1 2006-08-20 Jan Hubicka <jh@suse.cz>
3 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4 (create_name_tags): Instead of quadratic checking use hashtable.
5 * bitmap.h: Include hashtab.h.
6 (bitmap_hash): Declare.
7 * bitmap.c (bitmap_hash): New function.
9 2006-08-20 Jan Hubicka <jh@suse.cz>
11 PR rtl-optimization/28071
12 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
14 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
15 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
16 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
17 cgraph_decide_inlining_incrementally): Update use of
18 cgraph_check_inline_limits.
19 * cgraph.c (edge_hash, edge_eq): New function.
20 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
21 cgraph_edge_remove_caller, cgraph_node_remove_callees,
22 cgraph_remove_node): Maintain call site hash.
23 * cgraph.h (struct cgraph_node): Add call_site_hash.
24 (cgraph_set_call_stmt): New function.
26 2006-08-20 Jan Hubicka <jh@suse.cz>
28 PR rtl-optimization/28071
29 * reload1.c (reg_has_output_reload): Turn into regset.
30 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
31 choose_reload_regs, emit_reload_insns): Update to new
32 reg_has_output_reload.
34 2006-08-20 Jan Hubicka <jh@suse.cz>
37 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
39 * cgraphunit.c (cgraph_analyze_function): Don't do so.
41 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
44 * tree.c (handle_dll_attribute): Return early if not a
47 2006-08-18 Joseph Myers <joseph@codesourcery.com>
50 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
51 alignment of SPE vector types.
53 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
55 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
57 2006-08-17 Jakub Jelinek <jakub@redhat.com>
60 * cgraph.h (struct cgraph_node): Remove externally_visible
62 * cgraphunit.c (process_function_and_variable_attributes): Set
63 local.externally_visible rather than externally_visible.
66 * c-common.c (handle_externally_visible_attribute): First look
67 at TREE_CODE and only if it is function or var decl, check for
68 non-public objects. Don't warn for DECL_EXTERNAL.
69 * cgraphunit.c (process_function_and_variable_attributes): Warn
70 if externally_visible attribute is used on non-public object.
72 2006-08-17 Jan Hubicka <jh@suse.cz>
74 PR tree-optimization/27865
75 * reload1.c (forget_marked_reloads): New function.
76 (forget_old_reloads_1): When data are passed, just mark the registers
78 (reload_as_needed): Use the new mechanizm.
80 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
83 * reload.h (reg_equiv_alt_mem_list): New declaration.
84 * reload1.c (reg_equiv_alt_mem_list): New definition.
85 (reload): Initialize it and release it.
86 (delete_output_reload): Use it.
87 * reload.c (push_reg_equiv_alt_mem): New function.
88 (find_reloads_toplev): Call it.
89 (find_reloads_address, find_reloads_address_1): Likewise.
90 (find_reloads_subreg_address): Likewise.
92 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
94 PR rtl-optimization/28489
95 * sched-ebb.c (begin_schedule_ready): Create basic block
97 (advance_target_bb): Skip empty blocks.
98 * haifa-sched.c (bb_note): Make global.
99 * sched-int.h (bb_note): Add prototype.
101 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
103 PR tree-optimization/27865
104 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
106 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
107 fold_used_pointer, pointer_used_p): New functions.
108 (analyze_scalar_evolution_1): Use fold_used_pointer.
109 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
110 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
113 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
116 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
117 or the INTEGER_CST. Fail on a CALL_EXPR.
118 (fold_offsetof): Pass new argument to fold_offsetof_1.
119 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
120 operand into an INDIRECT_REF.
121 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
123 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
125 PR gcov/profile/26570
126 * value-prof.c (static_values): Removed.
127 (tree_find_values_to_profile): Do not set static_values.
128 (find_values_to_profile): Do not free static_values.
129 * profile.c (instrument_values): Do not free the values.
130 (branch_prob): Free the values.
132 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
134 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
136 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
139 * c-typeck.c (build_component_ref): Combine qualifiers of
140 structure or union and field.
142 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
144 PR rtl-optimization/28071
145 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
146 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
147 * tree-into-ssa.c (struct dom_dfsnum): New.
148 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
150 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
151 compute_global_livein.
152 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
153 in phi nodes in the correct blocks.
155 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
157 PR tree-optimization/28364
158 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
160 (fold_affine_expr): New function.
161 (may_eliminate_iv): Use fold_affine_expr.
163 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
166 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
169 2006-08-16 Mike Stump <mrs@apple.com>
171 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
172 * doc/cppopts.texi (-MD): Likewise.
174 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
177 * c-common.c (handle_weak_attribute): Ignore and warn if
178 not a FUNCTION_ or VAR_DECL.
180 2006-07-15 Mike Stump <mrs@apple.com>
183 * c-parser.c (c_parser_typeof_specifier): Don't use
184 c_finish_expr_stmt, open code desired semantics instead.
186 2006-08-15 Nick Clifton <nickc@redhat.com>
188 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
189 fragment to tmake_file only if threads are enabled.
190 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
191 * config/i386/t-gthr-win32: New file. ... here.
193 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
196 * c-parser.c (c_parser_compound_statement_nostart): Reset
197 parser->error after each statement.
199 2006-08-15 Jakub Jelinek <jakub@redhat.com>
202 * omp-low.c (lower_omp_parallel): Convert t to
203 receiver_decl's type.
204 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
205 source before comparison.
208 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
209 to itype in assignment to oldival2.
211 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
215 * c-typeck.c (build_compound_expr): If the second expression
216 is an error mark, then just return an error mark instead of
217 creating a COMPOUND_EXPR.
219 2006-07-14 Mike Stump <mrs@apple.com>
221 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
223 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
225 * c-decl.c, var-tracking.c: Fix comment typos.
227 2006-08-14 Richard Sandiford <richard@codesourcery.com>
229 PR rtl-optimization/28634
230 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
231 for floating-point modes unless flag_unsafe_math_optimizations.
233 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
234 Andrew Pinski <pinskia@physics.uc.edu>
237 * tree.c (build_array_type): Unify array types with
238 unspecified index_type.
239 * c-decl.c (grokdeclarator): Make sure we do not modify a
240 unified incomplete array type.
241 * c-typeck.c (store_init_value): Create distinct type before
242 filling in the index type in an initializer from a compound
245 * c-decl.c (grokdeclarator): Remove code where we copy the
248 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
250 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
251 into account for TODO_dump_cgraph.
252 (TODO_update_ssa_no_phi): Likewise.
253 (TODO_update_ssa_full_phi): Likewise.
254 (TODO_update_ssa_only_virtuals): Likewise.
255 (TODO_remove_unused_locals): Likewise.
256 (TODO_set_props): Likewise.
257 (TODO_update_stmt_usage): Likewise.
259 2006-08-13 Dirk Mueller <dmueller@suse.de>
261 * c-common.c (strict_aliasing_warning): Fix formatting.
263 2006-08-13 Matthias Klose <doko@debian.org>
265 * doc/invoke.texi: Fix spelling errors.
267 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
269 PR rtl-optimization/23454
270 * reorg.c (relax_delay_slots): Update comment.
272 2006-08-11 Richard Guenther <rguenther@suse.de>
275 * simplify-rtx.c (simplify_const_relational_operation):
276 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
279 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
281 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
282 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
284 2006-08-10 Paul Brook <paul@codesourcery.com>
286 * final.c (final_scan_insn): Clear current_insn_predicate before
287 outputting inline asm.
289 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
291 PR tree-optimization/26197
292 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
293 get_ref_base_and_extent and overlap_subvar to add only relevant
294 subvars as may-aliases.
295 (add_may_alias_for_new_tag): New function, factored out of
297 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
298 with additional argument.
299 * tree-flow.h (new_type_alias): Takes additional argument.
301 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
303 * gcov.c (no_data_file): New flag.
304 (read_count_file): Set it if data file not present. Assume counts
306 (output_lines): Don't name the data file, if there wasn't one.
308 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
310 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
311 (rs6000_generate_compare): Tweak comments.
312 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
314 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
316 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
317 (var_debug_decl): New function.
318 (var_reg_set): Follow debug decl link. Add location even if
319 reg is already known to hold some other variable.
320 (var_mem_set): Follow debug decl link.
321 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
322 decl link. Delete other known locations of the variable part
324 (var_reg_delete, var_mem_delete): Delete other known locations
325 of the variable part if requested.
326 (same_variable_part_p): New function.
327 (add_stores): Select MO_COPY when appropriate.
328 (vt_initialize): Handle it.
329 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
330 known locations for MO_SET and MO_CLOBBER.
331 (find_variable_location_part): New function.
332 (set_variable_part, delete_variable_part): Use it.
333 (clobber_variable_part): New function.
334 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
337 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
339 PR tree-optimization/26969
340 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
341 with an empty list of PHIs.
343 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
347 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
350 2006-08-06 Andreas Schwab <schwab@suse.de>
352 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
353 string. Whitespace and comment fixup.
355 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
358 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
362 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
365 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
367 2006-08-04 Jan Hubicka <jh@suse.cz>
371 * reload.c (push_reload): Patch out the mismatching instruction;
373 (find_reload): Bail out if the instruction was patched out.
375 2006-08-04 Jan Hubicka <jh@suse.cz>
377 PR tree-optimization/24888
378 * tree-inline.c (expand_call_inline): Do not re-record variables.
379 (declare_inline_vars): Add variable to unexpanded_var_list.
381 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
382 Roger Sayle <roger@eyesopen.com>
384 PR rtl-optimization/26244
385 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
386 inner_const are negative or greater than or equal to the bitsize of
387 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
388 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
389 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
390 CONST0_RTX (mode) when the new shift count is greater than or equal to
391 to the bitsize of the object being shifted and XEXP (y, 0) has no side
394 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
396 * tree-cfg.c: Fix a comment typo.
398 2006-08-03 Mark Mitchell <mark@codesourcery.com>
401 * varasm.c (output_constant): Give the front end another chance to
402 expand constants, after stripping NOPs.
404 2006-08-03 Jan Hubicka <jh@suse.cz>
406 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
409 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
411 PR tree-optimization/27770
412 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
413 declaration removed (moved to tree-flow.h).
414 (vect_can_force_dr_alignment_p): Likewise.
415 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
416 (moved from tree-vectorizer.h).
417 (vect_can_force_dr_alignment_p): Likewise.
418 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
419 from outside the vectorizer - in particular from cgraph stage.
420 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
421 the alignment of global arrays when -fsection-anchors is enabled.
422 * cgraphunit.c (cgraph_increase_alignment): New function.
423 (cgraph_optimize): Call cgraph_increase_alignment.
425 2006-08-03 David Edelsohn <edelsohn@gnu.org>
428 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
429 not reload a SPE symbol_ref into a lo_sum address.
431 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
434 * dwarf2out.c (prune_unused_types_prune): Move call to
435 prune_unused_types_update_strings to cover the parent DIE also.
437 2006-08-02 Jan Hubicka <jh@suse.cz>
439 PR gcov/profile/28480
440 * tree-cfg.c (change_bb_for_stmt): New function.
441 (tree_merge_blocks, tree_split_blocks): Use it.
443 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
449 * toplev.c (compile_file): Return early on errorcount or sorrycount.
450 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
451 (cgraph_optimize): Likewise.
453 2006-08-01 Stuart Hastings <stuart@apple.com>
455 * rtl.h (UINTVAL) New.
456 * config/rs6000/rs6000.c (SMALL_INT) Use it.
457 * testsuite/gcc.dg/20060801-1.c: New.
459 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
462 * c-typeck.c (build_external_type): Mark used enum types.
463 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
465 (gen_subprogram_die): Whitespace fix.
467 2006-08-01 Jan Hubicka <jh@suse.cz>
469 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
470 bitmap when not needed.
471 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
474 2006-08-01 Dirk Mueller <dmueller@suse.de>
476 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
478 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
480 * Makefile.in: Revert part of previous patch:
481 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
484 2006-07-30 Eric Christopher <echristo@apple.com>
487 * doc/extend.texi (i386 Variable Attributes): Add anchor.
488 (PowerPC Variable Attributes): New section.
490 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
492 PR target/28126 (partial fix)
493 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
495 2006-07-28 Jan Hubicka <jh@suse.cz>
497 PR rtl-optimization/28071
498 * cfgrtl.c (rtl_delete_block): Free regsets.
499 * flow.c (allocate_bb_life_data): Re-use regsets if available.
501 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
503 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
504 and variables used in dependencies.
506 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
508 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
509 %fs for -mcmodel=kernel.
510 (stack_tls_protect_test_di): Likewise.
512 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
514 * Makefile.in: Use mkinstalldirs.
516 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
519 * opts-common.c (prune_options): Skip joined switches.
521 2006-07-27 Jan Hubicka <jh@suse.cz>
523 PR rtl-optimization/28071
524 * cselib.c (cselib_process_insn): Don't remove useless values too
525 often for very large hashtables.
527 2006-07-27 Jan Hubicka <jh@suse.cz>
529 PR rtl-optimization/28071
530 * global.c (greg_obstack): New obstack.
531 (allocate_bb_info): Use it.
532 (free_bb_info): Likewise.
533 (modify_reg_pav): Likewise.
535 2006-07-27 Roger Sayle <roger@eyesopen.com>
537 * builtins.c (fold_fixed_mathfn): When long and long long are the
538 same size, canonicalize llceil*, llfloor*, llround* and llrint*
539 functions to their lceil*, lfloor*, lround* and lrint* forms.
541 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
544 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
546 (rev_branch_insn): Likewise.
548 2006-07-27 Jan Hubicka <jh@suse.cz>
550 PR rtl-optimization/28071
551 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
552 (reg_set_in_bb, max_reg_computed): New static variables.
553 (regmove_optimize): Free the new array.
554 (fixup_match_1): Update call of reg_is_remote_constant_p.
556 2006-07-26 Jan Hubicka <jh@suse.cz>
558 PR tree-optimization/27882
559 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
561 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
563 (cgraph_analyze_compilation_unit): Likewise.
564 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
565 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
566 (cgraph_early_inlinine): Make order garbage collected.
567 * Makefile.in (gt-ipa-inline): New garbagecollected file.
569 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
571 * dbxout.c (output_types_sort): Add a comment.
572 (output_used_types): Free the VEC.
574 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
576 * function.c (reorder_fix_fragments): Delete.
577 (reorder_blocks): Don't call it.
578 (reorder_blocks_1): Put all subblocks under the origin block.
580 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
582 PR rtl-optimization/27907
583 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
586 2006-07-25 Roger Sayle <roger@eyesopen.com>
589 * convert.c (convert_to_integer): When transforming (T)foo(x) into
590 bar(x) check that bar's result type can represent all the values of T.
592 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
594 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
596 2006-07-25 Nick Clifton <nickc@redhat.com>
598 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
600 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
601 (ggc_pch_count_object): Likewise.
602 (ggc_pch_alloc_object): Likewise.
603 (ggc_pch_write_object): Likewise.
604 (init_ggc): Do not attempt to initialize entries in the
605 size_lookup[] array for objects whose size is greater than than
606 the length of the array.
608 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
610 * dbxout.c (output_used_types_helper): Push queued types
612 (output_types_sort): New.
613 (output_used_types): Collect used types on a VEC and sort them
616 2006-07-24 Richard Guenther <rguenther@suse.de>
619 * cgraph.c (cgraph_remove_node): Do not check if dumps
621 * cgraphunit.c (cgraph_optimize): Likewise.
623 2006-07-24 Jan Hubicka <jh@suse.cz>
625 PR rtl-optimization/28071
626 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
627 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
628 splitting before first stmt.
630 2006-07-24 Jan Hubicka <jh@suse.cz>
632 PR rtl-optimization/28071
633 * ipa-inline.c (update_caller_keys): Remove edges that
634 are no longer inline candidates.
636 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
639 * dbxout.c (output_used_types_helper, output_used_types): New.
640 (dbxout_symbol): Call output_used_types.
642 2006-07-23 Jan Hubicka <jh@suse.cz>
646 * cgraph.c (cgraph_varpool_nodes): Export.
647 (decide_is_variable_needed): Ignored "used" attribute in
649 * cgraph.h (cgraph_varpool_nodes): Declare.
650 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
653 2006-07-23 Roger Sayle <roger@eyesopen.com>
656 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
657 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
658 the __gthrw form of thr_keycreate.
659 (__gthread_key_delete): Silence the unused argument warning.
661 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
664 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
665 Cache the last found '\0' marker to avoid quadratic behavior.
667 2006-07-23 Jan Hubicka <jh@suse.cz>
669 * i386.md (subsi_3_zext): Fix output template.
671 2006-07-21 Mike Stump <mrs@apple.com>
673 * doc/invoke.texi (C++ Dialect Options): Note that
674 -fvisibility-inlines-hidden doesn't affect explicitly
675 instantiationed inline methods.
677 2006-07-20 Roger Sayle <roger@eyesopen.com>
679 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
680 if the target assembler is GNU binutils' gas.
681 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
682 whether to pass GNU gas or native as command line options.
684 2006-07-20 Jason Merrill <jason@redhat.com>
686 * tree.c (remove_attribute): New fn.
687 * tree.h: Declare it.
689 2006-07-20 Paul Brook <paul@codesourcery.com>
692 * cse.c (cse_insn): Add destination addresses to hash table. Check if
693 they are invalidated by this instruction.
695 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
698 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
700 2006-07-20 Eric Christopher <echristo@apple.com>
703 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
705 2006-07-19 Eric Christopher <echristo@apple.com>
707 * config/t-slibgcc-darwin (stmp-lipo): Remove.
708 Rewrite dependencies for libgcc_s.1.dylib.
710 2006-07-19 Jakub Jelinek <jakub@redhat.com>
712 * except.c (duplicate_eh_regions_1): Clear next_peer.
714 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
716 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
717 -mlongcall does not guarantee all calls will be long.
718 * doc/extend.texi (long_call/short_call): Document that longcall
719 does not guarantee a long call will be used.
720 (longcall/shortcall): Likewise.
722 2006-07-18 Roger Sayle <roger@eyesopen.com>
725 * expmed.c (expand_shift): Additionally check that the shift_cost
726 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
727 before implementing a LSHIFT_EXPR as a sequence of additions.
728 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
729 middle-end that DImode shifts need to be synthesized by expand.
731 2006-07-18 Diego Novillo <dnovillo@redhat.com>
734 * tree-ssa-operands.c (access_can_touch_variable): Update
736 Return true if ALIAS is .GLOBAL_VAR.
738 2006-07-18 David Daney <ddaney@avtrex.com>
740 * gcc.c (display_help): Fix typo in help text.
742 2006-07-18 Olivier Hainque <hainque@adacore.com>
744 * tree.h (categorize_ctor_elements): Adjust prototype and add
745 descriptive comment, both in accordance with the interface change
747 * varasm.c (constructor_static_from_elts_p): New function.
748 Whether a constructor node is a valid static constant initializer
749 if all its elements are.
750 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
751 * output.h: Declare it.
752 * expr.c (categorize_ctor_elements_1): Return whether the constructor
753 is a valid constant initializer instead of computing the number of
754 non-constant elements. Use constructor_static_from_elts_p for this
755 purpose. Replace the head comment with an indication that this is a
756 helper for categorize_ctor_elements.
757 (categorize_ctor_elements): Same interface change as for the _1
758 helper. Former head comment from this helper moved here, adjusted to
759 account for the interface changes.
760 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
761 (all_zeros_p): Likewise.
762 * gimplify.c (gimplify_init_constructor): Decide whether we can make
763 static versions of the constructor from the categorize_ctor_elements
764 return value instead of the formerly computed number of non-constant
767 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
769 * configure: Regenerate.
770 * Makefile.in (build_libsubdir): New configure substitution
771 (build_libobjdir): New variable.
772 (BUILD_LIBIBERTY): Use it.
774 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
777 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
779 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
782 * c-common.c (handle_weakref_attribute): Ignore attribute in
783 the same conditions the alias attribute is ignored.
785 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
787 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
788 (dbxout_begin_prologue): Increment scope_labelno.
790 2006-07-17 Richard Henderson <rth@redhat.com>
793 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
796 2006-07-17 Roger Sayle <roger@eyesopen.com>
797 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
799 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
800 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
801 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
802 functions such as sbrk, write, etc.. Add function prototypes.
803 Convert function declarations from K&R to ISO C. Cast pointers
804 to "long" and "unsigned long" instead of "int" and "unsigned int".
805 Convert tokens following #endif into comments.
807 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
809 * invoke.texi: Remove mention of f77; Reformat table for
810 inline parameter options correctly; mention that -malign-double
811 is default on x86-64 targets.
813 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
815 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
816 (convert_affine_scev, chrec_convert_aggressive): Use
817 avoid_arithmetics_in_type_p. Do not check for the subtypes
820 2006-07-17 Richard Sandiford <richard@codesourcery.com>
823 * optabs.c (expand_doubleword_shift): Wrap the call to
824 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
826 2006-07-17 Richard Sandiford <richard@codesourcery.com>
829 * optabs.c (expand_binop): Pass next_methods rather than methods
830 to expand_doubleword_shift.
832 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
835 * tree.h (dump_addr): Declare.
836 * print-tree.c (dump_addr): New function.
837 (print_node_brief, print_node): Use it.
838 * print-rtl.c (print_rtx): Likewise.
839 * common.opt (-fdump-noaddr): New option.
840 * doc/invoke.texi (-fdump-noaddr): Document.
841 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
842 (ve_info_hash): Likewise.
844 2006-07-13 Andrew Haley <aph@redhat.com>
846 PR tree-optimization/19505
847 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
848 edge leaving this block, make sure that the destination of this
849 block has only one predecessor.
851 2006-07-17 Richard Guenther <rguenther@suse.de>
853 PR tree-optimization/28238
854 * tree-inline.c (copy_bb): Check if we produced valid
855 gimple copying and substituting a stmt. If not, gimplify
858 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
860 * optabs.c (maybe_encapsulate_block): New function extracted from...
861 (emit_libcall_block): ...here. Invoke it on the block of insns to
862 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
863 (emit_no_conflict_block): Likewise.
865 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
867 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
869 2006-07-15 Roger Sayle <roger@eyesopen.com>
871 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
872 a new NOP_EXPR case of the switch statement.
874 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
877 * stor-layout.c (place_field): Take the bit field with
878 an excessive size into account in the ms-bitfiled case.
881 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
882 the previous bit field.
884 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
887 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
889 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
891 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
892 signal frames correctly even when the signal was installed with
895 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
897 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
898 (dbxout_function_end): Use local label LFBB. Remove hook
900 (dbxout_source_line): Use local label LFBB.
901 (dbxout_block): Likewise.
902 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
903 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
904 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
907 2006-07-13 Janis Johnson <janis187@us.ibm.com>
909 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
911 2006-07-13 Jan Hubicka <jh@suse.cz>
913 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
915 * output.h (align_variable): Declare.
916 * varasm.c (align_variable): Export.
917 * value-prof.c (tree_value_profile_transformations): Recompute iterator
918 when basic block changed.
920 2006-07-13 Nick Clifton <nickc@redhat.com>
922 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
923 walking the LOG_LINKS chain.
925 2006-07-12 Geoffrey Keating <geoffk@apple.com>
927 * doc/invoke.texi (C++ Dialect Options): Explain difference
928 between -fvisibility-inlines-hidden and setting hidden
929 visibility explicitly.
931 2006-07-12 Eric Christopher <echristo@apple.com>
933 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
934 (stmp-lipo): Depend on libgcc.a.
936 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
938 * tree.c: Fix a comment typo.
940 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
942 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
944 (umulhisi3_r): Likewise.
946 2006-07-12 Paolo Carlini <pcarlini@suse.de>
949 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
950 x < 19, vs wchar_t support.
952 2006-07-12 Nick Clifton <nickc@redhat.com>
954 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
957 2006-07-12 Mike Stump <mrs@apple.com>
959 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
961 2006-07-10 Eric Christopher <echristo@apple.com>
963 * config/t-slibgcc-darwin: Rewrite.
965 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
968 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
971 2006-07-08 Matthias Klose <doko@debian.org>
973 * doc/sourcebuild.texi: Fix typo.
975 2006-07-07 Mike Stump <mrs@apple.com>
977 * toplev.c (process_options): Don't give -ffunction-sections may
978 affect debugging warning for Mach-O.
980 2006-07-07 James E Wilson <wilson@specifix.com>
982 * config/mips/mips.md (cpu): Add sb1a.
983 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
984 addition to sb1. Adjust comments to clarify SB-1A differences from
986 (ir_sb1a_load): New. Modify bypasses to use it.
987 (ir_sb1a_simple_alu): Likewise.
988 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
989 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
990 (mips_issue_rate): Add PROCESSOR_SB1A.
991 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
992 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
993 (TARGET_SB1): Add PROCESSOR_SB1A check.
994 (TUNE_SB1): Likewise.
996 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
997 * config/mips/mips.c (mips_store_data_bypass_p): New.
998 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1001 2006-07-08 Paul Brook <paul@codesourcery.com>
1004 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1006 2006-07-07 Richard Guenther <rguenther@suse.de>
1009 * tree.h (build_one_cst): Declare.
1010 * tree.c (build_one_cst): New function.
1011 * tree-ssa-math-opts.c (get_constant_one): Remove.
1012 (insert_reciprocals): Use build_one_cst.
1013 * fold-const.c (fold_plusminus_mult): Likewise.
1015 2006-07-07 Roger Sayle <roger@eyesopen.com>
1017 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1018 * cfgloopanal.c (dump_graph): Likewise.
1019 * dojump.c (discard_pending_stack_adjust): Likewise.
1020 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1022 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1023 * function.c (finalize_block_changes): Likewise.
1024 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1025 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1026 * rtl.c (dump_rtx_statistics): Likewise.
1027 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1029 * varray.c (dump_varray_statistics): Likewise.
1030 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1031 decode_decimal64, encode_decimal128, decode_decimal128,
1032 decimal_real_to_decimal): Likewise.
1034 2006-07-07 Richard Guenther <rguenther@suse.de>
1036 PR tree-optimization/28187
1037 * tree-vrp.c (vrp_operand_equal_p): New function.
1038 (vrp_bitmap_equal_p): Likewise.
1039 (update_value_range): Use them to compare old and new
1042 2006-07-06 Roger Sayle <roger@eyesopen.com>
1044 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1045 a default case to switch statement to silence compiler warnings.
1047 2006-07-06 Roger Sayle <roger@eyesopen.com>
1050 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1051 the configured assembler supports the x87's ffreep mnemonic.
1052 * configure: Regenerate.
1053 * config.in: Regenerate.
1055 * config/i386/i386.c (output_387_ffreep): New function.
1056 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1057 (output_387_reg_move): Likewise.
1059 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1061 Port to hosts whose 'sort' and 'tail' implementations
1062 treat operands with leading '+' as file names, as POSIX
1063 has required since 2001. However, make sure the code still
1064 works on pre-POSIX hosts.
1065 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1066 which says you should use "tail -c +N" rather than "tail +Nc".
1067 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1069 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1071 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1074 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1077 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1078 PRE_{INC,DEC} of TFmode.
1080 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1081 Alan Modra <amodra@bigpond.net.au>
1084 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1087 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1090 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1091 Remove duplicate gtu.
1093 2006-07-05 Jason Merrill <jason@redhat.com>
1097 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1098 * c-common.c (handle_packed_attribute): So don't copy it here.
1099 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1101 2006-07-05 Mike Stump <mrs@apple.com>
1103 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1105 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1108 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1110 2006-07-05 Richard Guenther <rguenther@suse.de>
1113 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1114 TARGET_SSE2 targets if using SSE math.
1115 (*absdf2_1): Likewise.
1117 2006-07-05 Richard Guenther <rguenther@suse.de>
1119 PR tree-optimization/28162
1120 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1121 make sure to convert the operands to the correct type.
1123 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1125 PR tree-optimization/28218
1127 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1128 to calculate and free the dominator information.
1130 2006-07-04 Peter O'Gorman <peter@pogma.com>
1132 * mklibgcc.in: chmod 644 before ranlib during install.
1134 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1135 J"orn Rennecke <joern.rennecke@st.com>
1137 * configure.ac (.eh_frame data check): Use diff -b.
1139 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1142 * Makefile.in (BUILD_RTL): Add build/vec.o.
1143 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1144 (build/genextract): Delete.
1145 (build/genautomata): Likewise.
1147 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1150 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1151 128-bit IBM long doubles for ABI_V4.
1153 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1155 * tree.c (range_in_array_bounds_p): New predicate.
1156 * tree.h (range_in_array_bounds_p): Declare it.
1157 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1158 return a less conservative answer.
1159 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1160 and flag 'is_group'.
1161 (IS_ELEMENT_FOR_GROUP): New macro.
1162 (FOR_EACH_ACTUAL_CHILD): Likewise.
1163 (next_child_for_group): New helper function.
1164 (can_completely_scalarize_p): Take into account groups.
1165 (sra_hash_tree): Handle RANGE_EXPR.
1166 (sra_elt_eq): Likewise.
1167 (lookup_element): Be prepared for handling groups.
1168 (is_valid_const_index): Delete.
1169 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1170 instead of is_valid_const_index.
1171 <ARRAY_RANGE_REF>: New case.
1172 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1173 is_valid_const_index.
1174 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1175 (scan_dump): Dump info for groups too.
1176 (decide_instantiation_1): Likewise.
1177 (decide_block_copy): Assert that the element is not a group.
1178 Propagate decision to groups.
1179 (generate_one_element_ref): Handle RANGE_EXPR.
1180 (mark_no_warning): Iterate over actual childs.
1181 (generate_copy_inout): Likewise.
1182 (generate_element_copy): Likewise.
1183 (generate_element_zero): Likewise.
1184 (generate_element_init_1): Likewise.
1185 (dump_sra_elt_name): Handle RANGE_EXPR.
1187 2006-07-03 Roger Sayle <roger@eyesopen.com>
1189 PR tree-optimization/26251
1190 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1191 (thread_block): When optimizing for size refuse to thread jumps
1192 that would require duplication of blocks other than redirection
1195 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1197 * configure.ac: Fix thinko in previous check-in.
1198 * configure: Regenerate.
1200 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1203 * configure.ac (for lang...): Simplify nesting of conditionals.
1204 Test subdir_requires for non-enabled languages. Move processing
1205 of lang_opt_files and lang_tree_fiels below that test.
1206 * configure: Regenerate.
1207 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1209 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1211 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1213 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1215 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1218 2006-06-29 Jason Merrill <jason@redhat.com>
1225 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1226 * c-common.c (c_determine_visibility): Handle it here.
1227 * c-decl.c (finish_decl): Call c_determine_visibility for
1229 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1231 * varasm.c (default_assemble_visibility): Likewise.
1232 * c-common.c (handle_visibility_attribute): Complain about trying
1233 to give visibility to an already defined class, or trying to change
1234 declared visibility. Always attach the attribute.
1239 * attribs.c (decl_attributes): Ignore type-in-place attributes
1240 once the type has been defined.
1242 2006-06-29 Roger Sayle <roger@eyesopen.com>
1245 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1246 to indicate the cpplib has issued an error message for us.
1248 2006-06-29 Asher Langton <langton2@llnl.gov>
1251 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1252 insert a label at the end of an function under Mach-O.
1254 2006-06-29 Eric Christopher <echristo@apple.com>
1255 Evan Cheng <evan.cheng@apple.com>
1257 * predicates.md (vector_all_ones_operand): New.
1258 (nonimmediate_or_sse_const_operand): Ditto.
1259 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1260 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1261 (standard_sse_mode_p): Ditto.
1262 (standard_sse_constant_p): Add case for -1 vector.
1263 (ix86_expand_vector_move): Try to use.
1264 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1265 Call standard_sse_constant_opcode.
1266 (*movv4sf_internal): Ditto.
1267 (*movv2df_internal): Ditto.
1269 2006-06-29 Roger Sayle <roger@eyesopen.com>
1271 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1272 of XEXP to extract the operands of a MATCH_CODE rtx.
1274 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1276 * tree.c (tree_size): Do not waste tail padding in
1277 struct tree_string and make the size be the same as
1278 build_string will generate.
1280 2006-06-28 Jason Merrill <jason@redhat.com>
1283 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1284 may_aliases already in the tag's annotations to the bitmap.
1286 2006-06-28 Roger Sayle <roger@eyesopen.com>
1288 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1290 2006-06-28 Roger Sayle <roger@eyesopen.com>
1292 * genpreds.c (generate_switch_p): New function.
1293 (add_mode_tests): Push the new mode test down inside an AND expr
1294 if this allows the switch-suitable MATCH_CODE to be near the root.
1295 (write_match_code_switch): New function to write a MATCH_CODE as
1297 (write_predicate_stmts): New function to write a predicate RTX
1298 expression as a sequence of statements.
1299 (write_one_predicate_function): Use write_predicate_stmts.
1300 (write_tm_constrs_h): Likewise.
1302 2006-06-26 Fred Fish <fnf@specifix.com>
1304 * config/mips/t-sb1: New file.
1305 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1308 2006-06-26 DJ Delorie <dj@redhat.com>
1310 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1312 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1313 Jayant Sonar <jayants@kpitcummins.com>
1314 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1316 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1317 (subsi3, subsi3_1, subsi3_2): New.
1318 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1319 * config/m32c/mov.md (SI mov peephole): New.
1320 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1321 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1323 2006-06-26 Olivier Hainque <hainque@adacore.com>
1325 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1326 a CALL_EXPR target function declaration.
1328 2006-06-26 Richard Guenther <rguenther@suse.de>
1330 * tree.c (build_string): Do not waste tail padding in
1333 2006-06-26 Richard Guenther <rguenther@suse.de>
1335 * ggc-page.c (init_ggc): Add missing element to size_lookup
1339 2006-06-23 Richard Guenther <rguenther@suse.de>
1341 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1342 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1343 alignment requests instead. Add verification code.
1344 Add struct tree_function_decl and struct tree_binfo size to
1345 extra_order_size_table. Add missing element to size_lookup
1348 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1351 * fold-const.c (const_binop): Be prepared for self returning zero.
1352 Simplify code handling complex values.
1354 2006-06-24 Olivier Hainque <hainque@adacore.com>
1356 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1357 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1360 2006-06-24 Olivier Hainque <hainque@adacore.com>
1362 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1363 ARRAY_REF, so have the callback called for the low bound expression.
1365 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1367 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1368 * c-typeck.c (c_common_type): Disallow operations on decimal float
1369 types and other float types.
1370 * convert.c (convert_to_real): Don't ignore conversions involving
1371 decimal float types.
1373 2006-06-23 Olivier Hainque <hainque@adacore.com>
1375 * tree.c (max_int_size_in_bytes): New function, inspired from
1376 code in function.c:assign_temp.
1377 * tree.h (max_int_size_in_bytes): Declare.
1378 * function.c (assign_temp): Use it.
1379 * gimplify.c (create_tmp_var): Relax the assertions on the type
1380 properties, not mandating constant size any more.
1381 (force_constant_size): New static function.
1382 (gimple_add_tmp_var): Use it, forcing variable size to a
1383 constant upper bound if it is not constant on entry.
1385 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1388 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1389 for initialization and setting of one_only flag to ...
1390 (i386_pe_encode_section_info): ...here.
1391 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1392 Recheck that the symbol has not been defined.
1394 2006-06-23 Richard Guenther <rguenther@suse.de>
1396 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1397 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1398 alignment requests instead. Add verification code.
1399 Add struct tree_function_decl and struct tree_binfo size to
1400 extra_order_size_table. Add missing element to size_lookup
1403 2006-06-22 Roger Sayle <roger@eyesopen.com>
1404 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1407 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1408 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1410 2006-06-23 Ben Elliston <bje@au.ibm.com>
1412 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1413 negate dn -- manipulate it directly.
1415 2006-06-22 Roger Sayle <roger@eyesopen.com>
1416 Steven Bosscher <stevenb.gcc@gmail.com>
1419 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1420 generated by gen_move_insn to add REG_LABEL notes if necessary.
1422 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1424 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1425 (leaf_entry): Remove use of MIN_ESA.
1427 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1429 PR rtl-optimization/28121
1430 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1433 2006-06-21 DJ Delorie <dj@redhat.com>
1435 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1437 (mulhisi3_r): Likewise.
1439 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1442 * coverage.c (coverage_counter_alloc): Leave the index type
1444 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1447 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1449 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1450 section from the "Options for Code Generation Conventions".
1452 2006-06-21 Richard Henderson <rth@redhat.com>
1456 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1458 (global_symbolic_operand): Allow weak symbols, even if local_p.
1460 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1462 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1463 (find_interesting_uses_address): Punt if above function returns true.
1465 2006-06-21 Richard Guenther <rguenther@suse.de>
1467 * configure: Regenerated.
1469 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1471 * config/mips/mips.c (function_arg): Where one part of a
1472 complex argument is in registers and the other part in the stack,
1473 return a REG not a PARALLEL.
1475 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1477 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1478 when cross-compiling. Do not substitute libstdcxx_incdir.
1479 * configure: Regenerated.
1481 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1483 * varasm.c (mergeable_string_section): Check for embedded NULs and
1484 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1485 rather than TREE_STRING_LENGTH bytes.
1487 2006-06-21 Richard Guenther <rguenther@suse.de>
1489 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1490 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1493 2006-06-21 Richrad Guenther <rguenther@suse.de>
1495 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1496 Limit iteration over the dominators.
1498 2006-06-20 Roger Sayle <roger@eyesopen.com>
1500 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1501 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1503 2006-06-20 Richard Guenther <rguenther@suse.de>
1504 Michael Matz <matz@suse.de>
1506 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1508 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1509 * et-forest.h (et_free_pools): Prototype new function.
1510 * et-forest.c (et_free_tree_force): Free parent occurrence.
1511 (et_free_pools): New function.
1512 * dominance.c (free_dominance_info): Free et-forest alloc
1515 2006-06-20 Roger Sayle <roger@eyesopen.com>
1517 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1518 integer modes, attempt to directly construct an integer constant.
1520 * fold-const.c (native_encode_vector): Determine the size of each
1521 element from the vector type instead of the first vector element.
1523 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1524 if all of its elements/components are constant.
1525 (build_constructor_from_list): Likewise.
1527 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1529 PR tree-optimization/27331
1530 * tree-data-ref.c (free_data_ref): New function.
1531 (create_data_ref): Fail if the data reference has unknown access
1533 (free_data_refs): Use free_data_ref.
1535 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1538 * tree-inline.c (setup_one_parameter): Strip useless
1539 type conversion before adding it to the IR.
1540 (declare_return_variable): Likewise.
1542 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1545 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1547 2006-06-19 Mike Stump <mrs@apple.com>
1549 * tree.c (variably_modified_type_p): VM arguments don't make the
1552 2006-06-19 Richard Guenther <rguenther@suse.de>
1554 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1555 type conversions after folding.
1557 2006-06-19 Richard Guenther <rguenther@suse.de>
1559 * ggc-page.c (extra_order_size_tab): Add entries with
1560 size of struct function and basic_block.
1561 (size_lookup): Extend to cover sizes up to 511.
1562 (ggc_alloc_stat): Adjust user.
1563 (ggc_pch_count_object): Likewise.
1564 (ggc_pch_alloc_object): Likewise.
1565 (ggc_pch_write_object): Likewise.
1567 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1569 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1570 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1573 2006-06-19 Denis Chertykov <denisc@overta.ru>
1575 * config/avr/libgcc.S : Correct my wrong previous commit.
1577 2006-06-19 Roger Sayle <roger@eyesopen.com>
1580 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1581 have stripped a SUBREG from the shift count, so we may need to
1582 convert_to_mode back to the type's mode before calling make_tree.
1583 Use new_amount instead of amount to avoid expanding a tree twice.
1585 2006-06-19 Richard Guenther <rguenther@suse.de>
1588 * fold-const.c (operand_equal_p): Check if the argument types
1589 have the same precision before stripping NOPs.
1591 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1593 Fix PR tree-optimization/27341
1594 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1596 * tree-complex.c (pass_lower_complex): Update SMT usage.
1598 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1600 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1601 Add a new alternative to the constraint strings. Add move of
1602 operand 1 to 3 to the splitter definition.
1603 ("doloop_si_long"): Second contraint alternative removed.
1605 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1607 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1608 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1610 (AVR_HAVE_MOVW) Define.
1611 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1612 (ASM_SPEC): Add avr25.
1613 (LINK_SPEC): Add avr25.
1614 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1615 (base_arch_s): Add new member 'have_movw_lpmx'.
1616 (avr_arch_types): Init 'have_movw_lpmx'.
1617 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1618 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1619 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1620 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1621 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1623 (avr_file_start): Do not output '.arh' derective.
1624 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1625 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1626 * config/avr/avr.md (mcu_enhanced): Delete.
1627 (mcu_have_movw): Define.
1628 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1629 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1630 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1631 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1632 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1633 attiny861 and at86rf401 devices.
1635 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1637 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1640 2006-06-17 Karl Berry <karl@gnu.org>
1642 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1643 doc/gccint.texi, doc/install.texi (@dircategory): Use
1644 "Software development" instead of "Programming", following
1645 the Free Software Directory.
1647 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1649 * config/i386/i386.c (legitimate_tls_address)
1650 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1651 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1652 (*tls_dynamic_gnu2_combine_64): Likewise.
1654 2006-06-16 Richard Guenther <rguenther@suse.de>
1657 * fold-const.c (negate_expr_p): Do not introduce undefined
1658 overflow in negating INTEGER_CSTs.
1659 (fold_negate_expr): Rename from negate_expr. Revert last
1660 change for folding BIT_NOT_EXPR. Change semantics to
1661 return NULL_TREE for non-simplified negations. Do not
1662 strip type conversions and unify type handling.
1663 (negate_expr): New function, wrap around fold_negate_expr
1664 but ensure building a tree always. Strip type conversions
1665 here, fold to result type.
1666 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1668 2006-06-16 Roger Sayle <roger@eyesopen.com>
1671 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1672 that (would) return their results in stack registers.
1674 2006-06-16 Michael Matz <matz@suse.de>
1675 Richard Guenther <rguenther@suse.de>
1677 * fold-const.c (fold_truthop): Only return new tree node if
1678 we canonicalized something.
1680 2006-06-16 Richard Guenther <rguenther@suse.de>
1682 * function.h (enum function_frequency): Move declaration
1683 out of struct function.
1684 (struct function): Move bool fields and the enum to the bitfield
1685 section. Reorder elements to avoid padding. Remove unused
1686 fields left over from the RTL inliner removal.
1687 * function.c (free_after_compilation): Do not zero removed fields.
1688 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1689 (ipa-type-escape.o): Likewise.
1691 2006-06-16 Richard Guenther <rguenther@suse.de>
1693 * cgraph.h (struct cgraph_local_info): Turn bool elements
1695 (struct cgraph_node): Likewise.
1696 (struct cgraph_varpool_node): Likewise.
1698 2006-06-15 Richard Guenther <rguenther@suse.de>
1700 * fold-const.c (fold_truth_not_expr): Rename from
1701 invert_truthvalue. Give it fold_* semantics to avoid
1703 (invert_truthvalue): New function. Wrapper around
1704 fold_truth_not_expr.
1705 (optimize_minmax_comparison): Avoid creating garbage.
1706 (fold_unary): Use fold_truth_not_expr for folding
1708 (fold_ternary): Replace uses of invert_truthvalue with
1709 fold_truth_not_expr where applicable.
1710 * tree.h (fold_truth_not_expr): Prototype.
1712 2006-06-16 Richard Guenther <rguenther@suse.de>
1714 PR tree-optimization/27781
1715 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1716 * ipa-pure-const.c (target.h): Include.
1717 (analyze_function): Do not analyze functions that do not
1720 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1723 * tree-dfa.c (referenced_vars_dup_list): Remove.
1724 (find_referenced_vars): Remove assert.
1725 (referenced_var_check_and_insert): Replace dup list with assert.
1726 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1727 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1729 2006-06-15 Richard Guenther <rguenther@suse.de>
1731 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1732 extra unused identifiers if not dumping.
1733 (create_variable_info_for): Likewise.
1735 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1737 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1738 (derive_constant_upper_bound): Derive more precise upper bound in
1739 common cases. Return type changed to double_int.
1740 (record_estimate): Reflect the changed return type of
1741 derive_constant_upper_bound.
1742 * double-int.c (double_int_zext, double_int_sext): Fix.
1744 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1746 * configure.ac (CFLAGS): Get them from the toplevel or from the
1747 configure invocation.
1748 * configure: Regenerate.
1749 * Makefile.in (CFLAGS): Substitute value provided by configure.
1751 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1754 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1755 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1756 rather than calling add_stmt on it.
1757 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1759 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1762 * reload1.c (reload): Remove registers returned by update_eliminables
1763 from used_spill_regs.
1765 2006-06-13 DJ Delorie <dj@redhat.com>
1767 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1769 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1771 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1772 html__strip_dir, html__mkdir_p. Enhance install-html target.
1773 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1774 * configure: Regenerate.
1776 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1778 * fold-const.c (fold_cond_expr_with_comparison): Check for
1779 Objective-C++ as language in deciding COND_EXPR transformation.
1781 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1784 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1785 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1786 * config/sh/lib1funcs.h (SL, SL1): Define.
1787 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1788 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1789 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1790 (OBJS_Os_4_200): New variable.
1791 ($(T)libgcc-Os-4-200.a): Use it.
1792 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1793 when dividing 1 and/or by 0.
1795 2006-06-13 Roger Sayle <roger@eyesopen.com>
1797 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1798 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1799 * configure: Regenerate.
1801 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1803 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1804 for real instruction.
1806 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1809 * haifa-sched.c (check_cfg): Handle special case.
1811 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1814 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1815 Add debug_info parameter. Chain the vars to the BLOCK instead
1816 of the BIND_EXPR if debug info are requested for them.
1817 (pop_gimplify_context): Adjust for above change.
1818 (gimple_add_tmp_var): Likewise.
1819 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1821 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1822 (convert_local_reference): Likewise.
1823 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1824 (finalize_nesting_tree_1): Request that debug info be emitted
1825 for debug_var_chain.
1827 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1829 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1830 for PR target/27863.
1832 2006-06-13 Richard Guenther <rguenther@suse.de>
1835 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1837 2006-06-13 Richard Guenther <rguenther@suse.de>
1839 PR tree-optimization/27830
1840 * tree-inline.c (copy_body_r): For copying the operand
1841 of an ADDR_EXPR make sure to fold &* afterwards.
1843 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1845 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1846 lvalues in the fb_none case with side-effects.
1848 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1850 * tree-flow.h: Remove the prototype for
1851 compute_phi_arg_on_exit.
1852 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1853 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1856 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1858 * builtins.c (expand_builtin_return_addr): Only use
1859 frame_pointer_rtx when count == 0 and we are expanding
1860 __builtin_return_address.
1862 2006-06-12 Fred Fish <fnf@specifix.com>
1864 * config/mips/mips.c (mips_file_start): Create special section
1865 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1867 2006-06-11 Eric Christopher <echristo@apple.com>
1870 * stor-layout.c (place_field): Remove check for
1871 remaining_in_alignment when aligning at the end of a run.
