust_field_rtx_def): Use create_option and create_field.
11456 Remove a now-unnecessary call to find_structure.
11457 (adjust_field_tree_def): Likewise.
11458 (note_yacc_type): Remove an unnecessary call to find_structure.
11459 * gengtype.h (new_structure): Return the structure.
11460 (create_option): Add an extra argument.
11461 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11462 (option): Adjust calls to create_option.
11464 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11466 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11468 2006-01-22 Paul Brook <paul@codesourcery.com>
11469 Peter Barada <peter@the-baradas.com>
11471 * config/m68k/m68k.md: Add Coldfire FPU support.
11472 Define FP mode macro and associated attributes.
11473 Use it for float mode patterns.
11474 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11475 (LIBCALL_VALUE): Use m68k_libcall_value.
11476 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11477 (m68k_function_value): Ditto.
11478 (emit_move_sequence): Ditto.
11479 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11480 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11481 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11482 (MULTILIB_EXCEPTIONS): Ditto.
11483 * config/m68k/m68k.opt: Add mcfv4e.
11484 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11485 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11486 (m68k_output_function_prologue): Save ColdFire FPU registers.
11487 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11488 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11489 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11490 ColdFire FPU registers.
11491 (m68k_libcall_value, m68k_function_value): New functions.
11492 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11493 (LIBCALL_VALUE): Use m68k_libcall_value.
11494 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11495 (MASK_COLDFIRE): Add MASK_CFV4E.
11496 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11497 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11498 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11499 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11500 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11501 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11502 * doc/invoke.tex: Document -mcfv4e on m68k.
11504 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11506 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11509 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11512 * c-opts.c (c_common_handle_option): Don't include
11513 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11514 * doc/invoke.texi (C++ Dialect Options): Document that
11515 -Wnon-virtual-dtor is no longer included in -Wall.
11517 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11519 * gcov.c (print_version), gcov-dump.c (print_version),
11520 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11523 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11525 * df-scan.c (problem_SCAN): Added NULL reset function.
11526 (df_scan_reset_blocks): Added code to call reset block function
11527 (df_bb_refs_delete) Fixed comment.
11528 (df_insn_refs_delete): Made tolerant of deleting non existent info
11529 for dataflow problems that need to be reset.
11530 * df-core.c (df_set_blocks): Ditto.
11531 * df.h (struct df_problem): Added reset_fun.
11532 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11533 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11534 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11535 functions to clear out all references to def-use or use-def chains.
11537 2006-01-21 Ben Elliston <bje@au.ibm.com>
11539 * varasm.c (assemble_real): Initialise data array.
11541 2006-01-20 Paul Brook <paul@codesourcery.com>
11543 Merge from csl-arm-branch.
11544 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11545 * config/arm/arm.md (movdi): Force operands[1] to a register
11546 if we have a non-register source.
11547 (*arm_movdi, *movdf_soft_insn): Require that one of the
11548 operands be a register.
11549 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11550 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11552 2006-01-20 DJ Delorie <dj@redhat.com>
11554 * varasm.c (initializer_constant_valid_p): Allow pointers
11555 initialized from integer constants of lesser precision.
11556 (output_constant): Allow non-int-sized pointer modes to be
11557 initialized from integer constants.
11559 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11562 * cppdefault.h (struct default_include): Add multilib flag.
11563 * cppdefault.c (cpp_include_defaults): Set it.
11564 * c.opt (-imultilib): New option.
11565 * c-opts.c (imultilib): New.
11566 (c_common_handle_option): Handle -imultilib.
11567 (c_common_post_options): Likewise.
11568 * c-incpath.c (add_standard_paths, register_include_chains):
11570 * c-incpath.h (register_include_chains): Add extra parameter.
11571 * gcc.c (do_spec_1): Generate -imultilib option.
11572 (The Specs Language): Update %I description.
11573 (process_command): Update copyright notice.
11574 * doc/cppopts.texi (-imultilib): Document.
11575 * doc/invoke.texi (-imultilib): Include in option summary.
11576 (%I): Update specs documentation.
11578 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11580 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11582 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11584 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11587 2006-01-20 Richard Guenther <rguenther@suse.de>
11588 Steven Bosscher <stevenb.gcc@gmail.com>
11590 PR rtl-optimization/24626
11591 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11592 EDGE_TRUE_VALUE if in RTL mode.
11595 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11596 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11598 2006-01-20 Dirk Mueller <dmueller@suse.com>
11601 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11602 instead of a special NOP marker.
11603 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11604 NOP marker handling.
11605 * c-common.h (empty_body_warning): Add forward declaration.
11606 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11607 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11609 2006-01-20 Paul Brook <paul@codesourcery.com>
11611 * Makefile.in (lang_checks): Keep going if mkdir fails.
11613 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11615 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11616 be able to clean out basic block when not necessary.
11617 (df_scan_free): Fixed to properly delete information if df is
11618 unused before calling df_finish.
11619 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11620 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11622 (df_bb_refs_delete): New function.
11623 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11624 * df-core.c (df_set_blocks): Added code to properly clean out
11625 unused blocks if they are not part of the blocks to consider.
11626 Added additional null check.
11627 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11628 be able to clean out basic block when not necessary
11629 * df.h (df_free_bb_function): Ditto.
11630 (df_bb_refs_delete): New function.
11631 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11632 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11633 basic block parameter to be able to clean out basic block when not
11635 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11636 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11637 Fixed to properly delete information if df is unused before
11640 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11642 PR rtl-optimization/25799
11643 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11644 Corrected confluence operator to remove bits from op2 before oring
11645 with op1 rather than removing bits from op1.
11646 (df_ru_transfer_function): Corrected test on wrong bitmap which
11647 caused infinite loop. Both of these problems were introduced in
11648 the dataflow rewrite.
11650 2006-01-19 DJ Delorie <dj@redhat.com>
11652 * reload1.c (find_reload_regs): Note the details of reload
11653 failures in the dump file.
11654 (spill_failure): Likewise.
11656 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11658 * loop-iv.c: Include df.h and hashtab.h.
11659 (enum iv_grd_result): New enum.
11660 (DF_REF_IV, DF_REF_IV_SET): New macros.
11661 (struct biv_entry): New.
11662 (df, bivs): New global variables.
11663 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11664 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11666 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11667 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11668 analyzed_for_bivness_p, record_biv): New functions.
11669 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11670 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11671 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11673 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11675 (iv_number_of_iterations): Use new interface to iv analysis.
11676 * loop-unroll.c: Do not include varray.h.
11677 (analyze_iv_to_split_insn): Use new interface to iv
11679 * loop-unswitch.c (may_unswitch_on): Ditto.
11680 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11682 (df_bb_modify): Realloc tables to the new index.
11683 (df_find_use): New function.
11684 * df.h (df_find_use): Declare.
11685 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11687 * cfgloop.h (struct rtx_iv): Remove analysed field.
11688 (iv_get_reaching_def): Removed.
11689 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11690 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11691 (loop-iv.o): Add df.h and hashtab.h dependency.
11692 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11694 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11697 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11699 (__floatundisf, __floatundidf): Likewise.
11700 * libgcc2.h (IS_IBM_EXTENDED): Define.
11702 2006-01-19 DJ Delorie <dj@redhat.com>
11704 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11706 2006-01-19 Paul Brook <paul@codesourcery.com>
11708 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11709 as nothrow when unwinding tables are disabled.
11711 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11714 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11715 of bit-field" when in system header.
11717 2006-01-19 DJ Delorie <dj@redhat.com>
11719 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11720 the 16 bit shift limit of the m16c.
11722 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11725 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11726 * config/i386/i386.c (output_set_got): Output the label if we have one
11727 for the TARGET_DEEP_BRANCH_PREDICTION case.
11729 2006-01-19 Jan Hubicka <jh@suse.cz>
11730 H.J. Lu <hongjiu.lu@intel.com>
11731 Evandro Menezes <evandro.menezes@amd.com>
11733 * invoke.texi (generic): Document
11735 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11736 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11737 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11738 (x86_use_incdec, x86_pad_returns): New variables
11739 (TARGET_CPU_DEFAULT_generic): New constant
11740 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11741 (enum processor_type): Add generic32 and generic64.
11742 * i386.md (cpu attribute): Add generic32/generic64
11743 (movhi splitter): Behave sanely when both partial_reg_dependency and
11744 partial_reg_stall are set.
11745 (K8 splitters): Enable for generic as well.
11746 * predicates.md (incdec_operand): Use TARGET_INCDEC
11747 (aligned_operand): Avoid memory mismatch stalls.
11748 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11749 * ppro.md: Enable for generic32
11750 * i386.c (generic64_cost, generic32_cost): New.
11751 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11752 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11753 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11754 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11755 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11756 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11757 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11758 x86_accumulate_outgoing_args, x86_prologue_using_move,
11759 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11760 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11761 Enable for generic.
11762 (x86_use_incdec, x86_pad_returns): New.
11763 (override_options): Add generic32 and generic64, translate "generic"
11764 to generic32/generic64 and "i686" to "generic32", refuse
11765 "generic32"/"generic64" as arch target.
11766 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11767 (ix86_reorg): Honor PAD_RETURNS.
11769 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11771 * tree-pretty-print.c (dump_generic_node): Handle
11772 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11773 * cgraph.c (cgraph_expand_queue): Rename from
11774 cgraph_analyze_queue. Update all users.
11775 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11776 cgraph_expand_queue.
11777 (cgraph_expand_all_functions): Likewise.
