1 2006-08-17 Jan Hubicka <jh@suse.cz>
3 PR tree-optimization/27865
4 * reload1.c (forget_marked_reloads): New function.
5 (forget_old_reloads_1): When data are passed, just mark the registers
7 (reload_as_needed): Use the new mechanizm.
9 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
12 * reload.h (reg_equiv_alt_mem_list): New declaration.
13 * reload1.c (reg_equiv_alt_mem_list): New definition.
14 (reload): Initialize it and release it.
15 (delete_output_reload): Use it.
16 * reload.c (push_reg_equiv_alt_mem): New function.
17 (find_reloads_toplev): Call it.
18 (find_reloads_address, find_reloads_address_1): Likewise.
19 (find_reloads_subreg_address): Likewise.
21 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
23 PR rtl-optimization/28489
24 * sched-ebb.c (begin_schedule_ready): Create basic block
26 (advance_target_bb): Skip empty blocks.
27 * haifa-sched.c (bb_note): Make global.
28 * sched-int.h (bb_note): Add prototype.
30 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
32 PR tree-optimization/27865
33 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
35 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
36 fold_used_pointer, pointer_used_p): New functions.
37 (analyze_scalar_evolution_1): Use fold_used_pointer.
38 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
39 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
42 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
45 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
46 or the INTEGER_CST. Fail on a CALL_EXPR.
47 (fold_offsetof): Pass new argument to fold_offsetof_1.
48 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
49 operand into an INDIRECT_REF.
50 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
52 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
55 * value-prof.c (static_values): Removed.
56 (tree_find_values_to_profile): Do not set static_values.
57 (find_values_to_profile): Do not free static_values.
58 * profile.c (instrument_values): Do not free the values.
59 (branch_prob): Free the values.
61 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
63 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
65 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
68 * c-typeck.c (build_component_ref): Combine qualifiers of
69 structure or union and field.
71 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
73 PR rtl-optimization/28071
74 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
75 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
76 * tree-into-ssa.c (struct dom_dfsnum): New.
77 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
79 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
80 compute_global_livein.
81 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
82 in phi nodes in the correct blocks.
84 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
86 PR tree-optimization/28364
87 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
89 (fold_affine_expr): New function.
90 (may_eliminate_iv): Use fold_affine_expr.
92 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
95 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
98 2006-08-16 Mike Stump <mrs@apple.com>
100 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
101 * doc/cppopts.texi (-MD): Likewise.
103 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
106 * c-common.c (handle_weak_attribute): Ignore and warn if
107 not a FUNCTION_ or VAR_DECL.
109 2006-07-15 Mike Stump <mrs@apple.com>
112 * c-parser.c (c_parser_typeof_specifier): Don't use
113 c_finish_expr_stmt, open code desired semantics instead.
115 2006-08-15 Nick Clifton <nickc@redhat.com>
117 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
118 fragment to tmake_file only if threads are enabled.
119 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
120 * config/i386/t-gthr-win32: New file. ... here.
122 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
125 * c-parser.c (c_parser_compound_statement_nostart): Reset
126 parser->error after each statement.
128 2006-08-15 Jakub Jelinek <jakub@redhat.com>
131 * omp-low.c (lower_omp_parallel): Convert t to
132 receiver_decl's type.
133 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
134 source before comparison.
137 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
138 to itype in assignment to oldival2.
140 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
144 * c-typeck.c (build_compound_expr): If the second expression
145 is an error mark, then just return an error mark instead of
146 creating a COMPOUND_EXPR.
148 2006-07-14 Mike Stump <mrs@apple.com>
150 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
152 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
154 * c-decl.c, var-tracking.c: Fix comment typos.
156 2006-08-14 Richard Sandiford <richard@codesourcery.com>
158 PR rtl-optimization/28634
159 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
160 for floating-point modes unless flag_unsafe_math_optimizations.
162 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
163 Andrew Pinski <pinskia@physics.uc.edu>
166 * tree.c (build_array_type): Unify array types with
167 unspecified index_type.
168 * c-decl.c (grokdeclarator): Make sure we do not modify a
169 unified incomplete array type.
170 * c-typeck.c (store_init_value): Create distinct type before
171 filling in the index type in an initializer from a compound
174 * c-decl.c (grokdeclarator): Remove code where we copy the
177 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
179 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
180 into account for TODO_dump_cgraph.
181 (TODO_update_ssa_no_phi): Likewise.
182 (TODO_update_ssa_full_phi): Likewise.
183 (TODO_update_ssa_only_virtuals): Likewise.
184 (TODO_remove_unused_locals): Likewise.
185 (TODO_set_props): Likewise.
186 (TODO_update_stmt_usage): Likewise.
188 2006-08-13 Dirk Mueller <dmueller@suse.de>
190 * c-common.c (strict_aliasing_warning): Fix formatting.
192 2006-08-13 Matthias Klose <doko@debian.org>
194 * doc/invoke.texi: Fix spelling errors.
196 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
198 PR rtl-optimization/23454
199 * reorg.c (relax_delay_slots): Update comment.
201 2006-08-11 Richard Guenther <rguenther@suse.de>
204 * simplify-rtx.c (simplify_const_relational_operation):
205 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
208 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
210 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
211 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
213 2006-08-10 Paul Brook <paul@codesourcery.com>
215 * final.c (final_scan_insn): Clear current_insn_predicate before
216 outputting inline asm.
218 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
220 PR tree-optimization/26197
221 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
222 get_ref_base_and_extent and overlap_subvar to add only relevant
223 subvars as may-aliases.
224 (add_may_alias_for_new_tag): New function, factored out of
226 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
227 with additional argument.
228 * tree-flow.h (new_type_alias): Takes additional argument.
230 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
232 * gcov.c (no_data_file): New flag.
233 (read_count_file): Set it if data file not present. Assume counts
235 (output_lines): Don't name the data file, if there wasn't one.
237 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
239 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
240 (rs6000_generate_compare): Tweak comments.
241 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
243 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
245 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
246 (var_debug_decl): New function.
247 (var_reg_set): Follow debug decl link. Add location even if
248 reg is already known to hold some other variable.
249 (var_mem_set): Follow debug decl link.
250 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
251 decl link. Delete other known locations of the variable part
253 (var_reg_delete, var_mem_delete): Delete other known locations
254 of the variable part if requested.
255 (same_variable_part_p): New function.
256 (add_stores): Select MO_COPY when appropriate.
257 (vt_initialize): Handle it.
258 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
259 known locations for MO_SET and MO_CLOBBER.
260 (find_variable_location_part): New function.
261 (set_variable_part, delete_variable_part): Use it.
262 (clobber_variable_part): New function.
263 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
266 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
268 PR tree-optimization/26969
269 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
270 with an empty list of PHIs.
272 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
276 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
279 2006-08-06 Andreas Schwab <schwab@suse.de>
281 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
282 string. Whitespace and comment fixup.
284 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
287 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
291 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
294 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
296 2006-08-04 Jan Hubicka <jh@suse.cz>
300 * reload.c (push_reload): Patch out the mismatching instruction;
302 (find_reload): Bail out if the instruction was patched out.
304 2006-08-04 Jan Hubicka <jh@suse.cz>
306 PR tree-optimization/24888
307 * tree-inline.c (expand_call_inline): Do not re-record variables.
308 (declare_inline_vars): Add variable to unexpanded_var_list.
310 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
311 Roger Sayle <roger@eyesopen.com>
313 PR rtl-optimization/26244
314 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
315 inner_const are negative or greater than or equal to the bitsize of
316 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
317 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
318 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
319 CONST0_RTX (mode) when the new shift count is greater than or equal to
320 to the bitsize of the object being shifted and XEXP (y, 0) has no side
323 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
325 * tree-cfg.c: Fix a comment typo.
327 2006-08-03 Mark Mitchell <mark@codesourcery.com>
330 * varasm.c (output_constant): Give the front end another chance to
331 expand constants, after stripping NOPs.
333 2006-08-03 Jan Hubicka <jh@suse.cz>
335 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
338 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
340 PR tree-optimization/27770
341 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
342 declaration removed (moved to tree-flow.h).
343 (vect_can_force_dr_alignment_p): Likewise.
344 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
345 (moved from tree-vectorizer.h).
346 (vect_can_force_dr_alignment_p): Likewise.
347 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
348 from outside the vectorizer - in particular from cgraph stage.
349 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
350 the alignment of global arrays when -fsection-anchors is enabled.
351 * cgraphunit.c (cgraph_increase_alignment): New function.
352 (cgraph_optimize): Call cgraph_increase_alignment.
354 2006-08-03 David Edelsohn <edelsohn@gnu.org>
357 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
358 not reload a SPE symbol_ref into a lo_sum address.
360 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
363 * dwarf2out.c (prune_unused_types_prune): Move call to
364 prune_unused_types_update_strings to cover the parent DIE also.
366 2006-08-02 Jan Hubicka <jh@suse.cz>
368 PR gcov/profile/28480
369 * tree-cfg.c (change_bb_for_stmt): New function.
370 (tree_merge_blocks, tree_split_blocks): Use it.
372 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
378 * toplev.c (compile_file): Return early on errorcount or sorrycount.
379 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
380 (cgraph_optimize): Likewise.
382 2006-08-01 Stuart Hastings <stuart@apple.com>
384 * rtl.h (UINTVAL) New.
385 * config/rs6000/rs6000.c (SMALL_INT) Use it.
386 * testsuite/gcc.dg/20060801-1.c: New.
388 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
391 * c-typeck.c (build_external_type): Mark used enum types.
392 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
394 (gen_subprogram_die): Whitespace fix.
396 2006-08-01 Jan Hubicka <jh@suse.cz>
398 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
399 bitmap when not needed.
400 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
403 2006-08-01 Dirk Mueller <dmueller@suse.de>
405 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
407 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
409 * Makefile.in: Revert part of previous patch:
410 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
413 2006-07-30 Eric Christopher <echristo@apple.com>
416 * doc/extend.texi (i386 Variable Attributes): Add anchor.
417 (PowerPC Variable Attributes): New section.
419 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
421 PR target/28126 (partial fix)
422 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
424 2006-07-28 Jan Hubicka <jh@suse.cz>
426 PR rtl-optimization/28071
427 * cfgrtl.c (rtl_delete_block): Free regsets.
428 * flow.c (allocate_bb_life_data): Re-use regsets if available.
430 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
432 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
433 and variables used in dependencies.
435 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
437 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
438 %fs for -mcmodel=kernel.
439 (stack_tls_protect_test_di): Likewise.
441 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
443 * Makefile.in: Use mkinstalldirs.
445 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
448 * opts-common.c (prune_options): Skip joined switches.
450 2006-07-27 Jan Hubicka <jh@suse.cz>
452 PR rtl-optimization/28071
453 * cselib.c (cselib_process_insn): Don't remove useless values too
454 often for very large hashtables.
456 2006-07-27 Jan Hubicka <jh@suse.cz>
458 PR rtl-optimization/28071
459 * global.c (greg_obstack): New obstack.
460 (allocate_bb_info): Use it.
461 (free_bb_info): Likewise.
462 (modify_reg_pav): Likewise.
464 2006-07-27 Roger Sayle <roger@eyesopen.com>
466 * builtins.c (fold_fixed_mathfn): When long and long long are the
467 same size, canonicalize llceil*, llfloor*, llround* and llrint*
468 functions to their lceil*, lfloor*, lround* and lrint* forms.
470 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
473 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
475 (rev_branch_insn): Likewise.
477 2006-07-27 Jan Hubicka <jh@suse.cz>
479 PR rtl-optimization/28071
480 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
481 (reg_set_in_bb, max_reg_computed): New static variables.
482 (regmove_optimize): Free the new array.
483 (fixup_match_1): Update call of reg_is_remote_constant_p.
485 2006-07-26 Jan Hubicka <jh@suse.cz>
487 PR tree-optimization/27882
488 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
490 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
492 (cgraph_analyze_compilation_unit): Likewise.
493 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
494 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
495 (cgraph_early_inlinine): Make order garbage collected.
496 * Makefile.in (gt-ipa-inline): New garbagecollected file.
498 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
500 * dbxout.c (output_types_sort): Add a comment.
501 (output_used_types): Free the VEC.
503 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
505 * function.c (reorder_fix_fragments): Delete.
506 (reorder_blocks): Don't call it.
507 (reorder_blocks_1): Put all subblocks under the origin block.
509 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
511 PR rtl-optimization/27907
512 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
515 2006-07-25 Roger Sayle <roger@eyesopen.com>
518 * convert.c (convert_to_integer): When transforming (T)foo(x) into
519 bar(x) check that bar's result type can represent all the values of T.
521 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
523 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
525 2006-07-25 Nick Clifton <nickc@redhat.com>
527 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
529 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
530 (ggc_pch_count_object): Likewise.
531 (ggc_pch_alloc_object): Likewise.
532 (ggc_pch_write_object): Likewise.
533 (init_ggc): Do not attempt to initialize entries in the
534 size_lookup[] array for objects whose size is greater than than
535 the length of the array.
537 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
539 * dbxout.c (output_used_types_helper): Push queued types
541 (output_types_sort): New.
542 (output_used_types): Collect used types on a VEC and sort them
545 2006-07-24 Richard Guenther <rguenther@suse.de>
548 * cgraph.c (cgraph_remove_node): Do not check if dumps
550 * cgraphunit.c (cgraph_optimize): Likewise.
552 2006-07-24 Jan Hubicka <jh@suse.cz>
554 PR rtl-optimization/28071
555 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
556 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
557 splitting before first stmt.
559 2006-07-24 Jan Hubicka <jh@suse.cz>
561 PR rtl-optimization/28071
562 * ipa-inline.c (update_caller_keys): Remove edges that
563 are no longer inline candidates.
565 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
568 * dbxout.c (output_used_types_helper, output_used_types): New.
569 (dbxout_symbol): Call output_used_types.
571 2006-07-23 Jan Hubicka <jh@suse.cz>
575 * cgraph.c (cgraph_varpool_nodes): Export.
576 (decide_is_variable_needed): Ignored "used" attribute in
578 * cgraph.h (cgraph_varpool_nodes): Declare.
579 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
582 2006-07-23 Roger Sayle <roger@eyesopen.com>
585 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
586 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
587 the __gthrw form of thr_keycreate.
588 (__gthread_key_delete): Silence the unused argument warning.
590 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
593 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
594 Cache the last found '\0' marker to avoid quadratic behavior.
596 2006-07-23 Jan Hubicka <jh@suse.cz>
598 * i386.md (subsi_3_zext): Fix output template.
600 2006-07-21 Mike Stump <mrs@apple.com>
602 * doc/invoke.texi (C++ Dialect Options): Note that
603 -fvisibility-inlines-hidden doesn't affect explicitly
604 instantiationed inline methods.
606 2006-07-20 Roger Sayle <roger@eyesopen.com>
608 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
609 if the target assembler is GNU binutils' gas.
610 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
611 whether to pass GNU gas or native as command line options.
613 2006-07-20 Jason Merrill <jason@redhat.com>
615 * tree.c (remove_attribute): New fn.
616 * tree.h: Declare it.
618 2006-07-20 Paul Brook <paul@codesourcery.com>
621 * cse.c (cse_insn): Add destination addresses to hash table. Check if
622 they are invalidated by this instruction.
624 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
627 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
629 2006-07-20 Eric Christopher <echristo@apple.com>
632 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
634 2006-07-19 Eric Christopher <echristo@apple.com>
636 * config/t-slibgcc-darwin (stmp-lipo): Remove.
637 Rewrite dependencies for libgcc_s.1.dylib.
639 2006-07-19 Jakub Jelinek <jakub@redhat.com>
641 * except.c (duplicate_eh_regions_1): Clear next_peer.
643 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
645 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
646 -mlongcall does not guarantee all calls will be long.
647 * doc/extend.texi (long_call/short_call): Document that longcall
648 does not guarantee a long call will be used.
649 (longcall/shortcall): Likewise.
651 2006-07-18 Roger Sayle <roger@eyesopen.com>
654 * expmed.c (expand_shift): Additionally check that the shift_cost
655 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
656 before implementing a LSHIFT_EXPR as a sequence of additions.
657 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
658 middle-end that DImode shifts need to be synthesized by expand.
660 2006-07-18 Diego Novillo <dnovillo@redhat.com>
663 * tree-ssa-operands.c (access_can_touch_variable): Update
665 Return true if ALIAS is .GLOBAL_VAR.
667 2006-07-18 David Daney <ddaney@avtrex.com>
669 * gcc.c (display_help): Fix typo in help text.
671 2006-07-18 Olivier Hainque <hainque@adacore.com>
673 * tree.h (categorize_ctor_elements): Adjust prototype and add
674 descriptive comment, both in accordance with the interface change
676 * varasm.c (constructor_static_from_elts_p): New function.
677 Whether a constructor node is a valid static constant initializer
678 if all its elements are.
679 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
680 * output.h: Declare it.
681 * expr.c (categorize_ctor_elements_1): Return whether the constructor
682 is a valid constant initializer instead of computing the number of
683 non-constant elements. Use constructor_static_from_elts_p for this
684 purpose. Replace the head comment with an indication that this is a
685 helper for categorize_ctor_elements.
686 (categorize_ctor_elements): Same interface change as for the _1
687 helper. Former head comment from this helper moved here, adjusted to
688 account for the interface changes.
689 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
690 (all_zeros_p): Likewise.
691 * gimplify.c (gimplify_init_constructor): Decide whether we can make
692 static versions of the constructor from the categorize_ctor_elements
693 return value instead of the formerly computed number of non-constant
696 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
698 * configure: Regenerate.
699 * Makefile.in (build_libsubdir): New configure substitution
700 (build_libobjdir): New variable.
701 (BUILD_LIBIBERTY): Use it.
703 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
706 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
708 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
711 * c-common.c (handle_weakref_attribute): Ignore attribute in
712 the same conditions the alias attribute is ignored.
714 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
716 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
717 (dbxout_begin_prologue): Increment scope_labelno.
719 2006-07-17 Richard Henderson <rth@redhat.com>
722 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
725 2006-07-17 Roger Sayle <roger@eyesopen.com>
726 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
728 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
729 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
730 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
731 functions such as sbrk, write, etc.. Add function prototypes.
732 Convert function declarations from K&R to ISO C. Cast pointers
733 to "long" and "unsigned long" instead of "int" and "unsigned int".
734 Convert tokens following #endif into comments.
736 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
738 * invoke.texi: Remove mention of f77; Reformat table for
739 inline parameter options correctly; mention that -malign-double
740 is default on x86-64 targets.
742 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
744 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
745 (convert_affine_scev, chrec_convert_aggressive): Use
746 avoid_arithmetics_in_type_p. Do not check for the subtypes
749 2006-07-17 Richard Sandiford <richard@codesourcery.com>
752 * optabs.c (expand_doubleword_shift): Wrap the call to
753 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
755 2006-07-17 Richard Sandiford <richard@codesourcery.com>
758 * optabs.c (expand_binop): Pass next_methods rather than methods
759 to expand_doubleword_shift.
761 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
764 * tree.h (dump_addr): Declare.
765 * print-tree.c (dump_addr): New function.
766 (print_node_brief, print_node): Use it.
767 * print-rtl.c (print_rtx): Likewise.
768 * common.opt (-fdump-noaddr): New option.
769 * doc/invoke.texi (-fdump-noaddr): Document.
770 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
771 (ve_info_hash): Likewise.
773 2006-07-13 Andrew Haley <aph@redhat.com>
775 PR tree-optimization/19505
776 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
777 edge leaving this block, make sure that the destination of this
778 block has only one predecessor.
780 2006-07-17 Richard Guenther <rguenther@suse.de>
782 PR tree-optimization/28238
783 * tree-inline.c (copy_bb): Check if we produced valid
784 gimple copying and substituting a stmt. If not, gimplify
787 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
789 * optabs.c (maybe_encapsulate_block): New function extracted from...
790 (emit_libcall_block): ...here. Invoke it on the block of insns to
791 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
792 (emit_no_conflict_block): Likewise.
794 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
796 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
798 2006-07-15 Roger Sayle <roger@eyesopen.com>
800 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
801 a new NOP_EXPR case of the switch statement.
803 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
806 * stor-layout.c (place_field): Take the bit field with
807 an excessive size into account in the ms-bitfiled case.
810 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
811 the previous bit field.
813 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
816 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
818 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
820 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
821 signal frames correctly even when the signal was installed with
824 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
826 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
827 (dbxout_function_end): Use local label LFBB. Remove hook
829 (dbxout_source_line): Use local label LFBB.
830 (dbxout_block): Likewise.
831 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
832 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
833 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
836 2006-07-13 Janis Johnson <janis187@us.ibm.com>
838 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
840 2006-07-13 Jan Hubicka <jh@suse.cz>
842 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
844 * output.h (align_variable): Declare.
845 * varasm.c (align_variable): Export.
846 * value-prof.c (tree_value_profile_transformations): Recompute iterator
847 when basic block changed.
849 2006-07-13 Nick Clifton <nickc@redhat.com>
851 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
852 walking the LOG_LINKS chain.
854 2006-07-12 Geoffrey Keating <geoffk@apple.com>
856 * doc/invoke.texi (C++ Dialect Options): Explain difference
857 between -fvisibility-inlines-hidden and setting hidden
858 visibility explicitly.
860 2006-07-12 Eric Christopher <echristo@apple.com>
862 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
863 (stmp-lipo): Depend on libgcc.a.
865 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
867 * tree.c: Fix a comment typo.
869 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
871 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
873 (umulhisi3_r): Likewise.
875 2006-07-12 Paolo Carlini <pcarlini@suse.de>
878 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
879 x < 19, vs wchar_t support.
881 2006-07-12 Nick Clifton <nickc@redhat.com>
883 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
886 2006-07-12 Mike Stump <mrs@apple.com>
888 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
890 2006-07-10 Eric Christopher <echristo@apple.com>
892 * config/t-slibgcc-darwin: Rewrite.
894 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
897 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
900 2006-07-08 Matthias Klose <doko@debian.org>
902 * doc/sourcebuild.texi: Fix typo.
904 2006-07-07 Mike Stump <mrs@apple.com>
906 * toplev.c (process_options): Don't give -ffunction-sections may
907 affect debugging warning for Mach-O.
909 2006-07-07 James E Wilson <wilson@specifix.com>
911 * config/mips/mips.md (cpu): Add sb1a.
912 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
913 addition to sb1. Adjust comments to clarify SB-1A differences from
915 (ir_sb1a_load): New. Modify bypasses to use it.
916 (ir_sb1a_simple_alu): Likewise.
917 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
918 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
919 (mips_issue_rate): Add PROCESSOR_SB1A.
920 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
921 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
922 (TARGET_SB1): Add PROCESSOR_SB1A check.
923 (TUNE_SB1): Likewise.
925 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
926 * config/mips/mips.c (mips_store_data_bypass_p): New.
927 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
930 2006-07-08 Paul Brook <paul@codesourcery.com>
933 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
935 2006-07-07 Richard Guenther <rguenther@suse.de>
938 * tree.h (build_one_cst): Declare.
939 * tree.c (build_one_cst): New function.
940 * tree-ssa-math-opts.c (get_constant_one): Remove.
941 (insert_reciprocals): Use build_one_cst.
942 * fold-const.c (fold_plusminus_mult): Likewise.
944 2006-07-07 Roger Sayle <roger@eyesopen.com>
946 * pointer-set.c (pointer_set_destroy): Correct whitespace.
947 * cfgloopanal.c (dump_graph): Likewise.
948 * dojump.c (discard_pending_stack_adjust): Likewise.
949 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
951 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
952 * function.c (finalize_block_changes): Likewise.
953 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
954 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
955 * rtl.c (dump_rtx_statistics): Likewise.
956 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
958 * varray.c (dump_varray_statistics): Likewise.
959 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
960 decode_decimal64, encode_decimal128, decode_decimal128,
961 decimal_real_to_decimal): Likewise.
963 2006-07-07 Richard Guenther <rguenther@suse.de>
965 PR tree-optimization/28187
966 * tree-vrp.c (vrp_operand_equal_p): New function.
967 (vrp_bitmap_equal_p): Likewise.
968 (update_value_range): Use them to compare old and new
971 2006-07-06 Roger Sayle <roger@eyesopen.com>
973 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
974 a default case to switch statement to silence compiler warnings.
976 2006-07-06 Roger Sayle <roger@eyesopen.com>
979 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
980 the configured assembler supports the x87's ffreep mnemonic.
981 * configure: Regenerate.
982 * config.in: Regenerate.
984 * config/i386/i386.c (output_387_ffreep): New function.
985 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
986 (output_387_reg_move): Likewise.
988 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
990 Port to hosts whose 'sort' and 'tail' implementations
991 treat operands with leading '+' as file names, as POSIX
992 has required since 2001. However, make sure the code still
993 works on pre-POSIX hosts.
994 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
995 which says you should use "tail -c +N" rather than "tail +Nc".
996 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
998 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1000 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1003 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1006 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1007 PRE_{INC,DEC} of TFmode.
1009 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1010 Alan Modra <amodra@bigpond.net.au>
1013 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1016 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1019 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1020 Remove duplicate gtu.
1022 2006-07-05 Jason Merrill <jason@redhat.com>
1026 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1027 * c-common.c (handle_packed_attribute): So don't copy it here.
1028 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1030 2006-07-05 Mike Stump <mrs@apple.com>
1032 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1034 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1037 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1039 2006-07-05 Richard Guenther <rguenther@suse.de>
1042 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1043 TARGET_SSE2 targets if using SSE math.
1044 (*absdf2_1): Likewise.
1046 2006-07-05 Richard Guenther <rguenther@suse.de>
1048 PR tree-optimization/28162
1049 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1050 make sure to convert the operands to the correct type.
1052 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1054 PR tree-optimization/28218
1056 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1057 to calculate and free the dominator information.
1059 2006-07-04 Peter O'Gorman <peter@pogma.com>
1061 * mklibgcc.in: chmod 644 before ranlib during install.
1063 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1064 J"orn Rennecke <joern.rennecke@st.com>
1066 * configure.ac (.eh_frame data check): Use diff -b.
1068 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1071 * Makefile.in (BUILD_RTL): Add build/vec.o.
1072 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1073 (build/genextract): Delete.
1074 (build/genautomata): Likewise.
1076 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1079 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1080 128-bit IBM long doubles for ABI_V4.
1082 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1084 * tree.c (range_in_array_bounds_p): New predicate.
1085 * tree.h (range_in_array_bounds_p): Declare it.
1086 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1087 return a less conservative answer.
1088 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1089 and flag 'is_group'.
1090 (IS_ELEMENT_FOR_GROUP): New macro.
1091 (FOR_EACH_ACTUAL_CHILD): Likewise.
1092 (next_child_for_group): New helper function.
1093 (can_completely_scalarize_p): Take into account groups.
1094 (sra_hash_tree): Handle RANGE_EXPR.
1095 (sra_elt_eq): Likewise.
1096 (lookup_element): Be prepared for handling groups.
1097 (is_valid_const_index): Delete.
1098 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1099 instead of is_valid_const_index.
1100 <ARRAY_RANGE_REF>: New case.
1101 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1102 is_valid_const_index.
1103 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1104 (scan_dump): Dump info for groups too.
1105 (decide_instantiation_1): Likewise.
1106 (decide_block_copy): Assert that the element is not a group.
1107 Propagate decision to groups.
1108 (generate_one_element_ref): Handle RANGE_EXPR.
1109 (mark_no_warning): Iterate over actual childs.
1110 (generate_copy_inout): Likewise.
1111 (generate_element_copy): Likewise.
1112 (generate_element_zero): Likewise.
1113 (generate_element_init_1): Likewise.
1114 (dump_sra_elt_name): Handle RANGE_EXPR.
1116 2006-07-03 Roger Sayle <roger@eyesopen.com>
1118 PR tree-optimization/26251
1119 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1120 (thread_block): When optimizing for size refuse to thread jumps
1121 that would require duplication of blocks other than redirection
1124 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1126 * configure.ac: Fix thinko in previous check-in.
1127 * configure: Regenerate.
1129 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1132 * configure.ac (for lang...): Simplify nesting of conditionals.
1133 Test subdir_requires for non-enabled languages. Move processing
1134 of lang_opt_files and lang_tree_fiels below that test.
1135 * configure: Regenerate.
1136 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1138 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1140 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1142 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1144 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1147 2006-06-29 Jason Merrill <jason@redhat.com>
1154 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1155 * c-common.c (c_determine_visibility): Handle it here.
1156 * c-decl.c (finish_decl): Call c_determine_visibility for
1158 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1160 * varasm.c (default_assemble_visibility): Likewise.
1161 * c-common.c (handle_visibility_attribute): Complain about trying
1162 to give visibility to an already defined class, or trying to change
1163 declared visibility. Always attach the attribute.
1168 * attribs.c (decl_attributes): Ignore type-in-place attributes
1169 once the type has been defined.
1171 2006-06-29 Roger Sayle <roger@eyesopen.com>
1174 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1175 to indicate the cpplib has issued an error message for us.
1177 2006-06-29 Asher Langton <langton2@llnl.gov>
1180 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1181 insert a label at the end of an function under Mach-O.
1183 2006-06-29 Eric Christopher <echristo@apple.com>
1184 Evan Cheng <evan.cheng@apple.com>
1186 * predicates.md (vector_all_ones_operand): New.
1187 (nonimmediate_or_sse_const_operand): Ditto.
1188 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1189 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1190 (standard_sse_mode_p): Ditto.
1191 (standard_sse_constant_p): Add case for -1 vector.
1192 (ix86_expand_vector_move): Try to use.
1193 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1194 Call standard_sse_constant_opcode.
1195 (*movv4sf_internal): Ditto.
1196 (*movv2df_internal): Ditto.
1198 2006-06-29 Roger Sayle <roger@eyesopen.com>
1200 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1201 of XEXP to extract the operands of a MATCH_CODE rtx.
1203 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1205 * tree.c (tree_size): Do not waste tail padding in
1206 struct tree_string and make the size be the same as
1207 build_string will generate.
1209 2006-06-28 Jason Merrill <jason@redhat.com>
1212 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1213 may_aliases already in the tag's annotations to the bitmap.
1215 2006-06-28 Roger Sayle <roger@eyesopen.com>
1217 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1219 2006-06-28 Roger Sayle <roger@eyesopen.com>
1221 * genpreds.c (generate_switch_p): New function.
1222 (add_mode_tests): Push the new mode test down inside an AND expr
1223 if this allows the switch-suitable MATCH_CODE to be near the root.
1224 (write_match_code_switch): New function to write a MATCH_CODE as
1226 (write_predicate_stmts): New function to write a predicate RTX
1227 expression as a sequence of statements.
1228 (write_one_predicate_function): Use write_predicate_stmts.
1229 (write_tm_constrs_h): Likewise.
1231 2006-06-26 Fred Fish <fnf@specifix.com>
1233 * config/mips/t-sb1: New file.
1234 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1237 2006-06-26 DJ Delorie <dj@redhat.com>
1239 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1241 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1242 Jayant Sonar <jayants@kpitcummins.com>
1243 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1245 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1246 (subsi3, subsi3_1, subsi3_2): New.
1247 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1248 * config/m32c/mov.md (SI mov peephole): New.
1249 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1250 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1252 2006-06-26 Olivier Hainque <hainque@adacore.com>
1254 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1255 a CALL_EXPR target function declaration.
1257 2006-06-26 Richard Guenther <rguenther@suse.de>
1259 * tree.c (build_string): Do not waste tail padding in
1262 2006-06-26 Richard Guenther <rguenther@suse.de>
1264 * ggc-page.c (init_ggc): Add missing element to size_lookup
1268 2006-06-23 Richard Guenther <rguenther@suse.de>
1270 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1271 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1272 alignment requests instead. Add verification code.
1273 Add struct tree_function_decl and struct tree_binfo size to
1274 extra_order_size_table. Add missing element to size_lookup
1277 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1280 * fold-const.c (const_binop): Be prepared for self returning zero.
1281 Simplify code handling complex values.
1283 2006-06-24 Olivier Hainque <hainque@adacore.com>
1285 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1286 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1289 2006-06-24 Olivier Hainque <hainque@adacore.com>
1291 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1292 ARRAY_REF, so have the callback called for the low bound expression.
1294 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1296 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1297 * c-typeck.c (c_common_type): Disallow operations on decimal float
1298 types and other float types.
1299 * convert.c (convert_to_real): Don't ignore conversions involving
1300 decimal float types.
1302 2006-06-23 Olivier Hainque <hainque@adacore.com>
1304 * tree.c (max_int_size_in_bytes): New function, inspired from
1305 code in function.c:assign_temp.
1306 * tree.h (max_int_size_in_bytes): Declare.
1307 * function.c (assign_temp): Use it.
1308 * gimplify.c (create_tmp_var): Relax the assertions on the type
1309 properties, not mandating constant size any more.
1310 (force_constant_size): New static function.
1311 (gimple_add_tmp_var): Use it, forcing variable size to a
1312 constant upper bound if it is not constant on entry.
1314 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1317 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1318 for initialization and setting of one_only flag to ...
1319 (i386_pe_encode_section_info): ...here.
1320 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1321 Recheck that the symbol has not been defined.
1323 2006-06-23 Richard Guenther <rguenther@suse.de>
1325 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1326 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1327 alignment requests instead. Add verification code.
1328 Add struct tree_function_decl and struct tree_binfo size to
1329 extra_order_size_table. Add missing element to size_lookup
1332 2006-06-22 Roger Sayle <roger@eyesopen.com>
1333 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1336 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1337 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1339 2006-06-23 Ben Elliston <bje@au.ibm.com>
1341 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1342 negate dn -- manipulate it directly.
1344 2006-06-22 Roger Sayle <roger@eyesopen.com>
1345 Steven Bosscher <stevenb.gcc@gmail.com>
1348 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1349 generated by gen_move_insn to add REG_LABEL notes if necessary.
1351 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1353 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1354 (leaf_entry): Remove use of MIN_ESA.
1356 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1358 PR rtl-optimization/28121
1359 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1362 2006-06-21 DJ Delorie <dj@redhat.com>
1364 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1366 (mulhisi3_r): Likewise.
1368 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1371 * coverage.c (coverage_counter_alloc): Leave the index type
1373 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1376 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1378 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1379 section from the "Options for Code Generation Conventions".
1381 2006-06-21 Richard Henderson <rth@redhat.com>
1385 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1387 (global_symbolic_operand): Allow weak symbols, even if local_p.
1389 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1391 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1392 (find_interesting_uses_address): Punt if above function returns true.
1394 2006-06-21 Richard Guenther <rguenther@suse.de>
1396 * configure: Regenerated.
1398 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1400 * config/mips/mips.c (function_arg): Where one part of a
1401 complex argument is in registers and the other part in the stack,
1402 return a REG not a PARALLEL.
1404 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1406 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1407 when cross-compiling. Do not substitute libstdcxx_incdir.
1408 * configure: Regenerated.
1410 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1412 * varasm.c (mergeable_string_section): Check for embedded NULs and
1413 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1414 rather than TREE_STRING_LENGTH bytes.
1416 2006-06-21 Richard Guenther <rguenther@suse.de>
1418 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1419 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1422 2006-06-21 Richrad Guenther <rguenther@suse.de>
1424 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1425 Limit iteration over the dominators.
1427 2006-06-20 Roger Sayle <roger@eyesopen.com>
1429 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1430 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1432 2006-06-20 Richard Guenther <rguenther@suse.de>
1433 Michael Matz <matz@suse.de>
1435 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1437 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1438 * et-forest.h (et_free_pools): Prototype new function.
1439 * et-forest.c (et_free_tree_force): Free parent occurrence.
1440 (et_free_pools): New function.
1441 * dominance.c (free_dominance_info): Free et-forest alloc
1444 2006-06-20 Roger Sayle <roger@eyesopen.com>
1446 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1447 integer modes, attempt to directly construct an integer constant.
1449 * fold-const.c (native_encode_vector): Determine the size of each
1450 element from the vector type instead of the first vector element.
1452 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1453 if all of its elements/components are constant.
1454 (build_constructor_from_list): Likewise.
1456 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1458 PR tree-optimization/27331
1459 * tree-data-ref.c (free_data_ref): New function.
1460 (create_data_ref): Fail if the data reference has unknown access
1462 (free_data_refs): Use free_data_ref.
1464 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1467 * tree-inline.c (setup_one_parameter): Strip useless
1468 type conversion before adding it to the IR.
1469 (declare_return_variable): Likewise.
1471 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1474 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1476 2006-06-19 Mike Stump <mrs@apple.com>
1478 * tree.c (variably_modified_type_p): VM arguments don't make the
1481 2006-06-19 Richard Guenther <rguenther@suse.de>
1483 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1484 type conversions after folding.
1486 2006-06-19 Richard Guenther <rguenther@suse.de>
1488 * ggc-page.c (extra_order_size_tab): Add entries with
1489 size of struct function and basic_block.
1490 (size_lookup): Extend to cover sizes up to 511.
1491 (ggc_alloc_stat): Adjust user.
1492 (ggc_pch_count_object): Likewise.
1493 (ggc_pch_alloc_object): Likewise.
1494 (ggc_pch_write_object): Likewise.
1496 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1498 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1499 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1502 2006-06-19 Denis Chertykov <denisc@overta.ru>
1504 * config/avr/libgcc.S : Correct my wrong previous commit.
1506 2006-06-19 Roger Sayle <roger@eyesopen.com>
1509 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1510 have stripped a SUBREG from the shift count, so we may need to
1511 convert_to_mode back to the type's mode before calling make_tree.
1512 Use new_amount instead of amount to avoid expanding a tree twice.
1514 2006-06-19 Richard Guenther <rguenther@suse.de>
1517 * fold-const.c (operand_equal_p): Check if the argument types
1518 have the same precision before stripping NOPs.
1520 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1522 Fix PR tree-optimization/27341
1523 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1525 * tree-complex.c (pass_lower_complex): Update SMT usage.
1527 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1529 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1530 Add a new alternative to the constraint strings. Add move of
1531 operand 1 to 3 to the splitter definition.
1532 ("doloop_si_long"): Second contraint alternative removed.
1534 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1536 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1537 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1539 (AVR_HAVE_MOVW) Define.
1540 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1541 (ASM_SPEC): Add avr25.
1542 (LINK_SPEC): Add avr25.
1543 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1544 (base_arch_s): Add new member 'have_movw_lpmx'.
1545 (avr_arch_types): Init 'have_movw_lpmx'.
1546 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1547 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1548 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1549 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1550 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1552 (avr_file_start): Do not output '.arh' derective.
1553 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1554 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1555 * config/avr/avr.md (mcu_enhanced): Delete.
1556 (mcu_have_movw): Define.
1557 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1558 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1559 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1560 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1561 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1562 attiny861 and at86rf401 devices.
1564 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1566 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1569 2006-06-17 Karl Berry <karl@gnu.org>
1571 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1572 doc/gccint.texi, doc/install.texi (@dircategory): Use
1573 "Software development" instead of "Programming", following
1574 the Free Software Directory.
1576 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1578 * config/i386/i386.c (legitimate_tls_address)
1579 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1580 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1581 (*tls_dynamic_gnu2_combine_64): Likewise.
1583 2006-06-16 Richard Guenther <rguenther@suse.de>
1586 * fold-const.c (negate_expr_p): Do not introduce undefined
1587 overflow in negating INTEGER_CSTs.
1588 (fold_negate_expr): Rename from negate_expr. Revert last
1589 change for folding BIT_NOT_EXPR. Change semantics to
1590 return NULL_TREE for non-simplified negations. Do not
1591 strip type conversions and unify type handling.
1592 (negate_expr): New function, wrap around fold_negate_expr
1593 but ensure building a tree always. Strip type conversions
1594 here, fold to result type.
1595 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1597 2006-06-16 Roger Sayle <roger@eyesopen.com>
1600 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1601 that (would) return their results in stack registers.
1603 2006-06-16 Michael Matz <matz@suse.de>
1604 Richard Guenther <rguenther@suse.de>
1606 * fold-const.c (fold_truthop): Only return new tree node if
1607 we canonicalized something.
1609 2006-06-16 Richard Guenther <rguenther@suse.de>
1611 * function.h (enum function_frequency): Move declaration
1612 out of struct function.
1613 (struct function): Move bool fields and the enum to the bitfield
1614 section. Reorder elements to avoid padding. Remove unused
1615 fields left over from the RTL inliner removal.
1616 * function.c (free_after_compilation): Do not zero removed fields.
1617 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1618 (ipa-type-escape.o): Likewise.
1620 2006-06-16 Richard Guenther <rguenther@suse.de>
1622 * cgraph.h (struct cgraph_local_info): Turn bool elements
1624 (struct cgraph_node): Likewise.
1625 (struct cgraph_varpool_node): Likewise.
1627 2006-06-15 Richard Guenther <rguenther@suse.de>
1629 * fold-const.c (fold_truth_not_expr): Rename from
1630 invert_truthvalue. Give it fold_* semantics to avoid
1632 (invert_truthvalue): New function. Wrapper around
1633 fold_truth_not_expr.
1634 (optimize_minmax_comparison): Avoid creating garbage.
1635 (fold_unary): Use fold_truth_not_expr for folding
1637 (fold_ternary): Replace uses of invert_truthvalue with
1638 fold_truth_not_expr where applicable.
1639 * tree.h (fold_truth_not_expr): Prototype.
1641 2006-06-16 Richard Guenther <rguenther@suse.de>
1643 PR tree-optimization/27781
1644 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1645 * ipa-pure-const.c (target.h): Include.
1646 (analyze_function): Do not analyze functions that do not
1649 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1652 * tree-dfa.c (referenced_vars_dup_list): Remove.
1653 (find_referenced_vars): Remove assert.
1654 (referenced_var_check_and_insert): Replace dup list with assert.
1655 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1656 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1658 2006-06-15 Richard Guenther <rguenther@suse.de>
1660 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1661 extra unused identifiers if not dumping.
1662 (create_variable_info_for): Likewise.
1664 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1666 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1667 (derive_constant_upper_bound): Derive more precise upper bound in
1668 common cases. Return type changed to double_int.
1669 (record_estimate): Reflect the changed return type of
1670 derive_constant_upper_bound.
1671 * double-int.c (double_int_zext, double_int_sext): Fix.
1673 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1675 * configure.ac (CFLAGS): Get them from the toplevel or from the
1676 configure invocation.
1677 * configure: Regenerate.
1678 * Makefile.in (CFLAGS): Substitute value provided by configure.
1680 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1683 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1684 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1685 rather than calling add_stmt on it.
1686 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1688 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1691 * reload1.c (reload): Remove registers returned by update_eliminables
1692 from used_spill_regs.
1694 2006-06-13 DJ Delorie <dj@redhat.com>
1696 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1698 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1700 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1701 html__strip_dir, html__mkdir_p. Enhance install-html target.
1702 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1703 * configure: Regenerate.
1705 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1707 * fold-const.c (fold_cond_expr_with_comparison): Check for
1708 Objective-C++ as language in deciding COND_EXPR transformation.
1710 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1713 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1714 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1715 * config/sh/lib1funcs.h (SL, SL1): Define.
1716 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1717 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1718 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1719 (OBJS_Os_4_200): New variable.
1720 ($(T)libgcc-Os-4-200.a): Use it.
1721 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1722 when dividing 1 and/or by 0.
1724 2006-06-13 Roger Sayle <roger@eyesopen.com>
1726 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1727 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1728 * configure: Regenerate.
1730 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1732 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1733 for real instruction.
1735 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1738 * haifa-sched.c (check_cfg): Handle special case.
1740 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1743 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1744 Add debug_info parameter. Chain the vars to the BLOCK instead
1745 of the BIND_EXPR if debug info are requested for them.
1746 (pop_gimplify_context): Adjust for above change.
1747 (gimple_add_tmp_var): Likewise.
1748 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1750 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1751 (convert_local_reference): Likewise.
1752 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1753 (finalize_nesting_tree_1): Request that debug info be emitted
1754 for debug_var_chain.
1756 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1758 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1759 for PR target/27863.
1761 2006-06-13 Richard Guenther <rguenther@suse.de>
1764 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1766 2006-06-13 Richard Guenther <rguenther@suse.de>
1768 PR tree-optimization/27830
1769 * tree-inline.c (copy_body_r): For copying the operand
1770 of an ADDR_EXPR make sure to fold &* afterwards.
1772 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1774 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1775 lvalues in the fb_none case with side-effects.
1777 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1779 * tree-flow.h: Remove the prototype for
1780 compute_phi_arg_on_exit.
1781 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1782 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1785 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1787 * builtins.c (expand_builtin_return_addr): Only use
1788 frame_pointer_rtx when count == 0 and we are expanding
1789 __builtin_return_address.
1791 2006-06-12 Fred Fish <fnf@specifix.com>
1793 * config/mips/mips.c (mips_file_start): Create special section
1794 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1796 2006-06-11 Eric Christopher <echristo@apple.com>
1799 * stor-layout.c (place_field): Remove check for
1800 remaining_in_alignment when aligning at the end of a run.
1802 2006-06-11 Eric Christopher <echristo@apple.com>
1805 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1808 2006-06-11 Roger Sayle <roger@eyesopen.com>
1811 Revert incorrect fix for PR target/27158
1812 2006-05-08 Roger Sayle <roger@eyesopen.com>
1813 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1814 of a reg_equiv_constant if the result is a legitimate constant.
1816 2006-06-11 Roger Sayle <roger@eyesopen.com>
1819 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1820 extract a CONST_VECTOR element and interpret it as an integer.
1821 (vspltis_constant): Use const_vector_elt_as_int instead of the
1822 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1823 * config/rs6000/predicates.md (easy_vector_const): Consider
1824 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1826 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1829 * stor-layout.c (update_alignment_for_field): Don't add extra
1830 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1833 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1835 * config/mips/t-rtems: Add EL/EB multilib variants.
1837 2006-06-09 Mike Stump <mrs@apple.com>
1839 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1841 2006-06-09 David Daney <ddaney@avtrex.com>
1843 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1845 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1847 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1849 2006-06-09 Richard Guenther <rguenther@suse.de>
1851 PR tree-optimization/26998
1852 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1853 of signed types, only TYPE_MIN_VALUE is special, but for both,
1854 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1855 in this case, as is -fwrapv.
1857 2006-06-08 Mike Stump <mrs@apple.com>
1860 * config/darwin.c (darwin_asm_output_anchor): Disable
1861 -fsection-anchors on darwin for now.
1862 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1863 * rs6000/rs6000.c (optimization_options): Likewise.
1865 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1868 * config/i386/i386.c (classify_argument): Skip fields with invalid
1871 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1873 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1874 (cse_insn): Likewise for the stack_pointer_rtx.
1876 2006-06-08 Roger Sayle <roger@eyesopen.com>
1878 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1879 conditions from floating point comparisons.
1881 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1884 * expmed.c (struct alg_hash_entry): Fix type of field T
1885 to match synth_mult argument.