1873 2006-06-11 Eric Christopher <echristo@apple.com>
1876 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1879 2006-06-11 Roger Sayle <roger@eyesopen.com>
1882 Revert incorrect fix for PR target/27158
1883 2006-05-08 Roger Sayle <roger@eyesopen.com>
1884 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1885 of a reg_equiv_constant if the result is a legitimate constant.
1887 2006-06-11 Roger Sayle <roger@eyesopen.com>
1890 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1891 extract a CONST_VECTOR element and interpret it as an integer.
1892 (vspltis_constant): Use const_vector_elt_as_int instead of the
1893 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1894 * config/rs6000/predicates.md (easy_vector_const): Consider
1895 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1897 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1900 * stor-layout.c (update_alignment_for_field): Don't add extra
1901 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1904 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1906 * config/mips/t-rtems: Add EL/EB multilib variants.
1908 2006-06-09 Mike Stump <mrs@apple.com>
1910 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1912 2006-06-09 David Daney <ddaney@avtrex.com>
1914 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1916 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1918 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1920 2006-06-09 Richard Guenther <rguenther@suse.de>
1922 PR tree-optimization/26998
1923 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1924 of signed types, only TYPE_MIN_VALUE is special, but for both,
1925 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1926 in this case, as is -fwrapv.
1928 2006-06-08 Mike Stump <mrs@apple.com>
1931 * config/darwin.c (darwin_asm_output_anchor): Disable
1932 -fsection-anchors on darwin for now.
1933 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1934 * rs6000/rs6000.c (optimization_options): Likewise.
1936 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1939 * config/i386/i386.c (classify_argument): Skip fields with invalid
1942 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1944 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1945 (cse_insn): Likewise for the stack_pointer_rtx.
1947 2006-06-08 Roger Sayle <roger@eyesopen.com>
1949 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1950 conditions from floating point comparisons.
1952 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1955 * expmed.c (struct alg_hash_entry): Fix type of field T
1956 to match synth_mult argument.
1957 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1959 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1962 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1965 2006-06-08 Richard Guenther <rguenther@suse.de>
1968 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1969 only, if overflow is defined and not trapping.
1970 (negate_expr): Likewise.
1972 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1974 PR tree-optimization/27872
1975 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1976 flag on the new exit edge of the unrolled loop.
1978 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1980 PR rtl-optimization/26449
1981 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1983 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1986 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1987 referenced_variables with matching DECL_UID's.
1988 (find_referenced_vars): Make sure duplicate list is empty to start.
1989 (referenced_var_p): Remove.
1990 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1991 Check if var is in the list, and add if needed. Update the duplicate
1992 list if a different var is in the list with the same DECL_UID.
1993 (add_referenced_var): Call routine to check and insert.
1994 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1995 * tree-flow.h (referenced_vars_dup_list): External declaration.
1997 2006-06-07 Fred Fish <fnf@specifix.com>
1999 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2002 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2005 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2006 the imaginary and real parts of a clobbered register.
2007 Emit insn to set the imaginary part.
2009 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2011 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2012 in lieu of unwind-dw2-fde.c.
2014 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2016 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2018 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2021 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2022 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2023 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2024 V4SImode temporaries and operations instead.
2026 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2028 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2031 2006-06-06 Mike Stump <mrs@apple.com>
2033 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2034 installing during build.
2036 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2038 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2040 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2041 * config/ia64/ia64.c (params.h): New header.
2042 (ia64_optimization_options): New function to adjust parameters.
2043 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2044 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2045 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2047 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2049 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2051 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2054 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2056 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2057 Victor Kaplansky <victork@il.ibm.com>
2059 PR tree-optimization/26360
2060 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2063 2006-06-04 Roger Sayle <roger@eyesopen.com>
2064 Andrew Pinski <pinskia@physics.uc.edu>
2067 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2068 for LABEL_DECL before calling DECL_WEAK.
2071 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2072 LABEL_DECL and PARM_DECL.
2074 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2078 * c-decl.c (grokdeclarator): Disallow variably modified types at
2079 file scope. Avoid marking shared array type of constant size as
2082 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2085 * c-common.c (fold_offsetof_1): Handle static members.
2087 2006-06-04 Eric Christopher <echristo@apple.com>
2089 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2090 (debug_rli): Output value for remaining_in_alignment.
2091 (update_alignment_for_field): Unconditionalize
2092 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2093 extra alignment code.
2094 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2095 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2096 * tree.h (record_layout_info_s): Remove prev_packed.
2097 * doc/extend.texi (ms_struct): Add documentation of format.
2099 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2101 * tree.h: Declare folding_initializer.
2102 * builtins.c (fold_builtin_constant_p): Give definite answer
2103 if folding inside an initializer.
2104 * fold-const.c: Define folding_initializer.
2105 (START_FOLD_INIT): Save and then set folding_initializer.
2106 (END_FOLD_INIT): Restore folding_initializer.
2108 2006-06-04 Richard Guenther <rguenther@suse.de>
2110 PR tree-optimization/27039
2111 * fold-const.c (fold_comparison): Handle pointer comparison
2112 again for all comparison codes. Compare offsets in signed
2114 (fold_binary): Move code from here.
2116 2006-06-03 Roger Sayle <roger@eyesopen.com>
2119 * config/i386/i386.c (construct_container): Split static issued_error
2120 flag into issued_sse_arg_error, issued_sse_ret_error and
2121 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2122 requires the use of x87 registers and the user explicitly
2123 specified the -mno-80387 command line option.
2125 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2127 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2128 HAVE_DECL_SIGALTSTACK.
2130 (segv_handler): Use MC_FLD.
2131 * configure.ac: Check for a sigaltstack declaration.
2132 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2133 * configure: Regenerate.
2134 * config.in: Regenerate.
2136 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2139 * Makefile.in (stmp-fixinc): Fix typo.
2141 2006-06-02 Roger Sayle <roger@eyesopen.com>
2143 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2144 are type correct. Clean-up.
2145 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2146 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2148 2006-06-01 DJ Delorie <dj@redhat.com>
2150 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2151 shift, as we've disabled the "switch" insn that needs it.
2153 2006-06-01 Per Bothner <bothner@bothner.com>
2155 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2156 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2157 * c-ppoutput.c (cb_define): Don't increment line 0.
2159 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2161 * doc/invoke.texi: Add cpu_type power6.
2162 * config.gcc: Add cpu_type power6.
2163 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2164 to power5+ with Altivec.
2165 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2166 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2168 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2170 * config/avr/avr.h (SET_ASM_OP): Define.
2172 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2174 * config/bfin/bfin.c: Fix comment typos.
2176 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2179 * doc/install.texi: Document --enable-bootstrap and
2180 --disable-bootstrap.
2182 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2184 * doc/install.texi: Document that InfoZIP can replace jar.
2186 2006-05-31 Roger Sayle <roger@eyesopen.com>
2188 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2189 isn't available, directly generate the simpler x87 patterns without
2190 the (use (const_int 0)).
2191 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2192 implementation isn't available.
2193 (*negdf2_1): Likewise.
2194 (*negxf2_1): XF mode negation is always done using the x87.
2195 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2197 2006-05-31 Roger Sayle <roger@eyesopen.com>
2199 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2200 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2202 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2204 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2206 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2207 * config/bfin/bfin.c (basic-block.h): Include.
2208 (struct machine_function): New.
2209 (bfin_init_machine_status): New.
2210 (override_options): Initialize init_machine_status.
2211 (bfin_hardware_loop): New.
2212 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2213 (DEF_VEC_P (loop_info)): New.
2214 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2215 (struct loop_info): New.
2216 (loop_info): New typedef.
2217 (struct loop_work): New.
2218 (loop_work): New typedef.
2219 (DEF_VEC_O (loop_work)): New.
2220 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2221 (bfin_dump_loops): New.
2222 (bfin_bb_in_loop): New.
2223 (bfin_scan_loop): New.
2224 (bfin_optimize_loop): New.
2225 (bfin_reorg_loops): New.
2226 (bfin_reorg): Use bfin_reorg_loops.
2227 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2229 (I_REGNO_P): Simplify.
2230 (DP_REGNO_P, DPREG_P): New macros.
2231 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2232 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2233 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2234 Add LT_REGS, LC_REGS, LB_REGS.
2235 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2237 (REGNO_REG_CLASS): Deal with loop registers.
2238 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2240 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2241 New constants for loop registers.
2242 (UNSPEC_LSETUP_END): New.
2243 (seq_insns): New define_attr. Set it for appropriate insns.
2244 (movsi_insn): Add alternatives for move from/to
2245 loop count registers.
2246 (doloop_end): New define_expand.
2247 (loop_end): New define_insn.
2248 (define_split for bad doloop_end): New.
2249 (lsetup_with_autoinit): New define_insn.
2250 (lsetup_without_autoinit): New define_insn.
2251 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2252 * config/bfin/predicates.md (lc_register_operand): New.
2253 (lt_register_operand): New.
2254 (lb_register_operand): New.
2255 (nondp_register_operand): New.
2256 (nondp_reg_or_memory_operand): New.
2257 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2259 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2261 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2262 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2264 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2266 * Makefile.in (CATALOGS): Add po/ prefix.
2267 * configure: Regenerated.
2269 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2272 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2273 a shift operand before calling shift_op. Avoid redundant call of
2276 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2277 DJ Delorie <dj@redhat.com>
2279 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2280 we're inserting is a singlt-bit constant.
2282 2006-05-30 Roger Sayle <roger@eyesopen.com>
2284 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2285 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2287 2006-05-30 Roger Sayle <roger@eyesopen.com>
2289 PR tree-optimization/23452
2290 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2291 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2292 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2293 complex values and with -ffast-math for FP complex values.
2295 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2297 * c-common.h: Remove the prototype for yyparse.
2298 * rtl.h: Remove the prototype for init_loop.
2300 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2302 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2305 2006-05-30 Roger Sayle <roger@eyesopen.com>
2307 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2309 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2310 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2312 2006-05-30 Dirk Mueller <dmueller@suse.de>
2315 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2316 for CONSTANT_CLASS_P expresisons.
2318 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2321 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2323 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2325 PR tree-optimization/27779
2326 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2327 initial_condition instead of CHREC_LEFT.
2329 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2331 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2332 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2333 Make prototypes ISO C90.
2335 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2336 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2338 * see.c (see_analyze_one_def): Correct check.
2339 (see_get_extension_data): Check if extension is parallel.
2340 (see_get_extension_reg): Likewise.
2342 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2345 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2346 into register for (code == GTU).
2348 2006-05-29 Roger Sayle <roger@eyesopen.com>
2350 PR tree-optimization/24964
2351 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2352 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2353 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2354 abs(x)*abs(x) as x*x for scalar floating point modes.
2356 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2359 * lambda-code.c (perfect_nestify): Don't copy statements
2360 in the inner loop: move them to the inner loop header.
2362 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2365 * c-tree.texi: Document OpenMP directives and clauses.
2367 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2369 * varasm.c (globalize_decl): Fix indentation.
2371 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2374 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2375 pass_fre, pass_store_ccp, pass_copy_prop,
2376 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2377 pass_return_slot, pass_object_size, pass_lim,
2378 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2379 pass_loop_prefetch and pass_stdarg.
2381 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2383 * config/bfin/bfin.opt (mfdpic): New option.
2384 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2385 (EXTRA_MULTILIB_PARTS): Likewise.
2386 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2387 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2389 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2390 (CRT_CALL_STATIC_FUNCTION): New.
2391 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2393 (CRT_CALL_STATIC_FUNCTION): New.
2394 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2396 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2397 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2398 (initialize_trampoline): Changed to handle FD-PIC code generation.
2399 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2400 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2401 (override_options): Disallow -mid-shared-library -mfdpic combination.
2402 Can't do unaligned ops if FD-PIC.
2403 Turn off flag_pic if trying to generate non-id-shared-library
2404 non-fdpic code, since it's not supported.
2405 (bfin_assemble_integer): New function.
2406 (TARGET_ASM_INTEGER): Define.
2407 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2409 * config/bfin/crtn.s: Restore them.
2410 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2412 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2413 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2414 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2415 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2416 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2418 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2419 FDPIC_REGS and FDPIC_FPTR_REGS.
2420 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2421 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2422 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2423 (load_funcdescsi): New pattern.
2424 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2425 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2426 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2428 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2430 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2433 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2435 * tree-flow.h: Remove the prototype for add_type_alias.
2436 * tree-ssa-alias.c (add_type_alias): Remove.
2438 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2440 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2441 config/fr30/fr30.md, config/i386/i386-interix.h,
2442 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2443 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2444 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2445 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2446 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2447 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2448 Follow spelling conventions.
2449 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2450 Follow spelling conventions.
2452 2006-05-27 Richard Guenther <rguenther@suse.de>
2455 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2456 to produce a constant of value 1 of generic type.
2458 2006-05-27 Dirk Mueller <dmueller@suse.de>
2460 * cgraphunit.c (decide_is_function_needed): Fix wrong
2463 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2465 PR rtl-optimization/27661
2466 * reload.c (find_reloads): When reloading a VOIDmode constant
2467 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2468 use Pmode as mode of the reload register.
2470 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2472 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2473 is enabled at -O and above.
2475 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2478 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2481 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2484 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2485 for anonymous variables explicitly declared by front ends.
2487 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2489 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2490 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2491 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2492 ref-all pointers, run a finalization pass for them.
2493 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2494 (finalize_ref_all_pointers): New function.
2495 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2496 regular pointer type to a ref-all pointer type.
2497 (get_tmt_for): Return the special memory tag for ref-all pointers.
2499 2006-05-25 Richard Guenther <rguenther@suse.de>
2502 * fold-const.c (fold_binary): Do not look at the stripped
2503 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2505 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2507 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2508 for LT and GT if the computed range is effectively empty.
2510 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2513 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2514 mips_quad_format formats instead of ieee_single_format,
2515 ieee_double_format and ieee_quad_format formats, respectively.
2517 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2519 PR tree-optimization/27639
2520 PR tree-optimization/26719
2521 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2522 call to scev_probably_wraps_p.
2523 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2524 used_in_pointer_arithmetic_p, convert_step): Removed.
2525 (nowrap_type_p): New function.
2526 (scev_probably_wraps_p): Rewritten.
2527 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2528 chrec_convert if chrec_convert_aggressive might have been used.
2529 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2530 scev_direction): New functions.
2531 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2532 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2533 instead of convert_step.
2534 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2535 (convert_step): Declaration removed.
2536 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2538 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2540 * df-core.c: Added to header comments.
2541 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2542 df_ur_bb_info, df_urec_bb_info): Added comments.
2543 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2544 urec, ri problems): Fixed header comments.
2545 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2546 code from df_rd_transfer_function.
2548 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2550 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2551 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2552 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2554 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2556 * expr.c (undefined_operand_subword_p): New.
2557 (emit_move_multi_word): Do not generate move from undefined bits
2558 of a paradoxical subreg.
2560 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2562 PR rtl-optimization/27736
2563 * combine.c (replaced_rhs_value): New variable.
2564 (combine_instructions): Set it.
2565 (distribute_notes): When distributing a note in replaced_rhs_insn,
2566 check whether the value was used in replaced_rhs_value.
2568 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2571 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2572 add_referenced_var instead of add_referenced_tmp_var.
2573 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2574 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2576 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2577 tree_optimize_tail_calls_1): Use add_referenced_var.
2578 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2579 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2580 Use add_referenced_var.
2581 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2582 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2583 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2584 Use add_referenced_var.
2585 * tree-dfa.c (struct walk_state): Remove.
2586 (find_referenced_vars): Remove walk state and vars_found hash table.
2587 (make_rename_temp): Use add_referenced_var.
2588 (find_vars_r): Pass less parameters to add_referenced_var.
2589 (referenced_var_p): New. Is var in referenced_var hash table.
2590 (referenced_var_insert): Assert var isn't already in hash table.
2591 (add_referenced_var): Don't need walk_state parameter. Add var if it
2592 isn't already in the hash table.
2593 (add_referenced_tmp_var): Remove.
2594 (find_new_referenced_vars_1): Use add_referenced_var.
2595 * tree-ssa-pre.c (create_expression_by_pieces,
2596 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2597 Use add_referenced_var.
2598 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2599 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2600 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2602 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2603 vect_create_data_ref_ptr, vect_create_destination_var,
2604 vect_init_vector, vect_build_loop_niters,
2605 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2606 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2607 Use add_referenced_var.
2608 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2609 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2610 (add_referenced_var): Add prototype.
2611 * tree-ssa-structalias.c (get_constraint_for,
2612 intra_create_variable_infos): Use add_referenced_var.
2614 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2616 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2617 big-endian paradoxical subregs.
2618 * var-tracking.c (struct micro_operation_def): Document that,
2619 for modify micro operations, insn is the subsequent instruction.
2620 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2621 (var_reg_set, var_mem_set): ... new functions.
2622 (add_stores): Record subsequent insn.
2623 (compute_bb_dataflow): Use new functions for MO_USE.
2624 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2625 notes after the insn, and modify notes before the insn known
2626 to be the subsequent one.
2627 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2629 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2632 * config/i386/i386.c (ix86_expand_builtin): Use
2633 gen_sse3_monitor64 for TARGET_64BIT.
2635 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2637 PR rtl-optimization/26375
2638 PR rtl-optimization/26855
2639 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2641 (df_ru_bb_local_compute): Reversed statements and removed bogus
2642 comment explaining why they should be in wrong order.
2643 (df_ru_dump, df_rd_dump): Enhanced debug info.
2644 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2646 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2647 reaching uses and fixed space problem.
2649 2006-05-23 Jan Hubicka <jh@suse.cz>
2651 * cgraphunit.c (decide_is_function_needed): Also nested functions
2652 and functions declared inline can be optimized out at -O0.
2654 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2656 * doc/install.texi (Configuration): Remove reference to CrossGCC
2660 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2663 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2664 ix86_compare_emitted is non-NULL.
2666 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2669 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2672 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2674 PR rtl-optimization/25514
2675 * combine.c (replaced_rhs_insn): New variable.
2676 (combine_instructions): Set replaced_rhs_insn when trying to replace
2677 a SET_SRC with a REG_EQUAL note.
2678 (distribute_notes): Use replaced_rhs_insn when determining the live
2679 range of a REG_DEAD register.
2681 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2682 Anatoly Sokolov <aesok@post.ru>
2684 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2685 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2686 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2687 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2688 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2689 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2690 at90usb647, at90usb1286 and at90usb1287 devices.
2691 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2692 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2694 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2696 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2698 2006-05-22 Richard Guenther <rguenther@suse.de>
2701 2006-01-31 Richard Guenther <rguenther@suse.de>
2702 Paolo Bonzini <bonzini@gnu.org>
2704 * doc/install.texi (--disable-libgcc-math): Document.
2706 2006-05-22 Richard Guenther <rguenther@suse.de>
2709 2006-01-31 Richard Guenther <rguenther@suse.de>
2711 * doc/invoke.texi (-msselibm): Document.
2712 * target.h (expand_library_builtin): New target hook.
2713 * builtins.c (expand_builtin): Use expand_library_builtin.
2714 (default_expand_library_builtin): New function.
2715 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2716 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2717 (link_gcc_math_spec): Declare.
2718 (static_specs): Add link_gcc_math_spec.
2719 * expr.h (default_expand_library_builtin): Declare.
2720 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2721 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2722 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2723 * config/i386/i386.opt (msselibm): New target option.
2724 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2725 (ix86_init_sse_abi_builtins): New function.
2726 (ix86_expand_library_builtin): Likewise.
2727 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2728 (override_options): Handle error conditions wrt -msselibm.
2729 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2730 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2731 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2734 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2737 * c-common.c (self_promoting_args_p): Skip erroneous args.
2740 * c-decl.c (finish_struct): Skip erroneous fields.
2742 2006-05-22 Nick Clifton <nickc@redhat.com>
2744 * config/cris/cris.opt (march): Remove VarExists attribute.
2745 (max-stackframe=): Likewise.
2747 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2749 * doc/rtl.texi: Fix a typo.
2750 * see.c: Fix comment typos.
2752 * tree-ssa-structalias.h (alias_info): Remove num_references.
2754 2006-05-21 Mike Stump <mrs@apple.com>
2756 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2758 (darwin_pragma_options): Use BAD instead.
2759 (darwin_pragma_unused): Likewise.
2760 (darwin_pragma_ms_struct): Likewise.
2762 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2764 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2766 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2768 PR rtl-optimization/27671
2769 * simplify-rtx.c (simplify_relational_operation_1): Fix
2770 simplifications of (eq/ne (xor x y) y) and
2771 (eq/ne (xor x y) x).
2773 PR tree-optimization/26622.
2774 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2777 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2779 * tree-cfg.c: Prune whitespace.
2780 (debug_tree_cfg): Point to correct header containing the
2783 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2786 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2788 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2791 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2792 or sorry count is non zero.
2794 2006-05-20 Andreas Schwab <schwab@suse.de>
2796 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2798 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2799 Kenneth Zadeck <zadeck@naturalbridge.com>
2801 PR rtl-optimization/26855
2803 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2805 (df_scan_alloc): Added code to properly handle multiword hard
2806 registers and add all_blocks parameter.
2807 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2808 code to properly handle multiword hard registers.
2809 (df_rescan_blocks): Added code to remove deleted blocks from
2811 (df_ref_create_structure, df_ref_record): Added code to properly
2813 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2814 and set DF_REF_PARTIAL.
2815 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2816 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2817 (df_scan_add_problem): Added flags parameter.
2818 (df_ref_create_structure): Changed switching structure.
2819 (df_bb_refs_record): Fixed case where duplicate artificial refs
2820 were created. Changed location of flags.
2821 (df_record_entry_block_defs): Added code to make stack pointer
2822 live in entry block. Refined cases where frame pointer is needed.
2823 Changed location of flags.
2824 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2825 (df_set_state): Removed function.
2826 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2827 df_insn_create_insn_record, df_insn_refs_delete,
2828 df_ref_create_structure): Formatting changes.
2829 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2830 df_delete_basic_block): New function.
2831 (df_init): Changed location of flags.
2832 (df_add_problem): Added flags parameter and the way flags are
2834 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2835 debug_df_chain): Improved debugging output.
2836 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2837 (df_refs_chain_dump): Removed df parameter.
2838 (df_iterative_dataflow): Added consistency check.
2839 (df_prune_to_subcfg): Made public.
2840 (df_analyze_problem): Added blocks_to_init parameter and made
2842 (df_ref_record, df_bb_refs_record, df_mark_reg,
2843 df_record_exit_block_uses): Whitespace changes.
2844 (df_dump): Whitespace changes.
2845 * df.h: Some reordering to remove forward references.
2846 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2847 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2848 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2849 (dataflow.flags): New field.
2850 (df.flag): Deleted field.
2851 (df_alloc_function): Added additional bitmap parameter.
2852 (df_dependent_problem_function): New type.
2853 (df_problem.changeable_flags): New field.
2854 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2855 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2856 (df_mw_hardreg): New struct.
2857 (DF_INSN_UID_MWS): New macro.
2858 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2860 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2861 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2862 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2863 (df_set_state): Removed function.
2864 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2865 * df-problems.c (df_chain_dump): Removed df parameter.
2866 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2867 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2869 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2870 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2871 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2872 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2873 DF_REF_MUST_CLOBBER cases.
2874 (df_ru_bb_local_compute_process_def,
2875 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2876 df_lr_bb_local_compute, df_ur_bb_local_compute,
2877 df_chain_create_bb): Made subreg aware.
2878 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2879 df_lr_bb_local_compute, df_lr_bb_local_compute,
2880 df_chain_create_bb): Cleanup to use proper macros.
2881 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2882 code to fixup bitvectors.
2883 (df_ri_alloc): Cleared lifetime.
2884 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2885 df_create_unused_note): New function.
2886 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2887 REG_DEAD and REG_UNUSED notes as well as register information.
2888 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2889 df_chains_dump): Fixed crash if problem was never run.
2890 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2891 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2892 df_ri_add_problem): Processes flags in uniform manner.
2893 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2894 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2895 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2896 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2897 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2898 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2899 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2900 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2901 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2902 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2903 * see.c (see_initialize_data): Ditto.
2904 * final.c (rest_of_clean_state) Added regstack_completed.
2905 * rtl.h (regstack_completed): Ditto.
2906 * reg-stack.c (regstack_completed): Ditto.
2908 2006-05-19 Mike Stump <mrs@apple.com>
2910 * c-tree.h (default_conversion): Remove.
2911 * c-common.h (default_conversion): Add.
2913 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2915 * tree-vrp.c (valid_value_p): New function.
2916 (adjust_range_with_scev): Fail if the value of bound is not
2919 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2921 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2922 (mips_fallback_frame_state): Use syscall numbers to determine
2923 the appropriate li instruction for the current ABI. Only use
2924 __NR_sigreturn for o32.
2926 2006-05-19 Nicolas Setton <setton@adacore.com>
2928 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2929 * langhooks.c (lhd_dwarf_name): New function.
2930 * langhooks-def.h (lhd_dwarf_name): Declare.
2931 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2932 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2933 * ada/misc.c (gnat_dwarf_name): New function.
2934 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2936 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2938 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2940 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2941 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2942 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2943 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2944 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2945 determine the size of Wtype, etc.
2946 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2947 (swfloatfuncs): New variable.
2948 (dwfloatfuncs): Likewise.
2949 (lib2funcs): Remove floating-point conversion functions from
2950 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2951 the set of conversion routines needed. Allow entries to specify
2952 an object name, filename and word size. Update users accordingly.
2953 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2954 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2958 2006-02-08 Roger Sayle <roger@eyesopen.com>
2961 * config/fixtfdi.c: New libgcc source file.
2962 * config/fixunstfdi.c: New source file.
2963 * config/floatditf.c: New source file.
2964 * config/floatunditf.c: New souce file.
2965 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2966 files above instead of config/mips/_tilib.c.
2967 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2969 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2971 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2972 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2974 2006-05-18 Mike Stump <mrs@apple.com>
2976 Fix up vla, vm and [*] sematics.
2982 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2983 (c_vla_unspec_p): Add.
2984 (c_vla_type_p): Add.
2985 * c-decl.c (struct c_scope): Add had_vla_unspec.
2986 (build_array_declarator): Add support for [*].
2987 (grokdeclarator): Likewise.
2988 (grokparms): Likewise.
2989 (get_parm_info): Likewise.
2990 * c-objc-common.c (c_vla_unspec_p): Likewise.
2991 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2992 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2993 typeof when argument is a variably modified type not inside sizeof or alignof.
2994 (c_parser_direct_declarator_inner): Propagate errors.
2995 (c_parser_sizeof_expression): Add support for [*].
2996 (c_parser_parms_declarator): Initialize had_vla_unspec.
2997 (c_parser_parms_list_declarator): Likewise.
2998 * c-typeck.c (c_vla_type_p): Add.
2999 (composite_type): Add support for vla compositing.
3000 (comptypes_internal): Add support for vla compatibility.
3001 (c_expr_sizeof_expr): Evaluate vla arguments.
3002 * tree.c (variably_modified_type_p): Update comment for [*].
3004 2006-05-18 Michael Matz <matz@suse.de>
3007 * config.host: Make assignments to host_xmake_file cumulative.
3008 * config.host (*-darwin*): Test $host, not $target.
3010 2006-05-12 Stuart Hastings <stuart@apple.com>
3012 * config/i386/i386.opt (-mstackrealign): New flag.
3013 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3014 (ix86_handle_cconv_attribute): Emit error when
3015 force_align_arg_pointer attribute collides with too many regparms.
3016 (ix86_function_regparm): Limit regparms when used with
3017 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3018 Support stack-realigning prologue in non-main functions. Emit
3019 warning for nested functions under -mstackrealign, emit error for
3020 nested functions with force_align_arg_pointer attribute.
3021 * doc/extend.texi (force_align_arg_pointer): Document it.
3022 * doc/invoke.texi (-mstackrealign): Document it.
3024 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3026 PR rtl-optimization/27477
3027 * combine.c (try_combine): Don't split a parallel consisting
3028 of two sets into two individual sets if both sets reference
3031 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3033 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3034 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3036 * doc/options.texi (VarExists): Updated.
3038 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3040 * unwind-dw2.c: Add declarations for uw_update_context and
3042 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3043 detected, advance frame state and context once to skip over stub.
3045 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3049 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3050 Call rewrite_into_loop_closed_ssa only when something changed.
3051 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3052 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3053 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3054 Test for perfect_nest_p here. Fix formating.
3055 (replace_uses_equiv_to_x_with_y): Fix formating.
3056 (stmt_uses_op): Removed.
3057 (can_convert_to_perfect_nest): Removed loopivs parameter.
3058 Complete the test by checking the scalar dependences.
3059 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3062 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3065 From Dan Kegel <dank@kegel.com>:
3066 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3068 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3070 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3071 if the element type is variably modified without recursing.
3073 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3076 * tree-loop-linear.c (try_interchange_loops): Test for
3077 no data dependences.
3079 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3081 PR tree-optimization/27548
3082 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3083 range of ssa names that appear on abnormal edges.
3084 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3085 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3087 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3090 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3092 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3095 * tree.h (OMP_PARALLEL_COMBINED): Define.
3096 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3097 (new_omp_context): Add is_combined_parallel argument.
3098 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3099 new_omp_context caller.
3100 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3101 Adjust gimplify_scan_omp_clauses callers.
3102 (omp_is_private): Issue errors if iteration variable is firstprivate
3103 or reduction in the current context.
3104 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3105 on combined parallel workshare constructs.
3107 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3109 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3110 (gcc-options.o): New rule.
3112 * optc-gen.awk: Protect variables for gcc-options.o with
3113 #ifdef GCC_DRIVER/#endif.
3115 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3117 Fix PR tree-optimization/27373
3118 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3119 (forward_propagate_addr_expr): Update call.
3121 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3123 * doc/options.texi: Move the Negative option.
3125 2006-05-16 Richard Guenther <rguenther@suse.de>
3127 PR tree-optimization/22303
3128 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3130 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3131 ccp_fold did not simplify the statement.
3133 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3136 * Makefile.in (GCC_OBJS): New.
3137 (OBJS-common): Add opts-common.o.
3138 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3139 (cpp$(exeext)): Likewise.
3140 (gcc.o): Also depend on opts.h.
3141 (opts-common.o): New.
3143 * common.opt (gcoff): Add Negative(gdwarf-2).
3144 (gdwarf-2): Add Negative(gstabs).
3145 (gstabs): Add Negative(gstabs+).
3146 (gstabs+): Add Negative(gvms).
3147 (gvms): Add Negative(gxcoff).
3148 (gxcoff): Add Negative(gxcoff+).
3149 (gxcoff+): Add Negative(gcoff).
3150 * config/i386/i386.opt (m32): Add Negative(m64).
3151 (m64): Add Negative(m32).
3153 * doc/options.texi: Document the Negative option.
3155 * gcc.c: Include "opts.h".
3156 (main): Call prune_options after expandargv.
3158 * optc-gen.awk: Generate common declarations for all flag
3159 variables in options.c. Output the neg_index field.
3161 * opts.c (find_opt): Moved to ...
3162 * opts-common.c: Here. New file.
3164 * opts.h (cl_option): Add a neg_index field.
3166 (prune_options): Likewise.
3168 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3171 * omp-low.c (expand_omp_parallel): Don't assert
3172 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3173 instead search for it.
3176 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3179 2006-05-16 Andreas Schwab <schwab@suse.de>
3181 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3184 2006-05-15 Roger Sayle <roger@eyesopen.com>
3187 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3188 integer constants other than zero are only legitimate on TARGET_64BIT.
3189 <CONST_VECTOR> Only zero vectors are legitimate.
3190 (ix86_cannot_force_const_mem): Integral and vector constants can
3191 always be put in the constant pool.
3193 2006-05-16 DJ Delorie <dj@redhat.com>
3195 * crtstuff.c (__dso_handle): Set section from
3196 TARGET_LBIGCC_SDATA_SECTION if defined.
3197 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3198 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3200 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3203 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3206 2006-05-16 Ben Elliston <bje@au.ibm.com>
3208 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3210 2006-05-15 Per Bothner <per@bothner.com>
3212 * tree.c: (last_annotated_node): Use source_locus typedef.
3213 This permits bootstrapping with --enable-mapped-location.
3215 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3217 PR tree-optimization/26830
3218 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3219 (info_for_ssa_name, current_info_for_ssa_name_age,
3220 blocks_to_update): New variables.
3221 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3222 (clear_ssa_name_info, initialize_flags_in_bb,
3223 mark_block_for_update): New functions.
3224 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3225 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3226 prepare_def_site_for): Use mark_block_for_update.
3227 (mark_def_interesting): Assert that the processed block is marked in
3228 blocks_to_update. Do not take blocks argument.
3229 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3231 (rewrite_update_init_block, rewrite_update_stmt): Only process
3232 blocks with statements to rewrite.
3233 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3234 (update_ssa): Initialize and free blocks_to_update. Do not
3235 clear flags on statements. Do not use blocks bitmap.
3236 * tree.h (SSA_NAME_AUX): Removed.
3237 (struct tree_ssa_name): Removed aux field.
3238 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3240 2006-05-15 Richard Guenther <rguenther@suse.de>
3242 PR tree-optimization/27603
3243 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3244 Do computations in original type.
3246 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3248 * see.c: Code style changes such as redundant paranthesis,
3249 redundant intialization of local variables etc.
3250 (see_main): Declared now as static.
3251 * doc/invoke.texi: Update that -fsee is not enabled by
3254 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3256 * omp-low.c (check_omp_nesting_restrictions): New function.
3257 (scan_omp_1): Call it.
3260 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3261 construct, return *VAR.
3263 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3265 PR rtl-optimization/27406
3266 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3269 2006-05-14 Roger Sayle <roger@eyesopen.com>
3271 PR rtl-optimization/27538
3272 * combine.c (expand_compound_operation): Call gen_lowpart
3273 before calling simplify_shift_const.
3275 2006-05-14 Roger Sayle <roger@eyesopen.com>
3277 PR rtl-optimization/22563
3278 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3279 a fixed width bitfield, always force the intermediates into psuedos.
3281 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3284 * mkconfig.sh: Use operator = instead of == for test.
3286 2006-05-13 Nick Clifton <nickc@redhat.com>
3288 * dwarf2out.c (dbx_reg_number): Check return value from
3289 LEAF_REG_REMAP and only use it if it is valid.
3290 (multiple_reg_loc_descriptor): Likewise.
3292 2006-05-13 Richard Guenther <rguenther@suse.de>
3294 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3297 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3299 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3300 information attached to non-INSNs such as NOTEs.
3301 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3303 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3305 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3307 * config/s390/s390.md: Adjust comment describing On constraint.
3309 2006-05-11 Jan Hubicka <jh@suse.cz>
3311 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3312 to be output at -O0.
3314 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3317 * fold-const.c (size_binop): Move sanity check for arguments to
3318 the beginning of the function.
3321 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3324 2006-05-11 Richard Guenther <rguenther@suse.de>
3327 * fold-const.c (fold_unary): Handle intermediate conversion
3328 to a pointer type like intermediate conversion to an integer
3329 type in folding of (T1)(T2)var to var.
3330 Match the code to the comment in the final conversion for
3331 (T1)(T2)var to (T1)var regarding to type precision. Rather
3332 than disallow T1 being of pointer type, assert that both T1
3333 and var are of pointer type or not. Make sure not to fall
3334 over the frontends lazyness wrt array to pointer decay though.
3336 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3338 * arm.c (arm_struct_value_rtx): Delete.
3339 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3340 (arm_init_cumulative_args): Always initialize nregs to zero.
3342 2006-05-10 Richard Guenther <rguenther@suse.de>
3344 PR tree-optimization/27532
3345 * tree-object-size.c (plus_expr_object_size): Fix typo.
3347 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3350 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3351 ashrdi_const, ashrdi3): Use a scratch register.
3353 2006-05-10 Richard Guenther <rguenther@suse.de>
3355 PR tree-optimization/27302
3356 * fold-const.c (operand_equal_p): For two comparisons,
3357 try comparison of one comparison code swapped if that yields
3360 2006-05-10 Ben Elliston <bje@au.ibm.com>
3362 * tree-pretty-print.c (pretty_print_string): No need to handle
3363 '\0' as a special character.
3365 * tree.h: Include "hashtab.h".
3366 (iterative_hash_expr): Use hashval_t in its prototype.
3367 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3369 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3372 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3373 (hppa*64*-*-hpux11*): Ditto.
3374 (hppa[12]*-*-hpux11*): Ditto.
3376 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3379 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3381 2006-05-09 Michael Matz <matz@suse.de>
3383 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3384 host_extra_gcc_objs and host_xmake_file.
3385 (<*-*-linux*>): Don't overwrite host_xmake_file.
3386 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3387 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3388 (host_detect_local_cpu): Declare.
3389 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3390 * config/i386/i386.c (override_options): Handle -mtune=native
3392 * config/i386/x-i386: New file.
3393 * config/i386/driver-i386.c: New file.
3394 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3397 2006-05-09 Dirk Mueller <dmueller@suse.de>
3398 Richard Guenther <rguenther@suse.de>
3401 * fold-const.c (fold_read_from_constant_string): Relax check
3402 for matching types to matching modes.
3404 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3406 PR rtl-optimization/27335
3407 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3410 2006-05-08 Chao-ying Fu <fu@mips.com>
3411 Richard Sandiford <richard@codesourcery.com>
3413 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3414 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3415 * config/mips/mips.md (UNSPEC_SCC): New constant.
3416 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3417 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3418 (mips_emit_compare): Use it.
3419 (mips_expand_vcondv2sf): New function.
3421 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3423 Fix PR tree-optimization/27093
3424 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3425 renaming when they become not-used_alone.
3427 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3429 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3430 relocation and relocation stubs.
3432 2006-05-08 Eric Christopher <echristo@apple.com>
3434 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3437 2006-05-08 Jan Hubicka <jh@suse.cz>
3440 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3441 unused static functions are needed.
3443 2006-05-08 Roger Sayle <roger@eyesopen.com>
3446 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3447 of a reg_equiv_constant if the result is a legitimate constant.
3449 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3452 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3453 standard 80387 constants, raise the cost to prevent
3454 compress_float_constant() to generate load from memory.
3456 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3458 * config/arm/constraints.md (c): Fix a typo.
3460 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3463 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3466 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3468 (_mm_mwait): Likewise.
3470 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3472 (sse3_monitor): Make it 32bit only.
3473 (sse3_monitor64): New. 64bit monitor.
3475 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3478 * config/i386/i386.c (classify_argument): Skip fields with invalid
3481 2006-05-07 Richard Guenther <rguenther@suse.de>
3483 PR tree-optimization/27409
3484 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3485 Do not try to find zero-sized subvars.
3487 2006-05-07 Richard Guenther <rguenther@suse.de>
3489 PR tree-optimization/27136
3490 * tree-ssa-loop-niter.c (get_val_for): Correct function
3491 comment, assert requirements.
3492 (loop_niter_by_eval): Stop processing if the iterated
3493 value did not simplify.
3495 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3497 * opts.c (flag_see): remove its setting at -O3.
3499 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3501 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3502 * arm/constraints.md: New file.
3503 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3504 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3505 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3506 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3507 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3508 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3509 * arm.md: Include constraints.md.
3510 (thumb_movsi_insn): Use satisfies_constraint_J.
3511 (movhi, movqi): Use satisfies_constraint_I.
3513 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3515 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3516 for atmeg a645 device.
3518 2006-05-06 Richard Guenther <rguenther@suse.de>
3520 PR tree-optimization/27151
3521 * tree-vect-transform.c (vectorizable_condition): Punt on
3522 values that have a different type than the condition.
3524 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3527 * c-parser.c (c_parser_cast_expression): Only insert casts into
3528 hash table if pointer.
3529 * function.c (used_types_insert_helper): Rename from
3531 (used_types_insert): Call used_types_insert_helper.
3532 * function.h (used_types_insert): Accept only one argument.
3534 2006-05-05 David Edelsohn <edesohn@gnu.org>
3536 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3537 scratch with output modifier.
3539 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3542 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3543 with output modifier.
3545 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3548 * config/mips/mips.c (mips_symbolic_address_p): Return true
3549 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3550 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3552 2006-05-04 Richard Guenther <rguenther@suse.de>
3554 PR tree-optimization/14287
3555 PR tree-optimization/14844
3556 PR tree-optimization/19792
3557 PR tree-optimization/21608
3558 PR tree-optimization/27090
3559 * tree-ssa-pre.c (try_combine_conversion): New function.
3560 (compute_avail): After constructing the value-handle
3561 expression, use try_combine_conversion to combine NOP_EXPRs
3562 with previous value-handle expressions and use the result if it
3565 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3567 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3569 2006-05-04 Jan Hubicka <jh@suse.cz>
3572 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3574 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3576 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3577 that this only matches CONST_INTs. All users changed to VOIDmode
3580 * config/bfin/bfin.c: Include "optabs.h".
3581 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3583 (enum bfin_builtins): Add a number of fractional and vector builtins.
3584 (bfin_init_builtins): Likewise.
3585 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3586 (safe_vector_operand, bfin_expand_binop_builtin,
3587 bfin_expand_unop_builtin): New functions.
3588 (bfin_expand_builtin): Handle the new builtins.
3589 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3592 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3595 * Makefile.in (OBJS-common): Add see.o.
3596 (see.o): Add dependencies.
3597 * common.opt (fsee): New flag for the see optimization was added.
3598 * opts.c (flag_see): Initialized.
3599 * passes.c (init_optimization_passes, pass_see): New pass.
3600 * rtl.h (see_main): Declaration as extern.
3601 * timevar.def (TV_SEE): New.
3602 * tree-pass.h (pass_see): Declaration as extern.
3603 * invoke.texi (-fsee): Document.
3604 * recog.c (validate_simplify_insn): New function.
3605 * recog.h (validate_simplify_insn): Declaration as extern.
3606 * df-problems.c (df_chain_dump): Check for NULL.
3608 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3609 Daniel Berlin <dberlin@dberlin.org>
3611 * cfgrtl.c (insert_insn_bb_end_new): New function.
3612 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3614 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3616 * df.h (struct web_entry): Moved from web.c.
3617 (union_defs): Declaration as extern.
3618 (unionfind_root): Likewise.
3619 (unionfind_union): Likewise.
3620 * web.c (struct web_entry): Moved to df.h.
3621 (unionfind_root): Remove static declaration.
3622 (unionfind_union): Likewise.
3623 (union_defs): Likewise and generalize to use callback function.
3624 (web_main): Update arguments for union_defs function call.
3626 2006-05-04 Richard Guenther <rguenther@suse.de>
3628 PR tree-optimization/26447
3629 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3630 produce SSA_NAME copies before the store stmt to avoid
3631 breaking exception handling.
3633 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3636 * gimplify.c (omp_is_private): If var is shared in some outer context,
3637 return false instead of true. Stop searching on parallel context
3640 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3643 * coverage.c: Use get_gcov_unsigned_t() instead of
3644 unsigned_type_node all over.
3646 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3648 PR tree-optimization/27381
3649 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3650 maintain the same immediate_use links.
3651 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3652 node rather than segfaulting.
3654 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3657 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3658 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3659 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3661 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3663 Fix PR tree-optimization/26626
3664 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3666 * tree-ssa-operands.c (access_can_touch_variable): Allow
3667 typecasting through union pointers.
3669 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3672 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3673 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3674 to find if var will be a global variable even in the nested context.
3675 (omp_copy_decl): Only check for global variable at the end, it might
3676 be overridden in outer contexts.
3677 (scan_sharing_clauses): For global variables don't create a field.
3678 (lower_rec_input_clauses): Do nothing for global shared variables.
3679 Emit a barrier at the end of ILIST if there were any decls in both
3680 firstprivate and lastprivate clauses.
3681 (lower_send_clauses): Do nothing for global variables except for
3684 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3686 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3687 of the correct signedness is returned.
3689 2006-05-02 Jeff Law <law@redhat.com>
3691 PR tree-optimization/27364
3692 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3693 multiply expressions.
3695 2006-05-02 Tom Tromey <tromey@redhat.com>
3697 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3699 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3702 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3703 -mthumb -fPIC are used.
3705 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3706 Joshua Kinard <kumba@gentoo.org>
3709 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3710 with 64-bit pointers.
3712 2006-05-02 Paul Brook <paul@codesourcery.com>
3714 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3716 (create_fix_barrier): Check that a suitable barrier location is
3718 (arm_reorg): Include ftmp->address in allowable range of addresses.
3720 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3723 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3726 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3729 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3730 around RESULT_DECL for result passed by reference.
3731 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3732 * omp-low.c (use_pointer_for_field): Don't look at
3733 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3734 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3735 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3736 time or var for passing by reference for
3737 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3738 TREE_ADDRESSABLE variables when passing by reference.
3740 * omp-low.c (dump_omp_region): Fix output formatting.
3743 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3744 (expand_omp_parallel): Likewise.
3745 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3748 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3749 on statement list containing also constructors and destructors.
3750 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3753 * except.c (duplicate_eh_regions): Fix clearing of
3754 cfun->eh->region_array entries.
3756 2006-05-01 DJ Delorie <dj@redhat.com>
3758 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3760 (gcc_cv_objdump): Likewise.
3761 * configure: Regenerated.
3763 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3766 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3767 templates for case 3 and 4.
3769 2006-05-01 DJ Delorie <dj@redhat.com>
3771 * vec.c: Include bconfig.h when appropriate.
3772 * Makefile.in (build/vec.o): Adjust dependencies.
3773 * mkconfig.sh: Make sure config.h isn't used for build machine
3776 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3778 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3780 (mark_phi_for_rewrite): New function.
3781 (insert_phi_nodes_for, mark_use_interesting): Call
3782 mark_phi_for_rewrite.
3783 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3784 (update_ssa): Initialize and free phis_to_rewrite.
3786 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3788 PR rtl-optimization/27291
3789 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3790 folded to a constant.
3792 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3794 PR tree-optimization/27283
3795 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3796 not whole # of iteration descriptions.
3797 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3798 uses abnormal ssa name.
3799 (niter_for_single_dom_exit): Ditto.
3800 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3801 return just the number of iterations.
3803 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3805 PR tree-optimization/27144
3806 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3807 (record_estimate): Only record constant upper bound.
3808 (infer_loop_bounds_from_undefined): Call
3809 compute_estimated_nb_iterations just once.
3810 (proved_non_wrapping_p): Renamed to ...
3811 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3812 (convert_step_widening, scev_probably_wraps_p): Call
3813 n_of_executions_at_most instead of proved_non_wrapping_p.
3814 (substitute_in_loop_info): Do not replace values in bounds.
3815 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3818 2006-05-01 Richard Henderson <rth@redhat.com>
3821 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3822 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3825 2006-05-01 Roger Sayle <roger@eyesopen.com>
3827 * c-typeck.c (parser_build_binary_op): Don't call the function
3828 unsigned_conversion_warning to spot operand/result type overflow.
3829 (build_binary_op): Instead, call convert_and_check instead of
3830 convert to report the problem when the operands are promoted.
3831 * c-common.c (unsigned_conversion_warning): Make static.
3832 * c-common.h (unsigned_conversion_warning): Delete prototype.
3834 2006-05-01 Richard Guenther <rguenther@suse.de>
3836 PR tree-optimization/26726
3837 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3839 (find_interesting_uses_address): ... we work around here
3840 by folding INDIRECT_REFs in the substituted base.