11778 (cgraph_finalize_pending_functions): Remove. Update callers.
11780 * tree.h (OMP_DIRECTIVE_P): Define.
11781 (OMP_PARALLEL_FN): Define.
11782 (OMP_PARALLEL_DATA_ARG): Define.
11783 (OMP_SECTIONS_SECTIONS): Define.
11784 * tree-pass.h (pass_expand_omp): Declare.
11785 * omp-low.c (struct omp_region): Declare.
11786 (struct omp_context): Remove fields 'parallel_type',
11787 'parallel_start_ix' and 'parallel_start_additional_args'.
11789 (struct omp_for_data): Rename from struct expand_omp_for_data.
11790 (omp_regions): New static variable.
11791 (root_omp_region): New static variable.
11792 (find_omp_clause): Make static.
11793 (is_in_combined_parallel_ctx): Remove.
11794 (is_combined_parallel): New.
11795 (extract_omp_for_data): Move earlier in the file.
11796 (workshare_safe_to_combine_p): New.
11797 (get_ws_args_for): New.
11798 (determine_parallel_type): Move earlier in the file.
11799 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11801 (omp_copy_decl): Likewise.
11802 (create_omp_child_function): Likewise.
11803 (lookup_omp_region): New.
11804 (dump_omp_region): New.
11805 (debug_omp_region): New.
11806 (debug_all_omp_regions): New.
11807 (new_omp_region): New.
11808 (scan_omp_parallel): If parallel_nesting_level > 1, the
11809 directive is nested within another parallel directive.
11810 Set OMP_PARALLEL_FN.
11811 (scan_omp_for): Do not try to handle combined parallel+for
11813 Remove FIXME comment.
11814 (scan_omp_nested): Remove.
11815 (scan_omp_1): Do not call scan_omp_nested when
11816 parallel_nesting_level is > 1.
11817 Do not change the DECL_CONTEXT of local variables found.
11818 (lookup_decl_in_outer_ctx): New.
11819 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11820 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11821 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11822 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11823 If CTX is nested, lookup VAR in the outer context when
11824 building copy assignment.
11825 (lower_send_clauses): Rename from expand_send_clauses.
11826 If CTX is nested, lookup VAR in the outer context when
11827 building copy assignments.
11828 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11829 If CTX is nested, lookup VAR in the outer context when
11830 building copy assignments.
11831 (expand_parallel_call): Rename from build_parallel_call.
11832 Handle combined parallel+workshare cases.
11833 Re-implement to emit code into the CFG.
11835 (expand_omp_parallel): Re-implement to emit code into the CFG.
11836 Call move_sese_region_to_fn to outline the sub-graph
11837 containing the parallel region.
11838 (expand_omp_for_1): Remove.
11839 (expand_omp_for_generic): Re-implement to emit code into the
11841 (expand_omp_for_static_nochunk): Likewise.
11842 (expand_omp_for_static_chunk): Likewise.
11843 (expand_omp_for): Likewise.
11844 (expand_omp_sections): Likewise.
11845 (remove_exit_barriers): New.
11846 (expand_omp_synch): New.
11848 (build_omp_regions_1): New.
11849 (build_omp_regions): New.
11850 (execute_expand_omp): New.
11851 (gate_expand_omp): New.
11852 (pass_expand_omp): Define.
11853 (lower_omp_sections): Rename from expand_omp_sections.
11854 Set OMP_SECTIONS_SECTIONS.
11855 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11856 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11857 (lower_omp_single): Rename from expand_omp_simple.
11858 (lower_omp_master): Rename from expand_omp_master.
11859 (lower_omp_ordered): Rename from expand_omp_ordered.
11860 (lower_omp_critical): Rename from expand_omp_critical.
11861 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11862 (lower_omp_for): Re-implement.
11863 (lower_omp_parallel): Re-implement.
11864 (lower_regimplify): Rename from expand_regimplify.
11865 (lower_omp_1): Rename from expand_omp_1.
11866 If there are syntax errors in the program, replace every
11867 OpenMP directive with NOP.
11868 Call lower_omp_* instead of expand_omp_*.
11869 (lower_omp): Rename from expand_omp.
11871 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11872 * tree-gimple.h (enum omp_parallel_type): Remove.
11873 (gimple_boolify): Declare extern.
11874 (find_omp_clause, determine_parallel_type): Remove.
11876 * gimple-low.c (lower_omp_directive): New.
11877 (lower_stmt): Call it.
11878 (record_vars_into): Move from ...
11879 (record_vars): ... here.
11880 Call record_vars_into with current_function_decl.
11882 * gimplify.c (struct gimplify_ctx): Remove fields
11883 combined_pre_p and combined_ctxp. Update users.
11884 (get_formal_tmp_var): Add documentation.
11885 (gimple_boolify): Make extern.
11886 (gimplify_expr_in_ctx): Remove. Update callers.
11887 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11888 will always be a BIND_EXPR.
11889 (gimplify_expr): Handle OMP_RETURN_EXPR.
11890 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11891 (OMP_PARALLEL): Add 3 operands.
11892 (OMP_SECTIONS): Add 1 operand.
11893 (OMP_RETURN_EXPR): Define.
11895 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11896 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11897 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11898 creating a circular free list.
11899 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11901 * tree-flow.h (move_sese_region_to_fn): Declare.
11902 (record_vars_into): Declare.
11903 * tree-cfg.c (make_omp_sections_edges): New.
11904 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11905 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11906 OMP_SECTIONS and OMP_SECTION.
11907 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11908 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11909 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11910 (gather_blocks_in_sese_region): New.
11911 (struct move_stmt_d): Declare.
11912 (move_stmt_r): New.
11913 (move_block_to_fn): New.
11914 (move_sese_region_to_fn): New.
11916 * passes.c (init_optimization_passes): Schedule
11917 pass_expand_omp after pass_init_datastructures.
11919 * tree-ssa-operands.c (get_expr_operands): Handle
11920 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11921 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11923 2006-01-19 Jeff Law <law@redhat.com>
11925 * tree-vrp.c (extract_range_from_assert): Refine the result range
11926 if the variable referenced by the ASSERT_EXPR has a range and
11927 either the tentative result range or the previous range is a
11930 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11932 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11934 2006-01-19 Jan Hubicka <jh@suse.cz>
11936 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11938 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11940 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11941 (expand_compound_operation, expand_field_assignment): Fail if the
11942 bit lengths of an extract operation are out of range.
11943 (make_extraction): Compute wanted_inner_mode based on the position
11944 and length of the extraction. Make it extraction_mode for non-constant
11945 positions, and do not modify offset in that case. When generating a
11946 new MEM, use a mode that can hold the extraction while keeping correct
11947 alignment. Remove code that supported MEMs wrapped by USEs.
11948 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11950 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11952 * config/s390/s390.md ("Y", "y"): New mode attribute.
11953 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11954 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11955 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11956 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11957 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11958 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11959 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11960 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11961 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11962 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11963 "addsi3", "subsi3"): Insn patterns removed.
11964 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11965 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11966 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11967 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11968 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11969 "*sub<mode>3_cconly2"): New insn patterns.
11970 ("addsi3", "subsi3"): New expanders.
11972 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11974 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11975 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11976 existing STMT_VINFO_VECTYPE if available.
11977 (vect_mark_relevant): Add special handling for stmts that are
11978 marked as STMT_VINFO_IN_PATTERN_P.
11979 (vect_analyze_loop): Call vect_pattern_recog.
11980 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11981 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11983 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11984 (vect_recog_func_ptr): New function-pointer type.
11985 * tree-vect-patterns.c: New file.
11986 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11987 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11988 (vect_pattern_recog_1): New functions.
11989 (vect_pattern_recog_funcs): New array of function pointers.
11991 * tree-vectorizer.h (ternary_op): New enum value.
11992 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11993 declaration. Revised documentation. Removed redundant dump prints.
11994 Removed redundant argument. Added support for reduction patterns.
11995 (vectorizable_reduction): Added support for reduction patterns.
11996 (vect_transform_stmt): Added support for patterns.
11998 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11999 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12000 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12001 (expand_widen_pattern_expr): New function.
12002 (init_optabs): Initialize new optabs udot_prod_optab,
12004 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12005 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12006 (expand_widen_pattern_expr): New function declaration.
12007 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12009 * tree-inline.c (estimate_num_insns_1): Added cases for new
12010 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12011 * tree-pretty-print.c (dump_generic_node): Likewise.
12012 (op_prio): Likewise.
12013 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12014 * tree-ssa-operands.c (get_expr_operands): Added case for
12016 * tree-vect-patterns.c (widened_name_p): New function.
12017 (vect_recog_dot_prod_pattern): Added function implementation.
12018 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12019 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12020 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12021 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12023 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12024 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12025 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12026 (init_optabs): Initialize new optabs widen_ssum_optab,
12028 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12029 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12030 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12031 use instead of type of def.
12032 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12033 function implementation.
12034 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12035 widen_ssumv8hi): New.
12037 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12040 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12043 * c-decl.c (add_flexible_array_elts_to_size): New function.
12044 (finish_decl): Use it.
12046 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12048 * diagnostic.h: Include options.h.
12049 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12050 dependancies for diagnostic.h.
12051 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12053 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12055 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12056 (ssa_ro_call_cache_valid): Ditto.
12057 * tree-ssa-alias.c (sort_tags_by_id): New function.
12058 (init_transitive_clobber_worklist): Ditto.
12059 (add_to_worklist): Ditto.
