1 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4 necessary places to pass the correct "number of registers" values
7 2006-08-20 Jan Hubicka <jh@suse.cz>
9 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
10 (create_name_tags): Instead of quadratic checking use hashtable.
11 * bitmap.h: Include hashtab.h.
12 (bitmap_hash): Declare.
13 * bitmap.c (bitmap_hash): New function.
15 2006-08-20 Jan Hubicka <jh@suse.cz>
17 PR rtl-optimization/28071
18 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
20 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
21 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
22 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
23 cgraph_decide_inlining_incrementally): Update use of
24 cgraph_check_inline_limits.
25 * cgraph.c (edge_hash, edge_eq): New function.
26 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
27 cgraph_edge_remove_caller, cgraph_node_remove_callees,
28 cgraph_remove_node): Maintain call site hash.
29 * cgraph.h (struct cgraph_node): Add call_site_hash.
30 (cgraph_set_call_stmt): New function.
32 2006-08-20 Jan Hubicka <jh@suse.cz>
34 PR rtl-optimization/28071
35 * reload1.c (reg_has_output_reload): Turn into regset.
36 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
37 choose_reload_regs, emit_reload_insns): Update to new
38 reg_has_output_reload.
40 2006-08-20 Jan Hubicka <jh@suse.cz>
43 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
45 * cgraphunit.c (cgraph_analyze_function): Don't do so.
47 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
50 * tree.c (handle_dll_attribute): Return early if not a
53 2006-08-18 Joseph Myers <joseph@codesourcery.com>
56 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
57 alignment of SPE vector types.
59 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
61 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
63 2006-08-17 Jakub Jelinek <jakub@redhat.com>
66 * cgraph.h (struct cgraph_node): Remove externally_visible
68 * cgraphunit.c (process_function_and_variable_attributes): Set
69 local.externally_visible rather than externally_visible.
72 * c-common.c (handle_externally_visible_attribute): First look
73 at TREE_CODE and only if it is function or var decl, check for
74 non-public objects. Don't warn for DECL_EXTERNAL.
75 * cgraphunit.c (process_function_and_variable_attributes): Warn
76 if externally_visible attribute is used on non-public object.
78 2006-08-17 Jan Hubicka <jh@suse.cz>
80 PR tree-optimization/27865
81 * reload1.c (forget_marked_reloads): New function.
82 (forget_old_reloads_1): When data are passed, just mark the registers
84 (reload_as_needed): Use the new mechanizm.
86 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
89 * reload.h (reg_equiv_alt_mem_list): New declaration.
90 * reload1.c (reg_equiv_alt_mem_list): New definition.
91 (reload): Initialize it and release it.
92 (delete_output_reload): Use it.
93 * reload.c (push_reg_equiv_alt_mem): New function.
94 (find_reloads_toplev): Call it.
95 (find_reloads_address, find_reloads_address_1): Likewise.
96 (find_reloads_subreg_address): Likewise.
98 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
100 PR rtl-optimization/28489
101 * sched-ebb.c (begin_schedule_ready): Create basic block
103 (advance_target_bb): Skip empty blocks.
104 * haifa-sched.c (bb_note): Make global.
105 * sched-int.h (bb_note): Add prototype.
107 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
109 PR tree-optimization/27865
110 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
112 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
113 fold_used_pointer, pointer_used_p): New functions.
114 (analyze_scalar_evolution_1): Use fold_used_pointer.
115 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
116 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
119 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
122 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
123 or the INTEGER_CST. Fail on a CALL_EXPR.
124 (fold_offsetof): Pass new argument to fold_offsetof_1.
125 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
126 operand into an INDIRECT_REF.
127 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
129 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
131 PR gcov/profile/26570
132 * value-prof.c (static_values): Removed.
133 (tree_find_values_to_profile): Do not set static_values.
134 (find_values_to_profile): Do not free static_values.
135 * profile.c (instrument_values): Do not free the values.
136 (branch_prob): Free the values.
138 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
140 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
142 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
145 * c-typeck.c (build_component_ref): Combine qualifiers of
146 structure or union and field.
148 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
150 PR rtl-optimization/28071
151 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
152 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
153 * tree-into-ssa.c (struct dom_dfsnum): New.
154 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
156 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
157 compute_global_livein.
158 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
159 in phi nodes in the correct blocks.
161 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
163 PR tree-optimization/28364
164 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
166 (fold_affine_expr): New function.
167 (may_eliminate_iv): Use fold_affine_expr.
169 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
172 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
175 2006-08-16 Mike Stump <mrs@apple.com>
177 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
178 * doc/cppopts.texi (-MD): Likewise.
180 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
183 * c-common.c (handle_weak_attribute): Ignore and warn if
184 not a FUNCTION_ or VAR_DECL.
186 2006-07-15 Mike Stump <mrs@apple.com>
189 * c-parser.c (c_parser_typeof_specifier): Don't use
190 c_finish_expr_stmt, open code desired semantics instead.
192 2006-08-15 Nick Clifton <nickc@redhat.com>
194 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
195 fragment to tmake_file only if threads are enabled.
196 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
197 * config/i386/t-gthr-win32: New file. ... here.
199 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
202 * c-parser.c (c_parser_compound_statement_nostart): Reset
203 parser->error after each statement.
205 2006-08-15 Jakub Jelinek <jakub@redhat.com>
208 * omp-low.c (lower_omp_parallel): Convert t to
209 receiver_decl's type.
210 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
211 source before comparison.
214 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
215 to itype in assignment to oldival2.
217 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
221 * c-typeck.c (build_compound_expr): If the second expression
222 is an error mark, then just return an error mark instead of
223 creating a COMPOUND_EXPR.
225 2006-07-14 Mike Stump <mrs@apple.com>
227 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
229 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
231 * c-decl.c, var-tracking.c: Fix comment typos.
233 2006-08-14 Richard Sandiford <richard@codesourcery.com>
235 PR rtl-optimization/28634
236 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
237 for floating-point modes unless flag_unsafe_math_optimizations.
239 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
240 Andrew Pinski <pinskia@physics.uc.edu>
243 * tree.c (build_array_type): Unify array types with
244 unspecified index_type.
245 * c-decl.c (grokdeclarator): Make sure we do not modify a
246 unified incomplete array type.
247 * c-typeck.c (store_init_value): Create distinct type before
248 filling in the index type in an initializer from a compound
251 * c-decl.c (grokdeclarator): Remove code where we copy the
254 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
256 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
257 into account for TODO_dump_cgraph.
258 (TODO_update_ssa_no_phi): Likewise.
259 (TODO_update_ssa_full_phi): Likewise.
260 (TODO_update_ssa_only_virtuals): Likewise.
261 (TODO_remove_unused_locals): Likewise.
262 (TODO_set_props): Likewise.
263 (TODO_update_stmt_usage): Likewise.
265 2006-08-13 Dirk Mueller <dmueller@suse.de>
267 * c-common.c (strict_aliasing_warning): Fix formatting.
269 2006-08-13 Matthias Klose <doko@debian.org>
271 * doc/invoke.texi: Fix spelling errors.
273 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
275 PR rtl-optimization/23454
276 * reorg.c (relax_delay_slots): Update comment.
278 2006-08-11 Richard Guenther <rguenther@suse.de>
281 * simplify-rtx.c (simplify_const_relational_operation):
282 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
285 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
287 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
288 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
290 2006-08-10 Paul Brook <paul@codesourcery.com>
292 * final.c (final_scan_insn): Clear current_insn_predicate before
293 outputting inline asm.
295 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
297 PR tree-optimization/26197
298 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
299 get_ref_base_and_extent and overlap_subvar to add only relevant
300 subvars as may-aliases.
301 (add_may_alias_for_new_tag): New function, factored out of
303 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
304 with additional argument.
305 * tree-flow.h (new_type_alias): Takes additional argument.
307 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
309 * gcov.c (no_data_file): New flag.
310 (read_count_file): Set it if data file not present. Assume counts
312 (output_lines): Don't name the data file, if there wasn't one.
314 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
316 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
317 (rs6000_generate_compare): Tweak comments.
318 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
320 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
322 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
323 (var_debug_decl): New function.
324 (var_reg_set): Follow debug decl link. Add location even if
325 reg is already known to hold some other variable.
326 (var_mem_set): Follow debug decl link.
327 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
328 decl link. Delete other known locations of the variable part
330 (var_reg_delete, var_mem_delete): Delete other known locations
331 of the variable part if requested.
332 (same_variable_part_p): New function.
333 (add_stores): Select MO_COPY when appropriate.
334 (vt_initialize): Handle it.
335 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
336 known locations for MO_SET and MO_CLOBBER.
337 (find_variable_location_part): New function.
338 (set_variable_part, delete_variable_part): Use it.
339 (clobber_variable_part): New function.
340 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
343 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
345 PR tree-optimization/26969
346 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
347 with an empty list of PHIs.
349 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
353 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
356 2006-08-06 Andreas Schwab <schwab@suse.de>
358 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
359 string. Whitespace and comment fixup.
361 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
364 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
368 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
371 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
373 2006-08-04 Jan Hubicka <jh@suse.cz>
377 * reload.c (push_reload): Patch out the mismatching instruction;
379 (find_reload): Bail out if the instruction was patched out.
381 2006-08-04 Jan Hubicka <jh@suse.cz>
383 PR tree-optimization/24888
384 * tree-inline.c (expand_call_inline): Do not re-record variables.
385 (declare_inline_vars): Add variable to unexpanded_var_list.
387 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
388 Roger Sayle <roger@eyesopen.com>
390 PR rtl-optimization/26244
391 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
392 inner_const are negative or greater than or equal to the bitsize of
393 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
394 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
395 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
396 CONST0_RTX (mode) when the new shift count is greater than or equal to
397 to the bitsize of the object being shifted and XEXP (y, 0) has no side
400 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
402 * tree-cfg.c: Fix a comment typo.
404 2006-08-03 Mark Mitchell <mark@codesourcery.com>
407 * varasm.c (output_constant): Give the front end another chance to
408 expand constants, after stripping NOPs.