1886 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1888 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1891 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1894 2006-06-08 Richard Guenther <rguenther@suse.de>
1897 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1898 only, if overflow is defined and not trapping.
1899 (negate_expr): Likewise.
1901 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1903 PR tree-optimization/27872
1904 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1905 flag on the new exit edge of the unrolled loop.
1907 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1909 PR rtl-optimization/26449
1910 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1912 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1915 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1916 referenced_variables with matching DECL_UID's.
1917 (find_referenced_vars): Make sure duplicate list is empty to start.
1918 (referenced_var_p): Remove.
1919 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1920 Check if var is in the list, and add if needed. Update the duplicate
1921 list if a different var is in the list with the same DECL_UID.
1922 (add_referenced_var): Call routine to check and insert.
1923 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1924 * tree-flow.h (referenced_vars_dup_list): External declaration.
1926 2006-06-07 Fred Fish <fnf@specifix.com>
1928 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1931 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1934 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1935 the imaginary and real parts of a clobbered register.
1936 Emit insn to set the imaginary part.
1938 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1940 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1941 in lieu of unwind-dw2-fde.c.
1943 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1945 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1947 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1950 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1951 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1952 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1953 V4SImode temporaries and operations instead.
1955 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1957 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1960 2006-06-06 Mike Stump <mrs@apple.com>
1962 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1963 installing during build.
1965 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1967 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1969 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1970 * config/ia64/ia64.c (params.h): New header.
1971 (ia64_optimization_options): New function to adjust parameters.
1972 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1973 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1974 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1976 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1978 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1980 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1983 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1985 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1986 Victor Kaplansky <victork@il.ibm.com>
1988 PR tree-optimization/26360
1989 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1992 2006-06-04 Roger Sayle <roger@eyesopen.com>
1993 Andrew Pinski <pinskia@physics.uc.edu>
1996 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1997 for LABEL_DECL before calling DECL_WEAK.
2000 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2001 LABEL_DECL and PARM_DECL.
2003 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2007 * c-decl.c (grokdeclarator): Disallow variably modified types at
2008 file scope. Avoid marking shared array type of constant size as
2011 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2014 * c-common.c (fold_offsetof_1): Handle static members.
2016 2006-06-04 Eric Christopher <echristo@apple.com>
2018 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2019 (debug_rli): Output value for remaining_in_alignment.
2020 (update_alignment_for_field): Unconditionalize
2021 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2022 extra alignment code.
2023 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2024 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2025 * tree.h (record_layout_info_s): Remove prev_packed.
2026 * doc/extend.texi (ms_struct): Add documentation of format.
2028 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2030 * tree.h: Declare folding_initializer.
2031 * builtins.c (fold_builtin_constant_p): Give definite answer
2032 if folding inside an initializer.
2033 * fold-const.c: Define folding_initializer.
2034 (START_FOLD_INIT): Save and then set folding_initializer.
2035 (END_FOLD_INIT): Restore folding_initializer.
2037 2006-06-04 Richard Guenther <rguenther@suse.de>
2039 PR tree-optimization/27039
2040 * fold-const.c (fold_comparison): Handle pointer comparison
2041 again for all comparison codes. Compare offsets in signed
2043 (fold_binary): Move code from here.
2045 2006-06-03 Roger Sayle <roger@eyesopen.com>
2048 * config/i386/i386.c (construct_container): Split static issued_error
2049 flag into issued_sse_arg_error, issued_sse_ret_error and
2050 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2051 requires the use of x87 registers and the user explicitly
2052 specified the -mno-80387 command line option.
2054 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2056 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2057 HAVE_DECL_SIGALTSTACK.
2059 (segv_handler): Use MC_FLD.
2060 * configure.ac: Check for a sigaltstack declaration.
2061 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2062 * configure: Regenerate.
2063 * config.in: Regenerate.
2065 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2068 * Makefile.in (stmp-fixinc): Fix typo.
2070 2006-06-02 Roger Sayle <roger@eyesopen.com>
2072 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2073 are type correct. Clean-up.
2074 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2075 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2077 2006-06-01 DJ Delorie <dj@redhat.com>
2079 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2080 shift, as we've disabled the "switch" insn that needs it.
2082 2006-06-01 Per Bothner <bothner@bothner.com>
2084 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2085 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2086 * c-ppoutput.c (cb_define): Don't increment line 0.
2088 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2090 * doc/invoke.texi: Add cpu_type power6.
2091 * config.gcc: Add cpu_type power6.
2092 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2093 to power5+ with Altivec.
2094 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2095 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2097 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2099 * config/avr/avr.h (SET_ASM_OP): Define.
2101 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2103 * config/bfin/bfin.c: Fix comment typos.
2105 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2108 * doc/install.texi: Document --enable-bootstrap and
2109 --disable-bootstrap.
2111 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2113 * doc/install.texi: Document that InfoZIP can replace jar.
2115 2006-05-31 Roger Sayle <roger@eyesopen.com>
2117 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2118 isn't available, directly generate the simpler x87 patterns without
2119 the (use (const_int 0)).
2120 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2121 implementation isn't available.
2122 (*negdf2_1): Likewise.
2123 (*negxf2_1): XF mode negation is always done using the x87.
2124 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2126 2006-05-31 Roger Sayle <roger@eyesopen.com>
2128 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2129 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2131 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2133 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2135 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2136 * config/bfin/bfin.c (basic-block.h): Include.
2137 (struct machine_function): New.
2138 (bfin_init_machine_status): New.
2139 (override_options): Initialize init_machine_status.
2140 (bfin_hardware_loop): New.
2141 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2142 (DEF_VEC_P (loop_info)): New.
2143 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2144 (struct loop_info): New.
2145 (loop_info): New typedef.
2146 (struct loop_work): New.
2147 (loop_work): New typedef.
2148 (DEF_VEC_O (loop_work)): New.
2149 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2150 (bfin_dump_loops): New.
2151 (bfin_bb_in_loop): New.
2152 (bfin_scan_loop): New.
2153 (bfin_optimize_loop): New.
2154 (bfin_reorg_loops): New.
2155 (bfin_reorg): Use bfin_reorg_loops.
2156 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2158 (I_REGNO_P): Simplify.
2159 (DP_REGNO_P, DPREG_P): New macros.
2160 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2161 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2162 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2163 Add LT_REGS, LC_REGS, LB_REGS.
2164 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2166 (REGNO_REG_CLASS): Deal with loop registers.
2167 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2169 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2170 New constants for loop registers.
2171 (UNSPEC_LSETUP_END): New.
2172 (seq_insns): New define_attr. Set it for appropriate insns.
2173 (movsi_insn): Add alternatives for move from/to
2174 loop count registers.
2175 (doloop_end): New define_expand.
2176 (loop_end): New define_insn.
2177 (define_split for bad doloop_end): New.
2178 (lsetup_with_autoinit): New define_insn.
2179 (lsetup_without_autoinit): New define_insn.
2180 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2181 * config/bfin/predicates.md (lc_register_operand): New.
2182 (lt_register_operand): New.
2183 (lb_register_operand): New.
2184 (nondp_register_operand): New.
2185 (nondp_reg_or_memory_operand): New.
2186 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2188 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2190 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2191 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2193 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2195 * Makefile.in (CATALOGS): Add po/ prefix.
2196 * configure: Regenerated.
2198 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2201 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2202 a shift operand before calling shift_op. Avoid redundant call of
2205 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2206 DJ Delorie <dj@redhat.com>
2208 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2209 we're inserting is a singlt-bit constant.
2211 2006-05-30 Roger Sayle <roger@eyesopen.com>
2213 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2214 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2216 2006-05-30 Roger Sayle <roger@eyesopen.com>
2218 PR tree-optimization/23452
2219 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2220 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2221 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2222 complex values and with -ffast-math for FP complex values.
2224 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2226 * c-common.h: Remove the prototype for yyparse.
2227 * rtl.h: Remove the prototype for init_loop.
2229 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2231 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2234 2006-05-30 Roger Sayle <roger@eyesopen.com>
2236 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2238 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2239 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2241 2006-05-30 Dirk Mueller <dmueller@suse.de>
2244 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2245 for CONSTANT_CLASS_P expresisons.
2247 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2250 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2252 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2254 PR tree-optimization/27779
2255 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2256 initial_condition instead of CHREC_LEFT.
2258 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2260 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2261 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2262 Make prototypes ISO C90.
2264 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2265 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2267 * see.c (see_analyze_one_def): Correct check.
2268 (see_get_extension_data): Check if extension is parallel.
2269 (see_get_extension_reg): Likewise.
2271 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2274 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2275 into register for (code == GTU).
2277 2006-05-29 Roger Sayle <roger@eyesopen.com>
2279 PR tree-optimization/24964
2280 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2281 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2282 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2283 abs(x)*abs(x) as x*x for scalar floating point modes.
2285 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2288 * lambda-code.c (perfect_nestify): Don't copy statements
2289 in the inner loop: move them to the inner loop header.
2291 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2294 * c-tree.texi: Document OpenMP directives and clauses.
2296 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2298 * varasm.c (globalize_decl): Fix indentation.
2300 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2303 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2304 pass_fre, pass_store_ccp, pass_copy_prop,
2305 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2306 pass_return_slot, pass_object_size, pass_lim,
2307 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2308 pass_loop_prefetch and pass_stdarg.
2310 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2312 * config/bfin/bfin.opt (mfdpic): New option.
2313 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2314 (EXTRA_MULTILIB_PARTS): Likewise.
2315 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2316 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2318 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2319 (CRT_CALL_STATIC_FUNCTION): New.
2320 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2322 (CRT_CALL_STATIC_FUNCTION): New.
2323 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2325 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2326 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2327 (initialize_trampoline): Changed to handle FD-PIC code generation.
2328 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2329 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2330 (override_options): Disallow -mid-shared-library -mfdpic combination.
2331 Can't do unaligned ops if FD-PIC.
2332 Turn off flag_pic if trying to generate non-id-shared-library
2333 non-fdpic code, since it's not supported.
2334 (bfin_assemble_integer): New function.
2335 (TARGET_ASM_INTEGER): Define.
2336 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2338 * config/bfin/crtn.s: Restore them.
2339 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2341 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2342 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2343 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2344 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2345 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2347 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2348 FDPIC_REGS and FDPIC_FPTR_REGS.
2349 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2350 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2351 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2352 (load_funcdescsi): New pattern.
2353 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2354 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2355 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2357 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2359 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2362 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2364 * tree-flow.h: Remove the prototype for add_type_alias.
2365 * tree-ssa-alias.c (add_type_alias): Remove.
2367 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2369 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2370 config/fr30/fr30.md, config/i386/i386-interix.h,
2371 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2372 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2373 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2374 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2375 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2376 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2377 Follow spelling conventions.
2378 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2379 Follow spelling conventions.
2381 2006-05-27 Richard Guenther <rguenther@suse.de>
2384 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2385 to produce a constant of value 1 of generic type.
2387 2006-05-27 Dirk Mueller <dmueller@suse.de>
2389 * cgraphunit.c (decide_is_function_needed): Fix wrong
2392 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2394 PR rtl-optimization/27661
2395 * reload.c (find_reloads): When reloading a VOIDmode constant
2396 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2397 use Pmode as mode of the reload register.
2399 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2401 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2402 is enabled at -O and above.
2404 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2407 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2410 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2413 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2414 for anonymous variables explicitly declared by front ends.
2416 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2418 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2419 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2420 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2421 ref-all pointers, run a finalization pass for them.
2422 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2423 (finalize_ref_all_pointers): New function.
2424 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2425 regular pointer type to a ref-all pointer type.
2426 (get_tmt_for): Return the special memory tag for ref-all pointers.
2428 2006-05-25 Richard Guenther <rguenther@suse.de>
2431 * fold-const.c (fold_binary): Do not look at the stripped
2432 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2434 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2436 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2437 for LT and GT if the computed range is effectively empty.
2439 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2442 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2443 mips_quad_format formats instead of ieee_single_format,
2444 ieee_double_format and ieee_quad_format formats, respectively.
2446 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2448 PR tree-optimization/27639
2449 PR tree-optimization/26719
2450 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2451 call to scev_probably_wraps_p.
2452 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2453 used_in_pointer_arithmetic_p, convert_step): Removed.
2454 (nowrap_type_p): New function.
2455 (scev_probably_wraps_p): Rewritten.
2456 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2457 chrec_convert if chrec_convert_aggressive might have been used.
2458 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2459 scev_direction): New functions.
2460 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2461 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2462 instead of convert_step.
2463 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2464 (convert_step): Declaration removed.
2465 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2467 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2469 * df-core.c: Added to header comments.
2470 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2471 df_ur_bb_info, df_urec_bb_info): Added comments.
2472 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2473 urec, ri problems): Fixed header comments.
2474 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2475 code from df_rd_transfer_function.
2477 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2479 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2480 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2481 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2483 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2485 * expr.c (undefined_operand_subword_p): New.
2486 (emit_move_multi_word): Do not generate move from undefined bits
2487 of a paradoxical subreg.
2489 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2491 PR rtl-optimization/27736
2492 * combine.c (replaced_rhs_value): New variable.
2493 (combine_instructions): Set it.
2494 (distribute_notes): When distributing a note in replaced_rhs_insn,
2495 check whether the value was used in replaced_rhs_value.
2497 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2500 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2501 add_referenced_var instead of add_referenced_tmp_var.
2502 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2503 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2505 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2506 tree_optimize_tail_calls_1): Use add_referenced_var.
2507 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2508 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2509 Use add_referenced_var.
2510 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2511 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2512 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2513 Use add_referenced_var.
2514 * tree-dfa.c (struct walk_state): Remove.
2515 (find_referenced_vars): Remove walk state and vars_found hash table.
2516 (make_rename_temp): Use add_referenced_var.
2517 (find_vars_r): Pass less parameters to add_referenced_var.
2518 (referenced_var_p): New. Is var in referenced_var hash table.
2519 (referenced_var_insert): Assert var isn't already in hash table.
2520 (add_referenced_var): Don't need walk_state parameter. Add var if it
2521 isn't already in the hash table.
2522 (add_referenced_tmp_var): Remove.
2523 (find_new_referenced_vars_1): Use add_referenced_var.
2524 * tree-ssa-pre.c (create_expression_by_pieces,
2525 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2526 Use add_referenced_var.
2527 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2528 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2529 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2531 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2532 vect_create_data_ref_ptr, vect_create_destination_var,
2533 vect_init_vector, vect_build_loop_niters,
2534 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2535 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2536 Use add_referenced_var.
2537 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2538 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2539 (add_referenced_var): Add prototype.
2540 * tree-ssa-structalias.c (get_constraint_for,
2541 intra_create_variable_infos): Use add_referenced_var.
2543 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2545 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2546 big-endian paradoxical subregs.
2547 * var-tracking.c (struct micro_operation_def): Document that,
2548 for modify micro operations, insn is the subsequent instruction.
2549 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2550 (var_reg_set, var_mem_set): ... new functions.
2551 (add_stores): Record subsequent insn.
2552 (compute_bb_dataflow): Use new functions for MO_USE.
2553 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2554 notes after the insn, and modify notes before the insn known
2555 to be the subsequent one.
2556 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2558 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2561 * config/i386/i386.c (ix86_expand_builtin): Use
2562 gen_sse3_monitor64 for TARGET_64BIT.
2564 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2566 PR rtl-optimization/26375
2567 PR rtl-optimization/26855
2568 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2570 (df_ru_bb_local_compute): Reversed statements and removed bogus
2571 comment explaining why they should be in wrong order.
2572 (df_ru_dump, df_rd_dump): Enhanced debug info.
2573 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2575 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2576 reaching uses and fixed space problem.
2578 2006-05-23 Jan Hubicka <jh@suse.cz>
2580 * cgraphunit.c (decide_is_function_needed): Also nested functions
2581 and functions declared inline can be optimized out at -O0.
2583 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2585 * doc/install.texi (Configuration): Remove reference to CrossGCC
2589 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2592 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2593 ix86_compare_emitted is non-NULL.
2595 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2598 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2601 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2603 PR rtl-optimization/25514
2604 * combine.c (replaced_rhs_insn): New variable.
2605 (combine_instructions): Set replaced_rhs_insn when trying to replace
2606 a SET_SRC with a REG_EQUAL note.
2607 (distribute_notes): Use replaced_rhs_insn when determining the live
2608 range of a REG_DEAD register.
2610 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2611 Anatoly Sokolov <aesok@post.ru>
2613 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2614 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2615 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2616 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2617 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2618 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2619 at90usb647, at90usb1286 and at90usb1287 devices.
2620 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2621 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2623 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2625 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2627 2006-05-22 Richard Guenther <rguenther@suse.de>
2630 2006-01-31 Richard Guenther <rguenther@suse.de>
2631 Paolo Bonzini <bonzini@gnu.org>
2633 * doc/install.texi (--disable-libgcc-math): Document.
2635 2006-05-22 Richard Guenther <rguenther@suse.de>
2638 2006-01-31 Richard Guenther <rguenther@suse.de>
2640 * doc/invoke.texi (-msselibm): Document.
2641 * target.h (expand_library_builtin): New target hook.
2642 * builtins.c (expand_builtin): Use expand_library_builtin.
2643 (default_expand_library_builtin): New function.
2644 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2645 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2646 (link_gcc_math_spec): Declare.
2647 (static_specs): Add link_gcc_math_spec.
2648 * expr.h (default_expand_library_builtin): Declare.
2649 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2650 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2651 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2652 * config/i386/i386.opt (msselibm): New target option.
2653 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2654 (ix86_init_sse_abi_builtins): New function.
2655 (ix86_expand_library_builtin): Likewise.
2656 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2657 (override_options): Handle error conditions wrt -msselibm.
2658 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2659 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2660 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2663 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2666 * c-common.c (self_promoting_args_p): Skip erroneous args.
2669 * c-decl.c (finish_struct): Skip erroneous fields.
2671 2006-05-22 Nick Clifton <nickc@redhat.com>
2673 * config/cris/cris.opt (march): Remove VarExists attribute.
2674 (max-stackframe=): Likewise.
2676 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2678 * doc/rtl.texi: Fix a typo.
2679 * see.c: Fix comment typos.
2681 * tree-ssa-structalias.h (alias_info): Remove num_references.
2683 2006-05-21 Mike Stump <mrs@apple.com>
2685 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2687 (darwin_pragma_options): Use BAD instead.
2688 (darwin_pragma_unused): Likewise.
2689 (darwin_pragma_ms_struct): Likewise.
2691 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2693 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2695 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2697 PR rtl-optimization/27671
2698 * simplify-rtx.c (simplify_relational_operation_1): Fix
2699 simplifications of (eq/ne (xor x y) y) and
2700 (eq/ne (xor x y) x).
2702 PR tree-optimization/26622.
2703 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2706 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2708 * tree-cfg.c: Prune whitespace.
2709 (debug_tree_cfg): Point to correct header containing the
2712 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2715 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2717 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2720 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2721 or sorry count is non zero.
2723 2006-05-20 Andreas Schwab <schwab@suse.de>
2725 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2727 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2728 Kenneth Zadeck <zadeck@naturalbridge.com>
2730 PR rtl-optimization/26855
2732 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2734 (df_scan_alloc): Added code to properly handle multiword hard
2735 registers and add all_blocks parameter.
2736 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2737 code to properly handle multiword hard registers.
2738 (df_rescan_blocks): Added code to remove deleted blocks from
2740 (df_ref_create_structure, df_ref_record): Added code to properly
2742 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2743 and set DF_REF_PARTIAL.
2744 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2745 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2746 (df_scan_add_problem): Added flags parameter.
2747 (df_ref_create_structure): Changed switching structure.
2748 (df_bb_refs_record): Fixed case where duplicate artificial refs
2749 were created. Changed location of flags.
2750 (df_record_entry_block_defs): Added code to make stack pointer
2751 live in entry block. Refined cases where frame pointer is needed.
2752 Changed location of flags.
2753 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2754 (df_set_state): Removed function.
2755 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2756 df_insn_create_insn_record, df_insn_refs_delete,
2757 df_ref_create_structure): Formatting changes.
2758 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2759 df_delete_basic_block): New function.
2760 (df_init): Changed location of flags.
2761 (df_add_problem): Added flags parameter and the way flags are
2763 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2764 debug_df_chain): Improved debugging output.
2765 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2766 (df_refs_chain_dump): Removed df parameter.
2767 (df_iterative_dataflow): Added consistency check.
2768 (df_prune_to_subcfg): Made public.
2769 (df_analyze_problem): Added blocks_to_init parameter and made
2771 (df_ref_record, df_bb_refs_record, df_mark_reg,
2772 df_record_exit_block_uses): Whitespace changes.
2773 (df_dump): Whitespace changes.
2774 * df.h: Some reordering to remove forward references.
2775 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2776 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2777 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2778 (dataflow.flags): New field.
2779 (df.flag): Deleted field.
2780 (df_alloc_function): Added additional bitmap parameter.
2781 (df_dependent_problem_function): New type.
2782 (df_problem.changeable_flags): New field.
2783 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2784 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2785 (df_mw_hardreg): New struct.
2786 (DF_INSN_UID_MWS): New macro.
2787 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2789 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2790 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2791 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2792 (df_set_state): Removed function.
2793 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2794 * df-problems.c (df_chain_dump): Removed df parameter.
2795 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2796 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2798 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2799 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2800 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2801 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2802 DF_REF_MUST_CLOBBER cases.
2803 (df_ru_bb_local_compute_process_def,
2804 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2805 df_lr_bb_local_compute, df_ur_bb_local_compute,
2806 df_chain_create_bb): Made subreg aware.
2807 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2808 df_lr_bb_local_compute, df_lr_bb_local_compute,
2809 df_chain_create_bb): Cleanup to use proper macros.
2810 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2811 code to fixup bitvectors.
2812 (df_ri_alloc): Cleared lifetime.
2813 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2814 df_create_unused_note): New function.
2815 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2816 REG_DEAD and REG_UNUSED notes as well as register information.
2817 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2818 df_chains_dump): Fixed crash if problem was never run.
2819 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2820 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2821 df_ri_add_problem): Processes flags in uniform manner.
2822 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2823 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2824 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2825 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2826 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2827 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2828 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2829 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2830 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2831 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2832 * see.c (see_initialize_data): Ditto.
2833 * final.c (rest_of_clean_state) Added regstack_completed.
2834 * rtl.h (regstack_completed): Ditto.
2835 * reg-stack.c (regstack_completed): Ditto.
2837 2006-05-19 Mike Stump <mrs@apple.com>
2839 * c-tree.h (default_conversion): Remove.
2840 * c-common.h (default_conversion): Add.
2842 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2844 * tree-vrp.c (valid_value_p): New function.
2845 (adjust_range_with_scev): Fail if the value of bound is not
2848 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2850 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2851 (mips_fallback_frame_state): Use syscall numbers to determine
2852 the appropriate li instruction for the current ABI. Only use
2853 __NR_sigreturn for o32.
2855 2006-05-19 Nicolas Setton <setton@adacore.com>
2857 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2858 * langhooks.c (lhd_dwarf_name): New function.
2859 * langhooks-def.h (lhd_dwarf_name): Declare.
2860 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2861 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2862 * ada/misc.c (gnat_dwarf_name): New function.
2863 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2865 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2867 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2869 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2870 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2871 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2872 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2873 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2874 determine the size of Wtype, etc.
2875 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2876 (swfloatfuncs): New variable.
2877 (dwfloatfuncs): Likewise.
2878 (lib2funcs): Remove floating-point conversion functions from
2879 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2880 the set of conversion routines needed. Allow entries to specify
2881 an object name, filename and word size. Update users accordingly.
2882 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2883 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2887 2006-02-08 Roger Sayle <roger@eyesopen.com>
2890 * config/fixtfdi.c: New libgcc source file.
2891 * config/fixunstfdi.c: New source file.
2892 * config/floatditf.c: New source file.
2893 * config/floatunditf.c: New souce file.
2894 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2895 files above instead of config/mips/_tilib.c.
2896 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2898 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2900 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2901 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2903 2006-05-18 Mike Stump <mrs@apple.com>
2905 Fix up vla, vm and [*] sematics.
2911 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2912 (c_vla_unspec_p): Add.
2913 (c_vla_type_p): Add.
2914 * c-decl.c (struct c_scope): Add had_vla_unspec.
2915 (build_array_declarator): Add support for [*].
2916 (grokdeclarator): Likewise.
2917 (grokparms): Likewise.
2918 (get_parm_info): Likewise.
2919 * c-objc-common.c (c_vla_unspec_p): Likewise.
2920 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2921 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2922 typeof when argument is a variably modified type not inside sizeof or alignof.
2923 (c_parser_direct_declarator_inner): Propagate errors.
2924 (c_parser_sizeof_expression): Add support for [*].
2925 (c_parser_parms_declarator): Initialize had_vla_unspec.
2926 (c_parser_parms_list_declarator): Likewise.
2927 * c-typeck.c (c_vla_type_p): Add.
2928 (composite_type): Add support for vla compositing.
2929 (comptypes_internal): Add support for vla compatibility.
2930 (c_expr_sizeof_expr): Evaluate vla arguments.
2931 * tree.c (variably_modified_type_p): Update comment for [*].
2933 2006-05-18 Michael Matz <matz@suse.de>
2936 * config.host: Make assignments to host_xmake_file cumulative.
2937 * config.host (*-darwin*): Test $host, not $target.
2939 2006-05-12 Stuart Hastings <stuart@apple.com>
2941 * config/i386/i386.opt (-mstackrealign): New flag.
2942 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2943 (ix86_handle_cconv_attribute): Emit error when
2944 force_align_arg_pointer attribute collides with too many regparms.
2945 (ix86_function_regparm): Limit regparms when used with
2946 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2947 Support stack-realigning prologue in non-main functions. Emit
2948 warning for nested functions under -mstackrealign, emit error for
2949 nested functions with force_align_arg_pointer attribute.
2950 * doc/extend.texi (force_align_arg_pointer): Document it.
2951 * doc/invoke.texi (-mstackrealign): Document it.
2953 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2955 PR rtl-optimization/27477
2956 * combine.c (try_combine): Don't split a parallel consisting
2957 of two sets into two individual sets if both sets reference
2960 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2962 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2963 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2965 * doc/options.texi (VarExists): Updated.
2967 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2969 * unwind-dw2.c: Add declarations for uw_update_context and
2971 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2972 detected, advance frame state and context once to skip over stub.
2974 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2978 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2979 Call rewrite_into_loop_closed_ssa only when something changed.
2980 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2981 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2982 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2983 Test for perfect_nest_p here. Fix formating.
2984 (replace_uses_equiv_to_x_with_y): Fix formating.
2985 (stmt_uses_op): Removed.
2986 (can_convert_to_perfect_nest): Removed loopivs parameter.
2987 Complete the test by checking the scalar dependences.
2988 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2991 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2994 From Dan Kegel <dank@kegel.com>:
2995 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2997 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2999 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3000 if the element type is variably modified without recursing.
3002 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3005 * tree-loop-linear.c (try_interchange_loops): Test for
3006 no data dependences.
3008 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3010 PR tree-optimization/27548
3011 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3012 range of ssa names that appear on abnormal edges.
3013 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3014 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3016 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3019 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3021 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3024 * tree.h (OMP_PARALLEL_COMBINED): Define.
3025 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3026 (new_omp_context): Add is_combined_parallel argument.
3027 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3028 new_omp_context caller.
3029 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3030 Adjust gimplify_scan_omp_clauses callers.
3031 (omp_is_private): Issue errors if iteration variable is firstprivate
3032 or reduction in the current context.
3033 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3034 on combined parallel workshare constructs.
3036 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3038 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3039 (gcc-options.o): New rule.
3041 * optc-gen.awk: Protect variables for gcc-options.o with
3042 #ifdef GCC_DRIVER/#endif.
3044 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3046 Fix PR tree-optimization/27373
3047 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3048 (forward_propagate_addr_expr): Update call.
3050 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3052 * doc/options.texi: Move the Negative option.
3054 2006-05-16 Richard Guenther <rguenther@suse.de>
3056 PR tree-optimization/22303
3057 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3059 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3060 ccp_fold did not simplify the statement.
3062 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3065 * Makefile.in (GCC_OBJS): New.
3066 (OBJS-common): Add opts-common.o.
3067 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3068 (cpp$(exeext)): Likewise.
3069 (gcc.o): Also depend on opts.h.
3070 (opts-common.o): New.
3072 * common.opt (gcoff): Add Negative(gdwarf-2).
3073 (gdwarf-2): Add Negative(gstabs).
3074 (gstabs): Add Negative(gstabs+).
3075 (gstabs+): Add Negative(gvms).
3076 (gvms): Add Negative(gxcoff).
3077 (gxcoff): Add Negative(gxcoff+).
3078 (gxcoff+): Add Negative(gcoff).
3079 * config/i386/i386.opt (m32): Add Negative(m64).
3080 (m64): Add Negative(m32).
3082 * doc/options.texi: Document the Negative option.
3084 * gcc.c: Include "opts.h".
3085 (main): Call prune_options after expandargv.
3087 * optc-gen.awk: Generate common declarations for all flag
3088 variables in options.c. Output the neg_index field.
3090 * opts.c (find_opt): Moved to ...
3091 * opts-common.c: Here. New file.
3093 * opts.h (cl_option): Add a neg_index field.
3095 (prune_options): Likewise.
3097 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3100 * omp-low.c (expand_omp_parallel): Don't assert
3101 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3102 instead search for it.
3105 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3108 2006-05-16 Andreas Schwab <schwab@suse.de>
3110 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3113 2006-05-15 Roger Sayle <roger@eyesopen.com>
3116 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3117 integer constants other than zero are only legitimate on TARGET_64BIT.
3118 <CONST_VECTOR> Only zero vectors are legitimate.
3119 (ix86_cannot_force_const_mem): Integral and vector constants can
3120 always be put in the constant pool.
3122 2006-05-16 DJ Delorie <dj@redhat.com>
3124 * crtstuff.c (__dso_handle): Set section from
3125 TARGET_LBIGCC_SDATA_SECTION if defined.
3126 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3127 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3129 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3132 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3135 2006-05-16 Ben Elliston <bje@au.ibm.com>
3137 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3139 2006-05-15 Per Bothner <per@bothner.com>
3141 * tree.c: (last_annotated_node): Use source_locus typedef.
3142 This permits bootstrapping with --enable-mapped-location.
3144 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3146 PR tree-optimization/26830
3147 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3148 (info_for_ssa_name, current_info_for_ssa_name_age,
3149 blocks_to_update): New variables.
3150 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3151 (clear_ssa_name_info, initialize_flags_in_bb,
3152 mark_block_for_update): New functions.
3153 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3154 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3155 prepare_def_site_for): Use mark_block_for_update.
3156 (mark_def_interesting): Assert that the processed block is marked in
3157 blocks_to_update. Do not take blocks argument.
3158 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3160 (rewrite_update_init_block, rewrite_update_stmt): Only process
3161 blocks with statements to rewrite.
3162 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3163 (update_ssa): Initialize and free blocks_to_update. Do not
3164 clear flags on statements. Do not use blocks bitmap.
3165 * tree.h (SSA_NAME_AUX): Removed.
3166 (struct tree_ssa_name): Removed aux field.
3167 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3169 2006-05-15 Richard Guenther <rguenther@suse.de>
3171 PR tree-optimization/27603
3172 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3173 Do computations in original type.
3175 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3177 * see.c: Code style changes such as redundant paranthesis,
3178 redundant intialization of local variables etc.
3179 (see_main): Declared now as static.
3180 * doc/invoke.texi: Update that -fsee is not enabled by
3183 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3185 * omp-low.c (check_omp_nesting_restrictions): New function.
3186 (scan_omp_1): Call it.
3189 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3190 construct, return *VAR.
3192 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3194 PR rtl-optimization/27406
3195 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3198 2006-05-14 Roger Sayle <roger@eyesopen.com>
3200 PR rtl-optimization/27538
3201 * combine.c (expand_compound_operation): Call gen_lowpart
3202 before calling simplify_shift_const.
3204 2006-05-14 Roger Sayle <roger@eyesopen.com>
3206 PR rtl-optimization/22563
3207 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3208 a fixed width bitfield, always force the intermediates into psuedos.
3210 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3213 * mkconfig.sh: Use operator = instead of == for test.
3215 2006-05-13 Nick Clifton <nickc@redhat.com>
3217 * dwarf2out.c (dbx_reg_number): Check return value from
3218 LEAF_REG_REMAP and only use it if it is valid.
3219 (multiple_reg_loc_descriptor): Likewise.
3221 2006-05-13 Richard Guenther <rguenther@suse.de>
3223 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3226 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3228 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3229 information attached to non-INSNs such as NOTEs.
3230 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3232 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3234 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3236 * config/s390/s390.md: Adjust comment describing On constraint.
3238 2006-05-11 Jan Hubicka <jh@suse.cz>
3240 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3241 to be output at -O0.
3243 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3246 * fold-const.c (size_binop): Move sanity check for arguments to
3247 the beginning of the function.
3250 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3253 2006-05-11 Richard Guenther <rguenther@suse.de>
3256 * fold-const.c (fold_unary): Handle intermediate conversion
3257 to a pointer type like intermediate conversion to an integer
3258 type in folding of (T1)(T2)var to var.
3259 Match the code to the comment in the final conversion for
3260 (T1)(T2)var to (T1)var regarding to type precision. Rather
3261 than disallow T1 being of pointer type, assert that both T1
3262 and var are of pointer type or not. Make sure not to fall
3263 over the frontends lazyness wrt array to pointer decay though.
3265 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3267 * arm.c (arm_struct_value_rtx): Delete.
3268 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3269 (arm_init_cumulative_args): Always initialize nregs to zero.
3271 2006-05-10 Richard Guenther <rguenther@suse.de>
3273 PR tree-optimization/27532
3274 * tree-object-size.c (plus_expr_object_size): Fix typo.
3276 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3279 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3280 ashrdi_const, ashrdi3): Use a scratch register.
3282 2006-05-10 Richard Guenther <rguenther@suse.de>
3284 PR tree-optimization/27302
3285 * fold-const.c (operand_equal_p): For two comparisons,
3286 try comparison of one comparison code swapped if that yields
3289 2006-05-10 Ben Elliston <bje@au.ibm.com>
3291 * tree-pretty-print.c (pretty_print_string): No need to handle
3292 '\0' as a special character.
3294 * tree.h: Include "hashtab.h".
3295 (iterative_hash_expr): Use hashval_t in its prototype.
3296 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3298 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3301 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3302 (hppa*64*-*-hpux11*): Ditto.
3303 (hppa[12]*-*-hpux11*): Ditto.
3305 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3308 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3310 2006-05-09 Michael Matz <matz@suse.de>
3312 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3313 host_extra_gcc_objs and host_xmake_file.
3314 (<*-*-linux*>): Don't overwrite host_xmake_file.
3315 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3316 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3317 (host_detect_local_cpu): Declare.
3318 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3319 * config/i386/i386.c (override_options): Handle -mtune=native
3321 * config/i386/x-i386: New file.
3322 * config/i386/driver-i386.c: New file.
3323 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3326 2006-05-09 Dirk Mueller <dmueller@suse.de>
3327 Richard Guenther <rguenther@suse.de>
3330 * fold-const.c (fold_read_from_constant_string): Relax check
3331 for matching types to matching modes.
3333 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3335 PR rtl-optimization/27335
3336 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3339 2006-05-08 Chao-ying Fu <fu@mips.com>
3340 Richard Sandiford <richard@codesourcery.com>
3342 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3343 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3344 * config/mips/mips.md (UNSPEC_SCC): New constant.
3345 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3346 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3347 (mips_emit_compare): Use it.
3348 (mips_expand_vcondv2sf): New function.
3350 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3352 Fix PR tree-optimization/27093
3353 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3354 renaming when they become not-used_alone.
3356 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3358 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3359 relocation and relocation stubs.
3361 2006-05-08 Eric Christopher <echristo@apple.com>
3363 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3366 2006-05-08 Jan Hubicka <jh@suse.cz>
3369 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3370 unused static functions are needed.
3372 2006-05-08 Roger Sayle <roger@eyesopen.com>
3375 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3376 of a reg_equiv_constant if the result is a legitimate constant.
3378 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3381 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3382 standard 80387 constants, raise the cost to prevent
3383 compress_float_constant() to generate load from memory.
3385 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3387 * config/arm/constraints.md (c): Fix a typo.
3389 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3392 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3395 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3397 (_mm_mwait): Likewise.
3399 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3401 (sse3_monitor): Make it 32bit only.
3402 (sse3_monitor64): New. 64bit monitor.
3404 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3407 * config/i386/i386.c (classify_argument): Skip fields with invalid
3410 2006-05-07 Richard Guenther <rguenther@suse.de>
3412 PR tree-optimization/27409
3413 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3414 Do not try to find zero-sized subvars.
3416 2006-05-07 Richard Guenther <rguenther@suse.de>
3418 PR tree-optimization/27136
3419 * tree-ssa-loop-niter.c (get_val_for): Correct function
3420 comment, assert requirements.
3421 (loop_niter_by_eval): Stop processing if the iterated
3422 value did not simplify.
3424 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3426 * opts.c (flag_see): remove its setting at -O3.
3428 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3430 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3431 * arm/constraints.md: New file.
3432 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3433 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3434 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3435 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3436 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3437 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3438 * arm.md: Include constraints.md.
3439 (thumb_movsi_insn): Use satisfies_constraint_J.
3440 (movhi, movqi): Use satisfies_constraint_I.
3442 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3444 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3445 for atmeg a645 device.
3447 2006-05-06 Richard Guenther <rguenther@suse.de>
3449 PR tree-optimization/27151
3450 * tree-vect-transform.c (vectorizable_condition): Punt on
3451 values that have a different type than the condition.
3453 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3456 * c-parser.c (c_parser_cast_expression): Only insert casts into
3457 hash table if pointer.
3458 * function.c (used_types_insert_helper): Rename from
3460 (used_types_insert): Call used_types_insert_helper.
3461 * function.h (used_types_insert): Accept only one argument.
3463 2006-05-05 David Edelsohn <edesohn@gnu.org>
3465 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3466 scratch with output modifier.
3468 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3471 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3472 with output modifier.
3474 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3477 * config/mips/mips.c (mips_symbolic_address_p): Return true
3478 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3479 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3481 2006-05-04 Richard Guenther <rguenther@suse.de>
3483 PR tree-optimization/14287
3484 PR tree-optimization/14844
3485 PR tree-optimization/19792
3486 PR tree-optimization/21608
3487 PR tree-optimization/27090
3488 * tree-ssa-pre.c (try_combine_conversion): New function.
3489 (compute_avail): After constructing the value-handle
3490 expression, use try_combine_conversion to combine NOP_EXPRs
3491 with previous value-handle expressions and use the result if it
3494 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3496 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3498 2006-05-04 Jan Hubicka <jh@suse.cz>
3501 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3503 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3505 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3506 that this only matches CONST_INTs. All users changed to VOIDmode
3509 * config/bfin/bfin.c: Include "optabs.h".
3510 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3512 (enum bfin_builtins): Add a number of fractional and vector builtins.
3513 (bfin_init_builtins): Likewise.
3514 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3515 (safe_vector_operand, bfin_expand_binop_builtin,
3516 bfin_expand_unop_builtin): New functions.
3517 (bfin_expand_builtin): Handle the new builtins.
3518 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3521 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3524 * Makefile.in (OBJS-common): Add see.o.
3525 (see.o): Add dependencies.
3526 * common.opt (fsee): New flag for the see optimization was added.
3527 * opts.c (flag_see): Initialized.
3528 * passes.c (init_optimization_passes, pass_see): New pass.
3529 * rtl.h (see_main): Declaration as extern.
3530 * timevar.def (TV_SEE): New.
3531 * tree-pass.h (pass_see): Declaration as extern.
3532 * invoke.texi (-fsee): Document.
3533 * recog.c (validate_simplify_insn): New function.
3534 * recog.h (validate_simplify_insn): Declaration as extern.
3535 * df-problems.c (df_chain_dump): Check for NULL.
3537 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3538 Daniel Berlin <dberlin@dberlin.org>
3540 * cfgrtl.c (insert_insn_bb_end_new): New function.
3541 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3543 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3545 * df.h (struct web_entry): Moved from web.c.
3546 (union_defs): Declaration as extern.
3547 (unionfind_root): Likewise.
3548 (unionfind_union): Likewise.
3549 * web.c (struct web_entry): Moved to df.h.
3550 (unionfind_root): Remove static declaration.
3551 (unionfind_union): Likewise.
3552 (union_defs): Likewise and generalize to use callback function.
3553 (web_main): Update arguments for union_defs function call.
3555 2006-05-04 Richard Guenther <rguenther@suse.de>
3557 PR tree-optimization/26447
3558 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3559 produce SSA_NAME copies before the store stmt to avoid
3560 breaking exception handling.
3562 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3565 * gimplify.c (omp_is_private): If var is shared in some outer context,
3566 return false instead of true. Stop searching on parallel context
3569 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3572 * coverage.c: Use get_gcov_unsigned_t() instead of
3573 unsigned_type_node all over.
3575 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3577 PR tree-optimization/27381
3578 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3579 maintain the same immediate_use links.
3580 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3581 node rather than segfaulting.
3583 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3586 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3587 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3588 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3590 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3592 Fix PR tree-optimization/26626
3593 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3595 * tree-ssa-operands.c (access_can_touch_variable): Allow
3596 typecasting through union pointers.
3598 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3601 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3602 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3603 to find if var will be a global variable even in the nested context.
3604 (omp_copy_decl): Only check for global variable at the end, it might
3605 be overridden in outer contexts.
3606 (scan_sharing_clauses): For global variables don't create a field.
3607 (lower_rec_input_clauses): Do nothing for global shared variables.
3608 Emit a barrier at the end of ILIST if there were any decls in both
3609 firstprivate and lastprivate clauses.
3610 (lower_send_clauses): Do nothing for global variables except for
3613 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3615 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3616 of the correct signedness is returned.
3618 2006-05-02 Jeff Law <law@redhat.com>
3620 PR tree-optimization/27364
3621 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3622 multiply expressions.
3624 2006-05-02 Tom Tromey <tromey@redhat.com>
3626 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3628 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3631 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3632 -mthumb -fPIC are used.
3634 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3635 Joshua Kinard <kumba@gentoo.org>
3638 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3639 with 64-bit pointers.
3641 2006-05-02 Paul Brook <paul@codesourcery.com>
3643 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3645 (create_fix_barrier): Check that a suitable barrier location is
3647 (arm_reorg): Include ftmp->address in allowable range of addresses.
3649 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3652 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3655 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3658 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3659 around RESULT_DECL for result passed by reference.
3660 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3661 * omp-low.c (use_pointer_for_field): Don't look at
3662 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3663 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3664 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3665 time or var for passing by reference for
3666 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3667 TREE_ADDRESSABLE variables when passing by reference.
3669 * omp-low.c (dump_omp_region): Fix output formatting.
3672 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3673 (expand_omp_parallel): Likewise.
3674 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3677 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3678 on statement list containing also constructors and destructors.
3679 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3682 * except.c (duplicate_eh_regions): Fix clearing of
3683 cfun->eh->region_array entries.
3685 2006-05-01 DJ Delorie <dj@redhat.com>
3687 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3689 (gcc_cv_objdump): Likewise.
3690 * configure: Regenerated.
3692 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3695 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3696 templates for case 3 and 4.
3698 2006-05-01 DJ Delorie <dj@redhat.com>
3700 * vec.c: Include bconfig.h when appropriate.
3701 * Makefile.in (build/vec.o): Adjust dependencies.
3702 * mkconfig.sh: Make sure config.h isn't used for build machine
3705 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3707 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3709 (mark_phi_for_rewrite): New function.
3710 (insert_phi_nodes_for, mark_use_interesting): Call
3711 mark_phi_for_rewrite.
3712 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3713 (update_ssa): Initialize and free phis_to_rewrite.
3715 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3717 PR rtl-optimization/27291
3718 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3719 folded to a constant.
3721 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3723 PR tree-optimization/27283
3724 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3725 not whole # of iteration descriptions.
3726 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3727 uses abnormal ssa name.
3728 (niter_for_single_dom_exit): Ditto.
3729 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3730 return just the number of iterations.
3732 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3734 PR tree-optimization/27144
3735 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3736 (record_estimate): Only record constant upper bound.
3737 (infer_loop_bounds_from_undefined): Call
3738 compute_estimated_nb_iterations just once.
3739 (proved_non_wrapping_p): Renamed to ...
3740 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3741 (convert_step_widening, scev_probably_wraps_p): Call
3742 n_of_executions_at_most instead of proved_non_wrapping_p.
3743 (substitute_in_loop_info): Do not replace values in bounds.
3744 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3747 2006-05-01 Richard Henderson <rth@redhat.com>
3750 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3751 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3754 2006-05-01 Roger Sayle <roger@eyesopen.com>
3756 * c-typeck.c (parser_build_binary_op): Don't call the function
3757 unsigned_conversion_warning to spot operand/result type overflow.
3758 (build_binary_op): Instead, call convert_and_check instead of
3759 convert to report the problem when the operands are promoted.
3760 * c-common.c (unsigned_conversion_warning): Make static.
3761 * c-common.h (unsigned_conversion_warning): Delete prototype.
3763 2006-05-01 Richard Guenther <rguenther@suse.de>
3765 PR tree-optimization/26726
3766 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3768 (find_interesting_uses_address): ... we work around here
3769 by folding INDIRECT_REFs in the substituted base.
3771 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3773 * omp-low.c (dump_omp_region): Add newlines.
3775 2006-04-30 Roger Sayle <roger@eyesopen.com>
3777 * common.opt (Woverflow): New command line option.
3778 * c-common.c (constant_expression_warning): Check warn_overflow.
3779 (overflow_waring): Pass OPT_Woverflow to warning.
3780 (unsigned_conversion_warning): Likewise.
3781 (convert_and_check): Likewise.
3782 * doc/invoke.texi: Document new command line option.
3784 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3786 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3787 TARGET_NO_FP_IN_TOC for section anchors.
3788 (optimization_options): Enable section anchors for all
3789 non-"Objective" languages.
3791 2006-04-28 Eric Christopher <echristo@apple.com>
3793 * config/darwin-c.c (darwin_ms_struct): Move this
3794 (darwin_set_default_type_attributes): and this...
3795 * config/darwin.c: ... here.
3796 * config/darwin.h (darwin_ms_struct): Declare.
3798 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3800 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3802 2006-04-28 Roger Sayle <roger@eyesopen.com>
3805 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3806 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3807 an unsigned HOST_WIDE_INT.
3808 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3810 (really_start_incremental_init): No need to call convert because
3811 bitsize_zero_node is already of type bitsizetype.
3812 (push_init_level): Extract the value of constructor_index as an
3813 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3814 (process_init_element): Likewise.
3816 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3818 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3819 value before passing to make_relative_prefix.
3821 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3824 * builtins.c (expand_builtin_memset): Expand val in original mode.