12060 (mark_aliases_call_clobbered): Ditto.
12061 (compute_tag_properties): Ditto.
12062 (set_initial_properties): Ditto.
12063 (compute_call_clobbered): Ditto.
12064 (compute_may_aliases): Call compute_call_clobbered and grouping.
12065 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12066 (compute_flow_insensitive_aliasing): Grouping now happens in our
12068 (setup_pointers_and_addressables): Remove clobbering related code.
12069 (add_may_alias): Ditto.
12070 (replace_may_alias): Ditto.
12071 (get_nmt_for): Ditto.
12072 (create_global_var):
12073 (is_escape_site): Return an escape_type enumeration.
12074 * tree-flow-inline.h (is_call_clobbered): Global var does not
12075 imply call clobbered.
12076 (mark_call_clobbered): Take a reason for marking this. Remove
12077 marking of globalness, and cache invalidation.
12078 (clear_call_clobbered): Remove cache invalidation code.
12079 * tree-dfa.c (dump_variable): If details is on, dump the reason
12081 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12083 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12084 (struct var_ann_d): Ditto.
12085 (enum escape_type): New.
12086 (mark_call_clobbered): Adjust prototype.
12087 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12088 are never call clobbered.
12089 Record reasons for escaping.
12090 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12091 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12092 (ssa_ro_call_cache_valid): Ditto.
12093 (clobbered_v_may_defs): Ditto.
12094 (clobbered_vuses): Ditto.
12095 (ro_call_vuses): Ditto.
12096 (clobber_stats): New.
12097 (init_ssa_operands): Zero out clobber stats.
12098 (fini_ssa_operands): Print out clobber stats.
12099 (get_call_expr_operands): Pass callee fndecl to
12100 add_call_read_ops).
12101 (add_call_clobber_ops): Remove use of cache.
12102 Add use of PURE_CONST information.
12103 (add_call_read_ops): Remove use of cache.
12104 Add use of static not_read information.
12106 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12108 Introduce TLS descriptors for i386 and x86_64.
12109 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12110 (TARGET_ANY_GNU_TLS): New macro.
12111 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12112 (struct machine_function): Add tls_descriptor_call_expanded_p.
12113 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12114 (ix86_current_function_calls_tls_descriptor): Likewise.
12115 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12116 (override_options): Introduce gnu2 tls dialect.
12117 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12119 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12121 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12122 (ix86_init_machine_status): Initialize new field.
12123 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12124 (ix86_tls_module_base): New.
12125 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12126 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12127 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12128 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12129 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12130 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12131 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12132 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12133 * config/i386/predicates.md (tls_modbase_operand): New.
12134 (tp_or_register_operand): New.
12136 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12138 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12139 (look_for_address_of): Ditto.
12140 (ipa_init): Walk the function decls.
12141 (static_execute): Don't set readonly on FUNCTION_DECL's.
12143 2006-01-18 Roger Sayle <roger@eyesopen.com>
12145 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12146 for shifts where the source and destination registers are different.
12148 2006-01-18 Paul Brook <paul@codesourcery.com>
12150 Merge from csl-arm-branch.
12151 2005-03-14 Julian Brown <julian@codesourcery.com>
12152 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12153 (aeabi_llsl): Likewise.
12154 (ashrdi3): Likewise.
12155 (aeabi_lasr): Likewise.
12156 (lshrdi3): Likewise.
12157 (aeabi_llsr): Likewise.
12158 2005-03-10 Julian Brown <julian@codesourcery.com>
12159 * config.gcc: Disable shared libgcc for SymbianOS.
12160 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12162 2006-01-18 DJ Delorie <dj@redhat.com>
12164 * c-pragma.c (handle_pragma_diagnostic): New.
12165 (init_pragma): Register it.
12166 * doc/extend.texi: Document it.
12168 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12169 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12170 (diagnostic_context): Add classify_diagnostic[].
12171 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12172 as errors if they're overridden to DK_WARNING.
12173 (diagnostic_initialize): Initialize classify_diagnostic[].
12174 (diagnostic_set_kind_override): New.
12175 (diagnostic_report_diagnostic): Check for kind changes.
12176 * opts.c (common_handle_option): Take lang_mask. Update callers.
12177 Handle OPT_Werror_.
12178 * common.opt (Werror=): New.
12179 * doc/invoke.texi: Document -Werror=*
12181 2006-01-18 Jeff Law <law@redhat.com>
12183 * tree-vrp.c (test_for_singularity): Correct test for new
12184 min limit. Use operand_equal_p rather than pointer equality
12185 for testing if new min/max values are equal.
12187 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12188 using range information until after propagation and folding.
12190 2006-01-18 Richard Henderson <rth@redhat.com>
12191 Aldy Hernandez <aldyh@redhat.com>
12192 Jakub Jelinek <jakub@redhat.com>
12193 Diego Novillo <dnovillo@redhat.com>
12195 * omp-low.c: New file.
12196 * c-omp.c: New file.
12198 2006-01-18 Richard Henderson <rth@redhat.com>
12199 Jakub Jelinek <jakub@redhat.com>
12200 Diego Novillo <dnovillo@redhat.com>
12202 * doc/invoke.texi: Document -fopenmp.
12203 * tree-dump.h (debug_function): Declare.
12204 * hooks.c (hook_bool_tree_bool_false): New function.
12205 (hook_tree_tree_null): Remove.
12206 (hook_tree_tree_tree_null): New.
12207 * hooks.h: Update to match.
12208 * tree-pretty-print.c (debug_tree_chain): New.
12209 (print_generic_expr): Handle TDF_CHAIN.
12210 (dump_generic_node): Handle BLOCK.
12211 Do not abort with incomplete SWITCH_EXPRs.
12212 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12213 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12214 print space after directive name.
12215 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12216 Handle OMP_MASTER and OMP_ORDERED.
12217 Handle printing of OMP_BODY just in one place, goto
12218 dump_omp_body in the rest of OMP_* nodes that have
12220 Don't handle clause nodes here. Update omp statements to
12221 use dump_omp_clauses.
12222 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12223 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12224 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12225 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12226 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12227 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12228 Adjust output for GOMP_PARALLEL.
12229 (dump_omp_clauses): New.
12230 (print_declaration): Dump DECL_VALUE_EXPR.
12231 (op_symbol_1): Split out of op_symbol.
12232 (dumping_stmts): Remove. Update all users.
12233 * cgraph.c (cgraph_analyze_queue): New.
12234 (cgraph_add_new_function): New.
12235 * cgraph.h (cgraph_analyze_queue): Declare.
12236 (cgraph_add_new_function): Declare.
12237 (cgraph_lower_function): Remove.
12238 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12239 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12240 and TYPE_P nodes in its default clause.
12241 (empty_body_p): New.
12242 (tree_range_check_failed): New.
12243 (build5_stat): New.
12244 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12245 OMP_CLAUSE_REDUCTION_MERGE,
12246 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12247 OMP_CLAUSE_PRIVATE_DEBUG,
12248 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12249 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12250 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12251 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12252 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12253 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12254 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12255 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12256 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12257 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12258 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12259 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12260 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12261 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12262 (TREE_RANGE_CHECK): New.
12263 (empty_body_p): Declare.
12264 (enum omp_clause_default_kind): New.
12265 (build_string_literal): Declare.
12266 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12267 (build5_stat, build5): Declare.
12268 * tree-pass.h (TDF_CHAIN): Define.
12269 * tree-pass.h (PROP_gimple_lomp): Define.
12270 (pass_lower_omp): Declare.
12271 * diagnostic.h (debug_tree_chain): Declare.
12272 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12274 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12275 * builtins.c (build_string_literal): Make extern.
12276 * gcc.c (include_spec_function): New.
12277 (static_spec_functions): Add it.
12278 (main): Move load of libgomp.spec ...
12279 (LINK_COMMAND_SPEC): ... here.
12280 (link_gomp_spec): New.
12281 (static_specs): Include it.
12282 (LINK_COMMAND_SPEC): Add link_gomp.
12283 (GOMP_SELF_SPECS): New.
12284 (driver_self_specs): Include it.
12285 (switch_matches): Don't mark inline.
12286 (main): Load libgomp.spec.
12287 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12288 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12289 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12290 * tree-gimple.h (enum omp_parallel): Declare.
12291 (determine_parallel_type): Declare.
12292 (omp_firstprivatize_variable): Declare.
12293 (omp_reduction_init): Declare.
12294 (diagnose_omp_structured_block_errors): Declare.
12295 (struct walk_stmt_info): Add want_return_expr.
12296 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12297 (find_omp_clause): Declare.
12298 (insert_field_into_struct): Declare.
12299 (struct walk_stmt_info): Move from tree-nested.c
12300 (walk_stmts): Declare.
12301 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12303 * cgraphunit.c (cgraph_lower_function): Make static.
12304 (cgraph_finalize_pending_functions): New.
12305 (cgraph_finalize_function): Call it.
12306 (cgraph_finalize_compilation_unit): Likewise.
12307 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12308 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12309 (BT_FN_UINT_UINT): New.
12310 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12311 DEF_FUNCTION_TYPE_VAR_4): Document.
12312 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12313 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12314 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12315 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12316 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12317 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12318 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12319 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12320 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12321 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12322 into separate files.
12323 (DEF_GOMP_BUILTIN): New.
12324 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12325 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12326 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12327 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12328 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12329 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12330 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12331 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12332 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12333 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12334 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12335 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12336 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12337 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12338 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12339 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12340 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12341 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12342 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12343 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12344 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12345 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12346 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12347 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12348 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12349 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12350 * sync-builtins.def: New file, moved from builtins.def.