3842 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3844 * omp-low.c (dump_omp_region): Add newlines.
3846 2006-04-30 Roger Sayle <roger@eyesopen.com>
3848 * common.opt (Woverflow): New command line option.
3849 * c-common.c (constant_expression_warning): Check warn_overflow.
3850 (overflow_waring): Pass OPT_Woverflow to warning.
3851 (unsigned_conversion_warning): Likewise.
3852 (convert_and_check): Likewise.
3853 * doc/invoke.texi: Document new command line option.
3855 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3857 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3858 TARGET_NO_FP_IN_TOC for section anchors.
3859 (optimization_options): Enable section anchors for all
3860 non-"Objective" languages.
3862 2006-04-28 Eric Christopher <echristo@apple.com>
3864 * config/darwin-c.c (darwin_ms_struct): Move this
3865 (darwin_set_default_type_attributes): and this...
3866 * config/darwin.c: ... here.
3867 * config/darwin.h (darwin_ms_struct): Declare.
3869 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3871 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3873 2006-04-28 Roger Sayle <roger@eyesopen.com>
3876 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3877 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3878 an unsigned HOST_WIDE_INT.
3879 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3881 (really_start_incremental_init): No need to call convert because
3882 bitsize_zero_node is already of type bitsizetype.
3883 (push_init_level): Extract the value of constructor_index as an
3884 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3885 (process_init_element): Likewise.
3887 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3889 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3890 value before passing to make_relative_prefix.
3892 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3895 * builtins.c (expand_builtin_memset): Expand val in original mode.
3897 2006-04-27 Eric Christopher <echristo@apple.com>
3899 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3900 with #ifndef/#endif.
3901 * config/darwin-c.c (darwin_ms_struct): New.
3902 (darwin_pragma_ms_struct): Ditto.
3903 (darwin_set_default_type_attributes): Ditto.
3904 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3905 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3906 Register ms_struct pragma.
3907 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3908 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3909 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3910 darwin_set_default_type_attributes if TARGET_MACHO.
3912 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3914 PR tree-optimization/26854
3915 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3916 * doc/tree-ssa.texi: Update immuse iterator documentation.
3917 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3918 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3919 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3920 first_safe_imm_use, next_safe_imm_use): Remove.
3921 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3922 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3923 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3924 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3925 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3926 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3927 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3928 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3929 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3930 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3931 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3932 (perfect_nestify): Use new iterator.
3933 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3935 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3936 (next_imm_name): New field in struct immediate_use_iterator_d.
3937 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3938 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3939 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3940 * tree-cfg.c (replace_uses_by): Use new iterator.
3941 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3942 * tree-ssa-operands.c (correct_use_link): Remove.
3943 (finalize_ssa_use_ops): No longer call correct_use_link.
3945 2006-04-27 Stuart Hastings <stuart@apple.com>
3947 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3948 * config/t-darwin (crt3.o): Use it.
3949 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3950 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3951 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3952 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3953 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3956 2006-04-27 Roger Sayle <roger@eyesopen.com>
3958 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3959 size, force the intermediate into a new pseudo rather instead of
3960 performing both a bitwise AND and a bitwise IOR in memory.
3962 2006-04-27 Richard Guenther <rguenther@suse.de>
3964 PR rtl-optimization/26685
3965 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3966 this one "max-flow-memory-locations".
3968 2006-04-27 Richard Guenther <rguenther@suse.de>
3970 PR tree-optimization/25148
3971 * tree-vrp.c (compare_values): Remove code dealing with
3972 comparisons against type min/max value. Honour overflow
3973 and negative constants in code dealing with comparisons
3974 of plus and minus expressions.
3975 (value_inside_range): Use fold_binary with LE_EXPR and
3976 GE_EXPR rather than compare_values.
3978 2006-04-27 Dirk Mueller <dmueller@suse.de>
3980 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3983 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3985 * basic-block.h (safe_insert_insn_on_edge): Removed.
3986 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3988 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3989 Paolo Bonzini <bonzini@gnu.org>
3992 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3993 (simplify_and_const_int): Same.
3995 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3997 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3999 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4002 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4003 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4004 cgraph_global_info_ready.
4007 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4010 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4011 either decl or init is error_mark_node.
4014 * tree-flow.h (struct omp_region): Add sched_kind.
4015 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4016 instead of extracting omp for data.
4017 (expand_omp_for): Save extracted sched_kind.
4019 2006-04-25 Roger Sayle <roger@eyesopen.com>
4021 * expmed.c (store_bit_field): Also check whether the bitsize is
4022 valid for the machine's "insv" instruction before moving the
4023 target into a pseudo for use with the insv.
4024 * config/i386/predicates.md (const8_operand): New predicate.
4025 * config/i386/i386.md (extv, extzv, insv): Use the new
4026 const8_operand predicate where appropriate.
4028 2006-04-25 DJ Delorie <dj@redhat.com>
4030 * doc/install.texi (Specific): Clarify that this is not a list of
4031 supported hosts or targets.
4033 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4035 PR rtl-optimization/26725
4036 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4037 block's BB_DIRTY flag.
4039 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4041 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4044 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4045 to print an integer.
4047 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4049 * varasm.c (align_variable): New function.
4050 (get_block_for_decl): Apply align_variable to DECL before
4051 calculating section information.
4052 (assemble_variable): Split out alignment computation.
4054 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4056 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4059 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4061 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4062 MODE_PARTIAL_INT mode.
4063 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4064 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4066 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4067 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4069 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4071 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4073 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4074 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4075 MACFLAG_IH): Likewise.
4076 (movstricthi_1): Renamed from "*movstricthi".
4077 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4078 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4079 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4080 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4081 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4082 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4083 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4084 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4085 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4086 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4087 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4088 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4089 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4090 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4091 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4093 * doc/rtl.texi (ss_ashift): Improve wording.
4095 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4097 * dwarf2out.c (verify_marks_clear): New.
4098 (prune_unused_types): Call verify_marks_clear initially, not
4101 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4103 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4104 * doc/rtl.texi: Document them.
4105 * simplify-rtx.c (simplify_unary_operation,
4106 simplify_binary_operation_1): Don't abort when we see them.
4108 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4111 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4112 * configure.ac: Completely disregard languages that are not
4114 * configure: Regenerated.
4116 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4117 Richard Guenther <rguenther@suse.de>
4119 PR tree-optimization/27236
4120 * tree-inline.c (copy_body_r): Make sure to copy
4121 TREE_THIS_VOLATILE flag.
4123 2006-04-24 Richard Guenther <rguenther@suse.de>
4126 * tree-complex.c (update_parameter_components): Don't handle
4127 unused parameters which have no default def.
4129 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4130 Richard Guenther <rguenther@suse.de>
4132 PR tree-optimization/27218
4133 * tree-inline.c (expand_call_inline): Strip useless type
4134 conversions for the return slot address.
4136 2006-04-24 Richard Guenther <rguenther@suse.de>
4138 * cfgloop.h (struct loops): Remove unused field array. Reorder
4140 (LOOP_PREFETCH): Remove.
4142 2006-04-24 Richard Guenther <rguenther@suse.de>
4144 PR tree-optimization/22525
4145 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4146 variable, adjust types of generated expressions.
4148 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4150 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4151 (tree-vect-patterns.o): Likewise.
4153 (cselib.o): Likewise.
4154 (loop-doloop.o): Likewise.
4155 (regclass.o): Likewise.
4156 (reload1.o): Likewise.
4157 (explow.o): Replace target.h with $(TARGET_H).
4158 (ipa-prop.o): Likewise.
4159 (ipa-cp.o): Likewise.
4160 (ipa-inline.o): Likewise.
4161 (reorg.o): Likewise.
4162 (reg-stack.o): Likewise.
4164 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4166 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4168 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4170 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4172 * configure.ac: Completely disregard languages that are not
4174 * configure: Regenerated.
4177 * c-common.h (c_build_bitfield_integer_type): Declare.
4178 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4179 * c-common.c (c_build_bitfield_integer_type): ... here.
4181 2006-04-23 Roger Sayle <roger@eyesopen.com>
4184 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4185 a SImode SUBREG of a floating point register after no_new_pseudos.
4187 2006-04-23 Roger Sayle <roger@eyesopen.com>
4189 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4190 identify potentially eliminable registers to additionally catch
4191 VIRTUAL_INCOMING_ARGS_REGNUM.
4192 (addsi3): Update the conditions on when to use addsi_small_int.
4194 2006-04-23 Roger Sayle <roger@eyesopen.com>
4197 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4198 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4199 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4201 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4203 * fold-const.c (range_predecessor): Use operand_equal_p
4204 as the predicate for equality.
4205 (range_successor): Likewise.
4207 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4210 * config/soft-fp/op-common.h: Fix a typo.
4212 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4215 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4216 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4218 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4220 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4222 * doc/tm.texi: Fix a typo.
4224 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4226 * dwarf2out.c (struct die_struct): Document that die_sib makes
4227 a circular linked list.
4228 (FOR_EACH_CHILD): New.
4229 (reverse_die_lists): Delete.
4230 (reverse_all_dies): Delete.
4231 (add_dwarf_attr): Correct documentation.
4232 (remove_child_with_prev): New.
4233 (remove_child_TAG): Update for change to die_struct, use
4234 remove_child_with_prev.
4235 (add_child_die): Update for change to die_struct.
4236 (splice_child_die): Use remove_child_with_prev and add_child_die.
4237 (print_die): Use FOR_EACH_CHILD.
4238 (die_checksum): Likewise.
4239 (assign_symbol_names): Likewise.
4240 (output_location_lists): Likewise.
4241 (build_abbrev_table): Likewise.
4242 (calc_die_sizes): Likewise.
4243 (mark_dies): Likewise.
4244 (unmark_dies): Likewise.
4245 (unmark_all_dies): Likewise.
4246 (output_die): Likewise.
4247 (prune_unused_types_mark): Likewise.
4248 (prune_unused_types_walk): Likewise.
4249 (same_die_p): Update for change to die_struct.
4250 (break_out_includes): Likewise.
4251 (prune_unused_types_prune): Likewise.
4252 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4253 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4255 (dwarf2out_finish): Don't call reverse_all_dies.
4257 2006-04-21 Eric Christopher <echristo@apple.com>
4259 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4260 in comments and function names.
4262 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4265 * c-typeck.c (digest_init): Robustify.
4267 * c-typeck.c (pop_init_level): Simplify.
4269 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4271 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4273 2006-04-21 Paul Brook <paul@codesourcery.com>
4275 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4276 hardware floating point.
4278 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4280 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4283 2006-04-21 Nick Clifton <nickc@redhat.com>
4285 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4288 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4291 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4292 C++ lang type in traceback table for Objective-C++.
4294 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4296 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4298 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4300 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4303 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4304 were errors. Remove check for erroneous objects.
4306 2006-04-20 Jeff Law <law@redhat.com>
4308 PR tree-optimization/26854
4309 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4310 checking for zero or one use.
4311 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4312 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4313 * tree-ssa-reassoc.c (negate_value): Similarly.
4314 (reassociate_bb): Similarly.
4316 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4318 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4319 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4320 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4322 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4324 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4325 fp regs if the last fp arg doesn't fit in regs.
4327 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4330 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4331 that the last insn has the REG_INC note.
4333 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4334 Nathan Sidwell <nathan@codesourcery.com>
4337 * stor-layout.c (update_alignment_for_field): Do not align
4339 (place_union_field): Place union field at the start of the union.
4340 (place_field): Move ERROR_MARK check later, and use the current
4341 allocation position to maintain monotonicity.
4343 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4345 * dominance.c: Include timevar.h.
4346 (calculate_dominance_info): Use TV_DOMINANCE.
4347 * timevar.def (TV_DOMINANCE): New timevar.
4348 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4350 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4352 PR rtl-optimization/14261
4353 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4354 move would be an INSV insn.
4355 (noce_process_if_block): Don't optimize if the destination is a
4356 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4358 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4360 * config/s390/s390.md: Add comments with the instructions emitted
4361 by an insn pattern if macros are used.
4363 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4365 PR rtl-optimization/26026
4366 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4367 is a known power of two shifted left a variable amount.
4369 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4371 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4372 to hash table twice when the debug_str section has SECTION_MERGE.
4374 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4376 * config/soft-fp: New directory. From glibc.
4377 * config/soft-fp/t-softfp: New.
4378 * config/soft-fp/README: New.
4379 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4380 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4381 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4382 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4383 * config.gcc: Use rs6000/t-fprules-fpbit or
4384 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4386 * config/rs6000/sfp-machine.h: New. Based on glibc.
4387 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4389 * config/rs6000/t-fprules: Remove fp-bit rules.
4390 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4391 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4392 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4393 (softfp_wrap_start, softfp_wrap_end): New.
4395 2006-04-18 DJ Delorie <dj@redhat.com>
4397 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4399 2006-04-18 Devang Patel <dpatel@apple.com>
4401 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4403 2006-04-18 Nick Clifton <nickc@redhat.com>
4405 * config/sh/t-symbian: Add rule to build sh-c.o
4406 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4407 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4408 (sh_symbian_encode_section_info): Likewise.
4410 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4412 * builtins.c (expand_builtin_strcmp): Cover label definition of
4413 do_libcall with HAVE_cmpstrnsi.
4415 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4417 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4419 * function.h (temp_slot_p): New.
4420 (function): Change the type of x_used_temp_slots to
4421 VEC(temp_slot_p,gc) *.
4423 2006-04-18 Nick Clifton <nickc@redhat.com>
4425 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4426 flag_strength_reduce.
4428 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4430 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4434 Partial revert of revision 112637
4435 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4436 Dale Johannesen <dalej@apple.com>
4439 * regclass.c (struct reg_pref): Update documentation.
4440 (regclass): Set prefclass to NO_REGS if memory is the best option.
4441 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4443 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4445 PR tree-optimization/26821
4446 * tree-ssa-math-opts.c (get_constant_one): New.
4447 (insert_reciprocals): Use it.
4449 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4451 * dwarf2out.c (free_AT): Delete.
4452 (remove_AT): Update string ref counts.
4453 (remove_child_TAG): Don't call free_die.
4455 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4456 or DW_TAG_GNU_EINCL.
4457 (prune_unused_types_walk_attribs): Reset string refcounts.
4458 (prune_unused_types_update_strings): New.
4459 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4460 call free_die. Do call prune_unused_types_update_strings.
4461 (prune_unused_types): Empty debug_str_hash.
4463 2006-04-17 Roger Sayle <roger@eyesopen.com>
4465 * expr.c (expand_assignment): Optimize away no-op moves where the
4466 source and destination are equal and have no side-effects.
4468 2006-04-17 Richard Guenther <rguenther@suse.de>
4471 * reload.c (push_reload): Guard calls to get_secondary_mem
4474 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4476 * alias.c (reg_base_value, old_reg_base_value): Change the
4477 type to VEC(rtx,gc) *.
4478 (REG_BASE_VALUE, find_base_value, record_set,
4479 init_alias_analysis): Use VEC instead of VARRAY.
4481 * alias.c (alias_sets): Change the type to
4482 VEC(alias_set_entry,gc) *.
4483 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4484 VEC instead of VARRAY.
4485 (last_alias_set): Remove.
4487 * cgraph.h (cgraph_edge_p): New.
4488 Update the prototype of cgraph_function_versioning.
4489 * cgraphunit.c (cgraph_copy_node_for_versioning,
4490 cgraph_function_versioning): Use VEC instead of VARRAY.
4491 * ipa-cp.c (ipcp_insert_stage): Likewise.
4493 2006-04-16 Roger Sayle <roger@eyesopen.com>
4496 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4497 "A op B" or "A op C", we may need to convert A to the type of B and C.
4499 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4501 * target.h (struct gcc_target): Add mode_rep_extended.
4502 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4503 (init_num_sign_bit_copies_in_rep): Initialize it using
4505 (truncate_to_mode): Use it.
4506 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4507 * targhooks.h (default_mode_rep_extended): Declare it.
4508 * targhooks.c (default_mode_rep_extended): Define it.
4509 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4510 default_mode_rep_extended.
4511 (TARGET_INITIALIZER): Include it.
4512 * doc/tm.texi (Misc): Document it.
4513 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4514 (mips_truncated_to_mode): New function.
4516 2006-04-16 Roger Sayle <roger@eyesopen.com>
4519 * expr.c (compress_float_constant): Copy the narrow constant into
4520 a new pseudo before extending it to its final width.
4522 2006-04-16 Roger Sayle <roger@eyesopen.com>
4523 Andrew Pinski <pinskia@gcc.gnu.org>
4524 Dale Johannesen <dalej@apple.com>
4527 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4528 special case code to implement V8HImode and V16QImode with SSE2.
4530 2006-04-15 Roger Sayle <roger@eyesopen.com>
4532 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4533 trees are constructed with a suitable tree type.
4535 2006-04-15 Roger Sayle <roger@eyesopen.com>
4537 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4538 (integer_onep): Likewise.
4539 (integer_all_onesp): Likewise.
4540 (integer_pow2p): Likewise.
4541 (integer_nonzerop): Likewise.
4542 (real_zerop): Likewise.
4543 (real_onep): Likewise.
4544 (real_twop): Likewise.
4545 (real_minus_onep): Likewise.
4546 (int_size_in_bytes): Likewise.
4547 (host_integerp): Likewise.
4549 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4551 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4552 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4553 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4555 * tree-ssa-structalias.h (alias_info): Remove num_references.
4557 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4559 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4560 (output_bvb patterns): Likewise.
4561 * pa.c (output_bb): Use 'bb' insn for long branch case.
4562 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4563 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4564 1. Correct length operand for alternatives 1 and 2.
4565 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4566 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4568 2006-04-14 Roger Sayle <roger@eyesopen.com>
4570 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4571 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4572 were accidentally reverted by r112959.
4574 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4577 * except.h (eh_region_outermost): New prototype.
4578 * except.c (eh_region_outermost): New function.
4579 * tree-cfg.c (find_outermost_region_in_block): Use it.
4581 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4583 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4585 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4586 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4587 (init_reload, reload): Use VEC instead of VARRAY.
4588 * reload.h: Update the prototype for
4589 reg_equiv_memory_loc_varray.
4591 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4592 Eric Botcazou <ebotcazou@libertysurf.fr>
4594 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4597 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4600 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4601 to expand fallback builtin function call.
4603 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4606 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4607 and emit libcall here in case the builtin fails.
4608 (expand_builtin_strcmp): Always emit the libcall here on failure.
4610 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4612 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4613 * flow.c (reg_n_info): Change the type to
4614 VEC(reg_info_p,heap) *.
4615 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4617 * regs.h (reg_info_p): New.
4618 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4619 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4620 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4623 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4625 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4627 * params.h (MAX_SCHED_READY_INSNS): New macro.
4628 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4629 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4630 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4631 the ready list for 1 cycle during the first scheduling pass.
4632 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4634 2006-04-13 Richard Henderson <rth@redhat.com>
4637 * gimple-low.c (lower_omp_directive): Remove dead code.
4638 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4639 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4640 * omp-low.c (struct omp_region): Move to tree-flow.h.
4641 (root_omp_region): Export.
4642 (omp_regions, lookup_omp_region): Remove.
4643 (determine_parallel_type): Update for struct omp_region changes.
4644 (dump_omp_region): Dump regions with block numbers.
4645 (new_omp_region): Take type and block instead of stmt; malloc
4647 (free_omp_region_1, free_omp_regions): New.
4648 (expand_parallel_call): Take entry_stmt as argument; update for
4649 changes to omp_region.
4650 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4651 (remove_exit_barriers): New.
4652 (expand_omp_parallel): Update for struct omp_region changes.
4653 (expand_omp_synch): Likewise.
4654 (expand_omp): Likewise.
4655 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4656 (expand_omp_for_static_chunk): Likewise.
4657 (expand_omp_for): Likewise.
4658 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4659 (expand_omp_sections): Similarly, with GOMP_sections_end.
4660 (expand_omp_single): New.
4661 (build_omp_regions_1): Update for OMP_CONTINUE.
4662 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4663 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4664 OMP_SECTIONS_SECTIONS.
4665 (lower_omp_single_simple): Don't emit barrier here.
4666 (lower_omp_single_copy): Likewise.
4667 (lower_omp_single): Fix bindings, and lower to straightline now.
4668 (lower_omp_master, lower_omp_ordered): Likewise.
4669 (lower_omp_critical): Likewise.
4670 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4671 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4672 omp edges, free it afterward.
4673 (make_omp_sections_edges): Remove.
4674 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4675 (move_stmt_r): Handle OMP_CONTINUE.
4676 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4677 statement pointers to basic blocks. Add type member.
4678 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4679 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4680 * tree-inline.c (estimate_num_insns_1): Likewise.
4681 * tree-pretty-print.c (dump_generic_node): Likewise.
4682 * tree-ssa-operands.c (get_expr_operands): Likewise.
4683 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4684 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4685 (OMP_CONTINUE): New.
4686 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4687 (OMP_SECTIONS_SECTIONS): Remove.
4688 (OMP_SECTION_LAST): New.
4689 (OMP_RETURN_NOWAIT): New.
4691 2006-04-13 Roger Sayle <roger@eyesopen.com>
4693 * fold-const.c (native_encode_vector, native_interpret_real):
4694 Correct obvious mistakes in the previous check-in.
4696 2006-04-13 Roger Sayle <roger@eyesopen.com>
4698 * fold-const.c (native_encode_expr): New function to encode
4699 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4700 or VECTOR_CST into a specified buffer.
4701 (native_encode_int): New function.
4702 (native_encode_real): New function.
4703 (native_encode_complex): New function.
4704 (native_encode_vector): New function.
4705 (native_interpret_expr): Inverse of native_encode_expr to convert
4706 a target representation into an INTEGER_CST, REAL_CST etc...
4707 (native_interpret_int): New function.
4708 (native_interpret_real): New function.
4709 (native_interpret_complex): New function.
4710 (native_interpret_vector): New function.
4711 (fold_view_convert_expr): New function to constant fold/evaluate
4712 a VIEW_CONVERT_EXPR of a suitable constant expression.
4713 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4714 Change call of build1 to fold_build1 when constructing a
4717 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4718 Ulrich Weigand <uweigand@de.ibm.com>
4721 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4724 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4727 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4728 optimize to lo_sum for DFmode if !TARGET_FPRS.
4730 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4732 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4733 delete_alias_info, compute_flow_sensitive_aliasing,
4734 group_aliases): Use VEC instead of VARRAY.
4735 * tree-ssa-structalias.c (update_alias_info): Likewise.
4736 * tree-ssa-structalias.h (alias_info): Change the type of
4737 processed_ptrs to VEC(tree,heap) *.
4739 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4742 * config/sh/lib1funcs.h: New file, broken out of:
4743 * config/sh/lib1funcs.asm.
4744 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4746 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4747 * config/sh/lib1funcs-Os-4-200.asm: New file.
4748 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4749 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4750 (EXTRA_MULTILIB_PARTS): Include it.
4751 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4752 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4753 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4754 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4757 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4759 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4760 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4761 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4763 * tree-ssa-live.h: Include vecprim.h.
4764 (tree_partition_associator_d): Change the type of
4765 first_partition to VEC(int,heap) *.
4766 (tpa_first_partition): Use VEC instead of VARRAY.
4768 * Makefile.in (GTFILES): Move functions.h after tree.h.
4769 * function.c (reset_block_changes, record_block_change,
4770 check_block_change, free_block_changes): Use VEC instead of
4772 * function.h (function): Change the type of
4773 ib_boundaries_block to VEC(tree,gc) *.
4774 * tree-inline.c (copy_cfg_body): Initialize
4775 ib_boundaries_block to NULL instead of (varray_type) 0.
4777 2006-04-12 Roger Sayle <roger@eyesopen.com>
4779 * expr.c (emit_group_store): Correct operand order in call to
4780 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4781 a SUBREG_BYTE of zero.
4783 2006-04-12 Richard Guenther <rguenther@suse.de>
4785 * profile.c (compute_branch_probabilities): Remove code
4786 encapsulated in !ir_type (), which are remanents of the
4787 removed RTL profiling code.
4788 * rtl-profile.c: Remove.
4790 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4792 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4793 magic NULL_RTX comment.
4794 (function_arg): Store entire fp arg to mem if any part should go
4796 (rs6000_arg_partial_bytes): Adjust for above change.
4798 2006-04-11 Roger Sayle <roger@eyesopen.com>
4800 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4801 if it hasn't been initialized by dwarf2out_init.
4803 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4805 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4806 symbolic constants in branch patterns.
4808 2006-04-11 Roger Sayle <roger@eyesopen.com>
4810 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4812 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4814 PR rtl-optimization/27073
4815 * gcse.c (try_replace_reg): Revert last change. Continue to search
4816 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4819 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4821 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4822 aggregate types other than record and union types.
4823 (function_arg): Likewise.
4824 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4826 (function_value): In 64-bit mode, return objects that require it
4829 2006-04-11 Roger Sayle <roger@eyesopen.com>
4831 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4833 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4835 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4837 2006-04-03 Jeff Law <law@redhat.com>
4840 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4841 alias information too.
4843 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4845 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4847 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4850 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4851 (premark_used_types_helper): New.
4852 (premark_used_types): New.
4853 (gen_subprogram_die): Call premark_used_types.
4854 (prune_unused_types_walk): Do not prune perennial dies.
4855 * function.c (used_types_insert): New.
4856 * function.h (struct function): Add used_types_hash field.
4857 (used_types_insert): Add prototype.
4858 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4859 * c-parser.c (c_parser_cast_expression): Save casted types in used
4862 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4865 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4866 rs6000_explicit_options.float_gprs.
4868 2006-04-10 Roger Sayle <roger@eyesopen.com>
4870 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4871 from ix86_expand_vector_init_low_nonzero. Take an additional
4872 one_var argument indicating which element is non-zero. Support
4873 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4874 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4875 with one_var instead of ix86_expand_vector_init_low_nonzero.
4877 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4879 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4880 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4881 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4882 build/genextract.o): Depend on vecprim.h.
4883 * cfglayout.c, df-problems.c, function.c, genextract.c,
4884 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4885 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4889 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4891 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4892 Declare VECs of this type.
4893 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4894 (remove_children): Delete.
4895 (add_dwarf_attr): Use VEC routines.
4896 (add_AT_flag): Update for changes to add_dwarf_attr.
4897 (add_AT_int): Likewise.
4898 (add_AT_unsigned): Likewise.
4899 (add_AT_long_long): Likewise.
4900 (add_AT_vec): Likewise.
4901 (add_AT_string): Likewise.
4902 (add_AT_die_ref): Likewise.
4903 (add_AT_fde_ref): Likewise.
4904 (add_AT_loc): Likewise.
4905 (add_AT_loc_list): Likewise.
4906 (add_AT_addr): Likewise.
4907 (add_AT_lbl_id): Likewise.
4908 (add_AT_lineptr): Likewise.
4909 (add_AT_macptr): Likewise.
4910 (add_AT_offset): Likewise.
4911 (add_AT_range_list): Likewise.
4912 (get_AT): Use VEC_iterate.
4913 (remove_AT): Use VEC_ordered_remove.
4914 (free_die): Fold remove_children into here; have it use VEC_iterate.
4915 (print_die): Use VEC_iterate on attrs.
4916 (reverse_die_lists): Don't reverse attr lists.
4917 (die_checksum): Use VEC_iterate on attrs.
4918 (same_die_p): Likewise.
4919 (output_location_lists): Likewise.
4920 (build_abbrev_table): Likewise.
4921 (size_of_die): Likewise.
4922 (unmark_all_dies): Likewise.
4923 (output_abbrev_section): Likewise.
4924 (output_die): Likewise.
4925 (prune_unused_types_walk_attribs): Likewise.
4927 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4929 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4931 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4934 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4936 2006-04-09 Roger Sayle <roger@eyesopen.com>
4938 * expr.c (store_constructor): Don't bother clearing target if
4939 we're about to assign a vector to it using vec_init_optab.
4941 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4943 * tree-ssa-alias.c (lhs_may_store_to): New function.
4944 (recalculate_used_alone): Handle LHS of calls.
4946 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4950 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4951 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4952 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4953 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4954 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4955 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4956 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4957 stubs. Add ".align 8" directives before all ".dword" directives.
4958 (GTHREAD_USE_WEAK): Revise comment.
4959 (TARGET_ATTRIBUTE_WEAK): Define.
4960 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4961 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4962 * stublib.c: New file.
4967 * pa.md (cbranch patterns): Revise arguments used in calls to
4968 output_cbranch, output_bb and output_bvd. Add long branch length
4970 (fbranch patterns): Handle long branches.
4971 (jump): Revise length check. Revise arguments for output_lbranch call.
4972 Add long branch length attributes.
4973 (decrement_and_branch_until_zero): Add long branch length attributes.
4974 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4975 Likewise. Revise arguments for output_parallel_addb and
4976 output_parallel_movb calls.
4977 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4978 output_parallel_movb and output_parallel_addb): Update prototypes.
4979 * pa.c (output_cbranch): Revise arguments. Correct handling of
4980 nullification in long branches.
4981 (output_lbranch): Add new argument to control extraction of delay
4983 (output_bb): Handle long branches.
4984 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4985 output_parallel_addb): Likewise.
4987 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4989 PR rtl-optimization/27073
4990 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4993 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4995 * tree.h (tree_memory_tag): Add old_used_alone.
4996 (SMT_OLD_USED_ALONE): New macro.
4997 * tree-ssa-alias.c (recalculate_used_alone): Stop
4998 marking things for renaming unnecessarily.
5000 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5002 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5003 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5004 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5005 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5006 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5007 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5008 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5009 spelling convensions.
5010 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5011 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5012 typos. Follow spelling conventions.
5014 2006-04-07 DJ Delorie <dj@redhat.com>
5016 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5017 passed on the stack.
5018 (m32c_init_cumulative_args): When a function returns a structure,
5019 always pass the pointer to that return area on the stack.
5020 (m32c_function_arg_advance): Don't increment the parameter number
5021 if we're processing the returned structure pointer.
5022 (pushm_info): Reverse order of registers.
5024 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5026 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5027 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5028 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5029 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5031 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5032 chrec_fold_multiply): Same.
5033 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5034 force_expr_to_var_cost): Same.
5035 * tree-mudflap.c (mf_xform_derefs_1): Same.
5036 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5038 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5040 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5041 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5044 2006-04-07 Jan Hubicka <jh@suse.cz>
5046 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5048 2006-04-07 Richard Guenther <rguenther@suse.de>
5050 PR tree-optimization/26135
5051 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5052 loads for store copy-prop.
5053 (copy_prop_visit_stmt): Likewise.
5055 2006-04-05 Robert Millan <robertmh@gnu.org>
5057 * config/i386/linux.h: Add a comment to mark macros that are
5058 being overriden in config/k*bsd-gnu.h.
5059 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5061 * config/knetbsd-gnu.h: Ditto.
5063 2006-04-06 Jan Hubicka <jh@suse.cz>
5067 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5070 2006-04-06 Mike Stump <mrs@apple.com>
5072 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5073 for HAVE_nonlocal_goto to be consistent.
5074 (expand_builtin_nonlocal_goto): Likewise.
5075 (expand_builtin_strcmp): Use #ifdef instead of #if
5076 for HAVE_cmpstrnsi to be consistent.
5078 2006-04-05 DJ Delorie <dj@redhat.com>
5080 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5083 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5085 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5086 got-relative addressing for anything but SImode.
5088 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5089 even if the calling function doesn't modify them.
5091 2006-04-05 Richard Guenther <rguenther@suse.de>
5093 PR tree-optimization/26919
5094 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5095 to cgraph_estimate_size_after_inlining.
5097 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5099 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5101 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5103 PR tree-optimization/26996
5104 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5105 VECTOR_TYPE variables.
5107 2006-04-05 Richard Guenther <rguenther@suse.de>
5109 PR tree-optimization/26763
5110 * fold-const.c (fold_comparison): Move folding of
5111 PTR + CST CMP PTR + CST ...
5112 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5114 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5116 * doc/install.texi (Prerequisites): Refine some wording on
5117 bootstrapping and ksh.
5118 Move the version numbers of DejaGnu here from the testing section
5119 and fix casing of names.
5120 Fix markup and clarify wording for autogen requirements.
5121 Refer to GCJ instead of just java.
5122 Refer to SVN instead of CVS.
5123 Describe diffutils as useful instead of necessary.
5124 (Downloading the source): Refer to SVN instead of CVS.
5125 Adjust a link to our web site accordingly.
5126 (Configuration): Fix casing of Bison.
5127 (Building): Refer to SVN instead of CVS.
5128 Fix a sentence on the use of Bison and remove duplicate (and
5129 incorrect) version number of Bison requirement.
5130 Remove one redundant list of packages needed for building.
5131 (Specific): Avoid reference to CVS.
5133 2006-04-04 Eric Christopher <echristo@apple.com>
5135 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5136 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5137 (rs6000_handle_struct_attribute): New.
5138 (rs6000_ms_bitfield_layout_p): Ditto.
5140 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5142 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5143 NULL for dso parameter to atexit_common.
5145 2006-04-04 Eric Christopher <echristo@apple.com>
5147 * config/i386/i386.c (machopic_output_stub): Output \t
5148 between instructions and operands.
5150 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5152 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5153 satisfies_constraint_[IL] to explicit tests on value.
5155 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5157 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5158 set_nb_iterations_in_loop): Use build_int_cst instead of
5160 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5161 build_int_cst instead of convert.
5163 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5165 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5166 new value 2 for incoming.
5167 * function.c (expand_function_start): Call struct_value_rtx
5169 * config/sparc/sparc.md: Comment updated_return.
5170 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5171 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5172 struct return if sparc_std_struct_return and incoming is 2.
5173 (print_operand): Do not adjust return if
5174 sparc_std_struct_return.
5176 2006-04-04 Roger Sayle <roger@eyesopen.com>
5178 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5179 convert in the middle-end.
5180 * expr.c (store_expr, store_constructor, get_inner_reference,
5181 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5183 * tree.c (build_range_type): Likewise.
5185 2006-04-04 Tom Tromey <tromey@redhat.com>
5187 * doc/install.texi (Prerequisites): Mention jar.
5189 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5191 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5194 2006-04-04 Matthias Klose <doko@debian.org>
5196 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5197 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5200 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5202 * doc/extend.texi (Function Attributes): Rewrite visibility
5203 attribute documentation.
5204 * doc/invoke.texi (C++ Dialect Options): Rewrite
5205 -fvisibility-inlines-hidden documentation to describe something
5206 entirely different, although in practise compatible.
5207 (Code Gen Options): Warn about system headers in -fvisibility=
5210 * doc/extend.texi (Other Builtins): Document that
5211 __builtin_nan is a compile-time constant only when its argument
5214 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5216 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5217 trying to remove TRUNCATE check if all bits outside the new mode
5218 are identical to the sign bit.
5220 2006-04-03 Jeff Law <law@redhat.com>
5222 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5223 and operand scanning in some common cases.
5225 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5226 Dale Johannesen <dalej@apple.com>
5229 * regclass.c (struct reg_pref): Update documentation.
5230 (regclass): Set prefclass to NO_REGS if memory is the best option.
5231 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5232 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5233 into account. For non-registers, equate an empty preferred
5234 reload class to a `!' in the constraint; move the if clause to
5235 do so after those that reject the insn.
5236 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5238 (find_dummy_reload): Likewise.
5239 * doc/tm.texi (Register Classes): Document what it means
5240 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5241 * config/i386/i386.c (ix86_preferred_reload_class): Force
5242 using SSE registers (and return NO_REGS for floating-point
5243 constants) if math is done with SSE.
5244 (ix86_preferred_output_reload_class): New.
5245 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5246 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5247 * config/i386/i386.md: Remove # register preferences.
5249 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5252 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5253 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5254 the type of nb_iter.
5255 (instantiate_parameters_1): Convert the operands before calling
5256 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5257 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5259 2006-04-02 Roger Sayle <roger@eyesopen.com>
5261 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5262 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5264 * dojump.c (do_jump): Likewise.
5265 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5266 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5267 gimplify_boolean_expr): Likewise.
5268 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5269 * varasm.c (array_size_for_constructor): Likewise.
5270 * tree-object-size.c (compute_object_offset): Likewise.
5272 2006-04-02 Roger Sayle <roger@eyesopen.com>
5275 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5276 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5278 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5280 PR tree-optimization/26939
5281 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5283 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5285 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5286 at_stmt. Convert the type of operands before calling
5287 build_polynomial_chrec.
5288 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5290 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5291 (instantiate_parameters_1): Convert the type of operands before calling
5292 build_polynomial_chrec.
5293 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5294 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5295 reset_evolution_in_loop): Insert asserts to check the types of the
5297 (chrec_type): Moved...
5298 (eq_evolutions_p): Use operand_equal_p.
5299 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5300 the types of the operands.
5301 (chrec_type): ...here.
5302 * tree-data-ref.c (create_data_ref): Convert the operands before
5303 calling chrec_replace_initial_condition.
5304 (same_access_functions, analyze_subscript_affine_affine,
5305 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5306 (compute_subscript_distance, analyze_ziv_subscript,
5307 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5308 analyze_miv_subscript): Convert the operands before calling
5309 chrec_fold_minus or chrec_fold_plus.
5311 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5313 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5314 the dependence_relations vector.
5315 (compute_data_dependences_for_loop): Adjust call to
5316 compute_all_dependences.
5318 2006-04-01 Roger Sayle <roger@eyesopen.com>
5319 Richard Henderson <rth@redhat.com>
5321 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5322 gimple_boolify on the condition before calling gimplify_expr.
5324 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5326 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5327 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5328 the frame size. Update to use the new macros.
5329 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5330 * config/xtensa/ieee754-df.S: Likewise.
5332 2006-03-31 Richard Henderson <rth@redhat.com>
5334 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5335 (make_edges): ... here. Control fallthru creation with a local
5336 variable. Do not play with fake edges.
5337 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5338 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5341 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5343 * dwarf2.h (DW64_CIE_ID): Define.
5344 * dwarf2out.c (DWARF_CIE_ID): Define.
5345 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5346 length header. Use DWARF_CIE_ID.
5347 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5348 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5350 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5352 * config/sh/linux-atomic.asm: New file.
5353 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5355 2006-03-31 DJ Delorie <dj@redhat.com>
5357 * config/m32c/cond.md: Set condition flags properly throughout.
5358 * config/m32c/minmax.md: Likewise.
5359 * config/m32c/prologue.md: Likewise.
5360 * config/m32c/bitops.md: Likewise.
5361 * config/m32c/muldiv.md: Likewise.
5362 * config/m32c/mov.md: Likewise.
5363 * config/m32c/addsub.md: Likewise.
5364 * config/m32c/m32c.md: Likewise.
5365 * config/m32c/jump.md: Likewise.
5366 * config/m32c/shift.md: Likewise.
5368 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5369 conditionally output the pattern for this.
5370 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5371 (m32c_compare_redundant): New.
5372 (m32c_output_compare): New.
5373 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5375 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5376 dest, not src. Allow other 4-byte modes.
5378 2006-03-30 Denis Chertykov <denisc@overta.ru>
5380 * doc/md.texi: Refer to avr/constraints.md instead of
5383 2006-03-30 Roger Sayle <roger@eyesopen.com>
5385 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5386 signed vs. unsigned comparison failures on some hosts.
5388 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5391 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5392 change to FLOAT_REGS.
5394 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5395 (rs6000_override_options): Use it.
5396 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5397 only for -mabi=spe/no-spe and -mabi=altivec.
5399 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5401 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5404 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5406 * Makefile.in: Rename docdir to gcc_docdir.
5408 2006-03-30 Roger Sayle <roger@eyesopen.com>
5411 * expr.c (emit_group_store): Optimize group stores into a pseudo
5412 register by using a paradoxical subreg to initialize the destination
5413 if the first or last member of the group specifies a "low part".
5415 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5418 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5419 * target.h (struct gcc_target.speculate_insn): Change type of the
5420 second parameter to 'int'.
5421 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5422 the second operand of the DEPS_LIST.
5423 (copy_DEPS_LIST_list): Update reference to the second operand of the
5425 * rtl.h (alloc_DEPS_LIST): Update signature.
5426 * sched-int.h (ds_t): Change typedef to 'int'.
5427 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5429 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5431 * haifa-sched.c (try_ready): Change condition to restore
5432 non-speculative pattern of the instruction.
5433 (process_insn_depend_be_in_spec): Code to keep probability of the
5434 speculative dependence non-decreasing.
5436 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5438 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5439 (single_move_for_movmem): ... this. Also change all uses.
5440 (bfin_expand_strmov): Renamed to...
5441 (bfin_expand_movmem): ... this. Also change all uses.
5442 * config/bfin/bfin.md (movstrsi): Renamed to...
5443 (movstrsi): ...this.
5445 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5447 PR tree-optimization/26830
5449 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5450 (copy_prop_visit_stmt): Remove write-only variable ann.
5451 (init_copy_prop): Check variable loop depth here. Do not simulate
5452 memory-tag and virtual operand PHIs except for store copy prop.
5454 2006-03-30 Richard Guenther <rguenther@suse.de>
5456 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5457 variants with double arguments.
5459 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5461 * genpreds.c (write_tm_constrs_h): Delete variable p.
5462 * genconditions.c (write_header): Add tm-constrs.h to included
5464 * genpeep.c (main): Add toplev.h to included headers.
5465 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5466 (build/genpeep.o): Add toplev.h dependency.
5467 * config/rs6000/constraints.md: Add "W" constraint.
5469 2006-03-29 Roger Sayle <roger@eyesopen.com>
5471 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5472 sizes by correctly testing whether the size fits a host integer.
5473 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5474 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5475 SImode range for the default sizetype and bitsizetype.
5477 2006-03-29 Roger Sayle <roger@eyesopen.com>
5479 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5480 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5481 quickly if the argument is already of the correct type.
5482 Call fold_build1 instead of build1. Tidy up blank lines.
5484 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5486 * genemit.c (main): Add tm-constrs.h to included headers.
5487 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5488 * genpeep.c (main): Add tm-constrs.h to included headers.
5489 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5490 (write_tm_constrs_h): this and write complete file.
5491 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5492 (write_insn_preds_c): Add tm-constrs.h to included headers.
5493 (gen_constrs): New variable.
5494 (parse_option): Parse "-c".
5495 (main): Invoke write_tm_constrs_h.
5496 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5497 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5498 (object_out_file): Add tm-constrs.h dependency.
5499 (insn-emit.o): Same.
5500 (insn-output.o): Same.
5501 (insn-peep.o): Same.
5502 (insn-preds.o): Same.
5503 (insn-recog.o): Same.
5504 (tm-constsr.h): New target.
5505 (s-constrs-h): New target.
5507 * config/rs6000/constraints.md: New file.
5508 * config/rs6000/rs6000.c: Include tm-constrs.h.
5509 (num_insn_constant_wide): Convert to satisfies_constraint.
5510 (rs6000_rtx_costs): Convert to satisfies_constraint.
5511 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5512 (CONST_OK_FOR_LETTER_P): Delete.
5513 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5514 (EXTRA_CONSTRAINT): Delete.
5515 (EXTRA_MEMORY_CONSTRAINT): Delete.
5516 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5517 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5518 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5519 satisfies_constraint.
5521 * config/i386/i386.c: Include tm-constrs.h.
5523 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5525 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5526 * tree-data-ref.c (find_data_references_in_loop,
5527 compute_data_dependences_for_loop): Use pointers to VEC.
5528 (analyze_all_data_dependences): Adjust calls.
5529 * tree-data-ref.h (find_data_references_in_loop,
5530 compute_data_dependences_for_loop): Adjust declarations.
5531 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5532 compute_data_dependences_for_loop.
5534 2006-03-29 Paul Brook <paul@codesourcery.com>
5536 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5539 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5541 PR tree-optimization/26859
5542 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5544 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5545 for the step after fold_convert.
5547 2006-03-29 Paul Brook <paul@codesourcery.com>
5549 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5550 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5552 2006-03-29 Paul Brook <paul@codesourcery.com>
5555 * targhooks.c (default_narrow_bitfield): New fuction.
5556 * targhooks.h (default_narrow_bitfield): add prototype.
5557 * target.h (gcc_target): Add narrow_volatile_bitfield.
5558 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5559 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5560 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5561 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5563 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5565 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5567 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5568 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5569 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5570 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5571 (s390_function_arg_float): Allow SDmode and DDmode values to be
5572 passed in floating point registers.
5573 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5574 check with SCALAR_FLOAT_MODE_P.
5575 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5577 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5579 PR tree-optimization/25985
5580 * tree-ssa-loop-niter.c (number_of_iterations_le,
5581 number_of_iterations_ne): Make comments more precise.
5582 (number_of_iterations_cond): Add only_exit argument. Use the
5583 fact that signed variables do not overflow only when only_exit
5585 (loop_only_exit_p): New.
5586 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5587 number_of_iterations_cond.
5589 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5591 PR tree-optimization/26643
5592 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5595 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5597 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5598 (divsi3_i4_int): Likewise.
5600 2006-03-28 Roger Sayle <roger@eyesopen.com>
5602 * expr.c (emit_group_store): Only create a new pseudo reg if the
5603 quantity it needs to hold isn't already a suitable pseudo.
5605 2006-03-28 Jeff Law <law@redhat.com>
5607 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5608 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5610 2006-03-28 Roger Sayle <roger@eyesopen.com>
5612 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5613 the equivalent ~X & Y, and the symmetry related transformations.
5614 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5615 ~X & Y, and symmetry related transforms.
5617 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5619 Revert my 2006-03-27 patches.
5621 2006-03-28 Roger Sayle <roger@eyesopen.com>
5623 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5624 ~(T1)X, when T1 and T2 are integer types of the same precision
5625 and (T2)X isn't an extension.
5627 2006-03-28 Jeff Law <law@redhat.com>
5629 PR tree-optimization/26796
5630 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5631 need EH edge cleanups rather than purging them immediately.
5632 (eliminate_degenerate_phis): Handle queued EH cleanups.
5634 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5636 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5639 2006-03-27 Roger Sayle <roger@eyesopen.com>
5642 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5643 cast BIT_NOT_EXPR operand to the correct type.
5645 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5647 * tree-loop-linear.c: Don't include varray.h.
5648 (gather_interchange_stats, try_interchange_loops,
5649 linear_transform_loops): Use VEC instead of VARRAY.
5650 * lambda-mat.c: Don't include varray.h.
5651 * tree-chrec.c: Same.
5652 * lambda-trans.c: Same.
5653 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5654 VEC instead of VARRAY.
5655 * tree-vectorizer.h: Idem.
5656 * tree-data-ref.c (dump_data_references,
5657 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5658 initialize_data_dependence_relation, finalize_ddr_dependent,
5659 compute_all_dependences, find_data_references_in_loop,
5660 compute_data_dependences_for_loop, analyze_all_data_dependences,
5661 free_dependence_relation, free_dependence_relations,
5662 free_data_refs): Idem.
5663 * tree-data-ref.h (data_reference_p, subscript_p): New.
5664 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5665 VEC instead of VARRAY.
5666 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5667 (find_data_references_in_loop, compute_data_dependences_for_loop,
5668 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5669 dump_data_dependence_relations, free_dependence_relations,
5670 free_data_refs): Adjust declaration.