3826 2006-04-27 Eric Christopher <echristo@apple.com>
3828 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3829 with #ifndef/#endif.
3830 * config/darwin-c.c (darwin_ms_struct): New.
3831 (darwin_pragma_ms_struct): Ditto.
3832 (darwin_set_default_type_attributes): Ditto.
3833 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3834 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3835 Register ms_struct pragma.
3836 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3837 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3838 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3839 darwin_set_default_type_attributes if TARGET_MACHO.
3841 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3843 PR tree-optimization/26854
3844 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3845 * doc/tree-ssa.texi: Update immuse iterator documentation.
3846 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3847 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3848 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3849 first_safe_imm_use, next_safe_imm_use): Remove.
3850 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3851 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3852 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3853 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3854 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3855 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3856 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3857 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3858 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3859 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3860 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3861 (perfect_nestify): Use new iterator.
3862 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3864 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3865 (next_imm_name): New field in struct immediate_use_iterator_d.
3866 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3867 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3868 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3869 * tree-cfg.c (replace_uses_by): Use new iterator.
3870 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3871 * tree-ssa-operands.c (correct_use_link): Remove.
3872 (finalize_ssa_use_ops): No longer call correct_use_link.
3874 2006-04-27 Stuart Hastings <stuart@apple.com>
3876 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3877 * config/t-darwin (crt3.o): Use it.
3878 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3879 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3880 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3881 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3882 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3885 2006-04-27 Roger Sayle <roger@eyesopen.com>
3887 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3888 size, force the intermediate into a new pseudo rather instead of
3889 performing both a bitwise AND and a bitwise IOR in memory.
3891 2006-04-27 Richard Guenther <rguenther@suse.de>
3893 PR rtl-optimization/26685
3894 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3895 this one "max-flow-memory-locations".
3897 2006-04-27 Richard Guenther <rguenther@suse.de>
3899 PR tree-optimization/25148
3900 * tree-vrp.c (compare_values): Remove code dealing with
3901 comparisons against type min/max value. Honour overflow
3902 and negative constants in code dealing with comparisons
3903 of plus and minus expressions.
3904 (value_inside_range): Use fold_binary with LE_EXPR and
3905 GE_EXPR rather than compare_values.
3907 2006-04-27 Dirk Mueller <dmueller@suse.de>
3909 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3912 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3914 * basic-block.h (safe_insert_insn_on_edge): Removed.
3915 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3917 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3918 Paolo Bonzini <bonzini@gnu.org>
3921 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3922 (simplify_and_const_int): Same.
3924 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3926 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3928 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3931 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3932 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3933 cgraph_global_info_ready.
3936 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3939 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3940 either decl or init is error_mark_node.
3943 * tree-flow.h (struct omp_region): Add sched_kind.
3944 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3945 instead of extracting omp for data.
3946 (expand_omp_for): Save extracted sched_kind.
3948 2006-04-25 Roger Sayle <roger@eyesopen.com>
3950 * expmed.c (store_bit_field): Also check whether the bitsize is
3951 valid for the machine's "insv" instruction before moving the
3952 target into a pseudo for use with the insv.
3953 * config/i386/predicates.md (const8_operand): New predicate.
3954 * config/i386/i386.md (extv, extzv, insv): Use the new
3955 const8_operand predicate where appropriate.
3957 2006-04-25 DJ Delorie <dj@redhat.com>
3959 * doc/install.texi (Specific): Clarify that this is not a list of
3960 supported hosts or targets.
3962 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3964 PR rtl-optimization/26725
3965 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3966 block's BB_DIRTY flag.
3968 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3970 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3973 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3974 to print an integer.
3976 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3978 * varasm.c (align_variable): New function.
3979 (get_block_for_decl): Apply align_variable to DECL before
3980 calculating section information.
3981 (assemble_variable): Split out alignment computation.
3983 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3985 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3988 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3990 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3991 MODE_PARTIAL_INT mode.
3992 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3993 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3995 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3996 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3998 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4000 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4002 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4003 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4004 MACFLAG_IH): Likewise.
4005 (movstricthi_1): Renamed from "*movstricthi".
4006 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4007 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4008 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4009 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4010 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4011 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4012 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4013 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4014 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4015 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4016 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4017 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4018 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4019 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4020 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4022 * doc/rtl.texi (ss_ashift): Improve wording.
4024 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4026 * dwarf2out.c (verify_marks_clear): New.
4027 (prune_unused_types): Call verify_marks_clear initially, not
4030 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4032 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4033 * doc/rtl.texi: Document them.
4034 * simplify-rtx.c (simplify_unary_operation,
4035 simplify_binary_operation_1): Don't abort when we see them.
4037 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4040 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4041 * configure.ac: Completely disregard languages that are not
4043 * configure: Regenerated.
4045 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4046 Richard Guenther <rguenther@suse.de>
4048 PR tree-optimization/27236
4049 * tree-inline.c (copy_body_r): Make sure to copy
4050 TREE_THIS_VOLATILE flag.
4052 2006-04-24 Richard Guenther <rguenther@suse.de>
4055 * tree-complex.c (update_parameter_components): Don't handle
4056 unused parameters which have no default def.
4058 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4059 Richard Guenther <rguenther@suse.de>
4061 PR tree-optimization/27218
4062 * tree-inline.c (expand_call_inline): Strip useless type
4063 conversions for the return slot address.
4065 2006-04-24 Richard Guenther <rguenther@suse.de>
4067 * cfgloop.h (struct loops): Remove unused field array. Reorder
4069 (LOOP_PREFETCH): Remove.
4071 2006-04-24 Richard Guenther <rguenther@suse.de>
4073 PR tree-optimization/22525
4074 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4075 variable, adjust types of generated expressions.
4077 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4079 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4080 (tree-vect-patterns.o): Likewise.
4082 (cselib.o): Likewise.
4083 (loop-doloop.o): Likewise.
4084 (regclass.o): Likewise.
4085 (reload1.o): Likewise.
4086 (explow.o): Replace target.h with $(TARGET_H).
4087 (ipa-prop.o): Likewise.
4088 (ipa-cp.o): Likewise.
4089 (ipa-inline.o): Likewise.
4090 (reorg.o): Likewise.
4091 (reg-stack.o): Likewise.
4093 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4095 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4097 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4099 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4101 * configure.ac: Completely disregard languages that are not
4103 * configure: Regenerated.
4106 * c-common.h (c_build_bitfield_integer_type): Declare.
4107 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4108 * c-common.c (c_build_bitfield_integer_type): ... here.
4110 2006-04-23 Roger Sayle <roger@eyesopen.com>
4113 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4114 a SImode SUBREG of a floating point register after no_new_pseudos.
4116 2006-04-23 Roger Sayle <roger@eyesopen.com>
4118 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4119 identify potentially eliminable registers to additionally catch
4120 VIRTUAL_INCOMING_ARGS_REGNUM.
4121 (addsi3): Update the conditions on when to use addsi_small_int.
4123 2006-04-23 Roger Sayle <roger@eyesopen.com>
4126 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4127 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4128 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4130 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4132 * fold-const.c (range_predecessor): Use operand_equal_p
4133 as the predicate for equality.
4134 (range_successor): Likewise.
4136 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4139 * config/soft-fp/op-common.h: Fix a typo.
4141 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4144 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4145 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4147 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4149 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4151 * doc/tm.texi: Fix a typo.
4153 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4155 * dwarf2out.c (struct die_struct): Document that die_sib makes
4156 a circular linked list.
4157 (FOR_EACH_CHILD): New.
4158 (reverse_die_lists): Delete.
4159 (reverse_all_dies): Delete.
4160 (add_dwarf_attr): Correct documentation.
4161 (remove_child_with_prev): New.
4162 (remove_child_TAG): Update for change to die_struct, use
4163 remove_child_with_prev.
4164 (add_child_die): Update for change to die_struct.
4165 (splice_child_die): Use remove_child_with_prev and add_child_die.
4166 (print_die): Use FOR_EACH_CHILD.
4167 (die_checksum): Likewise.
4168 (assign_symbol_names): Likewise.
4169 (output_location_lists): Likewise.
4170 (build_abbrev_table): Likewise.
4171 (calc_die_sizes): Likewise.
4172 (mark_dies): Likewise.
4173 (unmark_dies): Likewise.
4174 (unmark_all_dies): Likewise.
4175 (output_die): Likewise.
4176 (prune_unused_types_mark): Likewise.
4177 (prune_unused_types_walk): Likewise.
4178 (same_die_p): Update for change to die_struct.
4179 (break_out_includes): Likewise.
4180 (prune_unused_types_prune): Likewise.
4181 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4182 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4184 (dwarf2out_finish): Don't call reverse_all_dies.
4186 2006-04-21 Eric Christopher <echristo@apple.com>
4188 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4189 in comments and function names.
4191 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4194 * c-typeck.c (digest_init): Robustify.
4196 * c-typeck.c (pop_init_level): Simplify.
4198 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4200 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4202 2006-04-21 Paul Brook <paul@codesourcery.com>
4204 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4205 hardware floating point.
4207 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4209 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4212 2006-04-21 Nick Clifton <nickc@redhat.com>
4214 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4217 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4220 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4221 C++ lang type in traceback table for Objective-C++.
4223 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4225 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4227 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4229 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4232 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4233 were errors. Remove check for erroneous objects.
4235 2006-04-20 Jeff Law <law@redhat.com>
4237 PR tree-optimization/26854
4238 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4239 checking for zero or one use.
4240 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4241 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4242 * tree-ssa-reassoc.c (negate_value): Similarly.
4243 (reassociate_bb): Similarly.
4245 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4247 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4248 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4249 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4251 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4253 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4254 fp regs if the last fp arg doesn't fit in regs.
4256 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4259 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4260 that the last insn has the REG_INC note.
4262 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4263 Nathan Sidwell <nathan@codesourcery.com>
4266 * stor-layout.c (update_alignment_for_field): Do not align
4268 (place_union_field): Place union field at the start of the union.
4269 (place_field): Move ERROR_MARK check later, and use the current
4270 allocation position to maintain monotonicity.
4272 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4274 * dominance.c: Include timevar.h.
4275 (calculate_dominance_info): Use TV_DOMINANCE.
4276 * timevar.def (TV_DOMINANCE): New timevar.
4277 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4279 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4281 PR rtl-optimization/14261
4282 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4283 move would be an INSV insn.
4284 (noce_process_if_block): Don't optimize if the destination is a
4285 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4287 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4289 * config/s390/s390.md: Add comments with the instructions emitted
4290 by an insn pattern if macros are used.
4292 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4294 PR rtl-optimization/26026
4295 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4296 is a known power of two shifted left a variable amount.
4298 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4300 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4301 to hash table twice when the debug_str section has SECTION_MERGE.
4303 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4305 * config/soft-fp: New directory. From glibc.
4306 * config/soft-fp/t-softfp: New.
4307 * config/soft-fp/README: New.
4308 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4309 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4310 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4311 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4312 * config.gcc: Use rs6000/t-fprules-fpbit or
4313 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4315 * config/rs6000/sfp-machine.h: New. Based on glibc.
4316 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4318 * config/rs6000/t-fprules: Remove fp-bit rules.
4319 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4320 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4321 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4322 (softfp_wrap_start, softfp_wrap_end): New.
4324 2006-04-18 DJ Delorie <dj@redhat.com>
4326 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4328 2006-04-18 Devang Patel <dpatel@apple.com>
4330 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4332 2006-04-18 Nick Clifton <nickc@redhat.com>
4334 * config/sh/t-symbian: Add rule to build sh-c.o
4335 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4336 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4337 (sh_symbian_encode_section_info): Likewise.
4339 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4341 * builtins.c (expand_builtin_strcmp): Cover label definition of
4342 do_libcall with HAVE_cmpstrnsi.
4344 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4346 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4348 * function.h (temp_slot_p): New.
4349 (function): Change the type of x_used_temp_slots to
4350 VEC(temp_slot_p,gc) *.
4352 2006-04-18 Nick Clifton <nickc@redhat.com>
4354 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4355 flag_strength_reduce.
4357 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4359 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4363 Partial revert of revision 112637
4364 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4365 Dale Johannesen <dalej@apple.com>
4368 * regclass.c (struct reg_pref): Update documentation.
4369 (regclass): Set prefclass to NO_REGS if memory is the best option.
4370 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4372 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4374 PR tree-optimization/26821
4375 * tree-ssa-math-opts.c (get_constant_one): New.
4376 (insert_reciprocals): Use it.
4378 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4380 * dwarf2out.c (free_AT): Delete.
4381 (remove_AT): Update string ref counts.
4382 (remove_child_TAG): Don't call free_die.
4384 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4385 or DW_TAG_GNU_EINCL.
4386 (prune_unused_types_walk_attribs): Reset string refcounts.
4387 (prune_unused_types_update_strings): New.
4388 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4389 call free_die. Do call prune_unused_types_update_strings.
4390 (prune_unused_types): Empty debug_str_hash.
4392 2006-04-17 Roger Sayle <roger@eyesopen.com>
4394 * expr.c (expand_assignment): Optimize away no-op moves where the
4395 source and destination are equal and have no side-effects.
4397 2006-04-17 Richard Guenther <rguenther@suse.de>
4400 * reload.c (push_reload): Guard calls to get_secondary_mem
4403 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4405 * alias.c (reg_base_value, old_reg_base_value): Change the
4406 type to VEC(rtx,gc) *.
4407 (REG_BASE_VALUE, find_base_value, record_set,
4408 init_alias_analysis): Use VEC instead of VARRAY.
4410 * alias.c (alias_sets): Change the type to
4411 VEC(alias_set_entry,gc) *.
4412 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4413 VEC instead of VARRAY.
4414 (last_alias_set): Remove.
4416 * cgraph.h (cgraph_edge_p): New.
4417 Update the prototype of cgraph_function_versioning.
4418 * cgraphunit.c (cgraph_copy_node_for_versioning,
4419 cgraph_function_versioning): Use VEC instead of VARRAY.
4420 * ipa-cp.c (ipcp_insert_stage): Likewise.
4422 2006-04-16 Roger Sayle <roger@eyesopen.com>
4425 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4426 "A op B" or "A op C", we may need to convert A to the type of B and C.
4428 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4430 * target.h (struct gcc_target): Add mode_rep_extended.
4431 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4432 (init_num_sign_bit_copies_in_rep): Initialize it using
4434 (truncate_to_mode): Use it.
4435 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4436 * targhooks.h (default_mode_rep_extended): Declare it.
4437 * targhooks.c (default_mode_rep_extended): Define it.
4438 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4439 default_mode_rep_extended.
4440 (TARGET_INITIALIZER): Include it.
4441 * doc/tm.texi (Misc): Document it.
4442 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4443 (mips_truncated_to_mode): New function.
4445 2006-04-16 Roger Sayle <roger@eyesopen.com>
4448 * expr.c (compress_float_constant): Copy the narrow constant into
4449 a new pseudo before extending it to its final width.
4451 2006-04-16 Roger Sayle <roger@eyesopen.com>
4452 Andrew Pinski <pinskia@gcc.gnu.org>
4453 Dale Johannesen <dalej@apple.com>
4456 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4457 special case code to implement V8HImode and V16QImode with SSE2.
4459 2006-04-15 Roger Sayle <roger@eyesopen.com>
4461 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4462 trees are constructed with a suitable tree type.
4464 2006-04-15 Roger Sayle <roger@eyesopen.com>
4466 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4467 (integer_onep): Likewise.
4468 (integer_all_onesp): Likewise.
4469 (integer_pow2p): Likewise.
4470 (integer_nonzerop): Likewise.
4471 (real_zerop): Likewise.
4472 (real_onep): Likewise.
4473 (real_twop): Likewise.
4474 (real_minus_onep): Likewise.
4475 (int_size_in_bytes): Likewise.
4476 (host_integerp): Likewise.
4478 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4480 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4481 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4482 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4484 * tree-ssa-structalias.h (alias_info): Remove num_references.
4486 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4488 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4489 (output_bvb patterns): Likewise.
4490 * pa.c (output_bb): Use 'bb' insn for long branch case.
4491 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4492 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4493 1. Correct length operand for alternatives 1 and 2.
4494 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4495 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4497 2006-04-14 Roger Sayle <roger@eyesopen.com>
4499 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4500 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4501 were accidentally reverted by r112959.
4503 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4506 * except.h (eh_region_outermost): New prototype.
4507 * except.c (eh_region_outermost): New function.
4508 * tree-cfg.c (find_outermost_region_in_block): Use it.
4510 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4512 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4514 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4515 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4516 (init_reload, reload): Use VEC instead of VARRAY.
4517 * reload.h: Update the prototype for
4518 reg_equiv_memory_loc_varray.
4520 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4521 Eric Botcazou <ebotcazou@libertysurf.fr>
4523 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4526 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4529 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4530 to expand fallback builtin function call.
4532 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4535 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4536 and emit libcall here in case the builtin fails.
4537 (expand_builtin_strcmp): Always emit the libcall here on failure.
4539 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4541 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4542 * flow.c (reg_n_info): Change the type to
4543 VEC(reg_info_p,heap) *.
4544 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4546 * regs.h (reg_info_p): New.
4547 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4548 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4549 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4552 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4554 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4556 * params.h (MAX_SCHED_READY_INSNS): New macro.
4557 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4558 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4559 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4560 the ready list for 1 cycle during the first scheduling pass.
4561 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4563 2006-04-13 Richard Henderson <rth@redhat.com>
4566 * gimple-low.c (lower_omp_directive): Remove dead code.
4567 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4568 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4569 * omp-low.c (struct omp_region): Move to tree-flow.h.
4570 (root_omp_region): Export.
4571 (omp_regions, lookup_omp_region): Remove.
4572 (determine_parallel_type): Update for struct omp_region changes.
4573 (dump_omp_region): Dump regions with block numbers.
4574 (new_omp_region): Take type and block instead of stmt; malloc
4576 (free_omp_region_1, free_omp_regions): New.
4577 (expand_parallel_call): Take entry_stmt as argument; update for
4578 changes to omp_region.
4579 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4580 (remove_exit_barriers): New.
4581 (expand_omp_parallel): Update for struct omp_region changes.
4582 (expand_omp_synch): Likewise.
4583 (expand_omp): Likewise.
4584 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4585 (expand_omp_for_static_chunk): Likewise.
4586 (expand_omp_for): Likewise.
4587 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4588 (expand_omp_sections): Similarly, with GOMP_sections_end.
4589 (expand_omp_single): New.
4590 (build_omp_regions_1): Update for OMP_CONTINUE.
4591 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4592 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4593 OMP_SECTIONS_SECTIONS.
4594 (lower_omp_single_simple): Don't emit barrier here.
4595 (lower_omp_single_copy): Likewise.
4596 (lower_omp_single): Fix bindings, and lower to straightline now.
4597 (lower_omp_master, lower_omp_ordered): Likewise.
4598 (lower_omp_critical): Likewise.
4599 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4600 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4601 omp edges, free it afterward.
4602 (make_omp_sections_edges): Remove.
4603 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4604 (move_stmt_r): Handle OMP_CONTINUE.
4605 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4606 statement pointers to basic blocks. Add type member.
4607 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4608 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4609 * tree-inline.c (estimate_num_insns_1): Likewise.
4610 * tree-pretty-print.c (dump_generic_node): Likewise.
4611 * tree-ssa-operands.c (get_expr_operands): Likewise.
4612 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4613 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4614 (OMP_CONTINUE): New.
4615 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4616 (OMP_SECTIONS_SECTIONS): Remove.
4617 (OMP_SECTION_LAST): New.
4618 (OMP_RETURN_NOWAIT): New.
4620 2006-04-13 Roger Sayle <roger@eyesopen.com>
4622 * fold-const.c (native_encode_vector, native_interpret_real):
4623 Correct obvious mistakes in the previous check-in.
4625 2006-04-13 Roger Sayle <roger@eyesopen.com>
4627 * fold-const.c (native_encode_expr): New function to encode
4628 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4629 or VECTOR_CST into a specified buffer.
4630 (native_encode_int): New function.
4631 (native_encode_real): New function.
4632 (native_encode_complex): New function.
4633 (native_encode_vector): New function.
4634 (native_interpret_expr): Inverse of native_encode_expr to convert
4635 a target representation into an INTEGER_CST, REAL_CST etc...
4636 (native_interpret_int): New function.
4637 (native_interpret_real): New function.
4638 (native_interpret_complex): New function.
4639 (native_interpret_vector): New function.
4640 (fold_view_convert_expr): New function to constant fold/evaluate
4641 a VIEW_CONVERT_EXPR of a suitable constant expression.
4642 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4643 Change call of build1 to fold_build1 when constructing a
4646 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4647 Ulrich Weigand <uweigand@de.ibm.com>
4650 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4653 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4656 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4657 optimize to lo_sum for DFmode if !TARGET_FPRS.
4659 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4661 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4662 delete_alias_info, compute_flow_sensitive_aliasing,
4663 group_aliases): Use VEC instead of VARRAY.
4664 * tree-ssa-structalias.c (update_alias_info): Likewise.
4665 * tree-ssa-structalias.h (alias_info): Change the type of
4666 processed_ptrs to VEC(tree,heap) *.
4668 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4671 * config/sh/lib1funcs.h: New file, broken out of:
4672 * config/sh/lib1funcs.asm.
4673 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4675 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4676 * config/sh/lib1funcs-Os-4-200.asm: New file.
4677 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4678 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4679 (EXTRA_MULTILIB_PARTS): Include it.
4680 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4681 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4682 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4683 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4686 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4688 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4689 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4690 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4692 * tree-ssa-live.h: Include vecprim.h.
4693 (tree_partition_associator_d): Change the type of
4694 first_partition to VEC(int,heap) *.
4695 (tpa_first_partition): Use VEC instead of VARRAY.
4697 * Makefile.in (GTFILES): Move functions.h after tree.h.
4698 * function.c (reset_block_changes, record_block_change,
4699 check_block_change, free_block_changes): Use VEC instead of
4701 * function.h (function): Change the type of
4702 ib_boundaries_block to VEC(tree,gc) *.
4703 * tree-inline.c (copy_cfg_body): Initialize
4704 ib_boundaries_block to NULL instead of (varray_type) 0.
4706 2006-04-12 Roger Sayle <roger@eyesopen.com>
4708 * expr.c (emit_group_store): Correct operand order in call to
4709 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4710 a SUBREG_BYTE of zero.
4712 2006-04-12 Richard Guenther <rguenther@suse.de>
4714 * profile.c (compute_branch_probabilities): Remove code
4715 encapsulated in !ir_type (), which are remanents of the
4716 removed RTL profiling code.
4717 * rtl-profile.c: Remove.
4719 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4721 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4722 magic NULL_RTX comment.
4723 (function_arg): Store entire fp arg to mem if any part should go
4725 (rs6000_arg_partial_bytes): Adjust for above change.
4727 2006-04-11 Roger Sayle <roger@eyesopen.com>
4729 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4730 if it hasn't been initialized by dwarf2out_init.
4732 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4734 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4735 symbolic constants in branch patterns.
4737 2006-04-11 Roger Sayle <roger@eyesopen.com>
4739 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4741 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4743 PR rtl-optimization/27073
4744 * gcse.c (try_replace_reg): Revert last change. Continue to search
4745 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4748 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4750 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4751 aggregate types other than record and union types.
4752 (function_arg): Likewise.
4753 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4755 (function_value): In 64-bit mode, return objects that require it
4758 2006-04-11 Roger Sayle <roger@eyesopen.com>
4760 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4762 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4764 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4766 2006-04-03 Jeff Law <law@redhat.com>
4769 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4770 alias information too.
4772 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4774 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4776 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4779 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4780 (premark_used_types_helper): New.
4781 (premark_used_types): New.
4782 (gen_subprogram_die): Call premark_used_types.
4783 (prune_unused_types_walk): Do not prune perennial dies.
4784 * function.c (used_types_insert): New.
4785 * function.h (struct function): Add used_types_hash field.
4786 (used_types_insert): Add prototype.
4787 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4788 * c-parser.c (c_parser_cast_expression): Save casted types in used
4791 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4794 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4795 rs6000_explicit_options.float_gprs.
4797 2006-04-10 Roger Sayle <roger@eyesopen.com>
4799 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4800 from ix86_expand_vector_init_low_nonzero. Take an additional
4801 one_var argument indicating which element is non-zero. Support
4802 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4803 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4804 with one_var instead of ix86_expand_vector_init_low_nonzero.
4806 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4808 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4809 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4810 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4811 build/genextract.o): Depend on vecprim.h.
4812 * cfglayout.c, df-problems.c, function.c, genextract.c,
4813 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4814 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4818 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4820 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4821 Declare VECs of this type.
4822 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4823 (remove_children): Delete.
4824 (add_dwarf_attr): Use VEC routines.
4825 (add_AT_flag): Update for changes to add_dwarf_attr.
4826 (add_AT_int): Likewise.
4827 (add_AT_unsigned): Likewise.
4828 (add_AT_long_long): Likewise.
4829 (add_AT_vec): Likewise.
4830 (add_AT_string): Likewise.
4831 (add_AT_die_ref): Likewise.
4832 (add_AT_fde_ref): Likewise.
4833 (add_AT_loc): Likewise.
4834 (add_AT_loc_list): Likewise.
4835 (add_AT_addr): Likewise.
4836 (add_AT_lbl_id): Likewise.
4837 (add_AT_lineptr): Likewise.
4838 (add_AT_macptr): Likewise.
4839 (add_AT_offset): Likewise.
4840 (add_AT_range_list): Likewise.
4841 (get_AT): Use VEC_iterate.
4842 (remove_AT): Use VEC_ordered_remove.
4843 (free_die): Fold remove_children into here; have it use VEC_iterate.
4844 (print_die): Use VEC_iterate on attrs.
4845 (reverse_die_lists): Don't reverse attr lists.
4846 (die_checksum): Use VEC_iterate on attrs.
4847 (same_die_p): Likewise.
4848 (output_location_lists): Likewise.
4849 (build_abbrev_table): Likewise.
4850 (size_of_die): Likewise.
4851 (unmark_all_dies): Likewise.
4852 (output_abbrev_section): Likewise.
4853 (output_die): Likewise.
4854 (prune_unused_types_walk_attribs): Likewise.
4856 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4858 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4860 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4863 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4865 2006-04-09 Roger Sayle <roger@eyesopen.com>
4867 * expr.c (store_constructor): Don't bother clearing target if
4868 we're about to assign a vector to it using vec_init_optab.
4870 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4872 * tree-ssa-alias.c (lhs_may_store_to): New function.
4873 (recalculate_used_alone): Handle LHS of calls.
4875 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4879 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4880 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4881 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4882 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4883 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4884 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4885 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4886 stubs. Add ".align 8" directives before all ".dword" directives.
4887 (GTHREAD_USE_WEAK): Revise comment.
4888 (TARGET_ATTRIBUTE_WEAK): Define.
4889 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4890 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4891 * stublib.c: New file.
4896 * pa.md (cbranch patterns): Revise arguments used in calls to
4897 output_cbranch, output_bb and output_bvd. Add long branch length
4899 (fbranch patterns): Handle long branches.
4900 (jump): Revise length check. Revise arguments for output_lbranch call.
4901 Add long branch length attributes.
4902 (decrement_and_branch_until_zero): Add long branch length attributes.
4903 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4904 Likewise. Revise arguments for output_parallel_addb and
4905 output_parallel_movb calls.
4906 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4907 output_parallel_movb and output_parallel_addb): Update prototypes.
4908 * pa.c (output_cbranch): Revise arguments. Correct handling of
4909 nullification in long branches.
4910 (output_lbranch): Add new argument to control extraction of delay
4912 (output_bb): Handle long branches.
4913 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4914 output_parallel_addb): Likewise.
4916 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4918 PR rtl-optimization/27073
4919 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4922 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4924 * tree.h (tree_memory_tag): Add old_used_alone.
4925 (SMT_OLD_USED_ALONE): New macro.
4926 * tree-ssa-alias.c (recalculate_used_alone): Stop
4927 marking things for renaming unnecessarily.
4929 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4931 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4932 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4933 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4934 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4935 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4936 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4937 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4938 spelling convensions.
4939 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4940 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4941 typos. Follow spelling conventions.
4943 2006-04-07 DJ Delorie <dj@redhat.com>
4945 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4946 passed on the stack.
4947 (m32c_init_cumulative_args): When a function returns a structure,
4948 always pass the pointer to that return area on the stack.
4949 (m32c_function_arg_advance): Don't increment the parameter number
4950 if we're processing the returned structure pointer.
4951 (pushm_info): Reverse order of registers.
4953 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4955 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4956 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4957 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4958 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4960 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4961 chrec_fold_multiply): Same.
4962 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4963 force_expr_to_var_cost): Same.
4964 * tree-mudflap.c (mf_xform_derefs_1): Same.
4965 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4967 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4969 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4970 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4973 2006-04-07 Jan Hubicka <jh@suse.cz>
4975 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4977 2006-04-07 Richard Guenther <rguenther@suse.de>
4979 PR tree-optimization/26135
4980 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4981 loads for store copy-prop.
4982 (copy_prop_visit_stmt): Likewise.
4984 2006-04-05 Robert Millan <robertmh@gnu.org>
4986 * config/i386/linux.h: Add a comment to mark macros that are
4987 being overriden in config/k*bsd-gnu.h.
4988 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4990 * config/knetbsd-gnu.h: Ditto.
4992 2006-04-06 Jan Hubicka <jh@suse.cz>
4996 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4999 2006-04-06 Mike Stump <mrs@apple.com>
5001 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5002 for HAVE_nonlocal_goto to be consistent.
5003 (expand_builtin_nonlocal_goto): Likewise.
5004 (expand_builtin_strcmp): Use #ifdef instead of #if
5005 for HAVE_cmpstrnsi to be consistent.
5007 2006-04-05 DJ Delorie <dj@redhat.com>
5009 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5012 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5014 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5015 got-relative addressing for anything but SImode.
5017 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5018 even if the calling function doesn't modify them.
5020 2006-04-05 Richard Guenther <rguenther@suse.de>
5022 PR tree-optimization/26919
5023 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5024 to cgraph_estimate_size_after_inlining.
5026 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5028 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5030 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5032 PR tree-optimization/26996
5033 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5034 VECTOR_TYPE variables.
5036 2006-04-05 Richard Guenther <rguenther@suse.de>
5038 PR tree-optimization/26763
5039 * fold-const.c (fold_comparison): Move folding of
5040 PTR + CST CMP PTR + CST ...
5041 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5043 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5045 * doc/install.texi (Prerequisites): Refine some wording on
5046 bootstrapping and ksh.
5047 Move the version numbers of DejaGnu here from the testing section
5048 and fix casing of names.
5049 Fix markup and clarify wording for autogen requirements.
5050 Refer to GCJ instead of just java.
5051 Refer to SVN instead of CVS.
5052 Describe diffutils as useful instead of necessary.
5053 (Downloading the source): Refer to SVN instead of CVS.
5054 Adjust a link to our web site accordingly.
5055 (Configuration): Fix casing of Bison.
5056 (Building): Refer to SVN instead of CVS.
5057 Fix a sentence on the use of Bison and remove duplicate (and
5058 incorrect) version number of Bison requirement.
5059 Remove one redundant list of packages needed for building.
5060 (Specific): Avoid reference to CVS.
5062 2006-04-04 Eric Christopher <echristo@apple.com>
5064 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5065 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5066 (rs6000_handle_struct_attribute): New.
5067 (rs6000_ms_bitfield_layout_p): Ditto.
5069 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5071 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5072 NULL for dso parameter to atexit_common.
5074 2006-04-04 Eric Christopher <echristo@apple.com>
5076 * config/i386/i386.c (machopic_output_stub): Output \t
5077 between instructions and operands.
5079 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5081 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5082 satisfies_constraint_[IL] to explicit tests on value.
5084 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5086 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5087 set_nb_iterations_in_loop): Use build_int_cst instead of
5089 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5090 build_int_cst instead of convert.
5092 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5094 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5095 new value 2 for incoming.
5096 * function.c (expand_function_start): Call struct_value_rtx
5098 * config/sparc/sparc.md: Comment updated_return.
5099 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5100 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5101 struct return if sparc_std_struct_return and incoming is 2.
5102 (print_operand): Do not adjust return if
5103 sparc_std_struct_return.
5105 2006-04-04 Roger Sayle <roger@eyesopen.com>
5107 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5108 convert in the middle-end.
5109 * expr.c (store_expr, store_constructor, get_inner_reference,
5110 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5112 * tree.c (build_range_type): Likewise.
5114 2006-04-04 Tom Tromey <tromey@redhat.com>
5116 * doc/install.texi (Prerequisites): Mention jar.
5118 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5120 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5123 2006-04-04 Matthias Klose <doko@debian.org>
5125 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5126 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5129 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5131 * doc/extend.texi (Function Attributes): Rewrite visibility
5132 attribute documentation.
5133 * doc/invoke.texi (C++ Dialect Options): Rewrite
5134 -fvisibility-inlines-hidden documentation to describe something
5135 entirely different, although in practise compatible.
5136 (Code Gen Options): Warn about system headers in -fvisibility=
5139 * doc/extend.texi (Other Builtins): Document that
5140 __builtin_nan is a compile-time constant only when its argument
5143 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5145 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5146 trying to remove TRUNCATE check if all bits outside the new mode
5147 are identical to the sign bit.
5149 2006-04-03 Jeff Law <law@redhat.com>
5151 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5152 and operand scanning in some common cases.
5154 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5155 Dale Johannesen <dalej@apple.com>
5158 * regclass.c (struct reg_pref): Update documentation.
5159 (regclass): Set prefclass to NO_REGS if memory is the best option.
5160 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5161 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5162 into account. For non-registers, equate an empty preferred
5163 reload class to a `!' in the constraint; move the if clause to
5164 do so after those that reject the insn.
5165 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5167 (find_dummy_reload): Likewise.
5168 * doc/tm.texi (Register Classes): Document what it means
5169 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5170 * config/i386/i386.c (ix86_preferred_reload_class): Force
5171 using SSE registers (and return NO_REGS for floating-point
5172 constants) if math is done with SSE.
5173 (ix86_preferred_output_reload_class): New.
5174 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5175 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5176 * config/i386/i386.md: Remove # register preferences.
5178 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5181 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5182 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5183 the type of nb_iter.
5184 (instantiate_parameters_1): Convert the operands before calling
5185 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5186 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5188 2006-04-02 Roger Sayle <roger@eyesopen.com>
5190 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5191 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5193 * dojump.c (do_jump): Likewise.
5194 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5195 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5196 gimplify_boolean_expr): Likewise.
5197 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5198 * varasm.c (array_size_for_constructor): Likewise.
5199 * tree-object-size.c (compute_object_offset): Likewise.
5201 2006-04-02 Roger Sayle <roger@eyesopen.com>
5204 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5205 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5207 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5209 PR tree-optimization/26939
5210 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5212 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5214 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5215 at_stmt. Convert the type of operands before calling
5216 build_polynomial_chrec.
5217 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5219 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5220 (instantiate_parameters_1): Convert the type of operands before calling
5221 build_polynomial_chrec.
5222 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5223 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5224 reset_evolution_in_loop): Insert asserts to check the types of the
5226 (chrec_type): Moved...
5227 (eq_evolutions_p): Use operand_equal_p.
5228 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5229 the types of the operands.
5230 (chrec_type): ...here.
5231 * tree-data-ref.c (create_data_ref): Convert the operands before
5232 calling chrec_replace_initial_condition.
5233 (same_access_functions, analyze_subscript_affine_affine,
5234 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5235 (compute_subscript_distance, analyze_ziv_subscript,
5236 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5237 analyze_miv_subscript): Convert the operands before calling
5238 chrec_fold_minus or chrec_fold_plus.
5240 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5242 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5243 the dependence_relations vector.
5244 (compute_data_dependences_for_loop): Adjust call to
5245 compute_all_dependences.
5247 2006-04-01 Roger Sayle <roger@eyesopen.com>
5248 Richard Henderson <rth@redhat.com>
5250 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5251 gimple_boolify on the condition before calling gimplify_expr.
5253 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5255 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5256 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5257 the frame size. Update to use the new macros.
5258 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5259 * config/xtensa/ieee754-df.S: Likewise.
5261 2006-03-31 Richard Henderson <rth@redhat.com>
5263 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5264 (make_edges): ... here. Control fallthru creation with a local
5265 variable. Do not play with fake edges.
5266 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5267 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5270 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5272 * dwarf2.h (DW64_CIE_ID): Define.
5273 * dwarf2out.c (DWARF_CIE_ID): Define.
5274 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5275 length header. Use DWARF_CIE_ID.
5276 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5277 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5279 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5281 * config/sh/linux-atomic.asm: New file.
5282 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5284 2006-03-31 DJ Delorie <dj@redhat.com>
5286 * config/m32c/cond.md: Set condition flags properly throughout.
5287 * config/m32c/minmax.md: Likewise.
5288 * config/m32c/prologue.md: Likewise.
5289 * config/m32c/bitops.md: Likewise.
5290 * config/m32c/muldiv.md: Likewise.
5291 * config/m32c/mov.md: Likewise.
5292 * config/m32c/addsub.md: Likewise.
5293 * config/m32c/m32c.md: Likewise.
5294 * config/m32c/jump.md: Likewise.
5295 * config/m32c/shift.md: Likewise.
5297 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5298 conditionally output the pattern for this.
5299 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5300 (m32c_compare_redundant): New.
5301 (m32c_output_compare): New.
5302 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5304 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5305 dest, not src. Allow other 4-byte modes.
5307 2006-03-30 Denis Chertykov <denisc@overta.ru>
5309 * doc/md.texi: Refer to avr/constraints.md instead of
5312 2006-03-30 Roger Sayle <roger@eyesopen.com>
5314 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5315 signed vs. unsigned comparison failures on some hosts.
5317 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5320 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5321 change to FLOAT_REGS.
5323 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5324 (rs6000_override_options): Use it.
5325 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5326 only for -mabi=spe/no-spe and -mabi=altivec.
5328 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5330 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5333 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5335 * Makefile.in: Rename docdir to gcc_docdir.
5337 2006-03-30 Roger Sayle <roger@eyesopen.com>
5340 * expr.c (emit_group_store): Optimize group stores into a pseudo
5341 register by using a paradoxical subreg to initialize the destination
5342 if the first or last member of the group specifies a "low part".
5344 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5347 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5348 * target.h (struct gcc_target.speculate_insn): Change type of the
5349 second parameter to 'int'.
5350 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5351 the second operand of the DEPS_LIST.
5352 (copy_DEPS_LIST_list): Update reference to the second operand of the
5354 * rtl.h (alloc_DEPS_LIST): Update signature.
5355 * sched-int.h (ds_t): Change typedef to 'int'.
5356 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5358 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5360 * haifa-sched.c (try_ready): Change condition to restore
5361 non-speculative pattern of the instruction.
5362 (process_insn_depend_be_in_spec): Code to keep probability of the
5363 speculative dependence non-decreasing.
5365 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5367 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5368 (single_move_for_movmem): ... this. Also change all uses.
5369 (bfin_expand_strmov): Renamed to...
5370 (bfin_expand_movmem): ... this. Also change all uses.
5371 * config/bfin/bfin.md (movstrsi): Renamed to...
5372 (movstrsi): ...this.
5374 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5376 PR tree-optimization/26830
5378 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5379 (copy_prop_visit_stmt): Remove write-only variable ann.
5380 (init_copy_prop): Check variable loop depth here. Do not simulate
5381 memory-tag and virtual operand PHIs except for store copy prop.
5383 2006-03-30 Richard Guenther <rguenther@suse.de>
5385 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5386 variants with double arguments.
5388 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5390 * genpreds.c (write_tm_constrs_h): Delete variable p.
5391 * genconditions.c (write_header): Add tm-constrs.h to included
5393 * genpeep.c (main): Add toplev.h to included headers.
5394 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5395 (build/genpeep.o): Add toplev.h dependency.
5396 * config/rs6000/constraints.md: Add "W" constraint.
5398 2006-03-29 Roger Sayle <roger@eyesopen.com>
5400 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5401 sizes by correctly testing whether the size fits a host integer.
5402 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5403 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5404 SImode range for the default sizetype and bitsizetype.
5406 2006-03-29 Roger Sayle <roger@eyesopen.com>
5408 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5409 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5410 quickly if the argument is already of the correct type.
5411 Call fold_build1 instead of build1. Tidy up blank lines.
5413 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5415 * genemit.c (main): Add tm-constrs.h to included headers.
5416 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5417 * genpeep.c (main): Add tm-constrs.h to included headers.
5418 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5419 (write_tm_constrs_h): this and write complete file.
5420 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5421 (write_insn_preds_c): Add tm-constrs.h to included headers.
5422 (gen_constrs): New variable.
5423 (parse_option): Parse "-c".
5424 (main): Invoke write_tm_constrs_h.
5425 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5426 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5427 (object_out_file): Add tm-constrs.h dependency.
5428 (insn-emit.o): Same.
5429 (insn-output.o): Same.
5430 (insn-peep.o): Same.
5431 (insn-preds.o): Same.
5432 (insn-recog.o): Same.
5433 (tm-constsr.h): New target.
5434 (s-constrs-h): New target.
5436 * config/rs6000/constraints.md: New file.
5437 * config/rs6000/rs6000.c: Include tm-constrs.h.
5438 (num_insn_constant_wide): Convert to satisfies_constraint.
5439 (rs6000_rtx_costs): Convert to satisfies_constraint.
5440 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5441 (CONST_OK_FOR_LETTER_P): Delete.
5442 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5443 (EXTRA_CONSTRAINT): Delete.
5444 (EXTRA_MEMORY_CONSTRAINT): Delete.
5445 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5446 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5447 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5448 satisfies_constraint.
5450 * config/i386/i386.c: Include tm-constrs.h.
5452 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5454 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5455 * tree-data-ref.c (find_data_references_in_loop,
5456 compute_data_dependences_for_loop): Use pointers to VEC.
5457 (analyze_all_data_dependences): Adjust calls.
5458 * tree-data-ref.h (find_data_references_in_loop,
5459 compute_data_dependences_for_loop): Adjust declarations.
5460 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5461 compute_data_dependences_for_loop.
5463 2006-03-29 Paul Brook <paul@codesourcery.com>
5465 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5468 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5470 PR tree-optimization/26859
5471 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5473 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5474 for the step after fold_convert.
5476 2006-03-29 Paul Brook <paul@codesourcery.com>
5478 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5479 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5481 2006-03-29 Paul Brook <paul@codesourcery.com>
5484 * targhooks.c (default_narrow_bitfield): New fuction.
5485 * targhooks.h (default_narrow_bitfield): add prototype.
5486 * target.h (gcc_target): Add narrow_volatile_bitfield.
5487 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5488 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5489 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5490 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5492 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5494 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5496 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5497 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5498 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5499 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5500 (s390_function_arg_float): Allow SDmode and DDmode values to be
5501 passed in floating point registers.
5502 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5503 check with SCALAR_FLOAT_MODE_P.
5504 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5506 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5508 PR tree-optimization/25985
5509 * tree-ssa-loop-niter.c (number_of_iterations_le,
5510 number_of_iterations_ne): Make comments more precise.
5511 (number_of_iterations_cond): Add only_exit argument. Use the
5512 fact that signed variables do not overflow only when only_exit
5514 (loop_only_exit_p): New.
5515 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5516 number_of_iterations_cond.
5518 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5520 PR tree-optimization/26643
5521 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5524 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5526 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5527 (divsi3_i4_int): Likewise.
5529 2006-03-28 Roger Sayle <roger@eyesopen.com>
5531 * expr.c (emit_group_store): Only create a new pseudo reg if the
5532 quantity it needs to hold isn't already a suitable pseudo.
5534 2006-03-28 Jeff Law <law@redhat.com>
5536 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5537 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5539 2006-03-28 Roger Sayle <roger@eyesopen.com>
5541 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5542 the equivalent ~X & Y, and the symmetry related transformations.
5543 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5544 ~X & Y, and symmetry related transforms.
5546 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5548 Revert my 2006-03-27 patches.
5550 2006-03-28 Roger Sayle <roger@eyesopen.com>
5552 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5553 ~(T1)X, when T1 and T2 are integer types of the same precision
5554 and (T2)X isn't an extension.
5556 2006-03-28 Jeff Law <law@redhat.com>
5558 PR tree-optimization/26796
5559 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5560 need EH edge cleanups rather than purging them immediately.
5561 (eliminate_degenerate_phis): Handle queued EH cleanups.
5563 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5565 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5568 2006-03-27 Roger Sayle <roger@eyesopen.com>
5571 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5572 cast BIT_NOT_EXPR operand to the correct type.
5574 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5576 * tree-loop-linear.c: Don't include varray.h.
5577 (gather_interchange_stats, try_interchange_loops,
5578 linear_transform_loops): Use VEC instead of VARRAY.
5579 * lambda-mat.c: Don't include varray.h.
5580 * tree-chrec.c: Same.
5581 * lambda-trans.c: Same.
5582 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5583 VEC instead of VARRAY.
5584 * tree-vectorizer.h: Idem.
5585 * tree-data-ref.c (dump_data_references,
5586 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5587 initialize_data_dependence_relation, finalize_ddr_dependent,
5588 compute_all_dependences, find_data_references_in_loop,
5589 compute_data_dependences_for_loop, analyze_all_data_dependences,
5590 free_dependence_relation, free_dependence_relations,
5591 free_data_refs): Idem.
5592 * tree-data-ref.h (data_reference_p, subscript_p): New.
5593 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5594 VEC instead of VARRAY.
5595 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5596 (find_data_references_in_loop, compute_data_dependences_for_loop,
5597 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5598 dump_data_dependence_relations, free_dependence_relations,
5599 free_data_refs): Adjust declaration.
5600 (lambda_transform_legal_p): Move declaration here...
5601 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5602 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5603 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5604 vect_analyze_data_refs): Use VEC instead of VARRAY.
5605 * lambda.h (lambda_transform_legal_p): ...from here.
5606 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5607 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5608 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5609 tree-chrec.o): Don't depend on VARRAY_H.
5611 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5613 * rtl.def (Copyright): Update date.
5614 (DEPS_LIST): Change type of the second operand to 'int'.
5615 * target.h (Copyright): Update date.
5616 (struct gcc_target.speculate_insn): Change type of the second parameter
5618 * lists.c (Copyright): Update date.
5619 (alloc_DEPS_LIST): Change signature. Update reference to the second
5620 operand of the DEPS_LIST.
5621 (copy_DEPS_LIST_list): Update reference to the second operand of the
5623 * rtl.h (Copyright): Update date.
5624 (alloc_DEPS_LIST): Update signature.
5625 * sched-int.h (Copyright): Update date.
5626 (ds_t): Change typedef to 'int'.
5627 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5629 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5631 * haifa-sched.c (Copyright): Update date.
5632 (try_ready): Change condition to restore non-speculative pattern
5634 (process_insn_depend_be_in_spec): Code to keep probability of the
5635 speculative dependence non-decreasing.