12351 * omp-builtins.def: New file, moved from builtins.def.
12352 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12353 * gimple-low.c (lower_function_body): Clear data.
12354 (lower_stmt): Do not handle COMPOUND_EXPR.
12355 Remove call to print_node_brief.
12356 * c-tree.h (c_finish_omp_clauses): New prototype.
12357 (C_DECL_THREADPRIVATE_P): Define.
12358 (lookup_name_no_remap, c_omp_remap_private): Remove
12359 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12360 (check_for_loop_decls): Update decl.
12361 (lookup_name_no_remap, c_omp_remap_private): Declare.
12362 (build_indirect_ref, build_modify_expr, pushdecl,
12363 pushdecl_top_level): Move to c-common.h.
12364 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12365 before the switch, but just in the 2 places that need it.
12366 * c-decl.c (diagnose_mismatched_decls): Do not check for
12367 mismatched thread-local attributes when OLDDECL is marked
12368 threadprivate and NEWDECL has no thread-local attributes.
12369 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12370 (c_gimple_diagnostics_recursively): Rename from
12371 c_warn_unused_result_recursively. Invoke
12372 diagnose_omp_structured_block_errors.
12373 (check_for_loop_decls): Return a singular decl found.
12374 * langhooks.c (lhd_omp_predetermined_sharing): Return
12375 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12376 (lhd_omp_firstprivatize_type_sizes): New.
12377 (lhd_omp_assignment): New.
12378 (lhd_omp_predetermined_sharing): New.
12379 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12380 (struct lang_hooks_for_types): Add
12381 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12382 omp_predetermined_sharing, omp_disregard_value_expr,
12383 omp_private_debug_clause, omp_clause_default_ctor,
12384 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12385 (c_finish_omp_clauses): New.
12386 (c_finish_bc_stmt): Diagnose break within omp for.
12387 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12388 (build_unary_op): Return error_mark after reporting
12390 (build_modify_expr): Likewise.
12391 * gimplify.c: Include optabs.h and pointer-set.h.
12392 (enum gimplify_omp_var_data): Declare.
12393 (struct gimplify_omp_ctx): Declare.
12394 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12396 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12397 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12398 (splay_tree_compare_decl_uid): New.
12399 (new_omp_context): New.
12400 (delete_omp_context): New.
12401 (gimple_add_tmp_var): Call omp_add_variable.
12402 (gimplify_bind_expr): Likewise.
12403 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12404 true, disregard DECL_VALUE_EXPR on the decl if any.
12405 (gimplify_expr_in_ctx): New.
12406 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12407 omp_add_variable, omp_notice_variable, omp_is_private
12408 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12409 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12410 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12411 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12412 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12413 gimplify_omp_atomic): New.
12414 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12415 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12416 OMP_CRITICAL and OMP_ATOMIC.
12417 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12418 * c-pragma.h (enum pragma_kind): Add
12419 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12420 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12421 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12422 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12423 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12424 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12425 PRAGMA_OMP_THREADPRIVATE.
12426 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12427 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12428 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12429 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12430 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12431 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12432 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12433 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12434 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12435 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12436 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12437 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12438 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12440 (struct nesting_info): Add field_map,
12441 suppress_expansion, debug_var_chain.
12442 (create_nesting_tree): Initialize them.
12443 (lookup_field_for_decl): Use field_map.
12444 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12445 (convert_local_omp_clauses): New.
12446 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12447 (walk_body): Split out of walk_function.
12448 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12449 (convert_nonlocal_reference): Handle omp statements.
12450 (convert_local_reference): Likewise.
12451 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12452 (unnest_nesting_tree): New.
12453 (lower_nested_functions): Call it.
12454 (insert_field_into_struct): Make extern.
12455 (struct walk_stmt_info): Move to tree-gimple.h.
12456 (walk_stmts): Make extern.
12457 * omp-builtins.def: New file.
12458 * tree-iterator.c (expr_only): Clarify comment.
12459 * c-common.h (pushdecl_top_level, pushdecl,
12460 build_modify_expr, build_indirect_ref,
12461 c_finish_omp_master, c_finish_omp_critical,
12462 c_finish_omp_ordered, c_finish_omp_barrier,
12463 c_finish_omp_atomic, c_finish_omp_flush,
12464 c_finish_omp_for, c_split_parallel_clauses,
12465 omp_clause_default_kind, c_omp_sharing_predetermined,
12466 c_omp_remap_decl): Declare.
12467 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12468 (OBJS-common): Add omp-low.o.
12469 (c-omp.o, omp-low.o): Add.
12470 (gimplify.o): Add dependency on $(OPTABS_H).
12471 (GTFILES): Add omp-low.c.
12472 (gt-stringpool.h): Add.
12473 * tree-cfg.c (set_bb_for_stmt): Do not update the
12474 block-to-labels map if we are currently expanding to RTL.
12475 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12477 Handle IDENTIFIER_NODE.
12478 (tree_verify_flow_info): Do not ICE when emitting error
12479 messages about invalid labels.
12480 (dump_function_to_file): Reset CFUN before emitting the body
12482 (debug_function): New.
12483 * passes.c (init_optimization_passes): Schedule
12485 * langhooks-def.h (lhd_omp_predetermined_sharing,
12486 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12488 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12489 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12490 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12491 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12492 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12493 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12494 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12495 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12496 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12497 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12498 (LANG_HOOK_DECLS): Use them.
12500 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12501 Richard Henderson <rth@redhat.com>
12502 Jakub Jelinek <jakub@redhat.com>
12503 Diego Novillo <dnovillo@redhat.com>
12505 * c-parser.c (pragma_omp_clause): Define.
12506 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12507 (c_parser_compound_statement): Likewise.
12508 (c_parser_statement): Likewise.
12509 (c_parser_pragma): Handle omp pragmas.
12510 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12511 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12512 (c_parser_omp_clause_name, check_no_duplicate_clause,
12513 c_parser_omp_variable_list,
12514 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12515 c_parser_omp_clause_copyprivate,
12516 c_parser_omp_clause_default,
12517 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12518 c_parser_omp_clause_lastprivate,
12519 c_parser_omp_clause_nowait,
12520 c_parser_omp_clause_num_threads,
12521 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12522 c_parser_omp_clause_reduction,
12523 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12524 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12525 c_parser_omp_atomic, c_parser_omp_barrier,
12526 c_parser_omp_critical, c_parser_omp_flush,
12527 c_parser_omp_for_loop, c_parser_omp_for,
12528 c_parser_omp_master, c_parser_omp_ordered,
12529 c_parser_omp_sections_scope, c_parser_omp_sections,
12530 c_parser_omp_parallel, c_parser_omp_single,
12531 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12532 * c-pragma.c (init_pragma): Do omp pragma registration here.
12533 * c.opt (fopenmp): New flag.
12535 2006-01-18 Eric Christopher <echristo@apple.com>
12537 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12538 * config/darwin.h (GOMP_SELF_SPECS): Define.
12540 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12542 * rtl.h: Remove the prototype for reg_alloc.
12544 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12547 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12548 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12549 sjlj and dwarf2 exception handling.
12550 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12551 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12552 * pa/pa.c (function_value): Treat complex and vector types as
12554 (function_arg): Likewise. Only pass scalar floats in the floating
12555 point argument registers.
12556 * pa/t-slibgcc-dwarf-ver: New file.
12557 * pa/t-slibgcc-sjlj-ver: New file.
12558 * pa/t-slibgcc-elf-ver: Delete file.
12560 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12562 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12563 unlikely_test_section_p test.
12565 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12567 * mode-switching.c (optimize_mode_switching): Make it static.
12568 * basic-block.h: Remove the prototype for
12569 optimize_mode_switching.
12571 * modulo-sched.c (sms_schedule): Make it static.
12572 * rtl.h: Remove the prototype for sms_schedule.
12574 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12575 * rtl.h: Remove the prototype for gcse_after_reload_main.
12577 * reg-stack.c (reg_to_stack): Make it static.
12578 * rtl.h: Remove the prototype for reg_to_stack.
12580 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12582 * rtl.h: Remove the prototypes for regrename_optimize and
12583 copyprop_hardreg_forward.
12585 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12587 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12588 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12589 Test against the appropriate null constant for the mode.
12590 If 'fixup_overlap' is true, swap the operands if they overlap.
12591 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12592 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12593 alpha_split_tmode_pair and adjust for above change.
12594 * config/alpha/alpha.md (movtf_internal): Adjust call to
12595 alpha_split_tfmode_pair and rely on it to swap the operands.
12596 (movti_internal): New insn and post-reload splitter.
12597 (movti): New expander.
12599 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12601 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12604 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12606 * rtlanal.c (global_reg_mentioned_p_1,
12607 global_reg_mentioned_p): Remove.
12608 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12610 * flow.c (initialize_uninitialized_subregs): Make it static.
12611 * rtl.h: Remove the prototype for
12612 initialize_uninitialized_subregs.
12614 * function.c (instantiate_virtual_regs): Make it static.
12615 * function.h: Remove the prototype for
12616 instantiate_virtual_regs.
12618 * regmove.c (regmove_optimize, combine_stack_adjustments):
12620 * rtl.h: Remove the prototypes for regmove_optimize and
12621 combine_stack_adjustments.
12623 2006-01-17 Roger Sayle <roger@eyesopen.com>
12625 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12626 (size_cost): Encode costs in bytes so that a reg-reg addition is
12627 equivalent to COSTS_N_INSNS(1).