5671 (lambda_transform_legal_p): Move declaration here...
5672 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5673 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5674 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5675 vect_analyze_data_refs): Use VEC instead of VARRAY.
5676 * lambda.h (lambda_transform_legal_p): ...from here.
5677 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5678 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5679 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5680 tree-chrec.o): Don't depend on VARRAY_H.
5682 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5684 * rtl.def (Copyright): Update date.
5685 (DEPS_LIST): Change type of the second operand to 'int'.
5686 * target.h (Copyright): Update date.
5687 (struct gcc_target.speculate_insn): Change type of the second parameter
5689 * lists.c (Copyright): Update date.
5690 (alloc_DEPS_LIST): Change signature. Update reference to the second
5691 operand of the DEPS_LIST.
5692 (copy_DEPS_LIST_list): Update reference to the second operand of the
5694 * rtl.h (Copyright): Update date.
5695 (alloc_DEPS_LIST): Update signature.
5696 * sched-int.h (Copyright): Update date.
5697 (ds_t): Change typedef to 'int'.
5698 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5700 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5702 * haifa-sched.c (Copyright): Update date.
5703 (try_ready): Change condition to restore non-speculative pattern
5705 (process_insn_depend_be_in_spec): Code to keep probability of the
5706 speculative dependence non-decreasing.
5708 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5710 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5711 shut up the compiler.
5713 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5715 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5716 to use lib prefix for target.
5717 ($(T)libic_invalidate_array_4-200.a): Likewise.
5718 ($(T)libic_invalidate_array_4a.a): Likewise.
5720 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5721 J"orn Rennecke <joern.rennecke@st.com>
5723 * superh.opt: New file.
5724 * sh.c (boardtype, osruntime): Remove.
5725 * superh.h (SUBTARGET_OPTIONS): Remove.
5726 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5728 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5729 arguments with ^ and/or [].
5731 * config.gcc (sh-*-*): Add quoting to account for quirk of
5733 Replace == with = in enable_incomplete_targets test.
5735 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5736 with MASK_LITTLE_ENDIAN.
5738 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5739 * config/sh/sh.opt: Added to some comments.
5740 * config/sh/superh.h: Removed some chaff.
5742 * config/sh/sh.opt: Add m4-[1234]00* options.
5743 * config/sh/sh.c (sh_handle_option): Likewise.
5744 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5745 (ic_invalidate_array_4-100.o): New rule.
5746 ($(T)libic_invalidate_array_4-100.a): Likewise.
5747 (ic_invalidate_array_4-200.o): Likewise.
5748 ($(T)libic_invalidate_array_4-200.a): Likewise.
5749 (ic_invalidate_array_4a.o): Likewise.
5750 ($(T)libic_invalidate_array_4a.a): Likewise.
5751 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5752 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5754 * config/sh/crt1.asm: Merged in profiling code.
5755 * config/sh/superh.h (STARTFILE_SPEC): Override.
5756 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5757 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5758 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5760 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5761 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5762 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5764 * sh.opt (mpretend-cmove): New option.
5765 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5766 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5767 (movsicc): Add TARGET_PRETEND_CMOVE code.
5769 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5771 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5772 s390_class_max_nregs): New function prototypes.
5773 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5774 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5775 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5776 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5778 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5780 * dwarf2out.c (add_location_or_const_value_attribute): Call
5781 tree_add_const_value_attribute if nothing else works.
5782 (reference_to_unused): New.
5783 (rtl_for_decl_init): Use reference_to_unused to decide whether
5784 to output an initializer.
5786 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5789 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5790 peephole removing spe frob_di_df_2.
5792 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5794 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5795 (subscript_dependence_tester_1): Declared.
5796 (print_dir_vectors, print_dist_vectors): New.
5797 (debug_data_dependence_relation): New.
5798 (dump_data_dependence_relation): Print more details.
5799 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5800 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5801 (save_dist_v, save_dir_v, add_outer_distances,
5802 build_classic_dist_vector_1): New.
5803 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5804 Don't test for lambda_vector_lexico_pos.
5805 (same_access_functions, add_multivariate_self_dist,
5806 add_other_self_distances, dir_from_dist): New.
5807 (build_classic_dir_vector): Replace implementation almost identical to
5808 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5810 (subscript_dependence_tester_1): New.
5811 (subscript_dependence_tester): Handle the lexicographically negative
5812 distance vectors by recomputing the dependence relation.
5813 (compute_affine_dependence): Remove parameter loop_nest_depth.
5814 (compute_self_dependence): Don't call compute_subscript_distance.
5815 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5816 Add a parameter for the loop_nest.
5817 (find_loop_nest_1, find_loop_nest): New.
5818 (compute_data_dependences_for_loop): Compute the loop nest, and give
5819 up if the nest is not well formed.
5820 * tree-data-ref.h (loop_p): New.
5821 (struct data_dependence_relation): Replace size_vect field with
5822 loop_nest, a vec of loops.
5823 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5824 (DDR_LOOP_NEST): New.
5825 (print_dir_vectors, print_dist_vectors,
5826 debug_data_dependence_relation): Declared.
5827 (index_in_loop_nest): New.
5828 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5829 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5832 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5834 * simplify-rtx.c (simplify_relational_operation): Call
5835 simplify_relational_operation_1 even if mode is VOIDmode.
5837 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5839 PR tree-optimization/26804
5840 * tree.h (DECL_CALL_CLOBBERED): New macro.
5841 (tree_decl_common): Add call_clobbered_flag.
5842 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5843 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5844 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5845 (mark_non_addressable): Ditto.
5846 * tree-ssa.c (verify_call_clobbered): New function.
5847 (verify_alias_info): Use it.
5848 * tree-pass.h (pass_reset_cc_flags): New prototype.
5849 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5850 (reset_cc_flags): New function.
5851 * passes.c (init_optimization_passes): Call reset_cc_flags after
5852 initializing referenced_vars.
5854 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5855 Roger Sayle <roger@eyesopen.com>
5858 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5859 to 1.0 for non-real operands. Implement A / A optimization for
5862 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5864 * config/i386/i386.c (size_cost): Correct the comment for
5865 cost of storing fp registers.
5866 (i386_cost): Likewise.
5867 (i486_cost): Likewise.
5868 (pentium_cost): Likewise.
5869 (pentiumpro_cost): Likewise.
5870 (k6_cost): Likewise.
5871 (athlon_cost): Likewise.
5872 (k8_cost): Likewise.
5873 (pentium4_cost): Likewise.
5874 (nocona_cost): Likewise.
5875 (generic64_cost): Likewise.
5876 (generic32_cost): Likewise.
5878 2006-03-24 Denis Chertykov <denisc@overta.ru>
5880 * config/avr/avr-protos.h (extra_constraint): Delete.
5881 (extra_constraint_Q): New declaration.
5882 * config/avr/constraints.md: New file.
5883 * config/avr/avr.md: Include it.
5884 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5885 (TMP_REGNO, ZERO_REGNO): Likewise.
5886 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5887 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5888 (extra_constraint): Delete.
5889 (extra_constraint_Q): Test for memory constraint 'Q'.
5890 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5891 (REG_CLASS_FROM_LETTER): Delete.
5892 (CONST_OK_FOR_LETTER_P): Delete.
5893 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5894 (EXTRA_CONSTRAINT): Delete.
5895 (TMP_REGNO): Delete.
5896 (ZERO_REGNO): Delete.
5898 2006-03-24 Jeff Law <law@redhat.com>
5900 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5901 directly. Call mark_new_vars_to_rename slightly earlier.
5903 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5905 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5907 (gen_compile_unit_die): Use new language types for Objective-C and
5909 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5910 DW_LANG_C_plus_plus.
5913 * config/t-darwin (crt3.o): Work around bug 26840.
5914 * config/darwin-crt3.c: Rewrite.
5915 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5917 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5919 * doc/invoke.texi: Document -femit-class-debug-always
5920 * common.opt: Add -femit-class-debug-always.
5922 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5924 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5925 index and base register.
5926 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5927 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5928 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5929 REGNO_OK_FOR_INDEX_P.
5930 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5932 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5933 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5934 REG_OK_FOR_BASE_P): Definitions removed.
5936 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5939 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5940 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5941 set yet or weren't marked as local yet.
5943 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5945 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5948 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5950 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5951 (rs6000_legitimate_small_data_p): Delete.
5952 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5953 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5954 and make static. Add forward declaration. Update uses.
5955 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5956 of offsettable_memref_p.
5957 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5958 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5960 2006-03-24 Jeff Law <law@redhat.com>
5962 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5963 around bug in immediate-use iterator.
5965 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5968 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5969 or __LITTLE_ENDIAN__.
5971 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5973 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5974 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5975 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5976 * config/sh/sh.opt (mdiv=): Amend description.
5977 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5978 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5979 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5980 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5981 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5982 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5983 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5984 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5985 TARGET_DIVIDE_CALL_FP.
5987 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5989 * haifa-sched.c (choose_ready): Fix type of the local variable.
5990 Move local variables. Add comment.
5991 (check_reg_live): Change signature. Make callable from debugger.
5992 * sched-int.h (check_reg_live): Update signature.
5993 * sched-ebb.c (check_reg_live): Update parameters.
5994 * sched-rgn.c (check_reg_live): Ditto.
5995 (region_head_or_leaf_p): Check pointer before dereferencing.
5996 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5997 before reload on optimization levels below 1.
5999 2006-03-23 Richard Henderson <rth@redhat.com>
6001 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6005 * config/alpha/predicates.md (local_symbolic_operand): Reject
6008 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6011 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6012 expressions which have overflowed constants.
6014 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6016 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6018 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6020 * cfgloopmanip.c (create_loop_notes): Removed.
6021 * final.c (final_scan_insn): Do not handle loop notes.
6022 * jump.c (squeeze_notes): Ditto.
6023 * cfglayout.c (skip_insns_after_block,
6024 duplicate_insn_chain): Ditto.
6025 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6027 * cfgloop.h (create_loop_notes): Declaration removed.
6029 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6031 * varasm.c (output_constant_pool): Restore fnname and fndecl
6033 (assemble_start_function): Adjust call accordingly.
6034 (assemble_end_function): Likewise.
6036 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6039 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6042 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6044 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6047 * system.h (ICE_EXIT_CODE): New macro.
6048 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6049 (diagnostic_action_after_output): Likewise.
6050 * gcc.c (fatal_ice): New function.
6051 (execute): Use it instead of fatal.
6052 (fancy_abort): Likewise.
6053 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6055 2006-03-22 Jeff Law <law@redhat.com>
6057 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6058 iv_analyze_result returning false.
6060 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6062 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6064 2006-03-22 Richard Henderson <rth@redhat.com>
6067 * except.c (duplicate_eh_regions_0): New.
6068 (duplicate_eh_region_1): Duplicate the children of the node as
6069 well as the node itself. Link them up properly.
6070 (duplicate_eh_region_2): Merge into ...
6071 (duplicate_eh_regions): ... here. Take copy_region argument, and
6072 copy only a sub-tree if asked. Simplify copying and fixup.
6073 (eh_region_outer_p): New.
6074 * except.h (duplicate_eh_regions): Update decl.
6075 (eh_region_outer_p): Declare.
6076 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6077 (lower_omp_master): Likewise.
6078 (lower_omp_ordered): Likewise.
6079 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6080 (move_stmt_r): Use it to remap labels. Handle recursion vs
6081 remap_decls_p properly.
6082 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6083 (find_outermost_region_in_block): New.
6084 (new_label_mapper): New.
6085 (move_sese_region_to_fn): Copy eh information to the new function
6087 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6089 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6092 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6094 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6095 into shared libraries.
6097 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6099 * doc/md.texi: Refer to i386/constraints.md instead of
6101 * config/i386/constraints.md: New file, extracted from...
6102 * config/i386/predicates.md: ...here.
6103 * config/i386/i386.md: Include constraints.md.
6105 2006-03-21 Jason Merrill <jason@redhat.com>
6107 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6110 * expr.c (init_block_move_fn): Force default visibility.
6111 (init_block_clear_fn): Likewise.
6112 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6113 * targhooks.c (default_external_stack_protect_fail): Likewise.
6115 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6117 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6118 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6119 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6120 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6121 (loadgp): Use mips_current_loadgp_style.
6122 (loadgp_noshared): New pattern.
6123 (sibcall_internal): Use MIPS_CALL.
6124 (sibcall_value_internal): Likewise.
6125 (sibcall_value_multiple_internal): Likewise.
6126 (call_internal): Likewise.
6127 (call_value_internal): Likewise.
6128 (call_value_multiple_internal): Likewise.
6129 (call_split): Use MIPS_CALL and add an 'S' constraint.
6130 (call_value_split): Likewise.
6131 (call_value_multiple_split): Likewise.
6132 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6133 (-mshared): New option.
6134 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6135 (mips_current_loadgp_style): Declare.
6136 * config/mips/mips.c (mips_classify_symbol): Avoid using
6137 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6138 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6139 TARGET_ABSOLUTE_ABICALLS.
6140 (override_options): Adjust comments. Improve the warning that is
6141 issued when -mabicalls and -G are used together.
6142 (mips_file_start): Remove comment.
6143 (mips_current_loadgp_style): New function.
6144 (mips_gnu_local_gp): New variable.
6145 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6147 (mips_output_function_prologue): Use mips_current_laodgp_style.
6148 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6149 the cprestore instruction.
6150 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6151 live for TARGET_ABSOLUTE_ABICALLS.
6152 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6153 (ASM_SPEC): Pass down -mshared and -mno-shared.
6154 (MIPS_CALL): New macro.
6155 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6157 * doc/invoke.texi (-mabicalls): Update documentation.
6158 (-mshared): Document.
6160 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6162 * config/ia64/unwind-hpux.c: New file.
6163 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6165 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6168 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6170 2006-03-21 Jeff Law <law@redhat.com>
6172 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6173 type conversions of a VR_VARYING source to a wider type.
6175 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6177 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6178 tm_file on Solaris 10 and later.
6179 (sparc64-*-solaris2*): Likewise.
6180 (sparc-*-solaris2*): Likewise.
6181 * config/sol26.h: Rename to config/sol2-6.h.
6182 * config/sol2-10.h: New file.
6184 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6187 * tree-ssa-pre.c (create_component_ref_by_pieces):
6190 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6193 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6194 return it immediately.
6196 2006-03-21 Michael Matz <matz@suse.de>
6198 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6200 (remove_arc, add_arc): Update num_out_arcs member.
6201 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6203 (cache_presence): New function.
6204 (compare_states_for_equiv): New function.
6205 (state_is_differed): Don't take number of outargs, adjust callers.
6206 Use new invariant for speeding up.
6207 (init_equiv_class): Create initial classes based on sorted
6209 (partition_equiv_class): Don't track out_arcs_num.
6210 (evaluate_equiv_classes): Call cache_presence on all states and
6213 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6215 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6216 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6217 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6218 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6220 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6221 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6222 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6223 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6224 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6226 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6227 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6228 (REGNO_REG_CLASS): ARGP is in PREGS.
6229 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6231 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6232 to deal with those addresses.
6233 * addresses.h: New file.
6234 * caller-save.c: Include "addresses.h".
6235 (init_caller_save): Use new base_reg_class function.
6236 * rtl-factoring.c: Include "addresses.h".
6237 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6238 * recog.c: Include "addresses.h".
6239 (preprocess_constraints): Use new base_reg_class function.
6240 * regrename.c: Include "addresses.h".
6241 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6242 functions. Keep track of a new var INDEX_CODE to compute valid
6244 (replace_oldest_value_addr): Likewise.
6245 (replace_oldest_value_mem): Use base_reg_class.
6246 * reload.c: Include "addresses.h".
6247 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6248 (find_reloads): Use new base_reg_class function.
6249 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6250 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6251 all callers and prototype changed.
6252 * reload1.c: Include "addresses.h".
6253 (maybe_fix_stack_asms): Use base_reg_class.
6254 * regclass.c: Include "addresses.h".
6255 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6256 (init_reg_autoinc): Use new base_reg_class function.
6257 (record_reg_classes): Likewise.
6258 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6259 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6260 Use new args to compute necessary class.
6262 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6263 regrename.o, rtl-factoring.o): Update dependencies.
6264 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6265 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6266 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6267 REG_OK_FOR_INDEX_P): Delete documentation.
6269 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6271 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6272 from V7 to V9 for Solaris 7 and above.
6274 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6276 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6277 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6278 argument pointers may not alias any other storage.
6279 * common.opt: Define option -fargument-noalias-anything.
6280 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6281 alias semantics is specified by flag_argument_noalias > 2.
6283 2006-03-20 Jeff Law <law@redhat.com>
6285 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6286 (pass_phi_only_cprop): Declare.
6287 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6289 * tree-ssa-dom.c (degenerate_phi_result): New function.
6290 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6291 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6292 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6293 (eliminate_degenerate_phis): Likewise.
6294 (pass_phi_only_cprop): New pass descriptor.
6295 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6296 support code. Callers updated.
6297 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6298 (store_copy_prop): Likewise.
6299 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6301 2006-03-20 Jason Merrill <jason@redhat.com>
6304 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6305 (push_visibility, pop_visibility): Likewise.
6306 * c-pragma.h: Declare them.
6308 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6310 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6312 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6313 parameter and use get_ebb_head_tail.
6314 (sh_md_init_global): Adjust uses of find_regmode_weight.
6316 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6318 * function.h (struct function) <x_tail_recursion_reentry>:
6319 Rename to x_stack_check_probe_note.
6320 (tail_recursion_reentry): Rename to stack_check_probe_note.
6321 * function.c: Replace tail_recursion_reentry with
6322 stack_check_probe_note everywhere.
6323 (expand_function_start): Only emit a note for
6324 stack_check_probe_note with -fstack-protect.
6325 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6327 * emit-rtl.c (remove_unnecessary_notes): Remove.
6328 (pass_remove_unnecessary_notes): Remove.
6329 * rtl.h (remove_unnecessary_notes): Remove prototype.
6330 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6331 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6332 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6334 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6337 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6338 (valid_in_set): Handle ARRAY_REF.
6339 Change "if min_variant or VH" to asserts.
6340 (create_component_ref_by_pieces): Handle ARRAY_REF.
6341 (create_expression_by_pieces): Likewise.
6342 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6344 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6346 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6347 is operand of switch, not str[0].
6349 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6351 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6352 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6354 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6356 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6357 end of insn_extra_address_constraint declaration.
6359 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6361 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6362 (no-sum-in-toc): Same.
6363 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6365 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6366 NO_FP_IN_TOC for -fPIC instead of mask.
6368 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6369 (BOOT_LDFLAGS): Delete.
6371 * config/rs6000/t-aix52: Same.
6373 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6374 (stmsi[345678]_power): New.
6376 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6378 * config/ia64/ia64.opt: Add empty line to end of file.
6380 2006-03-17 Richard Guenther <rguenther@suse.de>
6383 * builtins.c (get_pointer_alignment): For component style references
6384 adjust alignment to the component type alignment. Make sure
6385 to adjust alignment for component access of constants.
6387 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6389 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6392 2006-03-17 Paul Brook <paul@codesourcery.com>
6394 * doc/install.texi: Docuemnt --with-mode.
6395 * config.gcc: Add --with-mode for arm*-*-*.
6396 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6398 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6400 * sh.c (max_labelno_before_reorg): New variable.
6401 (sh_reorg): Initialize it.
6402 (find_barrier): Check max_labelno_before_reorg before using
6403 label_to_alignment. Take length of explicit alignment insns
6404 into account. When seeing a UNSPECV_CONST_END, return it.
6406 * sh.c (fixup_mova): Set mode of affected label to QImode.
6407 (untangle_mova): New function.
6408 (find_barrier): Use it. Check mode of label before decrementing
6410 (sh_reorg): Likewise.
6411 Set mode of all insns back to VOIDmode.
6413 * sh.c (MOVA_LABELREF): New macro.
6414 (mova_p, fixup_mova, sh_reorg): Use it.
6415 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6416 ADDR_DIFF_VEC matches mova.
6418 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6420 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6421 with ATTRIBUTE_UNUSED.
6423 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6425 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6426 pointer, instead of assuming it is possible to derive the
6427 correct args size from a call insn.
6429 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6431 * rtl.h (CONST_INT_P): Define.
6432 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6433 instead of GET_CODE(x) == CONST_INT.
6434 (vax_rtx_costs): Likewise.
6435 (vax_output_int_move): Likewise.
6436 (vax_output_int_add): Likewise.
6437 (legitimate_constant_address_p): Likewise.
6438 (index_term_p): Likewise.
6439 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6440 * config/vax/vax.md (and<mode>3): Likewise.
6441 (ashrsi3): Likewise.
6443 (movstricthi): Likewise.
6444 (movstrictqi): Likewise.
6445 (rotrsi3): Likewise.
6446 (five unnamed insns): Likewise.
6448 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6450 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6451 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6452 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6453 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6454 Pass to ASM_OUTPUT_DWARF_OFFSET.
6455 * dwarf2out.c (debug_frame_section): New.
6456 (output_call_frame_info): Use debug_frame_section. Pass it to
6457 dw2_asm_output_offset.
6458 (output_die): Pass appropriate section to dw2_asm_output_offset.
6459 (output_compilation_unit_header): Likewise.
6460 (output_pubnames): Likewise.
6461 (output_aranges): Likewise.
6462 (enum dw_val_class): Break dw_val_class_lbl_offset into
6463 dw_val_class_lineptr and dw_val_class_macptr.
6464 (add_AT_lbl_offset): Delete.
6465 (add_AT_lineptr): New.
6466 (add_AT_macptr): New.
6467 (AT_lbl): Expect a lineptr or macptr.
6468 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6469 (attr_checksum): Likewise.
6470 (same_dw_val_p): Likewise.
6471 (size_of_die): Likewise.
6472 (value_format): Likewise.
6473 (output_die): Likewise.
6474 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6476 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6477 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6478 * config/darwin-protos.h (darwin_file_start): New.
6479 (darwin_asm_output_dwarf_offset): New.
6480 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6481 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6483 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6484 if not EH section; simplify.
6485 (darwin_file_start): New.
6486 (darwin_asm_output_dwarf_offset): New.
6487 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6489 (DEBUG_INFO_SECTION): Likewise.
6490 (DEBUG_ABBREV_SECTION): Likewise.
6491 (DEBUG_ARANGES_SECTION): Likewise.
6492 (DEBUG_MACINFO_SECTION): Likewise.
6493 (DEBUG_LINE_SECTION): Likewise.
6494 (DEBUG_LOC_SECTION): Likewise.
6495 (DEBUG_PUBNAMES_SECTION): Likewise.
6496 (DEBUG_STR_SECTION): Likewise.
6497 (DEBUG_RANGES_SECTION): Likewise.
6498 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6499 (ASM_OUTPUT_DWARF_OFFSET): New.
6501 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6503 * config.gcc (tm_defines): Always add to previous value rather
6506 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6508 * config/mips/predicates.md (splittable_const_int_operand): New,
6509 split from move_operand.
6510 (splittable_symbolic_operand): New.
6511 (move_operand): Add commentary. Use splittable_const_int_operand.
6512 Inline mips_atomic_symbolic_constant_p.
6513 * config/mips/mips.md: Add combine splitters for handling moves
6514 of splittable_const_int_operands and splittable_symbolic_operands.
6515 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6516 (mips_split_symbol): Declare.
6517 (mips_move_integer): Declare.
6518 * config/mips/mips.c (mips_split_p): Make global.
6519 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6520 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6521 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6522 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6523 (mips_offset_within_object_p): Handle block symbols.
6524 (mips_atomic_symbolic_constant_p): Delete.
6525 (mips_cannot_force_const_mem): Return false for constants that
6526 mips_legitimize_move can handle.
6527 (mips_use_blocks_for_constant_p): New function.
6528 (mips_split_symbol): Make global.
6529 (mips_move_integer): Likewise. Add a temporary register argument.
6530 (mips_legitimize_const_move): Use splittable_const_int_operand and
6531 splittable_symbolic_operand.
6532 (mips_use_anchors_for_symbol_p): New function.
6533 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6534 (mips_split_p): Declare.
6536 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6538 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6539 (mips*-*-linux*): Likewise.
6541 2006-03-16 Roger Sayle <roger@eyesopen.com>
6542 Daniel Speyer <dspeyer@wam.umd.edu>
6545 * tree-dump.c (dump_real): New function.
6546 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6547 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6548 (tree-dump.o): Add $(REAL_H) to the dependencies.
6550 2006-03-16 Roger Sayle <roger@eyesopen.com>
6553 * real.c (real_from_string): If the mantissa is zero, don't bother
6554 parsing the exponent as the result should always be zero.
6556 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6558 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6560 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6562 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6563 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6564 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6565 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6566 ia64_sched_finish_global): New static functions to implement
6567 hooks from gcc_target.sched.
6568 (spec_check_no, max_uid, pending_data_specs): New static variables.
6569 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6570 ia64_spec_check_src_p): New static functions.
6571 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6572 (TARGET_SCHED_ADJUST_COST): Removed.
6573 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6574 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6575 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6576 TARGET_SCHED_GEN_CHECK,
6577 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6578 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6579 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6580 Fixed to handle speculation checks.
6581 (rtx_needs_barrier): Fixed to handle speculative loads and
6583 (ia64_variable_issue): Added code to count speculative loads and their
6585 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6587 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6589 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6591 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6592 (ia64_reorg): Reset stops_p to NULL after it is freed.
6593 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6594 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6595 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6597 (data_speculative, control_speculative, check_load): New attributes.
6598 (mov<mode>_advanced, mov<mode>_speculative,
6599 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6600 zero_extend<mode>di2_speculative,
6601 zero_extend<mode>di2_speculative_advanced): New patterns for
6602 data and control speculative loads.
6603 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6605 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6606 New pattern for data and control speculation checks.
6607 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6608 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6609 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6610 Auxiliary definitions for the patterns.
6611 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6612 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6614 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6616 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6617 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6618 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6619 New resource constraints.
6620 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6622 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6623 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6624 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6625 msched-in-control-spec, msched-ldc, msched-control-ldc,
6626 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6627 msched-prefer-non-control-spec-insns,
6628 msched-count-spec-in-critical-path): New flags to tune speculative
6630 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6631 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6632 msched-in-control-spec, msched-ldc, msched-control-ldc,
6633 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6634 msched-prefer-non-control-spec-insns,
6635 msched-count-spec-in-critical-path): Document new flags.
6637 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6639 * target.h (struct spec_info_def): New opaque declaration.
6640 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6641 speculate_insn, needs_block_p, gen_check,
6642 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6643 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6644 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6645 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6646 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6647 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6649 (TARGET_SCHED): Use new macros.
6650 * rtl.h (copy_DEPS_LIST_list): New prototype.
6651 * sched-int.h (struct sched_info): Change signature of new_ready field,
6652 adjust all initializations. New fields: add_remove_insn,
6653 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6654 region_head_or_leaf_p.
6655 (struct spec_info_def): New structure declaration.
6656 (spec_info_t): New typedef.
6657 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6658 recovery_block, orig_pat.
6659 (glat_start, glat_end): New variables declaraions.
6660 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6662 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6663 DETACH_LIFE_INFO, USE_GLAT.
6664 (enum SPEC_SCHED_FLAGS): New enumeration.
6665 (NOTE_NOTE_BB_P): New macro.
6666 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6667 attach_life_info, debug_spec_status, check_reg_live): New functions.
6668 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6669 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6671 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6672 * ddg.c (get_block_head_tail): Adjust all uses.
6673 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6674 (sms_sched_info): Initialize new fields.
6675 (contributes_to_priority): Removed.
6676 * haifa-sched.c (params.h): New include.
6677 (get_block_head_tail): Adjust all uses.
6678 (ISSUE_POINTS): New macro.
6679 (glat_start, glat_end): New global variables.
6680 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6681 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6682 old_last_basic_block, before_recovery, current_sched_info_var,
6683 rgn_n_insns, luid): New static variables.
6684 (insn_cost1): New function. Move logic from insn_cost to here.
6685 (find_insn_reg_weight1): New function. Move logic from
6686 find_insn_reg_weight to here.
6687 (reemit_notes, move_insn, max_issue): Change signature.
6688 (move_insn1): Removed.
6689 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6690 extend_bb): New static functions to support extension of scheduler's
6692 (generate_recovery_code, process_insn_depend_be_in_spec,
6693 begin_speculative_block, add_to_speculative_block,
6694 init_before_recovery, create_recovery_block, create_check_block_twin,
6695 fix_recovery_deps): New static functions to support
6696 generation of recovery code.
6697 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6698 restore_bb_notes, move_block_after_check, move_succs): New static
6699 functions to support ebb scheduling.
6700 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6701 functions to support handling of register live information.
6702 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6703 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6704 add_jump_dependencies): New static functions.
6705 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6706 consistancy checking.
6707 (debug_spec_status): New function to call from debugger.
6708 (priority): Added code to handle speculation checks.
6709 (rank_for_schedule): Added code to distinguish speculative instructions.
6710 (schedule_insn): Added code to handle speculation checks.
6711 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6712 Fixed to handle ebbs.
6713 (move_insn): Added code to handle ebb scheduling.
6714 (max_issue): Added code to use ISSUE_POINTS of instructions.
6715 (choose_ready): Added code to choose between speculative and
6716 non-speculative instructions.
6717 (schedule_block): Added code to handle ebb scheduling and scheduling of
6718 speculative instructions.
6719 (sched_init): Initialize new variables.
6720 (sched_finish): Free new variables. Print statistics.
6721 (try_ready): Added code to handle speculative instructions.
6722 * lists.c (copy_DEPS_LIST_list): New function.
6723 * sched-deps.c (extend_dependency_caches): New function. Move logic
6724 from create_dependency_caches to here.
6725 (get_dep_weak, ds_merge): Make global.
6726 * genattr.c (main): Code to output prototype for
6727 dfa_clear_single_insn_cache.
6728 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6729 (output_dfa_clean_insn_cache_func): Code to output
6730 dfa_clear_single_insn_cache function.
6731 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6733 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6735 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6736 New static variables.
6737 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6738 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6740 (ebb_sched_info): Initialize new fields.
6741 (get_block_head_tail): Adjust all uses.
6742 (compute_jump_reg_dependencies): Fixed to use glat_start.
6743 (schedule_ebb): Code to remove unreachable last block.
6744 (schedule_ebbs): Added code to update register live information.
6745 * sched-rgn.c (region_sched_info): Initialize new fields.
6746 (get_block_head_tail): Adjust all uses.
6747 (last_was_jump): Removed. Adjust users.
6748 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6749 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6750 Implement new hooks.
6751 (check_dead_notes1): New static function.
6752 (struct region): New fields: dont_calc_deps, has_real_ebb.
6753 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6754 (BB_TO_BLOCK): Fixed to handle EBBs.
6755 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6756 (ebb_head): New static variable.
6757 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6758 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6760 (compute_dom_prob_ps): New assertion.
6761 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6762 global_live_at_start.
6763 (init_ready_list): New assertions.
6764 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6765 (new_ready): Add support for BEGIN_CONTROL speculation.
6766 (schedule_insns): Fixed code that updates register live information
6768 (schedule_region): Fixed to handle EBBs.
6769 (init_regions): Use extend_regions and check_dead_notes1.
6770 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6771 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6772 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6773 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6774 TARGET_SCHED_GEN_CHECK,
6775 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6776 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6777 * doc/invoke.texi (max-sched-insn-conflict-delay,
6778 sched-spec-prob-cutoff): Document.
6780 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6782 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6783 inter_tick, queue_index.
6784 (struct sched_info): Change signature of init_ready_list field.
6785 Adjust all initializations.
6786 (RESOLVED_DEPS): New access macro.
6787 (ready_add): Remove prototype.
6788 (try_ready): Add prototype.
6789 * sched-rgn.c (init_ready_list): Use try_ready.
6790 (schedule_region): Initialize
6791 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6792 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6793 (init_ready_list): Use try_ready.
6794 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6795 * lists.c (remove_list_elem): Remove `static'.
6796 (remove_free_INSN_LIST_elem): New function.
6797 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6798 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6799 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6801 (readyp): New variable.
6802 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6803 change_queue_index, resolve_dep): New static functions.
6804 (try_ready): New function. Adjust callers in sched-rgn.c and
6805 sched-ebb.c to use it instead of ready_add.
6806 (clock_var): Move at the begining of file.
6807 (rank_for_schedule): Fix typo.
6808 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6809 (ready_lastpos): Enforce assertion.
6810 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6812 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6813 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6814 (queue_to_ready): Use free_INSN_LIST_list.
6815 (early_queue_to_ready): Fix typo.
6816 (schedule_block): Init readyp. Move init_ready_list call after the
6817 initialization of clock_var. Fix error in rejecting insn by
6818 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6819 that previously corrected INSN_TICKs. Add code for handling
6821 (set_priorities): Fix typo.
6822 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6823 Clarify comment and code that keeps current_sched_info->next_tail
6826 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6828 * sched-rgn.c (extend_rgns): New static function.
6829 (find_rgns): Use it.
6830 (gather_region_statistics, print_region_statistics): New static
6832 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6833 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6835 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6836 Andrey Belevantsev <abel@ispras.ru>
6838 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6839 * lists.c (unused_deps_list): New variable.
6840 (free_list): Add assertions to verify the proper distinguishing
6841 between INSN_LISTs and DEPS_LISTs.
6842 (find_list_elem, remove_list_elem, remove_list_node): New static
6844 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6845 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6846 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6847 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6849 (free_INSN_LIST_node): Likewise.
6850 * modulo-sched.c (current_sched_info): Initialize flags field.
6851 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6852 * rtl.def (DEPS_LIST): Define.
6853 * rtl.h: Declare new functions from lists.c.
6854 * sched-deps.c (spec_dependency_cache): New static variable.
6855 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6856 (add_dependence): Change return type to void. Move the logic to ...
6857 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6858 (delete_all_dependences): Add comment about forward_dependency_cache.
6859 Handle spec_dependency_cache. Handle DEPS_LISTs.
6860 (fixup_sched_groups): Clarify the change of priority of output
6861 and anti dependencies.
6862 (sched_analyze_2): Adjust add_dependence calls to create data
6863 speculative dependence.
6864 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6865 Adjust all callers. Handle DEPS_LISTS.
6866 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6867 presence of speculation.
6868 (init_dependency_caches, free_dependency_caches):
6869 Handle spec_dependency_cache.
6870 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6871 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6872 New static functions.
6873 (add_or_update_back_dep, add_or_update_back_forw_dep,
6874 add_back_forw_dep, delete_back_forw_dep): New functions.
6875 * sched-int.h (ds_t, dw_t): New typedefs.
6876 (struct sched_info): Add new field flags.
6877 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6878 Prototype new sched-deps.c functions.
6879 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6880 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6881 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6882 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6883 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6884 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6886 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6888 * sched-rgn.c (current_sched_info): Initialize flags field.
6889 (schedule_insns): Initialize current_sched_info before the sched_init
6891 * sched-ebb.c (current_sched_info): Initialize flags field.
6892 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6893 Call add_or_update_back_dep instead of add_dependence.
6894 Create control speculative dependencies.
6895 (schedule_insns): Initialize current_sched_info before the sched_init
6898 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6900 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6902 (sh_fallback_frame_state): Likewise.
6904 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6906 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6907 Do switch on default_use_cxa_atexit.
6908 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6909 * config/darwin-crt3.o: New.
6910 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6911 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6912 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6914 * config/rs6000/t-darwin: Move crt2.o building to here.
6915 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6916 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6919 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6921 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6922 from '! xxx' to '!xxx' for coding-style conformance.
6923 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6924 (EXTRA_CONSTRAINT): Likewise.
6925 * config/vax/vax.md (four unnamed insns): Likewise.
6927 2006-03-15 Paul Brook <paul@codesourcery.com>
6929 * config/arm/arm.c (minipool_pad): New.
6930 (add_minipool_forward_ref): Include pool alignment padding in address
6932 (push_minipool_fix): Set minipool_pad.
6933 (minipool_pad): Ditto.
6935 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6937 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6938 instead of GET_CODE() == MEM and REG_P() instead of
6940 (print_operand_address): Likewise.
6941 (vax_address_cost): Likewise.
6942 (vax_rtx_costs): Likewise.
6943 (vax_notice_update_cc): Likewise.
6944 (vax_output_int_add): Likewise.
6945 (INDEX_REGISTER_P): Likewise.
6946 (BASE_REGISTER_P): Likewise.
6947 (nonindexed_address_p): Likewise.
6948 (vax_mode_dependent_address_p): Likewise.
6949 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6950 (PRINT_OPERAND): Likewise.
6951 * config/vax/vax.md (ashlsi3): Likewise.
6952 (ashlsi3): Likewise.
6953 (some more unnamed insns): Likewise.
6955 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6957 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6958 iterator-style macro.
6959 (mark_control_dependent_edges_necessary): Update the use of
6960 EXECUTE_IF_CONTROL_DEPENDENT.
6962 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6964 * config/sh/predicates.md (cache_address_operand): Special.
6965 (ua_address_operand): Likewise.
6967 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6969 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6971 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6973 2006-03-15 Andreas Schwab <schwab@suse.de>
6975 * gensupport.c (identify_predicable_attribute): Don't free p_false
6976 when it is still in use.
6978 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6980 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6981 the default setting here.
6983 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6985 * tree-pass.h (pass_cfg): Remove.
6986 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6987 * passes.c (pass_cfg): Don't run it.
6989 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6991 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6992 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6994 (stack_regs_mentioned): Update the uses of
6995 stack_regs_mentioned_data. Don't access the array beyond its
6997 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6998 Don't include gt-reg-stack.h.
7000 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7001 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7003 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7006 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7009 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7011 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7013 2006-03-14 Richard Guenther <rguenther@suse.de>
7015 PR tree-optimization/26672
7016 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7019 2006-03-14 Richard Guenther <rguenther@suse.de>
7021 PR tree-optimization/26667
7022 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7023 node for the callees. Always allow inlining if it will shrink
7026 2006-03-14 Richard Guenther <rguenther@suse.de>
7029 * builtins.c (get_pointer_alignment): Prefer alignment
7030 information from decls over that from types.
7032 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7035 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7037 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7039 * config/rs6000/rs6000.opt (mdlmzb): New option.
7040 (msched-prolog, msched-epilog): Use Var not Mask.
7041 * doc/invoke.texi (-mdlmzb): Document.
7042 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7044 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7045 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7047 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7049 PR rtl-optimization/25739
7050 * bt-load.c (augment_live_range): Free tos pointer.
7052 * gensupport.c (identify_predicable_attribute): Free
7054 * gcov.c (create_file_names): Free name pointer.
7056 2006-03-13 Roger Sayle <roger@eyesopen.com>
7059 * stmt.c (emit_case_nodes): Handle the case where the index is a
7060 CONST_INT, where the comparison mode is specified by the index type.
7062 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7064 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7067 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7069 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7070 (*branch_fp_inverted): Likewise.
7072 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7075 * omp-low.c (expand_omp_for_generic): Mark istart0
7076 and iend0 as addressable.
7078 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7080 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7082 2006-03-13 Jeff Law <law@redhat.com>
7084 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7085 virtual operands are interesting.
7086 (vrp_visit_stmt): Corresponding changes.
7088 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7090 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7092 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7093 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7094 * config/bfin/crti.S: Use it instead of __PIC__.
7095 * config/bfin/crtn.S: Likewise.
7097 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7098 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7100 Lose 'G' modifier for call operand.
7101 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7102 recognize 'G' modifier.
7104 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7107 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7108 * stmt.c (expand_case): Likewise.
7110 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7112 PR rtl-optimization/26254
7113 * loop-invariant.c (seq_insns_valid_p): New function.
7114 (move_invariant_reg): Only emit new code if it is valid.
7116 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7118 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7120 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7121 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7122 (commit_one_edge_insertion): Do not look for loop notes.
7124 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7126 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7127 flag_test_coverage out of loop.
7129 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7131 * final.c (shorten_branches): Remove outdated comment, and turn
7132 the if branch that guards it to continue.
7134 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7136 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7137 * cfgloop.h (struct loop): Remove unused fields.
7139 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7141 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7142 (-dL, -fdump-rtl-loop2): Update the dump file names
7144 * doc/invoke.texi: Update dump file names.
7146 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7148 * predict.c (estimate_probability): Remove.
7149 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7150 * basic-block.h (estimate_probability): Remove prototype.
7151 * passes.c (finish_optimization_passes): Dump branch prediction or
7152 profiling heuristics to the .profile tree dump.
7153 (init_optimization_passes): Unqueue pass_branch_prob.
7155 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7157 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7159 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7160 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7162 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7164 * function.h (frame_offset_overflow): Declare.
7165 * function.c (frame_offset_overflow): New function.
7166 (assign_stack_local_1): Call it to detect that the offset overflows.
7167 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7169 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7171 * config/sh/sh.c: Include alloc-pool.h.
7172 (label_ref_list_pool): New alloc pool.
7173 (label_ref_list_t): New type for lists of labels.
7174 (struct pool_node): Make wend a label_ref_list_t.
7175 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7177 (dump_table): Likewise.
7178 (sh_reorg): Set up the alloc pool before using add_constant and
7179 dump_table, and destroy it when finishing.
7181 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7183 * config/mips/mips.c: Remove redundant comment.
7185 2006-03-10 Jason Merrill <jason@redhat.com>
7188 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7189 the target was declared 'register'.
7191 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7193 * genpreds.c (write_insn_constraint_len): Change definition of
7194 insn_constraint_len to return size_t to match the declaration.
7196 2006-03-10 DJ Delorie <dj@redhat.com>
7198 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7200 (m32c_expand_insv): Fix test for an AND mask.
7202 2006-03-10 Richard Guenther <rguenther@suse.de>
7205 * builtins.c (get_pointer_alignment): Handle component
7206 references for field alignment.
7208 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7210 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7211 when building with libgloss.
7212 (sh*elf): Implement --without-fp option.
7213 (sh64-superh-linux*): Don't multilib.
7215 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7217 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7219 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7221 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7222 Set it when one of the replacement functions returned true.
7223 Return TODO_cleanup_cfg if cfgchanged is true.
7224 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7226 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7228 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7229 instead of gen_lowpart.
7231 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7233 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7235 (mips_output_order_conditional_branch): Declare.
7236 * config/mips/mips.h (MIPS_BRANCH): New macro.
7237 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7238 for the comparison. Use gen_condjump.
7239 (mips_output_conditional_branch): Rework interface to take the
7240 asm templates for a direct branch and the inverse of a direct branch.
7241 (mips_output_order_conditional_branch): New function.
7242 (mips_builtin_branch_and_move): New function.
7243 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7244 branch condition. Use gen_single_cc as the condition for
7245 __builtin_mips_upper_* or __builtin_mips_lower_*.
7246 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7247 Use VOIDmode for the branch condition.
7248 * config/mips/predicates.md (order_operator): New predicate.
7249 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7250 (branch_fp): Rename to...
7251 (*branch_fp): ...this. Remove mode from comparison operator.
7252 Use new mips_output_conditional_branch interface.
7253 (branch_fp_inverted): Rename to...
7254 (*branch_fp_inverted): ...this and update as for *branch_fp.
7255 (*branch_zero<mode>): Rename to...
7256 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7257 Use mips_output_order_conditional_branch. Only accept ordered
7259 (*branch_zero<mode>_inverted): Rename to...
7260 (*branch_order<mode>_inverted): ...this and update as for
7261 *branch_order<mode>.
7262 (*branch_equality<mode>): Accept zero as the second operand to
7263 the equality operator. Use the new mips_output_conditional_branch
7265 (*branch_equality<mode>_inverted): Likewise.
7266 (condjump): New expander.
7267 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7269 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7270 (bc1any2t, bc1any2f): Likewise.
7271 (single_cc): New expander.
7272 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7274 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7276 * doc/md.texi: Update documentation of MIPS constraints.
7277 * config/mips/constraints.md: New file.
7278 * config/mips/mips.md: Include it.
7279 * config/mips/mips.c (mips_char_to_class): Delete.
7280 (override_options): Don't initialize mips_char_to_class.
7281 * config/mips/mips.h (mips_char_to_class): Delete.
7282 (REG_CLASS_FROM_LETTER): Delete.
7283 (CONST_OK_FOR_LETTER_P): Delete.
7284 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7285 (EXTRA_CONSTRAINT_Y): Delete.
7286 (EXTRA_CONSTRAINT_STR): Delete.
7287 (CONSTRAINT_LEN): Delete.
7288 (EXTRA_MEMORY_CONSTRAINT): Delete.
7290 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7292 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7293 original fn's eh regions.
7295 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7297 * fold-const.c (build_range_check): Make sure to use a valid type to
7298 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7301 (range_predecessor): New static function.
7302 (range_successor): Likewise.
7303 (merge_ranges): Use them to compute predecessors and successors of
7306 2006-03-09 Roger Sayle <roger@eyesopen.com>
7309 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7310 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7312 2006-03-08 DJ Delorie <dj@redhat.com>
7314 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7315 (addpsi3): Expand to include memory operands. Remove
7316 reload-specific splits.
7317 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7318 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7319 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7320 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7321 (shift1_qi, shift1_hi, insv): New.
7322 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7323 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7324 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7326 * config/m32c/m32c-protos.h: Update as needed.
7327 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7328 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7329 Fail for unrecognized R* constraints.
7330 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7331 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7332 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7334 (m32c_init_libfuncs): New.
7335 (m32c_legitimate_address_p): Add debug wrapper.
7336 (m32c_rtx_costs): New.
7337 (m32c_address_cost): New.
7338 (conversions): Add 'B' prefix.
7339 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7340 operands, or word regnames for QI operands. 'B' prints bit
7342 (m32c_expand_setmemhi): New.
7343 (m32c_expand_movmemhi): New.
7344 (m32c_expand_movstr): New.
7345 (m32c_expand_cmpstr): New.
7346 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7347 (m32c_expand_neg_mulpsi3): Handle non-ints.
7348 (m32c_cmp_flg_0): New.
7349 (m32c_expand_movcc): New.
7350 (m32c_expand_insv): New.
7351 (m32c_scc_pattern): New.
7352 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7353 a0/a1 out of SIregs.
7354 (STORE_FLAG_VALUE): New.
7355 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7358 * config/m32c/mov.md: Make constraints more liberal.
7359 (zero_extendqihi2): Optimize r0/r1 case.
7360 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7361 * config/m32c/predicates.md (m32c_any_operand): New.
7362 (m32c_nonimmediate_operand): New.
7363 (m32c_hl_operand): New.
7364 (m32c_r3_operand): New.
7367 (memsym_operand): New.
7368 (memimmed_operand): New.
7369 (a_qi_operand): New.
7370 (m32c_eqne_operator): New.
7371 (m32c_1bit8_operand): New.
7372 (m32c_1bit16_operand): New.
7373 (m32c_1mask8_operand): New.
7374 (m32c_1mask16_operand): New.
7375 * config/m32c/blkmov.md: New file.
7376 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7378 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7380 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7381 unsigned to fix signed/unsigned comparison issue in
7382 DWARF2_FRAME_REG_OUT.
7383 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7384 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7386 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7387 of ptr into the ENABLE_CHECKING section.