5637 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5639 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5640 shut up the compiler.
5642 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5644 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5645 to use lib prefix for target.
5646 ($(T)libic_invalidate_array_4-200.a): Likewise.
5647 ($(T)libic_invalidate_array_4a.a): Likewise.
5649 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5650 J"orn Rennecke <joern.rennecke@st.com>
5652 * superh.opt: New file.
5653 * sh.c (boardtype, osruntime): Remove.
5654 * superh.h (SUBTARGET_OPTIONS): Remove.
5655 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5657 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5658 arguments with ^ and/or [].
5660 * config.gcc (sh-*-*): Add quoting to account for quirk of
5662 Replace == with = in enable_incomplete_targets test.
5664 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5665 with MASK_LITTLE_ENDIAN.
5667 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5668 * config/sh/sh.opt: Added to some comments.
5669 * config/sh/superh.h: Removed some chaff.
5671 * config/sh/sh.opt: Add m4-[1234]00* options.
5672 * config/sh/sh.c (sh_handle_option): Likewise.
5673 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5674 (ic_invalidate_array_4-100.o): New rule.
5675 ($(T)libic_invalidate_array_4-100.a): Likewise.
5676 (ic_invalidate_array_4-200.o): Likewise.
5677 ($(T)libic_invalidate_array_4-200.a): Likewise.
5678 (ic_invalidate_array_4a.o): Likewise.
5679 ($(T)libic_invalidate_array_4a.a): Likewise.
5680 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5681 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5683 * config/sh/crt1.asm: Merged in profiling code.
5684 * config/sh/superh.h (STARTFILE_SPEC): Override.
5685 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5686 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5687 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5689 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5690 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5691 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5693 * sh.opt (mpretend-cmove): New option.
5694 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5695 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5696 (movsicc): Add TARGET_PRETEND_CMOVE code.
5698 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5700 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5701 s390_class_max_nregs): New function prototypes.
5702 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5703 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5704 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5705 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5707 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5709 * dwarf2out.c (add_location_or_const_value_attribute): Call
5710 tree_add_const_value_attribute if nothing else works.
5711 (reference_to_unused): New.
5712 (rtl_for_decl_init): Use reference_to_unused to decide whether
5713 to output an initializer.
5715 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5718 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5719 peephole removing spe frob_di_df_2.
5721 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5723 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5724 (subscript_dependence_tester_1): Declared.
5725 (print_dir_vectors, print_dist_vectors): New.
5726 (debug_data_dependence_relation): New.
5727 (dump_data_dependence_relation): Print more details.
5728 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5729 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5730 (save_dist_v, save_dir_v, add_outer_distances,
5731 build_classic_dist_vector_1): New.
5732 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5733 Don't test for lambda_vector_lexico_pos.
5734 (same_access_functions, add_multivariate_self_dist,
5735 add_other_self_distances, dir_from_dist): New.
5736 (build_classic_dir_vector): Replace implementation almost identical to
5737 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5739 (subscript_dependence_tester_1): New.
5740 (subscript_dependence_tester): Handle the lexicographically negative
5741 distance vectors by recomputing the dependence relation.
5742 (compute_affine_dependence): Remove parameter loop_nest_depth.
5743 (compute_self_dependence): Don't call compute_subscript_distance.
5744 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5745 Add a parameter for the loop_nest.
5746 (find_loop_nest_1, find_loop_nest): New.
5747 (compute_data_dependences_for_loop): Compute the loop nest, and give
5748 up if the nest is not well formed.
5749 * tree-data-ref.h (loop_p): New.
5750 (struct data_dependence_relation): Replace size_vect field with
5751 loop_nest, a vec of loops.
5752 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5753 (DDR_LOOP_NEST): New.
5754 (print_dir_vectors, print_dist_vectors,
5755 debug_data_dependence_relation): Declared.
5756 (index_in_loop_nest): New.
5757 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5758 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5761 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5763 * simplify-rtx.c (simplify_relational_operation): Call
5764 simplify_relational_operation_1 even if mode is VOIDmode.
5766 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5768 PR tree-optimization/26804
5769 * tree.h (DECL_CALL_CLOBBERED): New macro.
5770 (tree_decl_common): Add call_clobbered_flag.
5771 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5772 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5773 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5774 (mark_non_addressable): Ditto.
5775 * tree-ssa.c (verify_call_clobbered): New function.
5776 (verify_alias_info): Use it.
5777 * tree-pass.h (pass_reset_cc_flags): New prototype.
5778 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5779 (reset_cc_flags): New function.
5780 * passes.c (init_optimization_passes): Call reset_cc_flags after
5781 initializing referenced_vars.
5783 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5784 Roger Sayle <roger@eyesopen.com>
5787 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5788 to 1.0 for non-real operands. Implement A / A optimization for
5791 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5793 * config/i386/i386.c (size_cost): Correct the comment for
5794 cost of storing fp registers.
5795 (i386_cost): Likewise.
5796 (i486_cost): Likewise.
5797 (pentium_cost): Likewise.
5798 (pentiumpro_cost): Likewise.
5799 (k6_cost): Likewise.
5800 (athlon_cost): Likewise.
5801 (k8_cost): Likewise.
5802 (pentium4_cost): Likewise.
5803 (nocona_cost): Likewise.
5804 (generic64_cost): Likewise.
5805 (generic32_cost): Likewise.
5807 2006-03-24 Denis Chertykov <denisc@overta.ru>
5809 * config/avr/avr-protos.h (extra_constraint): Delete.
5810 (extra_constraint_Q): New declaration.
5811 * config/avr/constraints.md: New file.
5812 * config/avr/avr.md: Include it.
5813 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5814 (TMP_REGNO, ZERO_REGNO): Likewise.
5815 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5816 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5817 (extra_constraint): Delete.
5818 (extra_constraint_Q): Test for memory constraint 'Q'.
5819 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5820 (REG_CLASS_FROM_LETTER): Delete.
5821 (CONST_OK_FOR_LETTER_P): Delete.
5822 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5823 (EXTRA_CONSTRAINT): Delete.
5824 (TMP_REGNO): Delete.
5825 (ZERO_REGNO): Delete.
5827 2006-03-24 Jeff Law <law@redhat.com>
5829 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5830 directly. Call mark_new_vars_to_rename slightly earlier.
5832 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5834 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5836 (gen_compile_unit_die): Use new language types for Objective-C and
5838 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5839 DW_LANG_C_plus_plus.
5842 * config/t-darwin (crt3.o): Work around bug 26840.
5843 * config/darwin-crt3.c: Rewrite.
5844 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5846 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5848 * doc/invoke.texi: Document -femit-class-debug-always
5849 * common.opt: Add -femit-class-debug-always.
5851 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5853 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5854 index and base register.
5855 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5856 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5857 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5858 REGNO_OK_FOR_INDEX_P.
5859 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5861 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5862 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5863 REG_OK_FOR_BASE_P): Definitions removed.
5865 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5868 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5869 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5870 set yet or weren't marked as local yet.
5872 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5874 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5877 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5879 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5880 (rs6000_legitimate_small_data_p): Delete.
5881 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5882 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5883 and make static. Add forward declaration. Update uses.
5884 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5885 of offsettable_memref_p.
5886 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5887 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5889 2006-03-24 Jeff Law <law@redhat.com>
5891 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5892 around bug in immediate-use iterator.
5894 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5897 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5898 or __LITTLE_ENDIAN__.
5900 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5902 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5903 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5904 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5905 * config/sh/sh.opt (mdiv=): Amend description.
5906 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5907 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5908 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5909 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5910 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5911 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5912 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5913 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5914 TARGET_DIVIDE_CALL_FP.
5916 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5918 * haifa-sched.c (choose_ready): Fix type of the local variable.
5919 Move local variables. Add comment.
5920 (check_reg_live): Change signature. Make callable from debugger.
5921 * sched-int.h (check_reg_live): Update signature.
5922 * sched-ebb.c (check_reg_live): Update parameters.
5923 * sched-rgn.c (check_reg_live): Ditto.
5924 (region_head_or_leaf_p): Check pointer before dereferencing.
5925 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5926 before reload on optimization levels below 1.
5928 2006-03-23 Richard Henderson <rth@redhat.com>
5930 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5934 * config/alpha/predicates.md (local_symbolic_operand): Reject
5937 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5940 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5941 expressions which have overflowed constants.
5943 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5945 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5947 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5949 * cfgloopmanip.c (create_loop_notes): Removed.
5950 * final.c (final_scan_insn): Do not handle loop notes.
5951 * jump.c (squeeze_notes): Ditto.
5952 * cfglayout.c (skip_insns_after_block,
5953 duplicate_insn_chain): Ditto.
5954 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5956 * cfgloop.h (create_loop_notes): Declaration removed.
5958 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5960 * varasm.c (output_constant_pool): Restore fnname and fndecl
5962 (assemble_start_function): Adjust call accordingly.
5963 (assemble_end_function): Likewise.
5965 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5968 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5971 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5973 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5976 * system.h (ICE_EXIT_CODE): New macro.
5977 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5978 (diagnostic_action_after_output): Likewise.
5979 * gcc.c (fatal_ice): New function.
5980 (execute): Use it instead of fatal.
5981 (fancy_abort): Likewise.
5982 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5984 2006-03-22 Jeff Law <law@redhat.com>
5986 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5987 iv_analyze_result returning false.
5989 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5991 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5993 2006-03-22 Richard Henderson <rth@redhat.com>
5996 * except.c (duplicate_eh_regions_0): New.
5997 (duplicate_eh_region_1): Duplicate the children of the node as
5998 well as the node itself. Link them up properly.
5999 (duplicate_eh_region_2): Merge into ...
6000 (duplicate_eh_regions): ... here. Take copy_region argument, and
6001 copy only a sub-tree if asked. Simplify copying and fixup.
6002 (eh_region_outer_p): New.
6003 * except.h (duplicate_eh_regions): Update decl.
6004 (eh_region_outer_p): Declare.
6005 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6006 (lower_omp_master): Likewise.
6007 (lower_omp_ordered): Likewise.
6008 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6009 (move_stmt_r): Use it to remap labels. Handle recursion vs
6010 remap_decls_p properly.
6011 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6012 (find_outermost_region_in_block): New.
6013 (new_label_mapper): New.
6014 (move_sese_region_to_fn): Copy eh information to the new function
6016 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6018 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6021 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6023 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6024 into shared libraries.
6026 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6028 * doc/md.texi: Refer to i386/constraints.md instead of
6030 * config/i386/constraints.md: New file, extracted from...
6031 * config/i386/predicates.md: ...here.
6032 * config/i386/i386.md: Include constraints.md.
6034 2006-03-21 Jason Merrill <jason@redhat.com>
6036 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6039 * expr.c (init_block_move_fn): Force default visibility.
6040 (init_block_clear_fn): Likewise.
6041 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6042 * targhooks.c (default_external_stack_protect_fail): Likewise.
6044 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6046 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6047 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6048 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6049 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6050 (loadgp): Use mips_current_loadgp_style.
6051 (loadgp_noshared): New pattern.
6052 (sibcall_internal): Use MIPS_CALL.
6053 (sibcall_value_internal): Likewise.
6054 (sibcall_value_multiple_internal): Likewise.
6055 (call_internal): Likewise.
6056 (call_value_internal): Likewise.
6057 (call_value_multiple_internal): Likewise.
6058 (call_split): Use MIPS_CALL and add an 'S' constraint.
6059 (call_value_split): Likewise.
6060 (call_value_multiple_split): Likewise.
6061 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6062 (-mshared): New option.
6063 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6064 (mips_current_loadgp_style): Declare.
6065 * config/mips/mips.c (mips_classify_symbol): Avoid using
6066 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6067 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6068 TARGET_ABSOLUTE_ABICALLS.
6069 (override_options): Adjust comments. Improve the warning that is
6070 issued when -mabicalls and -G are used together.
6071 (mips_file_start): Remove comment.
6072 (mips_current_loadgp_style): New function.
6073 (mips_gnu_local_gp): New variable.
6074 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6076 (mips_output_function_prologue): Use mips_current_laodgp_style.
6077 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6078 the cprestore instruction.
6079 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6080 live for TARGET_ABSOLUTE_ABICALLS.
6081 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6082 (ASM_SPEC): Pass down -mshared and -mno-shared.
6083 (MIPS_CALL): New macro.
6084 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6086 * doc/invoke.texi (-mabicalls): Update documentation.
6087 (-mshared): Document.
6089 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6091 * config/ia64/unwind-hpux.c: New file.
6092 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6094 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6097 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6099 2006-03-21 Jeff Law <law@redhat.com>
6101 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6102 type conversions of a VR_VARYING source to a wider type.
6104 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6106 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6107 tm_file on Solaris 10 and later.
6108 (sparc64-*-solaris2*): Likewise.
6109 (sparc-*-solaris2*): Likewise.
6110 * config/sol26.h: Rename to config/sol2-6.h.
6111 * config/sol2-10.h: New file.
6113 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6116 * tree-ssa-pre.c (create_component_ref_by_pieces):
6119 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6122 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6123 return it immediately.
6125 2006-03-21 Michael Matz <matz@suse.de>
6127 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6129 (remove_arc, add_arc): Update num_out_arcs member.
6130 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6132 (cache_presence): New function.
6133 (compare_states_for_equiv): New function.
6134 (state_is_differed): Don't take number of outargs, adjust callers.
6135 Use new invariant for speeding up.
6136 (init_equiv_class): Create initial classes based on sorted
6138 (partition_equiv_class): Don't track out_arcs_num.
6139 (evaluate_equiv_classes): Call cache_presence on all states and
6142 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6144 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6145 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6146 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6147 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6149 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6150 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6151 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6152 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6153 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6155 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6156 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6157 (REGNO_REG_CLASS): ARGP is in PREGS.
6158 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6160 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6161 to deal with those addresses.
6162 * addresses.h: New file.
6163 * caller-save.c: Include "addresses.h".
6164 (init_caller_save): Use new base_reg_class function.
6165 * rtl-factoring.c: Include "addresses.h".
6166 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6167 * recog.c: Include "addresses.h".
6168 (preprocess_constraints): Use new base_reg_class function.
6169 * regrename.c: Include "addresses.h".
6170 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6171 functions. Keep track of a new var INDEX_CODE to compute valid
6173 (replace_oldest_value_addr): Likewise.
6174 (replace_oldest_value_mem): Use base_reg_class.
6175 * reload.c: Include "addresses.h".
6176 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6177 (find_reloads): Use new base_reg_class function.
6178 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6179 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6180 all callers and prototype changed.
6181 * reload1.c: Include "addresses.h".
6182 (maybe_fix_stack_asms): Use base_reg_class.
6183 * regclass.c: Include "addresses.h".
6184 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6185 (init_reg_autoinc): Use new base_reg_class function.
6186 (record_reg_classes): Likewise.
6187 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6188 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6189 Use new args to compute necessary class.
6191 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6192 regrename.o, rtl-factoring.o): Update dependencies.
6193 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6194 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6195 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6196 REG_OK_FOR_INDEX_P): Delete documentation.
6198 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6200 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6201 from V7 to V9 for Solaris 7 and above.
6203 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6205 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6206 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6207 argument pointers may not alias any other storage.
6208 * common.opt: Define option -fargument-noalias-anything.
6209 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6210 alias semantics is specified by flag_argument_noalias > 2.
6212 2006-03-20 Jeff Law <law@redhat.com>
6214 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6215 (pass_phi_only_cprop): Declare.
6216 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6218 * tree-ssa-dom.c (degenerate_phi_result): New function.
6219 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6220 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6221 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6222 (eliminate_degenerate_phis): Likewise.
6223 (pass_phi_only_cprop): New pass descriptor.
6224 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6225 support code. Callers updated.
6226 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6227 (store_copy_prop): Likewise.
6228 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6230 2006-03-20 Jason Merrill <jason@redhat.com>
6233 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6234 (push_visibility, pop_visibility): Likewise.
6235 * c-pragma.h: Declare them.
6237 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6239 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6241 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6242 parameter and use get_ebb_head_tail.
6243 (sh_md_init_global): Adjust uses of find_regmode_weight.
6245 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6247 * function.h (struct function) <x_tail_recursion_reentry>:
6248 Rename to x_stack_check_probe_note.
6249 (tail_recursion_reentry): Rename to stack_check_probe_note.
6250 * function.c: Replace tail_recursion_reentry with
6251 stack_check_probe_note everywhere.
6252 (expand_function_start): Only emit a note for
6253 stack_check_probe_note with -fstack-protect.
6254 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6256 * emit-rtl.c (remove_unnecessary_notes): Remove.
6257 (pass_remove_unnecessary_notes): Remove.
6258 * rtl.h (remove_unnecessary_notes): Remove prototype.
6259 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6260 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6261 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6263 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6266 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6267 (valid_in_set): Handle ARRAY_REF.
6268 Change "if min_variant or VH" to asserts.
6269 (create_component_ref_by_pieces): Handle ARRAY_REF.
6270 (create_expression_by_pieces): Likewise.
6271 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6273 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6275 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6276 is operand of switch, not str[0].
6278 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6280 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6281 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6283 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6285 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6286 end of insn_extra_address_constraint declaration.
6288 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6290 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6291 (no-sum-in-toc): Same.
6292 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6294 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6295 NO_FP_IN_TOC for -fPIC instead of mask.
6297 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6298 (BOOT_LDFLAGS): Delete.
6300 * config/rs6000/t-aix52: Same.
6302 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6303 (stmsi[345678]_power): New.
6305 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6307 * config/ia64/ia64.opt: Add empty line to end of file.
6309 2006-03-17 Richard Guenther <rguenther@suse.de>
6312 * builtins.c (get_pointer_alignment): For component style references
6313 adjust alignment to the component type alignment. Make sure
6314 to adjust alignment for component access of constants.
6316 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6318 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6321 2006-03-17 Paul Brook <paul@codesourcery.com>
6323 * doc/install.texi: Docuemnt --with-mode.
6324 * config.gcc: Add --with-mode for arm*-*-*.
6325 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6327 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6329 * sh.c (max_labelno_before_reorg): New variable.
6330 (sh_reorg): Initialize it.
6331 (find_barrier): Check max_labelno_before_reorg before using
6332 label_to_alignment. Take length of explicit alignment insns
6333 into account. When seeing a UNSPECV_CONST_END, return it.
6335 * sh.c (fixup_mova): Set mode of affected label to QImode.
6336 (untangle_mova): New function.
6337 (find_barrier): Use it. Check mode of label before decrementing
6339 (sh_reorg): Likewise.
6340 Set mode of all insns back to VOIDmode.
6342 * sh.c (MOVA_LABELREF): New macro.
6343 (mova_p, fixup_mova, sh_reorg): Use it.
6344 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6345 ADDR_DIFF_VEC matches mova.
6347 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6349 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6350 with ATTRIBUTE_UNUSED.
6352 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6354 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6355 pointer, instead of assuming it is possible to derive the
6356 correct args size from a call insn.
6358 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6360 * rtl.h (CONST_INT_P): Define.
6361 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6362 instead of GET_CODE(x) == CONST_INT.
6363 (vax_rtx_costs): Likewise.
6364 (vax_output_int_move): Likewise.
6365 (vax_output_int_add): Likewise.
6366 (legitimate_constant_address_p): Likewise.
6367 (index_term_p): Likewise.
6368 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6369 * config/vax/vax.md (and<mode>3): Likewise.
6370 (ashrsi3): Likewise.
6372 (movstricthi): Likewise.
6373 (movstrictqi): Likewise.
6374 (rotrsi3): Likewise.
6375 (five unnamed insns): Likewise.
6377 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6379 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6380 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6381 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6382 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6383 Pass to ASM_OUTPUT_DWARF_OFFSET.
6384 * dwarf2out.c (debug_frame_section): New.
6385 (output_call_frame_info): Use debug_frame_section. Pass it to
6386 dw2_asm_output_offset.
6387 (output_die): Pass appropriate section to dw2_asm_output_offset.
6388 (output_compilation_unit_header): Likewise.
6389 (output_pubnames): Likewise.
6390 (output_aranges): Likewise.
6391 (enum dw_val_class): Break dw_val_class_lbl_offset into
6392 dw_val_class_lineptr and dw_val_class_macptr.
6393 (add_AT_lbl_offset): Delete.
6394 (add_AT_lineptr): New.
6395 (add_AT_macptr): New.
6396 (AT_lbl): Expect a lineptr or macptr.
6397 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6398 (attr_checksum): Likewise.
6399 (same_dw_val_p): Likewise.
6400 (size_of_die): Likewise.
6401 (value_format): Likewise.
6402 (output_die): Likewise.
6403 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6405 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6406 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6407 * config/darwin-protos.h (darwin_file_start): New.
6408 (darwin_asm_output_dwarf_offset): New.
6409 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6410 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6412 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6413 if not EH section; simplify.
6414 (darwin_file_start): New.
6415 (darwin_asm_output_dwarf_offset): New.
6416 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6418 (DEBUG_INFO_SECTION): Likewise.
6419 (DEBUG_ABBREV_SECTION): Likewise.
6420 (DEBUG_ARANGES_SECTION): Likewise.
6421 (DEBUG_MACINFO_SECTION): Likewise.
6422 (DEBUG_LINE_SECTION): Likewise.
6423 (DEBUG_LOC_SECTION): Likewise.
6424 (DEBUG_PUBNAMES_SECTION): Likewise.
6425 (DEBUG_STR_SECTION): Likewise.
6426 (DEBUG_RANGES_SECTION): Likewise.
6427 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6428 (ASM_OUTPUT_DWARF_OFFSET): New.
6430 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6432 * config.gcc (tm_defines): Always add to previous value rather
6435 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6437 * config/mips/predicates.md (splittable_const_int_operand): New,
6438 split from move_operand.
6439 (splittable_symbolic_operand): New.
6440 (move_operand): Add commentary. Use splittable_const_int_operand.
6441 Inline mips_atomic_symbolic_constant_p.
6442 * config/mips/mips.md: Add combine splitters for handling moves
6443 of splittable_const_int_operands and splittable_symbolic_operands.
6444 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6445 (mips_split_symbol): Declare.
6446 (mips_move_integer): Declare.
6447 * config/mips/mips.c (mips_split_p): Make global.
6448 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6449 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6450 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6451 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6452 (mips_offset_within_object_p): Handle block symbols.
6453 (mips_atomic_symbolic_constant_p): Delete.
6454 (mips_cannot_force_const_mem): Return false for constants that
6455 mips_legitimize_move can handle.
6456 (mips_use_blocks_for_constant_p): New function.
6457 (mips_split_symbol): Make global.
6458 (mips_move_integer): Likewise. Add a temporary register argument.
6459 (mips_legitimize_const_move): Use splittable_const_int_operand and
6460 splittable_symbolic_operand.
6461 (mips_use_anchors_for_symbol_p): New function.
6462 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6463 (mips_split_p): Declare.
6465 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6467 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6468 (mips*-*-linux*): Likewise.
6470 2006-03-16 Roger Sayle <roger@eyesopen.com>
6471 Daniel Speyer <dspeyer@wam.umd.edu>
6474 * tree-dump.c (dump_real): New function.
6475 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6476 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6477 (tree-dump.o): Add $(REAL_H) to the dependencies.
6479 2006-03-16 Roger Sayle <roger@eyesopen.com>
6482 * real.c (real_from_string): If the mantissa is zero, don't bother
6483 parsing the exponent as the result should always be zero.
6485 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6487 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6489 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6491 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6492 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6493 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6494 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6495 ia64_sched_finish_global): New static functions to implement
6496 hooks from gcc_target.sched.
6497 (spec_check_no, max_uid, pending_data_specs): New static variables.
6498 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6499 ia64_spec_check_src_p): New static functions.
6500 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6501 (TARGET_SCHED_ADJUST_COST): Removed.
6502 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6503 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6504 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6505 TARGET_SCHED_GEN_CHECK,
6506 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6507 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6508 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6509 Fixed to handle speculation checks.
6510 (rtx_needs_barrier): Fixed to handle speculative loads and
6512 (ia64_variable_issue): Added code to count speculative loads and their
6514 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6516 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6518 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6520 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6521 (ia64_reorg): Reset stops_p to NULL after it is freed.
6522 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6523 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6524 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6526 (data_speculative, control_speculative, check_load): New attributes.
6527 (mov<mode>_advanced, mov<mode>_speculative,
6528 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6529 zero_extend<mode>di2_speculative,
6530 zero_extend<mode>di2_speculative_advanced): New patterns for
6531 data and control speculative loads.
6532 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6534 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6535 New pattern for data and control speculation checks.
6536 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6537 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6538 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6539 Auxiliary definitions for the patterns.
6540 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6541 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6543 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6545 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6546 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6547 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6548 New resource constraints.
6549 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6551 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6552 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6553 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6554 msched-in-control-spec, msched-ldc, msched-control-ldc,
6555 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6556 msched-prefer-non-control-spec-insns,
6557 msched-count-spec-in-critical-path): New flags to tune speculative
6559 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6560 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6561 msched-in-control-spec, msched-ldc, msched-control-ldc,
6562 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6563 msched-prefer-non-control-spec-insns,
6564 msched-count-spec-in-critical-path): Document new flags.
6566 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6568 * target.h (struct spec_info_def): New opaque declaration.
6569 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6570 speculate_insn, needs_block_p, gen_check,
6571 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6572 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6573 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6574 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6575 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6576 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6578 (TARGET_SCHED): Use new macros.
6579 * rtl.h (copy_DEPS_LIST_list): New prototype.
6580 * sched-int.h (struct sched_info): Change signature of new_ready field,
6581 adjust all initializations. New fields: add_remove_insn,
6582 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6583 region_head_or_leaf_p.
6584 (struct spec_info_def): New structure declaration.
6585 (spec_info_t): New typedef.
6586 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6587 recovery_block, orig_pat.
6588 (glat_start, glat_end): New variables declaraions.
6589 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6591 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6592 DETACH_LIFE_INFO, USE_GLAT.
6593 (enum SPEC_SCHED_FLAGS): New enumeration.
6594 (NOTE_NOTE_BB_P): New macro.
6595 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6596 attach_life_info, debug_spec_status, check_reg_live): New functions.
6597 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6598 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6600 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6601 * ddg.c (get_block_head_tail): Adjust all uses.
6602 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6603 (sms_sched_info): Initialize new fields.
6604 (contributes_to_priority): Removed.
6605 * haifa-sched.c (params.h): New include.
6606 (get_block_head_tail): Adjust all uses.
6607 (ISSUE_POINTS): New macro.
6608 (glat_start, glat_end): New global variables.
6609 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6610 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6611 old_last_basic_block, before_recovery, current_sched_info_var,
6612 rgn_n_insns, luid): New static variables.
6613 (insn_cost1): New function. Move logic from insn_cost to here.
6614 (find_insn_reg_weight1): New function. Move logic from
6615 find_insn_reg_weight to here.
6616 (reemit_notes, move_insn, max_issue): Change signature.
6617 (move_insn1): Removed.
6618 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6619 extend_bb): New static functions to support extension of scheduler's
6621 (generate_recovery_code, process_insn_depend_be_in_spec,
6622 begin_speculative_block, add_to_speculative_block,
6623 init_before_recovery, create_recovery_block, create_check_block_twin,
6624 fix_recovery_deps): New static functions to support
6625 generation of recovery code.
6626 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6627 restore_bb_notes, move_block_after_check, move_succs): New static
6628 functions to support ebb scheduling.
6629 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6630 functions to support handling of register live information.
6631 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6632 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6633 add_jump_dependencies): New static functions.
6634 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6635 consistancy checking.
6636 (debug_spec_status): New function to call from debugger.
6637 (priority): Added code to handle speculation checks.
6638 (rank_for_schedule): Added code to distinguish speculative instructions.
6639 (schedule_insn): Added code to handle speculation checks.
6640 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6641 Fixed to handle ebbs.
6642 (move_insn): Added code to handle ebb scheduling.
6643 (max_issue): Added code to use ISSUE_POINTS of instructions.
6644 (choose_ready): Added code to choose between speculative and
6645 non-speculative instructions.
6646 (schedule_block): Added code to handle ebb scheduling and scheduling of
6647 speculative instructions.
6648 (sched_init): Initialize new variables.
6649 (sched_finish): Free new variables. Print statistics.
6650 (try_ready): Added code to handle speculative instructions.
6651 * lists.c (copy_DEPS_LIST_list): New function.
6652 * sched-deps.c (extend_dependency_caches): New function. Move logic
6653 from create_dependency_caches to here.
6654 (get_dep_weak, ds_merge): Make global.
6655 * genattr.c (main): Code to output prototype for
6656 dfa_clear_single_insn_cache.
6657 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6658 (output_dfa_clean_insn_cache_func): Code to output
6659 dfa_clear_single_insn_cache function.
6660 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6662 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6664 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6665 New static variables.
6666 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6667 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6669 (ebb_sched_info): Initialize new fields.
6670 (get_block_head_tail): Adjust all uses.
6671 (compute_jump_reg_dependencies): Fixed to use glat_start.
6672 (schedule_ebb): Code to remove unreachable last block.
6673 (schedule_ebbs): Added code to update register live information.
6674 * sched-rgn.c (region_sched_info): Initialize new fields.
6675 (get_block_head_tail): Adjust all uses.
6676 (last_was_jump): Removed. Adjust users.
6677 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6678 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6679 Implement new hooks.
6680 (check_dead_notes1): New static function.
6681 (struct region): New fields: dont_calc_deps, has_real_ebb.
6682 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6683 (BB_TO_BLOCK): Fixed to handle EBBs.
6684 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6685 (ebb_head): New static variable.
6686 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6687 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6689 (compute_dom_prob_ps): New assertion.
6690 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6691 global_live_at_start.
6692 (init_ready_list): New assertions.
6693 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6694 (new_ready): Add support for BEGIN_CONTROL speculation.
6695 (schedule_insns): Fixed code that updates register live information
6697 (schedule_region): Fixed to handle EBBs.
6698 (init_regions): Use extend_regions and check_dead_notes1.
6699 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6700 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6701 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6702 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6703 TARGET_SCHED_GEN_CHECK,
6704 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6705 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6706 * doc/invoke.texi (max-sched-insn-conflict-delay,
6707 sched-spec-prob-cutoff): Document.
6709 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6711 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6712 inter_tick, queue_index.
6713 (struct sched_info): Change signature of init_ready_list field.
6714 Adjust all initializations.
6715 (RESOLVED_DEPS): New access macro.
6716 (ready_add): Remove prototype.
6717 (try_ready): Add prototype.
6718 * sched-rgn.c (init_ready_list): Use try_ready.
6719 (schedule_region): Initialize
6720 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6721 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6722 (init_ready_list): Use try_ready.
6723 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6724 * lists.c (remove_list_elem): Remove `static'.
6725 (remove_free_INSN_LIST_elem): New function.
6726 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6727 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6728 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6730 (readyp): New variable.
6731 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6732 change_queue_index, resolve_dep): New static functions.
6733 (try_ready): New function. Adjust callers in sched-rgn.c and
6734 sched-ebb.c to use it instead of ready_add.
6735 (clock_var): Move at the begining of file.
6736 (rank_for_schedule): Fix typo.
6737 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6738 (ready_lastpos): Enforce assertion.
6739 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6741 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6742 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6743 (queue_to_ready): Use free_INSN_LIST_list.
6744 (early_queue_to_ready): Fix typo.
6745 (schedule_block): Init readyp. Move init_ready_list call after the
6746 initialization of clock_var. Fix error in rejecting insn by
6747 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6748 that previously corrected INSN_TICKs. Add code for handling
6750 (set_priorities): Fix typo.
6751 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6752 Clarify comment and code that keeps current_sched_info->next_tail
6755 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6757 * sched-rgn.c (extend_rgns): New static function.
6758 (find_rgns): Use it.
6759 (gather_region_statistics, print_region_statistics): New static
6761 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6762 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6764 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6765 Andrey Belevantsev <abel@ispras.ru>
6767 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6768 * lists.c (unused_deps_list): New variable.
6769 (free_list): Add assertions to verify the proper distinguishing
6770 between INSN_LISTs and DEPS_LISTs.
6771 (find_list_elem, remove_list_elem, remove_list_node): New static
6773 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6774 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6775 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6776 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6778 (free_INSN_LIST_node): Likewise.
6779 * modulo-sched.c (current_sched_info): Initialize flags field.
6780 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6781 * rtl.def (DEPS_LIST): Define.
6782 * rtl.h: Declare new functions from lists.c.
6783 * sched-deps.c (spec_dependency_cache): New static variable.
6784 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6785 (add_dependence): Change return type to void. Move the logic to ...
6786 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6787 (delete_all_dependences): Add comment about forward_dependency_cache.
6788 Handle spec_dependency_cache. Handle DEPS_LISTs.
6789 (fixup_sched_groups): Clarify the change of priority of output
6790 and anti dependencies.
6791 (sched_analyze_2): Adjust add_dependence calls to create data
6792 speculative dependence.
6793 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6794 Adjust all callers. Handle DEPS_LISTS.
6795 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6796 presence of speculation.
6797 (init_dependency_caches, free_dependency_caches):
6798 Handle spec_dependency_cache.
6799 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6800 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6801 New static functions.
6802 (add_or_update_back_dep, add_or_update_back_forw_dep,
6803 add_back_forw_dep, delete_back_forw_dep): New functions.
6804 * sched-int.h (ds_t, dw_t): New typedefs.
6805 (struct sched_info): Add new field flags.
6806 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6807 Prototype new sched-deps.c functions.
6808 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6809 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6810 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6811 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6812 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6813 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6815 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6817 * sched-rgn.c (current_sched_info): Initialize flags field.
6818 (schedule_insns): Initialize current_sched_info before the sched_init
6820 * sched-ebb.c (current_sched_info): Initialize flags field.
6821 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6822 Call add_or_update_back_dep instead of add_dependence.
6823 Create control speculative dependencies.
6824 (schedule_insns): Initialize current_sched_info before the sched_init
6827 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6829 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6831 (sh_fallback_frame_state): Likewise.
6833 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6835 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6836 Do switch on default_use_cxa_atexit.
6837 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6838 * config/darwin-crt3.o: New.
6839 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6840 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6841 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6843 * config/rs6000/t-darwin: Move crt2.o building to here.
6844 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6845 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6848 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6850 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6851 from '! xxx' to '!xxx' for coding-style conformance.
6852 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6853 (EXTRA_CONSTRAINT): Likewise.
6854 * config/vax/vax.md (four unnamed insns): Likewise.
6856 2006-03-15 Paul Brook <paul@codesourcery.com>
6858 * config/arm/arm.c (minipool_pad): New.
6859 (add_minipool_forward_ref): Include pool alignment padding in address
6861 (push_minipool_fix): Set minipool_pad.
6862 (minipool_pad): Ditto.
6864 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6866 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6867 instead of GET_CODE() == MEM and REG_P() instead of
6869 (print_operand_address): Likewise.
6870 (vax_address_cost): Likewise.
6871 (vax_rtx_costs): Likewise.
6872 (vax_notice_update_cc): Likewise.
6873 (vax_output_int_add): Likewise.
6874 (INDEX_REGISTER_P): Likewise.
6875 (BASE_REGISTER_P): Likewise.
6876 (nonindexed_address_p): Likewise.
6877 (vax_mode_dependent_address_p): Likewise.
6878 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6879 (PRINT_OPERAND): Likewise.
6880 * config/vax/vax.md (ashlsi3): Likewise.
6881 (ashlsi3): Likewise.
6882 (some more unnamed insns): Likewise.
6884 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6886 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6887 iterator-style macro.
6888 (mark_control_dependent_edges_necessary): Update the use of
6889 EXECUTE_IF_CONTROL_DEPENDENT.
6891 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6893 * config/sh/predicates.md (cache_address_operand): Special.
6894 (ua_address_operand): Likewise.
6896 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6898 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6900 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6902 2006-03-15 Andreas Schwab <schwab@suse.de>
6904 * gensupport.c (identify_predicable_attribute): Don't free p_false
6905 when it is still in use.
6907 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6909 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6910 the default setting here.
6912 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6914 * tree-pass.h (pass_cfg): Remove.
6915 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6916 * passes.c (pass_cfg): Don't run it.
6918 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6920 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6921 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6923 (stack_regs_mentioned): Update the uses of
6924 stack_regs_mentioned_data. Don't access the array beyond its
6926 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6927 Don't include gt-reg-stack.h.
6929 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6930 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6932 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6935 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6938 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6940 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6942 2006-03-14 Richard Guenther <rguenther@suse.de>
6944 PR tree-optimization/26672
6945 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6948 2006-03-14 Richard Guenther <rguenther@suse.de>
6950 PR tree-optimization/26667
6951 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6952 node for the callees. Always allow inlining if it will shrink
6955 2006-03-14 Richard Guenther <rguenther@suse.de>
6958 * builtins.c (get_pointer_alignment): Prefer alignment
6959 information from decls over that from types.
6961 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6964 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6966 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6968 * config/rs6000/rs6000.opt (mdlmzb): New option.
6969 (msched-prolog, msched-epilog): Use Var not Mask.
6970 * doc/invoke.texi (-mdlmzb): Document.
6971 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6973 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6974 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6976 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6978 PR rtl-optimization/25739
6979 * bt-load.c (augment_live_range): Free tos pointer.
6981 * gensupport.c (identify_predicable_attribute): Free
6983 * gcov.c (create_file_names): Free name pointer.
6985 2006-03-13 Roger Sayle <roger@eyesopen.com>
6988 * stmt.c (emit_case_nodes): Handle the case where the index is a
6989 CONST_INT, where the comparison mode is specified by the index type.
6991 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6993 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6996 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6998 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6999 (*branch_fp_inverted): Likewise.
7001 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7004 * omp-low.c (expand_omp_for_generic): Mark istart0
7005 and iend0 as addressable.
7007 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7009 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7011 2006-03-13 Jeff Law <law@redhat.com>
7013 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7014 virtual operands are interesting.
7015 (vrp_visit_stmt): Corresponding changes.
7017 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7019 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7021 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7022 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7023 * config/bfin/crti.S: Use it instead of __PIC__.
7024 * config/bfin/crtn.S: Likewise.
7026 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7027 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7029 Lose 'G' modifier for call operand.
7030 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7031 recognize 'G' modifier.
7033 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7036 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7037 * stmt.c (expand_case): Likewise.
7039 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7041 PR rtl-optimization/26254
7042 * loop-invariant.c (seq_insns_valid_p): New function.
7043 (move_invariant_reg): Only emit new code if it is valid.
7045 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7047 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7049 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7050 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7051 (commit_one_edge_insertion): Do not look for loop notes.
7053 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7055 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7056 flag_test_coverage out of loop.
7058 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7060 * final.c (shorten_branches): Remove outdated comment, and turn
7061 the if branch that guards it to continue.
7063 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7065 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7066 * cfgloop.h (struct loop): Remove unused fields.
7068 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7070 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7071 (-dL, -fdump-rtl-loop2): Update the dump file names
7073 * doc/invoke.texi: Update dump file names.
7075 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7077 * predict.c (estimate_probability): Remove.
7078 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7079 * basic-block.h (estimate_probability): Remove prototype.
7080 * passes.c (finish_optimization_passes): Dump branch prediction or
7081 profiling heuristics to the .profile tree dump.
7082 (init_optimization_passes): Unqueue pass_branch_prob.
7084 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7086 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7088 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7089 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7091 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7093 * function.h (frame_offset_overflow): Declare.
7094 * function.c (frame_offset_overflow): New function.
7095 (assign_stack_local_1): Call it to detect that the offset overflows.
7096 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7098 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7100 * config/sh/sh.c: Include alloc-pool.h.
7101 (label_ref_list_pool): New alloc pool.
7102 (label_ref_list_t): New type for lists of labels.
7103 (struct pool_node): Make wend a label_ref_list_t.
7104 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7106 (dump_table): Likewise.
7107 (sh_reorg): Set up the alloc pool before using add_constant and
7108 dump_table, and destroy it when finishing.
7110 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7112 * config/mips/mips.c: Remove redundant comment.
7114 2006-03-10 Jason Merrill <jason@redhat.com>
7117 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7118 the target was declared 'register'.
7120 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7122 * genpreds.c (write_insn_constraint_len): Change definition of
7123 insn_constraint_len to return size_t to match the declaration.
7125 2006-03-10 DJ Delorie <dj@redhat.com>
7127 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7129 (m32c_expand_insv): Fix test for an AND mask.
7131 2006-03-10 Richard Guenther <rguenther@suse.de>
7134 * builtins.c (get_pointer_alignment): Handle component
7135 references for field alignment.
7137 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7139 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7140 when building with libgloss.
7141 (sh*elf): Implement --without-fp option.
7142 (sh64-superh-linux*): Don't multilib.
7144 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7146 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7148 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7150 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7151 Set it when one of the replacement functions returned true.
7152 Return TODO_cleanup_cfg if cfgchanged is true.
7153 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7155 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7157 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7158 instead of gen_lowpart.
7160 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7162 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7164 (mips_output_order_conditional_branch): Declare.
7165 * config/mips/mips.h (MIPS_BRANCH): New macro.
7166 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7167 for the comparison. Use gen_condjump.
7168 (mips_output_conditional_branch): Rework interface to take the
7169 asm templates for a direct branch and the inverse of a direct branch.
7170 (mips_output_order_conditional_branch): New function.
7171 (mips_builtin_branch_and_move): New function.
7172 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7173 branch condition. Use gen_single_cc as the condition for
7174 __builtin_mips_upper_* or __builtin_mips_lower_*.
7175 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7176 Use VOIDmode for the branch condition.
7177 * config/mips/predicates.md (order_operator): New predicate.
7178 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7179 (branch_fp): Rename to...
7180 (*branch_fp): ...this. Remove mode from comparison operator.
7181 Use new mips_output_conditional_branch interface.
7182 (branch_fp_inverted): Rename to...
7183 (*branch_fp_inverted): ...this and update as for *branch_fp.
7184 (*branch_zero<mode>): Rename to...
7185 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7186 Use mips_output_order_conditional_branch. Only accept ordered
7188 (*branch_zero<mode>_inverted): Rename to...
7189 (*branch_order<mode>_inverted): ...this and update as for
7190 *branch_order<mode>.
7191 (*branch_equality<mode>): Accept zero as the second operand to
7192 the equality operator. Use the new mips_output_conditional_branch
7194 (*branch_equality<mode>_inverted): Likewise.
7195 (condjump): New expander.
7196 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7198 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7199 (bc1any2t, bc1any2f): Likewise.
7200 (single_cc): New expander.
7201 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7203 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7205 * doc/md.texi: Update documentation of MIPS constraints.
7206 * config/mips/constraints.md: New file.
7207 * config/mips/mips.md: Include it.
7208 * config/mips/mips.c (mips_char_to_class): Delete.
7209 (override_options): Don't initialize mips_char_to_class.
7210 * config/mips/mips.h (mips_char_to_class): Delete.
7211 (REG_CLASS_FROM_LETTER): Delete.
7212 (CONST_OK_FOR_LETTER_P): Delete.
7213 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7214 (EXTRA_CONSTRAINT_Y): Delete.
7215 (EXTRA_CONSTRAINT_STR): Delete.
7216 (CONSTRAINT_LEN): Delete.
7217 (EXTRA_MEMORY_CONSTRAINT): Delete.
7219 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7221 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7222 original fn's eh regions.
7224 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7226 * fold-const.c (build_range_check): Make sure to use a valid type to
7227 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7230 (range_predecessor): New static function.
7231 (range_successor): Likewise.
7232 (merge_ranges): Use them to compute predecessors and successors of
7235 2006-03-09 Roger Sayle <roger@eyesopen.com>
7238 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7239 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7241 2006-03-08 DJ Delorie <dj@redhat.com>
7243 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7244 (addpsi3): Expand to include memory operands. Remove
7245 reload-specific splits.
7246 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7247 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7248 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7249 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7250 (shift1_qi, shift1_hi, insv): New.
7251 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7252 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7253 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7255 * config/m32c/m32c-protos.h: Update as needed.
7256 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7257 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7258 Fail for unrecognized R* constraints.
7259 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7260 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7261 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7263 (m32c_init_libfuncs): New.
7264 (m32c_legitimate_address_p): Add debug wrapper.
7265 (m32c_rtx_costs): New.
7266 (m32c_address_cost): New.
7267 (conversions): Add 'B' prefix.
7268 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7269 operands, or word regnames for QI operands. 'B' prints bit
7271 (m32c_expand_setmemhi): New.
7272 (m32c_expand_movmemhi): New.
7273 (m32c_expand_movstr): New.
7274 (m32c_expand_cmpstr): New.
7275 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7276 (m32c_expand_neg_mulpsi3): Handle non-ints.
7277 (m32c_cmp_flg_0): New.
7278 (m32c_expand_movcc): New.
7279 (m32c_expand_insv): New.
7280 (m32c_scc_pattern): New.
7281 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7282 a0/a1 out of SIregs.
7283 (STORE_FLAG_VALUE): New.
7284 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7287 * config/m32c/mov.md: Make constraints more liberal.
7288 (zero_extendqihi2): Optimize r0/r1 case.
7289 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7290 * config/m32c/predicates.md (m32c_any_operand): New.
7291 (m32c_nonimmediate_operand): New.
7292 (m32c_hl_operand): New.
7293 (m32c_r3_operand): New.
7296 (memsym_operand): New.
7297 (memimmed_operand): New.
7298 (a_qi_operand): New.
7299 (m32c_eqne_operator): New.
7300 (m32c_1bit8_operand): New.
7301 (m32c_1bit16_operand): New.
7302 (m32c_1mask8_operand): New.
7303 (m32c_1mask16_operand): New.
7304 * config/m32c/blkmov.md: New file.
7305 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7307 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7309 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7310 unsigned to fix signed/unsigned comparison issue in
7311 DWARF2_FRAME_REG_OUT.
7312 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7313 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7315 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7316 of ptr into the ENABLE_CHECKING section.
7318 2006-03-08 Jeff Law <law@redhat.com>
7320 * tree-vrp.c (infer_value_range): Only count pointer uses
7321 and dereferences if -fdelete-null-pointer-checks is enabled.
7323 * tree-vrp.c (find_assert_locations): Infer value ranges for
7324 single use pointers, but do not create ASSERT_EXPRs for them.
7325 When a non-null range is inferred for a pointer, backwards
7326 propagate that range to other equivalent pointers through the
7329 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7332 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7333 language hook targets.
7334 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7335 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7336 if language hook targets were missing.
7338 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7340 * tree-ssa-opfinalize.h: Removed.
7341 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7343 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7344 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7345 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7346 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7347 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7348 finalize_ssa_v_must_def_ops): New.
7350 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7352 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7355 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7357 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7359 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7360 addresses with offsets; reorganize.
7362 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7363 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7364 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7366 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7369 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7371 2006-03-08 Ben Elliston <bje@au.ibm.com>
7373 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7375 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7378 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7381 2006-03-07 Richard Guenther <rguenther@suse.de>
7383 PR tree-optimization/26587
7384 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7386 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7388 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7390 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7392 * hooks.c (hook_bool_mode_rtx_true): New function.