12628 (override_options): Use the size_cost.branch_cost as the default
12629 ix86_branch_cost when optimizing for size.
12631 2006-01-18 Ben Elliston <bje@au.ibm.com>
12633 * Makefile.in (D32PBIT_FUNCS): New.
12634 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12635 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12636 D64PBIT_FUNCS and D128PBIT_FUNCS.
12637 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12638 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12640 (decnumber_dep): Define.
12641 * doc/libgcc.texi (Decimal float library routines): New node.
12642 * config/dfp-bit.h, config/dfp-bit.c: New files.
12644 2006-01-18 Ben Elliston <bje@au.ibm.com>
12646 * expr.c (emit_move_change_mode): Always adjust addresses, not
12647 just during reload. Copy replacements only during reload.
12648 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12649 emit_move_via_integer.
12651 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12653 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12654 instead of $(srcdir) and ${srcdir}.
12656 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12659 PR middle-end/11135
12660 * arm.h (struct machine_function): Add pic_reg.
12661 * arm.c (arm_pic_register): Make unsigned.
12662 (arm_override_options): Only set arm_pic_register if
12663 TARGET_SINGLE_PIC_BASE.
12664 (use_return_insn): Only test for a pic register if it is fixed.
12665 (arm_compute_save_reg0_reg12_mask): Likewise.
12666 (thumb_compute_save_reg_mask): Likewise.
12667 (legitimate_pic_operand): Factor out some known invariants.
12668 (legitimize_pic_address): If we don't have a fixed pic register,
12669 then set up a pseudo in the function entry sequence. Handle the
12670 pic base being in a pseudo.
12671 (arm_load_pic_register): Handle the pic register being in a pseudo.
12672 (arm_expand_prologue): Only set up the pic register if it is fixed.
12673 (thumb_expand_prologue): Likewise.
12674 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12675 (pic_load_addr_based_insn): Likewise.
12676 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12679 2006-01-18 Ben Elliston <bje@au.ibm.com>
12681 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12682 decimal float modes for all floating point registers.
12684 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12685 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12687 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12690 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12691 even when the pointer is not NULL.
12693 2006-01-16 Ian Lance Taylor <ian@airs.com>
12695 * common.opt (ftoplevel-reorder): New option.
12696 * cgraph.c (cgraph_asm_nodes): New global variable.
12697 (cgraph_asm_last_node): New static variable.
12698 (cgraph_order): New global variable.
12699 (cgraph_create_node): Set new order field.
12700 (cgraph_varpool_node): Likewise.
12701 (decide_is_variable_needed): Return true if not
12702 flag_toplevel_reorder.
12703 (cgraph_add_asm_node): New function.
12704 * cgraph.h (struct cgraph_node): Add order field.
12705 (struct cgraph_varpool_node): Add order field.
12706 (struct cgraph_asm_node): Define.
12707 (cgraph_asm_nodes, cgraph_order): Declare.
12708 (cgraph_add_asm_node): Declare.
12709 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12711 (cgraph_varpool_assemble_pending_decls): Call it.
12712 (cgraph_output_pending_asms): New static function.
12713 (cgraph_finalize_compilation_unit): Call it.
12714 (struct cgraph_order_sort): Define.
12715 (cgraph_output_in_order): New static function.
12716 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12717 !flag_toplevel_reorder case.
12718 * c-parser.c: Include "cgraph.h".
12719 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12721 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12722 than -fno-unit-at-a-time.
12723 * doc/invoke.texi (Option Summary): Mention
12724 -fno-toplevel-reorder.
12725 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12726 -funit-at-a-time documentation.
12728 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12729 Kazu Hirata <kazu@codesourcery.com>
12731 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12733 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12735 * Makefile.in (FUNCTION_H): New. Use it instead of
12736 function.h throughout the file.
12737 * function.h: Include tree.h.
12739 2006-01-17 Ben Elliston <bje@au.ibm.com>
12741 * recog.c: Separate some functions with whitespace.
12743 2006-01-16 Richard Henderson <rth@redhat.com>
12745 Merge from gomp branch:
12746 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12747 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12748 and rename from struct inline_data. Rename callee* to dst*;
12749 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12750 transform_new_cfg, transform_return_to_modify, and
12751 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12753 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12754 (copy_decl_for_dup): Remove.
12755 * tree-inline.c (struct inline_data): Move to header.
12756 (insert_decl_map): Export.
12757 (remap_decl): Update for member name changes. Use copy_decl hook.
12758 Allow for replacement to be a non-decl. Remove dead code.
12759 (remap_type_1): Check for existing mapping.
12760 (remap_type): Export.
12761 (remap_decls): Update for member name changes.
12762 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12763 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12764 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12765 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12766 (tree_function_versioning, build_duplicate_type): Likewise.
12767 (copy_body_r): Likewise. Export.
12768 (copy_decl_for_dup): Split into ...
12769 (copy_decl_for_dup_finish, copy_decl_to_var,
12770 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12771 (replace_ref_tree, inlining_p): Remove.
12773 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12775 * ifcvt.c (if_convert): Make it static.
12776 * rtl.h: Remove the prototype for if_convert.
12778 * local-alloc.c (local_alloc): Make it static.
12779 * rtl.h: Remove the prototype for local_alloc.
12781 * loop.c (loop_optimize): Make it static.
12782 * cfgloop.h: Remove the prototype for loop_optimize.
12785 2006-01-16 DJ Delorie <dj@redhat.com>
12787 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12790 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12792 * pa.md: Disparage copies between general and floating-point registers
12793 in 32-bit move patterns.
12795 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12798 * Makefile.in (check-%): Depend on site.exp instead of
12799 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12802 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12804 * global.c (global_alloc): Make it static.
12805 * rtl.h: Remove the prototype for global_alloc.
12807 2006-01-16 Richard Guenther <rguenther@suse.de>
12809 * tree-ssa-alias.c (struct used_part): Add write_only field.
12810 (get_or_create_used_part_for): Initialize it to true.
12811 (create_overlap_variables_for): Don't create structure variables
12812 for structures that only are written to.
12813 (find_used_portions): Handle MODIFY_EXPR to track whether a
12814 structure is only written to.
12816 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12818 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12820 * basic-block.h: Remove the prototype for
12821 partition_hot_cold_basic_blocks.
12823 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12825 * cppspec.c (lang_specific_spec_functions): Remove.
12826 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12827 * gcc.h (lang_specific_spec_functions): Remove.
12828 * gccspec.c (lang_specific_spec_functions): Remove.
12830 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12832 * combine.c (record_value_for_reg): Invalidate registers
12834 (record_dead_and_set_regs_1): Likewise, by passing them to
12835 record_value_for_reg.
12836 (record_dead_and_set_regs): Invalidate stores made by a
12837 call. We do not combine across a call, but we still
12838 relied on equivalences.
12840 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12842 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12843 vrp_int_const_binop returning non-constant nodes.
12845 2006-01-16 Paul Brook <paul@codesourcery.com>
12847 * config/m68k/m68k.c (output_move_const_into_data_reg):
12848 Output correct mnemonic for mvz and mvs.
12850 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12852 * rtl-factoring.c: Add sequence abstraction algorithm.
12853 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12854 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12856 (block_has_preserve_label): New function.
12857 * common.opt: Register new pass.
12858 * Makefile.in: Ditto.
12860 * timevar.def: Ditto.
12861 * tree-pass.h: Ditto.
12862 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12863 * rtl.h (make_jump_insn_raw): Add forward decl.
12864 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12866 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12867 Roger Sayle <roger@eyesopen.com>
12869 * fold-const.c (fold_minmax): New static function.
12870 (fold_binary) <MIN_EXPR>: Call it.
12871 <MAX_EXPR>: Likewise.
12872 * stor-layout.c (place_field): Use DECL_SIZE consistently
12873 in the computation of the new record size.
12875 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12877 * cse.c (cse_condition_code_reg): Make it static.
12878 * rtl.h: Remove the prototype for cse_condition_code_reg.
12880 * combine.c (combine_instructions): Make it static.
12881 * rtl.h: Remove the prototype for combine_instructions.
12883 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12886 * tree.c (get_file_function_name_long): Concatenate the first global
12887 object name with a string derived from the input filename of the object
12890 2006-01-16 Ben Elliston <bje@au.ibm.com>
12892 * config/i386/winnt-stubs.c: Update FSF address.
12893 * config/xtensa/ieee754-df.S: Ditto.
12894 * config/xtensa/ieee754-sf.S: Ditto.
12896 2006-01-14 Ian Lance Taylor <ian@airs.com>
12898 * ifcvt.c (noce_init_if_info): New static function, broken out of
12899 noce_process_if_block.
12900 (noce_process_if_block): Call noce_init_if_info.
12901 (check_cond_move_block): New static function.
12902 (cond_move_process_if_block): New static function.
12903 (process_if_block): Call cond_move_process_if_block.
12905 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12907 * cselib.c (hash_table): Rename to cselib_hash_table.
12908 (cselib_clear_table, discard_useless_values,
12909 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12910 cselib_init, cselib_finish): Adjust uses of hash_table.
12912 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12914 PR tree-optimization/25485
12915 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12916 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12917 is known to be false and true, respectively.
12919 2006-01-14 Richard Guenther <rguenther@suse.de>
12921 PR tree-optimization/22548
12922 PR tree-optimization/22555
12923 PR tree-optimization/22501
12924 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12925 * params.def (salias-max-array-elements): New parameter.