7389 2006-03-08 Jeff Law <law@redhat.com>
7391 * tree-vrp.c (infer_value_range): Only count pointer uses
7392 and dereferences if -fdelete-null-pointer-checks is enabled.
7394 * tree-vrp.c (find_assert_locations): Infer value ranges for
7395 single use pointers, but do not create ASSERT_EXPRs for them.
7396 When a non-null range is inferred for a pointer, backwards
7397 propagate that range to other equivalent pointers through the
7400 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7403 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7404 language hook targets.
7405 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7406 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7407 if language hook targets were missing.
7409 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7411 * tree-ssa-opfinalize.h: Removed.
7412 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7414 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7415 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7416 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7417 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7418 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7419 finalize_ssa_v_must_def_ops): New.
7421 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7423 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7426 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7428 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7430 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7431 addresses with offsets; reorganize.
7433 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7434 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7435 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7437 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7440 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7442 2006-03-08 Ben Elliston <bje@au.ibm.com>
7444 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7446 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7449 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7452 2006-03-07 Richard Guenther <rguenther@suse.de>
7454 PR tree-optimization/26587
7455 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7457 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7459 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7461 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7463 * hooks.c (hook_bool_mode_rtx_true): New function.
7464 * hooks.h (hook_bool_mode_rtx_true): Declare.
7465 * toplev.c (compile_file): Call output_shared_constant_pool.
7466 * varasm.c (shared_constant_pool): New variable.
7467 (assemble_start_function, assemble_end_function): Remove arguments
7468 from call to output_constant_pool.
7469 (create_constant_pool): New function, split out from...
7470 (init_varasm_status): ...here.
7471 (force_const_mem): Choose between the shared and per-function constant
7472 pools. Set current_function_uses_const_pool when reusing old entries
7473 as well as when creating new ones.
7474 (mark_constant): Ignore data argument.
7475 (mark_constants): Remove pool argument.
7476 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7477 to decide whether the function uses a constant pool.
7478 (output_constant_pool_contents): New function, split out from...
7479 (output_constant_pool): ...here.
7480 (output_shared_constant_pool): New function.
7481 (init_varasm_once): Initialize shared_constant_pool.
7482 * output.h (output_constant_pool): Delete.
7483 (output_shared_constant_pool): Declare.
7484 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7485 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7487 2006-03-06 Nick Clifton <nickc@redhat.com>
7489 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7490 flag_strength_reduce.
7492 2006-03-06 Ben Elliston <bje@au.ibm.com>
7494 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7495 x86_64-*-linux* configurations.
7497 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7498 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7500 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7502 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7504 * basic-block.h: Remove the extern for
7505 rediscover_loops_after_threading.
7507 * cfgloop.c (cancel_loop): Make it static.
7508 * cfgloop.h: Remove the prototype for cancel_loop.
7510 * flow.c (recompute_reg_usage): Make it static.
7511 * rtl.h: Remove the prototype for recompute_reg_usage.
7513 * function.c (use_return_register): Make it static.
7514 * function.h: Remove the prototype.
7516 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7518 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7520 * recog.h: Remove the prototype for
7521 validate_change_maybe_volatile.
7523 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7525 * rtlanal.c (replace_reg): Remove.
7526 * rtl.h: Remove the prototype for replace_reg.
7528 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7530 * regclass.c (reg_scan_update): Remove.
7531 (reg_scan_mark_refs): Remove the last argument.
7532 * rtl.h: Remove the prototype for reg_scan_update.
7534 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7536 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7537 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7538 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7539 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7540 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7541 loop-invariant.c, omp-low.c, opts.c, passes.c,
7542 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7543 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7544 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7545 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7546 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7547 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7549 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7551 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7552 * dwarf2out.h: Remove the prototype for
7553 dwarf2out_add_library_unit_info.
7555 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7557 * tree.c (add_var_to_bind_expr): Remove.
7558 * tree.h: Remove the prototype for add_var_to_bind_expr.
7560 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7562 * regclass.c (n_non_fixed_regs): Remove.
7563 (init_reg_sets_1, globalize_reg): Remove all uses of
7565 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7567 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7569 * rtlanal.c (insns_safe_to_move_p): Remove.
7570 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7572 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7574 * expmed.c (expand_mult_add): Remove.
7575 * expr.h: Remove the prototype for expand_mult_add.
7577 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7579 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7580 and REG_SAVED_VAL_EXP constants.
7581 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7582 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7583 Handle regs stored by value.
7584 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7585 (execute_cfa_program): Handle DW_CFA_val_offset,
7586 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7587 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7588 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7589 (uw_install_context_1): Handle target regs stored by value.
7591 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7593 * tree-sra.c (tree_sra): Return todoflags;
7594 (generate_one_element): Set TODO_update_smt_usage if needed.
7595 (pass_sra): Remove TODO_update_smt_usage.
7596 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7598 (tree_ssa_forward_propagate_single_use_vars): Return
7599 TODO_update_smt_usage if we need to update SMT usage.
7600 (pass_forwprop): Remove TODO_update_smt_usage.
7602 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7604 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7605 (correct_use_link): Remove reference to get_stmt_operands.
7606 (update_stmt_operands): Likewise.
7607 (get_modify_expr_operands): New function factored out of
7608 parse_ssa_operands and get_expr_operands.
7609 Try to create V_MUST_DEFs for LHS by default.
7610 (get_expr_operands) <case MODIFY_EXPR>: Call
7611 get_modify_expr_operands.
7612 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7613 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7614 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7615 get_modify_expr_operands.
7617 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7619 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7620 * tree-flow.h: Remove the prototype for
7621 referenced_var_lookup_if_exists.
7623 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7625 PR rtl-optimization/26345
7627 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7629 2006-03-03 Roger Sayle <roger@eyesopen.com>
7631 PR tree-optimization/26524
7632 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7633 fold_convert to create a constant of the appropriate type.
7635 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7637 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7638 SYMBOL_REF_IN_BLOCK_P.
7639 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7640 of SYMBOL_FLAG_IN_BLOCK.
7641 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7642 instead of SYMBOL_REF_IN_BLOCK_P.
7643 * explow.c (use_anchored_address): Likewise.
7644 * rtl.c (rtx_size): Likewise.
7645 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7646 instead of SYMBOL_FLAG_IN_BLOCK.
7647 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7648 SYMBOL_REF_IN_BLOCK_P.
7649 (assemble_variable): Likewise.
7650 (output_constant_def_contents): Likewise.
7651 (output_constant_pool): Likewise.
7652 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7653 instead of SYMBOL_FLAG_IN_BLOCK.
7654 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7655 SYMBOL_REF_IN_BLOCK_P.
7656 (SYMBOL_REF_BLOCK): Likewise.
7657 (SYMBOL_REF_OFFSET): Likewise.
7658 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7659 SYMBOL_REF_IN_BLOCK_P.
7660 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7661 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7662 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7663 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7665 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7667 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7669 2006-03-02 Roger Sayle <roger@eyesopen.com>
7671 * simplify-rtx.c (simplify_unary_operation): When simplifying
7672 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7673 that we perform the right shift in the appropriate mode, and
7674 then extend or truncate the result to requested mode.
7676 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7678 * gengtype.c (main): Handle double_int type.
7679 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7680 * double-int.c: New file.
7681 * double-int.h: New file.
7682 * system.h: Include doubleint.h.
7683 * Makefile.in (SYSTEM_H): Include double-int.h.
7684 (double-int.o): Add.
7686 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7689 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7692 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7694 * tree-vrp.c (remove_range_assertions): Do not update statements
7697 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7699 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7701 * gcse.c (rest_of_handle_gcse): Ditto.
7702 * except.c (gate_handle_eh): Ditto.
7703 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7704 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7706 2006-03-02 Eric Christopher <echristo@apple.com>
7708 * config/i386/i386.c (machopic_output_stub): Add indirection to
7711 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7715 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7717 Sun Niagara specific optimizations.
7718 * config.gcc: Recognize niagara as target.
7719 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7720 (TARGET_CPU_niagara): Define.
7721 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7722 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7723 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7724 (ASM_CPU_SPEC): Likewise.
7725 (PROCESSOR_NIAGARA): New enum entry.
7726 (REGISTER_MOVE_COST): Handle Niagara.
7727 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7728 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7729 (sparc_override_options): Recognize "niagara", set appropriate
7730 default MASK_* values for it, and align functions to 32-bytes
7731 by default just like ULTRASPARC/ULTRASPARC3.
7732 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7733 (sparc64_initialize_trampoline): Likewise.
7734 (sparc_use_sched_lookahead): Use zero for niagara.
7735 (sparc_issue_rate): Use one for niagara.
7736 * config/sparc/niagara.md: New file.
7737 * config/sparc/sparc.md: Include it.
7738 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7739 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7740 when default cpu is niagara.
7741 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7742 (ASM_CPU_SPEC): Likewise.
7743 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7744 when default cpu is niagara.
7745 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7746 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7747 just like v9/ultrasparc/ultrasparc3.
7748 * doc/invoke.texi: Add documentation for "niagara" and improve
7749 existing documentation for ultrasparc variants.
7751 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7753 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7755 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7757 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7758 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7759 and say that only one is needed.
7760 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7761 * target.h (have_switchable_bss_sections): New hook.
7762 * explow.c (use_anchored_address): Check that the symbol is in a block.
7763 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7764 (bss_noswitch_section): New variables.
7765 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7766 (get_noswitch_section): New function.
7767 (get_block_for_section): Allow SECT to be null.
7768 (unlikely_text_section_p): Use SECTION_STYLE.
7769 (bss_initializer_p): New function.
7770 (get_variable_section): Move earlier in file. Take a new argument,
7771 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7772 Return one of the new *_sections in such cases.
7773 (get_block_for_decl): New function, extracting some logic from
7774 use_blocks_for_decl_p.
7775 (change_symbol_section): Remove in favor of...
7776 (change_symbol_block): ...this new function.
7777 (use_blocks_for_decl_p): Remove checks now performed by
7779 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7780 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7781 (emit_local, emit_bss, emit_common): ...these new functions.
7782 Return true if the alignment was honored.
7783 (emit_tls_common): New function.
7784 (asm_emit_uninitialised): Delete.
7785 (assemble_variable_noswitch): New function, split out from...
7786 (assemble_variable): ...here. Don't make decisions about common
7787 variables here. Globalize all public decls that go into non-common
7788 sections. Check whether SYMBOL_REF_BLOCK is null.
7789 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7790 (output_constant_pool): Likewise.
7791 (init_varasm_once): Initialize the new section variables.
7792 (have_global_bss_p): New function.
7793 (categorize_decl_for_section): Use bss_initializer_p.
7794 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7795 (place_block_symbol): Assert that the symbol must be in a block.
7796 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7797 (TARGET_INITIALIZER): Include it.
7798 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7799 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7800 (SECTION_MACH_DEP): Bump by two.
7801 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7802 (unnamed_section): Mention SECTION_UNNAMED in comment.
7803 (named_section): Likewise SECTION_NAMED.
7804 (noswitch_section_callback): New type.
7805 (noswitch_section): New structure.
7806 (section): Add a noswitch_section alternative.
7807 (SECTION_STYLE): New macro.
7808 (tls_comm_section, comm_section, lcomm_section): Declare.
7809 (bss_noswitch_section, have_global_bss_p): Declare.
7810 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7811 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7813 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7814 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7817 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7819 * tree-vrp.c (execute_vrp): Return value.
7820 * regrename.c (rest_of_handle_regrename): Ditto.
7821 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7822 * tree-complex.c (tree_lower_complex): Ditto.
7823 (tree_lower_complex_O0): Ditto.
7824 * tracer.c (rest_of_handle_tracer): Ditto.
7825 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7826 * postreload.c (rest_of_handle_postreload): Ditto.
7827 * tree-tailcall.c (execute_tail_recursion): Ditto.
7828 (execute_tail_calls): Ditto.
7829 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7830 * tree.h (init_function_for_compilation): Ditto.
7831 * ipa-cp.c (ipcp_driver): Ditto.
7832 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7833 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7834 * final.c (compute_alignments): Ditto.
7835 (rest_of_handle_final): Ditto.
7836 (rest_of_handle_shorten_branches): Ditto.
7837 (rest_of_clean_state): Ditto.
7838 * omp-low.c (execute_expand_omp): Ditto.
7839 (execute_lower_omp): Ditto.
7840 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7841 * ipa-reference.c (static_execute): Ditto.
7842 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7843 * reorg.c (rest_of_handle_delay_slots): Ditto.
7844 (rest_of_handle_machine_reorg): Ditto.
7845 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7846 * flow.c (recompute_reg_usage): Ditto.
7847 (rest_of_handle_remove_death_notes): Ditto.
7848 (rest_of_handle_life): Ditto.
7849 (rest_of_handle_flow2): Ditto.
7850 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7851 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7852 (do_ssa_store_ccp): Ditto.
7853 (execute_fold_all_builtins): Ditto.
7854 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7855 * modulo-sched.c (rest_of_handle_sms): Ditto.
7856 * ipa-pure-const.c (static_execute): Ditto.
7857 * cse.c (rest_of_handle_cse): Ditto.
7858 (rest_of_handle_cse2): Ditto.
7859 * web.c (rest_of_handle_web): Ditto.
7860 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7861 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7862 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7863 * tree-nrv.c (tree_nrv): Ditto.
7864 (execute_return_slot_opt): Ditto.
7865 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7866 (create_structure_vars): Ditto.
7867 * loop-init.c (rtl_loop_init): Ditto.
7868 (rtl_loop_done): Ditto.
7869 (rtl_move_loop_invariants): Ditto.
7870 (rtl_unswitch): Ditto.
7871 (rtl_unroll_and_peel_loops): Ditto.
7872 (rtl_doloop): Ditto.
7873 * gimple-low.c (lower_function_body): Ditto.
7874 (mark_used_blocks): Ditto.
7875 * tree-ssa-sink.c (execute_sink_code): Ditto.
7876 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7877 (cgraph_early_inlining): Ditto.
7878 * global.c (rest_of_handle_global_alloc): Ditto.
7879 * jump.c (cleanup_barriers): Ditto.
7880 (purge_line_number_notes): Ditto.
7881 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7882 (rest_of_handle_if_after_reload): Ditto.
7883 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7884 (tree_ssa_loop_im): Ditto.
7885 (tree_ssa_loop_unswitch): Ditto.
7886 (tree_vectorize): Ditto.
7887 (tree_linear_transform): Ditto.
7888 (tree_ssa_loop_ivcanon): Ditto.
7889 (tree_ssa_empty_loop): Ditto.
7890 (tree_ssa_loop_bounds): Ditto.
7891 (tree_complete_unroll): Ditto.
7892 (tree_ssa_loop_prefetch): Ditto.
7893 (tree_ssa_loop_ivopts): Ditto.
7894 (tree_ssa_loop_done): Ditto.
7895 * predict.c (tree_estimate_probability): Ditto.
7896 * recog.c (split_all_insns_noflow): Ditto.
7897 (rest_of_handle_peephole2): Ditto.
7898 (rest_of_handle_split_all_insns): Ditto.
7899 * tree-eh.c (lower_eh_constructs): Ditto.
7900 * regmove.c (rest_of_handle_regmove): Ditto.
7901 (rest_of_handle_stack_adjustments): Ditto.
7902 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7903 * function.c (instantiate_virtual_regs): Ditto.
7904 (init_function_for_compilation): Ditto.
7905 (rest_of_handle_check_leaf_regs): Ditto.
7906 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7907 (rest_of_handle_gcse): Ditto.
7908 * ipa-type-escape.c (type_escape_execute): Ditto.
7909 * alias.c (rest_of_handle_cfg): Ditto.
7910 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7911 * profile.c (rest_of_handle_branch_prob): Ditto.
7912 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7913 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7914 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7915 * tree-dfa.c (find_referenced_vars): Ditto.
7916 * except.c (set_nothrow_function_flags): Ditto.
7917 (convert_to_eh_region_ranges): Ditto.
7918 (rest_of_handle_eh): Ditto.
7919 * emit-rtl.c (unshare_all_rtl): Ditto.
7920 (remove_unnecessary_notes): Ditto.
7921 * except.h (set_nothrow_function_flags): Ditto.
7922 (convert_to_eh_region_ranges): Ditto.
7923 * cfgexpand.c (tree_expand_cfg): Ditto.
7924 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7925 * tree-ssa-pre.c (do_pre): Ditto.
7926 (execute_fre): Ditto.
7927 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7928 (rest_of_handle_jump2): Ditto.
7929 * tree-sra.c (tree_sra): Ditto.
7930 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7931 (execute_mudflap_function_decls): Ditto.
7932 * tree-ssa-copy.c (do_copy_prop): Ditto.
7933 (do_store_copy_prop): Ditto.
7934 * ipa-prop.h (ipcp_driver): Ditto.
7935 * cfglayout.c (insn_locators_initialize): Ditto.
7936 * tree-ssa-forwprop.c
7937 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7938 * cfglayout.h (insn_locators_initialize): Ditto.
7939 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7940 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7941 (execute_late_warn_uninitialized): Ditto.
7942 * rtl.h (cleanup_barriers): Ditto.
7943 (split_all_insns_noflow): Ditto.
7944 (purge_line_number_notes): Ditto.
7945 (unshare_all_rtl): Ditto.
7946 (remove_unnecessary_notes): Ditto.
7947 (recompute_reg_usage): Ditto.
7948 (variable_tracking_main): Ditto.
7949 * integrate.c (emit_initial_value_sets): Ditto.
7950 * integrate.h (emit_initial_value_sets): Ditto.
7951 * tree-optimize.c (execute_free_datastructures): Ditto
7952 (execute_free_cfg_annotations): Ditto.
7953 (execute_fixup_cfg): Ditto.
7954 (execute_cleanup_cfg_pre_ipa): Ditto.
7955 (execute_cleanup_cfg_post_optimizing): Ditto.
7956 (execute_init_datastructures): Ditto.
7957 * tree-object-size.c (compute_object_sizes): Ditto.
7958 * combine.c (rest_of_handle_combine): Ditto.
7959 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7960 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7961 (rest_of_handle_reorder_blocks): Ditto.
7962 (rest_of_handle_partition_blocks): Ditto.
7963 * var-tracking.c (variable_tracking_main): Ditto.
7964 * tree-profile.c (tree_profiling): Ditto.
7965 * tree-vect-generic.c (expand_vector_operations): Ditto.
7966 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7967 * sched-rgn.c (rest_of_handle_sched): Ditto.
7968 (rest_of_handle_sched2): Ditto.
7969 * basic-block.h (free_bb_insn): Ditto.
7970 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7971 * tree-cfg.c (execute_build_cfg): Ditto.
7972 (remove_useless_stmts): Ditto.
7973 (split_critical_edges): Ditto.
7974 (execute_warn_function_return): Ditto.
7975 (execute_warn_function_noreturn): Ditto.
7976 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7977 * cfgrtl.c (free_bb_for_insn): Ditto.
7978 * passes.c (execute_one_pass): Run additional
7979 todos returned by execute function.
7980 * tree-pass.h (struct tree_opt_pass): Make execute
7983 2006-03-02 Richard Guenther <rguenther@suse.de>
7985 * tree-ssa-alias.c (find_used_portions): Consider taking
7986 the address as making the variable not write-only.
7988 2006-03-02 Nick Clifton <nickc@redhat.com>
7990 * config.gcc (default_use_cxa_atexit): Extend the description of
7991 this configure variable. Set its default value to "yes" for
7992 Linux, NetBSD and ELF targets on the assumption that they will
7993 use C libraries with the __cxa_atexit function.
7995 2006-03-02 Ben Elliston <bje@au.ibm.com>
7997 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7998 parameter as unused to suppress a build warning.
8000 2006-03-02 Ben Elliston <bje@au.ibm.com>
8002 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8005 2006-03-01 Roger Sayle <roger@eyesopen.com>
8008 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8009 declared name, the weak reference name, and the typeof name.
8010 (__gthrw): Avoid expanding the declared name suffix.
8011 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8013 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8015 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8017 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8018 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8019 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8020 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8021 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8022 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8023 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8024 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8025 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8026 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8027 (DW_END_default, DW_END_big, DW_END_little): New.
8028 (DW_END_lo_user, DW_END_hi_user): Define.
8029 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8030 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8031 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8034 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8036 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8038 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8040 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8042 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8044 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8045 to 'symbol_mem_tag'.
8047 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8050 2006-03-01 Roger Sayle <roger@eyesopen.com>
8052 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8054 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8057 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8058 MACHO_DYNAMIC_NO_PIC_P.
8059 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8061 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8064 * config/darwin-protos.h (darwin_asm_output_anchor):
8066 * config/darwin-sections.def (cstring_section):
8067 Add SECTION_MERGE to the flags.
8068 (literal4_section): Likewise.
8069 (literal8_section): Likewise.
8070 (objc_selector_refs_section): Likewise.
8071 (objc_cls_refs_section): Likewise.
8072 * config/darwin.c (darwin_asm_output_anchor): New
8074 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8076 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8078 Fix PR tree-optimization/26443
8079 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8080 to todo and PROP_tmt_usage to properties_destroyed.
8081 * tree-ssa-ccp.c (pass_ccp): Ditto.
8082 (pass_store_ccp): Ditto.
8083 * tree-ssa-dom.c (pass_dominator): Ditto.
8085 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8087 * tree-ssa-operands.c: Cleanup whitespace.
8088 (get_asm_expr_operands): Move before first invocation.
8089 (get_indirect_ref_operands): Likewise.
8090 (get_tmr_operands): Likewise.
8091 (get_call_expr_operands): Likewise.
8092 (append_def): Likewise.
8093 (append_use): Likewise.
8094 (append_v_may_def): Likewise.
8095 (append_v_must_def): Likewise.
8096 (add_call_clobber_ops): Likewise.
8097 (add_call_read_ops): Likewise.
8098 (add_stmt_operand): Likewise.
8099 (add_virtual_operand): Likewise.
8100 (build_ssa_operands): Likewise.
8102 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8107 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8108 with a call expr to ...
8109 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8111 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8113 * tree-vrp.c (extract_range_from_assert): Remove special
8114 handling for types with super-types.
8116 2006-03-01 Ben Elliston <bje@au.ibm.com>
8118 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8119 and powerpc64-*-linux* configurations.
8120 * config/t-dfprules: New file.
8122 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8123 Compile dfp-bit.c from the source directory using -DWIDTH and
8124 $DFP_CFLAGS to control the compilation of that file, rather than
8125 generating width-specific versions in the build directory.
8126 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8127 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8129 2006-02-28 Zack Weinberg <zackw@panix.com>
8131 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8134 2006-02-28 Eric Christopher <echristo@apple.com>
8136 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8137 Set up IN_LIBGCC definition of TARGET_64BIT.
8138 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8140 2006-02-28 Roger Sayle <roger@eyesopen.com>
8143 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8144 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8145 cases via the construction of "expr != 0".
8147 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8149 * alias.c (alias_invariant, alias_invariant_size): Remove.
8150 (record_base_value): Remove.
8151 (memrefs_conflict_p): Don't look at alias_invariant.
8152 (end_alias_analysis): Don't free it.
8153 * alias.h (record_base_value): Remove prototype.
8155 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8156 Adam Nemet <anemet@caviumnetworks.com>
8158 * rtl.h (truncated_to_mode): Declare it.
8159 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8160 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8161 (RTL_HOOKS_INITIALIZER): Include it.
8162 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8163 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8164 reg_truncated_to_mode.
8165 * rtlanal.c (truncated_to_mode): Define it.
8166 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8168 2006-02-28 Jeff Law <law@redhat.com>
8170 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8171 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8172 the range allowed by TYPE_PRECISION.
8174 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8176 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8178 PR tree-optimization/26419
8179 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8182 2006-02-27 Zack Weinberg <zackw@panix.com>
8184 * doc/md.texi: Fix typo in previous change.
8186 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8190 2006-02-27 Zack Weinberg <zackw@panix.com>
8192 * rtl.def (define_constraint, define_register_constraint)
8193 (define_memory_constraint, define_address_constraint): New MD forms.
8194 * gensupport.c (process_rtx): Put define_constraint etc on the
8196 * genpreds.c (process_define_predicate): Adjust comment. Validate
8197 the name, and call validate_exp to validate the expression.
8198 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8199 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8200 all callers changed.
8201 (validate_exp, needs_variable, struct constraint_data)
8202 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8203 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8204 (const_dbl_constraints, constraint_max_namelen)
8205 (have_register_constraints, have_memory_constraints)
8206 (have_address_constraints, have_address_constraints)
8207 (have_extra_constraints, have_const_int_constraints)
8208 (have_const_dbl_constraints, mangle, add_constraint)
8209 (process_define_constraint, process_define_register_constraint)
8210 (write_enum_constraint_num, write_lookup_constraint)
8211 (write_insn_constraint_len, write_regclass_for_constraint)
8212 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8213 (write_insn_extra_memory_constraint)
8214 (write_insn_extra_address_constraint)
8215 (write_satisfies_constraint_fns): New.
8216 (write_tm_preds_h): If we have new-style constraint definitions,
8217 prototype the functions generated from them, and define the
8218 old constraint interface (still used by generic code) in terms of
8220 (write_insn_preds_c): If we have new-style constraint definitions,
8221 generate all relevant functions from those definitions.
8222 (main): Handle define_constraint etc.
8223 * genoutput.c (struct constraint_data, indep_constraints)
8224 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8225 (mdep_constraint_len): New data structures and functions, defined
8226 #ifdef USE_MD_CONSTRAINTS.
8227 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8228 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8229 use new logic to validate operand constraints against constraint
8231 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8233 * defaults.h: If none of the old-style constraint macros are
8234 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8235 old-style macros; and poison REG_CLASS_FROM_LETTER,
8236 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8238 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8239 * doc/md.texi: Document new constraint-definition mechanism and the
8240 C interface it provides. Remove references to old mechanism
8241 elsewhere in the document.
8242 (Machine Constraints): Use pathnames relative to gcc directory,
8243 i.e. config/ARCH/FILE. Change i386 section to refer to
8244 config/i386/predicates.md; update that section to match docstrings.
8245 * doc/tm.texi: Move all documentation of the old constraint-
8246 definition macros to their own section, clearly mark as obsolete.
8248 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8249 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8251 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8252 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8253 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8255 (splits and peepholes): Use satisfies_constraint_*.
8256 * config/i386/i386.c (memory_address_length)
8257 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8259 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8261 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8262 scalar operation to be put back into the loop.
8264 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8267 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8268 (extract_cie_info): Handle S flag in augmentation string.
8269 (execute_cfa_program): If context->signal_frame, execute also
8270 fs->pc == context->ra instructions.
8271 (uw_frame_state_for): If context->signal_frame, don't subtract one
8272 from context->ra to find FDE.
8273 (uw_update_context_1): Set context->signal_frame to
8275 (_Unwind_GetIPInfo): New function.
8276 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8277 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8279 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8280 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8281 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8282 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8283 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8284 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8285 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8286 x86_64_fallback_frame_state): Set fs->signal_frame.
8287 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8288 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8289 (frob_update_context): Likewise. Workaround missing S flag in
8290 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8291 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8292 Remove the psw_addr + 1 hack.
8294 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8296 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8297 with aggregates here.
8298 (find_func_aliases): Remove code for &<aggregate> from here.
8300 2006-02-26 Roger Sayle <roger@eyesopen.com>
8302 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8303 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8304 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8307 2006-02-26 Roger Sayle <roger@eyesopen.com>
8310 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8312 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8314 * opts.c (decode_options): Do not handle flag_strength_reduce.
8315 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8316 and OPT_fstrength_reduce.
8317 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8318 flag_prefetch_loop_arrays for being nonzero.
8319 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8321 (fprefetch-loop-arrays-rtl): Removed.
8322 (flag_prefetch_loop_arrays): Do not specify the value.
8324 * doc/passes.texi: Update documentation of loop optimizer
8326 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8327 -frerun-loop-opt): Remove.
8329 2006-02-26 Richard Guenther <rguenther@suse.de>
8331 PR tree-optimization/26421
8332 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8333 in function calls that are ADDR_EXPRs as using the whole structure.
8335 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8337 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8338 * tree-pass.h (pass_loop_optimize): Remove.
8339 * passes.c (pass_loop_optimize): Never run it.
8340 * toplev.c (backend_init): Don't call init_loop.
8341 * opts.c (flag_loop_optimize_set): Remove.
8342 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8343 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8344 the old RTL loop optimizer when profiling enabled.
8345 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8346 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8347 pre-headers for the sake of the old RTL loop optimizer.
8348 * Makefile.in: Remove all references to loop.o.
8350 * doc/invoke.texi: Remove all references to -floop-optimize
8351 and -frerun-loop-opt.
8353 2006-02-26 Zack Weinberg <zackw@panix.com>
8355 * doc/md.texi (Machine Constraints): Refer to all files with paths
8356 relative to gcc directory (i.e. config/CPU/file). Add missing
8357 @table @code ... @end table to M32C subsection.
8359 2006-02-26 Roger Sayle <roger@eyesopen.com>
8361 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8363 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8365 2006-02-26 Roger Sayle <roger@eyesopen.com>
8366 James A. Morrison <phython@gcc.gnu.org>
8369 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8370 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8371 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8372 signedness of the shift operation.
8374 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8376 PR tree-optimization/26359
8377 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8379 2006-02-25 Roger Sayle <roger@eyesopen.com>
8381 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8382 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8383 as X == 0, and some symmetry related transformations.
8384 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8386 2006-02-25 Roger Sayle <roger@eyesopen.com>
8389 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8390 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8391 symmetry related transformations. Fold (X^C1) == C2 as
8394 2006-02-25 Juergen Weigert <jw@suse.de>
8395 Richard Guenther <rguenther@suse.de>
8397 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8399 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8401 * combine.c (gen_lowpart_or_truncate): Call
8402 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8404 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8406 * doc/invoke.texi: Move -fopenmp description to "Options for
8408 Remove reference to -lgomp.
8410 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8412 * doc/install.texi: Require GNU tar version 1.14.
8414 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8416 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8417 * doc/invoke.texi (C++ Dialect Options): Document
8418 -fno-use-cxa-get-exception-ptr.
8419 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8420 * configure: Regenerate.
8421 * c.opt (fuse-cxa-get-exception-ptr): New.
8422 * c-opts.c (c_common_handle_option): Handle
8423 OPT_fuse_cxa_get_exception_ptr.
8424 * c-common.c (flag_use_cxa_atexit): Update documentation.
8425 (flag_use_cxa_get_exception_ptr): New.
8426 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8427 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8429 (C_COMMON_OVERRIDE_OPTIONS): New.
8431 2006-02-24 Roger Sayle <roger@eyesopen.com>
8434 * combine.c (try_combine): Explicitly check whether GET_CODE is
8435 a SET or a CLOBBER, instead on checking that it isn't a USE.
8437 2006-02-24 Roger Sayle <roger@eyesopen.com>
8439 * fold-const.c (fold_comparison): New subroutine of fold_binary
8440 containing transformations common to both the equality and
8441 ordering relational operators, factored out of fold_binary.
8442 (fold_binary): Separate out the equality operators (EQ_EXPR
8443 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8444 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8445 transformations common to both.
8446 (fold_div_compare): Fix latent bugs in the previously unreachable
8447 LT_EXPR and GE_EXPR cases.
8449 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8451 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8452 decl libname for clog to __clog on AIX.
8454 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8456 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8459 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8460 output traceback table for thunks. Localise rs6000_stack_info call.
8462 2006-02-23 Roger Sayle <roger@eyesopen.com>
8463 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8465 * gthr-posix.h (__gthrw): Fix typo in comment.
8467 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8469 * doc/cpp.texi (Character sets): Document that we do support
8470 input files to be in any character set.
8472 2006-02-23 Jeff Law <law@redhat.com>
8474 * tree.h (PHI_ARG_NONZERO): Remove.
8475 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8476 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8477 node to the new node.
8479 PR tree-optimization/26425
8480 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8481 min/max, then assume its varying.
8483 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8485 PR rtl-optimization/26316
8486 * rtlanal.c (enum may_trap_p_flags): New.
8487 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8488 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8489 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8490 (may_trap_after_code_motion_p): New function.
8491 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8492 (find_invariant_insn): Use may_trap_after_code_motion_p.
8493 * rtl.h (may_trap_after_code_motion_p): Declare.
8495 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8497 * emit-rtl.c (immed_double_const): Cleanup.
8499 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8501 Fix PR tree-optimization/26376
8502 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8505 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8508 * gimplify.c (omp_add_variable): Guard variable size decl test with
8509 DECL_SIZE (decl) check.
8511 2006-02-23 Richard Guenther <rguenther@suse.de>
8514 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8515 like aggregate types.
8517 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8519 * configure.ac: Add --with{,out}-long-double-128 configure option.
8520 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8521 * configure: Rebuilt.
8522 * config.in: Rebuilt.
8523 * doc/install.texi (Options specification): Document
8524 --with-long-double-128.
8526 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8527 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8528 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8529 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8531 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8533 * config/s390/s390.c (override_options): Handle
8534 TARGET_DEFAULT_LONG_DOUBLE_128.
8536 * config/alpha/alpha.c (override_options): Handle
8537 TARGET_DEFAULT_LONG_DOUBLE_128.
8539 * config/sparc/sparc.c (sparc_override_options): Handle
8540 TARGET_DEFAULT_LONG_DOUBLE_128.
8542 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8544 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8545 (real-install-headers-tar, real-install-headers-cpio)
8546 (real-install-headers-cp): New targets.
8548 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8550 * tree.h (variable_section): Delete.
8551 * varasm.c (variable_section): Delete.
8553 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8555 * install.texi: Add notes on install.texi2html.
8556 (Building in parallel): Do not use footnotes.
8558 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8561 * doc/install.texi (Configuration): Document --disable-libgomp.
8563 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8565 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8567 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8569 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8570 (vec_extractv2df_0_sse): New.
8572 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8574 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8575 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8576 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8577 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8578 to the result of the expression.
8579 (def_cfa_1): Adjust.
8580 (frame_pointer_cfa_offset): Rename to...
8581 (frame_pointer_fb_offset): ... this. Adjust all uses.
8582 (convert_cfa_to_loc_list): Rename to...
8583 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8584 Pass it on to build_cfa_loc.
8585 (compute_frame_pointer_to_cfa_displacement): Rename to...
8586 (compute_frame_pointer_to_fb_displacement): ... this. New
8587 offset parameter. Use it in computation.
8588 (gen_subprogram_die): Compute cfa_fb_offset with the new
8589 macro, and use it to compute the fb loc list and the
8592 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8594 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8595 replaced with register_operand.
8596 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8597 non-DREG is expensive.
8598 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8599 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8602 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8604 * doc/install.texi2html: Use set -e.
8606 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8608 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8609 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8610 * doc/invoke.texi (-fshared-data): Delete.
8611 * common.opt (fshared-data): Delete.
8612 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8613 (assemble_static_space): Remove #if 0 code.
8614 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8615 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8616 * config/cris/cris.h: Remove FIXME.
8618 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8620 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8623 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8626 * combine.c (simplify_shift_const_1): Disable nested shifts
8627 optimization for vector shifts.
8629 2006-02-20 Roger Sayle <roger@eyesopen.com>
8631 PR tree-optimization/26361
8632 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8633 of unsigned integer types.
8635 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8637 * tree-chrec.c (eq_evolutions_p): New.
8638 * tree-chrec.h (eq_evolutions_p): Declared.
8639 * tree-data-ref.c: Fix formatting.
8640 (datadep_stats, dependence_stats): New.
8642 (print_direction_vector): New.
8643 (dump_data_dependence_relation): Use print_direction_vector.
8644 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8645 (compute_subscript_distance): Static.
8646 (initialize_data_dependence_relation): Static. Get the number
8647 of loops surrounding the references from the callers, and initialize
8648 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8649 base_object_differ_p analyzers.
8650 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8651 compute_overlap_steps_for_affine_1_2,
8652 analyze_subscript_affine_affine): Count the classified dependences.
8653 Print a message when a test failed.
8654 (can_use_analyze_subscript_affine_affine): New.
8655 (analyze_siv_subscript): Compute the data dependences on symbolic
8656 scevs that verify can_use_analyze_subscript_affine_affine.
8657 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8658 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8659 Handle symbolic scevs.
8660 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8662 (subscript_dependence_tester): Moved...
8663 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8664 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8665 DDR_SIZE_VECT instead of getting it in parameter.
8666 (subscript_dependence_tester): ... here. Take as a parameter
8667 loop_nest_depth. Call build_classic_dist_vector and
8668 build_classic_dir_vector.
8669 (compute_affine_dependence): Update subscript_dependence_tester
8670 parameters. Update datadep_stats counters. Call
8671 compute_subscript_distance.
8672 (compute_self_dependence): Save the dist and dir vectors. Call
8673 compute_subscript_distance.
8674 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8675 (compute_all_dependences): Reorder parameters as they were before
8676 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8677 compute_subscript_distance. Update the use of
8678 compute_affine_dependence and initialize_data_dependence_relation.
8679 (find_data_references_in_loop): Handle COMPONENT_REF.
8680 (compute_data_dependences_for_loop): Initialize dependence_stats.
8681 Don't call build_classic_dist_vector and build_classic_dir_vector.
8682 Update the parameters of initialize_data_dependence_relation and
8683 compute_all_dependences. Print the statistics from datadep_stats.
8684 (analyze_all_data_dependences): Static. Not used until the pass for
8685 checking the data dependences is contributed.
8686 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8687 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8688 (initialize_data_dependence_relation, compute_affine_dependence,
8689 analyze_all_data_dependences, compute_subscript_distance): Removed.
8690 (print_direction_vector): New.
8691 * lambda.h (gcd): ... here.
8692 (lambda_vector_gcd): Moved here from gcd_vector.
8693 * lambda-code.c (gcd, gcd_vector): Removed.
8694 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8695 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8697 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8699 * ipa-type-escape.c: Tidy some comments and white space.
8700 * tree-ssa-operands.c: Likewise.
8702 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8705 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8706 (dump_decl_name): Do not walk the decl tree chains.
8707 * tree-pass.h (TDF_CHAIN): Remove.
8709 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8711 * Makefile.in (C): Remove
8713 (.PHONY): Remove C and PROTO
8715 2006-02-20 Roger Sayle <roger@eyesopen.com>
8718 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8719 deprecated CHAR_TYPE tree code.
8721 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8723 * configure.ac (target_list): Add install-info, dvi, html.
8724 * configure: Regenerate.
8726 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8727 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8728 treelang/Make-lang.in: Do not use double-colon rules.
8730 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8732 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8733 (TMT_USED_ALONE): New macro.
8734 * tree-pass.h (PROP_tmt_usage): New property.
8735 (TODO_update_tmt_usage): New todo.
8736 * tree-ssa-alias.c (updating_used_alone): New variable.
8737 (recalculate_used_alone): New function.
8738 (compute_may_aliases): Set updating_used_alone, call
8739 recalculate_used_alone.
8740 * tree-sra.c (pass_sra): Note that this pass destroys
8741 PROP_tmt_usage, and add TODO_update_tmt_usage.
8742 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8743 * tree-flow.h (updating_used_alone): Prototype.
8744 (recalculate_used_alone): Ditto.
8745 * passes.c (execute_todo): Add code to set updating_used_alone,
8746 and call recalculate.
8747 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8748 for clobber if used alone, and add assert to verify used_alone
8751 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8753 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8754 for non tls symbols added.
8755 (legitimize_address): Do nothing for PLUS expressions if one of the
8756 addends is a tls symbol reference.
8758 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8762 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8764 * Makefile.in (BOOTSTRAPPING): New.
8765 (quickstrap): New definition if BOOTSTRAPPING=yes.
8767 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8768 * configure.ac: Substitute all_selected_languages with the languages
8769 that were configured. For all the other variables except
8770 lang_specs_files, include all the languages in the tree.
8771 * configure: Regenerate.
8773 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8774 if there is one. Run the commands to run fixincludes in the same
8777 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8778 * doc/install.texi: Document exact conventions for searching target tools.
8779 Document --with-build-time-tools. Document toplevel bootstrap. Document
8780 something more about building an Ada cross-compiler. Don't list GNU Make
8781 requirements which affect all platforms.
8783 2006-02-19 Roger Sayle <roger@eyesopen.com>
8786 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8787 only equivalent if the have both the same mode and precision.
8789 2006-02-20 Ben Elliston <bje@au.ibm.com>
8791 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8793 2006-02-19 Roger Sayle <roger@eyesopen.com>
8794 Steven Bosscher <stevenb.gcc@gmail.com>
8796 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8797 constant pool references to identify stack mode constants.
8798 * rtlanal.c (constant_pool_constant_p): New predicate to check
8799 whether operand is a floating point constant in the pool.
8800 * rtl.h (constant_pool_constant_p): Prototype here.
8801 * loop.c (scan_loop): Avoid hoisting constants from the constant
8802 pool on STACK_REGS targets.
8803 (load_mems): Likewise.
8804 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8805 loads into x87 registers expensive in terms of register pressure.
8807 2006-02-19 Roger Sayle <roger@eyesopen.com>
8809 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8810 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8812 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8814 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8815 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8817 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8819 * doc/invoke.texi: Document -fipa-pta.
8820 * common.opt: Add ipa-pta option.
8821 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8822 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8823 (do_ds_constraint): Ditto.
8824 (get_constraint_for): Only add to referenced_vars if
8825 referenced_vars exists.
8826 (insert_into_field_list): Rewrite to do this unsorted.
8827 (insert_into_field_list_sorted): Rename old insert_into_field_list
8829 (create_function_info_for): Use insert_into_field_list_sorted.
8830 (create_variable_info_for): Rewrite so it uses unsorted version,
8831 since the field list is sorted.
8832 (intra_create_variable_infos): Only add to referenced_vars if
8833 referenced_vars exists.
8834 (ipa_pta_execute): Init heapvars, and delete when done.
8835 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8837 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8839 * doc/install.texi: Add missing `@samp'.
8841 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8843 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8846 2006-02-18 Mark Wielaard <mark@klomp.org>
8848 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8849 who added new 4.1 features, bug fixes and integration support.
8851 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8854 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8857 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8859 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8860 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8861 (copy_insn_1): Likewise. Don't copy each field individually.
8863 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8865 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8866 * rtl.c (rtx_size): Rename variable to...
8867 (rtx_code_size): ...this.
8868 (rtx_size): New function.
8869 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8870 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8872 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8873 * rtl.h (rtx_code_size): New variable.
8874 (rtx_size): Change from a variable to a function.
8875 (RTX_SIZE): Rename to...
8876 (RTX_CODE_SIZE): ...this.
8879 PR tree-optimization/17106
8880 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8881 (Anchored Addresses): New section.
8882 * doc/invoke.texi (-fsection-anchors): Document.
8883 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8884 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8885 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8886 * hooks.c (hook_bool_mode_rtx_false): New function.
8887 * hooks.h (hook_bool_mode_rtx_false): Declare.
8888 * gengtype.c (create_optional_field): New function.
8889 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8890 SYMBOL_REF_IN_BLOCK_P is true.
8891 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8892 (min_anchor_offset, max_anchor_offset): Likewise.
8893 (use_anchors_for_symbol_p): New hook.
8894 * toplev.c (compile_file): Call output_object_blocks.
8895 (target_supports_section_anchors_p): New function.
8896 (process_options): Check that -fsection-anchors is only used on
8897 targets that support it and when -funit-at-a-time is in effect.
8898 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8899 if the decl doesn't have one.
8900 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8901 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8902 of force_const_mem through use_anchored_address.
8903 (expand_expr_constant): New function.
8904 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8905 calling expand_expr for INDIRECT_REF.
8906 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8907 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8908 * expr.h (use_anchored_address): Declare.
8909 * loop-unroll.c: Don't declare rtx vectors here.
8910 * explow.c: Include output.h.
8911 (validize_mem): Call use_anchored_address.
8912 (use_anchored_address): New function.
8913 * common.opt (-fsection-anchors): New switch.
8914 * varasm.c (object_block_htab, anchor_labelno): New variables.
8915 (hash_section, object_block_entry_eq, object_block_entry_hash)
8916 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8917 (use_blocks_for_decl_p, change_symbol_section): New functions.
8918 (get_variable_section): New function, split out from assemble_variable.
8919 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8920 use_blocks_for_decl_p say so. Use change_symbol_section if the
8921 symbol has already been created.
8922 (assemble_variable_contents): New function, split out from...
8923 (assemble_variable): ...here. Don't output any code for
8924 block symbols; just pass them to place_block_symbol.
8925 Use get_variable_section and assemble_variable_contents.
8926 (get_constant_alignment, get_constant_section, get_constant_size): New
8927 functions, split from output_constant_def_contents.
8928 (build_constant_desc): Create a block symbol if use_object_blocks_p
8929 says so. Or into SYMBOL_REF_FLAGS.
8930 (assemble_constant_contents): New function, split from...
8931 (output_constant_def_contents): ...here. Don't output any code
8932 for block symbols; just pass them to place_section_symbol.
8933 Use get_constant_section and get_constant_alignment.
8934 (force_const_mem): Create a block symbol if use_object_blocks_p and
8935 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8936 (output_constant_pool_1): Add an explicit alignment argument.
8937 Don't switch sections here.
8938 (output_constant_pool): Adjust call to output_constant_pool_1.
8939 Switch sections here instead. Don't output anything for block symbols;
8940 just pass them to place_block_symbol.
8941 (init_varasm_once): Initialize object_block_htab.
8942 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8943 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8944 (place_block_symbol, get_section_anchor, output_object_block)
8945 (output_object_block_htab, output_object_blocks): New functions.
8946 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8947 (TARGET_ASM_OUT): Include it.
8948 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8949 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8950 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8951 (TARGET_INITIALIZER): Include them.
8952 * rtl.c (rtl_check_failed_block_symbol): New function.
8953 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8954 (block_symbol, object_block): New structures.
8955 (rtx_def): Add a block_symbol field to the union.
8956 (BLOCK_SYMBOL_CHECK): New macro.
8957 (rtl_check_failed_block_symbol): Declare.
8958 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8959 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8960 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8961 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8962 * output.h (output_section_symbols): Declare.
8963 (object_block): Name structure.
8964 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8965 (default_use_anchors_for_symbol_p): Declare.
8966 * Makefile.in (RTL_BASE_H): Add vec.h.
8967 (explow.o): Depend on output.h.
8968 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8969 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8970 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8971 (rs6000_use_blocks_for_constant_p): New function.
8973 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8975 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8977 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8980 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8983 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8985 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8989 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8992 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8993 instead of DECL_REGISTER.
8995 2006-02-18 Olivier Hainque <hainque@adacore.com>
8998 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9000 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9003 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9004 * opth-gen.awk: Handle Var and InverseMask together.
9005 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9006 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9007 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9008 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9010 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9011 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9012 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9013 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9014 LINUX_DYNAMIC_LINKER): Define.
9015 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9016 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9018 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9019 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9020 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9021 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9022 (TARGET_C99_FUNCTIONS): Don't define.
9023 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9024 GLIBC_DYNAMIC_LINKER.
9025 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9026 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9027 GLIBC_DYNAMIC_LINKER64): Define.
9028 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9029 LINUX_DYNAMIC_LINKER64.