410 2006-08-03 Jan Hubicka <jh@suse.cz>
412 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
415 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
417 PR tree-optimization/27770
418 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
419 declaration removed (moved to tree-flow.h).
420 (vect_can_force_dr_alignment_p): Likewise.
421 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
422 (moved from tree-vectorizer.h).
423 (vect_can_force_dr_alignment_p): Likewise.
424 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
425 from outside the vectorizer - in particular from cgraph stage.
426 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
427 the alignment of global arrays when -fsection-anchors is enabled.
428 * cgraphunit.c (cgraph_increase_alignment): New function.
429 (cgraph_optimize): Call cgraph_increase_alignment.
431 2006-08-03 David Edelsohn <edelsohn@gnu.org>
434 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
435 not reload a SPE symbol_ref into a lo_sum address.
437 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
440 * dwarf2out.c (prune_unused_types_prune): Move call to
441 prune_unused_types_update_strings to cover the parent DIE also.
443 2006-08-02 Jan Hubicka <jh@suse.cz>
445 PR gcov/profile/28480
446 * tree-cfg.c (change_bb_for_stmt): New function.
447 (tree_merge_blocks, tree_split_blocks): Use it.
449 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
455 * toplev.c (compile_file): Return early on errorcount or sorrycount.
456 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
457 (cgraph_optimize): Likewise.
459 2006-08-01 Stuart Hastings <stuart@apple.com>
461 * rtl.h (UINTVAL) New.
462 * config/rs6000/rs6000.c (SMALL_INT) Use it.
463 * testsuite/gcc.dg/20060801-1.c: New.
465 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
468 * c-typeck.c (build_external_type): Mark used enum types.
469 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
471 (gen_subprogram_die): Whitespace fix.
473 2006-08-01 Jan Hubicka <jh@suse.cz>
475 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
476 bitmap when not needed.
477 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
480 2006-08-01 Dirk Mueller <dmueller@suse.de>
482 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
484 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
486 * Makefile.in: Revert part of previous patch:
487 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
490 2006-07-30 Eric Christopher <echristo@apple.com>
493 * doc/extend.texi (i386 Variable Attributes): Add anchor.
494 (PowerPC Variable Attributes): New section.
496 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
498 PR target/28126 (partial fix)
499 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
501 2006-07-28 Jan Hubicka <jh@suse.cz>
503 PR rtl-optimization/28071
504 * cfgrtl.c (rtl_delete_block): Free regsets.
505 * flow.c (allocate_bb_life_data): Re-use regsets if available.
507 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
509 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
510 and variables used in dependencies.
512 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
514 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
515 %fs for -mcmodel=kernel.
516 (stack_tls_protect_test_di): Likewise.
518 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
520 * Makefile.in: Use mkinstalldirs.
522 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
525 * opts-common.c (prune_options): Skip joined switches.
527 2006-07-27 Jan Hubicka <jh@suse.cz>
529 PR rtl-optimization/28071
530 * cselib.c (cselib_process_insn): Don't remove useless values too
531 often for very large hashtables.
533 2006-07-27 Jan Hubicka <jh@suse.cz>
535 PR rtl-optimization/28071
536 * global.c (greg_obstack): New obstack.
537 (allocate_bb_info): Use it.
538 (free_bb_info): Likewise.
539 (modify_reg_pav): Likewise.
541 2006-07-27 Roger Sayle <roger@eyesopen.com>
543 * builtins.c (fold_fixed_mathfn): When long and long long are the
544 same size, canonicalize llceil*, llfloor*, llround* and llrint*
545 functions to their lceil*, lfloor*, lround* and lrint* forms.
547 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
550 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
552 (rev_branch_insn): Likewise.
554 2006-07-27 Jan Hubicka <jh@suse.cz>
556 PR rtl-optimization/28071
557 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
558 (reg_set_in_bb, max_reg_computed): New static variables.
559 (regmove_optimize): Free the new array.
560 (fixup_match_1): Update call of reg_is_remote_constant_p.
562 2006-07-26 Jan Hubicka <jh@suse.cz>
564 PR tree-optimization/27882
565 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
567 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
569 (cgraph_analyze_compilation_unit): Likewise.
570 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
571 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
572 (cgraph_early_inlinine): Make order garbage collected.
573 * Makefile.in (gt-ipa-inline): New garbagecollected file.
575 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
577 * dbxout.c (output_types_sort): Add a comment.
578 (output_used_types): Free the VEC.
580 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
582 * function.c (reorder_fix_fragments): Delete.
583 (reorder_blocks): Don't call it.
584 (reorder_blocks_1): Put all subblocks under the origin block.
586 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
588 PR rtl-optimization/27907
589 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
592 2006-07-25 Roger Sayle <roger@eyesopen.com>
595 * convert.c (convert_to_integer): When transforming (T)foo(x) into
596 bar(x) check that bar's result type can represent all the values of T.
598 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
600 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
602 2006-07-25 Nick Clifton <nickc@redhat.com>
604 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
606 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
607 (ggc_pch_count_object): Likewise.
608 (ggc_pch_alloc_object): Likewise.
609 (ggc_pch_write_object): Likewise.
610 (init_ggc): Do not attempt to initialize entries in the
611 size_lookup[] array for objects whose size is greater than than
612 the length of the array.
614 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
616 * dbxout.c (output_used_types_helper): Push queued types
618 (output_types_sort): New.
619 (output_used_types): Collect used types on a VEC and sort them
622 2006-07-24 Richard Guenther <rguenther@suse.de>
625 * cgraph.c (cgraph_remove_node): Do not check if dumps
627 * cgraphunit.c (cgraph_optimize): Likewise.
629 2006-07-24 Jan Hubicka <jh@suse.cz>
631 PR rtl-optimization/28071
632 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
633 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
634 splitting before first stmt.
636 2006-07-24 Jan Hubicka <jh@suse.cz>
638 PR rtl-optimization/28071
639 * ipa-inline.c (update_caller_keys): Remove edges that
640 are no longer inline candidates.
642 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
645 * dbxout.c (output_used_types_helper, output_used_types): New.
646 (dbxout_symbol): Call output_used_types.
648 2006-07-23 Jan Hubicka <jh@suse.cz>
652 * cgraph.c (cgraph_varpool_nodes): Export.
653 (decide_is_variable_needed): Ignored "used" attribute in
655 * cgraph.h (cgraph_varpool_nodes): Declare.
656 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
659 2006-07-23 Roger Sayle <roger@eyesopen.com>
662 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
663 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
664 the __gthrw form of thr_keycreate.
665 (__gthread_key_delete): Silence the unused argument warning.
667 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
670 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
671 Cache the last found '\0' marker to avoid quadratic behavior.
673 2006-07-23 Jan Hubicka <jh@suse.cz>
675 * i386.md (subsi_3_zext): Fix output template.
677 2006-07-21 Mike Stump <mrs@apple.com>
679 * doc/invoke.texi (C++ Dialect Options): Note that
680 -fvisibility-inlines-hidden doesn't affect explicitly
681 instantiationed inline methods.
683 2006-07-20 Roger Sayle <roger@eyesopen.com>
685 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
686 if the target assembler is GNU binutils' gas.
687 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
688 whether to pass GNU gas or native as command line options.
690 2006-07-20 Jason Merrill <jason@redhat.com>
692 * tree.c (remove_attribute): New fn.
693 * tree.h: Declare it.
695 2006-07-20 Paul Brook <paul@codesourcery.com>
698 * cse.c (cse_insn): Add destination addresses to hash table. Check if
699 they are invalidated by this instruction.
701 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
704 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
706 2006-07-20 Eric Christopher <echristo@apple.com>
709 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
711 2006-07-19 Eric Christopher <echristo@apple.com>
713 * config/t-slibgcc-darwin (stmp-lipo): Remove.
714 Rewrite dependencies for libgcc_s.1.dylib.
716 2006-07-19 Jakub Jelinek <jakub@redhat.com>
718 * except.c (duplicate_eh_regions_1): Clear next_peer.
720 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
722 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
723 -mlongcall does not guarantee all calls will be long.
724 * doc/extend.texi (long_call/short_call): Document that longcall
725 does not guarantee a long call will be used.
726 (longcall/shortcall): Likewise.
728 2006-07-18 Roger Sayle <roger@eyesopen.com>
731 * expmed.c (expand_shift): Additionally check that the shift_cost
732 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
733 before implementing a LSHIFT_EXPR as a sequence of additions.
734 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
735 middle-end that DImode shifts need to be synthesized by expand.
737 2006-07-18 Diego Novillo <dnovillo@redhat.com>
740 * tree-ssa-operands.c (access_can_touch_variable): Update
742 Return true if ALIAS is .GLOBAL_VAR.
744 2006-07-18 David Daney <ddaney@avtrex.com>
746 * gcc.c (display_help): Fix typo in help text.
748 2006-07-18 Olivier Hainque <hainque@adacore.com>
750 * tree.h (categorize_ctor_elements): Adjust prototype and add
751 descriptive comment, both in accordance with the interface change
753 * varasm.c (constructor_static_from_elts_p): New function.
754 Whether a constructor node is a valid static constant initializer
755 if all its elements are.
756 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
757 * output.h: Declare it.
758 * expr.c (categorize_ctor_elements_1): Return whether the constructor
759 is a valid constant initializer instead of computing the number of
760 non-constant elements. Use constructor_static_from_elts_p for this
761 purpose. Replace the head comment with an indication that this is a
762 helper for categorize_ctor_elements.
763 (categorize_ctor_elements): Same interface change as for the _1
764 helper. Former head comment from this helper moved here, adjusted to
765 account for the interface changes.
766 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
767 (all_zeros_p): Likewise.
768 * gimplify.c (gimplify_init_constructor): Decide whether we can make
769 static versions of the constructor from the categorize_ctor_elements
770 return value instead of the formerly computed number of non-constant
773 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
775 * configure: Regenerate.
776 * Makefile.in (build_libsubdir): New configure substitution
777 (build_libobjdir): New variable.
778 (BUILD_LIBIBERTY): Use it.