12926 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12927 * doc/invoke.texi (salias-max-array-elements): Document.
12928 * tree-flow-inline.h (var_can_have_subvars): We also handle
12930 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12932 * tree-ssa-structalias.c (params.h): Include.
12933 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12934 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12935 (get_constraint_for): For ADDR_EXPR operating on something
12936 containing an ARRAY_REF, add all subvars to the solution.
12937 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12938 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12939 for creating MUST_DEFs.
12940 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12942 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12944 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12946 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12947 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12948 number_of_iterations_le): New functions.
12949 (number_of_iterations_special): Removed.
12950 (number_of_iterations_exit): Do not use number_of_iterations_special.
12951 * tree.c (unsigned_type_for): Always return integer type.
12953 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12954 Richard Guenther <rguenther@suse.de>
12956 PR rtl-optimization/24257
12957 * gcse.c (find_moveable_store): Only consider a store movable
12958 when the SET_SRC of the insn can be assigned to a register.
12960 2006-01-14 Ian Lance Taylor <ian@airs.com>
12962 * tree.c (tree_not_class_check_failed): New function.
12963 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12964 (tree_not_class_check_failed): Declare.
12966 2006-01-13 Ian Lance Taylor <ian@airs.com>
12968 * reload1.c (do_output_reload): Add assertion rejecting a
12971 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12973 * combine.c (struct reg_stat): Add new fields truncation_label and
12975 (record_value_for_reg): Reset truncated_to_mode.
12976 (record_truncated_value): New function.
12977 (check_promoted_subreg): Call it. Rename to check_conversions.
12978 (combine_instructions): Rename check_promoted_subreg to
12980 (reg_truncated_to_mode): New function.
12981 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12982 (gen_lowpart_or_truncate): New function.
12983 (force_to_mode): Use it instead of gen_lowpart.
12985 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12987 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12988 VAR is a tag, not its type tag.
12990 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12992 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12993 alternatives to match style of other entries.
12994 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12996 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12998 PR tree-optimization/25771
12999 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13002 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13005 * tree-inline.c (declare_return_variable): If the return variable
13006 was marked as a non gimple complex, set the return slot variable
13007 to be a non gimple comple variable.
13009 2006-01-13 Richard Guenther <rguenther@suse.de>
13011 * builtins.c (expand_builtin_sincos): New function.
13012 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13014 (expand_builtin): Expand sincos using expand_builtin_sincos.
13016 2006-01-12 DJ Delorie <dj@redhat.com>
13018 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13019 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13020 so that constant shifts can be split.
13021 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13022 (m32c_valid_pointer_mode): Make static.
13023 (shift_gen_func_for): New.
13024 (m32c_prepare_shift): Use it. Split large const shifts into
13026 * config/m32c/predicates.md (shiftcount_operand): Allow more
13028 (longshiftcount_operand): New.
13029 * doc/md.texi (Machine Constraints): Document In6.
13031 2006-01-13 Ben Elliston <bje@au.ibm.com>
13033 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13034 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13037 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13039 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13040 to try to avoid clobbering pieces of structures when we know
13041 something about the whole structure.
13042 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13044 2006-01-13 Ben Elliston <bje@au.ibm.com>
13046 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13047 return in memory, as this is no limitation is no longer present.
13049 2006-01-12 DJ Delorie <dj@redhat.com>
13051 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13052 mova with fb, and for fb+0 -> An.
13054 * config/m32c/mov.md (peephole2): Fix enabling logic.
13056 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13057 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13058 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13059 FINI_ARRAY_SECTION_ASM_OP): Define.
13061 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13063 (m32c_legitimize_reload_address): New logic to reload FB to An.
13064 (m32c_output_reg_push): Add newline.
13065 (m32c_output_reg_pop): Likewise.
13067 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13069 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13071 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13073 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13075 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13077 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13080 2006-01-11 Ben Elliston <bje@au.ibm.com>
13082 * rtlanal.c (find_reg_note): Assert insn is not null.
13084 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13086 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13089 2006-01-11 Jeff Law <law@redhat.com>
13091 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13093 (mark_threaded_blocks, register_jump_thread): New functions.
13094 (thread_through_all_blocks): Remove unwanted argument. No
13095 longer rely on e->aux to communicate thread target info.
13096 Call mark_threaded_blocks. Release the threaded_blocks
13097 bitmap and threaded_edges vector when complete.
13098 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13099 (threaded_blocks): Remove.
13100 (tree_ssa_dominator_optimize): Remove initialization and
13101 finalization of threaded_blocks. Simplify call to
13102 thread_through_all_blocks.
13103 (thread_across_edge): Call register_jump_thread rather than
13104 storing thread information into e->aux.
13105 (free_all_edge_infos): Simplify now that e->aux is no longer
13106 used to communicate with thread_through_all_blocks.
13107 * tree-flow.h (thread_through_all_blocks): Update prototype.
13108 (register_jump_thread): Prototype.
13110 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13112 * df-core.c (df_compact_blocks, df_bb_replace): Use
13113 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13115 2006-01-11 Richard Guenther <rguenther@suse.de>
13117 PR tree-optimization/25734
13118 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13119 stop propagation after successful propagation to the LHS.
13121 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13123 * basic-block.h (control_flow_graph): Change the type of
13124 x_basic_block_info to VEC(basic_block,gc) *.
13125 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13127 (SET_BASIC_BLOCK): New.
13128 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13129 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13130 * cfgbuild.c (find_basic_blocks): Likewise.
13131 * cfglayout.c (fixup_reorder_chain): Likewise.
13132 * cfgrtl.c (create_basic_block_structure,
13133 rtl_create_basic_block): Likewise.
13134 * ifcvt.c (find_if_case_1): Likewise.
13135 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13138 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13140 * Makefile.in: Removed rotted odf.c entry.
13142 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13145 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13146 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13147 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13148 output pattern modifier, not %e.
13149 * config/cris/cris.c (cris_op_str): Update comment about pattern
13151 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13152 before falling through into...
13153 <case 'E'>: Redefined from old 'e' case.
13155 2006-01-11 Jan Hubicka <jh@suse.cz>
13158 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13160 2006-01-11 Jan Hubicka <jh@suse.cz>
13162 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13163 * i386.c (x86_decompose_lea): Kill.
13164 (ix86_rtx_costs): Kill.
13166 2006-01-11 Jan Hubicka <jh@suse.cz>
13168 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13169 * cgraph.h (cgraph_node): Add inline_decl.
13170 (cgraph_insert_node_to_hashtable): Declare.
13171 (save_inline_function_body): Declare.
13172 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13174 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13175 (cgraph_function_versioning): Update call of tree_function_versioning.
13176 (save_inline_function_body): New function.
13177 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13178 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13179 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13180 (cgraph_default_inline_p): Likewise.
13181 (cgraph_decide_inlining_incrementally): Likewise.
13182 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13183 (copy_bb): Kill saving; do updating of clones.
13184 (copy_cfg_body): Kill saving.
13185 (initialize_inlined-parameters): Likewise.
13186 (expand_call_inline): Likewise.
13188 (tree_function_versioning): New parameter "update_clones".
13189 (inlining_p): Kill saving.
13190 * tree-inline.h (tree_function_versioning): Update prototype.
13191 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13194 2006-01-11 Ian Lance Taylor <ian@airs.com>
13196 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13197 Allow undoing set of machine mode.
13198 (do_SUBST): Use enums instead of is_int.
13199 (do_SUBST_MODE): New function.
13200 (SUBST_MODE): New macro.
13201 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13202 reg and trying to replace reg_regno_rtx with a new register.
13203 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13204 (simplify_set): Use SUBST_MODE.
13205 (distribute_notes): Remove code that tried to update reg notes
13206 for regno_reg_rtx changes.
13208 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13210 PR tree-optimization/23109
13211 PR tree-optimization/23948
13212 PR tree-optimization/24123
13214 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13215 * tree-cfg.c (single_noncomplex_succ): New.
13216 * tree-flow.h (single_noncomplex_succ): Declare it.
13217 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13218 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13219 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13220 insert_bb, register_division_in, insert_reciprocals,
13221 replace_reciprocal, free_bb): New.
13222 (execute_cse_reciprocals_1): Rewritten.
13223 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13224 Do not commit any edge insertion. Always compute dominators and
13225 create the allocation pool.
13226 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13227 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13228 * targhooks.c (default_min_divistions_for_recip_mul): New.
13229 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13230 * passes.c (init_optimization_passes): Run recip after tree loop
13232 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13234 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13235 Kenneth Zadeck <zadeck@naturalbridge.com>
13237 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13238 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13239 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13240 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13241 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13242 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13243 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13244 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13245 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13246 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13247 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13248 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13249 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13250 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13251 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13252 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13253 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13254 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13255 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13256 DF_SCAN_POST_ALLOC): New macros.
13257 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13258 df_free_bb_function, df_local_compute_function, df_init_function,
13259 df_dataflow_function, df_confluence_function_0,
13260 df_confluence_function_n, df_transfer_function,
13261 df_finalizer_function, df_free_function, df_dump_problem_function,
13262 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13263 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13264 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13265 df_urec_bb_info, ) New types.