9030 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9031 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9032 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9033 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9034 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9035 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9036 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9037 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9038 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9039 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9040 and LINUX_DYNAMIC_LINKER32.
9041 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9042 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9043 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9044 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9045 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9047 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9048 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9049 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9050 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9051 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9052 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9053 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9054 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9055 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9056 LINUX_DYNAMIC_LINKER): Define.
9057 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9058 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9059 GLIBC_DYNAMIC_LINKER64): Define.
9060 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9061 LINUX_DYNAMIC_LINKER64.
9062 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9063 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9064 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9065 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9066 LINUX_DYNAMIC_LINKER): Define.
9067 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9068 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9069 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9070 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9071 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9072 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9073 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9074 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9075 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9076 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9077 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9078 * doc/invoke.texi (-muclibc): Remove caveat about supported
9081 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9083 * doc/cpp.texi (__TIMESTAMP__): Document.
9085 2006-02-17 Roger Sayle <roger@eyesopen.com>
9088 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9089 C is one less than the width of X (and related transformations).
9090 * simplify-rtx.c (simplify_unary_operation_1): Transform
9091 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9092 depending on STORE_FLAG_VALUE, were C is one less then the
9095 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9097 Fix PR tree-optimization/26341
9098 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9099 about NAME_MEMORY_TAG's.
9101 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9104 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9105 with hardware float support, and software float support. Add fcpy
9106 alternative to hardware patterns. Add alternatives to copy between
9107 general and floating-point registers to the 32-bit pattern.
9108 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9109 secondary reload to load a QI or HI mode constant into a floating
9111 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9112 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9114 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9117 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9119 (load_macho_picbase_di): Likewise.
9121 2006-02-16 Jeff Law <law@redhat.com>
9123 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9124 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9125 (ssa_name_nonzero_p): Likewise.
9126 (get_value_range): Return NULL if VRP is not running.
9127 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9128 VRP routines do not discover a range.
9129 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9130 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9131 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9132 (tree_expr_nonnegative_p): Similarly.
9133 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9134 (restore_nonzero_vars_to_original_value): Remove.
9135 (unsafe_associative_fp_binop): Remove.
9136 (tree_ssa_dominator_optimize): Remove initialization and
9137 finalization of nonzero_vars and nonzero_vars_stack.
9138 (dom_opt_initialize_block): No longer push marker on
9140 (dom_opt_finalize_block): No longer call
9141 restore_nonzero_vars_to_original_value.
9142 (record_equivalences_from_phis): No longer look for
9143 nonzero PHI arguments.
9144 (cprop_into_successor_phis): No longer propagate nonzero
9145 property into PHI arguments. Lose unused argument. Caller
9147 (record_equivalences_from_stmt): No longer record nonzero
9148 values for SSA_NAMEs.
9149 (lookup_avail_expr): No longer use nonzero_vars.
9151 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9152 for sizetype when sizetype is unsigned.
9154 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9156 PR rtl-optimization/25603
9157 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9158 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9159 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9160 with new meaning of SETS.
9162 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9167 * config/linux.opt: New file.
9168 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9169 LINUX_DYNAMIC_LINKER): Define.
9170 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9171 * config.gcc (*-*-linux*): Define extra_options.
9172 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9173 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9174 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9175 GLIBC_DYNAMIC_LINKER.
9176 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9177 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9178 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9179 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9180 * doc/invoke.texi (GNU/Linux Options): New section.
9182 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9184 * config/sparc/sparc.md (setjmp): Rewrite.
9185 (setjmp_32): Delete.
9186 (setjmp_64): Likewise.
9188 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9190 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9193 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9195 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9198 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9200 PR rtl-optimization/26296
9201 * Makefile.in (loop-invariant.c): Add except.h dependency.
9202 * loop-invariant.c: Include except.h.
9203 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9205 2005-02-16 Paul Brook <paul@codesourcery.com>
9207 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9210 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9212 PR rtl-optimization/25636
9213 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9214 when deciding whether an insn is an initializing insn.
9216 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9218 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9219 (tree_code_size): Ditto.
9220 * tree.h (struct tree_memory_tag): Remove parent_var.
9221 (struct tree_struct_field_tag): New.
9224 (union tree_node): Add sft member.
9225 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9227 (create_sft): Add size and offset argument, set SFT_OFFSET and
9229 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9230 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9231 * tree-flow-inline.h (get_subvar_at): Update for
9232 SFT_OFFSET/SFT_SIZE.
9233 (var_can_have_subvars): Ditto.
9234 (overlap_subvar): Ditto.
9235 * print-tree.c (print_node): Print out interesting things for
9237 * tree-flow.h (struct subvar): Remove offset and size members.
9238 * tree-ssa-operands.c (get_expr_operands): Update for
9239 get_indirect_ref_operands changes.
9240 (get_indirect_ref_operands): Call add_virtual_operand instead of
9241 add_stmt_operand. Only recurse on base var if requested.
9242 (access_can_touch_variable): New function.
9243 (add_stmt_operand): Split virtual operand handling into ...
9244 (add_virtual_operand): Here. Add offset, size, and for_clobber
9245 arguments. Prune alias sets.
9246 (add_call_clobber_ops): Call add_virtual_operand.
9248 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9251 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9253 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9254 than TREE_CODE as index into omp_clause_num_ops array.
9256 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9258 PR rtl-optimization/26184
9259 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9261 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9262 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9263 must_precede, must_follow and tobe_scheduled.
9266 * opts.c (common_handle_option): Free new_option pointer.
9267 * df-core.c (df_analyze): Free postorder pointer.
9269 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9271 * Makefile.in: Fix the examples about the use of stamps
9273 2006-02-15 Michael Matz <matz@suse.de>
9277 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9278 influenced by maximum_field_alignment or DECL_PACKED.
9279 (update_alignment_for_field): Ditto.
9280 (place_field): Ditto.
9281 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9284 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9286 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9287 (debug_flow_info): Pass it.
9288 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9289 * bb-reorder.c (reorder_basic_blocks): Likewise.
9290 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9291 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9292 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9293 * gcse.c (gcse_main, bypass_jumps): Likewise.
9294 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9295 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9296 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9297 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9298 * rtl.h (dump_flow_info): Adjust prototype.
9299 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9300 * var-tracking.c (variable_tracking_main): Likewise.
9301 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9302 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9305 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9307 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9310 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9312 PR tree-optimization/26209
9313 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9314 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9316 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9318 2006-02-14 Roger Sayle <roger@eyesopen.com>
9321 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9322 (X,Y) and the corresponding symmetry related transformations.
9323 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9324 (X,Y) and its symmetry related transformations.
9326 2006-02-14 Roger Sayle <roger@eyesopen.com>
9328 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9331 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9333 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9335 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9338 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9339 support COMDAT group.
9340 * configure: Regenerate.
9342 2006-02-14 Roger Sayle <roger@eyesopen.com>
9347 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9349 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9351 Fix PR tree-optimization/26260
9353 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9355 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9356 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9357 * tree-ssa-structalias.c (create_variable_info_for): Use
9358 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9360 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9362 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9364 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9365 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9366 of the ending condition.
9367 * tree-ssa-loop-manip.c: Include params.h.
9368 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9369 tree_unroll_loop): New functions.
9370 * tree-pass.h (pass_loop_prefetch): Declare.
9371 * loop.c (rest_of_handle_loop_optimize): Test for
9372 -fprefetch-loop-arrays-rtl.
9373 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9374 * timevar.def (TV_TREE_PREFETCH): New timevar.
9375 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9376 pass_loop_prefetch): New.
9377 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9378 (cleanup_tree_cfg_loop): Call scev_reset.
9379 * common.opt (fprefetch-loop-arrays-rtl): Add.
9380 * tree-ssa-loop-prefetch.c: New file.
9381 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9382 (new_temp_expr_table): Initialize expr_vars.
9383 (free_temp_expr_table): Cleanup expr_vars.
9384 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9385 expressions from being merged into one.
9386 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9387 (struct tree_niter_desc): Add control, bound and cmp fields.
9388 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9390 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9391 (tree-cfgcleanup.o): Add SCEV_H dependency.
9392 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9393 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9395 2006-02-14 Richard Guenther <rguenther@suse.de>
9397 PR tree-optimization/26258
9398 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9399 in PHI argument processing.
9401 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9403 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9404 new expression in the requested machine mode.
9406 2006-02-13 Roger Sayle <roger@eyesopen.com>
9408 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9409 directly, instead let do_compare_rtx_and_jump handle this for us.
9410 * expr.c (expand_expr_real_1): Likewise.
9411 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9412 before do_jump_by_parts_greater.
9413 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9414 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9416 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9418 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9420 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9422 PR rtl-optimization/26235
9423 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9424 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9427 2006-02-13 Jeff Law <law@redhat.com>
9429 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9432 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9435 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9436 twice if decl is a builtin. When trying again, call get_callee_fndecl
9437 first to verify it is still a builtin.
9439 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9441 * dwarf2out.c (base_type_die): Don't add AT_name here.
9442 (subrange_type_die): Don't add AT_name here.
9443 (modified_type_die): Rearrange code flow. Do add AT_name here.
9445 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9447 PR rtl-optimization/26247
9448 PR rtl-optimization/26248
9449 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9451 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9453 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9454 * config/fixtfdi.c: Likewise.
9455 * config/fixunstfdi.c: Likewise.
9456 * config/floatditf.c: Likewise.
9458 2006-02-13 Roger Sayle <roger@eyesopen.com>
9461 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9462 into (X,C2) if C1 is a subset of the bits of C2. Transform
9463 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9465 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9467 2006-02-13 Josh Conner <jconner@apple.com>
9470 * varasm.c (function_section): Check for section name before
9471 calling select_section on targets that define
9472 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9473 unlikely_text_section instead of hot_function_section if
9474 first_function_block_is_cold.
9476 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9479 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9481 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9483 PR rtl-optimization/26222
9484 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9485 after tree->rtl expansion.
9486 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9487 before passing it to emit_move_insn.
9489 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9491 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9493 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9494 Clarify documentation.
9495 * c-common.h (warn_write_strings): Remove.
9496 * c-common.c (warn_write_strings): Likewise.
9497 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9500 2006-02-12 Roger Sayle <roger@eyesopen.com>
9503 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9504 (do_jump_parts_zero_rtx): New function renamed from
9505 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9506 (do_jump_parts_equality_rtx): New function split out from
9507 do_jump_parts_equality. Old implementation renamed as above.
9508 Call do_jump_parts_zero_rtx if either operand is zero.
9509 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9510 do all of the heavy lifting.
9511 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9512 calling either do_jump_by_parts_greater_rtx or
9513 do_jump_by_parts_equality_rtx.
9514 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9515 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9516 moved to do_compare_rtx_and_jump, call it directly.
9517 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9518 mode argument. Call do_compare_rtx_and_jump.
9519 (emit_case_nodes): Update calls to do_jump_if_equal.
9521 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9523 PR rtl-optimization/26225
9524 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9526 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9528 PR rtl-optimization/26232
9529 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9531 2006-02-11 Jason Merrill <jason@redhat.com>
9534 * tree-inline.c (declare_return_variable): Just don't use the
9535 modify target if it's a gimple complex reg and the return slot
9538 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9540 * doc/contrib.texi: Update my entry.
9542 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9544 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9546 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9548 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9551 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9553 * doc/invoke.texi (-floop-optimize2): Removed.
9554 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9555 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9556 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9557 * common.opt (floop-optimize2): Removed.
9558 (fmove-loop-invariants): Enabled by default.
9560 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9562 * tree-if-conv.c (combine_blocks): Free the result of
9563 get_loop_exit_edges.
9565 2006-02-10 Jeff Law <law@redhat.com>
9567 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9569 PR tree-optimization/26213
9570 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9571 loop trying to follow SSA_NAME_VALUE chains.
9573 2006-02-10 Richard Guenther <rguenther@suse.de>
9575 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9576 deal with structures that end in implicitly variable sized arrays.
9578 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9580 PR rtl-optimization/24762
9581 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9584 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9586 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9587 (struct ivopts_data): Add regs_used field.
9588 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9589 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9590 instead of loop_data->regs_used;
9591 (free_loop_data): Do not free aux fields for loops.
9592 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9593 and tree_ssa_iv_optimize_finalize.
9595 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9597 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9599 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9602 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9603 computing the effective result type.
9605 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9608 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9609 (tree_overlaps_hard_reg_set): Declare.
9610 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9611 type and signature to match function type expected by walk_tree.
9612 (tree_overlaps_hard_reg_set): New function.
9613 (decl_conflicts_with_clobbers_p): Rename to:
9614 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9615 Use tree_overlaps_hard_reg_set. Changed caller.
9616 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9617 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9618 * cris.c (cris_md_asm_clobbers): Likewise.
9620 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9622 * reload1.c (emit_input_reload_insns): Delete code that tries to
9623 inherit using find_equiv_reg.
9625 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9627 * c-common.h (flag_const_strings): Don't declare.
9628 * c-common.c (flag_const_strings): Remove.
9629 * c.opt (fconst_strings): Remove.
9630 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9631 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9632 (c_common_init_options): Don't set flag_const_strings.
9633 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9635 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9637 * arm.md (tlobits_cbranch): New pattern.
9638 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9639 testing a single bit.
9641 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9644 * tree-ssa-pre.c (create_component_ref_by_pieces):
9645 Handle RETURN_DECL like VAR_DECL.
9647 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9650 * fold-const.c (fold_indirect_ref_1): Fold
9651 "*(foo *)&complexfoo" to "__real__ complexfoo"
9652 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9654 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9656 * tree-flow-inline.h (var_can_have_subvars):
9657 Volatile variables should not have subvariables.
9659 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9662 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9663 multiplying unsigned values.
9666 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9668 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9670 2006-02-08 Jason Merrill <jason@redhat.com>
9673 * tree.def: Elaborate on difference from MODIFY_EXPR.
9674 * doc/c-tree.texi (INIT_EXPR): Likewise.
9675 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9676 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9677 (gimplify_target_expr): Likewise.
9678 (gimplify_cond_expr): Remove target handling.
9679 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9680 (gimplify_expr): Clobber it here.
9681 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9682 Do return slot optimization if we have an INIT_EXPR.
9685 * tree-inline.c (declare_return_variable): Also clear
9686 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9689 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9692 * gimplify.c (gimplify_one_sizepos): Fix typo.
9694 2006-02-08 Jeff Law <law@redhat.com>
9696 PR tree-optimization/21417
9697 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9698 across a backedge if the control statement at the end of the
9699 block is data dependent on other statements in the same block.
9700 (record_temporary_equivalences_from_stmts): Remove over-conservative
9701 test for threading across backedges.
9703 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9704 control statement, handle all three special cases in the same
9705 manner as they all have the same desired solution. No longer
9706 special case edge flag updating when the post dominator is
9709 2006-02-08 Roger Sayle <roger@eyesopen.com>
9711 * tree.def (CHAR_TYPE): Remove.
9712 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9713 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9714 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9715 (gen_string_type_die): Delete unreachable function.
9717 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9718 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9719 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9720 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9721 * builtins.c (type_to_class): Likewise.
9722 * fold-const.c (fold_convert, build_range_check,
9723 merge_ranges): Likewise.
9724 * expr.c (count_type_elements): Likewise.
9725 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9726 * stor-layout.c (layout_type): Likewise.
9727 * ipa-type-escape.c (type_to_consider): Likewise.
9728 * gimplify.c (omp_firstprivatize_type_sizes,
9729 gimplify_type_sizes): Likewise.
9730 * explow.c (promote_mode): Likewise.
9731 * tree-sra.c (is_sra_scalar_type): Likewise.
9732 * varasm.c (output_constant): Likewise.
9733 * tree-inline.c (remap_type_1): Likewise.
9734 * convert.c (convert_to_pointer, convert_to_real,
9735 convert_to_integer, convert_to_complex): Likewise.
9737 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9739 * df-scan.c (df_def_record_1): A set destination may
9740 be a parallel regardless of mode.
9742 2006-02-08 Roger Sayle <roger@eyesopen.com>
9745 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9746 * config/mips/_tilib.c: Remove.
9747 * config/fixtfdi.c: New libgcc source file.
9748 * config/fixunstfdi.c: New source file.
9749 * config/floatditf.c: New source file.
9750 * config/floatunditf.c: New souce file.
9751 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9752 files above instead of config/mips/_tilib.c.
9753 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9755 2006-02-08 Jeff Law <law@redhat.com>
9757 PR tree-optimization/26169
9758 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9761 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9763 * df.h (DF_REG_SIZE): Return the length of the initialized
9766 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9768 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9769 __muldf3): Return a correctly signed zero.
9771 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9773 * passes.c (register_one_dump_file): Accept the current properties
9774 instead of pass number. Adjust call to dump_register. Remove
9776 (register_dump_files): Now a wrapper around...
9777 (register_dump_files_1): ... this one. Do not modify the pass
9779 (next_pass_1): Cosmetic fix.
9780 (execute_todo): Keep second parameter only. Use curr_properties
9781 instead of fetching it from the pass structure. Check and set
9783 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9784 instead of fetching it from the pass structure. Fix calls to
9785 execute_todo. Update curr_properties and initialize .vcg RTL dump
9786 after running the pass. Reset last_verified.
9787 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9789 (FIRST_AUTO_NUMBERED_DUMP): New.
9790 (dump_register): Remove "num" parameter, assign it within the
9792 (get_dump_file_name): Modify template for dumps.
9793 * tree-dump.h (dump_register): Adjust prototype.
9794 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9795 (PROP_trees): Add PROP_gimple_lomp.
9796 (TODO_set_props): New.
9797 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9798 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9799 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9801 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9803 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9804 (sparc64-*-linux*): Likewise.
9805 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9806 * config/sparc/t-linux: New file.
9807 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9808 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9809 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9810 -m32 -mlong-double-128.
9812 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9813 * config/alpha/t-linux: New file.
9814 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9816 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9817 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9818 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9819 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9820 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9821 (CPP_ARCH32_SPEC): Remove.
9823 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9825 PR tree-optimization/26145
9826 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9829 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9832 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9833 >= 240000 when generating code for SOM runtime.
9834 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9835 to $$dyncall when generating code for SOM runtime..
9837 2006-02-07 Dirk Mueller <dmueller@suse.com>
9840 * doc/invoke.texi (-Wsequence-point): Update documentation
9841 that -Wsequence-point is implemented for C++ as well.
9843 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9845 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9846 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9847 (LIB_SPEC): Likewise.
9848 * doc/invoke.texi (SPARC options): Document -pthread.
9850 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9852 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9855 2006-02-07 Roger Sayle <roger@eyesopen.com>
9857 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9858 Correct comment describing BOOLEAN_TYPE.
9860 2006-02-07 Dirk Mueller <dmueller@suse.com>
9862 * c.opt: C++ frontend supports -Wdiv-by-zero.
9863 * c-opts.c (c_common_handle_option): Remove dead case.
9865 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9867 * configure.ac (TLS assembler check): Do not enable TLS by
9868 default on SPARC/Solaris before version 10.
9869 * configure: Regenerate.
9871 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9873 * doc/invoke.texi (xl-compat): Document conversion and support
9876 2006-02-07 Jeff Law <law@redhat.com>
9878 * tree-vrp.c (find_conditional_asserts): Update comments.
9879 (simplify_stmt_for_jump_threading): New.
9880 (identify_jump_threads, finalize_jump_threads): New.
9881 (vrp_finalize): Call identify_jump_threads.
9882 (execute_vrp): Call finalize_jump_threads.
9883 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9884 (vrp_element, vrp_data, vrp_element_p): Remove.
9885 (vrp_hash_elt, vrp_variables_stack): Remove.
9886 (vrp_hash, vrp_eq, record_range): Remove.
9887 (simplify_cond_and_lookup_avail_expr): Remove.
9888 (extract_range_from_cond): Remove.
9889 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9890 (simplify_stmt_for_jump_threading): New.
9891 (dom_thread_across_edge): New wrapper.
9892 (tree_ssa_dominator_optimize): No longer initialize or
9893 finalize any of the VRP datastructures. Remove iteration
9894 step and simplify as a result of removal of iteration step.
9895 (pass_dominator): Perform a cfg cleanup after DOM.
9896 (dom_opt_finalize_block): Use the new common routines
9897 for threading jumps. Simplify stack management slightly.
9898 No longer need to unwind VRP state.
9899 (record_equivalences_from_incoming_edge): No longer record
9901 (eliminate_redundant_computations): No longer call
9902 simplify_cond_and_lookup_avail_expr.
9903 * tree-flow.h (potentially_threadable_block): Prototype.
9904 (thread_across_edge): Likewise.
9905 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9906 (tree-ssa-threadedge.o): Add dependencies.
9907 * tree-ssa-threadedge.c: New file.
9908 * passes.c (init_optimization_passes): Merge PHIs before
9909 calling VRP. Run VRP again late in the SSA optimization pipeline.
9911 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9913 * df-core.c (df_set_blocks): Do not dereference function pointers.
9914 (df_finish1): Likewise.
9915 (df_hybrid_search_forward): Likewise.
9916 (df_hybrid_search_backward): Likewise.
9917 (df_iterative_dataflow): Likewise.
9918 (df_analyze_problem): Likewise.
9919 (df_compact_blocks): Likewise.
9920 (df_dump): Likewise.
9921 * df-scan.c (df_rescan_blocks): Likewise.
9922 (df_record_entry_block_defs): Likewise.
9924 * genconditions.c (write_conditions): Guard the definition of
9925 'insn_conditions' with the check on GCC version.
9926 (write_writer): Guard the traversal 'insn_conditions' with
9927 the check on GCC version.
9929 2006-02-07 Richard Guenther <rguenther@suse.de>
9933 2006-01-30 Richard Guenther <rguenther@suse.de>
9935 * gimplify.c (gimplify_target_expr): Handle easy cases
9936 without creating a temporary.
9938 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9940 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9941 use of float in probability computations. Use edge probabilities
9942 in place of statically computed probabilities.
9943 (min_spec_prob): New static variable.
9944 (schedule_insns): Initialize it.
9945 (GET_SRC_PROB): Removed.
9946 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9948 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9951 * config/ia64/unwind-ia64.c: Revert last change.
9952 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9953 (INCOMING_FRAME_SP_OFFSET): Define.
9955 2006-02-06 Roger Sayle <roger@eyesopen.com>
9957 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9959 2006-02-07 Ben Elliston <bje@au.ibm.com>
9961 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9962 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9963 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9964 (ix86_return_in_memory): Handle TDmode.
9965 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9966 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9968 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9970 * reorg.c (dbr_schedule): Use dump_file instead of file.
9972 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9975 * config/ia64/predicates.md (extr_len_operand): New predicate.
9976 * config/ia64/ia64.md (extv): Tighten constraints.
9978 (*tbit_and_2): Ditto.
9979 (*tbit_and_3): Ditto.
9980 (*tbit_or_2): Ditto.
9981 (*tbit_or_3): Ditto.
9985 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9988 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9990 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9992 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9993 loop_optimizer_init and loop_optimizer_finalize
9994 * tree-ssa-sink.c (execute_sink_code): Ditto.
9995 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9996 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9997 tree_ssa_loop_done): Ditto.
9998 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9999 * sched-ebb.c: Include output.h.
10000 (schedule_ebbs): Do not use dump argument.
10001 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10002 * loop.c (loop_dump_stream): Removed.
10003 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10005 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10006 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10007 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10008 loop_iterations, strength_reduce, record_biv, record_giv,
10009 final_giv_value, check_final_value, check_ext_dependent_givs,
10010 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10011 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10012 dump_file instead of loop_dump_stream.
10013 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10014 argument dump_file.
10015 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10017 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10018 * haifa-sched.c: Include output.h
10019 (schedule_insns, sched_init): Do not use dump argument.
10020 * mode-switching.c (optimize_mode_switching): Ditto.
10021 * modulo-sched.c (stats_file): Removed.
10022 (print_node_sched_params): Do not call argument dump_file.
10023 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10024 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10026 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10028 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10029 rtl_loop_init, rtl_loop_done): Ditto.
10030 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10031 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10033 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10034 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10035 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10036 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10037 * emit-rtl.c (renumber_insns): Ditto.
10038 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10039 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10040 * regclass.c (regclass): Ditto.
10041 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10042 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10043 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10044 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10046 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10047 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10049 * gcse.c (gcse_file, debug_stderr): Removed.
10050 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10051 rest_of_handle_gcse): Do not use dump argument.
10052 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10053 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10054 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10055 compute_code_hoist_vbeinout, compute_code_hoist_data,
10056 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10057 compute_store_table, build_store_vectors, insert_insn_start_bb,
10058 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10059 store_motion): Use dump_file instead of gcse_file.
10060 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10061 * profile.c (profile_dump_file): Removed.
10062 (branch_prob): Use dump_file instead of profile_dump_file.
10063 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10065 * tree-ssa-copy.c (dump_copy_of): Ditto.
10066 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10067 dump file to life_analysis.
10068 * bt-load.c (branch_target_load_optimize): Ditto.
10069 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10071 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10072 regclass, dbr_schedule): Declaration changed.
10073 * sched-int.h (sched_init): Declaration changed.
10074 * tree-profile.c (tree_profile_dump_file): Removed.
10075 (tree_profile_hooks): Removed profile_dump_file hook.
10076 * rtl-profile (rtl_profile_dump_file): Removed.
10077 (rtl_profile_hooks): emoved profile_dump_file hook.
10078 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10080 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10081 * tree-cfg.c (build_tree_cfg): Ditto.
10082 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10083 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10084 Declaration changed.
10085 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10086 life_analysis and schedule_insns.
10087 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10089 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10091 * config/mips/mips.c (mips_reorg): Ditto.
10092 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10095 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10097 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10098 (s390_mangle_fundamental_type): New.
10099 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10102 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10103 (alpha_mangle_fundamental_type): New.
10104 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10107 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10109 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10111 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10112 (sparc_mangle_fundamental_type): New.
10114 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10116 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10117 (s390x-*-linux*): Likewise.
10118 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10119 * config/s390/t-linux: New file.
10121 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10123 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10124 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10126 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10128 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10129 (ANTIC_SAFE_LOADS): New macro.
10130 (find_or_generate_expression): Add prototype.
10131 (set_contains_value): Allow null set for sake of not always having
10132 to allocate ANTIC_SAFE_LOADS.
10133 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10134 Allow COMPONENT_REF too.
10135 (valid_in_set): Allow COMPONENT_REF.
10136 Check ANTIC_SAFE_LOADS too.
10137 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10138 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10140 (can_PRE_operation): Add COMPONENT_REF.
10141 (create_component_ref_by_pieces): New function.
10142 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10143 (insert_aux): Move AGGREGATE_TYPE_P check here.
10144 (compute_avail): Set bb local stmt uids.
10145 (pass_pre): Use TODO_update_ssa_only_virtuals.
10147 2006-02-06 Ben Elliston <bje@au.ibm.com>
10149 * configure.ac: Unconditionally disable decimal float by default.
10150 * configure: Regenerate.
10152 2006-02-06 Ben Elliston <bje@au.ibm.com>
10154 * read-rtl.c (read_name): Terminate reading on EOF.
10156 2006-02-06 Ben Elliston <bje@au.ibm.com>
10158 * dfp.c (decimal_real_arithmetic): Change second argument type
10159 from int to enum tree_code. Do not always return true, but now
10160 return result of any call to decimal_do helper functions.
10161 * dfp.h (decimal_real_arithmetic): Update prototype.
10163 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10165 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10167 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10170 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10173 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10175 * tree-vrp.c (cfg_loops): Removed.
10176 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10177 Use current_loops instead of cfg_loops. Pass flags to
10178 loop_optimizer_init.
10179 * cfgloopmanip.c (fix_loop_structure): Update only available
10181 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10182 loop_optimizer_init.
10183 * modulo-sched.c (build_loops_structure): Removed.
10184 (sms_schedule): Use loop_optimizer_init.
10185 * loop-init.c (loop_optimizer_init): Use flags to determine
10186 which properties of loops to prepare.
10187 (rtl_loop_init): Pass flags to loop_optimizer_init.
10188 * tree-ssa-sink.c (execute_sink_code): Ditto.
10189 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10190 * tree-ssa-pre.c (init_pre): Ditto.
10191 * cfgloop.h (LOOPS_NORMAL): New.
10192 (loop_optimizer_init): Declaration changed.
10194 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10196 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10197 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10199 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10201 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10203 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10204 * pa/t-pa64: Delete quadlib.c rule.
10205 * pa/x-ada: Revert last change.
10206 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10208 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10210 PR rtl-optimization/26087
10211 * rtlanal.c (canonicalize_condition): Do not cross basic block
10214 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10217 * config/ia64/ia64.c: Include debug.h.
10218 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10219 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10220 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10221 (process_epilogue, process_set, process_for_unwind_directive):
10222 Output unwind info only if requested. Add CFA info if requested.
10223 Add new arguments as needed. Adjust callers.
10224 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10226 (DWARF2_FRAME_INFO): Define to zero.
10227 * config/ia64/unwind-ia64.c: Remove code that compensated for
10228 the CFA offset error fixed above.
10229 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10230 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10231 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10232 -funwind-tables and -fexceptions to enable frame info.
10233 (dwarf2out_frame_init): Define initial CFA even if
10234 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10235 DWARF2_UNWIND_INFO is nonzero, not just defined.
10236 (dwarf2out_frame_finish): Output non-EH call frame info only
10237 if DWARF2_FRAME_INFO is nonzero.
10238 (convert_cfa_to_loc_list,
10239 compute_frame_pointer_to_cfa_displacement): Define even if
10240 unwind info is not supported.
10241 (gen_subprogram_die): Use the above unconditionally. Remove
10242 legacy alternate code.
10243 * toplev.c (compile_file): Compile in call to
10244 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10245 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10247 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10248 Jakub Jelinek <jakub@redhat.com>
10250 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10251 IBM extended float format long double as "g" on powerpc*-linux.
10253 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10256 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10257 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10259 2006-02-03 Jason Merrill <jason@redhat.com>
10262 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10264 PR middle-end/25977
10265 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10266 on the return slot if it's an NRV.
10268 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10270 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10271 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10272 rewrite_use): Do not handle USE_OUTER.
10273 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10274 add_iv_outer_candidates, may_replace_final_value,
10275 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10276 (find_interesting_uses_op): Functionality of
10277 find_interesting_uses_outer_or_nonlin moved here.
10278 (find_interesting_uses_outside): Use find_interesting_uses_op.
10280 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10283 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10285 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10286 Ulrich Weigand <uweigand@de.ibm.com>
10289 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10290 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10291 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10292 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10294 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10295 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10296 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10297 Define secondary reloads for TFmode moves.
10298 (constant_modes): Add TFmode.
10299 (NR_C_MODES): Set to 8.
10300 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10302 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10303 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10304 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10305 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10306 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10307 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10308 (FPR mode macro): Add TFmode.
10309 (DSF mode macro): New.
10310 (<de>, <dee> mode attributes): Removed.
10311 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10312 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10313 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10314 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10315 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10316 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10317 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10318 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10319 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10320 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10321 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10322 "*negabs<mode>2", "sqrt<mode>2"):
10323 Changed <de> to <xde>. R constraint replaced by <Rf>.
10324 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10326 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10327 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10328 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10330 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10331 "extenddftf2", "extendsftf2"): New expanders.
10332 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10333 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10334 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10335 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10337 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10338 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10339 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10340 __floatditf): Add a GCC_4.1.0 symbol version tag.
10341 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10344 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10347 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10348 Use targetm.binds_local_p instead of TREE_PUBLIC.
10350 2006-02-02 Roger Sayle <roger@eyesopen.com>
10352 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10353 on INTEGER_TYPEs to indicate that it denotes a character type.
10354 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10355 signed_char_type_node, unsigned_char_type_node and char_type_node.
10356 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10357 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10358 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10360 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10361 Daniel Berlin <dberlin@dberlin.org>
10363 * tree-tailcall.c (arg_needs_copy_p): New function.
10364 (eliminate_tail_call): Use arg_needs_copy_p.
10365 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10366 (add_virtual_phis): New function.
10368 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10370 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10371 #ignore instead of #scratch for %g7 .register directive.
10373 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10375 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10378 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10380 * flow.c (calculate_global_regs_live): Assert that there aren't any
10383 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10385 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10386 what its name says.
10387 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10388 bsi_after_labels iterator.
10389 * tree-if-conv.c (find_phi_replacement_condition,
10390 replace_phi_with_cond_modify_expr): Likewise.
10391 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10392 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10394 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10396 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10398 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10401 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10402 array after growing it.
10404 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10406 PR middle-end/24901
10407 * fold-const.c (fold_checksum_tree): Change type of buf.
10409 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10411 * reload.c (push_secondary_reload): Initialize t_icode.
10413 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10415 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10416 -msoft-float -mlong-double-128 only issue a warning, but don't
10417 swich to DFmode long double.
10419 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10421 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10422 has a constant equivalent, iterate over equivalents for arg0,
10423 calling simplify_relational_operation and if there's a result
10424 cheaper than X, apply fold_rtx and return the result.
10426 2006-02-01 Jan Hubicka <jh@suse.cz>
10428 * opts.c (no_unit_at_a_time_default): New global variable.
10429 (decode_options): Use it.
10430 * opts.h (no_unit_at_a_time_default): Declare.
10432 2006-02-01 Paul Brook <paul@codesourcery.com>
10434 * function.c (assign_parm_setup_reg): Use function argument promotion
10436 * expr.c (expand_expr_real_1): Use function argument promotion rules
10439 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10441 * gcc.c (process_command): Change j to 'unsigned int'.
10443 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10445 PR middle-end/26001
10446 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10447 Use the corrected index for the character
10448 out of the string constant.
10450 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10452 * mode-switching.c (optimize_mode_switching): Fix size
10453 allocated for bb_info[n_entities].
10455 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10457 * gcc.c (main): Correct type that is allocated for
10458 explicit_link_files.
10460 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10462 * config/s390/s390.c (init_alignment_context): Set
10463 ALIAS_SET_MEMORY_BARRIER on the MEM.
10464 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10466 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10468 PR middle-end/25933
10469 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10471 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10474 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10476 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10477 * regrename.c: Ditto.
10478 * tree-ssa-loop-im.c: Ditto.
10479 * tree-dump.c: Ditto.
10480 * tree-complex.c: Ditto.
10481 * genrecog.c: Ditto.
10482 * tree-ssa-threadupdate.c: Ditto.
10484 * java/class.c: Ditto.
10485 * java/jcf-parse.c: Ditto.
10486 * java/resource.c: Ditto.
10487 * java/except.c: Ditto.
10488 * java/jvspec.c: Ditto.
10489 * java/jcf-write.c: Ditto.
10490 * java/jcf-path.c: Ditto.
10491 * java/gjavah.c: Ditto.
10492 * java/zextract.c: Ditto.
10493 * java/jcf-io.c: Ditto.
10494 * java/jcf.h: Ditto.
10495 * java/buffer.c: Ditto.
10496 * java/lang.c: Ditto.
10497 * java/parse-scan.y: Ditto.
10498 * java/lex.c: Ditto.
10499 * java/lex.h: Ditto.
10500 * cfgloopmanip.c: Ditto.
10501 * postreload-gcse.c: Ditto.
10502 * tree-ssa-loop-manip.c: Ditto.
10503 * postreload.c: Ditto.
10504 * tree-ssa-loop-ch.c: Ditto.
10507 * cppspec.c: Ditto.
10508 * diagnostic.c: Ditto.
10510 * genoutput.c: Ditto.
10512 * cfghooks.c: Ditto.
10513 * cfgloopanal.c: Ditto.
10514 * objc/objc-act.c: Ditto.
10516 * genextract.c: Ditto.
10517 * genautomata.c: Ditto.
10518 * pretty-print.c: Ditto.
10519 * genemit.c: Ditto.
10520 * cgraphunit.c: Ditto.
10522 * df-scan.c: Ditto.
10523 * haifa-sched.c: Ditto.
10524 * dominance.c: Ditto.
10526 * tree-ssa-loop-ivopts.c: Ditto.
10527 * df-core.c: Ditto.
10528 * mode-switching.c: Ditto.
10529 * modulo-sched.c: Ditto.
10531 * ipa-pure-const.c: Ditto.
10533 * fix-header.c: Ditto.
10535 * tree-stdarg.c: Ditto.
10536 * ipa-utils.c: Ditto.
10537 * loop-init.c: Ditto.
10538 * ipa-inline.c: Ditto.
10539 * cfganal.c: Ditto.
10541 * alloc-pool.c: Ditto.
10542 * dwarf2out.c: Ditto.
10544 * genattrtab.c: Ditto.
10545 * tree-ssa-loop-ivcanon.c: Ditto.
10546 * predict.c: Ditto.
10547 * timevar.c: Ditto.
10549 * fortran/gfortranspec.c: Ditto.
10550 * regmove.c: Ditto.
10551 * local-alloc.c: Ditto.
10552 * langhooks.c: Ditto.
10553 * function.c: Ditto.
10554 * tree-vectorizer.c: Ditto.
10556 * ipa-type-escape.c: Ditto.
10558 * tree-if-conv.c: Ditto.
10559 * profile.c: Ditto.
10561 * tree-data-ref.c: Ditto.
10562 * loop-unroll.c: Ditto.
10563 * treelang/treetree.c: Ditto.
10565 * bt-load.c: Ditto.
10566 * ggc-common.c: Ditto.
10568 * coverage.c: Ditto.
10570 * tree-cfgcleanup.c: Ditto.
10571 * tree-ssa-pre.c: Ditto.
10572 * cfgcleanup.c: Ditto.
10573 * loop-invariant.c: Ditto.
10574 * loop-iv.c: Ditto.
10575 * ipa-prop.c: Ditto.
10576 * print-tree.c: Ditto.
10577 * conflict.c: Ditto.
10578 * ggc-page.c: Ditto.
10579 * sched-deps.c: Ditto.
10580 * regclass.c: Ditto.
10581 * tree-object-size.c: Ditto.
10582 * combine.c: Ditto.
10583 * bb-reorder.c: Ditto.
10584 * resource.c: Ditto.
10585 * var-tracking.c: Ditto.
10586 * cfgloop.c: Ditto.
10587 * df-problems.c: Ditto.
10588 * reg-stack.c: Ditto.
10590 * gccspec.c: Ditto.
10591 * sched-rgn.c: Ditto.
10592 * tree-ssa-structalias.c: Ditto.
10593 * tree-ssa-reassoc.c: Ditto.
10594 * config/darwin-c.c: Ditto.
10595 * config/darwin.c: Ditto.
10596 * config/arm/arm.c: Ditto.
10598 * collect2.c: Ditto.
10599 * reload1.c: Ditto.
10601 2006-01-31 Nicolas Pitre <nico@cam.org>
10603 * arm.md (smaxsi3): Make aware of smax_m1.
10606 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10608 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10610 2006-01-31 Richard Guenther <rguenther@suse.de>
10612 * doc/invoke.texi (-msselibm): Document.
10613 * target.h (expand_library_builtin): New target hook.
10614 * builtins.c (expand_builtin): Use expand_library_builtin.
10615 (default_expand_library_builtin): New function.
10616 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10617 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10618 (link_gcc_math_spec): Declare.
10619 (static_specs): Add link_gcc_math_spec.
10620 * expr.h (default_expand_library_builtin): Declare.
10621 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10622 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10623 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10624 * config/i386/i386.opt (msselibm): New target option.
10625 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10626 (ix86_init_sse_abi_builtins): New function.
10627 (ix86_expand_library_builtin): Likewise.
10628 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10629 (override_options): Handle error conditions wrt -msselibm.
10630 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10631 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10632 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10635 2006-01-31 Richard Guenther <rguenther@suse.de>
10636 Paolo Bonzini <bonzini@gnu.org>
10638 * doc/install.texi (--disable-libgcc-math): Document.
10640 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10642 * expr.h (expand_normal): new inline function.
10643 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10644 * dojump.c: use it.
10645 * dwarf2out.c: use it.
10648 * expmed.c: use it.
10649 * except.c: use it.
10650 * config/sparc/sparc.c: use it.
10651 * config/i386/i386.c: use it.
10652 * config/rs6000/rs6000.c: use it.
10653 * config/arm/arm.c: use it.
10654 * config/mips/mips.c: use it.
10655 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10657 2006-01-30 Roger Sayle <roger@eyesopen.com>
10659 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10660 argv to the appropriate type.
10662 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10664 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10667 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10670 * config/s390/s390.c (struct machine_function): New flag
10671 decomposed_literal_pool_addresses_ok_p.
10672 (s390_reorg): Set it before final stage of literal pool transforms.
10673 (s390_decompose_address): Only accept displacements of the form
10674 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10676 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10678 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10679 the comparison routine return.
10681 2006-01-30 Michael Matz <matz@suse.de>
10683 * global.c (find_reg): Only evict for global regs.
10684 Take n_refs into account and dump more info.
10686 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10689 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10690 (pragma_trap, pragma_nosave_low_regs): Likewise.
10691 (current_function_anonymous_args): Likewise.
10692 (sh_deferred_function_attributes): New variable.
10693 (sh_deferred_function_attributes_tail): Likewise.
10694 (print_operand): For '@', look up trap_exit attribute.
10695 (calc_live_regs): Look up trapa_handler attribute. For trapa
10696 handlers, save/restore fpscr, but don't do any other
10697 interrupt-specific saves.
10698 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10699 Fix check for partially saved registers to check for SHmedia.
10700 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10701 (sh_output_function_epilogue): Don't clear any of the removed
10703 (sh_insert_attributes): Don't check pragma_interrupt.
10704 Insert deferred attributes. Check that interrupt attribute is
10705 present for other attributes that require its presence.
10706 (sh_attribute_table): Add new attributes trapa_handler and
10708 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10709 Don't check for pragma_interrupt. Don't store argument.
10710 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10711 (sh_deferred_function_attributes): Declare.
10712 (sh_deferred_function_attributes_tail): Likewise.
10713 * sh.md (sp_switch_1): Add operand. Change generator caller.
10714 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10715 (*return_i): Don't use when trap_exit attribute is in effect.
10716 (*return_trapa): New insn pattern.
10717 * sh-c.c: New file.
10718 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10719 setting c_target_objs and cxx_target_objs.
10720 * t-sh: Add rule for sh-c.o.
10722 2006-01-30 Richard Guenther <rguenther@suse.de>
10725 * gimplify.c (gimplify_target_expr): Handle easy cases
10726 without creating a temporary.
10728 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10730 * vec.h (safe_grow): Remove duplicated line.
10732 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10735 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10736 (expand_omp): ... here.
10737 (expand_omp_parallel): Only remove barriers for combined
10738 parallel+workshare constructs.
10740 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10744 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10745 * tree.c (build_qualified_type): Chain the new type to the original
10746 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10747 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10748 (build_pointer_type_for_mode): Only return unqualified types.
10749 (build_reference_type_for_mode): Likewise.
10751 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10753 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10754 * Makefile.in (CXX_COMPAT_WARN): Define.
10755 * configure: Regenerate.
10757 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10760 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10763 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10765 * toplev.c: Fix thinko.
10767 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10768 Marcin Dalecki <martin@dalecki.de>
10770 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10771 (push_srcloc): Use XNEW.
10772 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10774 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10776 * df-core.c (df_set_blocks): Deleted all variable.
10778 2006-01-28 Ian Lance Taylor <ian@airs.com>
10780 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10781 cgraph_output_pending_asms.
10783 2006-01-28 Zack Weinberg <zackw@panix.com>
10785 * c.opt: Add -W(no-)overlength-strings.
10786 * doc/invoke.texi: Document it.
10787 * c-opts.c (c_common_handle_option): -pedantic implies
10788 -Woverlength-strings, if not explicitly disabled already.
10789 (c_common_post_options): -Woverlength-strings defaults to off, and
10790 is always off for C++.
10791 * c-common.c (fix_string_type): Issue warning about strings longer
10792 than is portable only if warn_overlength_strings. Rearrange code
10793 a little for clarity.
10794 * configure.in: Check for -Wno-overlength-strings as well before
10795 enabling -pedantic in stage 1.
10796 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10797 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10799 * genconditions.c (write_header, write_one_condition)
10800 (write_conditions, write_writer): Consolidate very long strings
10801 that were broken up to fit in C89 portable limit. Don't use
10802 printf when fputs will do.
10804 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10806 * combine.c (simplify_comparison <AND>): Check
10807 TRULY_NOOP_TRUNCATION before start using a subreg.
10809 * config/mips/mips.md (*branch_zero<mode>,
10810 *branch_zero<mode>_inverted, *branch_equality<mode>,
10811 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10812 Remove mode check from comparisons.
10814 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10816 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10818 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10820 * expmed.c (const_mult_add_overflow_p): Remove.
10821 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10823 * recog.c (validate_replace_rtx_subexp): Remove.
10824 * recog.h: Remove the prototype for
10825 validate_replace_rtx_subexp.
10827 * integrate.h: Remove the prototype for
10828 copy_decl_for_inlining.
10829 * rtl.h: Remove the prototype for mark_constant_function.
10830 * tree-vectorizer.h: Remove the prototype for
10831 vect_strip_conversion.
10833 * modulo-sched.c (create_partial_schedule,
10834 free_partial_schedule, reset_partial_schedule): Make them
10837 * hooks.c (hook_bool_rtx_int_false): Remove.
10838 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10840 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10842 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10843 and -mlong-double-128 are incompatible.
10844 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10845 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10846 (TARGET_LIBGCC2_CFLAGS): Define.
10847 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10848 (TARGET_LIBGCC2_CFLAGS): Same.
10849 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10851 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10854 * c-typeck.c (build_binary_op): Perform implicit casts of
10855 operands before shortening them.
10857 * cfgloopmanip.c (split_loop_bb): Remove.
10858 * cfgloop.h: Remove the prototype for split_loop_bb.
10860 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10861 * cfgloop.h: Remove the prototype for
10862 flow_loop_outside_edge_p.
10864 * emit-rtl.c (init_virtual_regs): Make it static.
10865 * function.h: Remove the prototype for init_virtual_regs.
10867 * recog.c (peephole2_optimize): Make it static.
10868 * recog.h: Remove the prototype for peephole2_optimize.
10870 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10872 * df-scan.c (df_record_entry_block_defs): Check if
10873 INCOMING_RETURN_ADDR_RTX is defined.
10875 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10876 Kenneth Zadeck <zadeck@naturalbridge.com>
10878 PR rtl-optimization/24762
10879 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10880 * targhooks.c (hook_void_bitmap): New hook prototype.
10881 * targhoohs.h (hook_void_bitmap): Ditto.
10882 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10883 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10884 * target.h (live_on_entry): New function pointer.
10885 * df-scan.c (df_all_hard_regs): Removed.
10886 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10887 (df_scan_free_internal): Added df->entry_block_defs.
10888 (df_scan_alloc): Ditto.
10889 (df_scan_dump): Ditto.
10890 (df_uses_record): Plumbed flag field properly thru calls.
10891 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10892 This part fixes PR24762.
10893 (df_bb_refs_record): Added code to make the frame and arg
10894 pointers live in EH blocks.
10895 (df_refs_record): Added call to df_record_entry_block_defs.
10896 (df_record_entry_block_defs): New function.
10897 * df-core.c: Added comments to describe new artifical defs.