7393 * hooks.h (hook_bool_mode_rtx_true): Declare.
7394 * toplev.c (compile_file): Call output_shared_constant_pool.
7395 * varasm.c (shared_constant_pool): New variable.
7396 (assemble_start_function, assemble_end_function): Remove arguments
7397 from call to output_constant_pool.
7398 (create_constant_pool): New function, split out from...
7399 (init_varasm_status): ...here.
7400 (force_const_mem): Choose between the shared and per-function constant
7401 pools. Set current_function_uses_const_pool when reusing old entries
7402 as well as when creating new ones.
7403 (mark_constant): Ignore data argument.
7404 (mark_constants): Remove pool argument.
7405 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7406 to decide whether the function uses a constant pool.
7407 (output_constant_pool_contents): New function, split out from...
7408 (output_constant_pool): ...here.
7409 (output_shared_constant_pool): New function.
7410 (init_varasm_once): Initialize shared_constant_pool.
7411 * output.h (output_constant_pool): Delete.
7412 (output_shared_constant_pool): Declare.
7413 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7414 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7416 2006-03-06 Nick Clifton <nickc@redhat.com>
7418 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7419 flag_strength_reduce.
7421 2006-03-06 Ben Elliston <bje@au.ibm.com>
7423 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7424 x86_64-*-linux* configurations.
7426 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7427 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7429 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7431 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7433 * basic-block.h: Remove the extern for
7434 rediscover_loops_after_threading.
7436 * cfgloop.c (cancel_loop): Make it static.
7437 * cfgloop.h: Remove the prototype for cancel_loop.
7439 * flow.c (recompute_reg_usage): Make it static.
7440 * rtl.h: Remove the prototype for recompute_reg_usage.
7442 * function.c (use_return_register): Make it static.
7443 * function.h: Remove the prototype.
7445 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7447 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7449 * recog.h: Remove the prototype for
7450 validate_change_maybe_volatile.
7452 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7454 * rtlanal.c (replace_reg): Remove.
7455 * rtl.h: Remove the prototype for replace_reg.
7457 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7459 * regclass.c (reg_scan_update): Remove.
7460 (reg_scan_mark_refs): Remove the last argument.
7461 * rtl.h: Remove the prototype for reg_scan_update.
7463 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7465 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7466 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7467 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7468 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7469 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7470 loop-invariant.c, omp-low.c, opts.c, passes.c,
7471 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7472 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7473 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7474 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7475 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7476 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7478 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7480 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7481 * dwarf2out.h: Remove the prototype for
7482 dwarf2out_add_library_unit_info.
7484 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7486 * tree.c (add_var_to_bind_expr): Remove.
7487 * tree.h: Remove the prototype for add_var_to_bind_expr.
7489 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7491 * regclass.c (n_non_fixed_regs): Remove.
7492 (init_reg_sets_1, globalize_reg): Remove all uses of
7494 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7496 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7498 * rtlanal.c (insns_safe_to_move_p): Remove.
7499 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7501 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7503 * expmed.c (expand_mult_add): Remove.
7504 * expr.h: Remove the prototype for expand_mult_add.
7506 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7508 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7509 and REG_SAVED_VAL_EXP constants.
7510 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7511 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7512 Handle regs stored by value.
7513 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7514 (execute_cfa_program): Handle DW_CFA_val_offset,
7515 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7516 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7517 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7518 (uw_install_context_1): Handle target regs stored by value.
7520 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7522 * tree-sra.c (tree_sra): Return todoflags;
7523 (generate_one_element): Set TODO_update_smt_usage if needed.
7524 (pass_sra): Remove TODO_update_smt_usage.
7525 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7527 (tree_ssa_forward_propagate_single_use_vars): Return
7528 TODO_update_smt_usage if we need to update SMT usage.
7529 (pass_forwprop): Remove TODO_update_smt_usage.
7531 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7533 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7534 (correct_use_link): Remove reference to get_stmt_operands.
7535 (update_stmt_operands): Likewise.
7536 (get_modify_expr_operands): New function factored out of
7537 parse_ssa_operands and get_expr_operands.
7538 Try to create V_MUST_DEFs for LHS by default.
7539 (get_expr_operands) <case MODIFY_EXPR>: Call
7540 get_modify_expr_operands.
7541 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7542 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7543 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7544 get_modify_expr_operands.
7546 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7548 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7549 * tree-flow.h: Remove the prototype for
7550 referenced_var_lookup_if_exists.
7552 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7554 PR rtl-optimization/26345
7556 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7558 2006-03-03 Roger Sayle <roger@eyesopen.com>
7560 PR tree-optimization/26524
7561 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7562 fold_convert to create a constant of the appropriate type.
7564 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7566 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7567 SYMBOL_REF_IN_BLOCK_P.
7568 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7569 of SYMBOL_FLAG_IN_BLOCK.
7570 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7571 instead of SYMBOL_REF_IN_BLOCK_P.
7572 * explow.c (use_anchored_address): Likewise.
7573 * rtl.c (rtx_size): Likewise.
7574 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7575 instead of SYMBOL_FLAG_IN_BLOCK.
7576 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7577 SYMBOL_REF_IN_BLOCK_P.
7578 (assemble_variable): Likewise.
7579 (output_constant_def_contents): Likewise.
7580 (output_constant_pool): Likewise.
7581 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7582 instead of SYMBOL_FLAG_IN_BLOCK.
7583 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7584 SYMBOL_REF_IN_BLOCK_P.
7585 (SYMBOL_REF_BLOCK): Likewise.
7586 (SYMBOL_REF_OFFSET): Likewise.
7587 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7588 SYMBOL_REF_IN_BLOCK_P.
7589 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7590 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7591 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7592 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7594 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7596 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7598 2006-03-02 Roger Sayle <roger@eyesopen.com>
7600 * simplify-rtx.c (simplify_unary_operation): When simplifying
7601 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7602 that we perform the right shift in the appropriate mode, and
7603 then extend or truncate the result to requested mode.
7605 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7607 * gengtype.c (main): Handle double_int type.
7608 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7609 * double-int.c: New file.
7610 * double-int.h: New file.
7611 * system.h: Include doubleint.h.
7612 * Makefile.in (SYSTEM_H): Include double-int.h.
7613 (double-int.o): Add.
7615 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7618 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7621 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7623 * tree-vrp.c (remove_range_assertions): Do not update statements
7626 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7628 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7630 * gcse.c (rest_of_handle_gcse): Ditto.
7631 * except.c (gate_handle_eh): Ditto.
7632 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7633 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7635 2006-03-02 Eric Christopher <echristo@apple.com>
7637 * config/i386/i386.c (machopic_output_stub): Add indirection to
7640 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7644 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7646 Sun Niagara specific optimizations.
7647 * config.gcc: Recognize niagara as target.
7648 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7649 (TARGET_CPU_niagara): Define.
7650 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7651 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7652 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7653 (ASM_CPU_SPEC): Likewise.
7654 (PROCESSOR_NIAGARA): New enum entry.
7655 (REGISTER_MOVE_COST): Handle Niagara.
7656 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7657 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7658 (sparc_override_options): Recognize "niagara", set appropriate
7659 default MASK_* values for it, and align functions to 32-bytes
7660 by default just like ULTRASPARC/ULTRASPARC3.
7661 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7662 (sparc64_initialize_trampoline): Likewise.
7663 (sparc_use_sched_lookahead): Use zero for niagara.
7664 (sparc_issue_rate): Use one for niagara.
7665 * config/sparc/niagara.md: New file.
7666 * config/sparc/sparc.md: Include it.
7667 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7668 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7669 when default cpu is niagara.
7670 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7671 (ASM_CPU_SPEC): Likewise.
7672 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7673 when default cpu is niagara.
7674 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7675 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7676 just like v9/ultrasparc/ultrasparc3.
7677 * doc/invoke.texi: Add documentation for "niagara" and improve
7678 existing documentation for ultrasparc variants.
7680 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7682 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7684 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7686 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7687 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7688 and say that only one is needed.
7689 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7690 * target.h (have_switchable_bss_sections): New hook.
7691 * explow.c (use_anchored_address): Check that the symbol is in a block.
7692 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7693 (bss_noswitch_section): New variables.
7694 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7695 (get_noswitch_section): New function.
7696 (get_block_for_section): Allow SECT to be null.
7697 (unlikely_text_section_p): Use SECTION_STYLE.
7698 (bss_initializer_p): New function.
7699 (get_variable_section): Move earlier in file. Take a new argument,
7700 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7701 Return one of the new *_sections in such cases.
7702 (get_block_for_decl): New function, extracting some logic from
7703 use_blocks_for_decl_p.
7704 (change_symbol_section): Remove in favor of...
7705 (change_symbol_block): ...this new function.
7706 (use_blocks_for_decl_p): Remove checks now performed by
7708 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7709 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7710 (emit_local, emit_bss, emit_common): ...these new functions.
7711 Return true if the alignment was honored.
7712 (emit_tls_common): New function.
7713 (asm_emit_uninitialised): Delete.
7714 (assemble_variable_noswitch): New function, split out from...
7715 (assemble_variable): ...here. Don't make decisions about common
7716 variables here. Globalize all public decls that go into non-common
7717 sections. Check whether SYMBOL_REF_BLOCK is null.
7718 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7719 (output_constant_pool): Likewise.
7720 (init_varasm_once): Initialize the new section variables.
7721 (have_global_bss_p): New function.
7722 (categorize_decl_for_section): Use bss_initializer_p.
7723 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7724 (place_block_symbol): Assert that the symbol must be in a block.
7725 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7726 (TARGET_INITIALIZER): Include it.
7727 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7728 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7729 (SECTION_MACH_DEP): Bump by two.
7730 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7731 (unnamed_section): Mention SECTION_UNNAMED in comment.
7732 (named_section): Likewise SECTION_NAMED.
7733 (noswitch_section_callback): New type.
7734 (noswitch_section): New structure.
7735 (section): Add a noswitch_section alternative.
7736 (SECTION_STYLE): New macro.
7737 (tls_comm_section, comm_section, lcomm_section): Declare.
7738 (bss_noswitch_section, have_global_bss_p): Declare.
7739 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7740 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7742 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7743 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7746 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7748 * tree-vrp.c (execute_vrp): Return value.
7749 * regrename.c (rest_of_handle_regrename): Ditto.
7750 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7751 * tree-complex.c (tree_lower_complex): Ditto.
7752 (tree_lower_complex_O0): Ditto.
7753 * tracer.c (rest_of_handle_tracer): Ditto.
7754 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7755 * postreload.c (rest_of_handle_postreload): Ditto.
7756 * tree-tailcall.c (execute_tail_recursion): Ditto.
7757 (execute_tail_calls): Ditto.
7758 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7759 * tree.h (init_function_for_compilation): Ditto.
7760 * ipa-cp.c (ipcp_driver): Ditto.
7761 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7762 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7763 * final.c (compute_alignments): Ditto.
7764 (rest_of_handle_final): Ditto.
7765 (rest_of_handle_shorten_branches): Ditto.
7766 (rest_of_clean_state): Ditto.
7767 * omp-low.c (execute_expand_omp): Ditto.
7768 (execute_lower_omp): Ditto.
7769 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7770 * ipa-reference.c (static_execute): Ditto.
7771 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7772 * reorg.c (rest_of_handle_delay_slots): Ditto.
7773 (rest_of_handle_machine_reorg): Ditto.
7774 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7775 * flow.c (recompute_reg_usage): Ditto.
7776 (rest_of_handle_remove_death_notes): Ditto.
7777 (rest_of_handle_life): Ditto.
7778 (rest_of_handle_flow2): Ditto.
7779 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7780 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7781 (do_ssa_store_ccp): Ditto.
7782 (execute_fold_all_builtins): Ditto.
7783 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7784 * modulo-sched.c (rest_of_handle_sms): Ditto.
7785 * ipa-pure-const.c (static_execute): Ditto.
7786 * cse.c (rest_of_handle_cse): Ditto.
7787 (rest_of_handle_cse2): Ditto.
7788 * web.c (rest_of_handle_web): Ditto.
7789 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7790 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7791 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7792 * tree-nrv.c (tree_nrv): Ditto.
7793 (execute_return_slot_opt): Ditto.
7794 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7795 (create_structure_vars): Ditto.
7796 * loop-init.c (rtl_loop_init): Ditto.
7797 (rtl_loop_done): Ditto.
7798 (rtl_move_loop_invariants): Ditto.
7799 (rtl_unswitch): Ditto.
7800 (rtl_unroll_and_peel_loops): Ditto.
7801 (rtl_doloop): Ditto.
7802 * gimple-low.c (lower_function_body): Ditto.
7803 (mark_used_blocks): Ditto.
7804 * tree-ssa-sink.c (execute_sink_code): Ditto.
7805 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7806 (cgraph_early_inlining): Ditto.
7807 * global.c (rest_of_handle_global_alloc): Ditto.
7808 * jump.c (cleanup_barriers): Ditto.
7809 (purge_line_number_notes): Ditto.
7810 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7811 (rest_of_handle_if_after_reload): Ditto.
7812 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7813 (tree_ssa_loop_im): Ditto.
7814 (tree_ssa_loop_unswitch): Ditto.
7815 (tree_vectorize): Ditto.
7816 (tree_linear_transform): Ditto.
7817 (tree_ssa_loop_ivcanon): Ditto.
7818 (tree_ssa_empty_loop): Ditto.
7819 (tree_ssa_loop_bounds): Ditto.
7820 (tree_complete_unroll): Ditto.
7821 (tree_ssa_loop_prefetch): Ditto.
7822 (tree_ssa_loop_ivopts): Ditto.
7823 (tree_ssa_loop_done): Ditto.
7824 * predict.c (tree_estimate_probability): Ditto.
7825 * recog.c (split_all_insns_noflow): Ditto.
7826 (rest_of_handle_peephole2): Ditto.
7827 (rest_of_handle_split_all_insns): Ditto.
7828 * tree-eh.c (lower_eh_constructs): Ditto.
7829 * regmove.c (rest_of_handle_regmove): Ditto.
7830 (rest_of_handle_stack_adjustments): Ditto.
7831 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7832 * function.c (instantiate_virtual_regs): Ditto.
7833 (init_function_for_compilation): Ditto.
7834 (rest_of_handle_check_leaf_regs): Ditto.
7835 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7836 (rest_of_handle_gcse): Ditto.
7837 * ipa-type-escape.c (type_escape_execute): Ditto.
7838 * alias.c (rest_of_handle_cfg): Ditto.
7839 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7840 * profile.c (rest_of_handle_branch_prob): Ditto.
7841 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7842 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7843 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7844 * tree-dfa.c (find_referenced_vars): Ditto.
7845 * except.c (set_nothrow_function_flags): Ditto.
7846 (convert_to_eh_region_ranges): Ditto.
7847 (rest_of_handle_eh): Ditto.
7848 * emit-rtl.c (unshare_all_rtl): Ditto.
7849 (remove_unnecessary_notes): Ditto.
7850 * except.h (set_nothrow_function_flags): Ditto.
7851 (convert_to_eh_region_ranges): Ditto.
7852 * cfgexpand.c (tree_expand_cfg): Ditto.
7853 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7854 * tree-ssa-pre.c (do_pre): Ditto.
7855 (execute_fre): Ditto.
7856 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7857 (rest_of_handle_jump2): Ditto.
7858 * tree-sra.c (tree_sra): Ditto.
7859 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7860 (execute_mudflap_function_decls): Ditto.
7861 * tree-ssa-copy.c (do_copy_prop): Ditto.
7862 (do_store_copy_prop): Ditto.
7863 * ipa-prop.h (ipcp_driver): Ditto.
7864 * cfglayout.c (insn_locators_initialize): Ditto.
7865 * tree-ssa-forwprop.c
7866 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7867 * cfglayout.h (insn_locators_initialize): Ditto.
7868 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7869 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7870 (execute_late_warn_uninitialized): Ditto.
7871 * rtl.h (cleanup_barriers): Ditto.
7872 (split_all_insns_noflow): Ditto.
7873 (purge_line_number_notes): Ditto.
7874 (unshare_all_rtl): Ditto.
7875 (remove_unnecessary_notes): Ditto.
7876 (recompute_reg_usage): Ditto.
7877 (variable_tracking_main): Ditto.
7878 * integrate.c (emit_initial_value_sets): Ditto.
7879 * integrate.h (emit_initial_value_sets): Ditto.
7880 * tree-optimize.c (execute_free_datastructures): Ditto
7881 (execute_free_cfg_annotations): Ditto.
7882 (execute_fixup_cfg): Ditto.
7883 (execute_cleanup_cfg_pre_ipa): Ditto.
7884 (execute_cleanup_cfg_post_optimizing): Ditto.
7885 (execute_init_datastructures): Ditto.
7886 * tree-object-size.c (compute_object_sizes): Ditto.
7887 * combine.c (rest_of_handle_combine): Ditto.
7888 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7889 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7890 (rest_of_handle_reorder_blocks): Ditto.
7891 (rest_of_handle_partition_blocks): Ditto.
7892 * var-tracking.c (variable_tracking_main): Ditto.
7893 * tree-profile.c (tree_profiling): Ditto.
7894 * tree-vect-generic.c (expand_vector_operations): Ditto.
7895 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7896 * sched-rgn.c (rest_of_handle_sched): Ditto.
7897 (rest_of_handle_sched2): Ditto.
7898 * basic-block.h (free_bb_insn): Ditto.
7899 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7900 * tree-cfg.c (execute_build_cfg): Ditto.
7901 (remove_useless_stmts): Ditto.
7902 (split_critical_edges): Ditto.
7903 (execute_warn_function_return): Ditto.
7904 (execute_warn_function_noreturn): Ditto.
7905 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7906 * cfgrtl.c (free_bb_for_insn): Ditto.
7907 * passes.c (execute_one_pass): Run additional
7908 todos returned by execute function.
7909 * tree-pass.h (struct tree_opt_pass): Make execute
7912 2006-03-02 Richard Guenther <rguenther@suse.de>
7914 * tree-ssa-alias.c (find_used_portions): Consider taking
7915 the address as making the variable not write-only.
7917 2006-03-02 Nick Clifton <nickc@redhat.com>
7919 * config.gcc (default_use_cxa_atexit): Extend the description of
7920 this configure variable. Set its default value to "yes" for
7921 Linux, NetBSD and ELF targets on the assumption that they will
7922 use C libraries with the __cxa_atexit function.
7924 2006-03-02 Ben Elliston <bje@au.ibm.com>
7926 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7927 parameter as unused to suppress a build warning.
7929 2006-03-02 Ben Elliston <bje@au.ibm.com>
7931 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7934 2006-03-01 Roger Sayle <roger@eyesopen.com>
7937 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7938 declared name, the weak reference name, and the typeof name.
7939 (__gthrw): Avoid expanding the declared name suffix.
7940 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7942 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7944 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7946 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7947 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7948 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7949 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7950 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7951 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7952 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7953 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7954 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7955 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7956 (DW_END_default, DW_END_big, DW_END_little): New.
7957 (DW_END_lo_user, DW_END_hi_user): Define.
7958 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7959 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7960 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7963 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7965 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7967 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7969 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7971 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7973 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7974 to 'symbol_mem_tag'.
7976 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7979 2006-03-01 Roger Sayle <roger@eyesopen.com>
7981 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7983 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7986 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7987 MACHO_DYNAMIC_NO_PIC_P.
7988 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7990 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7993 * config/darwin-protos.h (darwin_asm_output_anchor):
7995 * config/darwin-sections.def (cstring_section):
7996 Add SECTION_MERGE to the flags.
7997 (literal4_section): Likewise.
7998 (literal8_section): Likewise.
7999 (objc_selector_refs_section): Likewise.
8000 (objc_cls_refs_section): Likewise.
8001 * config/darwin.c (darwin_asm_output_anchor): New
8003 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8005 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8007 Fix PR tree-optimization/26443
8008 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8009 to todo and PROP_tmt_usage to properties_destroyed.
8010 * tree-ssa-ccp.c (pass_ccp): Ditto.
8011 (pass_store_ccp): Ditto.
8012 * tree-ssa-dom.c (pass_dominator): Ditto.
8014 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8016 * tree-ssa-operands.c: Cleanup whitespace.
8017 (get_asm_expr_operands): Move before first invocation.
8018 (get_indirect_ref_operands): Likewise.
8019 (get_tmr_operands): Likewise.
8020 (get_call_expr_operands): Likewise.
8021 (append_def): Likewise.
8022 (append_use): Likewise.
8023 (append_v_may_def): Likewise.
8024 (append_v_must_def): Likewise.
8025 (add_call_clobber_ops): Likewise.
8026 (add_call_read_ops): Likewise.
8027 (add_stmt_operand): Likewise.
8028 (add_virtual_operand): Likewise.
8029 (build_ssa_operands): Likewise.
8031 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8036 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8037 with a call expr to ...
8038 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8040 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8042 * tree-vrp.c (extract_range_from_assert): Remove special
8043 handling for types with super-types.
8045 2006-03-01 Ben Elliston <bje@au.ibm.com>
8047 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8048 and powerpc64-*-linux* configurations.
8049 * config/t-dfprules: New file.
8051 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8052 Compile dfp-bit.c from the source directory using -DWIDTH and
8053 $DFP_CFLAGS to control the compilation of that file, rather than
8054 generating width-specific versions in the build directory.
8055 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8056 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8058 2006-02-28 Zack Weinberg <zackw@panix.com>
8060 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8063 2006-02-28 Eric Christopher <echristo@apple.com>
8065 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8066 Set up IN_LIBGCC definition of TARGET_64BIT.
8067 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8069 2006-02-28 Roger Sayle <roger@eyesopen.com>
8072 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8073 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8074 cases via the construction of "expr != 0".
8076 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8078 * alias.c (alias_invariant, alias_invariant_size): Remove.
8079 (record_base_value): Remove.
8080 (memrefs_conflict_p): Don't look at alias_invariant.
8081 (end_alias_analysis): Don't free it.
8082 * alias.h (record_base_value): Remove prototype.
8084 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8085 Adam Nemet <anemet@caviumnetworks.com>
8087 * rtl.h (truncated_to_mode): Declare it.
8088 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8089 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8090 (RTL_HOOKS_INITIALIZER): Include it.
8091 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8092 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8093 reg_truncated_to_mode.
8094 * rtlanal.c (truncated_to_mode): Define it.
8095 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8097 2006-02-28 Jeff Law <law@redhat.com>
8099 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8100 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8101 the range allowed by TYPE_PRECISION.
8103 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8105 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8107 PR tree-optimization/26419
8108 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8111 2006-02-27 Zack Weinberg <zackw@panix.com>
8113 * doc/md.texi: Fix typo in previous change.
8115 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8119 2006-02-27 Zack Weinberg <zackw@panix.com>
8121 * rtl.def (define_constraint, define_register_constraint)
8122 (define_memory_constraint, define_address_constraint): New MD forms.
8123 * gensupport.c (process_rtx): Put define_constraint etc on the
8125 * genpreds.c (process_define_predicate): Adjust comment. Validate
8126 the name, and call validate_exp to validate the expression.
8127 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8128 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8129 all callers changed.
8130 (validate_exp, needs_variable, struct constraint_data)
8131 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8132 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8133 (const_dbl_constraints, constraint_max_namelen)
8134 (have_register_constraints, have_memory_constraints)
8135 (have_address_constraints, have_address_constraints)
8136 (have_extra_constraints, have_const_int_constraints)
8137 (have_const_dbl_constraints, mangle, add_constraint)
8138 (process_define_constraint, process_define_register_constraint)
8139 (write_enum_constraint_num, write_lookup_constraint)
8140 (write_insn_constraint_len, write_regclass_for_constraint)
8141 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8142 (write_insn_extra_memory_constraint)
8143 (write_insn_extra_address_constraint)
8144 (write_satisfies_constraint_fns): New.
8145 (write_tm_preds_h): If we have new-style constraint definitions,
8146 prototype the functions generated from them, and define the
8147 old constraint interface (still used by generic code) in terms of
8149 (write_insn_preds_c): If we have new-style constraint definitions,
8150 generate all relevant functions from those definitions.
8151 (main): Handle define_constraint etc.
8152 * genoutput.c (struct constraint_data, indep_constraints)
8153 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8154 (mdep_constraint_len): New data structures and functions, defined
8155 #ifdef USE_MD_CONSTRAINTS.
8156 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8157 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8158 use new logic to validate operand constraints against constraint
8160 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8162 * defaults.h: If none of the old-style constraint macros are
8163 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8164 old-style macros; and poison REG_CLASS_FROM_LETTER,
8165 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8167 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8168 * doc/md.texi: Document new constraint-definition mechanism and the
8169 C interface it provides. Remove references to old mechanism
8170 elsewhere in the document.
8171 (Machine Constraints): Use pathnames relative to gcc directory,
8172 i.e. config/ARCH/FILE. Change i386 section to refer to
8173 config/i386/predicates.md; update that section to match docstrings.
8174 * doc/tm.texi: Move all documentation of the old constraint-
8175 definition macros to their own section, clearly mark as obsolete.
8177 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8178 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8180 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8181 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8182 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8184 (splits and peepholes): Use satisfies_constraint_*.
8185 * config/i386/i386.c (memory_address_length)
8186 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8188 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8190 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8191 scalar operation to be put back into the loop.
8193 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8196 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8197 (extract_cie_info): Handle S flag in augmentation string.
8198 (execute_cfa_program): If context->signal_frame, execute also
8199 fs->pc == context->ra instructions.
8200 (uw_frame_state_for): If context->signal_frame, don't subtract one
8201 from context->ra to find FDE.
8202 (uw_update_context_1): Set context->signal_frame to
8204 (_Unwind_GetIPInfo): New function.
8205 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8206 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8208 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8209 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8210 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8211 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8212 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8213 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8214 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8215 x86_64_fallback_frame_state): Set fs->signal_frame.
8216 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8217 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8218 (frob_update_context): Likewise. Workaround missing S flag in
8219 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8220 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8221 Remove the psw_addr + 1 hack.
8223 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8225 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8226 with aggregates here.
8227 (find_func_aliases): Remove code for &<aggregate> from here.
8229 2006-02-26 Roger Sayle <roger@eyesopen.com>
8231 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8232 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8233 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8236 2006-02-26 Roger Sayle <roger@eyesopen.com>
8239 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8241 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8243 * opts.c (decode_options): Do not handle flag_strength_reduce.
8244 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8245 and OPT_fstrength_reduce.
8246 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8247 flag_prefetch_loop_arrays for being nonzero.
8248 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8250 (fprefetch-loop-arrays-rtl): Removed.
8251 (flag_prefetch_loop_arrays): Do not specify the value.
8253 * doc/passes.texi: Update documentation of loop optimizer
8255 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8256 -frerun-loop-opt): Remove.
8258 2006-02-26 Richard Guenther <rguenther@suse.de>
8260 PR tree-optimization/26421
8261 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8262 in function calls that are ADDR_EXPRs as using the whole structure.
8264 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8266 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8267 * tree-pass.h (pass_loop_optimize): Remove.
8268 * passes.c (pass_loop_optimize): Never run it.
8269 * toplev.c (backend_init): Don't call init_loop.
8270 * opts.c (flag_loop_optimize_set): Remove.
8271 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8272 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8273 the old RTL loop optimizer when profiling enabled.
8274 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8275 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8276 pre-headers for the sake of the old RTL loop optimizer.
8277 * Makefile.in: Remove all references to loop.o.
8279 * doc/invoke.texi: Remove all references to -floop-optimize
8280 and -frerun-loop-opt.
8282 2006-02-26 Zack Weinberg <zackw@panix.com>
8284 * doc/md.texi (Machine Constraints): Refer to all files with paths
8285 relative to gcc directory (i.e. config/CPU/file). Add missing
8286 @table @code ... @end table to M32C subsection.
8288 2006-02-26 Roger Sayle <roger@eyesopen.com>
8290 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8292 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8294 2006-02-26 Roger Sayle <roger@eyesopen.com>
8295 James A. Morrison <phython@gcc.gnu.org>
8298 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8299 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8300 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8301 signedness of the shift operation.
8303 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8305 PR tree-optimization/26359
8306 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8308 2006-02-25 Roger Sayle <roger@eyesopen.com>
8310 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8311 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8312 as X == 0, and some symmetry related transformations.
8313 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8315 2006-02-25 Roger Sayle <roger@eyesopen.com>
8318 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8319 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8320 symmetry related transformations. Fold (X^C1) == C2 as
8323 2006-02-25 Juergen Weigert <jw@suse.de>
8324 Richard Guenther <rguenther@suse.de>
8326 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8328 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8330 * combine.c (gen_lowpart_or_truncate): Call
8331 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8333 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8335 * doc/invoke.texi: Move -fopenmp description to "Options for
8337 Remove reference to -lgomp.
8339 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8341 * doc/install.texi: Require GNU tar version 1.14.
8343 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8345 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8346 * doc/invoke.texi (C++ Dialect Options): Document
8347 -fno-use-cxa-get-exception-ptr.
8348 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8349 * configure: Regenerate.
8350 * c.opt (fuse-cxa-get-exception-ptr): New.
8351 * c-opts.c (c_common_handle_option): Handle
8352 OPT_fuse_cxa_get_exception_ptr.
8353 * c-common.c (flag_use_cxa_atexit): Update documentation.
8354 (flag_use_cxa_get_exception_ptr): New.
8355 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8356 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8358 (C_COMMON_OVERRIDE_OPTIONS): New.
8360 2006-02-24 Roger Sayle <roger@eyesopen.com>
8363 * combine.c (try_combine): Explicitly check whether GET_CODE is
8364 a SET or a CLOBBER, instead on checking that it isn't a USE.
8366 2006-02-24 Roger Sayle <roger@eyesopen.com>
8368 * fold-const.c (fold_comparison): New subroutine of fold_binary
8369 containing transformations common to both the equality and
8370 ordering relational operators, factored out of fold_binary.
8371 (fold_binary): Separate out the equality operators (EQ_EXPR
8372 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8373 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8374 transformations common to both.
8375 (fold_div_compare): Fix latent bugs in the previously unreachable
8376 LT_EXPR and GE_EXPR cases.
8378 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8380 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8381 decl libname for clog to __clog on AIX.
8383 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8385 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8388 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8389 output traceback table for thunks. Localise rs6000_stack_info call.
8391 2006-02-23 Roger Sayle <roger@eyesopen.com>
8392 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8394 * gthr-posix.h (__gthrw): Fix typo in comment.
8396 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8398 * doc/cpp.texi (Character sets): Document that we do support
8399 input files to be in any character set.
8401 2006-02-23 Jeff Law <law@redhat.com>
8403 * tree.h (PHI_ARG_NONZERO): Remove.
8404 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8405 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8406 node to the new node.
8408 PR tree-optimization/26425
8409 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8410 min/max, then assume its varying.
8412 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8414 PR rtl-optimization/26316
8415 * rtlanal.c (enum may_trap_p_flags): New.
8416 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8417 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8418 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8419 (may_trap_after_code_motion_p): New function.
8420 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8421 (find_invariant_insn): Use may_trap_after_code_motion_p.
8422 * rtl.h (may_trap_after_code_motion_p): Declare.
8424 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8426 * emit-rtl.c (immed_double_const): Cleanup.
8428 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8430 Fix PR tree-optimization/26376
8431 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8434 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8437 * gimplify.c (omp_add_variable): Guard variable size decl test with
8438 DECL_SIZE (decl) check.
8440 2006-02-23 Richard Guenther <rguenther@suse.de>
8443 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8444 like aggregate types.
8446 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8448 * configure.ac: Add --with{,out}-long-double-128 configure option.
8449 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8450 * configure: Rebuilt.
8451 * config.in: Rebuilt.
8452 * doc/install.texi (Options specification): Document
8453 --with-long-double-128.
8455 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8456 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8457 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8458 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8460 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8462 * config/s390/s390.c (override_options): Handle
8463 TARGET_DEFAULT_LONG_DOUBLE_128.
8465 * config/alpha/alpha.c (override_options): Handle
8466 TARGET_DEFAULT_LONG_DOUBLE_128.
8468 * config/sparc/sparc.c (sparc_override_options): Handle
8469 TARGET_DEFAULT_LONG_DOUBLE_128.
8471 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8473 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8474 (real-install-headers-tar, real-install-headers-cpio)
8475 (real-install-headers-cp): New targets.
8477 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8479 * tree.h (variable_section): Delete.
8480 * varasm.c (variable_section): Delete.
8482 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8484 * install.texi: Add notes on install.texi2html.
8485 (Building in parallel): Do not use footnotes.
8487 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8490 * doc/install.texi (Configuration): Document --disable-libgomp.
8492 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8494 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8496 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8498 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8499 (vec_extractv2df_0_sse): New.
8501 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8503 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8504 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8505 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8506 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8507 to the result of the expression.
8508 (def_cfa_1): Adjust.
8509 (frame_pointer_cfa_offset): Rename to...
8510 (frame_pointer_fb_offset): ... this. Adjust all uses.
8511 (convert_cfa_to_loc_list): Rename to...
8512 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8513 Pass it on to build_cfa_loc.
8514 (compute_frame_pointer_to_cfa_displacement): Rename to...
8515 (compute_frame_pointer_to_fb_displacement): ... this. New
8516 offset parameter. Use it in computation.
8517 (gen_subprogram_die): Compute cfa_fb_offset with the new
8518 macro, and use it to compute the fb loc list and the
8521 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8523 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8524 replaced with register_operand.
8525 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8526 non-DREG is expensive.
8527 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8528 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8531 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8533 * doc/install.texi2html: Use set -e.
8535 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8537 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8538 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8539 * doc/invoke.texi (-fshared-data): Delete.
8540 * common.opt (fshared-data): Delete.
8541 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8542 (assemble_static_space): Remove #if 0 code.
8543 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8544 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8545 * config/cris/cris.h: Remove FIXME.
8547 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8549 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8552 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8555 * combine.c (simplify_shift_const_1): Disable nested shifts
8556 optimization for vector shifts.
8558 2006-02-20 Roger Sayle <roger@eyesopen.com>
8560 PR tree-optimization/26361
8561 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8562 of unsigned integer types.
8564 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8566 * tree-chrec.c (eq_evolutions_p): New.
8567 * tree-chrec.h (eq_evolutions_p): Declared.
8568 * tree-data-ref.c: Fix formatting.
8569 (datadep_stats, dependence_stats): New.
8571 (print_direction_vector): New.
8572 (dump_data_dependence_relation): Use print_direction_vector.
8573 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8574 (compute_subscript_distance): Static.
8575 (initialize_data_dependence_relation): Static. Get the number
8576 of loops surrounding the references from the callers, and initialize
8577 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8578 base_object_differ_p analyzers.
8579 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8580 compute_overlap_steps_for_affine_1_2,
8581 analyze_subscript_affine_affine): Count the classified dependences.
8582 Print a message when a test failed.
8583 (can_use_analyze_subscript_affine_affine): New.
8584 (analyze_siv_subscript): Compute the data dependences on symbolic
8585 scevs that verify can_use_analyze_subscript_affine_affine.
8586 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8587 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8588 Handle symbolic scevs.
8589 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8591 (subscript_dependence_tester): Moved...
8592 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8593 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8594 DDR_SIZE_VECT instead of getting it in parameter.
8595 (subscript_dependence_tester): ... here. Take as a parameter
8596 loop_nest_depth. Call build_classic_dist_vector and
8597 build_classic_dir_vector.
8598 (compute_affine_dependence): Update subscript_dependence_tester
8599 parameters. Update datadep_stats counters. Call
8600 compute_subscript_distance.
8601 (compute_self_dependence): Save the dist and dir vectors. Call
8602 compute_subscript_distance.
8603 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8604 (compute_all_dependences): Reorder parameters as they were before
8605 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8606 compute_subscript_distance. Update the use of
8607 compute_affine_dependence and initialize_data_dependence_relation.
8608 (find_data_references_in_loop): Handle COMPONENT_REF.
8609 (compute_data_dependences_for_loop): Initialize dependence_stats.
8610 Don't call build_classic_dist_vector and build_classic_dir_vector.
8611 Update the parameters of initialize_data_dependence_relation and
8612 compute_all_dependences. Print the statistics from datadep_stats.
8613 (analyze_all_data_dependences): Static. Not used until the pass for
8614 checking the data dependences is contributed.
8615 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8616 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8617 (initialize_data_dependence_relation, compute_affine_dependence,
8618 analyze_all_data_dependences, compute_subscript_distance): Removed.
8619 (print_direction_vector): New.
8620 * lambda.h (gcd): ... here.
8621 (lambda_vector_gcd): Moved here from gcd_vector.
8622 * lambda-code.c (gcd, gcd_vector): Removed.
8623 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8624 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8626 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8628 * ipa-type-escape.c: Tidy some comments and white space.
8629 * tree-ssa-operands.c: Likewise.
8631 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8634 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8635 (dump_decl_name): Do not walk the decl tree chains.
8636 * tree-pass.h (TDF_CHAIN): Remove.
8638 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8640 * Makefile.in (C): Remove
8642 (.PHONY): Remove C and PROTO
8644 2006-02-20 Roger Sayle <roger@eyesopen.com>
8647 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8648 deprecated CHAR_TYPE tree code.
8650 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8652 * configure.ac (target_list): Add install-info, dvi, html.
8653 * configure: Regenerate.
8655 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8656 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8657 treelang/Make-lang.in: Do not use double-colon rules.
8659 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8661 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8662 (TMT_USED_ALONE): New macro.
8663 * tree-pass.h (PROP_tmt_usage): New property.
8664 (TODO_update_tmt_usage): New todo.
8665 * tree-ssa-alias.c (updating_used_alone): New variable.
8666 (recalculate_used_alone): New function.
8667 (compute_may_aliases): Set updating_used_alone, call
8668 recalculate_used_alone.
8669 * tree-sra.c (pass_sra): Note that this pass destroys
8670 PROP_tmt_usage, and add TODO_update_tmt_usage.
8671 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8672 * tree-flow.h (updating_used_alone): Prototype.
8673 (recalculate_used_alone): Ditto.
8674 * passes.c (execute_todo): Add code to set updating_used_alone,
8675 and call recalculate.
8676 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8677 for clobber if used alone, and add assert to verify used_alone
8680 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8682 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8683 for non tls symbols added.
8684 (legitimize_address): Do nothing for PLUS expressions if one of the
8685 addends is a tls symbol reference.
8687 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8691 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8693 * Makefile.in (BOOTSTRAPPING): New.
8694 (quickstrap): New definition if BOOTSTRAPPING=yes.
8696 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8697 * configure.ac: Substitute all_selected_languages with the languages
8698 that were configured. For all the other variables except
8699 lang_specs_files, include all the languages in the tree.
8700 * configure: Regenerate.
8702 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8703 if there is one. Run the commands to run fixincludes in the same
8706 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8707 * doc/install.texi: Document exact conventions for searching target tools.
8708 Document --with-build-time-tools. Document toplevel bootstrap. Document
8709 something more about building an Ada cross-compiler. Don't list GNU Make
8710 requirements which affect all platforms.
8712 2006-02-19 Roger Sayle <roger@eyesopen.com>
8715 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8716 only equivalent if the have both the same mode and precision.
8718 2006-02-20 Ben Elliston <bje@au.ibm.com>
8720 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8722 2006-02-19 Roger Sayle <roger@eyesopen.com>
8723 Steven Bosscher <stevenb.gcc@gmail.com>
8725 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8726 constant pool references to identify stack mode constants.
8727 * rtlanal.c (constant_pool_constant_p): New predicate to check
8728 whether operand is a floating point constant in the pool.
8729 * rtl.h (constant_pool_constant_p): Prototype here.
8730 * loop.c (scan_loop): Avoid hoisting constants from the constant
8731 pool on STACK_REGS targets.
8732 (load_mems): Likewise.
8733 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8734 loads into x87 registers expensive in terms of register pressure.
8736 2006-02-19 Roger Sayle <roger@eyesopen.com>
8738 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8739 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8741 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8743 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8744 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8746 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8748 * doc/invoke.texi: Document -fipa-pta.
8749 * common.opt: Add ipa-pta option.
8750 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8751 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8752 (do_ds_constraint): Ditto.
8753 (get_constraint_for): Only add to referenced_vars if
8754 referenced_vars exists.
8755 (insert_into_field_list): Rewrite to do this unsorted.
8756 (insert_into_field_list_sorted): Rename old insert_into_field_list
8758 (create_function_info_for): Use insert_into_field_list_sorted.
8759 (create_variable_info_for): Rewrite so it uses unsorted version,
8760 since the field list is sorted.
8761 (intra_create_variable_infos): Only add to referenced_vars if
8762 referenced_vars exists.
8763 (ipa_pta_execute): Init heapvars, and delete when done.
8764 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8766 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8768 * doc/install.texi: Add missing `@samp'.
8770 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8772 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8775 2006-02-18 Mark Wielaard <mark@klomp.org>
8777 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8778 who added new 4.1 features, bug fixes and integration support.
8780 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8783 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8786 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8788 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8789 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8790 (copy_insn_1): Likewise. Don't copy each field individually.
8792 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8794 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8795 * rtl.c (rtx_size): Rename variable to...
8796 (rtx_code_size): ...this.
8797 (rtx_size): New function.
8798 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8799 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8801 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8802 * rtl.h (rtx_code_size): New variable.
8803 (rtx_size): Change from a variable to a function.
8804 (RTX_SIZE): Rename to...
8805 (RTX_CODE_SIZE): ...this.
8808 PR tree-optimization/17106
8809 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8810 (Anchored Addresses): New section.
8811 * doc/invoke.texi (-fsection-anchors): Document.
8812 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8813 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8814 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8815 * hooks.c (hook_bool_mode_rtx_false): New function.
8816 * hooks.h (hook_bool_mode_rtx_false): Declare.
8817 * gengtype.c (create_optional_field): New function.
8818 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8819 SYMBOL_REF_IN_BLOCK_P is true.
8820 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8821 (min_anchor_offset, max_anchor_offset): Likewise.
8822 (use_anchors_for_symbol_p): New hook.
8823 * toplev.c (compile_file): Call output_object_blocks.
8824 (target_supports_section_anchors_p): New function.
8825 (process_options): Check that -fsection-anchors is only used on
8826 targets that support it and when -funit-at-a-time is in effect.
8827 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8828 if the decl doesn't have one.
8829 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8830 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8831 of force_const_mem through use_anchored_address.
8832 (expand_expr_constant): New function.
8833 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8834 calling expand_expr for INDIRECT_REF.
8835 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8836 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8837 * expr.h (use_anchored_address): Declare.
8838 * loop-unroll.c: Don't declare rtx vectors here.
8839 * explow.c: Include output.h.
8840 (validize_mem): Call use_anchored_address.
8841 (use_anchored_address): New function.
8842 * common.opt (-fsection-anchors): New switch.
8843 * varasm.c (object_block_htab, anchor_labelno): New variables.
8844 (hash_section, object_block_entry_eq, object_block_entry_hash)
8845 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8846 (use_blocks_for_decl_p, change_symbol_section): New functions.
8847 (get_variable_section): New function, split out from assemble_variable.
8848 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8849 use_blocks_for_decl_p say so. Use change_symbol_section if the
8850 symbol has already been created.
8851 (assemble_variable_contents): New function, split out from...
8852 (assemble_variable): ...here. Don't output any code for
8853 block symbols; just pass them to place_block_symbol.
8854 Use get_variable_section and assemble_variable_contents.
8855 (get_constant_alignment, get_constant_section, get_constant_size): New
8856 functions, split from output_constant_def_contents.
8857 (build_constant_desc): Create a block symbol if use_object_blocks_p
8858 says so. Or into SYMBOL_REF_FLAGS.
8859 (assemble_constant_contents): New function, split from...
8860 (output_constant_def_contents): ...here. Don't output any code
8861 for block symbols; just pass them to place_section_symbol.
8862 Use get_constant_section and get_constant_alignment.
8863 (force_const_mem): Create a block symbol if use_object_blocks_p and
8864 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8865 (output_constant_pool_1): Add an explicit alignment argument.
8866 Don't switch sections here.
8867 (output_constant_pool): Adjust call to output_constant_pool_1.
8868 Switch sections here instead. Don't output anything for block symbols;
8869 just pass them to place_block_symbol.
8870 (init_varasm_once): Initialize object_block_htab.
8871 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8872 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8873 (place_block_symbol, get_section_anchor, output_object_block)
8874 (output_object_block_htab, output_object_blocks): New functions.
8875 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8876 (TARGET_ASM_OUT): Include it.
8877 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8878 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8879 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8880 (TARGET_INITIALIZER): Include them.
8881 * rtl.c (rtl_check_failed_block_symbol): New function.
8882 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8883 (block_symbol, object_block): New structures.
8884 (rtx_def): Add a block_symbol field to the union.
8885 (BLOCK_SYMBOL_CHECK): New macro.
8886 (rtl_check_failed_block_symbol): Declare.
8887 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8888 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8889 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8890 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8891 * output.h (output_section_symbols): Declare.
8892 (object_block): Name structure.
8893 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8894 (default_use_anchors_for_symbol_p): Declare.
8895 * Makefile.in (RTL_BASE_H): Add vec.h.
8896 (explow.o): Depend on output.h.
8897 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8898 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8899 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8900 (rs6000_use_blocks_for_constant_p): New function.
8902 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8904 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8906 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8909 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8912 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8914 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8918 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8921 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8922 instead of DECL_REGISTER.
8924 2006-02-18 Olivier Hainque <hainque@adacore.com>
8927 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8929 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8932 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8933 * opth-gen.awk: Handle Var and InverseMask together.
8934 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8935 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8936 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8937 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8939 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8940 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8941 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8942 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8943 LINUX_DYNAMIC_LINKER): Define.
8944 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8945 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8947 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8948 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8949 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8950 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8951 (TARGET_C99_FUNCTIONS): Don't define.
8952 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8953 GLIBC_DYNAMIC_LINKER.
8954 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8955 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8956 GLIBC_DYNAMIC_LINKER64): Define.
8957 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8958 LINUX_DYNAMIC_LINKER64.
8959 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8960 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8961 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8962 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8963 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8964 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8965 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8966 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8967 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8968 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8969 and LINUX_DYNAMIC_LINKER32.
8970 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8971 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8972 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8973 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8974 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8976 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8977 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8978 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8979 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8980 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8981 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8982 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8983 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8984 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8985 LINUX_DYNAMIC_LINKER): Define.
8986 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8987 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8988 GLIBC_DYNAMIC_LINKER64): Define.
8989 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8990 LINUX_DYNAMIC_LINKER64.
8991 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8992 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8993 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8994 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8995 LINUX_DYNAMIC_LINKER): Define.
8996 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8997 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8998 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8999 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9000 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9001 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9002 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9003 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9004 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9005 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9006 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9007 * doc/invoke.texi (-muclibc): Remove caveat about supported
9010 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9012 * doc/cpp.texi (__TIMESTAMP__): Document.