13266 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13268 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13269 df_analyze_simple_change_some_blocks,
13270 df_analyze_simple_change_one_block, df_compact_blocks,
13271 df_bb_replace, df_bb_regno_last_use_find,
13272 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13273 df_insn_regno_def_p, df_find_def, df_find_use,
13274 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13275 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13276 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13277 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13278 debug_df_chain, df_get_dependent_problem, df_chain_create,
13279 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13280 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13281 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13282 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13283 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13284 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13285 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13286 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13287 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13288 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13289 df_reorganize_refs, df_set_state, df_hard_reg_init,
13290 df_read_modify_subreg_p) New public functions.
13291 * df-core.c: The core dataflow solver and glue routines for rtl
13293 (df_init, df_add_problem, df_set_blocks, df_finish,
13294 df_hybrid_search_forward, df_hybrid_search_backward,
13295 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13296 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13297 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13298 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13299 df_reg_defined, df_find_use, df_reg_used, df_dump,
13300 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13301 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13302 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13303 debug_df_useno, reset_df_after_reload): New functions.
13304 * df-scan.c: The scanning fuctions, once in df.c, completely
13305 rewritten so that they now fully model the functionality of
13306 register usage at the backend.
13307 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13308 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13309 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13310 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13311 df_get_artificial_defs, df_get_artificial_uses,
13312 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13313 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13314 df_refs_delete, df_reorganize_refs, df_set_state,
13315 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13316 df_def_record_1, df_defs_record, df_uses_record,
13317 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13318 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13319 df_record_exit_block_uses, df_hard_reg_init): New functions.
13321 * df-problems.c: Seven concrete dataflow problems that use the
13322 scanning in df-scan.c and are solved by the engine in df-core.c.
13323 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13324 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13325 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13326 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13327 df_ru_free_bb_info, df_ru_alloc,
13328 df_ru_bb_local_compute_process_def,
13329 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13330 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13331 df_ru_transfer_function, df_ru_free, df_ru_dump,
13332 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13333 df_rd_free_bb_info, df_rd_alloc,
13334 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13335 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13336 df_rd_transfer_function, df_rd_free, df_rd_dump,
13337 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13338 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13339 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13340 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13341 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13342 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13343 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13344 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13345 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13346 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13347 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13348 df_urec_mark_reg_use_for_earlyclobber,
13349 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13350 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13351 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13352 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13353 df_chain_create_bb_process_use, df_chain_create_bb,
13354 df_chain_finalize, df_chain_free, df_chains_dump,
13355 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13356 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13357 df_reg_lifetime): New functions.
13358 * df.c: Deleted file.
13359 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13360 consistent with new df api.
13361 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13362 rest_of_handle_sms): Ditto.
13363 * web.c (unionfind_union, union_defs, entry_register, web_main):
13365 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13366 invariant_expr_equal_p, find_defs, check_dependencies,
13367 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13368 free_inv_motion_data, move_loop_invariants): Ditto.
13369 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13370 Update dependencies.
13371 (odf.c): Added defective entry that was deleted later in day.
13372 * sched-deps.c (sched_analyze_1): Ditto.
13374 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13376 * tree-ssa-operands.c (get_expr_operands): Record addressable
13377 variables directly. Do not call add_stmt_operands for CONST_DECLs
13379 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13380 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13382 2006-01-11 Ben Elliston <bje@au.ibm.com>
13384 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13385 function returns true in the positive case.
13387 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13390 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13391 for SI, DI, SF and DF modes. Add alternatives to copy between
13392 general and floating point registers to the 32-bit patterns.
13393 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13394 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13395 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13396 generating 64-bit code.
13397 * config/pa/pa.c (output_move_double): Handle copies between general
13398 and floating registers.
13400 2006-01-10 Stuart Hastings <stuart@apple.com>
13402 * config/i386/i386.md (set_got): Update.
13403 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13404 (builtin_setjmp_receiver): Mach-O support.
13405 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13406 (GOT_SYMBOL_NAME): Define.
13407 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13408 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13409 * config/i386/i386.c (override_options): Revise for Darwin.
13410 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13411 support. (darwin_x86_file_end): New. (output_set_got): Add label
13412 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13413 * config/i386/i386-protos.h (output_set_got): Likewise.
13414 * config/darwin.c (machopic_legitimize_pic_address): Update
13417 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13419 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13420 when MODE isn't BLKmode.
13422 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13424 PR rtl-optimization/25367
13425 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13427 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13430 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13431 for a negative bound.
13433 2006-01-10 Richard Guenther <rguenther@suse.de>
13435 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13436 Never override with anything constraint.
13438 2006-01-10 Jan Beulich <jbeulich@novell.com>
13440 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13441 256 bits when optimize_size.
13443 2006-01-10 Jan Beulich <jbeulich@novell.com>
13445 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13447 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13448 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13451 2006-01-10 Ben Elliston <bje@au.ibm.com>
13453 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13455 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13456 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13457 (USE_FP_FOR_ARG): Reject decimal float modes.
13458 (function_arg_advance): Likewise.
13459 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13460 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13461 point types in AltiVec vectors.
13462 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13463 (rs6000_libcall_value): Likewise.
13465 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13467 * config/xtensa/ieee754-df.S: New file.
13468 * config/xtensa/ieee754-sf.S: New file.
13469 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13470 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13471 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13473 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13475 * config/sh/predicates.md (binary_float_operator,
13476 binary_logical_operator, commutative_float_operator,
13477 equality_comparison_operator, greater_comparison_operator,
13478 less_comparison_operator, logical_operator,
13479 noncommutative_float_operator, shift_operator,
13480 symbol_ref_operand, unary_float_operator): Remove redundant
13483 2006-01-09 Jeff Law <law@redhat.com>
13485 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13486 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13487 now unused arguments. Callers updated.
13488 (eliminate_redundant_computations): Remove now unused arguments,
13490 (local_fold): Remove, no longer used.
13491 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13493 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13494 (simplify_cond): New function.
13495 (forward_propagate_into_cond): Call simplify_cond.
13497 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13499 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13500 (*vec_extractv2di_1_sse): New.
13502 2006-01-09 Ben Elliston <bje@au.ibm.com>
13504 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13506 2006-01-08 Richard Guenther <rguenther@suse.de>
13508 * tree-ssa-structalias.c (get_constraint_for): Remove
13509 anyoffset argument.
13510 (get_constraint_for_component_ref): Likewise.
13511 (do_deref): Likewise.
13512 (get_constraint_for): Likewise.
13513 (do_structure_copy): Likewise.
13514 (handle_ptr_arith): Likewise.
13515 (find_func_aliases): Likewise. Remove unused need_anyoffset
13518 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13519 Kaz Kojima <kkojima@gcc.gnu.org>
13521 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13522 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13523 (EXTRA_CONSTRAINT_C16): Remove.
13524 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13525 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13526 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13527 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13528 constants of SHmedia. Handle nested constant expressions of
13530 (andcosts): Fix the costs for SHmedia constants.
13531 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13532 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13533 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13534 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13535 (movv4hi_i, movv2si_i): Likewise.
13536 (movsi_const): Adjust the second operand of ior so to match with
13537 the Csu constraint.
13538 (movdi_const, movdi_const_32bit): Likewise.
13539 (movdi_const_16bit+1): Don't sign-extend LOW.
13540 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13542 (*double_shori): Fix the split condition. Use GEN_INT instead
13543 of get_int_mode calls. Mask lower 16-bit of the argument of
13545 (sym2GOTPLT): Remove.
13546 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13548 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13549 instead of EXTRA_CONSTRAINT_C16.
13551 2006-01-07 Ian Lance Taylor <ian@airs.com>
13552 David Edelsohn <edelsohn@gnu.org>
13554 PR rtl-optimization/25662
13555 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13556 for constant operands instead of simplify_gen_binary.
13557 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13558 after trying simplify_binary_operation
13560 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13562 * tree.c (iterative_hash_expr): Hash decls based on UID.
13564 2006-01-06 Eric Christopher <echristo@apple.com>
13566 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13567 (TARGET_UNWIND_EMIT): Fix spelling.
13568 * target.h (gcc_target): Add except_table_label.
13569 * except.c (output_function_exception_table): Use.
13570 * varasm.c (default_emit_except_table_label): New.
13571 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13573 (asm_out): Add here.
13574 * output.h (default_emit_except_table_label): Prototype.
13575 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13576 * config/darwin.c (darwin_emit_except_table_label): Define.
13577 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13579 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13581 PR tree-optimization/18527
13582 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13583 number_of_iterations_special, number_of_iterations_exit):
13584 Move base and step of an iv to a single structure. Add
13585 no_overflow flag, and use it in # of iterations analysis.
13586 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13587 folded_casts argument.
13588 (simple_iv): Pass base and step in a structure. Set no_overflow
13590 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13591 Evaluate expensiveness of computing # of iterations instead of
13592 the final expression.
13593 * tree-scalar-evolution.h (affine_iv): New structure.
13594 (simple_iv): Declaration changed.
13595 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13596 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13597 find_givs_in_stmt): Changed due to simple_iv change.
13599 2006-01-06 Jeff Law <law@redhat.com>
13602 * tree-cfg.c (bsi_replace): Rename final argument from
13603 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13604 change (stmt -> orig_stmt).
13605 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13606 (bsi_remove): Add new argument. Remove EH information
13608 (verify_eh_throw_table_statements): New function.
13609 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13611 * tree-optimize.c (execute_free_cfg_annotations): Verify
13612 the EH throw statement table after removing annotations.
13613 * except.h (verify_eh_throw_table_statements): Prototype.
13614 * tree-flow.h (bsi_remove): Update prototype.
13615 * tree-vrp.c (remove_range_assertions): Add new argument to
13617 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13618 * tree-complex.c (expand_complex_div_wide): Likewise.