10898 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10899 (entry_block_defs): New field in struct df.
10900 (df_all_hard_regs): Deleted.
10901 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10902 * df-problems.c (df_ru_bb_local_compute_process_def):
10903 Added code to handle artifical defs in the entry to a function.
10904 (df_ru_bb_local_compute): Ditto.
10905 (df_rd_bb_local_compute_process_def): Ditto.
10906 (df_rd_bb_local_compute): Ditto.
10907 (df_lr_bb_local_compute): Ditto.
10908 (df_ur_bb_local_compute): Ditto.
10909 (df_urec_bb_local_compute): Ditto.
10910 (df_chain_create_bb): Ditto.
10911 (df_ur_local_finalize): Removed entry.
10912 (df_urec_init): Ditto.
10913 (df_urec_local_finalize): Ditto.
10914 (df_ri_bb_compute): Added detection of last use of pseudos.
10915 * Makefile.in (df-scan.o): Updated dependencies.
10916 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10917 * config/mips/mips.c (mips_set_live_on_entry): Added.
10918 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10920 * dce.c (marked_insn_p): Added code to handle artifical defs.
10922 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10924 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10926 (_mm_cvtsi128_si64): Likewise.
10927 (_mm_cvtsd_si64): Likewise.
10928 (_mm_cvttsd_si64): Likewise.
10929 (_mm_cvtsi64_sd): Likewise.
10930 (_mm_cvtsi64_si128): Likewise.
10931 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10932 (_mm_cvtsi64_m64): Likewise.
10933 (_m_to_int64): Likewise.
10934 (_mm_cvtm64_si64): Likewise.
10935 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10936 (_mm_cvttss_si64): Likewise.
10937 (_mm_cvtsi64_ss): Likewise.
10938 (_mm_cvtss_f32): Likewise.
10940 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10942 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10943 for pragma redefine_extname.
10945 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10948 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10949 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10950 -mno-minimal-toc to previous content.
10951 (bispecs): Remove goal.
10952 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10953 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10954 compatibility aliases on powerpc-*-*gnu*.
10955 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10956 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10957 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10958 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10959 (ldblspecs): New goal.
10960 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10961 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10963 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10964 L_sf_to_tf or L_df_to_tf is defined.
10966 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10967 Alan Modra <amodra@bigpond.net.au>
10970 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10971 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10972 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10973 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10974 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10975 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10976 (rs6000_override_options): Initialize rs6000_ieeequad.
10977 Initialize TFmode format to ibm_extended_format if not
10979 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10981 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10982 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10983 (function_arg_advance): IBM long double passed in two FPRs, not
10985 (function_arg): IBM long double passed in FPRs.
10986 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10987 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10988 Only multireg GPR aligned.
10989 (rs6000_init_libfuncs): Enable IBM long double functions if not
10991 (rs6000_generate_compare): Use IBM long double compare if not
10993 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10994 (TARGET_IEEEQUAD): Define.
10995 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10996 not TARGET_IEEEQUAD.
10997 * config/rs6000/rs6000.md: Enable TFmode patterns if
10999 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11000 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11001 and -mlong-double-128 are incompatible.
11002 * doc/invoke.texi (-mabi): Collect options together. Add
11003 ibmlongdouble and ieeelongdouble.
11005 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11007 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11009 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11010 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11011 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11012 * rtl.h (rtunion_def): Remove rt_ptr.
11014 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11015 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11016 * config/i386/winnt.c (i386_pe_mark_dllexport)
11017 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11019 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11021 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11023 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11027 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11028 pthread_key_delete. From John David Anglin. gthrw-ify
11029 pthread_getunique_np only if it it's not a macro. Delete
11031 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11032 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11033 __gthread_objc_condition_signal, __gthread_key_delete): Add
11034 "__attribute__ ((__unused__))" to unused arguments.
11035 (__gthread_recursive_mutex_init_function): Add missing return.
11036 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11037 gthr-posix95.h: Use macro-based approach for name redirection
11038 on targets missing weakref.
11040 2006-01-26 Zack Weinberg <zackw@panix.com>
11042 * genconditions.c (write_header): In generated code, #ifdef out
11043 all includes and fake declarations, except includes of bconfig.h
11044 and system.h, unless GCC_VERSION >= 3001. Do not include
11045 gensupport.h in any case.
11046 (write_conditions): Generate a definition of struct c_test. Add
11047 a comment to the generated #endif.
11048 (write_one_condition): Escape backslashes in string too.
11049 (write_writer): Generated code must escape backslashes and quote
11050 marks (but not newlines) in the strings it writes.
11051 * Makefile.in (build/gencondmd.o): Update dependencies.
11053 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11056 * Makefile.in (insn-automata.o): Add header file dependencies.
11057 * genautomata.c: Add includes.
11059 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11062 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11064 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11066 * configure.ac: Expect target tools paths to be passed from the toplevel
11067 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11069 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11071 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11074 * c.opt (Wpointer-sign): Init to -1.
11075 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11076 OPT_pedantic, to 0 otherwise.
11077 * doc/invoke.texi: Update.
11079 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11081 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11082 constants provided by 80387 instructions in the destination mode.
11084 2006-01-26 Richard Guenther <rguenther@suse.de>
11085 Andrew Pinski <pinskia@physics.uc.edu>
11088 partial PR tree-opt/17064
11089 * tree-ssa-structalias.c (intra_create_variable_infos):
11090 Create heap variables for incoming parameters if
11091 flag_argument_noalias > 1.
11092 (find_what_p_points_to): Look through default defs of
11095 2006-01-26 Jeff Law <law@redhat.com>
11098 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11099 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11100 within the VR_RANGE, use the VR_RANGE as the result, not the
11102 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11103 bounds for the type.
11105 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11107 * tree-ssa-alias.c (maybe_create_global_var): Change
11108 subvar walking to an assertion that we don't have subvar'd variables.
11110 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11113 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11114 Use a new variable, inner. PARM_DECLs are always non-weak.
11116 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11118 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11119 --disable-checking.
11121 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11123 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11125 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11127 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11128 (smax_insn, smin_insn, smax_0, smin_0): New.
11130 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11133 * config/cris/cris.c (cris_order_for_addsi3): New function.
11134 * config/cris/cris-protos.h: Prototype it.
11135 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11136 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11137 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11138 (split for "op.S1 [rx=rx+i],ry (swapped)")
11139 (split for "op(s|u).S1 [rx=rx+i],ry")
11140 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11141 Apply cris_order_for_addsi3 when generating addsi3 insns.
11143 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11145 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11146 (TREE_BLOCK): Add call to EXPR_CHECK.
11148 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11151 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11152 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11153 (dump_omp_clauses): ... here.
11154 (dump_generic_node): Handle OMP_CLAUSE.
11155 * tree.c (omp_clause_num_ops): New.
11156 (omp_clause_code_name): New.
11157 (tree_code_size): Handle OMP_CLAUSE.
11158 (tree_size): Likewise.
11159 (make_node): Document handling of OMP_CLAUSE.
11160 (tree_node_structure): Handle OMP_CLAUSE.
11161 (omp_clause_check_failed): New.
11162 (omp_clause_range_check_failed): New.
11163 (omp_clause_operand_check_failed): New.
11164 (build_omp_clause): New.
11165 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11166 * tree.h (enum omp_clause_code): Declare.
11167 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11168 (OMP_CLAUSE_RANGE_CHECK): Define.
11169 (OMP_CLAUSE_ELT_CHECK): Define.
11170 (omp_clause_check_failed): Declare.
11171 (omp_clause_operand_check_failed): Declare.
11172 (omp_clause_range_check_failed): Declare.
11173 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11174 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11175 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11176 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11177 (OMP_CLAUSE_IF_EXPR): Likewise.
11178 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11179 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11180 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11181 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11182 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11183 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11184 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11185 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11186 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11187 (OMP_CLAUSE_CODE): Define.
11188 (OMP_CLAUSE_SET_CODE): Define.
11189 (OMP_CLAUSE_CODE): Define.
11190 (OMP_CLAUSE_OPERAND): Define.
11191 (struct tree_omp_clause): Declare.
11192 (union tree_node): Add field 'omp_clause'.
11193 * treestruct.def (TS_OMP_CLAUSE): Define.
11194 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11195 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11196 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11197 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11198 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11199 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11200 (OMP_CLAUSE): Define.
11201 * print-tree.c (print_node): Handle OMP_CLAUSE.
11202 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11203 * c-typeck.c: Likewise.
11204 * gimplify.c: Likewise.
11205 * c-omp.c: Likewise.
11206 * tree-nested.c: Likewise.
11207 * tree-inline.c: Likewise.
11208 * c-parser.c: Likewise.
11209 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11212 2006-01-25 Roger Sayle <roger@eyesopen.com>
11214 PR rtl-optimization/25703
11215 * combine.c (try_combine): Handle zero_extract and strict_low_part
11216 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11218 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11220 * global.c: Fix comment typos.
11222 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11225 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11226 Use output_addr_const instead of assemble_name.
11228 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11230 * Makefile.in (sched-vis.o): Update dependencies.
11231 * haifa-sched.c (sched_finish): Clear current_sched_info.
11232 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11233 (dump_flow_info): Call it.
11234 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11236 * basic-block.h (dump_bb_info): Declare.
11237 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11238 option, and apply options only for dump files whose TDF_RTL,
11239 TDF_TREE, or TDF_IPA bits match.
11240 * rtl.h: Declare new functions exported from sched-vis.c.
11241 * sched-vis.c: Enable also if scheduling is not used.
11242 (print_value): Print the mode of registers if not inside scheduling.
11243 (print_insn): Make it work outside the scheduler. Beautify the output
11245 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11247 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11249 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11250 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11251 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11252 depending on the value of CONSTANT_POOL_ADDRESS_P.
11253 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11255 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11256 rather than SYMBOL_REF_DECL.
11257 (rtx_constant_pool): Remove const_rtx_sym_htab.
11258 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11259 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11260 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11261 Remove handling of const_rtx_sym_htab.
11262 (find_pool_constant): Delete.
11263 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11264 rather than find_pool_constant.
11265 (get_pool_constant_for_function): Delete.
11266 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11267 find_pool_constant.
11268 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11269 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11270 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11271 (SYMBOL_REF_CONSTANT): New macro.
11272 (get_pool_constant_for_function): Delete.
11273 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11274 rather than SYMBOL_REF_DECL.
11275 (i386_pe_mark_dllimport): Likewise.
11276 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11277 rather than SYMBOL_REF_DECL.
11278 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11279 (machopic_indirect_call_target): Likewise.
11281 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11283 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11285 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11287 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11289 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11291 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11293 2006-01-24 David Daney <ddaney@avtrex.com>
11296 * configure.ac (enable_tls): New enable option.
11297 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11298 * configure: Regenerate.
11299 * doc/install.texi (--enable-tls): Document new option.
11300 (--disable-tls): Ditto.
11302 2006-01-24 Richard Henderson <rth@redehat.com>
11304 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11305 * alias.c (true_dependence): Respect it.
11306 (canon_true_dependence, write_dependence_p): Likewise.
11307 * builtins.c (get_builtin_sync_mem): Set it.
11309 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11311 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11314 2006-01-24 DJ Delorie <dj@redhat.com>
11316 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11317 for storing constants in single-bit bitfields.
11319 2006-01-25 Ben Elliston <bje@au.ibm.com>
11321 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11323 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11326 * tree-ssa-pre.c (phi_translate): Return NULL
11327 for AGGREGATE_TYPE's.
11329 2006-01-24 Zack Weinberg <zackw@panix.com>
11331 * genautomata.c (process_state_for_insn_equiv_partition):
11332 Use xcalloc for insn_arcs_array.
11333 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11334 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11336 2006-01-24 Richard Henderson <rth@redhat.com>
11338 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11339 update all callers.
11341 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11343 PR rtl-optimization/25890
11344 PR rtl-optimization/25905
11345 * combine.c (expand_compound_operation, expand_field_assignment):
11346 Fail if the bitfield's final position is out of bounds.
11348 2006-01-24 Ian Lance Taylor <ian@airs.com>
11350 PR middle-end/25930
11351 * cgraphunit.c (cgraph_output_in_order): Don't clear
11352 cgraph_asm_nodes until after asm strings have been output.
11354 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11356 * fix-header.c (read_scan_file): Add new parameter imultilib when
11357 calling register_include_chains.
11359 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11361 * omp-low.c: Update documentation.
11363 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11364 Daniel Berlin <dberlin@dberlin.org>
11368 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11369 return from the function.
11371 2006-01-22 Zack Weinberg <zackw@panix.com>
11373 * rtl.def (match_code): Add second argument.
11374 * genpreds.c (write_extract_subexp): New function.
11375 (write_match_code): Add path argument. Use write_extract_subexp.
11376 (write_predicate_expr): Pass path to write_match_code.
11377 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11378 not perform a mode test.
11379 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11380 a subexpression does not constrain the top-level code set.
11381 * read-rtl.c (read_rtx_variadic): New function.
11382 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11383 * doc/md.texi: Document new notation.
11384 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11385 (cmpsi_operand): ... here, using new notation.
11387 2006-01-22 Zack Weinberg <zackw@panix.com>
11389 * varray.c: Remove GENERATOR_FILE #ifdefs.
11391 2006-01-22 Zack Weinberg <zackw@panix.com>
11393 * genautomata.c (output_reserved_units_table): Emit nothing if
11394 description->query_units_num is zero. Remove extra blank line.
11395 (output_cpu_unit_reservation_p): Short circuit
11396 if description->query_units_num is zero.
11398 2006-01-22 Zack Weinberg <zackw@panix.com>
11400 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11401 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11402 nor any of the random handful of variables that used to be necessary
11403 when this program was linked with rtlanal.o. Prune set of forward
11404 function declarations.
11405 (struct attr_desc): Remove static_p field.
11406 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11407 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11408 (attr_string): Do not read the character one past the length of
11410 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11411 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11412 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11413 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11414 (make_automaton_attrs): New.
11415 (main): Do not call into genautomata. Call local gen_bypass
11416 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11417 Remove special case for insn_alts.
11418 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11419 varray.h (leftover from previous change). Prune set of forward
11420 function declarations. Remove state_alts fields from all
11421 structures. Remove state_alts_table from struct automaton.
11422 Make everything except main static. Do not maintain num_dfa_decls.
11423 Do not maintain state_alts fields of various structures.
11424 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11425 (add_arc): Remove state_alts argument. All callers updated.
11426 (output_reserved_units_table): Emit #ifdef here...
11427 (output_tables): ...not here. Don't generate state_alts tables.
11428 (expand_automata): Don't generate attributes.
11429 (write_automata): Don't generate state_alts functions.
11430 (main): New function.
11431 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11432 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11433 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11434 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11435 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11436 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11437 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11438 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11440 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11441 * genattrtab.h: Delete file.
11442 * Makefile.in (OBJS-common): Add insn-automata.o.
11443 (insn-automata.o): New rule.
11444 (simple_generated_c): Add insn-automata.c.
11445 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11446 (genprogmd): Add automata.
11447 (build/genattrtab): Needs no extra objects nor libraries.
11448 (build/genautomata): Needs build/vec.o and -lm.
11450 2006-01-22 Zack Weinberg <zackw@panix.com>
11452 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11453 (output_dfa_max_issue_rate, locked_states_num): Delete.
11454 (struct automaton): Add locked_states field.
11455 (output_dead_lock_vect): Save number of locked states in
11456 automaton->locked_states. If it is zero, don't print anything.
11457 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11458 (output_internal_dead_lock_func): Only test the dead_lock_vect
11459 for automata that have locked states.
11460 (output_statistics): Always print the number of locked states for
11461 each automaton. Calculate total number of locked states here.
11462 (write_automata): Don't call output_dfa_max_issue_rate.
11463 * genattrtab.c: Define length_unit_log as a const variable.
11464 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11465 max_insn_queue_index const.
11466 * final.c (length_unit_log): Declare const.
11467 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11469 2006-01-22 Zack Weinberg <zackw@panix.com>
11471 * genautomata.c: Include vec.h, not varray.h.
11472 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11473 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11474 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11475 VEC_* macros operating on appropriately typed vectors, or to
11476 malloced arrays when the size is known in advance. Const-ify
11477 many char* variables and function arguments. No functional changes.
11478 * Makefile.in (build/varray.o): Delete rule.
11479 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11480 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11482 2006-01-22 Zack Weinberg <zackw@panix.com>
11484 * gensupport.c: Define get_insn_name and record_insn_name here.
11485 (read_md_rtx): Call record_insn_name as appropriate.
11486 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11487 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11488 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11490 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11491 (BUILD_VARRAY): Delete.
11492 (genprognormal): Rename genprogmd. Fold in all programs from
11493 genprognoprint; also attrtab.
11494 (build/genattrtab): Just mention genautomata.o and varray.o.
11495 Reorganize a bit, add comments to make the categories clearer.
11497 2006-01-22 Zack Weinberg <zackw@panix.com>
11499 * genconditions.c (condition_table, add_condition): Delete.
11500 (write_conditions): Don't emit n_insn_conditions nor
11501 insn_elision_unavailable. Issue the gcc version #ifdef here,
11502 inside the table, with no #else clause ...
11503 (write_header): ...not here.
11504 (write_writer): New function.
11505 (main): Don't initialize condition_table. Use add_c_test.
11507 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11508 files on the command line.
11509 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11510 Return -1 if there is no entry in the table, don't abort.
11511 (add_c_test, traverse_c_tests): New functions.
11512 * gensupport.h (insn_elision_unavailable, insn_conditions)
11513 (n_insn_conditions): Delete declarations.
11514 (add_c_test, traverse_c_tests): Declare.
11515 * read-rtl.c: Include gensupport.h.
11516 (read_conditions): New function.
11517 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11518 (read_rtx_1): If we get EOF when we were looking for an initial
11519 open paren, return 0. Call read_conditions when appropriate.
11520 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11521 dummy-conditions.o. Eliminate references to insn-conditions.o,
11522 or change them to build/gencondmd.o, as appropriate. Remove
11523 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11524 from $(simple_generated_c). For all files remaining in those
11525 two lists, add insn-conditions.md to the generator command line.
11526 Give insn-constants.h/s-constants their own rules. Add rules
11527 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11528 (build/read-rtl.o): Depend on gensupport.h.
11529 (genprognormal): Include preds.
11530 (genprogearly): Rename genprognoprint; only difference is now that
11531 they don't link with $(BUILD_PRINT).
11532 * dummy-conditions.c: Delete.
11534 2006-01-22 Zack Weinberg <zackw@panix.com>
11536 * genextract.c: Don't include insn-config.h. Do include vec.h.
11537 Declare vectors of int, char, and locstr.
11538 (locstr): New typedef.
11539 (struct extraction): Make all array fields into bare pointers.
11540 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11541 (insn_code_number): Delete.
11542 (accum_extract): New struct.
11543 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11544 (gen_insn): Take insn_code_number as an argument. Use an
11545 accum_extract structure instead of loading data directly into
11546 a struct extraction, and having to know how big it might get.
11547 (walk_rtx): Operate entirely on an accum_extract structure.
11548 (print_path): Avoid unnecessary use of printf.
11549 (print_header): New function, split out of main. Distinguish
11550 more carefully between an unrecognizable insn and an insn that
11551 has the code number of a define_expand.
11552 (main): Pass insn_code_number to gen_insn. Call print_header
11553 only after parsing. Avoid unnecessary use of printf.
11554 * Makefile.in (build/vec.o): New rule.
11555 (build/genextract): Depend on build/vec.o.
11556 (build/genextract.o): Don't depend on insn-config.h.
11558 2006-01-22 Zack Weinberg <zackw@panix.com>
11560 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11561 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11562 practical. Eliminate per-generator-program link rules.
11564 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11566 PR middle-end/24437
11567 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11568 with a call expr to ...
11569 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11571 2006-01-23 Richard Guenther <rguenther@suse.de>
11573 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11574 before make_edge with conditional EDGE_TRUE_VALUE.
11576 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11577 Jan Hubicka <jh@suse.cz>
11578 Richard Guenther <rguenther@suse.de>
11580 PR rtl-optimization/25654
11581 * cfgexpand.c (aggregate_contains_union_type): New function.
11582 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11583 for structure variables that contain a union type.
11585 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11587 * gengtype.c (new_structure): Return the structure.
11588 (create_option): Add an extra "next" argument.
11589 (create_field): New function.
11590 (adjust_field_rtx_def): Use create_option and create_field.
11591 Remove a now-unnecessary call to find_structure.
11592 (adjust_field_tree_def): Likewise.
11593 (note_yacc_type): Remove an unnecessary call to find_structure.
11594 * gengtype.h (new_structure): Return the structure.
11595 (create_option): Add an extra argument.
11596 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11597 (option): Adjust calls to create_option.
11599 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11601 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11603 2006-01-22 Paul Brook <paul@codesourcery.com>
11604 Peter Barada <peter@the-baradas.com>
11606 * config/m68k/m68k.md: Add Coldfire FPU support.
11607 Define FP mode macro and associated attributes.
11608 Use it for float mode patterns.
11609 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11610 (LIBCALL_VALUE): Use m68k_libcall_value.
11611 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11612 (m68k_function_value): Ditto.
11613 (emit_move_sequence): Ditto.
11614 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11615 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11616 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11617 (MULTILIB_EXCEPTIONS): Ditto.
11618 * config/m68k/m68k.opt: Add mcfv4e.
11619 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11620 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11621 (m68k_output_function_prologue): Save ColdFire FPU registers.
11622 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11623 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11624 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11625 ColdFire FPU registers.
11626 (m68k_libcall_value, m68k_function_value): New functions.
11627 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11628 (LIBCALL_VALUE): Use m68k_libcall_value.
11629 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11630 (MASK_COLDFIRE): Add MASK_CFV4E.
11631 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11632 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11633 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11634 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11635 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11636 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11637 * doc/invoke.tex: Document -mcfv4e on m68k.
11639 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11641 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11644 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11647 * c-opts.c (c_common_handle_option): Don't include
11648 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11649 * doc/invoke.texi (C++ Dialect Options): Document that
11650 -Wnon-virtual-dtor is no longer included in -Wall.
11652 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11654 * gcov.c (print_version), gcov-dump.c (print_version),
11655 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11658 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11660 * df-scan.c (problem_SCAN): Added NULL reset function.
11661 (df_scan_reset_blocks): Added code to call reset block function
11662 (df_bb_refs_delete) Fixed comment.
11663 (df_insn_refs_delete): Made tolerant of deleting non existent info
11664 for dataflow problems that need to be reset.
11665 * df-core.c (df_set_blocks): Ditto.
11666 * df.h (struct df_problem): Added reset_fun.
11667 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11668 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11669 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11670 functions to clear out all references to def-use or use-def chains.
11672 2006-01-21 Ben Elliston <bje@au.ibm.com>
11674 * varasm.c (assemble_real): Initialise data array.
11676 2006-01-20 Paul Brook <paul@codesourcery.com>
11678 Merge from csl-arm-branch.
11679 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11680 * config/arm/arm.md (movdi): Force operands[1] to a register
11681 if we have a non-register source.
11682 (*arm_movdi, *movdf_soft_insn): Require that one of the
11683 operands be a register.
11684 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11685 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11687 2006-01-20 DJ Delorie <dj@redhat.com>
11689 * varasm.c (initializer_constant_valid_p): Allow pointers
11690 initialized from integer constants of lesser precision.
11691 (output_constant): Allow non-int-sized pointer modes to be
11692 initialized from integer constants.
11694 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11697 * cppdefault.h (struct default_include): Add multilib flag.
11698 * cppdefault.c (cpp_include_defaults): Set it.
11699 * c.opt (-imultilib): New option.
11700 * c-opts.c (imultilib): New.
11701 (c_common_handle_option): Handle -imultilib.
11702 (c_common_post_options): Likewise.
11703 * c-incpath.c (add_standard_paths, register_include_chains):
11705 * c-incpath.h (register_include_chains): Add extra parameter.
11706 * gcc.c (do_spec_1): Generate -imultilib option.
11707 (The Specs Language): Update %I description.
11708 (process_command): Update copyright notice.
11709 * doc/cppopts.texi (-imultilib): Document.
11710 * doc/invoke.texi (-imultilib): Include in option summary.
11711 (%I): Update specs documentation.
11713 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11715 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11717 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11719 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11722 2006-01-20 Richard Guenther <rguenther@suse.de>
11723 Steven Bosscher <stevenb.gcc@gmail.com>
11725 PR rtl-optimization/24626
11726 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11727 EDGE_TRUE_VALUE if in RTL mode.
11730 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11731 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11733 2006-01-20 Dirk Mueller <dmueller@suse.com>
11736 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11737 instead of a special NOP marker.
11738 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11739 NOP marker handling.
11740 * c-common.h (empty_body_warning): Add forward declaration.
11741 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11742 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11744 2006-01-20 Paul Brook <paul@codesourcery.com>
11746 * Makefile.in (lang_checks): Keep going if mkdir fails.
11748 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11750 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11751 be able to clean out basic block when not necessary.
11752 (df_scan_free): Fixed to properly delete information if df is
11753 unused before calling df_finish.
11754 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11755 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11757 (df_bb_refs_delete): New function.
11758 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11759 * df-core.c (df_set_blocks): Added code to properly clean out
11760 unused blocks if they are not part of the blocks to consider.
11761 Added additional null check.
11762 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11763 be able to clean out basic block when not necessary
11764 * df.h (df_free_bb_function): Ditto.
11765 (df_bb_refs_delete): New function.
11766 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11767 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11768 basic block parameter to be able to clean out basic block when not
11770 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11771 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11772 Fixed to properly delete information if df is unused before
11775 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11777 PR rtl-optimization/25799
11778 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11779 Corrected confluence operator to remove bits from op2 before oring
11780 with op1 rather than removing bits from op1.
11781 (df_ru_transfer_function): Corrected test on wrong bitmap which
11782 caused infinite loop. Both of these problems were introduced in
11783 the dataflow rewrite.
11785 2006-01-19 DJ Delorie <dj@redhat.com>
11787 * reload1.c (find_reload_regs): Note the details of reload
11788 failures in the dump file.
11789 (spill_failure): Likewise.
11791 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11793 * loop-iv.c: Include df.h and hashtab.h.
11794 (enum iv_grd_result): New enum.
11795 (DF_REF_IV, DF_REF_IV_SET): New macros.
11796 (struct biv_entry): New.
11797 (df, bivs): New global variables.
11798 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11799 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11801 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11802 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11803 analyzed_for_bivness_p, record_biv): New functions.
11804 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11805 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11806 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11808 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11810 (iv_number_of_iterations): Use new interface to iv analysis.
11811 * loop-unroll.c: Do not include varray.h.
11812 (analyze_iv_to_split_insn): Use new interface to iv
11814 * loop-unswitch.c (may_unswitch_on): Ditto.
11815 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11817 (df_bb_modify): Realloc tables to the new index.
11818 (df_find_use): New function.
11819 * df.h (df_find_use): Declare.
11820 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11822 * cfgloop.h (struct rtx_iv): Remove analysed field.
11823 (iv_get_reaching_def): Removed.
11824 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11825 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11826 (loop-iv.o): Add df.h and hashtab.h dependency.
11827 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11829 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11832 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11834 (__floatundisf, __floatundidf): Likewise.
11835 * libgcc2.h (IS_IBM_EXTENDED): Define.
11837 2006-01-19 DJ Delorie <dj@redhat.com>
11839 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11841 2006-01-19 Paul Brook <paul@codesourcery.com>
11843 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11844 as nothrow when unwinding tables are disabled.
11846 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11849 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11850 of bit-field" when in system header.
11852 2006-01-19 DJ Delorie <dj@redhat.com>
11854 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11855 the 16 bit shift limit of the m16c.
11857 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11860 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11861 * config/i386/i386.c (output_set_got): Output the label if we have one
11862 for the TARGET_DEEP_BRANCH_PREDICTION case.
11864 2006-01-19 Jan Hubicka <jh@suse.cz>
11865 H.J. Lu <hongjiu.lu@intel.com>
11866 Evandro Menezes <evandro.menezes@amd.com>
11868 * invoke.texi (generic): Document
11870 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11871 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11872 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11873 (x86_use_incdec, x86_pad_returns): New variables
11874 (TARGET_CPU_DEFAULT_generic): New constant
11875 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11876 (enum processor_type): Add generic32 and generic64.
11877 * i386.md (cpu attribute): Add generic32/generic64
11878 (movhi splitter): Behave sanely when both partial_reg_dependency and
11879 partial_reg_stall are set.
11880 (K8 splitters): Enable for generic as well.
11881 * predicates.md (incdec_operand): Use TARGET_INCDEC
11882 (aligned_operand): Avoid memory mismatch stalls.
11883 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11884 * ppro.md: Enable for generic32
11885 * i386.c (generic64_cost, generic32_cost): New.
11886 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11887 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11888 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11889 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11890 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11891 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11892 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11893 x86_accumulate_outgoing_args, x86_prologue_using_move,
11894 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11895 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11896 Enable for generic.
11897 (x86_use_incdec, x86_pad_returns): New.
11898 (override_options): Add generic32 and generic64, translate "generic"
11899 to generic32/generic64 and "i686" to "generic32", refuse
11900 "generic32"/"generic64" as arch target.
11901 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11902 (ix86_reorg): Honor PAD_RETURNS.
11904 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11906 * tree-pretty-print.c (dump_generic_node): Handle
11907 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11908 * cgraph.c (cgraph_expand_queue): Rename from
11909 cgraph_analyze_queue. Update all users.
11910 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11911 cgraph_expand_queue.
11912 (cgraph_expand_all_functions): Likewise.
11913 (cgraph_finalize_pending_functions): Remove. Update callers.
11915 * tree.h (OMP_DIRECTIVE_P): Define.
11916 (OMP_PARALLEL_FN): Define.
11917 (OMP_PARALLEL_DATA_ARG): Define.
11918 (OMP_SECTIONS_SECTIONS): Define.
11919 * tree-pass.h (pass_expand_omp): Declare.
11920 * omp-low.c (struct omp_region): Declare.
11921 (struct omp_context): Remove fields 'parallel_type',
11922 'parallel_start_ix' and 'parallel_start_additional_args'.
11924 (struct omp_for_data): Rename from struct expand_omp_for_data.
11925 (omp_regions): New static variable.
11926 (root_omp_region): New static variable.
11927 (find_omp_clause): Make static.
11928 (is_in_combined_parallel_ctx): Remove.
11929 (is_combined_parallel): New.
11930 (extract_omp_for_data): Move earlier in the file.
11931 (workshare_safe_to_combine_p): New.
11932 (get_ws_args_for): New.
11933 (determine_parallel_type): Move earlier in the file.
11934 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11936 (omp_copy_decl): Likewise.
11937 (create_omp_child_function): Likewise.
11938 (lookup_omp_region): New.
11939 (dump_omp_region): New.
11940 (debug_omp_region): New.
11941 (debug_all_omp_regions): New.
11942 (new_omp_region): New.
11943 (scan_omp_parallel): If parallel_nesting_level > 1, the
11944 directive is nested within another parallel directive.
11945 Set OMP_PARALLEL_FN.
11946 (scan_omp_for): Do not try to handle combined parallel+for
11948 Remove FIXME comment.
11949 (scan_omp_nested): Remove.
11950 (scan_omp_1): Do not call scan_omp_nested when
11951 parallel_nesting_level is > 1.
11952 Do not change the DECL_CONTEXT of local variables found.
11953 (lookup_decl_in_outer_ctx): New.
11954 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11955 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11956 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11957 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11958 If CTX is nested, lookup VAR in the outer context when
11959 building copy assignment.
11960 (lower_send_clauses): Rename from expand_send_clauses.
11961 If CTX is nested, lookup VAR in the outer context when
11962 building copy assignments.
11963 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11964 If CTX is nested, lookup VAR in the outer context when
11965 building copy assignments.
11966 (expand_parallel_call): Rename from build_parallel_call.
11967 Handle combined parallel+workshare cases.
11968 Re-implement to emit code into the CFG.
11970 (expand_omp_parallel): Re-implement to emit code into the CFG.
11971 Call move_sese_region_to_fn to outline the sub-graph
11972 containing the parallel region.
11973 (expand_omp_for_1): Remove.
11974 (expand_omp_for_generic): Re-implement to emit code into the
11976 (expand_omp_for_static_nochunk): Likewise.
11977 (expand_omp_for_static_chunk): Likewise.
11978 (expand_omp_for): Likewise.
11979 (expand_omp_sections): Likewise.
11980 (remove_exit_barriers): New.
11981 (expand_omp_synch): New.
11983 (build_omp_regions_1): New.
11984 (build_omp_regions): New.
11985 (execute_expand_omp): New.
11986 (gate_expand_omp): New.
11987 (pass_expand_omp): Define.
11988 (lower_omp_sections): Rename from expand_omp_sections.
11989 Set OMP_SECTIONS_SECTIONS.
11990 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11991 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11992 (lower_omp_single): Rename from expand_omp_simple.
11993 (lower_omp_master): Rename from expand_omp_master.
11994 (lower_omp_ordered): Rename from expand_omp_ordered.
11995 (lower_omp_critical): Rename from expand_omp_critical.
11996 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11997 (lower_omp_for): Re-implement.
11998 (lower_omp_parallel): Re-implement.
11999 (lower_regimplify): Rename from expand_regimplify.
12000 (lower_omp_1): Rename from expand_omp_1.
12001 If there are syntax errors in the program, replace every
12002 OpenMP directive with NOP.
12003 Call lower_omp_* instead of expand_omp_*.
12004 (lower_omp): Rename from expand_omp.
12006 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12007 * tree-gimple.h (enum omp_parallel_type): Remove.
12008 (gimple_boolify): Declare extern.
12009 (find_omp_clause, determine_parallel_type): Remove.
12011 * gimple-low.c (lower_omp_directive): New.
12012 (lower_stmt): Call it.
12013 (record_vars_into): Move from ...
12014 (record_vars): ... here.
12015 Call record_vars_into with current_function_decl.
12017 * gimplify.c (struct gimplify_ctx): Remove fields
12018 combined_pre_p and combined_ctxp. Update users.
12019 (get_formal_tmp_var): Add documentation.
12020 (gimple_boolify): Make extern.
12021 (gimplify_expr_in_ctx): Remove. Update callers.
12022 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12023 will always be a BIND_EXPR.
12024 (gimplify_expr): Handle OMP_RETURN_EXPR.
12025 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12026 (OMP_PARALLEL): Add 3 operands.
12027 (OMP_SECTIONS): Add 1 operand.
12028 (OMP_RETURN_EXPR): Define.
12030 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12031 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12032 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12033 creating a circular free list.
12034 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12036 * tree-flow.h (move_sese_region_to_fn): Declare.
12037 (record_vars_into): Declare.
12038 * tree-cfg.c (make_omp_sections_edges): New.
12039 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12040 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12041 OMP_SECTIONS and OMP_SECTION.
12042 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12043 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12044 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12045 (gather_blocks_in_sese_region): New.
12046 (struct move_stmt_d): Declare.
12047 (move_stmt_r): New.
12048 (move_block_to_fn): New.
12049 (move_sese_region_to_fn): New.
12051 * passes.c (init_optimization_passes): Schedule
12052 pass_expand_omp after pass_init_datastructures.
12054 * tree-ssa-operands.c (get_expr_operands): Handle
12055 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12056 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12058 2006-01-19 Jeff Law <law@redhat.com>
12060 * tree-vrp.c (extract_range_from_assert): Refine the result range
12061 if the variable referenced by the ASSERT_EXPR has a range and
12062 either the tentative result range or the previous range is a
12065 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12067 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12069 2006-01-19 Jan Hubicka <jh@suse.cz>
12071 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12073 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12075 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12076 (expand_compound_operation, expand_field_assignment): Fail if the
12077 bit lengths of an extract operation are out of range.
12078 (make_extraction): Compute wanted_inner_mode based on the position
12079 and length of the extraction. Make it extraction_mode for non-constant
12080 positions, and do not modify offset in that case. When generating a
12081 new MEM, use a mode that can hold the extraction while keeping correct
12082 alignment. Remove code that supported MEMs wrapped by USEs.
12083 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12085 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12087 * config/s390/s390.md ("Y", "y"): New mode attribute.
12088 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12089 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12090 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12091 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12092 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12093 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12094 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12095 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12096 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12097 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12098 "addsi3", "subsi3"): Insn patterns removed.
12099 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12100 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12101 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12102 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12103 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12104 "*sub<mode>3_cconly2"): New insn patterns.
12105 ("addsi3", "subsi3"): New expanders.
12107 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12109 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12110 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12111 existing STMT_VINFO_VECTYPE if available.
12112 (vect_mark_relevant): Add special handling for stmts that are
12113 marked as STMT_VINFO_IN_PATTERN_P.
12114 (vect_analyze_loop): Call vect_pattern_recog.
12115 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12116 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12118 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12119 (vect_recog_func_ptr): New function-pointer type.
12120 * tree-vect-patterns.c: New file.
12121 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12122 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12123 (vect_pattern_recog_1): New functions.
12124 (vect_pattern_recog_funcs): New array of function pointers.
12126 * tree-vectorizer.h (ternary_op): New enum value.
12127 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12128 declaration. Revised documentation. Removed redundant dump prints.
12129 Removed redundant argument. Added support for reduction patterns.
12130 (vectorizable_reduction): Added support for reduction patterns.
12131 (vect_transform_stmt): Added support for patterns.
12133 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12134 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12135 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12136 (expand_widen_pattern_expr): New function.
12137 (init_optabs): Initialize new optabs udot_prod_optab,
12139 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12140 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12141 (expand_widen_pattern_expr): New function declaration.
12142 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12144 * tree-inline.c (estimate_num_insns_1): Added cases for new
12145 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12146 * tree-pretty-print.c (dump_generic_node): Likewise.
12147 (op_prio): Likewise.
12148 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12149 * tree-ssa-operands.c (get_expr_operands): Added case for
12151 * tree-vect-patterns.c (widened_name_p): New function.
12152 (vect_recog_dot_prod_pattern): Added function implementation.
12153 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12154 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12155 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12156 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12158 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12159 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12160 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12161 (init_optabs): Initialize new optabs widen_ssum_optab,
12163 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12164 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12165 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12166 use instead of type of def.
12167 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12168 function implementation.
12169 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12170 widen_ssumv8hi): New.
12172 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12175 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12178 * c-decl.c (add_flexible_array_elts_to_size): New function.
12179 (finish_decl): Use it.
12181 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12183 * diagnostic.h: Include options.h.
12184 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12185 dependancies for diagnostic.h.
12186 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12188 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12190 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12191 (ssa_ro_call_cache_valid): Ditto.
12192 * tree-ssa-alias.c (sort_tags_by_id): New function.
12193 (init_transitive_clobber_worklist): Ditto.
12194 (add_to_worklist): Ditto.
12195 (mark_aliases_call_clobbered): Ditto.
12196 (compute_tag_properties): Ditto.
12197 (set_initial_properties): Ditto.
12198 (compute_call_clobbered): Ditto.
12199 (compute_may_aliases): Call compute_call_clobbered and grouping.
12200 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12201 (compute_flow_insensitive_aliasing): Grouping now happens in our
12203 (setup_pointers_and_addressables): Remove clobbering related code.
12204 (add_may_alias): Ditto.
12205 (replace_may_alias): Ditto.
12206 (get_nmt_for): Ditto.
12207 (create_global_var):
12208 (is_escape_site): Return an escape_type enumeration.
12209 * tree-flow-inline.h (is_call_clobbered): Global var does not
12210 imply call clobbered.
12211 (mark_call_clobbered): Take a reason for marking this. Remove
12212 marking of globalness, and cache invalidation.
12213 (clear_call_clobbered): Remove cache invalidation code.
12214 * tree-dfa.c (dump_variable): If details is on, dump the reason
12216 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12218 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12219 (struct var_ann_d): Ditto.
12220 (enum escape_type): New.
12221 (mark_call_clobbered): Adjust prototype.
12222 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12223 are never call clobbered.
12224 Record reasons for escaping.
12225 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12226 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12227 (ssa_ro_call_cache_valid): Ditto.
12228 (clobbered_v_may_defs): Ditto.
12229 (clobbered_vuses): Ditto.
12230 (ro_call_vuses): Ditto.
12231 (clobber_stats): New.
12232 (init_ssa_operands): Zero out clobber stats.
12233 (fini_ssa_operands): Print out clobber stats.
12234 (get_call_expr_operands): Pass callee fndecl to
12235 add_call_read_ops).
12236 (add_call_clobber_ops): Remove use of cache.
12237 Add use of PURE_CONST information.
12238 (add_call_read_ops): Remove use of cache.
12239 Add use of static not_read information.
12241 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12243 Introduce TLS descriptors for i386 and x86_64.
12244 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12245 (TARGET_ANY_GNU_TLS): New macro.
12246 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12247 (struct machine_function): Add tls_descriptor_call_expanded_p.
12248 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12249 (ix86_current_function_calls_tls_descriptor): Likewise.
12250 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12251 (override_options): Introduce gnu2 tls dialect.
12252 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12254 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12256 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12257 (ix86_init_machine_status): Initialize new field.
12258 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12259 (ix86_tls_module_base): New.
12260 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12261 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12262 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12263 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12264 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12265 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12266 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12267 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12268 * config/i386/predicates.md (tls_modbase_operand): New.
12269 (tp_or_register_operand): New.
12271 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12273 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12274 (look_for_address_of): Ditto.
12275 (ipa_init): Walk the function decls.
12276 (static_execute): Don't set readonly on FUNCTION_DECL's.
12278 2006-01-18 Roger Sayle <roger@eyesopen.com>
12280 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12281 for shifts where the source and destination registers are different.
12283 2006-01-18 Paul Brook <paul@codesourcery.com>
12285 Merge from csl-arm-branch.
12286 2005-03-14 Julian Brown <julian@codesourcery.com>
12287 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12288 (aeabi_llsl): Likewise.
12289 (ashrdi3): Likewise.
12290 (aeabi_lasr): Likewise.
12291 (lshrdi3): Likewise.
12292 (aeabi_llsr): Likewise.
12293 2005-03-10 Julian Brown <julian@codesourcery.com>
12294 * config.gcc: Disable shared libgcc for SymbianOS.
12295 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12297 2006-01-18 DJ Delorie <dj@redhat.com>
12299 * c-pragma.c (handle_pragma_diagnostic): New.
12300 (init_pragma): Register it.
12301 * doc/extend.texi: Document it.
12303 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12304 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12305 (diagnostic_context): Add classify_diagnostic[].
12306 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12307 as errors if they're overridden to DK_WARNING.
12308 (diagnostic_initialize): Initialize classify_diagnostic[].
12309 (diagnostic_set_kind_override): New.
12310 (diagnostic_report_diagnostic): Check for kind changes.
12311 * opts.c (common_handle_option): Take lang_mask. Update callers.
12312 Handle OPT_Werror_.
12313 * common.opt (Werror=): New.
12314 * doc/invoke.texi: Document -Werror=*
12316 2006-01-18 Jeff Law <law@redhat.com>
12318 * tree-vrp.c (test_for_singularity): Correct test for new
12319 min limit. Use operand_equal_p rather than pointer equality
12320 for testing if new min/max values are equal.
12322 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12323 using range information until after propagation and folding.
12325 2006-01-18 Richard Henderson <rth@redhat.com>
12326 Aldy Hernandez <aldyh@redhat.com>
12327 Jakub Jelinek <jakub@redhat.com>
12328 Diego Novillo <dnovillo@redhat.com>
12330 * omp-low.c: New file.
12331 * c-omp.c: New file.
12333 2006-01-18 Richard Henderson <rth@redhat.com>
12334 Jakub Jelinek <jakub@redhat.com>
12335 Diego Novillo <dnovillo@redhat.com>
12337 * doc/invoke.texi: Document -fopenmp.
12338 * tree-dump.h (debug_function): Declare.
12339 * hooks.c (hook_bool_tree_bool_false): New function.
12340 (hook_tree_tree_null): Remove.
12341 (hook_tree_tree_tree_null): New.
12342 * hooks.h: Update to match.
12343 * tree-pretty-print.c (debug_tree_chain): New.
12344 (print_generic_expr): Handle TDF_CHAIN.
12345 (dump_generic_node): Handle BLOCK.
12346 Do not abort with incomplete SWITCH_EXPRs.
12347 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12348 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12349 print space after directive name.
12350 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12351 Handle OMP_MASTER and OMP_ORDERED.
12352 Handle printing of OMP_BODY just in one place, goto
12353 dump_omp_body in the rest of OMP_* nodes that have
12355 Don't handle clause nodes here. Update omp statements to
12356 use dump_omp_clauses.
12357 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12358 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12359 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12360 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12361 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12362 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12363 Adjust output for GOMP_PARALLEL.
12364 (dump_omp_clauses): New.
12365 (print_declaration): Dump DECL_VALUE_EXPR.
12366 (op_symbol_1): Split out of op_symbol.
12367 (dumping_stmts): Remove. Update all users.
12368 * cgraph.c (cgraph_analyze_queue): New.
12369 (cgraph_add_new_function): New.
12370 * cgraph.h (cgraph_analyze_queue): Declare.
12371 (cgraph_add_new_function): Declare.
12372 (cgraph_lower_function): Remove.
12373 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12374 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12375 and TYPE_P nodes in its default clause.
12376 (empty_body_p): New.
12377 (tree_range_check_failed): New.
12378 (build5_stat): New.
12379 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12380 OMP_CLAUSE_REDUCTION_MERGE,
12381 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12382 OMP_CLAUSE_PRIVATE_DEBUG,
12383 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12384 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12385 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12386 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12387 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12388 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12389 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12390 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12391 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12392 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12393 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12394 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12395 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12396 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12397 (TREE_RANGE_CHECK): New.
12398 (empty_body_p): Declare.
12399 (enum omp_clause_default_kind): New.
12400 (build_string_literal): Declare.
12401 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12402 (build5_stat, build5): Declare.
12403 * tree-pass.h (TDF_CHAIN): Define.
12404 * tree-pass.h (PROP_gimple_lomp): Define.
12405 (pass_lower_omp): Declare.
12406 * diagnostic.h (debug_tree_chain): Declare.
12407 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12409 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12410 * builtins.c (build_string_literal): Make extern.
12411 * gcc.c (include_spec_function): New.
12412 (static_spec_functions): Add it.
12413 (main): Move load of libgomp.spec ...
12414 (LINK_COMMAND_SPEC): ... here.
12415 (link_gomp_spec): New.
12416 (static_specs): Include it.
12417 (LINK_COMMAND_SPEC): Add link_gomp.
12418 (GOMP_SELF_SPECS): New.
12419 (driver_self_specs): Include it.
12420 (switch_matches): Don't mark inline.
12421 (main): Load libgomp.spec.
12422 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12423 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12424 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12425 * tree-gimple.h (enum omp_parallel): Declare.
12426 (determine_parallel_type): Declare.
12427 (omp_firstprivatize_variable): Declare.
12428 (omp_reduction_init): Declare.
12429 (diagnose_omp_structured_block_errors): Declare.
12430 (struct walk_stmt_info): Add want_return_expr.
12431 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12432 (find_omp_clause): Declare.
12433 (insert_field_into_struct): Declare.