780 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
783 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
785 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
788 * c-common.c (handle_weakref_attribute): Ignore attribute in
789 the same conditions the alias attribute is ignored.
791 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
793 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
794 (dbxout_begin_prologue): Increment scope_labelno.
796 2006-07-17 Richard Henderson <rth@redhat.com>
799 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
802 2006-07-17 Roger Sayle <roger@eyesopen.com>
803 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
805 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
806 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
807 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
808 functions such as sbrk, write, etc.. Add function prototypes.
809 Convert function declarations from K&R to ISO C. Cast pointers
810 to "long" and "unsigned long" instead of "int" and "unsigned int".
811 Convert tokens following #endif into comments.
813 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
815 * invoke.texi: Remove mention of f77; Reformat table for
816 inline parameter options correctly; mention that -malign-double
817 is default on x86-64 targets.
819 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
821 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
822 (convert_affine_scev, chrec_convert_aggressive): Use
823 avoid_arithmetics_in_type_p. Do not check for the subtypes
826 2006-07-17 Richard Sandiford <richard@codesourcery.com>
829 * optabs.c (expand_doubleword_shift): Wrap the call to
830 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
832 2006-07-17 Richard Sandiford <richard@codesourcery.com>
835 * optabs.c (expand_binop): Pass next_methods rather than methods
836 to expand_doubleword_shift.
838 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
841 * tree.h (dump_addr): Declare.
842 * print-tree.c (dump_addr): New function.
843 (print_node_brief, print_node): Use it.
844 * print-rtl.c (print_rtx): Likewise.
845 * common.opt (-fdump-noaddr): New option.
846 * doc/invoke.texi (-fdump-noaddr): Document.
847 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
848 (ve_info_hash): Likewise.
850 2006-07-13 Andrew Haley <aph@redhat.com>
852 PR tree-optimization/19505
853 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
854 edge leaving this block, make sure that the destination of this
855 block has only one predecessor.
857 2006-07-17 Richard Guenther <rguenther@suse.de>
859 PR tree-optimization/28238
860 * tree-inline.c (copy_bb): Check if we produced valid
861 gimple copying and substituting a stmt. If not, gimplify
864 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
866 * optabs.c (maybe_encapsulate_block): New function extracted from...
867 (emit_libcall_block): ...here. Invoke it on the block of insns to
868 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
869 (emit_no_conflict_block): Likewise.
871 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
873 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
875 2006-07-15 Roger Sayle <roger@eyesopen.com>
877 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
878 a new NOP_EXPR case of the switch statement.
880 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
883 * stor-layout.c (place_field): Take the bit field with
884 an excessive size into account in the ms-bitfiled case.
887 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
888 the previous bit field.
890 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
893 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
895 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
897 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
898 signal frames correctly even when the signal was installed with
901 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
903 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
904 (dbxout_function_end): Use local label LFBB. Remove hook
906 (dbxout_source_line): Use local label LFBB.
907 (dbxout_block): Likewise.
908 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
909 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
910 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
913 2006-07-13 Janis Johnson <janis187@us.ibm.com>
915 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
917 2006-07-13 Jan Hubicka <jh@suse.cz>
919 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
921 * output.h (align_variable): Declare.
922 * varasm.c (align_variable): Export.
923 * value-prof.c (tree_value_profile_transformations): Recompute iterator
924 when basic block changed.
926 2006-07-13 Nick Clifton <nickc@redhat.com>
928 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
929 walking the LOG_LINKS chain.
931 2006-07-12 Geoffrey Keating <geoffk@apple.com>
933 * doc/invoke.texi (C++ Dialect Options): Explain difference
934 between -fvisibility-inlines-hidden and setting hidden
935 visibility explicitly.
937 2006-07-12 Eric Christopher <echristo@apple.com>
939 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
940 (stmp-lipo): Depend on libgcc.a.
942 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
944 * tree.c: Fix a comment typo.
946 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
948 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
950 (umulhisi3_r): Likewise.
952 2006-07-12 Paolo Carlini <pcarlini@suse.de>
955 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
956 x < 19, vs wchar_t support.
958 2006-07-12 Nick Clifton <nickc@redhat.com>
960 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
963 2006-07-12 Mike Stump <mrs@apple.com>
965 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
967 2006-07-10 Eric Christopher <echristo@apple.com>
969 * config/t-slibgcc-darwin: Rewrite.
971 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
974 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
977 2006-07-08 Matthias Klose <doko@debian.org>
979 * doc/sourcebuild.texi: Fix typo.
981 2006-07-07 Mike Stump <mrs@apple.com>
983 * toplev.c (process_options): Don't give -ffunction-sections may
984 affect debugging warning for Mach-O.
986 2006-07-07 James E Wilson <wilson@specifix.com>
988 * config/mips/mips.md (cpu): Add sb1a.
989 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
990 addition to sb1. Adjust comments to clarify SB-1A differences from
992 (ir_sb1a_load): New. Modify bypasses to use it.
993 (ir_sb1a_simple_alu): Likewise.
994 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
995 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
996 (mips_issue_rate): Add PROCESSOR_SB1A.
997 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
998 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
999 (TARGET_SB1): Add PROCESSOR_SB1A check.
1000 (TUNE_SB1): Likewise.
1002 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1003 * config/mips/mips.c (mips_store_data_bypass_p): New.
1004 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1005 store_data_bypass_p.
1007 2006-07-08 Paul Brook <paul@codesourcery.com>
1010 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1012 2006-07-07 Richard Guenther <rguenther@suse.de>
1015 * tree.h (build_one_cst): Declare.
1016 * tree.c (build_one_cst): New function.
1017 * tree-ssa-math-opts.c (get_constant_one): Remove.
1018 (insert_reciprocals): Use build_one_cst.
1019 * fold-const.c (fold_plusminus_mult): Likewise.
1021 2006-07-07 Roger Sayle <roger@eyesopen.com>
1023 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1024 * cfgloopanal.c (dump_graph): Likewise.
1025 * dojump.c (discard_pending_stack_adjust): Likewise.
1026 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1028 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1029 * function.c (finalize_block_changes): Likewise.
1030 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1031 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1032 * rtl.c (dump_rtx_statistics): Likewise.
1033 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1035 * varray.c (dump_varray_statistics): Likewise.
1036 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1037 decode_decimal64, encode_decimal128, decode_decimal128,
1038 decimal_real_to_decimal): Likewise.
1040 2006-07-07 Richard Guenther <rguenther@suse.de>
1042 PR tree-optimization/28187
1043 * tree-vrp.c (vrp_operand_equal_p): New function.
1044 (vrp_bitmap_equal_p): Likewise.
1045 (update_value_range): Use them to compare old and new
1048 2006-07-06 Roger Sayle <roger@eyesopen.com>
1050 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1051 a default case to switch statement to silence compiler warnings.
1053 2006-07-06 Roger Sayle <roger@eyesopen.com>
1056 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1057 the configured assembler supports the x87's ffreep mnemonic.
1058 * configure: Regenerate.
1059 * config.in: Regenerate.
1061 * config/i386/i386.c (output_387_ffreep): New function.
1062 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1063 (output_387_reg_move): Likewise.
1065 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1067 Port to hosts whose 'sort' and 'tail' implementations
1068 treat operands with leading '+' as file names, as POSIX
1069 has required since 2001. However, make sure the code still
1070 works on pre-POSIX hosts.
1071 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1072 which says you should use "tail -c +N" rather than "tail +Nc".
1073 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1075 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1077 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1080 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1083 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1084 PRE_{INC,DEC} of TFmode.
1086 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1087 Alan Modra <amodra@bigpond.net.au>
1090 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1093 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1096 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1097 Remove duplicate gtu.
1099 2006-07-05 Jason Merrill <jason@redhat.com>
1103 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1104 * c-common.c (handle_packed_attribute): So don't copy it here.
1105 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1107 2006-07-05 Mike Stump <mrs@apple.com>
1109 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1111 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1114 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1116 2006-07-05 Richard Guenther <rguenther@suse.de>
1119 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1120 TARGET_SSE2 targets if using SSE math.
1121 (*absdf2_1): Likewise.
1123 2006-07-05 Richard Guenther <rguenther@suse.de>
1125 PR tree-optimization/28162
1126 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1127 make sure to convert the operands to the correct type.
1129 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1131 PR tree-optimization/28218
1133 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1134 to calculate and free the dominator information.
1136 2006-07-04 Peter O'Gorman <peter@pogma.com>
1138 * mklibgcc.in: chmod 644 before ranlib during install.
1140 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1141 J"orn Rennecke <joern.rennecke@st.com>
1143 * configure.ac (.eh_frame data check): Use diff -b.
1145 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1148 * Makefile.in (BUILD_RTL): Add build/vec.o.
1149 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1150 (build/genextract): Delete.
1151 (build/genautomata): Likewise.
1153 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1156 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1157 128-bit IBM long doubles for ABI_V4.
1159 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1161 * tree.c (range_in_array_bounds_p): New predicate.
1162 * tree.h (range_in_array_bounds_p): Declare it.
1163 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1164 return a less conservative answer.
1165 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1166 and flag 'is_group'.
1167 (IS_ELEMENT_FOR_GROUP): New macro.
1168 (FOR_EACH_ACTUAL_CHILD): Likewise.
1169 (next_child_for_group): New helper function.
1170 (can_completely_scalarize_p): Take into account groups.
1171 (sra_hash_tree): Handle RANGE_EXPR.
1172 (sra_elt_eq): Likewise.
1173 (lookup_element): Be prepared for handling groups.
1174 (is_valid_const_index): Delete.
1175 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1176 instead of is_valid_const_index.
1177 <ARRAY_RANGE_REF>: New case.
1178 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1179 is_valid_const_index.
1180 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1181 (scan_dump): Dump info for groups too.
1182 (decide_instantiation_1): Likewise.
1183 (decide_block_copy): Assert that the element is not a group.
1184 Propagate decision to groups.
1185 (generate_one_element_ref): Handle RANGE_EXPR.
1186 (mark_no_warning): Iterate over actual childs.
1187 (generate_copy_inout): Likewise.
1188 (generate_element_copy): Likewise.