9014 2006-02-17 Roger Sayle <roger@eyesopen.com>
9017 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9018 C is one less than the width of X (and related transformations).
9019 * simplify-rtx.c (simplify_unary_operation_1): Transform
9020 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9021 depending on STORE_FLAG_VALUE, were C is one less then the
9024 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9026 Fix PR tree-optimization/26341
9027 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9028 about NAME_MEMORY_TAG's.
9030 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9033 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9034 with hardware float support, and software float support. Add fcpy
9035 alternative to hardware patterns. Add alternatives to copy between
9036 general and floating-point registers to the 32-bit pattern.
9037 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9038 secondary reload to load a QI or HI mode constant into a floating
9040 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9041 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9043 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9046 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9048 (load_macho_picbase_di): Likewise.
9050 2006-02-16 Jeff Law <law@redhat.com>
9052 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9053 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9054 (ssa_name_nonzero_p): Likewise.
9055 (get_value_range): Return NULL if VRP is not running.
9056 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9057 VRP routines do not discover a range.
9058 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9059 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9060 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9061 (tree_expr_nonnegative_p): Similarly.
9062 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9063 (restore_nonzero_vars_to_original_value): Remove.
9064 (unsafe_associative_fp_binop): Remove.
9065 (tree_ssa_dominator_optimize): Remove initialization and
9066 finalization of nonzero_vars and nonzero_vars_stack.
9067 (dom_opt_initialize_block): No longer push marker on
9069 (dom_opt_finalize_block): No longer call
9070 restore_nonzero_vars_to_original_value.
9071 (record_equivalences_from_phis): No longer look for
9072 nonzero PHI arguments.
9073 (cprop_into_successor_phis): No longer propagate nonzero
9074 property into PHI arguments. Lose unused argument. Caller
9076 (record_equivalences_from_stmt): No longer record nonzero
9077 values for SSA_NAMEs.
9078 (lookup_avail_expr): No longer use nonzero_vars.
9080 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9081 for sizetype when sizetype is unsigned.
9083 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9085 PR rtl-optimization/25603
9086 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9087 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9088 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9089 with new meaning of SETS.
9091 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9096 * config/linux.opt: New file.
9097 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9098 LINUX_DYNAMIC_LINKER): Define.
9099 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9100 * config.gcc (*-*-linux*): Define extra_options.
9101 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9102 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9103 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9104 GLIBC_DYNAMIC_LINKER.
9105 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9106 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9107 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9108 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9109 * doc/invoke.texi (GNU/Linux Options): New section.
9111 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9113 * config/sparc/sparc.md (setjmp): Rewrite.
9114 (setjmp_32): Delete.
9115 (setjmp_64): Likewise.
9117 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9119 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9122 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9124 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9127 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9129 PR rtl-optimization/26296
9130 * Makefile.in (loop-invariant.c): Add except.h dependency.
9131 * loop-invariant.c: Include except.h.
9132 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9134 2005-02-16 Paul Brook <paul@codesourcery.com>
9136 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9139 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9141 PR rtl-optimization/25636
9142 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9143 when deciding whether an insn is an initializing insn.
9145 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9147 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9148 (tree_code_size): Ditto.
9149 * tree.h (struct tree_memory_tag): Remove parent_var.
9150 (struct tree_struct_field_tag): New.
9153 (union tree_node): Add sft member.
9154 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9156 (create_sft): Add size and offset argument, set SFT_OFFSET and
9158 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9159 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9160 * tree-flow-inline.h (get_subvar_at): Update for
9161 SFT_OFFSET/SFT_SIZE.
9162 (var_can_have_subvars): Ditto.
9163 (overlap_subvar): Ditto.
9164 * print-tree.c (print_node): Print out interesting things for
9166 * tree-flow.h (struct subvar): Remove offset and size members.
9167 * tree-ssa-operands.c (get_expr_operands): Update for
9168 get_indirect_ref_operands changes.
9169 (get_indirect_ref_operands): Call add_virtual_operand instead of
9170 add_stmt_operand. Only recurse on base var if requested.
9171 (access_can_touch_variable): New function.
9172 (add_stmt_operand): Split virtual operand handling into ...
9173 (add_virtual_operand): Here. Add offset, size, and for_clobber
9174 arguments. Prune alias sets.
9175 (add_call_clobber_ops): Call add_virtual_operand.
9177 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9180 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9182 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9183 than TREE_CODE as index into omp_clause_num_ops array.
9185 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9187 PR rtl-optimization/26184
9188 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9190 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9191 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9192 must_precede, must_follow and tobe_scheduled.
9195 * opts.c (common_handle_option): Free new_option pointer.
9196 * df-core.c (df_analyze): Free postorder pointer.
9198 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9200 * Makefile.in: Fix the examples about the use of stamps
9202 2006-02-15 Michael Matz <matz@suse.de>
9206 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9207 influenced by maximum_field_alignment or DECL_PACKED.
9208 (update_alignment_for_field): Ditto.
9209 (place_field): Ditto.
9210 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9213 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9215 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9216 (debug_flow_info): Pass it.
9217 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9218 * bb-reorder.c (reorder_basic_blocks): Likewise.
9219 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9220 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9221 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9222 * gcse.c (gcse_main, bypass_jumps): Likewise.
9223 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9224 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9225 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9226 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9227 * rtl.h (dump_flow_info): Adjust prototype.
9228 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9229 * var-tracking.c (variable_tracking_main): Likewise.
9230 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9231 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9234 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9236 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9239 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9241 PR tree-optimization/26209
9242 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9243 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9245 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9247 2006-02-14 Roger Sayle <roger@eyesopen.com>
9250 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9251 (X,Y) and the corresponding symmetry related transformations.
9252 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9253 (X,Y) and its symmetry related transformations.
9255 2006-02-14 Roger Sayle <roger@eyesopen.com>
9257 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9260 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9262 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9264 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9267 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9268 support COMDAT group.
9269 * configure: Regenerate.
9271 2006-02-14 Roger Sayle <roger@eyesopen.com>
9276 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9278 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9280 Fix PR tree-optimization/26260
9282 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9284 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9285 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9286 * tree-ssa-structalias.c (create_variable_info_for): Use
9287 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9289 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9291 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9293 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9294 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9295 of the ending condition.
9296 * tree-ssa-loop-manip.c: Include params.h.
9297 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9298 tree_unroll_loop): New functions.
9299 * tree-pass.h (pass_loop_prefetch): Declare.
9300 * loop.c (rest_of_handle_loop_optimize): Test for
9301 -fprefetch-loop-arrays-rtl.
9302 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9303 * timevar.def (TV_TREE_PREFETCH): New timevar.
9304 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9305 pass_loop_prefetch): New.
9306 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9307 (cleanup_tree_cfg_loop): Call scev_reset.
9308 * common.opt (fprefetch-loop-arrays-rtl): Add.
9309 * tree-ssa-loop-prefetch.c: New file.
9310 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9311 (new_temp_expr_table): Initialize expr_vars.
9312 (free_temp_expr_table): Cleanup expr_vars.
9313 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9314 expressions from being merged into one.
9315 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9316 (struct tree_niter_desc): Add control, bound and cmp fields.
9317 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9319 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9320 (tree-cfgcleanup.o): Add SCEV_H dependency.
9321 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9322 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9324 2006-02-14 Richard Guenther <rguenther@suse.de>
9326 PR tree-optimization/26258
9327 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9328 in PHI argument processing.
9330 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9332 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9333 new expression in the requested machine mode.
9335 2006-02-13 Roger Sayle <roger@eyesopen.com>
9337 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9338 directly, instead let do_compare_rtx_and_jump handle this for us.
9339 * expr.c (expand_expr_real_1): Likewise.
9340 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9341 before do_jump_by_parts_greater.
9342 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9343 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9345 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9347 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9349 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9351 PR rtl-optimization/26235
9352 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9353 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9356 2006-02-13 Jeff Law <law@redhat.com>
9358 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9361 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9364 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9365 twice if decl is a builtin. When trying again, call get_callee_fndecl
9366 first to verify it is still a builtin.
9368 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9370 * dwarf2out.c (base_type_die): Don't add AT_name here.
9371 (subrange_type_die): Don't add AT_name here.
9372 (modified_type_die): Rearrange code flow. Do add AT_name here.
9374 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9376 PR rtl-optimization/26247
9377 PR rtl-optimization/26248
9378 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9380 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9382 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9383 * config/fixtfdi.c: Likewise.
9384 * config/fixunstfdi.c: Likewise.
9385 * config/floatditf.c: Likewise.
9387 2006-02-13 Roger Sayle <roger@eyesopen.com>
9390 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9391 into (X,C2) if C1 is a subset of the bits of C2. Transform
9392 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9394 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9396 2006-02-13 Josh Conner <jconner@apple.com>
9399 * varasm.c (function_section): Check for section name before
9400 calling select_section on targets that define
9401 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9402 unlikely_text_section instead of hot_function_section if
9403 first_function_block_is_cold.
9405 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9408 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9410 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9412 PR rtl-optimization/26222
9413 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9414 after tree->rtl expansion.
9415 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9416 before passing it to emit_move_insn.
9418 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9420 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9422 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9423 Clarify documentation.
9424 * c-common.h (warn_write_strings): Remove.
9425 * c-common.c (warn_write_strings): Likewise.
9426 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9429 2006-02-12 Roger Sayle <roger@eyesopen.com>
9432 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9433 (do_jump_parts_zero_rtx): New function renamed from
9434 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9435 (do_jump_parts_equality_rtx): New function split out from
9436 do_jump_parts_equality. Old implementation renamed as above.
9437 Call do_jump_parts_zero_rtx if either operand is zero.
9438 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9439 do all of the heavy lifting.
9440 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9441 calling either do_jump_by_parts_greater_rtx or
9442 do_jump_by_parts_equality_rtx.
9443 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9444 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9445 moved to do_compare_rtx_and_jump, call it directly.
9446 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9447 mode argument. Call do_compare_rtx_and_jump.
9448 (emit_case_nodes): Update calls to do_jump_if_equal.
9450 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9452 PR rtl-optimization/26225
9453 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9455 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9457 PR rtl-optimization/26232
9458 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9460 2006-02-11 Jason Merrill <jason@redhat.com>
9463 * tree-inline.c (declare_return_variable): Just don't use the
9464 modify target if it's a gimple complex reg and the return slot
9467 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9469 * doc/contrib.texi: Update my entry.
9471 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9473 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9475 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9477 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9480 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9482 * doc/invoke.texi (-floop-optimize2): Removed.
9483 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9484 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9485 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9486 * common.opt (floop-optimize2): Removed.
9487 (fmove-loop-invariants): Enabled by default.
9489 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9491 * tree-if-conv.c (combine_blocks): Free the result of
9492 get_loop_exit_edges.
9494 2006-02-10 Jeff Law <law@redhat.com>
9496 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9498 PR tree-optimization/26213
9499 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9500 loop trying to follow SSA_NAME_VALUE chains.
9502 2006-02-10 Richard Guenther <rguenther@suse.de>
9504 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9505 deal with structures that end in implicitly variable sized arrays.
9507 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9509 PR rtl-optimization/24762
9510 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9513 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9515 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9516 (struct ivopts_data): Add regs_used field.
9517 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9518 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9519 instead of loop_data->regs_used;
9520 (free_loop_data): Do not free aux fields for loops.
9521 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9522 and tree_ssa_iv_optimize_finalize.
9524 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9526 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9528 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9531 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9532 computing the effective result type.
9534 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9537 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9538 (tree_overlaps_hard_reg_set): Declare.
9539 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9540 type and signature to match function type expected by walk_tree.
9541 (tree_overlaps_hard_reg_set): New function.
9542 (decl_conflicts_with_clobbers_p): Rename to:
9543 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9544 Use tree_overlaps_hard_reg_set. Changed caller.
9545 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9546 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9547 * cris.c (cris_md_asm_clobbers): Likewise.
9549 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9551 * reload1.c (emit_input_reload_insns): Delete code that tries to
9552 inherit using find_equiv_reg.
9554 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9556 * c-common.h (flag_const_strings): Don't declare.
9557 * c-common.c (flag_const_strings): Remove.
9558 * c.opt (fconst_strings): Remove.
9559 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9560 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9561 (c_common_init_options): Don't set flag_const_strings.
9562 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9564 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9566 * arm.md (tlobits_cbranch): New pattern.
9567 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9568 testing a single bit.
9570 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9573 * tree-ssa-pre.c (create_component_ref_by_pieces):
9574 Handle RETURN_DECL like VAR_DECL.
9576 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9579 * fold-const.c (fold_indirect_ref_1): Fold
9580 "*(foo *)&complexfoo" to "__real__ complexfoo"
9581 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9583 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9585 * tree-flow-inline.h (var_can_have_subvars):
9586 Volatile variables should not have subvariables.
9588 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9591 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9592 multiplying unsigned values.
9595 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9597 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9599 2006-02-08 Jason Merrill <jason@redhat.com>
9602 * tree.def: Elaborate on difference from MODIFY_EXPR.
9603 * doc/c-tree.texi (INIT_EXPR): Likewise.
9604 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9605 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9606 (gimplify_target_expr): Likewise.
9607 (gimplify_cond_expr): Remove target handling.
9608 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9609 (gimplify_expr): Clobber it here.
9610 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9611 Do return slot optimization if we have an INIT_EXPR.
9614 * tree-inline.c (declare_return_variable): Also clear
9615 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9618 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9621 * gimplify.c (gimplify_one_sizepos): Fix typo.
9623 2006-02-08 Jeff Law <law@redhat.com>
9625 PR tree-optimization/21417
9626 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9627 across a backedge if the control statement at the end of the
9628 block is data dependent on other statements in the same block.
9629 (record_temporary_equivalences_from_stmts): Remove over-conservative
9630 test for threading across backedges.
9632 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9633 control statement, handle all three special cases in the same
9634 manner as they all have the same desired solution. No longer
9635 special case edge flag updating when the post dominator is
9638 2006-02-08 Roger Sayle <roger@eyesopen.com>
9640 * tree.def (CHAR_TYPE): Remove.
9641 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9642 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9643 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9644 (gen_string_type_die): Delete unreachable function.
9646 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9647 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9648 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9649 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9650 * builtins.c (type_to_class): Likewise.
9651 * fold-const.c (fold_convert, build_range_check,
9652 merge_ranges): Likewise.
9653 * expr.c (count_type_elements): Likewise.
9654 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9655 * stor-layout.c (layout_type): Likewise.
9656 * ipa-type-escape.c (type_to_consider): Likewise.
9657 * gimplify.c (omp_firstprivatize_type_sizes,
9658 gimplify_type_sizes): Likewise.
9659 * explow.c (promote_mode): Likewise.
9660 * tree-sra.c (is_sra_scalar_type): Likewise.
9661 * varasm.c (output_constant): Likewise.
9662 * tree-inline.c (remap_type_1): Likewise.
9663 * convert.c (convert_to_pointer, convert_to_real,
9664 convert_to_integer, convert_to_complex): Likewise.
9666 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9668 * df-scan.c (df_def_record_1): A set destination may
9669 be a parallel regardless of mode.
9671 2006-02-08 Roger Sayle <roger@eyesopen.com>
9674 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9675 * config/mips/_tilib.c: Remove.
9676 * config/fixtfdi.c: New libgcc source file.
9677 * config/fixunstfdi.c: New source file.
9678 * config/floatditf.c: New source file.
9679 * config/floatunditf.c: New souce file.
9680 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9681 files above instead of config/mips/_tilib.c.
9682 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9684 2006-02-08 Jeff Law <law@redhat.com>
9686 PR tree-optimization/26169
9687 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9690 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9692 * df.h (DF_REG_SIZE): Return the length of the initialized
9695 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9697 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9698 __muldf3): Return a correctly signed zero.
9700 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9702 * passes.c (register_one_dump_file): Accept the current properties
9703 instead of pass number. Adjust call to dump_register. Remove
9705 (register_dump_files): Now a wrapper around...
9706 (register_dump_files_1): ... this one. Do not modify the pass
9708 (next_pass_1): Cosmetic fix.
9709 (execute_todo): Keep second parameter only. Use curr_properties
9710 instead of fetching it from the pass structure. Check and set
9712 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9713 instead of fetching it from the pass structure. Fix calls to
9714 execute_todo. Update curr_properties and initialize .vcg RTL dump
9715 after running the pass. Reset last_verified.
9716 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9718 (FIRST_AUTO_NUMBERED_DUMP): New.
9719 (dump_register): Remove "num" parameter, assign it within the
9721 (get_dump_file_name): Modify template for dumps.
9722 * tree-dump.h (dump_register): Adjust prototype.
9723 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9724 (PROP_trees): Add PROP_gimple_lomp.
9725 (TODO_set_props): New.
9726 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9727 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9728 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9730 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9732 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9733 (sparc64-*-linux*): Likewise.
9734 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9735 * config/sparc/t-linux: New file.
9736 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9737 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9738 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9739 -m32 -mlong-double-128.
9741 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9742 * config/alpha/t-linux: New file.
9743 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9745 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9746 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9747 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9748 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9749 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9750 (CPP_ARCH32_SPEC): Remove.
9752 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9754 PR tree-optimization/26145
9755 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9758 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9761 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9762 >= 240000 when generating code for SOM runtime.
9763 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9764 to $$dyncall when generating code for SOM runtime..
9766 2006-02-07 Dirk Mueller <dmueller@suse.com>
9769 * doc/invoke.texi (-Wsequence-point): Update documentation
9770 that -Wsequence-point is implemented for C++ as well.
9772 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9774 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9775 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9776 (LIB_SPEC): Likewise.
9777 * doc/invoke.texi (SPARC options): Document -pthread.
9779 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9781 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9784 2006-02-07 Roger Sayle <roger@eyesopen.com>
9786 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9787 Correct comment describing BOOLEAN_TYPE.
9789 2006-02-07 Dirk Mueller <dmueller@suse.com>
9791 * c.opt: C++ frontend supports -Wdiv-by-zero.
9792 * c-opts.c (c_common_handle_option): Remove dead case.
9794 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9796 * configure.ac (TLS assembler check): Do not enable TLS by
9797 default on SPARC/Solaris before version 10.
9798 * configure: Regenerate.
9800 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9802 * doc/invoke.texi (xl-compat): Document conversion and support
9805 2006-02-07 Jeff Law <law@redhat.com>
9807 * tree-vrp.c (find_conditional_asserts): Update comments.
9808 (simplify_stmt_for_jump_threading): New.
9809 (identify_jump_threads, finalize_jump_threads): New.
9810 (vrp_finalize): Call identify_jump_threads.
9811 (execute_vrp): Call finalize_jump_threads.
9812 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9813 (vrp_element, vrp_data, vrp_element_p): Remove.
9814 (vrp_hash_elt, vrp_variables_stack): Remove.
9815 (vrp_hash, vrp_eq, record_range): Remove.
9816 (simplify_cond_and_lookup_avail_expr): Remove.
9817 (extract_range_from_cond): Remove.
9818 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9819 (simplify_stmt_for_jump_threading): New.
9820 (dom_thread_across_edge): New wrapper.
9821 (tree_ssa_dominator_optimize): No longer initialize or
9822 finalize any of the VRP datastructures. Remove iteration
9823 step and simplify as a result of removal of iteration step.
9824 (pass_dominator): Perform a cfg cleanup after DOM.
9825 (dom_opt_finalize_block): Use the new common routines
9826 for threading jumps. Simplify stack management slightly.
9827 No longer need to unwind VRP state.
9828 (record_equivalences_from_incoming_edge): No longer record
9830 (eliminate_redundant_computations): No longer call
9831 simplify_cond_and_lookup_avail_expr.
9832 * tree-flow.h (potentially_threadable_block): Prototype.
9833 (thread_across_edge): Likewise.
9834 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9835 (tree-ssa-threadedge.o): Add dependencies.
9836 * tree-ssa-threadedge.c: New file.
9837 * passes.c (init_optimization_passes): Merge PHIs before
9838 calling VRP. Run VRP again late in the SSA optimization pipeline.
9840 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9842 * df-core.c (df_set_blocks): Do not dereference function pointers.
9843 (df_finish1): Likewise.
9844 (df_hybrid_search_forward): Likewise.
9845 (df_hybrid_search_backward): Likewise.
9846 (df_iterative_dataflow): Likewise.
9847 (df_analyze_problem): Likewise.
9848 (df_compact_blocks): Likewise.
9849 (df_dump): Likewise.
9850 * df-scan.c (df_rescan_blocks): Likewise.
9851 (df_record_entry_block_defs): Likewise.
9853 * genconditions.c (write_conditions): Guard the definition of
9854 'insn_conditions' with the check on GCC version.
9855 (write_writer): Guard the traversal 'insn_conditions' with
9856 the check on GCC version.
9858 2006-02-07 Richard Guenther <rguenther@suse.de>
9862 2006-01-30 Richard Guenther <rguenther@suse.de>
9864 * gimplify.c (gimplify_target_expr): Handle easy cases
9865 without creating a temporary.
9867 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9869 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9870 use of float in probability computations. Use edge probabilities
9871 in place of statically computed probabilities.
9872 (min_spec_prob): New static variable.
9873 (schedule_insns): Initialize it.
9874 (GET_SRC_PROB): Removed.
9875 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9877 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9880 * config/ia64/unwind-ia64.c: Revert last change.
9881 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9882 (INCOMING_FRAME_SP_OFFSET): Define.
9884 2006-02-06 Roger Sayle <roger@eyesopen.com>
9886 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9888 2006-02-07 Ben Elliston <bje@au.ibm.com>
9890 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9891 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9892 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9893 (ix86_return_in_memory): Handle TDmode.
9894 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9895 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9897 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9899 * reorg.c (dbr_schedule): Use dump_file instead of file.
9901 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9904 * config/ia64/predicates.md (extr_len_operand): New predicate.
9905 * config/ia64/ia64.md (extv): Tighten constraints.
9907 (*tbit_and_2): Ditto.
9908 (*tbit_and_3): Ditto.
9909 (*tbit_or_2): Ditto.
9910 (*tbit_or_3): Ditto.
9914 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9917 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9919 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9921 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9922 loop_optimizer_init and loop_optimizer_finalize
9923 * tree-ssa-sink.c (execute_sink_code): Ditto.
9924 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9925 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9926 tree_ssa_loop_done): Ditto.
9927 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9928 * sched-ebb.c: Include output.h.
9929 (schedule_ebbs): Do not use dump argument.
9930 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9931 * loop.c (loop_dump_stream): Removed.
9932 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9934 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9935 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9936 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9937 loop_iterations, strength_reduce, record_biv, record_giv,
9938 final_giv_value, check_final_value, check_ext_dependent_givs,
9939 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9940 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9941 dump_file instead of loop_dump_stream.
9942 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9944 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9946 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9947 * haifa-sched.c: Include output.h
9948 (schedule_insns, sched_init): Do not use dump argument.
9949 * mode-switching.c (optimize_mode_switching): Ditto.
9950 * modulo-sched.c (stats_file): Removed.
9951 (print_node_sched_params): Do not call argument dump_file.
9952 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9953 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9955 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9957 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9958 rtl_loop_init, rtl_loop_done): Ditto.
9959 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9960 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9962 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9963 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9964 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9965 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9966 * emit-rtl.c (renumber_insns): Ditto.
9967 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9968 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9969 * regclass.c (regclass): Ditto.
9970 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9971 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9972 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9973 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9975 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9976 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9978 * gcse.c (gcse_file, debug_stderr): Removed.
9979 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9980 rest_of_handle_gcse): Do not use dump argument.
9981 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9982 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9983 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9984 compute_code_hoist_vbeinout, compute_code_hoist_data,
9985 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9986 compute_store_table, build_store_vectors, insert_insn_start_bb,
9987 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9988 store_motion): Use dump_file instead of gcse_file.
9989 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9990 * profile.c (profile_dump_file): Removed.
9991 (branch_prob): Use dump_file instead of profile_dump_file.
9992 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9994 * tree-ssa-copy.c (dump_copy_of): Ditto.
9995 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9996 dump file to life_analysis.
9997 * bt-load.c (branch_target_load_optimize): Ditto.
9998 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10000 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10001 regclass, dbr_schedule): Declaration changed.
10002 * sched-int.h (sched_init): Declaration changed.
10003 * tree-profile.c (tree_profile_dump_file): Removed.
10004 (tree_profile_hooks): Removed profile_dump_file hook.
10005 * rtl-profile (rtl_profile_dump_file): Removed.
10006 (rtl_profile_hooks): emoved profile_dump_file hook.
10007 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10009 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10010 * tree-cfg.c (build_tree_cfg): Ditto.
10011 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10012 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10013 Declaration changed.
10014 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10015 life_analysis and schedule_insns.
10016 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10018 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10020 * config/mips/mips.c (mips_reorg): Ditto.
10021 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10024 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10026 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10027 (s390_mangle_fundamental_type): New.
10028 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10031 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10032 (alpha_mangle_fundamental_type): New.
10033 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10036 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10038 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10040 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10041 (sparc_mangle_fundamental_type): New.
10043 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10045 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10046 (s390x-*-linux*): Likewise.
10047 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10048 * config/s390/t-linux: New file.
10050 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10052 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10053 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10055 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10057 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10058 (ANTIC_SAFE_LOADS): New macro.
10059 (find_or_generate_expression): Add prototype.
10060 (set_contains_value): Allow null set for sake of not always having
10061 to allocate ANTIC_SAFE_LOADS.
10062 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10063 Allow COMPONENT_REF too.
10064 (valid_in_set): Allow COMPONENT_REF.
10065 Check ANTIC_SAFE_LOADS too.
10066 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10067 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10069 (can_PRE_operation): Add COMPONENT_REF.
10070 (create_component_ref_by_pieces): New function.
10071 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10072 (insert_aux): Move AGGREGATE_TYPE_P check here.
10073 (compute_avail): Set bb local stmt uids.
10074 (pass_pre): Use TODO_update_ssa_only_virtuals.
10076 2006-02-06 Ben Elliston <bje@au.ibm.com>
10078 * configure.ac: Unconditionally disable decimal float by default.
10079 * configure: Regenerate.
10081 2006-02-06 Ben Elliston <bje@au.ibm.com>
10083 * read-rtl.c (read_name): Terminate reading on EOF.
10085 2006-02-06 Ben Elliston <bje@au.ibm.com>
10087 * dfp.c (decimal_real_arithmetic): Change second argument type
10088 from int to enum tree_code. Do not always return true, but now
10089 return result of any call to decimal_do helper functions.
10090 * dfp.h (decimal_real_arithmetic): Update prototype.
10092 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10094 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10096 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10099 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10102 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10104 * tree-vrp.c (cfg_loops): Removed.
10105 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10106 Use current_loops instead of cfg_loops. Pass flags to
10107 loop_optimizer_init.
10108 * cfgloopmanip.c (fix_loop_structure): Update only available
10110 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10111 loop_optimizer_init.
10112 * modulo-sched.c (build_loops_structure): Removed.
10113 (sms_schedule): Use loop_optimizer_init.
10114 * loop-init.c (loop_optimizer_init): Use flags to determine
10115 which properties of loops to prepare.
10116 (rtl_loop_init): Pass flags to loop_optimizer_init.
10117 * tree-ssa-sink.c (execute_sink_code): Ditto.
10118 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10119 * tree-ssa-pre.c (init_pre): Ditto.
10120 * cfgloop.h (LOOPS_NORMAL): New.
10121 (loop_optimizer_init): Declaration changed.
10123 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10125 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10126 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10128 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10130 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10132 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10133 * pa/t-pa64: Delete quadlib.c rule.
10134 * pa/x-ada: Revert last change.
10135 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10137 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10139 PR rtl-optimization/26087
10140 * rtlanal.c (canonicalize_condition): Do not cross basic block
10143 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10146 * config/ia64/ia64.c: Include debug.h.
10147 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10148 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10149 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10150 (process_epilogue, process_set, process_for_unwind_directive):
10151 Output unwind info only if requested. Add CFA info if requested.
10152 Add new arguments as needed. Adjust callers.
10153 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10155 (DWARF2_FRAME_INFO): Define to zero.
10156 * config/ia64/unwind-ia64.c: Remove code that compensated for
10157 the CFA offset error fixed above.
10158 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10159 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10160 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10161 -funwind-tables and -fexceptions to enable frame info.
10162 (dwarf2out_frame_init): Define initial CFA even if
10163 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10164 DWARF2_UNWIND_INFO is nonzero, not just defined.
10165 (dwarf2out_frame_finish): Output non-EH call frame info only
10166 if DWARF2_FRAME_INFO is nonzero.
10167 (convert_cfa_to_loc_list,
10168 compute_frame_pointer_to_cfa_displacement): Define even if
10169 unwind info is not supported.
10170 (gen_subprogram_die): Use the above unconditionally. Remove
10171 legacy alternate code.
10172 * toplev.c (compile_file): Compile in call to
10173 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10174 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10176 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10177 Jakub Jelinek <jakub@redhat.com>
10179 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10180 IBM extended float format long double as "g" on powerpc*-linux.
10182 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10185 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10186 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10188 2006-02-03 Jason Merrill <jason@redhat.com>
10191 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10193 PR middle-end/25977
10194 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10195 on the return slot if it's an NRV.
10197 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10199 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10200 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10201 rewrite_use): Do not handle USE_OUTER.
10202 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10203 add_iv_outer_candidates, may_replace_final_value,
10204 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10205 (find_interesting_uses_op): Functionality of
10206 find_interesting_uses_outer_or_nonlin moved here.
10207 (find_interesting_uses_outside): Use find_interesting_uses_op.
10209 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10212 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10214 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10215 Ulrich Weigand <uweigand@de.ibm.com>
10218 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10219 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10220 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10221 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10223 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10224 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10225 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10226 Define secondary reloads for TFmode moves.
10227 (constant_modes): Add TFmode.
10228 (NR_C_MODES): Set to 8.
10229 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10231 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10232 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10233 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10234 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10235 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10236 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10237 (FPR mode macro): Add TFmode.
10238 (DSF mode macro): New.
10239 (<de>, <dee> mode attributes): Removed.
10240 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10241 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10242 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10243 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10244 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10245 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10246 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10247 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10248 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10249 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10250 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10251 "*negabs<mode>2", "sqrt<mode>2"):
10252 Changed <de> to <xde>. R constraint replaced by <Rf>.
10253 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10255 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10256 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10257 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10259 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10260 "extenddftf2", "extendsftf2"): New expanders.
10261 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10262 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10263 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10264 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10266 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10267 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10268 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10269 __floatditf): Add a GCC_4.1.0 symbol version tag.
10270 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10273 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10276 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10277 Use targetm.binds_local_p instead of TREE_PUBLIC.
10279 2006-02-02 Roger Sayle <roger@eyesopen.com>
10281 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10282 on INTEGER_TYPEs to indicate that it denotes a character type.
10283 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10284 signed_char_type_node, unsigned_char_type_node and char_type_node.
10285 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10286 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10287 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10289 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10290 Daniel Berlin <dberlin@dberlin.org>
10292 * tree-tailcall.c (arg_needs_copy_p): New function.
10293 (eliminate_tail_call): Use arg_needs_copy_p.
10294 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10295 (add_virtual_phis): New function.
10297 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10299 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10300 #ignore instead of #scratch for %g7 .register directive.
10302 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10304 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10307 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10309 * flow.c (calculate_global_regs_live): Assert that there aren't any
10312 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10314 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10315 what its name says.
10316 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10317 bsi_after_labels iterator.
10318 * tree-if-conv.c (find_phi_replacement_condition,
10319 replace_phi_with_cond_modify_expr): Likewise.
10320 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10321 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10323 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10325 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10327 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10330 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10331 array after growing it.
10333 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10335 PR middle-end/24901
10336 * fold-const.c (fold_checksum_tree): Change type of buf.
10338 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10340 * reload.c (push_secondary_reload): Initialize t_icode.
10342 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10344 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10345 -msoft-float -mlong-double-128 only issue a warning, but don't
10346 swich to DFmode long double.
10348 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10350 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10351 has a constant equivalent, iterate over equivalents for arg0,
10352 calling simplify_relational_operation and if there's a result
10353 cheaper than X, apply fold_rtx and return the result.
10355 2006-02-01 Jan Hubicka <jh@suse.cz>
10357 * opts.c (no_unit_at_a_time_default): New global variable.
10358 (decode_options): Use it.
10359 * opts.h (no_unit_at_a_time_default): Declare.
10361 2006-02-01 Paul Brook <paul@codesourcery.com>
10363 * function.c (assign_parm_setup_reg): Use function argument promotion
10365 * expr.c (expand_expr_real_1): Use function argument promotion rules
10368 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10370 * gcc.c (process_command): Change j to 'unsigned int'.
10372 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10374 PR middle-end/26001
10375 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10376 Use the corrected index for the character
10377 out of the string constant.
10379 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10381 * mode-switching.c (optimize_mode_switching): Fix size
10382 allocated for bb_info[n_entities].
10384 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10386 * gcc.c (main): Correct type that is allocated for
10387 explicit_link_files.
10389 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10391 * config/s390/s390.c (init_alignment_context): Set
10392 ALIAS_SET_MEMORY_BARRIER on the MEM.
10393 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10395 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10397 PR middle-end/25933
10398 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10400 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10403 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10405 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10406 * regrename.c: Ditto.
10407 * tree-ssa-loop-im.c: Ditto.
10408 * tree-dump.c: Ditto.
10409 * tree-complex.c: Ditto.
10410 * genrecog.c: Ditto.
10411 * tree-ssa-threadupdate.c: Ditto.
10413 * java/class.c: Ditto.
10414 * java/jcf-parse.c: Ditto.
10415 * java/resource.c: Ditto.
10416 * java/except.c: Ditto.
10417 * java/jvspec.c: Ditto.
10418 * java/jcf-write.c: Ditto.
10419 * java/jcf-path.c: Ditto.
10420 * java/gjavah.c: Ditto.
10421 * java/zextract.c: Ditto.
10422 * java/jcf-io.c: Ditto.
10423 * java/jcf.h: Ditto.
10424 * java/buffer.c: Ditto.
10425 * java/lang.c: Ditto.
10426 * java/parse-scan.y: Ditto.
10427 * java/lex.c: Ditto.
10428 * java/lex.h: Ditto.
10429 * cfgloopmanip.c: Ditto.
10430 * postreload-gcse.c: Ditto.
10431 * tree-ssa-loop-manip.c: Ditto.
10432 * postreload.c: Ditto.
10433 * tree-ssa-loop-ch.c: Ditto.
10436 * cppspec.c: Ditto.
10437 * diagnostic.c: Ditto.
10439 * genoutput.c: Ditto.
10441 * cfghooks.c: Ditto.
10442 * cfgloopanal.c: Ditto.
10443 * objc/objc-act.c: Ditto.
10445 * genextract.c: Ditto.
10446 * genautomata.c: Ditto.
10447 * pretty-print.c: Ditto.
10448 * genemit.c: Ditto.
10449 * cgraphunit.c: Ditto.
10451 * df-scan.c: Ditto.
10452 * haifa-sched.c: Ditto.
10453 * dominance.c: Ditto.
10455 * tree-ssa-loop-ivopts.c: Ditto.
10456 * df-core.c: Ditto.
10457 * mode-switching.c: Ditto.
10458 * modulo-sched.c: Ditto.
10460 * ipa-pure-const.c: Ditto.
10462 * fix-header.c: Ditto.
10464 * tree-stdarg.c: Ditto.
10465 * ipa-utils.c: Ditto.
10466 * loop-init.c: Ditto.
10467 * ipa-inline.c: Ditto.
10468 * cfganal.c: Ditto.
10470 * alloc-pool.c: Ditto.
10471 * dwarf2out.c: Ditto.
10473 * genattrtab.c: Ditto.
10474 * tree-ssa-loop-ivcanon.c: Ditto.
10475 * predict.c: Ditto.
10476 * timevar.c: Ditto.
10478 * fortran/gfortranspec.c: Ditto.
10479 * regmove.c: Ditto.
10480 * local-alloc.c: Ditto.
10481 * langhooks.c: Ditto.
10482 * function.c: Ditto.
10483 * tree-vectorizer.c: Ditto.
10485 * ipa-type-escape.c: Ditto.
10487 * tree-if-conv.c: Ditto.
10488 * profile.c: Ditto.
10490 * tree-data-ref.c: Ditto.
10491 * loop-unroll.c: Ditto.
10492 * treelang/treetree.c: Ditto.
10494 * bt-load.c: Ditto.
10495 * ggc-common.c: Ditto.
10497 * coverage.c: Ditto.
10499 * tree-cfgcleanup.c: Ditto.
10500 * tree-ssa-pre.c: Ditto.
10501 * cfgcleanup.c: Ditto.
10502 * loop-invariant.c: Ditto.
10503 * loop-iv.c: Ditto.
10504 * ipa-prop.c: Ditto.
10505 * print-tree.c: Ditto.
10506 * conflict.c: Ditto.
10507 * ggc-page.c: Ditto.
10508 * sched-deps.c: Ditto.
10509 * regclass.c: Ditto.
10510 * tree-object-size.c: Ditto.
10511 * combine.c: Ditto.
10512 * bb-reorder.c: Ditto.
10513 * resource.c: Ditto.
10514 * var-tracking.c: Ditto.
10515 * cfgloop.c: Ditto.
10516 * df-problems.c: Ditto.
10517 * reg-stack.c: Ditto.
10519 * gccspec.c: Ditto.
10520 * sched-rgn.c: Ditto.
10521 * tree-ssa-structalias.c: Ditto.
10522 * tree-ssa-reassoc.c: Ditto.
10523 * config/darwin-c.c: Ditto.
10524 * config/darwin.c: Ditto.
10525 * config/arm/arm.c: Ditto.
10527 * collect2.c: Ditto.
10528 * reload1.c: Ditto.
10530 2006-01-31 Nicolas Pitre <nico@cam.org>
10532 * arm.md (smaxsi3): Make aware of smax_m1.
10535 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10537 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10539 2006-01-31 Richard Guenther <rguenther@suse.de>
10541 * doc/invoke.texi (-msselibm): Document.
10542 * target.h (expand_library_builtin): New target hook.
10543 * builtins.c (expand_builtin): Use expand_library_builtin.
10544 (default_expand_library_builtin): New function.
10545 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10546 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10547 (link_gcc_math_spec): Declare.
10548 (static_specs): Add link_gcc_math_spec.
10549 * expr.h (default_expand_library_builtin): Declare.
10550 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10551 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10552 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10553 * config/i386/i386.opt (msselibm): New target option.
10554 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10555 (ix86_init_sse_abi_builtins): New function.
10556 (ix86_expand_library_builtin): Likewise.
10557 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10558 (override_options): Handle error conditions wrt -msselibm.
10559 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10560 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10561 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10564 2006-01-31 Richard Guenther <rguenther@suse.de>
10565 Paolo Bonzini <bonzini@gnu.org>
10567 * doc/install.texi (--disable-libgcc-math): Document.
10569 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10571 * expr.h (expand_normal): new inline function.
10572 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10573 * dojump.c: use it.
10574 * dwarf2out.c: use it.
10577 * expmed.c: use it.
10578 * except.c: use it.
10579 * config/sparc/sparc.c: use it.
10580 * config/i386/i386.c: use it.
10581 * config/rs6000/rs6000.c: use it.
10582 * config/arm/arm.c: use it.
10583 * config/mips/mips.c: use it.
10584 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10586 2006-01-30 Roger Sayle <roger@eyesopen.com>
10588 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10589 argv to the appropriate type.
10591 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10593 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10596 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10599 * config/s390/s390.c (struct machine_function): New flag
10600 decomposed_literal_pool_addresses_ok_p.
10601 (s390_reorg): Set it before final stage of literal pool transforms.
10602 (s390_decompose_address): Only accept displacements of the form
10603 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10605 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10607 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10608 the comparison routine return.
10610 2006-01-30 Michael Matz <matz@suse.de>
10612 * global.c (find_reg): Only evict for global regs.
10613 Take n_refs into account and dump more info.
10615 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10618 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10619 (pragma_trap, pragma_nosave_low_regs): Likewise.
10620 (current_function_anonymous_args): Likewise.
10621 (sh_deferred_function_attributes): New variable.
10622 (sh_deferred_function_attributes_tail): Likewise.
10623 (print_operand): For '@', look up trap_exit attribute.
10624 (calc_live_regs): Look up trapa_handler attribute. For trapa
10625 handlers, save/restore fpscr, but don't do any other
10626 interrupt-specific saves.
10627 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10628 Fix check for partially saved registers to check for SHmedia.
10629 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10630 (sh_output_function_epilogue): Don't clear any of the removed
10632 (sh_insert_attributes): Don't check pragma_interrupt.
10633 Insert deferred attributes. Check that interrupt attribute is
10634 present for other attributes that require its presence.
10635 (sh_attribute_table): Add new attributes trapa_handler and
10637 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10638 Don't check for pragma_interrupt. Don't store argument.
10639 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10640 (sh_deferred_function_attributes): Declare.
10641 (sh_deferred_function_attributes_tail): Likewise.
10642 * sh.md (sp_switch_1): Add operand. Change generator caller.
10643 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10644 (*return_i): Don't use when trap_exit attribute is in effect.
10645 (*return_trapa): New insn pattern.
10646 * sh-c.c: New file.
10647 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10648 setting c_target_objs and cxx_target_objs.
10649 * t-sh: Add rule for sh-c.o.
10651 2006-01-30 Richard Guenther <rguenther@suse.de>
10654 * gimplify.c (gimplify_target_expr): Handle easy cases
10655 without creating a temporary.
10657 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10659 * vec.h (safe_grow): Remove duplicated line.
10661 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10664 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10665 (expand_omp): ... here.
10666 (expand_omp_parallel): Only remove barriers for combined
10667 parallel+workshare constructs.
10669 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10673 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10674 * tree.c (build_qualified_type): Chain the new type to the original
10675 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10676 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10677 (build_pointer_type_for_mode): Only return unqualified types.
10678 (build_reference_type_for_mode): Likewise.
10680 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10682 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10683 * Makefile.in (CXX_COMPAT_WARN): Define.
10684 * configure: Regenerate.
10686 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10689 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10692 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10694 * toplev.c: Fix thinko.
10696 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10697 Marcin Dalecki <martin@dalecki.de>
10699 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10700 (push_srcloc): Use XNEW.
10701 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10703 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10705 * df-core.c (df_set_blocks): Deleted all variable.
10707 2006-01-28 Ian Lance Taylor <ian@airs.com>
10709 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10710 cgraph_output_pending_asms.
10712 2006-01-28 Zack Weinberg <zackw@panix.com>
10714 * c.opt: Add -W(no-)overlength-strings.
10715 * doc/invoke.texi: Document it.
10716 * c-opts.c (c_common_handle_option): -pedantic implies
10717 -Woverlength-strings, if not explicitly disabled already.
10718 (c_common_post_options): -Woverlength-strings defaults to off, and
10719 is always off for C++.
10720 * c-common.c (fix_string_type): Issue warning about strings longer
10721 than is portable only if warn_overlength_strings. Rearrange code
10722 a little for clarity.
10723 * configure.in: Check for -Wno-overlength-strings as well before
10724 enabling -pedantic in stage 1.
10725 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10726 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10728 * genconditions.c (write_header, write_one_condition)
10729 (write_conditions, write_writer): Consolidate very long strings
10730 that were broken up to fit in C89 portable limit. Don't use
10731 printf when fputs will do.
10733 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10735 * combine.c (simplify_comparison <AND>): Check
10736 TRULY_NOOP_TRUNCATION before start using a subreg.
10738 * config/mips/mips.md (*branch_zero<mode>,
10739 *branch_zero<mode>_inverted, *branch_equality<mode>,
10740 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10741 Remove mode check from comparisons.
10743 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10745 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10747 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10749 * expmed.c (const_mult_add_overflow_p): Remove.
10750 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10752 * recog.c (validate_replace_rtx_subexp): Remove.
10753 * recog.h: Remove the prototype for
10754 validate_replace_rtx_subexp.
10756 * integrate.h: Remove the prototype for
10757 copy_decl_for_inlining.
10758 * rtl.h: Remove the prototype for mark_constant_function.
10759 * tree-vectorizer.h: Remove the prototype for
10760 vect_strip_conversion.
10762 * modulo-sched.c (create_partial_schedule,
10763 free_partial_schedule, reset_partial_schedule): Make them
10766 * hooks.c (hook_bool_rtx_int_false): Remove.
10767 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10769 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10771 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10772 and -mlong-double-128 are incompatible.
10773 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10774 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10775 (TARGET_LIBGCC2_CFLAGS): Define.
10776 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10777 (TARGET_LIBGCC2_CFLAGS): Same.
10778 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10780 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10783 * c-typeck.c (build_binary_op): Perform implicit casts of
10784 operands before shortening them.
10786 * cfgloopmanip.c (split_loop_bb): Remove.
10787 * cfgloop.h: Remove the prototype for split_loop_bb.
10789 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10790 * cfgloop.h: Remove the prototype for
10791 flow_loop_outside_edge_p.
10793 * emit-rtl.c (init_virtual_regs): Make it static.
10794 * function.h: Remove the prototype for init_virtual_regs.
10796 * recog.c (peephole2_optimize): Make it static.
10797 * recog.h: Remove the prototype for peephole2_optimize.
10799 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10801 * df-scan.c (df_record_entry_block_defs): Check if
10802 INCOMING_RETURN_ADDR_RTX is defined.
10804 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10805 Kenneth Zadeck <zadeck@naturalbridge.com>
10807 PR rtl-optimization/24762
10808 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10809 * targhooks.c (hook_void_bitmap): New hook prototype.
10810 * targhoohs.h (hook_void_bitmap): Ditto.
10811 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10812 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10813 * target.h (live_on_entry): New function pointer.
10814 * df-scan.c (df_all_hard_regs): Removed.
10815 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10816 (df_scan_free_internal): Added df->entry_block_defs.
10817 (df_scan_alloc): Ditto.
10818 (df_scan_dump): Ditto.
10819 (df_uses_record): Plumbed flag field properly thru calls.
10820 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10821 This part fixes PR24762.
10822 (df_bb_refs_record): Added code to make the frame and arg
10823 pointers live in EH blocks.
10824 (df_refs_record): Added call to df_record_entry_block_defs.
10825 (df_record_entry_block_defs): New function.
10826 * df-core.c: Added comments to describe new artifical defs.
10827 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10828 (entry_block_defs): New field in struct df.
10829 (df_all_hard_regs): Deleted.
10830 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10831 * df-problems.c (df_ru_bb_local_compute_process_def):
10832 Added code to handle artifical defs in the entry to a function.
10833 (df_ru_bb_local_compute): Ditto.
10834 (df_rd_bb_local_compute_process_def): Ditto.
10835 (df_rd_bb_local_compute): Ditto.
10836 (df_lr_bb_local_compute): Ditto.
10837 (df_ur_bb_local_compute): Ditto.