12434 (struct walk_stmt_info): Move from tree-nested.c
12435 (walk_stmts): Declare.
12436 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12438 * cgraphunit.c (cgraph_lower_function): Make static.
12439 (cgraph_finalize_pending_functions): New.
12440 (cgraph_finalize_function): Call it.
12441 (cgraph_finalize_compilation_unit): Likewise.
12442 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12443 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12444 (BT_FN_UINT_UINT): New.
12445 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12446 DEF_FUNCTION_TYPE_VAR_4): Document.
12447 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12448 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12449 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12450 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12451 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12452 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12453 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12454 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12455 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12456 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12457 into separate files.
12458 (DEF_GOMP_BUILTIN): New.
12459 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12460 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12461 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12462 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12463 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12464 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12465 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12466 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12467 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12468 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12469 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12470 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12471 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12472 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12473 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12474 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12475 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12476 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12477 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12478 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12479 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12480 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12481 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12482 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12483 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12484 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12485 * sync-builtins.def: New file, moved from builtins.def.
12486 * omp-builtins.def: New file, moved from builtins.def.
12487 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12488 * gimple-low.c (lower_function_body): Clear data.
12489 (lower_stmt): Do not handle COMPOUND_EXPR.
12490 Remove call to print_node_brief.
12491 * c-tree.h (c_finish_omp_clauses): New prototype.
12492 (C_DECL_THREADPRIVATE_P): Define.
12493 (lookup_name_no_remap, c_omp_remap_private): Remove
12494 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12495 (check_for_loop_decls): Update decl.
12496 (lookup_name_no_remap, c_omp_remap_private): Declare.
12497 (build_indirect_ref, build_modify_expr, pushdecl,
12498 pushdecl_top_level): Move to c-common.h.
12499 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12500 before the switch, but just in the 2 places that need it.
12501 * c-decl.c (diagnose_mismatched_decls): Do not check for
12502 mismatched thread-local attributes when OLDDECL is marked
12503 threadprivate and NEWDECL has no thread-local attributes.
12504 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12505 (c_gimple_diagnostics_recursively): Rename from
12506 c_warn_unused_result_recursively. Invoke
12507 diagnose_omp_structured_block_errors.
12508 (check_for_loop_decls): Return a singular decl found.
12509 * langhooks.c (lhd_omp_predetermined_sharing): Return
12510 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12511 (lhd_omp_firstprivatize_type_sizes): New.
12512 (lhd_omp_assignment): New.
12513 (lhd_omp_predetermined_sharing): New.
12514 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12515 (struct lang_hooks_for_types): Add
12516 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12517 omp_predetermined_sharing, omp_disregard_value_expr,
12518 omp_private_debug_clause, omp_clause_default_ctor,
12519 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12520 (c_finish_omp_clauses): New.
12521 (c_finish_bc_stmt): Diagnose break within omp for.
12522 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12523 (build_unary_op): Return error_mark after reporting
12525 (build_modify_expr): Likewise.
12526 * gimplify.c: Include optabs.h and pointer-set.h.
12527 (enum gimplify_omp_var_data): Declare.
12528 (struct gimplify_omp_ctx): Declare.
12529 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12531 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12532 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12533 (splay_tree_compare_decl_uid): New.
12534 (new_omp_context): New.
12535 (delete_omp_context): New.
12536 (gimple_add_tmp_var): Call omp_add_variable.
12537 (gimplify_bind_expr): Likewise.
12538 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12539 true, disregard DECL_VALUE_EXPR on the decl if any.
12540 (gimplify_expr_in_ctx): New.
12541 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12542 omp_add_variable, omp_notice_variable, omp_is_private
12543 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12544 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12545 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12546 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12547 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12548 gimplify_omp_atomic): New.
12549 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12550 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12551 OMP_CRITICAL and OMP_ATOMIC.
12552 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12553 * c-pragma.h (enum pragma_kind): Add
12554 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12555 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12556 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12557 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12558 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12559 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12560 PRAGMA_OMP_THREADPRIVATE.
12561 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12562 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12563 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12564 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12565 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12566 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12567 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12568 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12569 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12570 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12571 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12572 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12573 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12575 (struct nesting_info): Add field_map,
12576 suppress_expansion, debug_var_chain.
12577 (create_nesting_tree): Initialize them.
12578 (lookup_field_for_decl): Use field_map.
12579 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12580 (convert_local_omp_clauses): New.
12581 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12582 (walk_body): Split out of walk_function.
12583 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12584 (convert_nonlocal_reference): Handle omp statements.
12585 (convert_local_reference): Likewise.
12586 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12587 (unnest_nesting_tree): New.
12588 (lower_nested_functions): Call it.
12589 (insert_field_into_struct): Make extern.
12590 (struct walk_stmt_info): Move to tree-gimple.h.
12591 (walk_stmts): Make extern.
12592 * omp-builtins.def: New file.
12593 * tree-iterator.c (expr_only): Clarify comment.
12594 * c-common.h (pushdecl_top_level, pushdecl,
12595 build_modify_expr, build_indirect_ref,
12596 c_finish_omp_master, c_finish_omp_critical,
12597 c_finish_omp_ordered, c_finish_omp_barrier,
12598 c_finish_omp_atomic, c_finish_omp_flush,
12599 c_finish_omp_for, c_split_parallel_clauses,
12600 omp_clause_default_kind, c_omp_sharing_predetermined,
12601 c_omp_remap_decl): Declare.
12602 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12603 (OBJS-common): Add omp-low.o.
12604 (c-omp.o, omp-low.o): Add.
12605 (gimplify.o): Add dependency on $(OPTABS_H).
12606 (GTFILES): Add omp-low.c.
12607 (gt-stringpool.h): Add.
12608 * tree-cfg.c (set_bb_for_stmt): Do not update the
12609 block-to-labels map if we are currently expanding to RTL.
12610 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12612 Handle IDENTIFIER_NODE.
12613 (tree_verify_flow_info): Do not ICE when emitting error
12614 messages about invalid labels.
12615 (dump_function_to_file): Reset CFUN before emitting the body
12617 (debug_function): New.
12618 * passes.c (init_optimization_passes): Schedule
12620 * langhooks-def.h (lhd_omp_predetermined_sharing,
12621 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12623 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12624 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12625 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12626 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12627 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12628 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12629 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12630 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12631 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12632 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12633 (LANG_HOOK_DECLS): Use them.
12635 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12636 Richard Henderson <rth@redhat.com>
12637 Jakub Jelinek <jakub@redhat.com>
12638 Diego Novillo <dnovillo@redhat.com>
12640 * c-parser.c (pragma_omp_clause): Define.
12641 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12642 (c_parser_compound_statement): Likewise.
12643 (c_parser_statement): Likewise.
12644 (c_parser_pragma): Handle omp pragmas.
12645 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12646 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12647 (c_parser_omp_clause_name, check_no_duplicate_clause,
12648 c_parser_omp_variable_list,
12649 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12650 c_parser_omp_clause_copyprivate,
12651 c_parser_omp_clause_default,
12652 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12653 c_parser_omp_clause_lastprivate,
12654 c_parser_omp_clause_nowait,
12655 c_parser_omp_clause_num_threads,
12656 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12657 c_parser_omp_clause_reduction,
12658 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12659 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12660 c_parser_omp_atomic, c_parser_omp_barrier,
12661 c_parser_omp_critical, c_parser_omp_flush,
12662 c_parser_omp_for_loop, c_parser_omp_for,
12663 c_parser_omp_master, c_parser_omp_ordered,
12664 c_parser_omp_sections_scope, c_parser_omp_sections,
12665 c_parser_omp_parallel, c_parser_omp_single,
12666 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12667 * c-pragma.c (init_pragma): Do omp pragma registration here.
12668 * c.opt (fopenmp): New flag.
12670 2006-01-18 Eric Christopher <echristo@apple.com>
12672 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12673 * config/darwin.h (GOMP_SELF_SPECS): Define.
12675 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12677 * rtl.h: Remove the prototype for reg_alloc.
12679 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12682 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12683 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12684 sjlj and dwarf2 exception handling.
12685 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12686 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12687 * pa/pa.c (function_value): Treat complex and vector types as
12689 (function_arg): Likewise. Only pass scalar floats in the floating
12690 point argument registers.
12691 * pa/t-slibgcc-dwarf-ver: New file.
12692 * pa/t-slibgcc-sjlj-ver: New file.
12693 * pa/t-slibgcc-elf-ver: Delete file.
12695 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12697 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12698 unlikely_test_section_p test.
12700 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12702 * mode-switching.c (optimize_mode_switching): Make it static.
12703 * basic-block.h: Remove the prototype for
12704 optimize_mode_switching.
12706 * modulo-sched.c (sms_schedule): Make it static.
12707 * rtl.h: Remove the prototype for sms_schedule.
12709 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12710 * rtl.h: Remove the prototype for gcse_after_reload_main.
12712 * reg-stack.c (reg_to_stack): Make it static.
12713 * rtl.h: Remove the prototype for reg_to_stack.
12715 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12717 * rtl.h: Remove the prototypes for regrename_optimize and
12718 copyprop_hardreg_forward.
12720 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12722 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12723 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12724 Test against the appropriate null constant for the mode.
12725 If 'fixup_overlap' is true, swap the operands if they overlap.
12726 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12727 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12728 alpha_split_tmode_pair and adjust for above change.
12729 * config/alpha/alpha.md (movtf_internal): Adjust call to
12730 alpha_split_tfmode_pair and rely on it to swap the operands.
12731 (movti_internal): New insn and post-reload splitter.
12732 (movti): New expander.
12734 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12736 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12739 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12741 * rtlanal.c (global_reg_mentioned_p_1,
12742 global_reg_mentioned_p): Remove.
12743 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12745 * flow.c (initialize_uninitialized_subregs): Make it static.
12746 * rtl.h: Remove the prototype for
12747 initialize_uninitialized_subregs.
12749 * function.c (instantiate_virtual_regs): Make it static.
12750 * function.h: Remove the prototype for
12751 instantiate_virtual_regs.
12753 * regmove.c (regmove_optimize, combine_stack_adjustments):
12755 * rtl.h: Remove the prototypes for regmove_optimize and
12756 combine_stack_adjustments.
12758 2006-01-17 Roger Sayle <roger@eyesopen.com>
12760 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12761 (size_cost): Encode costs in bytes so that a reg-reg addition is
12762 equivalent to COSTS_N_INSNS(1).
12763 (override_options): Use the size_cost.branch_cost as the default
12764 ix86_branch_cost when optimizing for size.
12766 2006-01-18 Ben Elliston <bje@au.ibm.com>
12768 * Makefile.in (D32PBIT_FUNCS): New.
12769 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12770 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12771 D64PBIT_FUNCS and D128PBIT_FUNCS.
12772 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12773 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12775 (decnumber_dep): Define.
12776 * doc/libgcc.texi (Decimal float library routines): New node.
12777 * config/dfp-bit.h, config/dfp-bit.c: New files.
12779 2006-01-18 Ben Elliston <bje@au.ibm.com>
12781 * expr.c (emit_move_change_mode): Always adjust addresses, not
12782 just during reload. Copy replacements only during reload.
12783 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12784 emit_move_via_integer.
12786 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12788 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12789 instead of $(srcdir) and ${srcdir}.
12791 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12794 PR middle-end/11135
12795 * arm.h (struct machine_function): Add pic_reg.
12796 * arm.c (arm_pic_register): Make unsigned.
12797 (arm_override_options): Only set arm_pic_register if
12798 TARGET_SINGLE_PIC_BASE.
12799 (use_return_insn): Only test for a pic register if it is fixed.
12800 (arm_compute_save_reg0_reg12_mask): Likewise.
12801 (thumb_compute_save_reg_mask): Likewise.
12802 (legitimate_pic_operand): Factor out some known invariants.
12803 (legitimize_pic_address): If we don't have a fixed pic register,
12804 then set up a pseudo in the function entry sequence. Handle the
12805 pic base being in a pseudo.
12806 (arm_load_pic_register): Handle the pic register being in a pseudo.
12807 (arm_expand_prologue): Only set up the pic register if it is fixed.
12808 (thumb_expand_prologue): Likewise.
12809 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12810 (pic_load_addr_based_insn): Likewise.
12811 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12814 2006-01-18 Ben Elliston <bje@au.ibm.com>
12816 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12817 decimal float modes for all floating point registers.
12819 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12820 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12822 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12825 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12826 even when the pointer is not NULL.
12828 2006-01-16 Ian Lance Taylor <ian@airs.com>
12830 * common.opt (ftoplevel-reorder): New option.
12831 * cgraph.c (cgraph_asm_nodes): New global variable.
12832 (cgraph_asm_last_node): New static variable.
12833 (cgraph_order): New global variable.
12834 (cgraph_create_node): Set new order field.
12835 (cgraph_varpool_node): Likewise.
12836 (decide_is_variable_needed): Return true if not
12837 flag_toplevel_reorder.
12838 (cgraph_add_asm_node): New function.
12839 * cgraph.h (struct cgraph_node): Add order field.
12840 (struct cgraph_varpool_node): Add order field.
12841 (struct cgraph_asm_node): Define.
12842 (cgraph_asm_nodes, cgraph_order): Declare.
12843 (cgraph_add_asm_node): Declare.
12844 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12846 (cgraph_varpool_assemble_pending_decls): Call it.
12847 (cgraph_output_pending_asms): New static function.
12848 (cgraph_finalize_compilation_unit): Call it.
12849 (struct cgraph_order_sort): Define.
12850 (cgraph_output_in_order): New static function.
12851 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12852 !flag_toplevel_reorder case.
12853 * c-parser.c: Include "cgraph.h".
12854 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12856 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12857 than -fno-unit-at-a-time.
12858 * doc/invoke.texi (Option Summary): Mention
12859 -fno-toplevel-reorder.
12860 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12861 -funit-at-a-time documentation.
12863 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12864 Kazu Hirata <kazu@codesourcery.com>
12866 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12868 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12870 * Makefile.in (FUNCTION_H): New. Use it instead of
12871 function.h throughout the file.
12872 * function.h: Include tree.h.
12874 2006-01-17 Ben Elliston <bje@au.ibm.com>
12876 * recog.c: Separate some functions with whitespace.
12878 2006-01-16 Richard Henderson <rth@redhat.com>
12880 Merge from gomp branch:
12881 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12882 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12883 and rename from struct inline_data. Rename callee* to dst*;
12884 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12885 transform_new_cfg, transform_return_to_modify, and
12886 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12888 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12889 (copy_decl_for_dup): Remove.
12890 * tree-inline.c (struct inline_data): Move to header.
12891 (insert_decl_map): Export.
12892 (remap_decl): Update for member name changes. Use copy_decl hook.
12893 Allow for replacement to be a non-decl. Remove dead code.
12894 (remap_type_1): Check for existing mapping.
12895 (remap_type): Export.
12896 (remap_decls): Update for member name changes.
12897 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12898 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12899 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12900 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12901 (tree_function_versioning, build_duplicate_type): Likewise.
12902 (copy_body_r): Likewise. Export.
12903 (copy_decl_for_dup): Split into ...
12904 (copy_decl_for_dup_finish, copy_decl_to_var,
12905 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12906 (replace_ref_tree, inlining_p): Remove.
12908 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12910 * ifcvt.c (if_convert): Make it static.
12911 * rtl.h: Remove the prototype for if_convert.
12913 * local-alloc.c (local_alloc): Make it static.
12914 * rtl.h: Remove the prototype for local_alloc.
12916 * loop.c (loop_optimize): Make it static.
12917 * cfgloop.h: Remove the prototype for loop_optimize.
12920 2006-01-16 DJ Delorie <dj@redhat.com>
12922 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12925 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12927 * pa.md: Disparage copies between general and floating-point registers
12928 in 32-bit move patterns.
12930 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12933 * Makefile.in (check-%): Depend on site.exp instead of
12934 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12937 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12939 * global.c (global_alloc): Make it static.
12940 * rtl.h: Remove the prototype for global_alloc.
12942 2006-01-16 Richard Guenther <rguenther@suse.de>
12944 * tree-ssa-alias.c (struct used_part): Add write_only field.
12945 (get_or_create_used_part_for): Initialize it to true.
12946 (create_overlap_variables_for): Don't create structure variables
12947 for structures that only are written to.
12948 (find_used_portions): Handle MODIFY_EXPR to track whether a
12949 structure is only written to.
12951 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12953 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12955 * basic-block.h: Remove the prototype for
12956 partition_hot_cold_basic_blocks.
12958 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12960 * cppspec.c (lang_specific_spec_functions): Remove.
12961 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12962 * gcc.h (lang_specific_spec_functions): Remove.
12963 * gccspec.c (lang_specific_spec_functions): Remove.
12965 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12967 * combine.c (record_value_for_reg): Invalidate registers
12969 (record_dead_and_set_regs_1): Likewise, by passing them to
12970 record_value_for_reg.
12971 (record_dead_and_set_regs): Invalidate stores made by a
12972 call. We do not combine across a call, but we still
12973 relied on equivalences.
12975 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12977 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12978 vrp_int_const_binop returning non-constant nodes.
12980 2006-01-16 Paul Brook <paul@codesourcery.com>
12982 * config/m68k/m68k.c (output_move_const_into_data_reg):
12983 Output correct mnemonic for mvz and mvs.
12985 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12987 * rtl-factoring.c: Add sequence abstraction algorithm.
12988 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12989 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12991 (block_has_preserve_label): New function.
12992 * common.opt: Register new pass.
12993 * Makefile.in: Ditto.
12995 * timevar.def: Ditto.
12996 * tree-pass.h: Ditto.
12997 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12998 * rtl.h (make_jump_insn_raw): Add forward decl.
12999 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13001 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13002 Roger Sayle <roger@eyesopen.com>
13004 * fold-const.c (fold_minmax): New static function.
13005 (fold_binary) <MIN_EXPR>: Call it.
13006 <MAX_EXPR>: Likewise.
13007 * stor-layout.c (place_field): Use DECL_SIZE consistently
13008 in the computation of the new record size.
13010 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13012 * cse.c (cse_condition_code_reg): Make it static.
13013 * rtl.h: Remove the prototype for cse_condition_code_reg.
13015 * combine.c (combine_instructions): Make it static.
13016 * rtl.h: Remove the prototype for combine_instructions.
13018 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13021 * tree.c (get_file_function_name_long): Concatenate the first global
13022 object name with a string derived from the input filename of the object
13025 2006-01-16 Ben Elliston <bje@au.ibm.com>
13027 * config/i386/winnt-stubs.c: Update FSF address.
13028 * config/xtensa/ieee754-df.S: Ditto.
13029 * config/xtensa/ieee754-sf.S: Ditto.
13031 2006-01-14 Ian Lance Taylor <ian@airs.com>
13033 * ifcvt.c (noce_init_if_info): New static function, broken out of
13034 noce_process_if_block.
13035 (noce_process_if_block): Call noce_init_if_info.
13036 (check_cond_move_block): New static function.
13037 (cond_move_process_if_block): New static function.
13038 (process_if_block): Call cond_move_process_if_block.
13040 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13042 * cselib.c (hash_table): Rename to cselib_hash_table.
13043 (cselib_clear_table, discard_useless_values,
13044 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13045 cselib_init, cselib_finish): Adjust uses of hash_table.
13047 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13049 PR tree-optimization/25485
13050 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13051 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13052 is known to be false and true, respectively.
13054 2006-01-14 Richard Guenther <rguenther@suse.de>
13056 PR tree-optimization/22548
13057 PR tree-optimization/22555
13058 PR tree-optimization/22501
13059 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13060 * params.def (salias-max-array-elements): New parameter.
13061 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13062 * doc/invoke.texi (salias-max-array-elements): Document.
13063 * tree-flow-inline.h (var_can_have_subvars): We also handle
13065 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13067 * tree-ssa-structalias.c (params.h): Include.
13068 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13069 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13070 (get_constraint_for): For ADDR_EXPR operating on something
13071 containing an ARRAY_REF, add all subvars to the solution.
13072 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13073 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13074 for creating MUST_DEFs.
13075 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13077 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13079 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13081 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13082 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13083 number_of_iterations_le): New functions.
13084 (number_of_iterations_special): Removed.
13085 (number_of_iterations_exit): Do not use number_of_iterations_special.
13086 * tree.c (unsigned_type_for): Always return integer type.
13088 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13089 Richard Guenther <rguenther@suse.de>
13091 PR rtl-optimization/24257
13092 * gcse.c (find_moveable_store): Only consider a store movable
13093 when the SET_SRC of the insn can be assigned to a register.
13095 2006-01-14 Ian Lance Taylor <ian@airs.com>
13097 * tree.c (tree_not_class_check_failed): New function.
13098 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13099 (tree_not_class_check_failed): Declare.
13101 2006-01-13 Ian Lance Taylor <ian@airs.com>
13103 * reload1.c (do_output_reload): Add assertion rejecting a
13106 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13108 * combine.c (struct reg_stat): Add new fields truncation_label and
13110 (record_value_for_reg): Reset truncated_to_mode.
13111 (record_truncated_value): New function.
13112 (check_promoted_subreg): Call it. Rename to check_conversions.
13113 (combine_instructions): Rename check_promoted_subreg to
13115 (reg_truncated_to_mode): New function.
13116 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13117 (gen_lowpart_or_truncate): New function.
13118 (force_to_mode): Use it instead of gen_lowpart.
13120 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13122 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13123 VAR is a tag, not its type tag.
13125 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13127 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13128 alternatives to match style of other entries.
13129 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13131 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13133 PR tree-optimization/25771
13134 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13137 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13140 * tree-inline.c (declare_return_variable): If the return variable
13141 was marked as a non gimple complex, set the return slot variable
13142 to be a non gimple comple variable.
13144 2006-01-13 Richard Guenther <rguenther@suse.de>
13146 * builtins.c (expand_builtin_sincos): New function.
13147 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13149 (expand_builtin): Expand sincos using expand_builtin_sincos.
13151 2006-01-12 DJ Delorie <dj@redhat.com>
13153 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13154 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13155 so that constant shifts can be split.
13156 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13157 (m32c_valid_pointer_mode): Make static.
13158 (shift_gen_func_for): New.
13159 (m32c_prepare_shift): Use it. Split large const shifts into
13161 * config/m32c/predicates.md (shiftcount_operand): Allow more
13163 (longshiftcount_operand): New.
13164 * doc/md.texi (Machine Constraints): Document In6.
13166 2006-01-13 Ben Elliston <bje@au.ibm.com>
13168 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13169 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13172 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13174 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13175 to try to avoid clobbering pieces of structures when we know
13176 something about the whole structure.
13177 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13179 2006-01-13 Ben Elliston <bje@au.ibm.com>
13181 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13182 return in memory, as this is no limitation is no longer present.
13184 2006-01-12 DJ Delorie <dj@redhat.com>
13186 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13187 mova with fb, and for fb+0 -> An.
13189 * config/m32c/mov.md (peephole2): Fix enabling logic.
13191 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13192 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13193 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13194 FINI_ARRAY_SECTION_ASM_OP): Define.
13196 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13198 (m32c_legitimize_reload_address): New logic to reload FB to An.
13199 (m32c_output_reg_push): Add newline.
13200 (m32c_output_reg_pop): Likewise.
13202 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13204 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13206 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13208 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13210 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13212 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13215 2006-01-11 Ben Elliston <bje@au.ibm.com>
13217 * rtlanal.c (find_reg_note): Assert insn is not null.
13219 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13221 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13224 2006-01-11 Jeff Law <law@redhat.com>
13226 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13228 (mark_threaded_blocks, register_jump_thread): New functions.
13229 (thread_through_all_blocks): Remove unwanted argument. No
13230 longer rely on e->aux to communicate thread target info.
13231 Call mark_threaded_blocks. Release the threaded_blocks
13232 bitmap and threaded_edges vector when complete.
13233 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13234 (threaded_blocks): Remove.
13235 (tree_ssa_dominator_optimize): Remove initialization and
13236 finalization of threaded_blocks. Simplify call to
13237 thread_through_all_blocks.
13238 (thread_across_edge): Call register_jump_thread rather than
13239 storing thread information into e->aux.
13240 (free_all_edge_infos): Simplify now that e->aux is no longer
13241 used to communicate with thread_through_all_blocks.
13242 * tree-flow.h (thread_through_all_blocks): Update prototype.
13243 (register_jump_thread): Prototype.
13245 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13247 * df-core.c (df_compact_blocks, df_bb_replace): Use
13248 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13250 2006-01-11 Richard Guenther <rguenther@suse.de>
13252 PR tree-optimization/25734
13253 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13254 stop propagation after successful propagation to the LHS.
13256 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13258 * basic-block.h (control_flow_graph): Change the type of
13259 x_basic_block_info to VEC(basic_block,gc) *.
13260 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13262 (SET_BASIC_BLOCK): New.
13263 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13264 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13265 * cfgbuild.c (find_basic_blocks): Likewise.
13266 * cfglayout.c (fixup_reorder_chain): Likewise.
13267 * cfgrtl.c (create_basic_block_structure,
13268 rtl_create_basic_block): Likewise.
13269 * ifcvt.c (find_if_case_1): Likewise.
13270 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13273 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13275 * Makefile.in: Removed rotted odf.c entry.
13277 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13280 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13281 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13282 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13283 output pattern modifier, not %e.
13284 * config/cris/cris.c (cris_op_str): Update comment about pattern
13286 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13287 before falling through into...
13288 <case 'E'>: Redefined from old 'e' case.
13290 2006-01-11 Jan Hubicka <jh@suse.cz>
13293 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13295 2006-01-11 Jan Hubicka <jh@suse.cz>
13297 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13298 * i386.c (x86_decompose_lea): Kill.
13299 (ix86_rtx_costs): Kill.
13301 2006-01-11 Jan Hubicka <jh@suse.cz>
13303 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13304 * cgraph.h (cgraph_node): Add inline_decl.
13305 (cgraph_insert_node_to_hashtable): Declare.
13306 (save_inline_function_body): Declare.
13307 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13309 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13310 (cgraph_function_versioning): Update call of tree_function_versioning.
13311 (save_inline_function_body): New function.
13312 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13313 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13314 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13315 (cgraph_default_inline_p): Likewise.
13316 (cgraph_decide_inlining_incrementally): Likewise.
13317 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13318 (copy_bb): Kill saving; do updating of clones.
13319 (copy_cfg_body): Kill saving.
13320 (initialize_inlined-parameters): Likewise.
13321 (expand_call_inline): Likewise.
13323 (tree_function_versioning): New parameter "update_clones".
13324 (inlining_p): Kill saving.
13325 * tree-inline.h (tree_function_versioning): Update prototype.
13326 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13329 2006-01-11 Ian Lance Taylor <ian@airs.com>
13331 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13332 Allow undoing set of machine mode.
13333 (do_SUBST): Use enums instead of is_int.
13334 (do_SUBST_MODE): New function.
13335 (SUBST_MODE): New macro.
13336 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13337 reg and trying to replace reg_regno_rtx with a new register.
13338 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13339 (simplify_set): Use SUBST_MODE.
13340 (distribute_notes): Remove code that tried to update reg notes
13341 for regno_reg_rtx changes.
13343 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13345 PR tree-optimization/23109
13346 PR tree-optimization/23948
13347 PR tree-optimization/24123
13349 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13350 * tree-cfg.c (single_noncomplex_succ): New.
13351 * tree-flow.h (single_noncomplex_succ): Declare it.
13352 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13353 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13354 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13355 insert_bb, register_division_in, insert_reciprocals,
13356 replace_reciprocal, free_bb): New.
13357 (execute_cse_reciprocals_1): Rewritten.
13358 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13359 Do not commit any edge insertion. Always compute dominators and
13360 create the allocation pool.
13361 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13362 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13363 * targhooks.c (default_min_divistions_for_recip_mul): New.
13364 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13365 * passes.c (init_optimization_passes): Run recip after tree loop
13367 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13369 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13370 Kenneth Zadeck <zadeck@naturalbridge.com>
13372 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13373 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13374 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13375 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13376 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13377 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13378 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13379 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13380 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13381 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13382 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13383 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13384 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13385 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13386 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13387 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13388 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13389 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13390 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13391 DF_SCAN_POST_ALLOC): New macros.
13392 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13393 df_free_bb_function, df_local_compute_function, df_init_function,
13394 df_dataflow_function, df_confluence_function_0,
13395 df_confluence_function_n, df_transfer_function,
13396 df_finalizer_function, df_free_function, df_dump_problem_function,
13397 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13398 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13399 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13400 df_urec_bb_info, ) New types.
13401 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13403 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13404 df_analyze_simple_change_some_blocks,
13405 df_analyze_simple_change_one_block, df_compact_blocks,
13406 df_bb_replace, df_bb_regno_last_use_find,
13407 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13408 df_insn_regno_def_p, df_find_def, df_find_use,
13409 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13410 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13411 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13412 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13413 debug_df_chain, df_get_dependent_problem, df_chain_create,
13414 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13415 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13416 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13417 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13418 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13419 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13420 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13421 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13422 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13423 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13424 df_reorganize_refs, df_set_state, df_hard_reg_init,
13425 df_read_modify_subreg_p) New public functions.
13426 * df-core.c: The core dataflow solver and glue routines for rtl
13428 (df_init, df_add_problem, df_set_blocks, df_finish,
13429 df_hybrid_search_forward, df_hybrid_search_backward,
13430 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13431 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13432 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13433 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13434 df_reg_defined, df_find_use, df_reg_used, df_dump,
13435 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13436 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13437 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13438 debug_df_useno, reset_df_after_reload): New functions.
13439 * df-scan.c: The scanning fuctions, once in df.c, completely
13440 rewritten so that they now fully model the functionality of
13441 register usage at the backend.
13442 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13443 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13444 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13445 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13446 df_get_artificial_defs, df_get_artificial_uses,
13447 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13448 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13449 df_refs_delete, df_reorganize_refs, df_set_state,
13450 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13451 df_def_record_1, df_defs_record, df_uses_record,
13452 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13453 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13454 df_record_exit_block_uses, df_hard_reg_init): New functions.
13456 * df-problems.c: Seven concrete dataflow problems that use the
13457 scanning in df-scan.c and are solved by the engine in df-core.c.
13458 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13459 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13460 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13461 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13462 df_ru_free_bb_info, df_ru_alloc,
13463 df_ru_bb_local_compute_process_def,
13464 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13465 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13466 df_ru_transfer_function, df_ru_free, df_ru_dump,
13467 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13468 df_rd_free_bb_info, df_rd_alloc,
13469 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13470 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13471 df_rd_transfer_function, df_rd_free, df_rd_dump,
13472 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13473 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13474 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13475 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13476 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13477 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13478 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13479 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13480 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13481 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13482 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13483 df_urec_mark_reg_use_for_earlyclobber,
13484 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13485 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13486 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13487 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13488 df_chain_create_bb_process_use, df_chain_create_bb,
13489 df_chain_finalize, df_chain_free, df_chains_dump,
13490 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13491 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13492 df_reg_lifetime): New functions.
13493 * df.c: Deleted file.
13494 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13495 consistent with new df api.
13496 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13497 rest_of_handle_sms): Ditto.
13498 * web.c (unionfind_union, union_defs, entry_register, web_main):
13500 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13501 invariant_expr_equal_p, find_defs, check_dependencies,
13502 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13503 free_inv_motion_data, move_loop_invariants): Ditto.
13504 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13505 Update dependencies.
13506 (odf.c): Added defective entry that was deleted later in day.
13507 * sched-deps.c (sched_analyze_1): Ditto.
13509 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13511 * tree-ssa-operands.c (get_expr_operands): Record addressable
13512 variables directly. Do not call add_stmt_operands for CONST_DECLs
13514 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13515 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13517 2006-01-11 Ben Elliston <bje@au.ibm.com>
13519 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13520 function returns true in the positive case.
13522 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13525 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13526 for SI, DI, SF and DF modes. Add alternatives to copy between
13527 general and floating point registers to the 32-bit patterns.
13528 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13529 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13530 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13531 generating 64-bit code.
13532 * config/pa/pa.c (output_move_double): Handle copies between general
13533 and floating registers.
13535 2006-01-10 Stuart Hastings <stuart@apple.com>
13537 * config/i386/i386.md (set_got): Update.
13538 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13539 (builtin_setjmp_receiver): Mach-O support.
13540 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13541 (GOT_SYMBOL_NAME): Define.
13542 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13543 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13544 * config/i386/i386.c (override_options): Revise for Darwin.
13545 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13546 support. (darwin_x86_file_end): New. (output_set_got): Add label
13547 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13548 * config/i386/i386-protos.h (output_set_got): Likewise.
13549 * config/darwin.c (machopic_legitimize_pic_address): Update
13552 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13554 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13555 when MODE isn't BLKmode.
13557 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13559 PR rtl-optimization/25367
13560 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13562 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13565 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13566 for a negative bound.
13568 2006-01-10 Richard Guenther <rguenther@suse.de>
13570 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13571 Never override with anything constraint.
13573 2006-01-10 Jan Beulich <jbeulich@novell.com>
13575 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13576 256 bits when optimize_size.
13578 2006-01-10 Jan Beulich <jbeulich@novell.com>
13580 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13582 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13583 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13586 2006-01-10 Ben Elliston <bje@au.ibm.com>
13588 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13590 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13591 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13592 (USE_FP_FOR_ARG): Reject decimal float modes.
13593 (function_arg_advance): Likewise.
13594 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13595 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13596 point types in AltiVec vectors.
13597 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13598 (rs6000_libcall_value): Likewise.
13600 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13602 * config/xtensa/ieee754-df.S: New file.
13603 * config/xtensa/ieee754-sf.S: New file.
13604 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13605 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13606 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13608 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13610 * config/sh/predicates.md (binary_float_operator,
13611 binary_logical_operator, commutative_float_operator,
13612 equality_comparison_operator, greater_comparison_operator,
13613 less_comparison_operator, logical_operator,
13614 noncommutative_float_operator, shift_operator,
13615 symbol_ref_operand, unary_float_operator): Remove redundant
13618 2006-01-09 Jeff Law <law@redhat.com>
13620 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13621 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13622 now unused arguments. Callers updated.
13623 (eliminate_redundant_computations): Remove now unused arguments,
13625 (local_fold): Remove, no longer used.
13626 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13628 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13629 (simplify_cond): New function.
13630 (forward_propagate_into_cond): Call simplify_cond.
13632 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13634 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13635 (*vec_extractv2di_1_sse): New.
13637 2006-01-09 Ben Elliston <bje@au.ibm.com>
13639 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13641 2006-01-08 Richard Guenther <rguenther@suse.de>
13643 * tree-ssa-structalias.c (get_constraint_for): Remove
13644 anyoffset argument.
13645 (get_constraint_for_component_ref): Likewise.
13646 (do_deref): Likewise.
13647 (get_constraint_for): Likewise.
13648 (do_structure_copy): Likewise.
13649 (handle_ptr_arith): Likewise.
13650 (find_func_aliases): Likewise. Remove unused need_anyoffset
13653 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13654 Kaz Kojima <kkojima@gcc.gnu.org>
13656 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13657 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13658 (EXTRA_CONSTRAINT_C16): Remove.
13659 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13660 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13661 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13662 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13663 constants of SHmedia. Handle nested constant expressions of
13665 (andcosts): Fix the costs for SHmedia constants.
13666 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13667 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13668 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13669 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13670 (movv4hi_i, movv2si_i): Likewise.
13671 (movsi_const): Adjust the second operand of ior so to match with
13672 the Csu constraint.
13673 (movdi_const, movdi_const_32bit): Likewise.
13674 (movdi_const_16bit+1): Don't sign-extend LOW.
13675 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13677 (*double_shori): Fix the split condition. Use GEN_INT instead
13678 of get_int_mode calls. Mask lower 16-bit of the argument of
13680 (sym2GOTPLT): Remove.
13681 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13683 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13684 instead of EXTRA_CONSTRAINT_C16.
13686 2006-01-07 Ian Lance Taylor <ian@airs.com>
13687 David Edelsohn <edelsohn@gnu.org>
13689 PR rtl-optimization/25662
13690 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13691 for constant operands instead of simplify_gen_binary.
13692 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13693 after trying simplify_binary_operation
13695 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13697 * tree.c (iterative_hash_expr): Hash decls based on UID.
13699 2006-01-06 Eric Christopher <echristo@apple.com>
13701 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13702 (TARGET_UNWIND_EMIT): Fix spelling.
13703 * target.h (gcc_target): Add except_table_label.
13704 * except.c (output_function_exception_table): Use.
13705 * varasm.c (default_emit_except_table_label): New.
13706 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13708 (asm_out): Add here.
13709 * output.h (default_emit_except_table_label): Prototype.
13710 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13711 * config/darwin.c (darwin_emit_except_table_label): Define.
13712 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13714 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13716 PR tree-optimization/18527
13717 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13718 number_of_iterations_special, number_of_iterations_exit):
13719 Move base and step of an iv to a single structure. Add
13720 no_overflow flag, and use it in # of iterations analysis.
13721 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13722 folded_casts argument.
13723 (simple_iv): Pass base and step in a structure. Set no_overflow
13725 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13726 Evaluate expensiveness of computing # of iterations instead of
13727 the final expression.
13728 * tree-scalar-evolution.h (affine_iv): New structure.
13729 (simple_iv): Declaration changed.
13730 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13731 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13732 find_givs_in_stmt): Changed due to simple_iv change.
13734 2006-01-06 Jeff Law <law@redhat.com>
13737 * tree-cfg.c (bsi_replace): Rename final argument from
13738 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13739 change (stmt -> orig_stmt).
13740 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13741 (bsi_remove): Add new argument. Remove EH information
13743 (verify_eh_throw_table_statements): New function.
13744 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13746 * tree-optimize.c (execute_free_cfg_annotations): Verify
13747 the EH throw statement table after removing annotations.
13748 * except.h (verify_eh_throw_table_statements): Prototype.
13749 * tree-flow.h (bsi_remove): Update prototype.
13750 * tree-vrp.c (remove_range_assertions): Add new argument to
13752 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13753 * tree-complex.c (expand_complex_div_wide): Likewise.
13754 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13755 * tree-tailcall.c (eliminate_tailcall): Likewise.
13756 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13757 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13758 * tree-nrv.c (tree_nrv): Likewise.
13759 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13760 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13761 (combine_blocks): Likewise.
13762 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13763 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13764 (cleanup_control_flow): Likewise.
13765 (remove_forwarder_block): Likewise.
13766 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13767 * tree-sra.c (sra_replace): Likewise.
13768 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13769 (forward_propagate_single_use_vars): Likewise.
13770 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13771 * tree-inline.c (expand_call_inline): Likewise.
13772 * tree-vect-transform.c (vect_transform_loop): Likewise.
13773 * tree-outof-ssa.c (rewrite_trees): Likewise.
13774 * tree-cfg.c (make_goto_expr_edges): Likewise.
13775 (cleanup_dead_labels): Likewise.
13776 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13777 (bsi_move_before, bsi_move_after): Likewise.
13778 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13779 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13781 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13784 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13786 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13787 on non gimple variables. Also add checks at the top for decls and
13789 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13791 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13792 and IMAGPART_EXPR for creating MUST_DEFs.
13793 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13794 and NAME_MEMORY_TAG separately from the DECLs.
13796 2006-01-06 Richard Guenther <rguenther@suse.de>
13798 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13799 annotation, if necessary.
13800 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13801 redundant calls to update_stmt.
13802 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13805 2006-01-05 Richard Henderson <rth@redhat.com>
13807 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13809 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13811 * c-typeck.c: Update copyright date.
13813 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13815 * c-typeck.c (build_c_cast): Always warn when casting
13816 from a pointer to an integer of different size, even if
13817 the node was constant.
13819 2006-01-05 Richard Guenther <rguenther@suse.de>
13821 PR tree-optimization/22555
13822 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13823 if one structure field is an array.
13824 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13825 operands even if we found a subvar, but ignore VOPs in this
13827 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13829 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13831 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13833 PR middle-end/24998
13834 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13836 2006-01-05 Richard Guenther <rguenther@suse.de>
13837 Diego Novillo <dnovillo@redhat.com>
13839 * tree-pass.h (TODO_remove_unused_locals): Define.
13840 * gimple-low.c (expand_var_p, remove_useless_vars,
13841 pass_remove_useless_vars): Remove. Update all users.
13842 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13843 (remove_unused_locals): New function.
13844 * tree-flow.h (remove_unused_locals): Declare.
13845 * passes.c (execute_todo): Call remove_unused_locals if
13846 TODO_remove_unused_locals is set.
13847 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13848 * tree-ssa-dce.c (pass_dce): Likewise.
13849 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13851 2006-01-05 Richard Guenther <rguenther@suse.de>
13853 * tree-flow.h (struct fieldoff): Decompose field to
13854 type, size and decl.
13855 * tree-ssa-alias.c (create_sft): Take type as parameter.
13856 (create_overlap_variables_for): Store type, size and decl
13857 in the fieldoff structure.
13858 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13859 of struct fieldoff.
13860 (push_fields_onto_fieldstack): Likewise.
13861 (create_variable_info_for): Likewise. Use offset for the
13862 SFT name if the decl is not available.
13864 2006-01-04 Paul Brook <paul@codesourcery.com>
13866 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13868 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13870 * lambda-code.c (can_put_in_inner_loop): Relax
13872 (can_put_after_inner_loop): New function.
13873 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13874 (perfect_nestify): Change to make copies and modify uses.
13876 2006-01-04 Richard Henderson <rth@redhat.com>
13878 Merge from gomp branch:
13879 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13880 via integer constant.
13881 (pragma_lex): Remove.
13882 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13883 rather than parsing it.
13884 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13885 handle_pragma_extern_prefix): Add %< %> quotes.
13886 (registered_pragmas): New.
13887 (c_register_pragma_1): New.
13888 (c_register_pragma): Use it.
13889 (c_register_pragma_with_expansion): Likewise.
13890 (c_invoke_pragma_handler): New.
13891 (init_pragma): Use cpp_register_deferred_pragma directly for
13893 * c-pragma.h (enum pragma_kind): New.
13894 (pragma_handler): New.
13895 (c_invoke_pragma_handler): Declare.
13896 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13898 * c-common.h (c_common_pch_pragma): Update decl.
13899 * Makefile.in (c-parser.o): Update dependencies.
13900 (GTFILES): Add c-pragma.h.
13901 * c-parser.c (struct c_token): Add pragma_kind.
13902 (struct c_parser): Add in_pragma.
13903 (c_lex_one_token): Always initialize keyword and pragma_kind.
13904 Extract data for CPP_PRAGMA.
13905 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13906 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13907 Don't allow CPP_PRAGMA_EOL if in_pragma.
13908 (c_parser_consume_pragma): New.
13909 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13910 (c_parser_skip_to_end_of_parameter): Likewise.
13911 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13912 (c_parser_skip_to_pragma_eol): New.
13913 (c_parser_external_declaration): Handle CPP_PRAGMA.
13914 (c_parser_compound_statement_nostart): Likewise.
13915 (c_parser_statement_after_labels): Likewise.
13916 (c_parser_pragma): New.
13917 (pragma_lex): Likewise.
13918 (c_parser_pragma_pch_preprocess): New.
13919 (c_parser_new): Merge into ...
13920 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13922 2006-01-04 Jeff Law <law@redhat.com>
13925 * tree-cfg.c (bsi_replace): Remove the original statement
13926 from the EH throw statement table.
13928 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13930 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13931 make the prototype extern "C" and add throw ().
13934 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13935 and pos non-negative and pos + len <= 32.
13936 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13937 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13938 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13941 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13942 as well as sizes not multiple of component size.
13945 * function.c (instantiate_expr): New function.
13946 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13947 walk its DECL_VALUE_EXPR with instantiate_expr.
13949 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13950 DW_OP_deref{,_size} if address isn't going to be added.
13952 2006-01-04 Ben Elliston <bje@au.ibm.com>
13954 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13955 * config/fp-bit.c: Likewise.
13957 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13959 * dominance.c: Add comment about why we use DFS numbering
13962 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13963 Richard Henderson <rth@redhat.com>
13965 Merge from gomp-branch:
13966 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13967 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13969 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13971 PR rtl-optimization/25578
13972 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13973 pass a parameter to simplify_shift_const if changing ASHIFTRT
13976 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13978 * builtins.c (get_builtin_sync_mem): New function.
13979 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13980 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13981 Call get_builtin_sync_mem to generate mem rtx.
13983 2006-01-03 Richard Guenther <rguenther@suse.de>
13986 * stmt.c (add_case_node): Make sure to clear overflow flags
13989 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13991 Merge from gomp-branch.
13992 * config/sparc/sync.md: New file.
13993 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13994 UNSPECV_LDSTUB): New constants.
13995 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13996 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13997 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14000 2006-01-03 Roger Sayle <roger@eyesopen.com>
14002 * combine.c (reg_subword_p): New predicate to test whether the
14003 destination of a set refers to a subword/piece of a register.
14004 (try_combine): Generalize the code to merge the setting of a
14005 pseudo to a constant followed by a set of a subword of that
14006 register to a constant.
14008 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14010 * basic-block.h (control_flow_graph): Change the type of
14011 x_label_to_block_map to VEC(basic_block,gc) *.
14012 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14013 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14015 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14016 VEC(basic_block,heap) *.
14017 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14018 ssa_prop_fini): Adjust the uses of cfg_blocks.
14020 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14022 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14024 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14025 hashing trees instead of a pointer hash.
14026 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14027 compare for MEM_EXPR.
14029 PR rtl-optimization/25130
14030 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14031 when comparing MEMs for GCSE
14033 2006-01-03 Ben Elliston <bje@au.ibm.com>
14035 * targhooks.h (default_decimal_float_supported_p): Declare.
14036 * targhooks.c (default_decimal_float_supported_p): Define.
14037 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14038 `default_decimal_float_supported_p'.
14039 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14041 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14043 * combine.c (apply_distributive_law <SUBREG>): Check
14044 TRULY_NOOP_TRUNCATION.
14046 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14048 * dwarf2out.c (have_switched_text_section): Delete.
14049 (have_multiple_function_sections): New.
14050 (have_location_lists): Make 'bool'.
14051 (add_AT_loc_list): Use 'true' not '1'.
14052 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14053 (output_loc_list): Use have_multiple_function_sections.
14054 (output_ranges): Likewise.
14055 (dwarf2out_begin_function): Set have_multiple_function_sections if
14057 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14058 Check function_section rather than DECL_SECTION_NAME.
14059 (dwarf2out_finish): Use have_multiple_function_sections.
14060 Don't clear have_location_lists.
14062 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14063 Jan Hubicka <jh@suse.cz>
14065 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14066 case of conditional jump jumping to the next instruction.
14067 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14068 cases of conditional jump jumping to the next instruction.
14070 2006-01-02 Jan Hubicka <jh@suse.cz>
14072 * i386.c (*_cost): Add COSTS_N_INSNS.
14073 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14075 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14078 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14080 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14082 * config/arm/arm.c (all_fpus): Fix comment typo.
14083 * config/darwin.c: Likewise.
14084 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14085 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14086 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14088 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14090 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14091 (rs6000_split_compare_and_swapqhi): New.
14092 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14093 (sync_compare_and_swapqhi_internal): New.
14094 * config/rs6000/rs6000-protos.h: Declare.