1189 (generate_element_zero): Likewise.
1190 (generate_element_init_1): Likewise.
1191 (dump_sra_elt_name): Handle RANGE_EXPR.
1193 2006-07-03 Roger Sayle <roger@eyesopen.com>
1195 PR tree-optimization/26251
1196 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1197 (thread_block): When optimizing for size refuse to thread jumps
1198 that would require duplication of blocks other than redirection
1201 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1203 * configure.ac: Fix thinko in previous check-in.
1204 * configure: Regenerate.
1206 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1209 * configure.ac (for lang...): Simplify nesting of conditionals.
1210 Test subdir_requires for non-enabled languages. Move processing
1211 of lang_opt_files and lang_tree_fiels below that test.
1212 * configure: Regenerate.
1213 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1215 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1217 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1219 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1221 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1224 2006-06-29 Jason Merrill <jason@redhat.com>
1231 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1232 * c-common.c (c_determine_visibility): Handle it here.
1233 * c-decl.c (finish_decl): Call c_determine_visibility for
1235 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1237 * varasm.c (default_assemble_visibility): Likewise.
1238 * c-common.c (handle_visibility_attribute): Complain about trying
1239 to give visibility to an already defined class, or trying to change
1240 declared visibility. Always attach the attribute.
1245 * attribs.c (decl_attributes): Ignore type-in-place attributes
1246 once the type has been defined.
1248 2006-06-29 Roger Sayle <roger@eyesopen.com>
1251 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1252 to indicate the cpplib has issued an error message for us.
1254 2006-06-29 Asher Langton <langton2@llnl.gov>
1257 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1258 insert a label at the end of an function under Mach-O.
1260 2006-06-29 Eric Christopher <echristo@apple.com>
1261 Evan Cheng <evan.cheng@apple.com>
1263 * predicates.md (vector_all_ones_operand): New.
1264 (nonimmediate_or_sse_const_operand): Ditto.
1265 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1266 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1267 (standard_sse_mode_p): Ditto.
1268 (standard_sse_constant_p): Add case for -1 vector.
1269 (ix86_expand_vector_move): Try to use.
1270 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1271 Call standard_sse_constant_opcode.
1272 (*movv4sf_internal): Ditto.
1273 (*movv2df_internal): Ditto.
1275 2006-06-29 Roger Sayle <roger@eyesopen.com>
1277 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1278 of XEXP to extract the operands of a MATCH_CODE rtx.
1280 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1282 * tree.c (tree_size): Do not waste tail padding in
1283 struct tree_string and make the size be the same as
1284 build_string will generate.
1286 2006-06-28 Jason Merrill <jason@redhat.com>
1289 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1290 may_aliases already in the tag's annotations to the bitmap.
1292 2006-06-28 Roger Sayle <roger@eyesopen.com>
1294 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1296 2006-06-28 Roger Sayle <roger@eyesopen.com>
1298 * genpreds.c (generate_switch_p): New function.
1299 (add_mode_tests): Push the new mode test down inside an AND expr
1300 if this allows the switch-suitable MATCH_CODE to be near the root.
1301 (write_match_code_switch): New function to write a MATCH_CODE as
1303 (write_predicate_stmts): New function to write a predicate RTX
1304 expression as a sequence of statements.
1305 (write_one_predicate_function): Use write_predicate_stmts.
1306 (write_tm_constrs_h): Likewise.
1308 2006-06-26 Fred Fish <fnf@specifix.com>
1310 * config/mips/t-sb1: New file.
1311 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1314 2006-06-26 DJ Delorie <dj@redhat.com>
1316 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1318 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1319 Jayant Sonar <jayants@kpitcummins.com>
1320 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1322 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1323 (subsi3, subsi3_1, subsi3_2): New.
1324 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1325 * config/m32c/mov.md (SI mov peephole): New.
1326 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1327 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1329 2006-06-26 Olivier Hainque <hainque@adacore.com>
1331 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1332 a CALL_EXPR target function declaration.
1334 2006-06-26 Richard Guenther <rguenther@suse.de>
1336 * tree.c (build_string): Do not waste tail padding in
1339 2006-06-26 Richard Guenther <rguenther@suse.de>
1341 * ggc-page.c (init_ggc): Add missing element to size_lookup
1345 2006-06-23 Richard Guenther <rguenther@suse.de>
1347 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1348 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1349 alignment requests instead. Add verification code.
1350 Add struct tree_function_decl and struct tree_binfo size to
1351 extra_order_size_table. Add missing element to size_lookup
1354 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1357 * fold-const.c (const_binop): Be prepared for self returning zero.
1358 Simplify code handling complex values.
1360 2006-06-24 Olivier Hainque <hainque@adacore.com>
1362 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1363 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1366 2006-06-24 Olivier Hainque <hainque@adacore.com>
1368 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1369 ARRAY_REF, so have the callback called for the low bound expression.
1371 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1373 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1374 * c-typeck.c (c_common_type): Disallow operations on decimal float
1375 types and other float types.
1376 * convert.c (convert_to_real): Don't ignore conversions involving
1377 decimal float types.
1379 2006-06-23 Olivier Hainque <hainque@adacore.com>
1381 * tree.c (max_int_size_in_bytes): New function, inspired from
1382 code in function.c:assign_temp.
1383 * tree.h (max_int_size_in_bytes): Declare.
1384 * function.c (assign_temp): Use it.
1385 * gimplify.c (create_tmp_var): Relax the assertions on the type
1386 properties, not mandating constant size any more.
1387 (force_constant_size): New static function.
1388 (gimple_add_tmp_var): Use it, forcing variable size to a
1389 constant upper bound if it is not constant on entry.
1391 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1394 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1395 for initialization and setting of one_only flag to ...
1396 (i386_pe_encode_section_info): ...here.
1397 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1398 Recheck that the symbol has not been defined.
1400 2006-06-23 Richard Guenther <rguenther@suse.de>
1402 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1403 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1404 alignment requests instead. Add verification code.
1405 Add struct tree_function_decl and struct tree_binfo size to
1406 extra_order_size_table. Add missing element to size_lookup
1409 2006-06-22 Roger Sayle <roger@eyesopen.com>
1410 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1413 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1414 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1416 2006-06-23 Ben Elliston <bje@au.ibm.com>
1418 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1419 negate dn -- manipulate it directly.
1421 2006-06-22 Roger Sayle <roger@eyesopen.com>
1422 Steven Bosscher <stevenb.gcc@gmail.com>
1425 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1426 generated by gen_move_insn to add REG_LABEL notes if necessary.
1428 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1430 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1431 (leaf_entry): Remove use of MIN_ESA.
1433 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1435 PR rtl-optimization/28121
1436 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1439 2006-06-21 DJ Delorie <dj@redhat.com>
1441 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1443 (mulhisi3_r): Likewise.
1445 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1448 * coverage.c (coverage_counter_alloc): Leave the index type
1450 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1453 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1455 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1456 section from the "Options for Code Generation Conventions".
1458 2006-06-21 Richard Henderson <rth@redhat.com>
1462 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1464 (global_symbolic_operand): Allow weak symbols, even if local_p.
1466 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1468 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1469 (find_interesting_uses_address): Punt if above function returns true.
1471 2006-06-21 Richard Guenther <rguenther@suse.de>
1473 * configure: Regenerated.
1475 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1477 * config/mips/mips.c (function_arg): Where one part of a
1478 complex argument is in registers and the other part in the stack,
1479 return a REG not a PARALLEL.
1481 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1483 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1484 when cross-compiling. Do not substitute libstdcxx_incdir.
1485 * configure: Regenerated.
1487 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1489 * varasm.c (mergeable_string_section): Check for embedded NULs and
1490 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1491 rather than TREE_STRING_LENGTH bytes.
1493 2006-06-21 Richard Guenther <rguenther@suse.de>
1495 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1496 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1499 2006-06-21 Richrad Guenther <rguenther@suse.de>
1501 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1502 Limit iteration over the dominators.
1504 2006-06-20 Roger Sayle <roger@eyesopen.com>
1506 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1507 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1509 2006-06-20 Richard Guenther <rguenther@suse.de>
1510 Michael Matz <matz@suse.de>
1512 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1514 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1515 * et-forest.h (et_free_pools): Prototype new function.
1516 * et-forest.c (et_free_tree_force): Free parent occurrence.
1517 (et_free_pools): New function.
1518 * dominance.c (free_dominance_info): Free et-forest alloc
1521 2006-06-20 Roger Sayle <roger@eyesopen.com>
1523 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1524 integer modes, attempt to directly construct an integer constant.
1526 * fold-const.c (native_encode_vector): Determine the size of each
1527 element from the vector type instead of the first vector element.
1529 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1530 if all of its elements/components are constant.
1531 (build_constructor_from_list): Likewise.
1533 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1535 PR tree-optimization/27331
1536 * tree-data-ref.c (free_data_ref): New function.
1537 (create_data_ref): Fail if the data reference has unknown access
1539 (free_data_refs): Use free_data_ref.
1541 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1544 * tree-inline.c (setup_one_parameter): Strip useless
1545 type conversion before adding it to the IR.
1546 (declare_return_variable): Likewise.
1548 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1551 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1553 2006-06-19 Mike Stump <mrs@apple.com>
1555 * tree.c (variably_modified_type_p): VM arguments don't make the
1558 2006-06-19 Richard Guenther <rguenther@suse.de>
1560 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1561 type conversions after folding.
1563 2006-06-19 Richard Guenther <rguenther@suse.de>
1565 * ggc-page.c (extra_order_size_tab): Add entries with
1566 size of struct function and basic_block.
1567 (size_lookup): Extend to cover sizes up to 511.
1568 (ggc_alloc_stat): Adjust user.
1569 (ggc_pch_count_object): Likewise.
1570 (ggc_pch_alloc_object): Likewise.
1571 (ggc_pch_write_object): Likewise.
1573 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1575 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1576 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1579 2006-06-19 Denis Chertykov <denisc@overta.ru>
1581 * config/avr/libgcc.S : Correct my wrong previous commit.