10838 (df_urec_bb_local_compute): Ditto.
10839 (df_chain_create_bb): Ditto.
10840 (df_ur_local_finalize): Removed entry.
10841 (df_urec_init): Ditto.
10842 (df_urec_local_finalize): Ditto.
10843 (df_ri_bb_compute): Added detection of last use of pseudos.
10844 * Makefile.in (df-scan.o): Updated dependencies.
10845 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10846 * config/mips/mips.c (mips_set_live_on_entry): Added.
10847 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10849 * dce.c (marked_insn_p): Added code to handle artifical defs.
10851 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10853 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10855 (_mm_cvtsi128_si64): Likewise.
10856 (_mm_cvtsd_si64): Likewise.
10857 (_mm_cvttsd_si64): Likewise.
10858 (_mm_cvtsi64_sd): Likewise.
10859 (_mm_cvtsi64_si128): Likewise.
10860 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10861 (_mm_cvtsi64_m64): Likewise.
10862 (_m_to_int64): Likewise.
10863 (_mm_cvtm64_si64): Likewise.
10864 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10865 (_mm_cvttss_si64): Likewise.
10866 (_mm_cvtsi64_ss): Likewise.
10867 (_mm_cvtss_f32): Likewise.
10869 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10871 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10872 for pragma redefine_extname.
10874 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10877 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10878 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10879 -mno-minimal-toc to previous content.
10880 (bispecs): Remove goal.
10881 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10882 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10883 compatibility aliases on powerpc-*-*gnu*.
10884 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10885 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10886 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10887 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10888 (ldblspecs): New goal.
10889 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10890 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10892 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10893 L_sf_to_tf or L_df_to_tf is defined.
10895 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10896 Alan Modra <amodra@bigpond.net.au>
10899 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10900 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10901 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10902 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10903 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10904 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10905 (rs6000_override_options): Initialize rs6000_ieeequad.
10906 Initialize TFmode format to ibm_extended_format if not
10908 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10910 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10911 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10912 (function_arg_advance): IBM long double passed in two FPRs, not
10914 (function_arg): IBM long double passed in FPRs.
10915 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10916 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10917 Only multireg GPR aligned.
10918 (rs6000_init_libfuncs): Enable IBM long double functions if not
10920 (rs6000_generate_compare): Use IBM long double compare if not
10922 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10923 (TARGET_IEEEQUAD): Define.
10924 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10925 not TARGET_IEEEQUAD.
10926 * config/rs6000/rs6000.md: Enable TFmode patterns if
10928 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10929 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10930 and -mlong-double-128 are incompatible.
10931 * doc/invoke.texi (-mabi): Collect options together. Add
10932 ibmlongdouble and ieeelongdouble.
10934 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10936 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10938 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10939 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10940 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10941 * rtl.h (rtunion_def): Remove rt_ptr.
10943 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10944 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10945 * config/i386/winnt.c (i386_pe_mark_dllexport)
10946 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10948 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10950 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10952 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10956 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10957 pthread_key_delete. From John David Anglin. gthrw-ify
10958 pthread_getunique_np only if it it's not a macro. Delete
10960 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10961 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10962 __gthread_objc_condition_signal, __gthread_key_delete): Add
10963 "__attribute__ ((__unused__))" to unused arguments.
10964 (__gthread_recursive_mutex_init_function): Add missing return.
10965 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10966 gthr-posix95.h: Use macro-based approach for name redirection
10967 on targets missing weakref.
10969 2006-01-26 Zack Weinberg <zackw@panix.com>
10971 * genconditions.c (write_header): In generated code, #ifdef out
10972 all includes and fake declarations, except includes of bconfig.h
10973 and system.h, unless GCC_VERSION >= 3001. Do not include
10974 gensupport.h in any case.
10975 (write_conditions): Generate a definition of struct c_test. Add
10976 a comment to the generated #endif.
10977 (write_one_condition): Escape backslashes in string too.
10978 (write_writer): Generated code must escape backslashes and quote
10979 marks (but not newlines) in the strings it writes.
10980 * Makefile.in (build/gencondmd.o): Update dependencies.
10982 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10985 * Makefile.in (insn-automata.o): Add header file dependencies.
10986 * genautomata.c: Add includes.
10988 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10991 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10993 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10995 * configure.ac: Expect target tools paths to be passed from the toplevel
10996 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10998 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11000 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11003 * c.opt (Wpointer-sign): Init to -1.
11004 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11005 OPT_pedantic, to 0 otherwise.
11006 * doc/invoke.texi: Update.
11008 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11010 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11011 constants provided by 80387 instructions in the destination mode.
11013 2006-01-26 Richard Guenther <rguenther@suse.de>
11014 Andrew Pinski <pinskia@physics.uc.edu>
11017 partial PR tree-opt/17064
11018 * tree-ssa-structalias.c (intra_create_variable_infos):
11019 Create heap variables for incoming parameters if
11020 flag_argument_noalias > 1.
11021 (find_what_p_points_to): Look through default defs of
11024 2006-01-26 Jeff Law <law@redhat.com>
11027 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11028 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11029 within the VR_RANGE, use the VR_RANGE as the result, not the
11031 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11032 bounds for the type.
11034 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11036 * tree-ssa-alias.c (maybe_create_global_var): Change
11037 subvar walking to an assertion that we don't have subvar'd variables.
11039 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11042 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11043 Use a new variable, inner. PARM_DECLs are always non-weak.
11045 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11047 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11048 --disable-checking.
11050 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11052 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11054 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11056 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11057 (smax_insn, smin_insn, smax_0, smin_0): New.
11059 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11062 * config/cris/cris.c (cris_order_for_addsi3): New function.
11063 * config/cris/cris-protos.h: Prototype it.
11064 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11065 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11066 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11067 (split for "op.S1 [rx=rx+i],ry (swapped)")
11068 (split for "op(s|u).S1 [rx=rx+i],ry")
11069 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11070 Apply cris_order_for_addsi3 when generating addsi3 insns.
11072 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11074 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11075 (TREE_BLOCK): Add call to EXPR_CHECK.
11077 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11080 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11081 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11082 (dump_omp_clauses): ... here.
11083 (dump_generic_node): Handle OMP_CLAUSE.
11084 * tree.c (omp_clause_num_ops): New.
11085 (omp_clause_code_name): New.
11086 (tree_code_size): Handle OMP_CLAUSE.
11087 (tree_size): Likewise.
11088 (make_node): Document handling of OMP_CLAUSE.
11089 (tree_node_structure): Handle OMP_CLAUSE.
11090 (omp_clause_check_failed): New.
11091 (omp_clause_range_check_failed): New.
11092 (omp_clause_operand_check_failed): New.
11093 (build_omp_clause): New.
11094 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11095 * tree.h (enum omp_clause_code): Declare.
11096 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11097 (OMP_CLAUSE_RANGE_CHECK): Define.
11098 (OMP_CLAUSE_ELT_CHECK): Define.
11099 (omp_clause_check_failed): Declare.
11100 (omp_clause_operand_check_failed): Declare.
11101 (omp_clause_range_check_failed): Declare.
11102 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11103 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11104 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11105 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11106 (OMP_CLAUSE_IF_EXPR): Likewise.
11107 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11108 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11109 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11110 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11111 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11112 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11113 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11114 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11115 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11116 (OMP_CLAUSE_CODE): Define.
11117 (OMP_CLAUSE_SET_CODE): Define.
11118 (OMP_CLAUSE_CODE): Define.
11119 (OMP_CLAUSE_OPERAND): Define.
11120 (struct tree_omp_clause): Declare.
11121 (union tree_node): Add field 'omp_clause'.
11122 * treestruct.def (TS_OMP_CLAUSE): Define.
11123 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11124 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11125 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11126 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11127 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11128 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11129 (OMP_CLAUSE): Define.
11130 * print-tree.c (print_node): Handle OMP_CLAUSE.
11131 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11132 * c-typeck.c: Likewise.
11133 * gimplify.c: Likewise.
11134 * c-omp.c: Likewise.
11135 * tree-nested.c: Likewise.
11136 * tree-inline.c: Likewise.
11137 * c-parser.c: Likewise.
11138 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11141 2006-01-25 Roger Sayle <roger@eyesopen.com>
11143 PR rtl-optimization/25703
11144 * combine.c (try_combine): Handle zero_extract and strict_low_part
11145 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11147 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11149 * global.c: Fix comment typos.
11151 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11154 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11155 Use output_addr_const instead of assemble_name.
11157 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11159 * Makefile.in (sched-vis.o): Update dependencies.
11160 * haifa-sched.c (sched_finish): Clear current_sched_info.
11161 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11162 (dump_flow_info): Call it.
11163 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11165 * basic-block.h (dump_bb_info): Declare.
11166 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11167 option, and apply options only for dump files whose TDF_RTL,
11168 TDF_TREE, or TDF_IPA bits match.
11169 * rtl.h: Declare new functions exported from sched-vis.c.
11170 * sched-vis.c: Enable also if scheduling is not used.
11171 (print_value): Print the mode of registers if not inside scheduling.
11172 (print_insn): Make it work outside the scheduler. Beautify the output
11174 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11176 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11178 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11179 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11180 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11181 depending on the value of CONSTANT_POOL_ADDRESS_P.
11182 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11184 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11185 rather than SYMBOL_REF_DECL.
11186 (rtx_constant_pool): Remove const_rtx_sym_htab.
11187 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11188 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11189 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11190 Remove handling of const_rtx_sym_htab.
11191 (find_pool_constant): Delete.
11192 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11193 rather than find_pool_constant.
11194 (get_pool_constant_for_function): Delete.
11195 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11196 find_pool_constant.
11197 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11198 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11199 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11200 (SYMBOL_REF_CONSTANT): New macro.
11201 (get_pool_constant_for_function): Delete.
11202 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11203 rather than SYMBOL_REF_DECL.
11204 (i386_pe_mark_dllimport): Likewise.
11205 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11206 rather than SYMBOL_REF_DECL.
11207 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11208 (machopic_indirect_call_target): Likewise.
11210 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11212 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11214 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11216 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11218 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11220 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11222 2006-01-24 David Daney <ddaney@avtrex.com>
11225 * configure.ac (enable_tls): New enable option.
11226 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11227 * configure: Regenerate.
11228 * doc/install.texi (--enable-tls): Document new option.
11229 (--disable-tls): Ditto.
11231 2006-01-24 Richard Henderson <rth@redehat.com>
11233 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11234 * alias.c (true_dependence): Respect it.
11235 (canon_true_dependence, write_dependence_p): Likewise.
11236 * builtins.c (get_builtin_sync_mem): Set it.
11238 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11240 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11243 2006-01-24 DJ Delorie <dj@redhat.com>
11245 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11246 for storing constants in single-bit bitfields.
11248 2006-01-25 Ben Elliston <bje@au.ibm.com>
11250 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11252 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11255 * tree-ssa-pre.c (phi_translate): Return NULL
11256 for AGGREGATE_TYPE's.
11258 2006-01-24 Zack Weinberg <zackw@panix.com>
11260 * genautomata.c (process_state_for_insn_equiv_partition):
11261 Use xcalloc for insn_arcs_array.
11262 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11263 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11265 2006-01-24 Richard Henderson <rth@redhat.com>
11267 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11268 update all callers.
11270 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11272 PR rtl-optimization/25890
11273 PR rtl-optimization/25905
11274 * combine.c (expand_compound_operation, expand_field_assignment):
11275 Fail if the bitfield's final position is out of bounds.
11277 2006-01-24 Ian Lance Taylor <ian@airs.com>
11279 PR middle-end/25930
11280 * cgraphunit.c (cgraph_output_in_order): Don't clear
11281 cgraph_asm_nodes until after asm strings have been output.
11283 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11285 * fix-header.c (read_scan_file): Add new parameter imultilib when
11286 calling register_include_chains.
11288 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11290 * omp-low.c: Update documentation.
11292 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11293 Daniel Berlin <dberlin@dberlin.org>
11297 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11298 return from the function.
11300 2006-01-22 Zack Weinberg <zackw@panix.com>
11302 * rtl.def (match_code): Add second argument.
11303 * genpreds.c (write_extract_subexp): New function.
11304 (write_match_code): Add path argument. Use write_extract_subexp.
11305 (write_predicate_expr): Pass path to write_match_code.
11306 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11307 not perform a mode test.
11308 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11309 a subexpression does not constrain the top-level code set.
11310 * read-rtl.c (read_rtx_variadic): New function.
11311 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11312 * doc/md.texi: Document new notation.
11313 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11314 (cmpsi_operand): ... here, using new notation.
11316 2006-01-22 Zack Weinberg <zackw@panix.com>
11318 * varray.c: Remove GENERATOR_FILE #ifdefs.
11320 2006-01-22 Zack Weinberg <zackw@panix.com>
11322 * genautomata.c (output_reserved_units_table): Emit nothing if
11323 description->query_units_num is zero. Remove extra blank line.
11324 (output_cpu_unit_reservation_p): Short circuit
11325 if description->query_units_num is zero.
11327 2006-01-22 Zack Weinberg <zackw@panix.com>
11329 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11330 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11331 nor any of the random handful of variables that used to be necessary
11332 when this program was linked with rtlanal.o. Prune set of forward
11333 function declarations.
11334 (struct attr_desc): Remove static_p field.
11335 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11336 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11337 (attr_string): Do not read the character one past the length of
11339 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11340 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11341 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11342 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11343 (make_automaton_attrs): New.
11344 (main): Do not call into genautomata. Call local gen_bypass
11345 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11346 Remove special case for insn_alts.
11347 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11348 varray.h (leftover from previous change). Prune set of forward
11349 function declarations. Remove state_alts fields from all
11350 structures. Remove state_alts_table from struct automaton.
11351 Make everything except main static. Do not maintain num_dfa_decls.
11352 Do not maintain state_alts fields of various structures.
11353 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11354 (add_arc): Remove state_alts argument. All callers updated.
11355 (output_reserved_units_table): Emit #ifdef here...
11356 (output_tables): ...not here. Don't generate state_alts tables.
11357 (expand_automata): Don't generate attributes.
11358 (write_automata): Don't generate state_alts functions.
11359 (main): New function.
11360 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11361 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11362 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11363 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11364 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11365 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11366 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11367 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11369 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11370 * genattrtab.h: Delete file.
11371 * Makefile.in (OBJS-common): Add insn-automata.o.
11372 (insn-automata.o): New rule.
11373 (simple_generated_c): Add insn-automata.c.
11374 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11375 (genprogmd): Add automata.
11376 (build/genattrtab): Needs no extra objects nor libraries.
11377 (build/genautomata): Needs build/vec.o and -lm.
11379 2006-01-22 Zack Weinberg <zackw@panix.com>
11381 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11382 (output_dfa_max_issue_rate, locked_states_num): Delete.
11383 (struct automaton): Add locked_states field.
11384 (output_dead_lock_vect): Save number of locked states in
11385 automaton->locked_states. If it is zero, don't print anything.
11386 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11387 (output_internal_dead_lock_func): Only test the dead_lock_vect
11388 for automata that have locked states.
11389 (output_statistics): Always print the number of locked states for
11390 each automaton. Calculate total number of locked states here.
11391 (write_automata): Don't call output_dfa_max_issue_rate.
11392 * genattrtab.c: Define length_unit_log as a const variable.
11393 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11394 max_insn_queue_index const.
11395 * final.c (length_unit_log): Declare const.
11396 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11398 2006-01-22 Zack Weinberg <zackw@panix.com>
11400 * genautomata.c: Include vec.h, not varray.h.
11401 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11402 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11403 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11404 VEC_* macros operating on appropriately typed vectors, or to
11405 malloced arrays when the size is known in advance. Const-ify
11406 many char* variables and function arguments. No functional changes.
11407 * Makefile.in (build/varray.o): Delete rule.
11408 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11409 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11411 2006-01-22 Zack Weinberg <zackw@panix.com>
11413 * gensupport.c: Define get_insn_name and record_insn_name here.
11414 (read_md_rtx): Call record_insn_name as appropriate.
11415 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11416 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11417 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11419 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11420 (BUILD_VARRAY): Delete.
11421 (genprognormal): Rename genprogmd. Fold in all programs from
11422 genprognoprint; also attrtab.
11423 (build/genattrtab): Just mention genautomata.o and varray.o.
11424 Reorganize a bit, add comments to make the categories clearer.
11426 2006-01-22 Zack Weinberg <zackw@panix.com>
11428 * genconditions.c (condition_table, add_condition): Delete.
11429 (write_conditions): Don't emit n_insn_conditions nor
11430 insn_elision_unavailable. Issue the gcc version #ifdef here,
11431 inside the table, with no #else clause ...
11432 (write_header): ...not here.
11433 (write_writer): New function.
11434 (main): Don't initialize condition_table. Use add_c_test.
11436 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11437 files on the command line.
11438 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11439 Return -1 if there is no entry in the table, don't abort.
11440 (add_c_test, traverse_c_tests): New functions.
11441 * gensupport.h (insn_elision_unavailable, insn_conditions)
11442 (n_insn_conditions): Delete declarations.
11443 (add_c_test, traverse_c_tests): Declare.
11444 * read-rtl.c: Include gensupport.h.
11445 (read_conditions): New function.
11446 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11447 (read_rtx_1): If we get EOF when we were looking for an initial
11448 open paren, return 0. Call read_conditions when appropriate.
11449 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11450 dummy-conditions.o. Eliminate references to insn-conditions.o,
11451 or change them to build/gencondmd.o, as appropriate. Remove
11452 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11453 from $(simple_generated_c). For all files remaining in those
11454 two lists, add insn-conditions.md to the generator command line.
11455 Give insn-constants.h/s-constants their own rules. Add rules
11456 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11457 (build/read-rtl.o): Depend on gensupport.h.
11458 (genprognormal): Include preds.
11459 (genprogearly): Rename genprognoprint; only difference is now that
11460 they don't link with $(BUILD_PRINT).
11461 * dummy-conditions.c: Delete.
11463 2006-01-22 Zack Weinberg <zackw@panix.com>
11465 * genextract.c: Don't include insn-config.h. Do include vec.h.
11466 Declare vectors of int, char, and locstr.
11467 (locstr): New typedef.
11468 (struct extraction): Make all array fields into bare pointers.
11469 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11470 (insn_code_number): Delete.
11471 (accum_extract): New struct.
11472 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11473 (gen_insn): Take insn_code_number as an argument. Use an
11474 accum_extract structure instead of loading data directly into
11475 a struct extraction, and having to know how big it might get.
11476 (walk_rtx): Operate entirely on an accum_extract structure.
11477 (print_path): Avoid unnecessary use of printf.
11478 (print_header): New function, split out of main. Distinguish
11479 more carefully between an unrecognizable insn and an insn that
11480 has the code number of a define_expand.
11481 (main): Pass insn_code_number to gen_insn. Call print_header
11482 only after parsing. Avoid unnecessary use of printf.
11483 * Makefile.in (build/vec.o): New rule.
11484 (build/genextract): Depend on build/vec.o.
11485 (build/genextract.o): Don't depend on insn-config.h.
11487 2006-01-22 Zack Weinberg <zackw@panix.com>
11489 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11490 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11491 practical. Eliminate per-generator-program link rules.
11493 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11495 PR middle-end/24437
11496 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11497 with a call expr to ...
11498 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11500 2006-01-23 Richard Guenther <rguenther@suse.de>
11502 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11503 before make_edge with conditional EDGE_TRUE_VALUE.
11505 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11506 Jan Hubicka <jh@suse.cz>
11507 Richard Guenther <rguenther@suse.de>
11509 PR rtl-optimization/25654
11510 * cfgexpand.c (aggregate_contains_union_type): New function.
11511 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11512 for structure variables that contain a union type.
11514 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11516 * gengtype.c (new_structure): Return the structure.
11517 (create_option): Add an extra "next" argument.
11518 (create_field): New function.
11519 (adjust_field_rtx_def): Use create_option and create_field.
11520 Remove a now-unnecessary call to find_structure.
11521 (adjust_field_tree_def): Likewise.
11522 (note_yacc_type): Remove an unnecessary call to find_structure.
11523 * gengtype.h (new_structure): Return the structure.
11524 (create_option): Add an extra argument.
11525 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11526 (option): Adjust calls to create_option.
11528 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11530 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11532 2006-01-22 Paul Brook <paul@codesourcery.com>
11533 Peter Barada <peter@the-baradas.com>
11535 * config/m68k/m68k.md: Add Coldfire FPU support.
11536 Define FP mode macro and associated attributes.
11537 Use it for float mode patterns.
11538 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11539 (LIBCALL_VALUE): Use m68k_libcall_value.
11540 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11541 (m68k_function_value): Ditto.
11542 (emit_move_sequence): Ditto.
11543 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11544 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11545 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11546 (MULTILIB_EXCEPTIONS): Ditto.
11547 * config/m68k/m68k.opt: Add mcfv4e.
11548 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11549 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11550 (m68k_output_function_prologue): Save ColdFire FPU registers.
11551 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11552 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11553 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11554 ColdFire FPU registers.
11555 (m68k_libcall_value, m68k_function_value): New functions.
11556 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11557 (LIBCALL_VALUE): Use m68k_libcall_value.
11558 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11559 (MASK_COLDFIRE): Add MASK_CFV4E.
11560 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11561 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11562 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11563 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11564 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11565 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11566 * doc/invoke.tex: Document -mcfv4e on m68k.
11568 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11570 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11573 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11576 * c-opts.c (c_common_handle_option): Don't include
11577 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11578 * doc/invoke.texi (C++ Dialect Options): Document that
11579 -Wnon-virtual-dtor is no longer included in -Wall.
11581 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11583 * gcov.c (print_version), gcov-dump.c (print_version),
11584 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11587 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11589 * df-scan.c (problem_SCAN): Added NULL reset function.
11590 (df_scan_reset_blocks): Added code to call reset block function
11591 (df_bb_refs_delete) Fixed comment.
11592 (df_insn_refs_delete): Made tolerant of deleting non existent info
11593 for dataflow problems that need to be reset.
11594 * df-core.c (df_set_blocks): Ditto.
11595 * df.h (struct df_problem): Added reset_fun.
11596 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11597 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11598 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11599 functions to clear out all references to def-use or use-def chains.
11601 2006-01-21 Ben Elliston <bje@au.ibm.com>
11603 * varasm.c (assemble_real): Initialise data array.
11605 2006-01-20 Paul Brook <paul@codesourcery.com>
11607 Merge from csl-arm-branch.
11608 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11609 * config/arm/arm.md (movdi): Force operands[1] to a register
11610 if we have a non-register source.
11611 (*arm_movdi, *movdf_soft_insn): Require that one of the
11612 operands be a register.
11613 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11614 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11616 2006-01-20 DJ Delorie <dj@redhat.com>
11618 * varasm.c (initializer_constant_valid_p): Allow pointers
11619 initialized from integer constants of lesser precision.
11620 (output_constant): Allow non-int-sized pointer modes to be
11621 initialized from integer constants.
11623 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11626 * cppdefault.h (struct default_include): Add multilib flag.
11627 * cppdefault.c (cpp_include_defaults): Set it.
11628 * c.opt (-imultilib): New option.
11629 * c-opts.c (imultilib): New.
11630 (c_common_handle_option): Handle -imultilib.
11631 (c_common_post_options): Likewise.
11632 * c-incpath.c (add_standard_paths, register_include_chains):
11634 * c-incpath.h (register_include_chains): Add extra parameter.
11635 * gcc.c (do_spec_1): Generate -imultilib option.
11636 (The Specs Language): Update %I description.
11637 (process_command): Update copyright notice.
11638 * doc/cppopts.texi (-imultilib): Document.
11639 * doc/invoke.texi (-imultilib): Include in option summary.
11640 (%I): Update specs documentation.
11642 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11644 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11646 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11648 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11651 2006-01-20 Richard Guenther <rguenther@suse.de>
11652 Steven Bosscher <stevenb.gcc@gmail.com>
11654 PR rtl-optimization/24626
11655 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11656 EDGE_TRUE_VALUE if in RTL mode.
11659 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11660 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11662 2006-01-20 Dirk Mueller <dmueller@suse.com>
11665 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11666 instead of a special NOP marker.
11667 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11668 NOP marker handling.
11669 * c-common.h (empty_body_warning): Add forward declaration.
11670 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11671 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11673 2006-01-20 Paul Brook <paul@codesourcery.com>
11675 * Makefile.in (lang_checks): Keep going if mkdir fails.
11677 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11679 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11680 be able to clean out basic block when not necessary.
11681 (df_scan_free): Fixed to properly delete information if df is
11682 unused before calling df_finish.
11683 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11684 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11686 (df_bb_refs_delete): New function.
11687 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11688 * df-core.c (df_set_blocks): Added code to properly clean out
11689 unused blocks if they are not part of the blocks to consider.
11690 Added additional null check.
11691 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11692 be able to clean out basic block when not necessary
11693 * df.h (df_free_bb_function): Ditto.
11694 (df_bb_refs_delete): New function.
11695 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11696 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11697 basic block parameter to be able to clean out basic block when not
11699 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11700 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11701 Fixed to properly delete information if df is unused before
11704 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11706 PR rtl-optimization/25799
11707 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11708 Corrected confluence operator to remove bits from op2 before oring
11709 with op1 rather than removing bits from op1.
11710 (df_ru_transfer_function): Corrected test on wrong bitmap which
11711 caused infinite loop. Both of these problems were introduced in
11712 the dataflow rewrite.
11714 2006-01-19 DJ Delorie <dj@redhat.com>
11716 * reload1.c (find_reload_regs): Note the details of reload
11717 failures in the dump file.
11718 (spill_failure): Likewise.
11720 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11722 * loop-iv.c: Include df.h and hashtab.h.
11723 (enum iv_grd_result): New enum.
11724 (DF_REF_IV, DF_REF_IV_SET): New macros.
11725 (struct biv_entry): New.
11726 (df, bivs): New global variables.
11727 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11728 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11730 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11731 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11732 analyzed_for_bivness_p, record_biv): New functions.
11733 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11734 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11735 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11737 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11739 (iv_number_of_iterations): Use new interface to iv analysis.
11740 * loop-unroll.c: Do not include varray.h.
11741 (analyze_iv_to_split_insn): Use new interface to iv
11743 * loop-unswitch.c (may_unswitch_on): Ditto.
11744 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11746 (df_bb_modify): Realloc tables to the new index.
11747 (df_find_use): New function.
11748 * df.h (df_find_use): Declare.
11749 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11751 * cfgloop.h (struct rtx_iv): Remove analysed field.
11752 (iv_get_reaching_def): Removed.
11753 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11754 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11755 (loop-iv.o): Add df.h and hashtab.h dependency.
11756 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11758 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11761 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11763 (__floatundisf, __floatundidf): Likewise.
11764 * libgcc2.h (IS_IBM_EXTENDED): Define.
11766 2006-01-19 DJ Delorie <dj@redhat.com>
11768 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11770 2006-01-19 Paul Brook <paul@codesourcery.com>
11772 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11773 as nothrow when unwinding tables are disabled.
11775 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11778 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11779 of bit-field" when in system header.
11781 2006-01-19 DJ Delorie <dj@redhat.com>
11783 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11784 the 16 bit shift limit of the m16c.
11786 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11789 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11790 * config/i386/i386.c (output_set_got): Output the label if we have one
11791 for the TARGET_DEEP_BRANCH_PREDICTION case.
11793 2006-01-19 Jan Hubicka <jh@suse.cz>
11794 H.J. Lu <hongjiu.lu@intel.com>
11795 Evandro Menezes <evandro.menezes@amd.com>
11797 * invoke.texi (generic): Document
11799 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11800 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11801 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11802 (x86_use_incdec, x86_pad_returns): New variables
11803 (TARGET_CPU_DEFAULT_generic): New constant
11804 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11805 (enum processor_type): Add generic32 and generic64.
11806 * i386.md (cpu attribute): Add generic32/generic64
11807 (movhi splitter): Behave sanely when both partial_reg_dependency and
11808 partial_reg_stall are set.
11809 (K8 splitters): Enable for generic as well.
11810 * predicates.md (incdec_operand): Use TARGET_INCDEC
11811 (aligned_operand): Avoid memory mismatch stalls.
11812 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11813 * ppro.md: Enable for generic32
11814 * i386.c (generic64_cost, generic32_cost): New.
11815 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11816 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11817 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11818 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11819 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11820 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11821 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11822 x86_accumulate_outgoing_args, x86_prologue_using_move,
11823 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11824 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11825 Enable for generic.
11826 (x86_use_incdec, x86_pad_returns): New.
11827 (override_options): Add generic32 and generic64, translate "generic"
11828 to generic32/generic64 and "i686" to "generic32", refuse
11829 "generic32"/"generic64" as arch target.
11830 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11831 (ix86_reorg): Honor PAD_RETURNS.
11833 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11835 * tree-pretty-print.c (dump_generic_node): Handle
11836 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11837 * cgraph.c (cgraph_expand_queue): Rename from
11838 cgraph_analyze_queue. Update all users.
11839 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11840 cgraph_expand_queue.
11841 (cgraph_expand_all_functions): Likewise.
11842 (cgraph_finalize_pending_functions): Remove. Update callers.
11844 * tree.h (OMP_DIRECTIVE_P): Define.
11845 (OMP_PARALLEL_FN): Define.
11846 (OMP_PARALLEL_DATA_ARG): Define.
11847 (OMP_SECTIONS_SECTIONS): Define.
11848 * tree-pass.h (pass_expand_omp): Declare.
11849 * omp-low.c (struct omp_region): Declare.
11850 (struct omp_context): Remove fields 'parallel_type',
11851 'parallel_start_ix' and 'parallel_start_additional_args'.
11853 (struct omp_for_data): Rename from struct expand_omp_for_data.
11854 (omp_regions): New static variable.
11855 (root_omp_region): New static variable.
11856 (find_omp_clause): Make static.
11857 (is_in_combined_parallel_ctx): Remove.
11858 (is_combined_parallel): New.
11859 (extract_omp_for_data): Move earlier in the file.
11860 (workshare_safe_to_combine_p): New.
11861 (get_ws_args_for): New.
11862 (determine_parallel_type): Move earlier in the file.
11863 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11865 (omp_copy_decl): Likewise.
11866 (create_omp_child_function): Likewise.
11867 (lookup_omp_region): New.
11868 (dump_omp_region): New.
11869 (debug_omp_region): New.
11870 (debug_all_omp_regions): New.
11871 (new_omp_region): New.
11872 (scan_omp_parallel): If parallel_nesting_level > 1, the
11873 directive is nested within another parallel directive.
11874 Set OMP_PARALLEL_FN.
11875 (scan_omp_for): Do not try to handle combined parallel+for
11877 Remove FIXME comment.
11878 (scan_omp_nested): Remove.
11879 (scan_omp_1): Do not call scan_omp_nested when
11880 parallel_nesting_level is > 1.
11881 Do not change the DECL_CONTEXT of local variables found.
11882 (lookup_decl_in_outer_ctx): New.
11883 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11884 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11885 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11886 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11887 If CTX is nested, lookup VAR in the outer context when
11888 building copy assignment.
11889 (lower_send_clauses): Rename from expand_send_clauses.
11890 If CTX is nested, lookup VAR in the outer context when
11891 building copy assignments.
11892 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11893 If CTX is nested, lookup VAR in the outer context when
11894 building copy assignments.
11895 (expand_parallel_call): Rename from build_parallel_call.
11896 Handle combined parallel+workshare cases.
11897 Re-implement to emit code into the CFG.
11899 (expand_omp_parallel): Re-implement to emit code into the CFG.
11900 Call move_sese_region_to_fn to outline the sub-graph
11901 containing the parallel region.
11902 (expand_omp_for_1): Remove.
11903 (expand_omp_for_generic): Re-implement to emit code into the
11905 (expand_omp_for_static_nochunk): Likewise.
11906 (expand_omp_for_static_chunk): Likewise.
11907 (expand_omp_for): Likewise.
11908 (expand_omp_sections): Likewise.
11909 (remove_exit_barriers): New.
11910 (expand_omp_synch): New.
11912 (build_omp_regions_1): New.
11913 (build_omp_regions): New.
11914 (execute_expand_omp): New.
11915 (gate_expand_omp): New.
11916 (pass_expand_omp): Define.
11917 (lower_omp_sections): Rename from expand_omp_sections.
11918 Set OMP_SECTIONS_SECTIONS.
11919 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11920 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11921 (lower_omp_single): Rename from expand_omp_simple.
11922 (lower_omp_master): Rename from expand_omp_master.
11923 (lower_omp_ordered): Rename from expand_omp_ordered.
11924 (lower_omp_critical): Rename from expand_omp_critical.
11925 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11926 (lower_omp_for): Re-implement.
11927 (lower_omp_parallel): Re-implement.
11928 (lower_regimplify): Rename from expand_regimplify.
11929 (lower_omp_1): Rename from expand_omp_1.
11930 If there are syntax errors in the program, replace every
11931 OpenMP directive with NOP.
11932 Call lower_omp_* instead of expand_omp_*.
11933 (lower_omp): Rename from expand_omp.
11935 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11936 * tree-gimple.h (enum omp_parallel_type): Remove.
11937 (gimple_boolify): Declare extern.
11938 (find_omp_clause, determine_parallel_type): Remove.
11940 * gimple-low.c (lower_omp_directive): New.
11941 (lower_stmt): Call it.
11942 (record_vars_into): Move from ...
11943 (record_vars): ... here.
11944 Call record_vars_into with current_function_decl.
11946 * gimplify.c (struct gimplify_ctx): Remove fields
11947 combined_pre_p and combined_ctxp. Update users.
11948 (get_formal_tmp_var): Add documentation.
11949 (gimple_boolify): Make extern.
11950 (gimplify_expr_in_ctx): Remove. Update callers.
11951 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11952 will always be a BIND_EXPR.
11953 (gimplify_expr): Handle OMP_RETURN_EXPR.
11954 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11955 (OMP_PARALLEL): Add 3 operands.
11956 (OMP_SECTIONS): Add 1 operand.
11957 (OMP_RETURN_EXPR): Define.
11959 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11960 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11961 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11962 creating a circular free list.
11963 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11965 * tree-flow.h (move_sese_region_to_fn): Declare.
11966 (record_vars_into): Declare.
11967 * tree-cfg.c (make_omp_sections_edges): New.
11968 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11969 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11970 OMP_SECTIONS and OMP_SECTION.
11971 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11972 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11973 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11974 (gather_blocks_in_sese_region): New.
11975 (struct move_stmt_d): Declare.
11976 (move_stmt_r): New.
11977 (move_block_to_fn): New.
11978 (move_sese_region_to_fn): New.
11980 * passes.c (init_optimization_passes): Schedule
11981 pass_expand_omp after pass_init_datastructures.
11983 * tree-ssa-operands.c (get_expr_operands): Handle
11984 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11985 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11987 2006-01-19 Jeff Law <law@redhat.com>
11989 * tree-vrp.c (extract_range_from_assert): Refine the result range
11990 if the variable referenced by the ASSERT_EXPR has a range and
11991 either the tentative result range or the previous range is a
11994 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11996 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11998 2006-01-19 Jan Hubicka <jh@suse.cz>
12000 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12002 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12004 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12005 (expand_compound_operation, expand_field_assignment): Fail if the
12006 bit lengths of an extract operation are out of range.
12007 (make_extraction): Compute wanted_inner_mode based on the position
12008 and length of the extraction. Make it extraction_mode for non-constant
12009 positions, and do not modify offset in that case. When generating a
12010 new MEM, use a mode that can hold the extraction while keeping correct
12011 alignment. Remove code that supported MEMs wrapped by USEs.
12012 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12014 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12016 * config/s390/s390.md ("Y", "y"): New mode attribute.
12017 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12018 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12019 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12020 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12021 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12022 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12023 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12024 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12025 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12026 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12027 "addsi3", "subsi3"): Insn patterns removed.
12028 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12029 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12030 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12031 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12032 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12033 "*sub<mode>3_cconly2"): New insn patterns.
12034 ("addsi3", "subsi3"): New expanders.
12036 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12038 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12039 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12040 existing STMT_VINFO_VECTYPE if available.
12041 (vect_mark_relevant): Add special handling for stmts that are
12042 marked as STMT_VINFO_IN_PATTERN_P.
12043 (vect_analyze_loop): Call vect_pattern_recog.
12044 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12045 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12047 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12048 (vect_recog_func_ptr): New function-pointer type.
12049 * tree-vect-patterns.c: New file.
12050 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12051 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12052 (vect_pattern_recog_1): New functions.
12053 (vect_pattern_recog_funcs): New array of function pointers.
12055 * tree-vectorizer.h (ternary_op): New enum value.
12056 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12057 declaration. Revised documentation. Removed redundant dump prints.
12058 Removed redundant argument. Added support for reduction patterns.
12059 (vectorizable_reduction): Added support for reduction patterns.
12060 (vect_transform_stmt): Added support for patterns.
12062 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12063 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12064 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12065 (expand_widen_pattern_expr): New function.
12066 (init_optabs): Initialize new optabs udot_prod_optab,
12068 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12069 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12070 (expand_widen_pattern_expr): New function declaration.
12071 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12073 * tree-inline.c (estimate_num_insns_1): Added cases for new
12074 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12075 * tree-pretty-print.c (dump_generic_node): Likewise.
12076 (op_prio): Likewise.
12077 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12078 * tree-ssa-operands.c (get_expr_operands): Added case for
12080 * tree-vect-patterns.c (widened_name_p): New function.
12081 (vect_recog_dot_prod_pattern): Added function implementation.
12082 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12083 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12084 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12085 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12087 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12088 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12089 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12090 (init_optabs): Initialize new optabs widen_ssum_optab,
12092 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12093 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12094 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12095 use instead of type of def.
12096 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12097 function implementation.
12098 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12099 widen_ssumv8hi): New.
12101 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12104 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12107 * c-decl.c (add_flexible_array_elts_to_size): New function.
12108 (finish_decl): Use it.
12110 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12112 * diagnostic.h: Include options.h.
12113 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12114 dependancies for diagnostic.h.
12115 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12117 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12119 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12120 (ssa_ro_call_cache_valid): Ditto.
12121 * tree-ssa-alias.c (sort_tags_by_id): New function.
12122 (init_transitive_clobber_worklist): Ditto.
12123 (add_to_worklist): Ditto.
12124 (mark_aliases_call_clobbered): Ditto.
12125 (compute_tag_properties): Ditto.
12126 (set_initial_properties): Ditto.
12127 (compute_call_clobbered): Ditto.
12128 (compute_may_aliases): Call compute_call_clobbered and grouping.
12129 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12130 (compute_flow_insensitive_aliasing): Grouping now happens in our
12132 (setup_pointers_and_addressables): Remove clobbering related code.
12133 (add_may_alias): Ditto.
12134 (replace_may_alias): Ditto.
12135 (get_nmt_for): Ditto.
12136 (create_global_var):
12137 (is_escape_site): Return an escape_type enumeration.
12138 * tree-flow-inline.h (is_call_clobbered): Global var does not
12139 imply call clobbered.
12140 (mark_call_clobbered): Take a reason for marking this. Remove
12141 marking of globalness, and cache invalidation.
12142 (clear_call_clobbered): Remove cache invalidation code.
12143 * tree-dfa.c (dump_variable): If details is on, dump the reason
12145 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12147 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12148 (struct var_ann_d): Ditto.
12149 (enum escape_type): New.
12150 (mark_call_clobbered): Adjust prototype.
12151 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12152 are never call clobbered.
12153 Record reasons for escaping.
12154 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12155 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12156 (ssa_ro_call_cache_valid): Ditto.
12157 (clobbered_v_may_defs): Ditto.
12158 (clobbered_vuses): Ditto.
12159 (ro_call_vuses): Ditto.
12160 (clobber_stats): New.
12161 (init_ssa_operands): Zero out clobber stats.
12162 (fini_ssa_operands): Print out clobber stats.
12163 (get_call_expr_operands): Pass callee fndecl to
12164 add_call_read_ops).
12165 (add_call_clobber_ops): Remove use of cache.
12166 Add use of PURE_CONST information.
12167 (add_call_read_ops): Remove use of cache.
12168 Add use of static not_read information.
12170 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12172 Introduce TLS descriptors for i386 and x86_64.
12173 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12174 (TARGET_ANY_GNU_TLS): New macro.
12175 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12176 (struct machine_function): Add tls_descriptor_call_expanded_p.
12177 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12178 (ix86_current_function_calls_tls_descriptor): Likewise.
12179 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12180 (override_options): Introduce gnu2 tls dialect.
12181 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12183 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12185 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12186 (ix86_init_machine_status): Initialize new field.
12187 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12188 (ix86_tls_module_base): New.
12189 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12190 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12191 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12192 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12193 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12194 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12195 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12196 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12197 * config/i386/predicates.md (tls_modbase_operand): New.
12198 (tp_or_register_operand): New.
12200 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12202 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12203 (look_for_address_of): Ditto.
12204 (ipa_init): Walk the function decls.
12205 (static_execute): Don't set readonly on FUNCTION_DECL's.
12207 2006-01-18 Roger Sayle <roger@eyesopen.com>
12209 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12210 for shifts where the source and destination registers are different.
12212 2006-01-18 Paul Brook <paul@codesourcery.com>
12214 Merge from csl-arm-branch.
12215 2005-03-14 Julian Brown <julian@codesourcery.com>
12216 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12217 (aeabi_llsl): Likewise.
12218 (ashrdi3): Likewise.
12219 (aeabi_lasr): Likewise.
12220 (lshrdi3): Likewise.
12221 (aeabi_llsr): Likewise.
12222 2005-03-10 Julian Brown <julian@codesourcery.com>
12223 * config.gcc: Disable shared libgcc for SymbianOS.
12224 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12226 2006-01-18 DJ Delorie <dj@redhat.com>
12228 * c-pragma.c (handle_pragma_diagnostic): New.
12229 (init_pragma): Register it.
12230 * doc/extend.texi: Document it.
12232 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12233 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12234 (diagnostic_context): Add classify_diagnostic[].
12235 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12236 as errors if they're overridden to DK_WARNING.
12237 (diagnostic_initialize): Initialize classify_diagnostic[].
12238 (diagnostic_set_kind_override): New.
12239 (diagnostic_report_diagnostic): Check for kind changes.
12240 * opts.c (common_handle_option): Take lang_mask. Update callers.
12241 Handle OPT_Werror_.
12242 * common.opt (Werror=): New.
12243 * doc/invoke.texi: Document -Werror=*
12245 2006-01-18 Jeff Law <law@redhat.com>
12247 * tree-vrp.c (test_for_singularity): Correct test for new
12248 min limit. Use operand_equal_p rather than pointer equality
12249 for testing if new min/max values are equal.
12251 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12252 using range information until after propagation and folding.
12254 2006-01-18 Richard Henderson <rth@redhat.com>
12255 Aldy Hernandez <aldyh@redhat.com>
12256 Jakub Jelinek <jakub@redhat.com>
12257 Diego Novillo <dnovillo@redhat.com>
12259 * omp-low.c: New file.
12260 * c-omp.c: New file.
12262 2006-01-18 Richard Henderson <rth@redhat.com>
12263 Jakub Jelinek <jakub@redhat.com>
12264 Diego Novillo <dnovillo@redhat.com>
12266 * doc/invoke.texi: Document -fopenmp.
12267 * tree-dump.h (debug_function): Declare.
12268 * hooks.c (hook_bool_tree_bool_false): New function.
12269 (hook_tree_tree_null): Remove.
12270 (hook_tree_tree_tree_null): New.
12271 * hooks.h: Update to match.
12272 * tree-pretty-print.c (debug_tree_chain): New.
12273 (print_generic_expr): Handle TDF_CHAIN.
12274 (dump_generic_node): Handle BLOCK.
12275 Do not abort with incomplete SWITCH_EXPRs.
12276 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12277 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12278 print space after directive name.
12279 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12280 Handle OMP_MASTER and OMP_ORDERED.
12281 Handle printing of OMP_BODY just in one place, goto
12282 dump_omp_body in the rest of OMP_* nodes that have
12284 Don't handle clause nodes here. Update omp statements to
12285 use dump_omp_clauses.
12286 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12287 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12288 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12289 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12290 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12291 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12292 Adjust output for GOMP_PARALLEL.
12293 (dump_omp_clauses): New.
12294 (print_declaration): Dump DECL_VALUE_EXPR.
12295 (op_symbol_1): Split out of op_symbol.
12296 (dumping_stmts): Remove. Update all users.
12297 * cgraph.c (cgraph_analyze_queue): New.
12298 (cgraph_add_new_function): New.
12299 * cgraph.h (cgraph_analyze_queue): Declare.
12300 (cgraph_add_new_function): Declare.
12301 (cgraph_lower_function): Remove.
12302 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12303 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12304 and TYPE_P nodes in its default clause.
12305 (empty_body_p): New.
12306 (tree_range_check_failed): New.
12307 (build5_stat): New.
12308 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12309 OMP_CLAUSE_REDUCTION_MERGE,
12310 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12311 OMP_CLAUSE_PRIVATE_DEBUG,
12312 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12313 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12314 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12315 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12316 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12317 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12318 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12319 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12320 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12321 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12322 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12323 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12324 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12325 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12326 (TREE_RANGE_CHECK): New.
12327 (empty_body_p): Declare.
12328 (enum omp_clause_default_kind): New.
12329 (build_string_literal): Declare.
12330 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12331 (build5_stat, build5): Declare.
12332 * tree-pass.h (TDF_CHAIN): Define.
12333 * tree-pass.h (PROP_gimple_lomp): Define.
12334 (pass_lower_omp): Declare.
12335 * diagnostic.h (debug_tree_chain): Declare.
12336 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12338 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12339 * builtins.c (build_string_literal): Make extern.
12340 * gcc.c (include_spec_function): New.
12341 (static_spec_functions): Add it.
12342 (main): Move load of libgomp.spec ...
12343 (LINK_COMMAND_SPEC): ... here.
12344 (link_gomp_spec): New.
12345 (static_specs): Include it.
12346 (LINK_COMMAND_SPEC): Add link_gomp.
12347 (GOMP_SELF_SPECS): New.
12348 (driver_self_specs): Include it.
12349 (switch_matches): Don't mark inline.
12350 (main): Load libgomp.spec.
12351 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12352 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12353 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12354 * tree-gimple.h (enum omp_parallel): Declare.
12355 (determine_parallel_type): Declare.
12356 (omp_firstprivatize_variable): Declare.
12357 (omp_reduction_init): Declare.
12358 (diagnose_omp_structured_block_errors): Declare.
12359 (struct walk_stmt_info): Add want_return_expr.
12360 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12361 (find_omp_clause): Declare.
12362 (insert_field_into_struct): Declare.
12363 (struct walk_stmt_info): Move from tree-nested.c
12364 (walk_stmts): Declare.
12365 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12367 * cgraphunit.c (cgraph_lower_function): Make static.
12368 (cgraph_finalize_pending_functions): New.
12369 (cgraph_finalize_function): Call it.