13619 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13620 * tree-tailcall.c (eliminate_tailcall): Likewise.
13621 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13622 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13623 * tree-nrv.c (tree_nrv): Likewise.
13624 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13625 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13626 (combine_blocks): Likewise.
13627 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13628 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13629 (cleanup_control_flow): Likewise.
13630 (remove_forwarder_block): Likewise.
13631 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13632 * tree-sra.c (sra_replace): Likewise.
13633 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13634 (forward_propagate_single_use_vars): Likewise.
13635 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13636 * tree-inline.c (expand_call_inline): Likewise.
13637 * tree-vect-transform.c (vect_transform_loop): Likewise.
13638 * tree-outof-ssa.c (rewrite_trees): Likewise.
13639 * tree-cfg.c (make_goto_expr_edges): Likewise.
13640 (cleanup_dead_labels): Likewise.
13641 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13642 (bsi_move_before, bsi_move_after): Likewise.
13643 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13644 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13646 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13649 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13651 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13652 on non gimple variables. Also add checks at the top for decls and
13654 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13656 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13657 and IMAGPART_EXPR for creating MUST_DEFs.
13658 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13659 and NAME_MEMORY_TAG separately from the DECLs.
13661 2006-01-06 Richard Guenther <rguenther@suse.de>
13663 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13664 annotation, if necessary.
13665 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13666 redundant calls to update_stmt.
13667 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13670 2006-01-05 Richard Henderson <rth@redhat.com>
13672 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13674 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13676 * c-typeck.c: Update copyright date.
13678 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13680 * c-typeck.c (build_c_cast): Always warn when casting
13681 from a pointer to an integer of different size, even if
13682 the node was constant.
13684 2006-01-05 Richard Guenther <rguenther@suse.de>
13686 PR tree-optimization/22555
13687 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13688 if one structure field is an array.
13689 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13690 operands even if we found a subvar, but ignore VOPs in this
13692 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13694 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13696 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13698 PR middle-end/24998
13699 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13701 2006-01-05 Richard Guenther <rguenther@suse.de>
13702 Diego Novillo <dnovillo@redhat.com>
13704 * tree-pass.h (TODO_remove_unused_locals): Define.
13705 * gimple-low.c (expand_var_p, remove_useless_vars,
13706 pass_remove_useless_vars): Remove. Update all users.
13707 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13708 (remove_unused_locals): New function.
13709 * tree-flow.h (remove_unused_locals): Declare.
13710 * passes.c (execute_todo): Call remove_unused_locals if
13711 TODO_remove_unused_locals is set.
13712 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13713 * tree-ssa-dce.c (pass_dce): Likewise.
13714 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13716 2006-01-05 Richard Guenther <rguenther@suse.de>
13718 * tree-flow.h (struct fieldoff): Decompose field to
13719 type, size and decl.
13720 * tree-ssa-alias.c (create_sft): Take type as parameter.
13721 (create_overlap_variables_for): Store type, size and decl
13722 in the fieldoff structure.
13723 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13724 of struct fieldoff.
13725 (push_fields_onto_fieldstack): Likewise.
13726 (create_variable_info_for): Likewise. Use offset for the
13727 SFT name if the decl is not available.
13729 2006-01-04 Paul Brook <paul@codesourcery.com>
13731 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13733 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13735 * lambda-code.c (can_put_in_inner_loop): Relax
13737 (can_put_after_inner_loop): New function.
13738 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13739 (perfect_nestify): Change to make copies and modify uses.
13741 2006-01-04 Richard Henderson <rth@redhat.com>
13743 Merge from gomp branch:
13744 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13745 via integer constant.
13746 (pragma_lex): Remove.
13747 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13748 rather than parsing it.
13749 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13750 handle_pragma_extern_prefix): Add %< %> quotes.
13751 (registered_pragmas): New.
13752 (c_register_pragma_1): New.
13753 (c_register_pragma): Use it.
13754 (c_register_pragma_with_expansion): Likewise.
13755 (c_invoke_pragma_handler): New.
13756 (init_pragma): Use cpp_register_deferred_pragma directly for
13758 * c-pragma.h (enum pragma_kind): New.
13759 (pragma_handler): New.
13760 (c_invoke_pragma_handler): Declare.
13761 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13763 * c-common.h (c_common_pch_pragma): Update decl.
13764 * Makefile.in (c-parser.o): Update dependencies.
13765 (GTFILES): Add c-pragma.h.
13766 * c-parser.c (struct c_token): Add pragma_kind.
13767 (struct c_parser): Add in_pragma.
13768 (c_lex_one_token): Always initialize keyword and pragma_kind.
13769 Extract data for CPP_PRAGMA.
13770 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13771 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13772 Don't allow CPP_PRAGMA_EOL if in_pragma.
13773 (c_parser_consume_pragma): New.
13774 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13775 (c_parser_skip_to_end_of_parameter): Likewise.
13776 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13777 (c_parser_skip_to_pragma_eol): New.
13778 (c_parser_external_declaration): Handle CPP_PRAGMA.
13779 (c_parser_compound_statement_nostart): Likewise.
13780 (c_parser_statement_after_labels): Likewise.
13781 (c_parser_pragma): New.
13782 (pragma_lex): Likewise.
13783 (c_parser_pragma_pch_preprocess): New.
13784 (c_parser_new): Merge into ...
13785 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13787 2006-01-04 Jeff Law <law@redhat.com>
13790 * tree-cfg.c (bsi_replace): Remove the original statement
13791 from the EH throw statement table.
13793 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13795 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13796 make the prototype extern "C" and add throw ().
13799 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13800 and pos non-negative and pos + len <= 32.
13801 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13802 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13803 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13806 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13807 as well as sizes not multiple of component size.
13810 * function.c (instantiate_expr): New function.
13811 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13812 walk its DECL_VALUE_EXPR with instantiate_expr.
13814 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13815 DW_OP_deref{,_size} if address isn't going to be added.
13817 2006-01-04 Ben Elliston <bje@au.ibm.com>
13819 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13820 * config/fp-bit.c: Likewise.
13822 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13824 * dominance.c: Add comment about why we use DFS numbering
13827 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13828 Richard Henderson <rth@redhat.com>
13830 Merge from gomp-branch:
13831 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13832 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13834 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13836 PR rtl-optimization/25578
13837 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13838 pass a parameter to simplify_shift_const if changing ASHIFTRT
13841 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13843 * builtins.c (get_builtin_sync_mem): New function.
13844 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13845 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13846 Call get_builtin_sync_mem to generate mem rtx.
13848 2006-01-03 Richard Guenther <rguenther@suse.de>
13851 * stmt.c (add_case_node): Make sure to clear overflow flags
13854 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13856 Merge from gomp-branch.
13857 * config/sparc/sync.md: New file.
13858 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13859 UNSPECV_LDSTUB): New constants.
13860 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13861 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13862 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13865 2006-01-03 Roger Sayle <roger@eyesopen.com>
13867 * combine.c (reg_subword_p): New predicate to test whether the
13868 destination of a set refers to a subword/piece of a register.
13869 (try_combine): Generalize the code to merge the setting of a
13870 pseudo to a constant followed by a set of a subword of that
13871 register to a constant.
13873 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13875 * basic-block.h (control_flow_graph): Change the type of
13876 x_label_to_block_map to VEC(basic_block,gc) *.
13877 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13878 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13880 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13881 VEC(basic_block,heap) *.
13882 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13883 ssa_prop_fini): Adjust the uses of cfg_blocks.
13885 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13887 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13889 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13890 hashing trees instead of a pointer hash.
13891 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13892 compare for MEM_EXPR.
13894 PR rtl-optimization/25130
13895 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13896 when comparing MEMs for GCSE
13898 2006-01-03 Ben Elliston <bje@au.ibm.com>
13900 * targhooks.h (default_decimal_float_supported_p): Declare.
13901 * targhooks.c (default_decimal_float_supported_p): Define.
13902 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13903 `default_decimal_float_supported_p'.
13904 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13906 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13908 * combine.c (apply_distributive_law <SUBREG>): Check
13909 TRULY_NOOP_TRUNCATION.
13911 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13913 * dwarf2out.c (have_switched_text_section): Delete.
13914 (have_multiple_function_sections): New.
13915 (have_location_lists): Make 'bool'.
13916 (add_AT_loc_list): Use 'true' not '1'.
13917 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13918 (output_loc_list): Use have_multiple_function_sections.
13919 (output_ranges): Likewise.
13920 (dwarf2out_begin_function): Set have_multiple_function_sections if
13922 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13923 Check function_section rather than DECL_SECTION_NAME.
13924 (dwarf2out_finish): Use have_multiple_function_sections.
13925 Don't clear have_location_lists.
13927 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13928 Jan Hubicka <jh@suse.cz>
13930 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13931 case of conditional jump jumping to the next instruction.
13932 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13933 cases of conditional jump jumping to the next instruction.
13935 2006-01-02 Jan Hubicka <jh@suse.cz>
13937 * i386.c (*_cost): Add COSTS_N_INSNS.
13938 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13940 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13943 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13945 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13947 * config/arm/arm.c (all_fpus): Fix comment typo.
13948 * config/darwin.c: Likewise.
13949 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13950 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13951 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13953 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13955 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13956 (rs6000_split_compare_and_swapqhi): New.
13957 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13958 (sync_compare_and_swapqhi_internal): New.
13959 * config/rs6000/rs6000-protos.h: Declare.