1583 2006-06-19 Roger Sayle <roger@eyesopen.com>
1586 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1587 have stripped a SUBREG from the shift count, so we may need to
1588 convert_to_mode back to the type's mode before calling make_tree.
1589 Use new_amount instead of amount to avoid expanding a tree twice.
1591 2006-06-19 Richard Guenther <rguenther@suse.de>
1594 * fold-const.c (operand_equal_p): Check if the argument types
1595 have the same precision before stripping NOPs.
1597 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1599 Fix PR tree-optimization/27341
1600 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1602 * tree-complex.c (pass_lower_complex): Update SMT usage.
1604 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1606 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1607 Add a new alternative to the constraint strings. Add move of
1608 operand 1 to 3 to the splitter definition.
1609 ("doloop_si_long"): Second contraint alternative removed.
1611 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1613 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1614 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1616 (AVR_HAVE_MOVW) Define.
1617 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1618 (ASM_SPEC): Add avr25.
1619 (LINK_SPEC): Add avr25.
1620 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1621 (base_arch_s): Add new member 'have_movw_lpmx'.
1622 (avr_arch_types): Init 'have_movw_lpmx'.
1623 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1624 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1625 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1626 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1627 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1629 (avr_file_start): Do not output '.arh' derective.
1630 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1631 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1632 * config/avr/avr.md (mcu_enhanced): Delete.
1633 (mcu_have_movw): Define.
1634 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1635 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1636 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1637 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1638 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1639 attiny861 and at86rf401 devices.
1641 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1643 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1646 2006-06-17 Karl Berry <karl@gnu.org>
1648 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1649 doc/gccint.texi, doc/install.texi (@dircategory): Use
1650 "Software development" instead of "Programming", following
1651 the Free Software Directory.
1653 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1655 * config/i386/i386.c (legitimate_tls_address)
1656 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1657 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1658 (*tls_dynamic_gnu2_combine_64): Likewise.
1660 2006-06-16 Richard Guenther <rguenther@suse.de>
1663 * fold-const.c (negate_expr_p): Do not introduce undefined
1664 overflow in negating INTEGER_CSTs.
1665 (fold_negate_expr): Rename from negate_expr. Revert last
1666 change for folding BIT_NOT_EXPR. Change semantics to
1667 return NULL_TREE for non-simplified negations. Do not
1668 strip type conversions and unify type handling.
1669 (negate_expr): New function, wrap around fold_negate_expr
1670 but ensure building a tree always. Strip type conversions
1671 here, fold to result type.
1672 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1674 2006-06-16 Roger Sayle <roger@eyesopen.com>
1677 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1678 that (would) return their results in stack registers.
1680 2006-06-16 Michael Matz <matz@suse.de>
1681 Richard Guenther <rguenther@suse.de>
1683 * fold-const.c (fold_truthop): Only return new tree node if
1684 we canonicalized something.
1686 2006-06-16 Richard Guenther <rguenther@suse.de>
1688 * function.h (enum function_frequency): Move declaration
1689 out of struct function.
1690 (struct function): Move bool fields and the enum to the bitfield
1691 section. Reorder elements to avoid padding. Remove unused
1692 fields left over from the RTL inliner removal.
1693 * function.c (free_after_compilation): Do not zero removed fields.
1694 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1695 (ipa-type-escape.o): Likewise.
1697 2006-06-16 Richard Guenther <rguenther@suse.de>
1699 * cgraph.h (struct cgraph_local_info): Turn bool elements
1701 (struct cgraph_node): Likewise.
1702 (struct cgraph_varpool_node): Likewise.
1704 2006-06-15 Richard Guenther <rguenther@suse.de>
1706 * fold-const.c (fold_truth_not_expr): Rename from
1707 invert_truthvalue. Give it fold_* semantics to avoid
1709 (invert_truthvalue): New function. Wrapper around
1710 fold_truth_not_expr.
1711 (optimize_minmax_comparison): Avoid creating garbage.
1712 (fold_unary): Use fold_truth_not_expr for folding
1714 (fold_ternary): Replace uses of invert_truthvalue with
1715 fold_truth_not_expr where applicable.
1716 * tree.h (fold_truth_not_expr): Prototype.
1718 2006-06-16 Richard Guenther <rguenther@suse.de>
1720 PR tree-optimization/27781
1721 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1722 * ipa-pure-const.c (target.h): Include.
1723 (analyze_function): Do not analyze functions that do not
1726 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1729 * tree-dfa.c (referenced_vars_dup_list): Remove.
1730 (find_referenced_vars): Remove assert.
1731 (referenced_var_check_and_insert): Replace dup list with assert.
1732 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1733 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1735 2006-06-15 Richard Guenther <rguenther@suse.de>
1737 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1738 extra unused identifiers if not dumping.
1739 (create_variable_info_for): Likewise.
1741 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1743 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1744 (derive_constant_upper_bound): Derive more precise upper bound in
1745 common cases. Return type changed to double_int.
1746 (record_estimate): Reflect the changed return type of
1747 derive_constant_upper_bound.
1748 * double-int.c (double_int_zext, double_int_sext): Fix.
1750 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1752 * configure.ac (CFLAGS): Get them from the toplevel or from the
1753 configure invocation.
1754 * configure: Regenerate.
1755 * Makefile.in (CFLAGS): Substitute value provided by configure.
1757 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1760 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1761 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1762 rather than calling add_stmt on it.
1763 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1765 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1768 * reload1.c (reload): Remove registers returned by update_eliminables
1769 from used_spill_regs.
1771 2006-06-13 DJ Delorie <dj@redhat.com>
1773 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1775 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1777 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1778 html__strip_dir, html__mkdir_p. Enhance install-html target.
1779 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1780 * configure: Regenerate.
1782 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1784 * fold-const.c (fold_cond_expr_with_comparison): Check for
1785 Objective-C++ as language in deciding COND_EXPR transformation.
1787 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1790 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1791 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1792 * config/sh/lib1funcs.h (SL, SL1): Define.
1793 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1794 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1795 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1796 (OBJS_Os_4_200): New variable.
1797 ($(T)libgcc-Os-4-200.a): Use it.
1798 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1799 when dividing 1 and/or by 0.
1801 2006-06-13 Roger Sayle <roger@eyesopen.com>
1803 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1804 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1805 * configure: Regenerate.
1807 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1809 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1810 for real instruction.
1812 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1815 * haifa-sched.c (check_cfg): Handle special case.
1817 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1820 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1821 Add debug_info parameter. Chain the vars to the BLOCK instead
1822 of the BIND_EXPR if debug info are requested for them.
1823 (pop_gimplify_context): Adjust for above change.
1824 (gimple_add_tmp_var): Likewise.
1825 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1827 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1828 (convert_local_reference): Likewise.
1829 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1830 (finalize_nesting_tree_1): Request that debug info be emitted
1831 for debug_var_chain.
1833 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1835 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1836 for PR target/27863.
1838 2006-06-13 Richard Guenther <rguenther@suse.de>
1841 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1843 2006-06-13 Richard Guenther <rguenther@suse.de>
1845 PR tree-optimization/27830
1846 * tree-inline.c (copy_body_r): For copying the operand
1847 of an ADDR_EXPR make sure to fold &* afterwards.
1849 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1851 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1852 lvalues in the fb_none case with side-effects.
1854 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1856 * tree-flow.h: Remove the prototype for
1857 compute_phi_arg_on_exit.
1858 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1859 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1862 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1864 * builtins.c (expand_builtin_return_addr): Only use
1865 frame_pointer_rtx when count == 0 and we are expanding
1866 __builtin_return_address.
1868 2006-06-12 Fred Fish <fnf@specifix.com>
1870 * config/mips/mips.c (mips_file_start): Create special section
1871 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1873 2006-06-11 Eric Christopher <echristo@apple.com>
1876 * stor-layout.c (place_field): Remove check for
1877 remaining_in_alignment when aligning at the end of a run.
1879 2006-06-11 Eric Christopher <echristo@apple.com>
1882 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1885 2006-06-11 Roger Sayle <roger@eyesopen.com>
1888 Revert incorrect fix for PR target/27158
1889 2006-05-08 Roger Sayle <roger@eyesopen.com>
1890 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1891 of a reg_equiv_constant if the result is a legitimate constant.
1893 2006-06-11 Roger Sayle <roger@eyesopen.com>
1896 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1897 extract a CONST_VECTOR element and interpret it as an integer.
1898 (vspltis_constant): Use const_vector_elt_as_int instead of the
1899 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1900 * config/rs6000/predicates.md (easy_vector_const): Consider
1901 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1903 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1906 * stor-layout.c (update_alignment_for_field): Don't add extra
1907 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1910 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1912 * config/mips/t-rtems: Add EL/EB multilib variants.
1914 2006-06-09 Mike Stump <mrs@apple.com>
1916 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1918 2006-06-09 David Daney <ddaney@avtrex.com>
1920 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1922 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1924 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1926 2006-06-09 Richard Guenther <rguenther@suse.de>
1928 PR tree-optimization/26998
1929 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1930 of signed types, only TYPE_MIN_VALUE is special, but for both,
1931 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1932 in this case, as is -fwrapv.
1934 2006-06-08 Mike Stump <mrs@apple.com>
1937 * config/darwin.c (darwin_asm_output_anchor): Disable
1938 -fsection-anchors on darwin for now.
1939 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1940 * rs6000/rs6000.c (optimization_options): Likewise.
1942 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1945 * config/i386/i386.c (classify_argument): Skip fields with invalid
1948 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1950 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1951 (cse_insn): Likewise for the stack_pointer_rtx.
1953 2006-06-08 Roger Sayle <roger@eyesopen.com>
1955 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1956 conditions from floating point comparisons.
1958 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1961 * expmed.c (struct alg_hash_entry): Fix type of field T
1962 to match synth_mult argument.
1963 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1965 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1968 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1971 2006-06-08 Richard Guenther <rguenther@suse.de>
1974 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1975 only, if overflow is defined and not trapping.
1976 (negate_expr): Likewise.
1978 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1980 PR tree-optimization/27872
1981 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1982 flag on the new exit edge of the unrolled loop.