12370 (cgraph_finalize_compilation_unit): Likewise.
12371 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12372 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12373 (BT_FN_UINT_UINT): New.
12374 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12375 DEF_FUNCTION_TYPE_VAR_4): Document.
12376 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12377 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12378 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12379 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12380 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12381 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12382 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12383 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12384 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12385 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12386 into separate files.
12387 (DEF_GOMP_BUILTIN): New.
12388 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12389 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12390 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12391 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12392 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12393 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12394 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12395 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12396 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12397 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12398 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12399 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12400 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12401 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12402 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12403 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12404 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12405 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12406 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12407 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12408 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12409 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12410 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12411 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12412 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12413 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12414 * sync-builtins.def: New file, moved from builtins.def.
12415 * omp-builtins.def: New file, moved from builtins.def.
12416 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12417 * gimple-low.c (lower_function_body): Clear data.
12418 (lower_stmt): Do not handle COMPOUND_EXPR.
12419 Remove call to print_node_brief.
12420 * c-tree.h (c_finish_omp_clauses): New prototype.
12421 (C_DECL_THREADPRIVATE_P): Define.
12422 (lookup_name_no_remap, c_omp_remap_private): Remove
12423 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12424 (check_for_loop_decls): Update decl.
12425 (lookup_name_no_remap, c_omp_remap_private): Declare.
12426 (build_indirect_ref, build_modify_expr, pushdecl,
12427 pushdecl_top_level): Move to c-common.h.
12428 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12429 before the switch, but just in the 2 places that need it.
12430 * c-decl.c (diagnose_mismatched_decls): Do not check for
12431 mismatched thread-local attributes when OLDDECL is marked
12432 threadprivate and NEWDECL has no thread-local attributes.
12433 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12434 (c_gimple_diagnostics_recursively): Rename from
12435 c_warn_unused_result_recursively. Invoke
12436 diagnose_omp_structured_block_errors.
12437 (check_for_loop_decls): Return a singular decl found.
12438 * langhooks.c (lhd_omp_predetermined_sharing): Return
12439 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12440 (lhd_omp_firstprivatize_type_sizes): New.
12441 (lhd_omp_assignment): New.
12442 (lhd_omp_predetermined_sharing): New.
12443 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12444 (struct lang_hooks_for_types): Add
12445 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12446 omp_predetermined_sharing, omp_disregard_value_expr,
12447 omp_private_debug_clause, omp_clause_default_ctor,
12448 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12449 (c_finish_omp_clauses): New.
12450 (c_finish_bc_stmt): Diagnose break within omp for.
12451 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12452 (build_unary_op): Return error_mark after reporting
12454 (build_modify_expr): Likewise.
12455 * gimplify.c: Include optabs.h and pointer-set.h.
12456 (enum gimplify_omp_var_data): Declare.
12457 (struct gimplify_omp_ctx): Declare.
12458 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12460 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12461 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12462 (splay_tree_compare_decl_uid): New.
12463 (new_omp_context): New.
12464 (delete_omp_context): New.
12465 (gimple_add_tmp_var): Call omp_add_variable.
12466 (gimplify_bind_expr): Likewise.
12467 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12468 true, disregard DECL_VALUE_EXPR on the decl if any.
12469 (gimplify_expr_in_ctx): New.
12470 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12471 omp_add_variable, omp_notice_variable, omp_is_private
12472 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12473 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12474 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12475 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12476 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12477 gimplify_omp_atomic): New.
12478 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12479 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12480 OMP_CRITICAL and OMP_ATOMIC.
12481 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12482 * c-pragma.h (enum pragma_kind): Add
12483 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12484 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12485 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12486 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12487 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12488 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12489 PRAGMA_OMP_THREADPRIVATE.
12490 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12491 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12492 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12493 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12494 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12495 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12496 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12497 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12498 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12499 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12500 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12501 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12502 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12504 (struct nesting_info): Add field_map,
12505 suppress_expansion, debug_var_chain.
12506 (create_nesting_tree): Initialize them.
12507 (lookup_field_for_decl): Use field_map.
12508 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12509 (convert_local_omp_clauses): New.
12510 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12511 (walk_body): Split out of walk_function.
12512 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12513 (convert_nonlocal_reference): Handle omp statements.
12514 (convert_local_reference): Likewise.
12515 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12516 (unnest_nesting_tree): New.
12517 (lower_nested_functions): Call it.
12518 (insert_field_into_struct): Make extern.
12519 (struct walk_stmt_info): Move to tree-gimple.h.
12520 (walk_stmts): Make extern.
12521 * omp-builtins.def: New file.
12522 * tree-iterator.c (expr_only): Clarify comment.
12523 * c-common.h (pushdecl_top_level, pushdecl,
12524 build_modify_expr, build_indirect_ref,
12525 c_finish_omp_master, c_finish_omp_critical,
12526 c_finish_omp_ordered, c_finish_omp_barrier,
12527 c_finish_omp_atomic, c_finish_omp_flush,
12528 c_finish_omp_for, c_split_parallel_clauses,
12529 omp_clause_default_kind, c_omp_sharing_predetermined,
12530 c_omp_remap_decl): Declare.
12531 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12532 (OBJS-common): Add omp-low.o.
12533 (c-omp.o, omp-low.o): Add.
12534 (gimplify.o): Add dependency on $(OPTABS_H).
12535 (GTFILES): Add omp-low.c.
12536 (gt-stringpool.h): Add.
12537 * tree-cfg.c (set_bb_for_stmt): Do not update the
12538 block-to-labels map if we are currently expanding to RTL.
12539 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12541 Handle IDENTIFIER_NODE.
12542 (tree_verify_flow_info): Do not ICE when emitting error
12543 messages about invalid labels.
12544 (dump_function_to_file): Reset CFUN before emitting the body
12546 (debug_function): New.
12547 * passes.c (init_optimization_passes): Schedule
12549 * langhooks-def.h (lhd_omp_predetermined_sharing,
12550 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12552 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12553 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12554 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12555 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12556 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12557 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12558 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12559 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12560 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12561 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12562 (LANG_HOOK_DECLS): Use them.
12564 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12565 Richard Henderson <rth@redhat.com>
12566 Jakub Jelinek <jakub@redhat.com>
12567 Diego Novillo <dnovillo@redhat.com>
12569 * c-parser.c (pragma_omp_clause): Define.
12570 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12571 (c_parser_compound_statement): Likewise.
12572 (c_parser_statement): Likewise.
12573 (c_parser_pragma): Handle omp pragmas.
12574 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12575 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12576 (c_parser_omp_clause_name, check_no_duplicate_clause,
12577 c_parser_omp_variable_list,
12578 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12579 c_parser_omp_clause_copyprivate,
12580 c_parser_omp_clause_default,
12581 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12582 c_parser_omp_clause_lastprivate,
12583 c_parser_omp_clause_nowait,
12584 c_parser_omp_clause_num_threads,
12585 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12586 c_parser_omp_clause_reduction,
12587 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12588 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12589 c_parser_omp_atomic, c_parser_omp_barrier,
12590 c_parser_omp_critical, c_parser_omp_flush,
12591 c_parser_omp_for_loop, c_parser_omp_for,
12592 c_parser_omp_master, c_parser_omp_ordered,
12593 c_parser_omp_sections_scope, c_parser_omp_sections,
12594 c_parser_omp_parallel, c_parser_omp_single,
12595 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12596 * c-pragma.c (init_pragma): Do omp pragma registration here.
12597 * c.opt (fopenmp): New flag.
12599 2006-01-18 Eric Christopher <echristo@apple.com>
12601 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12602 * config/darwin.h (GOMP_SELF_SPECS): Define.
12604 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12606 * rtl.h: Remove the prototype for reg_alloc.
12608 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12611 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12612 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12613 sjlj and dwarf2 exception handling.
12614 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12615 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12616 * pa/pa.c (function_value): Treat complex and vector types as
12618 (function_arg): Likewise. Only pass scalar floats in the floating
12619 point argument registers.
12620 * pa/t-slibgcc-dwarf-ver: New file.
12621 * pa/t-slibgcc-sjlj-ver: New file.
12622 * pa/t-slibgcc-elf-ver: Delete file.
12624 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12626 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12627 unlikely_test_section_p test.
12629 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12631 * mode-switching.c (optimize_mode_switching): Make it static.
12632 * basic-block.h: Remove the prototype for
12633 optimize_mode_switching.
12635 * modulo-sched.c (sms_schedule): Make it static.
12636 * rtl.h: Remove the prototype for sms_schedule.
12638 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12639 * rtl.h: Remove the prototype for gcse_after_reload_main.
12641 * reg-stack.c (reg_to_stack): Make it static.
12642 * rtl.h: Remove the prototype for reg_to_stack.
12644 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12646 * rtl.h: Remove the prototypes for regrename_optimize and
12647 copyprop_hardreg_forward.
12649 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12651 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12652 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12653 Test against the appropriate null constant for the mode.
12654 If 'fixup_overlap' is true, swap the operands if they overlap.
12655 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12656 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12657 alpha_split_tmode_pair and adjust for above change.
12658 * config/alpha/alpha.md (movtf_internal): Adjust call to
12659 alpha_split_tfmode_pair and rely on it to swap the operands.
12660 (movti_internal): New insn and post-reload splitter.
12661 (movti): New expander.
12663 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12665 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12668 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12670 * rtlanal.c (global_reg_mentioned_p_1,
12671 global_reg_mentioned_p): Remove.
12672 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12674 * flow.c (initialize_uninitialized_subregs): Make it static.
12675 * rtl.h: Remove the prototype for
12676 initialize_uninitialized_subregs.
12678 * function.c (instantiate_virtual_regs): Make it static.
12679 * function.h: Remove the prototype for
12680 instantiate_virtual_regs.
12682 * regmove.c (regmove_optimize, combine_stack_adjustments):
12684 * rtl.h: Remove the prototypes for regmove_optimize and
12685 combine_stack_adjustments.
12687 2006-01-17 Roger Sayle <roger@eyesopen.com>
12689 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12690 (size_cost): Encode costs in bytes so that a reg-reg addition is
12691 equivalent to COSTS_N_INSNS(1).
12692 (override_options): Use the size_cost.branch_cost as the default
12693 ix86_branch_cost when optimizing for size.
12695 2006-01-18 Ben Elliston <bje@au.ibm.com>
12697 * Makefile.in (D32PBIT_FUNCS): New.
12698 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12699 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12700 D64PBIT_FUNCS and D128PBIT_FUNCS.
12701 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12702 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12704 (decnumber_dep): Define.
12705 * doc/libgcc.texi (Decimal float library routines): New node.
12706 * config/dfp-bit.h, config/dfp-bit.c: New files.
12708 2006-01-18 Ben Elliston <bje@au.ibm.com>
12710 * expr.c (emit_move_change_mode): Always adjust addresses, not
12711 just during reload. Copy replacements only during reload.
12712 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12713 emit_move_via_integer.
12715 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12717 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12718 instead of $(srcdir) and ${srcdir}.
12720 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12723 PR middle-end/11135
12724 * arm.h (struct machine_function): Add pic_reg.
12725 * arm.c (arm_pic_register): Make unsigned.
12726 (arm_override_options): Only set arm_pic_register if
12727 TARGET_SINGLE_PIC_BASE.
12728 (use_return_insn): Only test for a pic register if it is fixed.
12729 (arm_compute_save_reg0_reg12_mask): Likewise.
12730 (thumb_compute_save_reg_mask): Likewise.
12731 (legitimate_pic_operand): Factor out some known invariants.
12732 (legitimize_pic_address): If we don't have a fixed pic register,
12733 then set up a pseudo in the function entry sequence. Handle the
12734 pic base being in a pseudo.
12735 (arm_load_pic_register): Handle the pic register being in a pseudo.
12736 (arm_expand_prologue): Only set up the pic register if it is fixed.
12737 (thumb_expand_prologue): Likewise.
12738 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12739 (pic_load_addr_based_insn): Likewise.
12740 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12743 2006-01-18 Ben Elliston <bje@au.ibm.com>
12745 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12746 decimal float modes for all floating point registers.
12748 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12749 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12751 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12754 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12755 even when the pointer is not NULL.
12757 2006-01-16 Ian Lance Taylor <ian@airs.com>
12759 * common.opt (ftoplevel-reorder): New option.
12760 * cgraph.c (cgraph_asm_nodes): New global variable.
12761 (cgraph_asm_last_node): New static variable.
12762 (cgraph_order): New global variable.
12763 (cgraph_create_node): Set new order field.
12764 (cgraph_varpool_node): Likewise.
12765 (decide_is_variable_needed): Return true if not
12766 flag_toplevel_reorder.
12767 (cgraph_add_asm_node): New function.
12768 * cgraph.h (struct cgraph_node): Add order field.
12769 (struct cgraph_varpool_node): Add order field.
12770 (struct cgraph_asm_node): Define.
12771 (cgraph_asm_nodes, cgraph_order): Declare.
12772 (cgraph_add_asm_node): Declare.
12773 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12775 (cgraph_varpool_assemble_pending_decls): Call it.
12776 (cgraph_output_pending_asms): New static function.
12777 (cgraph_finalize_compilation_unit): Call it.
12778 (struct cgraph_order_sort): Define.
12779 (cgraph_output_in_order): New static function.
12780 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12781 !flag_toplevel_reorder case.
12782 * c-parser.c: Include "cgraph.h".
12783 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12785 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12786 than -fno-unit-at-a-time.
12787 * doc/invoke.texi (Option Summary): Mention
12788 -fno-toplevel-reorder.
12789 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12790 -funit-at-a-time documentation.
12792 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12793 Kazu Hirata <kazu@codesourcery.com>
12795 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12797 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12799 * Makefile.in (FUNCTION_H): New. Use it instead of
12800 function.h throughout the file.
12801 * function.h: Include tree.h.
12803 2006-01-17 Ben Elliston <bje@au.ibm.com>
12805 * recog.c: Separate some functions with whitespace.
12807 2006-01-16 Richard Henderson <rth@redhat.com>
12809 Merge from gomp branch:
12810 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12811 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12812 and rename from struct inline_data. Rename callee* to dst*;
12813 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12814 transform_new_cfg, transform_return_to_modify, and
12815 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12817 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12818 (copy_decl_for_dup): Remove.
12819 * tree-inline.c (struct inline_data): Move to header.
12820 (insert_decl_map): Export.
12821 (remap_decl): Update for member name changes. Use copy_decl hook.
12822 Allow for replacement to be a non-decl. Remove dead code.
12823 (remap_type_1): Check for existing mapping.
12824 (remap_type): Export.
12825 (remap_decls): Update for member name changes.
12826 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12827 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12828 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12829 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12830 (tree_function_versioning, build_duplicate_type): Likewise.
12831 (copy_body_r): Likewise. Export.
12832 (copy_decl_for_dup): Split into ...
12833 (copy_decl_for_dup_finish, copy_decl_to_var,
12834 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12835 (replace_ref_tree, inlining_p): Remove.
12837 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12839 * ifcvt.c (if_convert): Make it static.
12840 * rtl.h: Remove the prototype for if_convert.
12842 * local-alloc.c (local_alloc): Make it static.
12843 * rtl.h: Remove the prototype for local_alloc.
12845 * loop.c (loop_optimize): Make it static.
12846 * cfgloop.h: Remove the prototype for loop_optimize.
12849 2006-01-16 DJ Delorie <dj@redhat.com>
12851 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12854 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12856 * pa.md: Disparage copies between general and floating-point registers
12857 in 32-bit move patterns.
12859 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12862 * Makefile.in (check-%): Depend on site.exp instead of
12863 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12866 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12868 * global.c (global_alloc): Make it static.
12869 * rtl.h: Remove the prototype for global_alloc.
12871 2006-01-16 Richard Guenther <rguenther@suse.de>
12873 * tree-ssa-alias.c (struct used_part): Add write_only field.
12874 (get_or_create_used_part_for): Initialize it to true.
12875 (create_overlap_variables_for): Don't create structure variables
12876 for structures that only are written to.
12877 (find_used_portions): Handle MODIFY_EXPR to track whether a
12878 structure is only written to.
12880 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12882 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12884 * basic-block.h: Remove the prototype for
12885 partition_hot_cold_basic_blocks.
12887 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12889 * cppspec.c (lang_specific_spec_functions): Remove.
12890 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12891 * gcc.h (lang_specific_spec_functions): Remove.
12892 * gccspec.c (lang_specific_spec_functions): Remove.
12894 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12896 * combine.c (record_value_for_reg): Invalidate registers
12898 (record_dead_and_set_regs_1): Likewise, by passing them to
12899 record_value_for_reg.
12900 (record_dead_and_set_regs): Invalidate stores made by a
12901 call. We do not combine across a call, but we still
12902 relied on equivalences.
12904 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12906 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12907 vrp_int_const_binop returning non-constant nodes.
12909 2006-01-16 Paul Brook <paul@codesourcery.com>
12911 * config/m68k/m68k.c (output_move_const_into_data_reg):
12912 Output correct mnemonic for mvz and mvs.
12914 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12916 * rtl-factoring.c: Add sequence abstraction algorithm.
12917 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12918 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12920 (block_has_preserve_label): New function.
12921 * common.opt: Register new pass.
12922 * Makefile.in: Ditto.
12924 * timevar.def: Ditto.
12925 * tree-pass.h: Ditto.
12926 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12927 * rtl.h (make_jump_insn_raw): Add forward decl.
12928 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12930 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12931 Roger Sayle <roger@eyesopen.com>
12933 * fold-const.c (fold_minmax): New static function.
12934 (fold_binary) <MIN_EXPR>: Call it.
12935 <MAX_EXPR>: Likewise.
12936 * stor-layout.c (place_field): Use DECL_SIZE consistently
12937 in the computation of the new record size.
12939 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12941 * cse.c (cse_condition_code_reg): Make it static.
12942 * rtl.h: Remove the prototype for cse_condition_code_reg.
12944 * combine.c (combine_instructions): Make it static.
12945 * rtl.h: Remove the prototype for combine_instructions.
12947 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12950 * tree.c (get_file_function_name_long): Concatenate the first global
12951 object name with a string derived from the input filename of the object
12954 2006-01-16 Ben Elliston <bje@au.ibm.com>
12956 * config/i386/winnt-stubs.c: Update FSF address.
12957 * config/xtensa/ieee754-df.S: Ditto.
12958 * config/xtensa/ieee754-sf.S: Ditto.
12960 2006-01-14 Ian Lance Taylor <ian@airs.com>
12962 * ifcvt.c (noce_init_if_info): New static function, broken out of
12963 noce_process_if_block.
12964 (noce_process_if_block): Call noce_init_if_info.
12965 (check_cond_move_block): New static function.
12966 (cond_move_process_if_block): New static function.
12967 (process_if_block): Call cond_move_process_if_block.
12969 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12971 * cselib.c (hash_table): Rename to cselib_hash_table.
12972 (cselib_clear_table, discard_useless_values,
12973 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12974 cselib_init, cselib_finish): Adjust uses of hash_table.
12976 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12978 PR tree-optimization/25485
12979 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12980 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12981 is known to be false and true, respectively.
12983 2006-01-14 Richard Guenther <rguenther@suse.de>
12985 PR tree-optimization/22548
12986 PR tree-optimization/22555
12987 PR tree-optimization/22501
12988 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12989 * params.def (salias-max-array-elements): New parameter.
12990 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12991 * doc/invoke.texi (salias-max-array-elements): Document.
12992 * tree-flow-inline.h (var_can_have_subvars): We also handle
12994 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12996 * tree-ssa-structalias.c (params.h): Include.
12997 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12998 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12999 (get_constraint_for): For ADDR_EXPR operating on something
13000 containing an ARRAY_REF, add all subvars to the solution.
13001 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13002 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13003 for creating MUST_DEFs.
13004 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13006 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13008 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13010 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13011 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13012 number_of_iterations_le): New functions.
13013 (number_of_iterations_special): Removed.
13014 (number_of_iterations_exit): Do not use number_of_iterations_special.
13015 * tree.c (unsigned_type_for): Always return integer type.
13017 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13018 Richard Guenther <rguenther@suse.de>
13020 PR rtl-optimization/24257
13021 * gcse.c (find_moveable_store): Only consider a store movable
13022 when the SET_SRC of the insn can be assigned to a register.
13024 2006-01-14 Ian Lance Taylor <ian@airs.com>
13026 * tree.c (tree_not_class_check_failed): New function.
13027 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13028 (tree_not_class_check_failed): Declare.
13030 2006-01-13 Ian Lance Taylor <ian@airs.com>
13032 * reload1.c (do_output_reload): Add assertion rejecting a
13035 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13037 * combine.c (struct reg_stat): Add new fields truncation_label and
13039 (record_value_for_reg): Reset truncated_to_mode.
13040 (record_truncated_value): New function.
13041 (check_promoted_subreg): Call it. Rename to check_conversions.
13042 (combine_instructions): Rename check_promoted_subreg to
13044 (reg_truncated_to_mode): New function.
13045 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13046 (gen_lowpart_or_truncate): New function.
13047 (force_to_mode): Use it instead of gen_lowpart.
13049 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13051 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13052 VAR is a tag, not its type tag.
13054 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13056 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13057 alternatives to match style of other entries.
13058 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13060 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13062 PR tree-optimization/25771
13063 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13066 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13069 * tree-inline.c (declare_return_variable): If the return variable
13070 was marked as a non gimple complex, set the return slot variable
13071 to be a non gimple comple variable.
13073 2006-01-13 Richard Guenther <rguenther@suse.de>
13075 * builtins.c (expand_builtin_sincos): New function.
13076 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13078 (expand_builtin): Expand sincos using expand_builtin_sincos.
13080 2006-01-12 DJ Delorie <dj@redhat.com>
13082 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13083 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13084 so that constant shifts can be split.
13085 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13086 (m32c_valid_pointer_mode): Make static.
13087 (shift_gen_func_for): New.
13088 (m32c_prepare_shift): Use it. Split large const shifts into
13090 * config/m32c/predicates.md (shiftcount_operand): Allow more
13092 (longshiftcount_operand): New.
13093 * doc/md.texi (Machine Constraints): Document In6.
13095 2006-01-13 Ben Elliston <bje@au.ibm.com>
13097 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13098 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13101 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13103 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13104 to try to avoid clobbering pieces of structures when we know
13105 something about the whole structure.
13106 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13108 2006-01-13 Ben Elliston <bje@au.ibm.com>
13110 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13111 return in memory, as this is no limitation is no longer present.
13113 2006-01-12 DJ Delorie <dj@redhat.com>
13115 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13116 mova with fb, and for fb+0 -> An.
13118 * config/m32c/mov.md (peephole2): Fix enabling logic.
13120 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13121 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13122 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13123 FINI_ARRAY_SECTION_ASM_OP): Define.
13125 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13127 (m32c_legitimize_reload_address): New logic to reload FB to An.
13128 (m32c_output_reg_push): Add newline.
13129 (m32c_output_reg_pop): Likewise.
13131 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13133 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13135 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13137 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13139 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13141 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13144 2006-01-11 Ben Elliston <bje@au.ibm.com>
13146 * rtlanal.c (find_reg_note): Assert insn is not null.
13148 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13150 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13153 2006-01-11 Jeff Law <law@redhat.com>
13155 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13157 (mark_threaded_blocks, register_jump_thread): New functions.
13158 (thread_through_all_blocks): Remove unwanted argument. No
13159 longer rely on e->aux to communicate thread target info.
13160 Call mark_threaded_blocks. Release the threaded_blocks
13161 bitmap and threaded_edges vector when complete.
13162 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13163 (threaded_blocks): Remove.
13164 (tree_ssa_dominator_optimize): Remove initialization and
13165 finalization of threaded_blocks. Simplify call to
13166 thread_through_all_blocks.
13167 (thread_across_edge): Call register_jump_thread rather than
13168 storing thread information into e->aux.
13169 (free_all_edge_infos): Simplify now that e->aux is no longer
13170 used to communicate with thread_through_all_blocks.
13171 * tree-flow.h (thread_through_all_blocks): Update prototype.
13172 (register_jump_thread): Prototype.
13174 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13176 * df-core.c (df_compact_blocks, df_bb_replace): Use
13177 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13179 2006-01-11 Richard Guenther <rguenther@suse.de>
13181 PR tree-optimization/25734
13182 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13183 stop propagation after successful propagation to the LHS.
13185 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13187 * basic-block.h (control_flow_graph): Change the type of
13188 x_basic_block_info to VEC(basic_block,gc) *.
13189 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13191 (SET_BASIC_BLOCK): New.
13192 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13193 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13194 * cfgbuild.c (find_basic_blocks): Likewise.
13195 * cfglayout.c (fixup_reorder_chain): Likewise.
13196 * cfgrtl.c (create_basic_block_structure,
13197 rtl_create_basic_block): Likewise.
13198 * ifcvt.c (find_if_case_1): Likewise.
13199 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13202 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13204 * Makefile.in: Removed rotted odf.c entry.
13206 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13209 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13210 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13211 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13212 output pattern modifier, not %e.
13213 * config/cris/cris.c (cris_op_str): Update comment about pattern
13215 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13216 before falling through into...
13217 <case 'E'>: Redefined from old 'e' case.
13219 2006-01-11 Jan Hubicka <jh@suse.cz>
13222 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13224 2006-01-11 Jan Hubicka <jh@suse.cz>
13226 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13227 * i386.c (x86_decompose_lea): Kill.
13228 (ix86_rtx_costs): Kill.
13230 2006-01-11 Jan Hubicka <jh@suse.cz>
13232 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13233 * cgraph.h (cgraph_node): Add inline_decl.
13234 (cgraph_insert_node_to_hashtable): Declare.
13235 (save_inline_function_body): Declare.
13236 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13238 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13239 (cgraph_function_versioning): Update call of tree_function_versioning.
13240 (save_inline_function_body): New function.
13241 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13242 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13243 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13244 (cgraph_default_inline_p): Likewise.
13245 (cgraph_decide_inlining_incrementally): Likewise.
13246 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13247 (copy_bb): Kill saving; do updating of clones.
13248 (copy_cfg_body): Kill saving.
13249 (initialize_inlined-parameters): Likewise.
13250 (expand_call_inline): Likewise.
13252 (tree_function_versioning): New parameter "update_clones".
13253 (inlining_p): Kill saving.
13254 * tree-inline.h (tree_function_versioning): Update prototype.
13255 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13258 2006-01-11 Ian Lance Taylor <ian@airs.com>
13260 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13261 Allow undoing set of machine mode.
13262 (do_SUBST): Use enums instead of is_int.
13263 (do_SUBST_MODE): New function.
13264 (SUBST_MODE): New macro.
13265 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13266 reg and trying to replace reg_regno_rtx with a new register.
13267 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13268 (simplify_set): Use SUBST_MODE.
13269 (distribute_notes): Remove code that tried to update reg notes
13270 for regno_reg_rtx changes.
13272 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13274 PR tree-optimization/23109
13275 PR tree-optimization/23948
13276 PR tree-optimization/24123
13278 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13279 * tree-cfg.c (single_noncomplex_succ): New.
13280 * tree-flow.h (single_noncomplex_succ): Declare it.
13281 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13282 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13283 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13284 insert_bb, register_division_in, insert_reciprocals,
13285 replace_reciprocal, free_bb): New.
13286 (execute_cse_reciprocals_1): Rewritten.
13287 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13288 Do not commit any edge insertion. Always compute dominators and
13289 create the allocation pool.
13290 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13291 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13292 * targhooks.c (default_min_divistions_for_recip_mul): New.
13293 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13294 * passes.c (init_optimization_passes): Run recip after tree loop
13296 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13298 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13299 Kenneth Zadeck <zadeck@naturalbridge.com>
13301 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13302 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13303 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13304 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13305 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13306 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13307 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13308 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13309 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13310 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13311 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13312 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13313 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13314 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13315 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13316 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13317 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13318 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13319 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13320 DF_SCAN_POST_ALLOC): New macros.
13321 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13322 df_free_bb_function, df_local_compute_function, df_init_function,
13323 df_dataflow_function, df_confluence_function_0,
13324 df_confluence_function_n, df_transfer_function,
13325 df_finalizer_function, df_free_function, df_dump_problem_function,
13326 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13327 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13328 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13329 df_urec_bb_info, ) New types.
13330 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13332 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13333 df_analyze_simple_change_some_blocks,
13334 df_analyze_simple_change_one_block, df_compact_blocks,
13335 df_bb_replace, df_bb_regno_last_use_find,
13336 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13337 df_insn_regno_def_p, df_find_def, df_find_use,
13338 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13339 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13340 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13341 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13342 debug_df_chain, df_get_dependent_problem, df_chain_create,
13343 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13344 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13345 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13346 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13347 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13348 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13349 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13350 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13351 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13352 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13353 df_reorganize_refs, df_set_state, df_hard_reg_init,
13354 df_read_modify_subreg_p) New public functions.
13355 * df-core.c: The core dataflow solver and glue routines for rtl
13357 (df_init, df_add_problem, df_set_blocks, df_finish,
13358 df_hybrid_search_forward, df_hybrid_search_backward,
13359 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13360 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13361 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13362 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13363 df_reg_defined, df_find_use, df_reg_used, df_dump,
13364 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13365 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13366 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13367 debug_df_useno, reset_df_after_reload): New functions.
13368 * df-scan.c: The scanning fuctions, once in df.c, completely
13369 rewritten so that they now fully model the functionality of
13370 register usage at the backend.
13371 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13372 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13373 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13374 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13375 df_get_artificial_defs, df_get_artificial_uses,
13376 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13377 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13378 df_refs_delete, df_reorganize_refs, df_set_state,
13379 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13380 df_def_record_1, df_defs_record, df_uses_record,
13381 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13382 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13383 df_record_exit_block_uses, df_hard_reg_init): New functions.
13385 * df-problems.c: Seven concrete dataflow problems that use the
13386 scanning in df-scan.c and are solved by the engine in df-core.c.
13387 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13388 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13389 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13390 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13391 df_ru_free_bb_info, df_ru_alloc,
13392 df_ru_bb_local_compute_process_def,
13393 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13394 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13395 df_ru_transfer_function, df_ru_free, df_ru_dump,
13396 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13397 df_rd_free_bb_info, df_rd_alloc,
13398 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13399 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13400 df_rd_transfer_function, df_rd_free, df_rd_dump,
13401 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13402 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13403 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13404 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13405 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13406 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13407 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13408 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13409 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13410 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13411 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13412 df_urec_mark_reg_use_for_earlyclobber,
13413 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13414 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13415 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13416 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13417 df_chain_create_bb_process_use, df_chain_create_bb,
13418 df_chain_finalize, df_chain_free, df_chains_dump,
13419 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13420 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13421 df_reg_lifetime): New functions.
13422 * df.c: Deleted file.
13423 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13424 consistent with new df api.
13425 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13426 rest_of_handle_sms): Ditto.
13427 * web.c (unionfind_union, union_defs, entry_register, web_main):
13429 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13430 invariant_expr_equal_p, find_defs, check_dependencies,
13431 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13432 free_inv_motion_data, move_loop_invariants): Ditto.
13433 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13434 Update dependencies.
13435 (odf.c): Added defective entry that was deleted later in day.
13436 * sched-deps.c (sched_analyze_1): Ditto.
13438 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13440 * tree-ssa-operands.c (get_expr_operands): Record addressable
13441 variables directly. Do not call add_stmt_operands for CONST_DECLs
13443 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13444 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13446 2006-01-11 Ben Elliston <bje@au.ibm.com>
13448 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13449 function returns true in the positive case.
13451 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13454 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13455 for SI, DI, SF and DF modes. Add alternatives to copy between
13456 general and floating point registers to the 32-bit patterns.
13457 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13458 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13459 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13460 generating 64-bit code.
13461 * config/pa/pa.c (output_move_double): Handle copies between general
13462 and floating registers.
13464 2006-01-10 Stuart Hastings <stuart@apple.com>
13466 * config/i386/i386.md (set_got): Update.
13467 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13468 (builtin_setjmp_receiver): Mach-O support.
13469 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13470 (GOT_SYMBOL_NAME): Define.
13471 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13472 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13473 * config/i386/i386.c (override_options): Revise for Darwin.
13474 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13475 support. (darwin_x86_file_end): New. (output_set_got): Add label
13476 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13477 * config/i386/i386-protos.h (output_set_got): Likewise.
13478 * config/darwin.c (machopic_legitimize_pic_address): Update
13481 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13483 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13484 when MODE isn't BLKmode.
13486 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13488 PR rtl-optimization/25367
13489 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13491 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13494 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13495 for a negative bound.
13497 2006-01-10 Richard Guenther <rguenther@suse.de>
13499 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13500 Never override with anything constraint.
13502 2006-01-10 Jan Beulich <jbeulich@novell.com>
13504 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13505 256 bits when optimize_size.
13507 2006-01-10 Jan Beulich <jbeulich@novell.com>
13509 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13511 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13512 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13515 2006-01-10 Ben Elliston <bje@au.ibm.com>
13517 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13519 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13520 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13521 (USE_FP_FOR_ARG): Reject decimal float modes.
13522 (function_arg_advance): Likewise.
13523 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13524 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13525 point types in AltiVec vectors.
13526 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13527 (rs6000_libcall_value): Likewise.
13529 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13531 * config/xtensa/ieee754-df.S: New file.
13532 * config/xtensa/ieee754-sf.S: New file.
13533 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13534 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13535 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13537 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13539 * config/sh/predicates.md (binary_float_operator,
13540 binary_logical_operator, commutative_float_operator,
13541 equality_comparison_operator, greater_comparison_operator,
13542 less_comparison_operator, logical_operator,
13543 noncommutative_float_operator, shift_operator,
13544 symbol_ref_operand, unary_float_operator): Remove redundant
13547 2006-01-09 Jeff Law <law@redhat.com>
13549 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13550 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13551 now unused arguments. Callers updated.
13552 (eliminate_redundant_computations): Remove now unused arguments,
13554 (local_fold): Remove, no longer used.
13555 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13557 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13558 (simplify_cond): New function.
13559 (forward_propagate_into_cond): Call simplify_cond.
13561 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13563 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13564 (*vec_extractv2di_1_sse): New.
13566 2006-01-09 Ben Elliston <bje@au.ibm.com>
13568 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13570 2006-01-08 Richard Guenther <rguenther@suse.de>
13572 * tree-ssa-structalias.c (get_constraint_for): Remove
13573 anyoffset argument.
13574 (get_constraint_for_component_ref): Likewise.
13575 (do_deref): Likewise.
13576 (get_constraint_for): Likewise.
13577 (do_structure_copy): Likewise.
13578 (handle_ptr_arith): Likewise.
13579 (find_func_aliases): Likewise. Remove unused need_anyoffset
13582 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13583 Kaz Kojima <kkojima@gcc.gnu.org>
13585 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13586 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13587 (EXTRA_CONSTRAINT_C16): Remove.
13588 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13589 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13590 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13591 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13592 constants of SHmedia. Handle nested constant expressions of
13594 (andcosts): Fix the costs for SHmedia constants.
13595 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13596 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13597 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13598 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13599 (movv4hi_i, movv2si_i): Likewise.
13600 (movsi_const): Adjust the second operand of ior so to match with
13601 the Csu constraint.
13602 (movdi_const, movdi_const_32bit): Likewise.
13603 (movdi_const_16bit+1): Don't sign-extend LOW.
13604 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13606 (*double_shori): Fix the split condition. Use GEN_INT instead
13607 of get_int_mode calls. Mask lower 16-bit of the argument of
13609 (sym2GOTPLT): Remove.
13610 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13612 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13613 instead of EXTRA_CONSTRAINT_C16.
13615 2006-01-07 Ian Lance Taylor <ian@airs.com>
13616 David Edelsohn <edelsohn@gnu.org>
13618 PR rtl-optimization/25662
13619 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13620 for constant operands instead of simplify_gen_binary.
13621 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13622 after trying simplify_binary_operation
13624 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13626 * tree.c (iterative_hash_expr): Hash decls based on UID.
13628 2006-01-06 Eric Christopher <echristo@apple.com>
13630 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13631 (TARGET_UNWIND_EMIT): Fix spelling.
13632 * target.h (gcc_target): Add except_table_label.
13633 * except.c (output_function_exception_table): Use.
13634 * varasm.c (default_emit_except_table_label): New.
13635 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13637 (asm_out): Add here.
13638 * output.h (default_emit_except_table_label): Prototype.
13639 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13640 * config/darwin.c (darwin_emit_except_table_label): Define.
13641 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13643 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13645 PR tree-optimization/18527
13646 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13647 number_of_iterations_special, number_of_iterations_exit):
13648 Move base and step of an iv to a single structure. Add
13649 no_overflow flag, and use it in # of iterations analysis.
13650 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13651 folded_casts argument.
13652 (simple_iv): Pass base and step in a structure. Set no_overflow
13654 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13655 Evaluate expensiveness of computing # of iterations instead of
13656 the final expression.
13657 * tree-scalar-evolution.h (affine_iv): New structure.
13658 (simple_iv): Declaration changed.
13659 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13660 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13661 find_givs_in_stmt): Changed due to simple_iv change.
13663 2006-01-06 Jeff Law <law@redhat.com>
13666 * tree-cfg.c (bsi_replace): Rename final argument from
13667 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13668 change (stmt -> orig_stmt).
13669 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13670 (bsi_remove): Add new argument. Remove EH information
13672 (verify_eh_throw_table_statements): New function.
13673 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13675 * tree-optimize.c (execute_free_cfg_annotations): Verify
13676 the EH throw statement table after removing annotations.
13677 * except.h (verify_eh_throw_table_statements): Prototype.
13678 * tree-flow.h (bsi_remove): Update prototype.
13679 * tree-vrp.c (remove_range_assertions): Add new argument to
13681 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13682 * tree-complex.c (expand_complex_div_wide): Likewise.
13683 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13684 * tree-tailcall.c (eliminate_tailcall): Likewise.
13685 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13686 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13687 * tree-nrv.c (tree_nrv): Likewise.
13688 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13689 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13690 (combine_blocks): Likewise.
13691 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13692 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13693 (cleanup_control_flow): Likewise.
13694 (remove_forwarder_block): Likewise.
13695 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13696 * tree-sra.c (sra_replace): Likewise.
13697 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13698 (forward_propagate_single_use_vars): Likewise.
13699 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13700 * tree-inline.c (expand_call_inline): Likewise.
13701 * tree-vect-transform.c (vect_transform_loop): Likewise.
13702 * tree-outof-ssa.c (rewrite_trees): Likewise.
13703 * tree-cfg.c (make_goto_expr_edges): Likewise.
13704 (cleanup_dead_labels): Likewise.
13705 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13706 (bsi_move_before, bsi_move_after): Likewise.
13707 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13708 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13710 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13713 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13715 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13716 on non gimple variables. Also add checks at the top for decls and
13718 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13720 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13721 and IMAGPART_EXPR for creating MUST_DEFs.
13722 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13723 and NAME_MEMORY_TAG separately from the DECLs.
13725 2006-01-06 Richard Guenther <rguenther@suse.de>
13727 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13728 annotation, if necessary.
13729 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13730 redundant calls to update_stmt.
13731 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13734 2006-01-05 Richard Henderson <rth@redhat.com>
13736 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13738 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13740 * c-typeck.c: Update copyright date.
13742 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13744 * c-typeck.c (build_c_cast): Always warn when casting
13745 from a pointer to an integer of different size, even if
13746 the node was constant.
13748 2006-01-05 Richard Guenther <rguenther@suse.de>
13750 PR tree-optimization/22555
13751 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13752 if one structure field is an array.
13753 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13754 operands even if we found a subvar, but ignore VOPs in this
13756 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13758 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13760 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13762 PR middle-end/24998
13763 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13765 2006-01-05 Richard Guenther <rguenther@suse.de>
13766 Diego Novillo <dnovillo@redhat.com>
13768 * tree-pass.h (TODO_remove_unused_locals): Define.
13769 * gimple-low.c (expand_var_p, remove_useless_vars,
13770 pass_remove_useless_vars): Remove. Update all users.
13771 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13772 (remove_unused_locals): New function.
13773 * tree-flow.h (remove_unused_locals): Declare.
13774 * passes.c (execute_todo): Call remove_unused_locals if
13775 TODO_remove_unused_locals is set.
13776 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13777 * tree-ssa-dce.c (pass_dce): Likewise.
13778 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13780 2006-01-05 Richard Guenther <rguenther@suse.de>
13782 * tree-flow.h (struct fieldoff): Decompose field to
13783 type, size and decl.
13784 * tree-ssa-alias.c (create_sft): Take type as parameter.
13785 (create_overlap_variables_for): Store type, size and decl
13786 in the fieldoff structure.
13787 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13788 of struct fieldoff.
13789 (push_fields_onto_fieldstack): Likewise.
13790 (create_variable_info_for): Likewise. Use offset for the
13791 SFT name if the decl is not available.
13793 2006-01-04 Paul Brook <paul@codesourcery.com>
13795 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13797 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13799 * lambda-code.c (can_put_in_inner_loop): Relax
13801 (can_put_after_inner_loop): New function.
13802 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13803 (perfect_nestify): Change to make copies and modify uses.
13805 2006-01-04 Richard Henderson <rth@redhat.com>
13807 Merge from gomp branch:
13808 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13809 via integer constant.
13810 (pragma_lex): Remove.
13811 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13812 rather than parsing it.
13813 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13814 handle_pragma_extern_prefix): Add %< %> quotes.
13815 (registered_pragmas): New.
13816 (c_register_pragma_1): New.
13817 (c_register_pragma): Use it.
13818 (c_register_pragma_with_expansion): Likewise.
13819 (c_invoke_pragma_handler): New.
13820 (init_pragma): Use cpp_register_deferred_pragma directly for
13822 * c-pragma.h (enum pragma_kind): New.
13823 (pragma_handler): New.
13824 (c_invoke_pragma_handler): Declare.
13825 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13827 * c-common.h (c_common_pch_pragma): Update decl.
13828 * Makefile.in (c-parser.o): Update dependencies.
13829 (GTFILES): Add c-pragma.h.
13830 * c-parser.c (struct c_token): Add pragma_kind.
13831 (struct c_parser): Add in_pragma.
13832 (c_lex_one_token): Always initialize keyword and pragma_kind.
13833 Extract data for CPP_PRAGMA.
13834 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13835 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13836 Don't allow CPP_PRAGMA_EOL if in_pragma.
13837 (c_parser_consume_pragma): New.
13838 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13839 (c_parser_skip_to_end_of_parameter): Likewise.
13840 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13841 (c_parser_skip_to_pragma_eol): New.
13842 (c_parser_external_declaration): Handle CPP_PRAGMA.
13843 (c_parser_compound_statement_nostart): Likewise.
13844 (c_parser_statement_after_labels): Likewise.
13845 (c_parser_pragma): New.
13846 (pragma_lex): Likewise.
13847 (c_parser_pragma_pch_preprocess): New.
13848 (c_parser_new): Merge into ...
13849 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13851 2006-01-04 Jeff Law <law@redhat.com>
13854 * tree-cfg.c (bsi_replace): Remove the original statement
13855 from the EH throw statement table.
13857 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13859 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13860 make the prototype extern "C" and add throw ().
13863 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13864 and pos non-negative and pos + len <= 32.
13865 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13866 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13867 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13870 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13871 as well as sizes not multiple of component size.
13874 * function.c (instantiate_expr): New function.
13875 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13876 walk its DECL_VALUE_EXPR with instantiate_expr.
13878 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13879 DW_OP_deref{,_size} if address isn't going to be added.
13881 2006-01-04 Ben Elliston <bje@au.ibm.com>
13883 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13884 * config/fp-bit.c: Likewise.
13886 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13888 * dominance.c: Add comment about why we use DFS numbering
13891 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13892 Richard Henderson <rth@redhat.com>
13894 Merge from gomp-branch:
13895 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13896 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13898 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13900 PR rtl-optimization/25578
13901 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13902 pass a parameter to simplify_shift_const if changing ASHIFTRT
13905 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13907 * builtins.c (get_builtin_sync_mem): New function.
13908 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13909 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13910 Call get_builtin_sync_mem to generate mem rtx.
13912 2006-01-03 Richard Guenther <rguenther@suse.de>
13915 * stmt.c (add_case_node): Make sure to clear overflow flags
13918 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13920 Merge from gomp-branch.
13921 * config/sparc/sync.md: New file.
13922 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13923 UNSPECV_LDSTUB): New constants.
13924 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13925 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13926 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13929 2006-01-03 Roger Sayle <roger@eyesopen.com>
13931 * combine.c (reg_subword_p): New predicate to test whether the
13932 destination of a set refers to a subword/piece of a register.
13933 (try_combine): Generalize the code to merge the setting of a
13934 pseudo to a constant followed by a set of a subword of that
13935 register to a constant.
13937 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13939 * basic-block.h (control_flow_graph): Change the type of
13940 x_label_to_block_map to VEC(basic_block,gc) *.
13941 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13942 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13944 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13945 VEC(basic_block,heap) *.
13946 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13947 ssa_prop_fini): Adjust the uses of cfg_blocks.
13949 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13951 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13953 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13954 hashing trees instead of a pointer hash.
13955 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13956 compare for MEM_EXPR.
13958 PR rtl-optimization/25130
13959 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13960 when comparing MEMs for GCSE
13962 2006-01-03 Ben Elliston <bje@au.ibm.com>
13964 * targhooks.h (default_decimal_float_supported_p): Declare.
13965 * targhooks.c (default_decimal_float_supported_p): Define.
13966 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13967 `default_decimal_float_supported_p'.
13968 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13970 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13972 * combine.c (apply_distributive_law <SUBREG>): Check
13973 TRULY_NOOP_TRUNCATION.
13975 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13977 * dwarf2out.c (have_switched_text_section): Delete.
13978 (have_multiple_function_sections): New.
13979 (have_location_lists): Make 'bool'.
13980 (add_AT_loc_list): Use 'true' not '1'.
13981 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13982 (output_loc_list): Use have_multiple_function_sections.
13983 (output_ranges): Likewise.
13984 (dwarf2out_begin_function): Set have_multiple_function_sections if
13986 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13987 Check function_section rather than DECL_SECTION_NAME.
13988 (dwarf2out_finish): Use have_multiple_function_sections.
13989 Don't clear have_location_lists.
13991 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13992 Jan Hubicka <jh@suse.cz>
13994 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13995 case of conditional jump jumping to the next instruction.
13996 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13997 cases of conditional jump jumping to the next instruction.
13999 2006-01-02 Jan Hubicka <jh@suse.cz>
14001 * i386.c (*_cost): Add COSTS_N_INSNS.
14002 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14004 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14007 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14009 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14011 * config/arm/arm.c (all_fpus): Fix comment typo.
14012 * config/darwin.c: Likewise.
14013 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14014 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14015 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14017 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14019 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14020 (rs6000_split_compare_and_swapqhi): New.
14021 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14022 (sync_compare_and_swapqhi_internal): New.
14023 * config/rs6000/rs6000-protos.h: Declare.