1984 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1986 PR rtl-optimization/26449
1987 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1989 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1992 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1993 referenced_variables with matching DECL_UID's.
1994 (find_referenced_vars): Make sure duplicate list is empty to start.
1995 (referenced_var_p): Remove.
1996 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1997 Check if var is in the list, and add if needed. Update the duplicate
1998 list if a different var is in the list with the same DECL_UID.
1999 (add_referenced_var): Call routine to check and insert.
2000 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2001 * tree-flow.h (referenced_vars_dup_list): External declaration.
2003 2006-06-07 Fred Fish <fnf@specifix.com>
2005 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2008 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2011 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2012 the imaginary and real parts of a clobbered register.
2013 Emit insn to set the imaginary part.
2015 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2017 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2018 in lieu of unwind-dw2-fde.c.
2020 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2022 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2024 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2027 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2028 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2029 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2030 V4SImode temporaries and operations instead.
2032 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2034 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2037 2006-06-06 Mike Stump <mrs@apple.com>
2039 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2040 installing during build.
2042 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2044 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2046 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2047 * config/ia64/ia64.c (params.h): New header.
2048 (ia64_optimization_options): New function to adjust parameters.
2049 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2050 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2051 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2053 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2055 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2057 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2060 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2062 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2063 Victor Kaplansky <victork@il.ibm.com>
2065 PR tree-optimization/26360
2066 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2069 2006-06-04 Roger Sayle <roger@eyesopen.com>
2070 Andrew Pinski <pinskia@physics.uc.edu>
2073 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2074 for LABEL_DECL before calling DECL_WEAK.
2077 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2078 LABEL_DECL and PARM_DECL.
2080 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2084 * c-decl.c (grokdeclarator): Disallow variably modified types at
2085 file scope. Avoid marking shared array type of constant size as
2088 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2091 * c-common.c (fold_offsetof_1): Handle static members.
2093 2006-06-04 Eric Christopher <echristo@apple.com>
2095 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2096 (debug_rli): Output value for remaining_in_alignment.
2097 (update_alignment_for_field): Unconditionalize
2098 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2099 extra alignment code.
2100 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2101 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2102 * tree.h (record_layout_info_s): Remove prev_packed.
2103 * doc/extend.texi (ms_struct): Add documentation of format.
2105 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2107 * tree.h: Declare folding_initializer.
2108 * builtins.c (fold_builtin_constant_p): Give definite answer
2109 if folding inside an initializer.
2110 * fold-const.c: Define folding_initializer.
2111 (START_FOLD_INIT): Save and then set folding_initializer.
2112 (END_FOLD_INIT): Restore folding_initializer.
2114 2006-06-04 Richard Guenther <rguenther@suse.de>
2116 PR tree-optimization/27039
2117 * fold-const.c (fold_comparison): Handle pointer comparison
2118 again for all comparison codes. Compare offsets in signed
2120 (fold_binary): Move code from here.
2122 2006-06-03 Roger Sayle <roger@eyesopen.com>
2125 * config/i386/i386.c (construct_container): Split static issued_error
2126 flag into issued_sse_arg_error, issued_sse_ret_error and
2127 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2128 requires the use of x87 registers and the user explicitly
2129 specified the -mno-80387 command line option.
2131 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2133 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2134 HAVE_DECL_SIGALTSTACK.
2136 (segv_handler): Use MC_FLD.
2137 * configure.ac: Check for a sigaltstack declaration.
2138 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2139 * configure: Regenerate.
2140 * config.in: Regenerate.
2142 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2145 * Makefile.in (stmp-fixinc): Fix typo.
2147 2006-06-02 Roger Sayle <roger@eyesopen.com>
2149 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2150 are type correct. Clean-up.
2151 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2152 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2154 2006-06-01 DJ Delorie <dj@redhat.com>
2156 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2157 shift, as we've disabled the "switch" insn that needs it.
2159 2006-06-01 Per Bothner <bothner@bothner.com>
2161 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2162 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2163 * c-ppoutput.c (cb_define): Don't increment line 0.
2165 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2167 * doc/invoke.texi: Add cpu_type power6.
2168 * config.gcc: Add cpu_type power6.
2169 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2170 to power5+ with Altivec.
2171 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2172 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2174 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2176 * config/avr/avr.h (SET_ASM_OP): Define.
2178 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2180 * config/bfin/bfin.c: Fix comment typos.
2182 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2185 * doc/install.texi: Document --enable-bootstrap and
2186 --disable-bootstrap.
2188 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2190 * doc/install.texi: Document that InfoZIP can replace jar.
2192 2006-05-31 Roger Sayle <roger@eyesopen.com>
2194 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2195 isn't available, directly generate the simpler x87 patterns without
2196 the (use (const_int 0)).
2197 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2198 implementation isn't available.
2199 (*negdf2_1): Likewise.
2200 (*negxf2_1): XF mode negation is always done using the x87.
2201 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2203 2006-05-31 Roger Sayle <roger@eyesopen.com>
2205 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2206 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2208 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2210 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2212 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2213 * config/bfin/bfin.c (basic-block.h): Include.
2214 (struct machine_function): New.
2215 (bfin_init_machine_status): New.
2216 (override_options): Initialize init_machine_status.
2217 (bfin_hardware_loop): New.
2218 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2219 (DEF_VEC_P (loop_info)): New.
2220 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2221 (struct loop_info): New.
2222 (loop_info): New typedef.
2223 (struct loop_work): New.
2224 (loop_work): New typedef.
2225 (DEF_VEC_O (loop_work)): New.
2226 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2227 (bfin_dump_loops): New.
2228 (bfin_bb_in_loop): New.
2229 (bfin_scan_loop): New.
2230 (bfin_optimize_loop): New.
2231 (bfin_reorg_loops): New.
2232 (bfin_reorg): Use bfin_reorg_loops.
2233 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2235 (I_REGNO_P): Simplify.
2236 (DP_REGNO_P, DPREG_P): New macros.
2237 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2238 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2239 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2240 Add LT_REGS, LC_REGS, LB_REGS.
2241 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2243 (REGNO_REG_CLASS): Deal with loop registers.
2244 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2246 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2247 New constants for loop registers.
2248 (UNSPEC_LSETUP_END): New.
2249 (seq_insns): New define_attr. Set it for appropriate insns.
2250 (movsi_insn): Add alternatives for move from/to
2251 loop count registers.
2252 (doloop_end): New define_expand.
2253 (loop_end): New define_insn.
2254 (define_split for bad doloop_end): New.
2255 (lsetup_with_autoinit): New define_insn.
2256 (lsetup_without_autoinit): New define_insn.
2257 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2258 * config/bfin/predicates.md (lc_register_operand): New.
2259 (lt_register_operand): New.
2260 (lb_register_operand): New.
2261 (nondp_register_operand): New.
2262 (nondp_reg_or_memory_operand): New.
2263 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2265 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2267 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2268 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2270 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2272 * Makefile.in (CATALOGS): Add po/ prefix.
2273 * configure: Regenerated.
2275 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2278 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2279 a shift operand before calling shift_op. Avoid redundant call of
2282 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2283 DJ Delorie <dj@redhat.com>
2285 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2286 we're inserting is a singlt-bit constant.
2288 2006-05-30 Roger Sayle <roger@eyesopen.com>
2290 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2291 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2293 2006-05-30 Roger Sayle <roger@eyesopen.com>
2295 PR tree-optimization/23452
2296 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2297 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2298 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2299 complex values and with -ffast-math for FP complex values.
2301 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2303 * c-common.h: Remove the prototype for yyparse.
2304 * rtl.h: Remove the prototype for init_loop.
2306 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2308 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2311 2006-05-30 Roger Sayle <roger@eyesopen.com>
2313 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2315 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2316 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2318 2006-05-30 Dirk Mueller <dmueller@suse.de>
2321 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2322 for CONSTANT_CLASS_P expresisons.
2324 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2327 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2329 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2331 PR tree-optimization/27779
2332 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2333 initial_condition instead of CHREC_LEFT.
2335 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2337 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2338 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2339 Make prototypes ISO C90.
2341 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2342 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2344 * see.c (see_analyze_one_def): Correct check.
2345 (see_get_extension_data): Check if extension is parallel.
2346 (see_get_extension_reg): Likewise.
2348 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2351 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2352 into register for (code == GTU).
2354 2006-05-29 Roger Sayle <roger@eyesopen.com>
2356 PR tree-optimization/24964
2357 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2358 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2359 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2360 abs(x)*abs(x) as x*x for scalar floating point modes.
2362 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2365 * lambda-code.c (perfect_nestify): Don't copy statements
2366 in the inner loop: move them to the inner loop header.
2368 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2371 * c-tree.texi: Document OpenMP directives and clauses.
2373 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2375 * varasm.c (globalize_decl): Fix indentation.
2377 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2380 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2381 pass_fre, pass_store_ccp, pass_copy_prop,
2382 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2383 pass_return_slot, pass_object_size, pass_lim,
2384 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2385 pass_loop_prefetch and pass_stdarg.
2387 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2389 * config/bfin/bfin.opt (mfdpic): New option.
2390 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2391 (EXTRA_MULTILIB_PARTS): Likewise.
2392 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2393 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2395 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2396 (CRT_CALL_STATIC_FUNCTION): New.
2397 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2399 (CRT_CALL_STATIC_FUNCTION): New.
2400 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2402 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2403 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2404 (initialize_trampoline): Changed to handle FD-PIC code generation.
2405 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2406 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2407 (override_options): Disallow -mid-shared-library -mfdpic combination.
2408 Can't do unaligned ops if FD-PIC.
2409 Turn off flag_pic if trying to generate non-id-shared-library
2410 non-fdpic code, since it's not supported.
2411 (bfin_assemble_integer): New function.
2412 (TARGET_ASM_INTEGER): Define.
2413 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2415 * config/bfin/crtn.s: Restore them.
2416 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2418 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2419 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2420 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2421 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2422 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2424 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2425 FDPIC_REGS and FDPIC_FPTR_REGS.
2426 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2427 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2428 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2429 (load_funcdescsi): New pattern.
2430 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2431 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2432 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2434 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2436 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2439 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2441 * tree-flow.h: Remove the prototype for add_type_alias.
2442 * tree-ssa-alias.c (add_type_alias): Remove.
2444 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2446 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2447 config/fr30/fr30.md, config/i386/i386-interix.h,
2448 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2449 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2450 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2451 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2452 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2453 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2454 Follow spelling conventions.
2455 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2456 Follow spelling conventions.
2458 2006-05-27 Richard Guenther <rguenther@suse.de>
2461 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2462 to produce a constant of value 1 of generic type.
2464 2006-05-27 Dirk Mueller <dmueller@suse.de>
2466 * cgraphunit.c (decide_is_function_needed): Fix wrong
2469 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2471 PR rtl-optimization/27661
2472 * reload.c (find_reloads): When reloading a VOIDmode constant
2473 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2474 use Pmode as mode of the reload register.
2476 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2478 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2479 is enabled at -O and above.
2481 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2484 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2487 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2490 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2491 for anonymous variables explicitly declared by front ends.
2493 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2495 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2496 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2497 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2498 ref-all pointers, run a finalization pass for them.
2499 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2500 (finalize_ref_all_pointers): New function.
2501 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2502 regular pointer type to a ref-all pointer type.
2503 (get_tmt_for): Return the special memory tag for ref-all pointers.
2505 2006-05-25 Richard Guenther <rguenther@suse.de>
2508 * fold-const.c (fold_binary): Do not look at the stripped
2509 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2511 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2513 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2514 for LT and GT if the computed range is effectively empty.
2516 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2519 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2520 mips_quad_format formats instead of ieee_single_format,
2521 ieee_double_format and ieee_quad_format formats, respectively.
2523 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2525 PR tree-optimization/27639
2526 PR tree-optimization/26719
2527 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2528 call to scev_probably_wraps_p.
2529 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2530 used_in_pointer_arithmetic_p, convert_step): Removed.
2531 (nowrap_type_p): New function.
2532 (scev_probably_wraps_p): Rewritten.
2533 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2534 chrec_convert if chrec_convert_aggressive might have been used.
2535 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2536 scev_direction): New functions.
2537 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2538 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2539 instead of convert_step.
2540 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2541 (convert_step): Declaration removed.
2542 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2544 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2546 * df-core.c: Added to header comments.
2547 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2548 df_ur_bb_info, df_urec_bb_info): Added comments.
2549 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2550 urec, ri problems): Fixed header comments.
2551 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2552 code from df_rd_transfer_function.
2554 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2556 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2557 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2558 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2560 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2562 * expr.c (undefined_operand_subword_p): New.
2563 (emit_move_multi_word): Do not generate move from undefined bits
2564 of a paradoxical subreg.
2566 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2568 PR rtl-optimization/27736
2569 * combine.c (replaced_rhs_value): New variable.
2570 (combine_instructions): Set it.
2571 (distribute_notes): When distributing a note in replaced_rhs_insn,
2572 check whether the value was used in replaced_rhs_value.
2574 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2577 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2578 add_referenced_var instead of add_referenced_tmp_var.
2579 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2580 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2582 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2583 tree_optimize_tail_calls_1): Use add_referenced_var.
2584 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2585 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2586 Use add_referenced_var.
2587 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2588 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2589 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2590 Use add_referenced_var.
2591 * tree-dfa.c (struct walk_state): Remove.
2592 (find_referenced_vars): Remove walk state and vars_found hash table.
2593 (make_rename_temp): Use add_referenced_var.
2594 (find_vars_r): Pass less parameters to add_referenced_var.
2595 (referenced_var_p): New. Is var in referenced_var hash table.
2596 (referenced_var_insert): Assert var isn't already in hash table.
2597 (add_referenced_var): Don't need walk_state parameter. Add var if it
2598 isn't already in the hash table.
2599 (add_referenced_tmp_var): Remove.
2600 (find_new_referenced_vars_1): Use add_referenced_var.
2601 * tree-ssa-pre.c (create_expression_by_pieces,
2602 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2603 Use add_referenced_var.
2604 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2605 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2606 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2608 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2609 vect_create_data_ref_ptr, vect_create_destination_var,
2610 vect_init_vector, vect_build_loop_niters,
2611 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2612 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2613 Use add_referenced_var.
2614 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2615 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2616 (add_referenced_var): Add prototype.
2617 * tree-ssa-structalias.c (get_constraint_for,
2618 intra_create_variable_infos): Use add_referenced_var.
2620 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2622 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2623 big-endian paradoxical subregs.
2624 * var-tracking.c (struct micro_operation_def): Document that,
2625 for modify micro operations, insn is the subsequent instruction.
2626 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2627 (var_reg_set, var_mem_set): ... new functions.
2628 (add_stores): Record subsequent insn.
2629 (compute_bb_dataflow): Use new functions for MO_USE.
2630 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2631 notes after the insn, and modify notes before the insn known
2632 to be the subsequent one.
2633 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2635 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2638 * config/i386/i386.c (ix86_expand_builtin): Use
2639 gen_sse3_monitor64 for TARGET_64BIT.
2641 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2643 PR rtl-optimization/26375
2644 PR rtl-optimization/26855
2645 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2647 (df_ru_bb_local_compute): Reversed statements and removed bogus
2648 comment explaining why they should be in wrong order.
2649 (df_ru_dump, df_rd_dump): Enhanced debug info.
2650 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2652 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2653 reaching uses and fixed space problem.
2655 2006-05-23 Jan Hubicka <jh@suse.cz>
2657 * cgraphunit.c (decide_is_function_needed): Also nested functions
2658 and functions declared inline can be optimized out at -O0.
2660 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2662 * doc/install.texi (Configuration): Remove reference to CrossGCC
2666 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2669 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2670 ix86_compare_emitted is non-NULL.
2672 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2675 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2678 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2680 PR rtl-optimization/25514
2681 * combine.c (replaced_rhs_insn): New variable.
2682 (combine_instructions): Set replaced_rhs_insn when trying to replace
2683 a SET_SRC with a REG_EQUAL note.
2684 (distribute_notes): Use replaced_rhs_insn when determining the live
2685 range of a REG_DEAD register.
2687 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2688 Anatoly Sokolov <aesok@post.ru>
2690 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2691 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2692 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2693 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2694 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2695 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2696 at90usb647, at90usb1286 and at90usb1287 devices.
2697 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2698 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2700 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2702 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2704 2006-05-22 Richard Guenther <rguenther@suse.de>
2707 2006-01-31 Richard Guenther <rguenther@suse.de>
2708 Paolo Bonzini <bonzini@gnu.org>
2710 * doc/install.texi (--disable-libgcc-math): Document.
2712 2006-05-22 Richard Guenther <rguenther@suse.de>
2715 2006-01-31 Richard Guenther <rguenther@suse.de>
2717 * doc/invoke.texi (-msselibm): Document.
2718 * target.h (expand_library_builtin): New target hook.
2719 * builtins.c (expand_builtin): Use expand_library_builtin.
2720 (default_expand_library_builtin): New function.
2721 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2722 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2723 (link_gcc_math_spec): Declare.
2724 (static_specs): Add link_gcc_math_spec.
2725 * expr.h (default_expand_library_builtin): Declare.
2726 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2727 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2728 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2729 * config/i386/i386.opt (msselibm): New target option.
2730 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2731 (ix86_init_sse_abi_builtins): New function.
2732 (ix86_expand_library_builtin): Likewise.
2733 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2734 (override_options): Handle error conditions wrt -msselibm.
2735 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2736 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2737 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2740 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2743 * c-common.c (self_promoting_args_p): Skip erroneous args.
2746 * c-decl.c (finish_struct): Skip erroneous fields.
2748 2006-05-22 Nick Clifton <nickc@redhat.com>
2750 * config/cris/cris.opt (march): Remove VarExists attribute.
2751 (max-stackframe=): Likewise.
2753 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2755 * doc/rtl.texi: Fix a typo.
2756 * see.c: Fix comment typos.
2758 * tree-ssa-structalias.h (alias_info): Remove num_references.
2760 2006-05-21 Mike Stump <mrs@apple.com>
2762 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2764 (darwin_pragma_options): Use BAD instead.
2765 (darwin_pragma_unused): Likewise.
2766 (darwin_pragma_ms_struct): Likewise.
2768 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2770 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2772 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2774 PR rtl-optimization/27671
2775 * simplify-rtx.c (simplify_relational_operation_1): Fix
2776 simplifications of (eq/ne (xor x y) y) and
2777 (eq/ne (xor x y) x).
2779 PR tree-optimization/26622.
2780 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2783 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2785 * tree-cfg.c: Prune whitespace.
2786 (debug_tree_cfg): Point to correct header containing the
2789 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2792 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2794 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2797 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2798 or sorry count is non zero.
2800 2006-05-20 Andreas Schwab <schwab@suse.de>
2802 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2804 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2805 Kenneth Zadeck <zadeck@naturalbridge.com>
2807 PR rtl-optimization/26855
2809 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2811 (df_scan_alloc): Added code to properly handle multiword hard
2812 registers and add all_blocks parameter.
2813 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2814 code to properly handle multiword hard registers.
2815 (df_rescan_blocks): Added code to remove deleted blocks from
2817 (df_ref_create_structure, df_ref_record): Added code to properly
2819 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2820 and set DF_REF_PARTIAL.
2821 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2822 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2823 (df_scan_add_problem): Added flags parameter.
2824 (df_ref_create_structure): Changed switching structure.
2825 (df_bb_refs_record): Fixed case where duplicate artificial refs
2826 were created. Changed location of flags.
2827 (df_record_entry_block_defs): Added code to make stack pointer
2828 live in entry block. Refined cases where frame pointer is needed.
2829 Changed location of flags.
2830 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2831 (df_set_state): Removed function.
2832 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2833 df_insn_create_insn_record, df_insn_refs_delete,
2834 df_ref_create_structure): Formatting changes.
2835 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2836 df_delete_basic_block): New function.
2837 (df_init): Changed location of flags.
2838 (df_add_problem): Added flags parameter and the way flags are
2840 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2841 debug_df_chain): Improved debugging output.
2842 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2843 (df_refs_chain_dump): Removed df parameter.
2844 (df_iterative_dataflow): Added consistency check.
2845 (df_prune_to_subcfg): Made public.
2846 (df_analyze_problem): Added blocks_to_init parameter and made
2848 (df_ref_record, df_bb_refs_record, df_mark_reg,
2849 df_record_exit_block_uses): Whitespace changes.
2850 (df_dump): Whitespace changes.
2851 * df.h: Some reordering to remove forward references.
2852 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2853 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2854 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2855 (dataflow.flags): New field.
2856 (df.flag): Deleted field.
2857 (df_alloc_function): Added additional bitmap parameter.
2858 (df_dependent_problem_function): New type.
2859 (df_problem.changeable_flags): New field.
2860 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2861 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2862 (df_mw_hardreg): New struct.
2863 (DF_INSN_UID_MWS): New macro.
2864 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2866 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2867 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2868 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2869 (df_set_state): Removed function.
2870 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2871 * df-problems.c (df_chain_dump): Removed df parameter.
2872 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2873 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2875 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2876 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2877 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2878 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2879 DF_REF_MUST_CLOBBER cases.
2880 (df_ru_bb_local_compute_process_def,
2881 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2882 df_lr_bb_local_compute, df_ur_bb_local_compute,
2883 df_chain_create_bb): Made subreg aware.
2884 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2885 df_lr_bb_local_compute, df_lr_bb_local_compute,
2886 df_chain_create_bb): Cleanup to use proper macros.
2887 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2888 code to fixup bitvectors.
2889 (df_ri_alloc): Cleared lifetime.
2890 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2891 df_create_unused_note): New function.
2892 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2893 REG_DEAD and REG_UNUSED notes as well as register information.
2894 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2895 df_chains_dump): Fixed crash if problem was never run.
2896 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2897 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2898 df_ri_add_problem): Processes flags in uniform manner.
2899 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2900 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2901 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2902 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2903 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2904 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2905 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2906 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2907 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2908 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2909 * see.c (see_initialize_data): Ditto.
2910 * final.c (rest_of_clean_state) Added regstack_completed.
2911 * rtl.h (regstack_completed): Ditto.
2912 * reg-stack.c (regstack_completed): Ditto.
2914 2006-05-19 Mike Stump <mrs@apple.com>
2916 * c-tree.h (default_conversion): Remove.
2917 * c-common.h (default_conversion): Add.
2919 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2921 * tree-vrp.c (valid_value_p): New function.
2922 (adjust_range_with_scev): Fail if the value of bound is not
2925 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2927 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2928 (mips_fallback_frame_state): Use syscall numbers to determine
2929 the appropriate li instruction for the current ABI. Only use
2930 __NR_sigreturn for o32.
2932 2006-05-19 Nicolas Setton <setton@adacore.com>
2934 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2935 * langhooks.c (lhd_dwarf_name): New function.
2936 * langhooks-def.h (lhd_dwarf_name): Declare.
2937 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2938 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2939 * ada/misc.c (gnat_dwarf_name): New function.
2940 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2942 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2944 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2946 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2947 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2948 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2949 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2950 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2951 determine the size of Wtype, etc.
2952 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2953 (swfloatfuncs): New variable.
2954 (dwfloatfuncs): Likewise.
2955 (lib2funcs): Remove floating-point conversion functions from
2956 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2957 the set of conversion routines needed. Allow entries to specify
2958 an object name, filename and word size. Update users accordingly.
2959 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2960 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2964 2006-02-08 Roger Sayle <roger@eyesopen.com>
2967 * config/fixtfdi.c: New libgcc source file.
2968 * config/fixunstfdi.c: New source file.
2969 * config/floatditf.c: New source file.
2970 * config/floatunditf.c: New souce file.
2971 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2972 files above instead of config/mips/_tilib.c.
2973 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2975 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2977 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2978 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2980 2006-05-18 Mike Stump <mrs@apple.com>
2982 Fix up vla, vm and [*] sematics.
2988 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2989 (c_vla_unspec_p): Add.
2990 (c_vla_type_p): Add.
2991 * c-decl.c (struct c_scope): Add had_vla_unspec.
2992 (build_array_declarator): Add support for [*].
2993 (grokdeclarator): Likewise.
2994 (grokparms): Likewise.
2995 (get_parm_info): Likewise.
2996 * c-objc-common.c (c_vla_unspec_p): Likewise.
2997 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2998 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2999 typeof when argument is a variably modified type not inside sizeof or alignof.
3000 (c_parser_direct_declarator_inner): Propagate errors.
3001 (c_parser_sizeof_expression): Add support for [*].
3002 (c_parser_parms_declarator): Initialize had_vla_unspec.
3003 (c_parser_parms_list_declarator): Likewise.
3004 * c-typeck.c (c_vla_type_p): Add.
3005 (composite_type): Add support for vla compositing.
3006 (comptypes_internal): Add support for vla compatibility.
3007 (c_expr_sizeof_expr): Evaluate vla arguments.
3008 * tree.c (variably_modified_type_p): Update comment for [*].
3010 2006-05-18 Michael Matz <matz@suse.de>
3013 * config.host: Make assignments to host_xmake_file cumulative.
3014 * config.host (*-darwin*): Test $host, not $target.
3016 2006-05-12 Stuart Hastings <stuart@apple.com>
3018 * config/i386/i386.opt (-mstackrealign): New flag.
3019 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3020 (ix86_handle_cconv_attribute): Emit error when
3021 force_align_arg_pointer attribute collides with too many regparms.
3022 (ix86_function_regparm): Limit regparms when used with
3023 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3024 Support stack-realigning prologue in non-main functions. Emit
3025 warning for nested functions under -mstackrealign, emit error for
3026 nested functions with force_align_arg_pointer attribute.
3027 * doc/extend.texi (force_align_arg_pointer): Document it.
3028 * doc/invoke.texi (-mstackrealign): Document it.
3030 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3032 PR rtl-optimization/27477
3033 * combine.c (try_combine): Don't split a parallel consisting
3034 of two sets into two individual sets if both sets reference
3037 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3039 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3040 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3042 * doc/options.texi (VarExists): Updated.
3044 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3046 * unwind-dw2.c: Add declarations for uw_update_context and
3048 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3049 detected, advance frame state and context once to skip over stub.
3051 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3055 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3056 Call rewrite_into_loop_closed_ssa only when something changed.
3057 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3058 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3059 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3060 Test for perfect_nest_p here. Fix formating.
3061 (replace_uses_equiv_to_x_with_y): Fix formating.
3062 (stmt_uses_op): Removed.
3063 (can_convert_to_perfect_nest): Removed loopivs parameter.
3064 Complete the test by checking the scalar dependences.
3065 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3068 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3071 From Dan Kegel <dank@kegel.com>:
3072 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3074 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3076 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3077 if the element type is variably modified without recursing.
3079 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3082 * tree-loop-linear.c (try_interchange_loops): Test for
3083 no data dependences.
3085 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3087 PR tree-optimization/27548
3088 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3089 range of ssa names that appear on abnormal edges.
3090 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3091 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3093 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3096 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3098 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3101 * tree.h (OMP_PARALLEL_COMBINED): Define.
3102 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3103 (new_omp_context): Add is_combined_parallel argument.
3104 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3105 new_omp_context caller.
3106 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3107 Adjust gimplify_scan_omp_clauses callers.
3108 (omp_is_private): Issue errors if iteration variable is firstprivate
3109 or reduction in the current context.
3110 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3111 on combined parallel workshare constructs.
3113 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3115 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3116 (gcc-options.o): New rule.
3118 * optc-gen.awk: Protect variables for gcc-options.o with
3119 #ifdef GCC_DRIVER/#endif.
3121 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3123 Fix PR tree-optimization/27373
3124 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3125 (forward_propagate_addr_expr): Update call.
3127 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3129 * doc/options.texi: Move the Negative option.
3131 2006-05-16 Richard Guenther <rguenther@suse.de>
3133 PR tree-optimization/22303
3134 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3136 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3137 ccp_fold did not simplify the statement.
3139 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3142 * Makefile.in (GCC_OBJS): New.
3143 (OBJS-common): Add opts-common.o.
3144 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3145 (cpp$(exeext)): Likewise.
3146 (gcc.o): Also depend on opts.h.
3147 (opts-common.o): New.
3149 * common.opt (gcoff): Add Negative(gdwarf-2).
3150 (gdwarf-2): Add Negative(gstabs).
3151 (gstabs): Add Negative(gstabs+).
3152 (gstabs+): Add Negative(gvms).
3153 (gvms): Add Negative(gxcoff).
3154 (gxcoff): Add Negative(gxcoff+).
3155 (gxcoff+): Add Negative(gcoff).
3156 * config/i386/i386.opt (m32): Add Negative(m64).
3157 (m64): Add Negative(m32).
3159 * doc/options.texi: Document the Negative option.
3161 * gcc.c: Include "opts.h".
3162 (main): Call prune_options after expandargv.
3164 * optc-gen.awk: Generate common declarations for all flag
3165 variables in options.c. Output the neg_index field.
3167 * opts.c (find_opt): Moved to ...
3168 * opts-common.c: Here. New file.
3170 * opts.h (cl_option): Add a neg_index field.
3172 (prune_options): Likewise.
3174 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3177 * omp-low.c (expand_omp_parallel): Don't assert
3178 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3179 instead search for it.
3182 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3185 2006-05-16 Andreas Schwab <schwab@suse.de>
3187 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3190 2006-05-15 Roger Sayle <roger@eyesopen.com>
3193 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3194 integer constants other than zero are only legitimate on TARGET_64BIT.
3195 <CONST_VECTOR> Only zero vectors are legitimate.
3196 (ix86_cannot_force_const_mem): Integral and vector constants can
3197 always be put in the constant pool.
3199 2006-05-16 DJ Delorie <dj@redhat.com>
3201 * crtstuff.c (__dso_handle): Set section from
3202 TARGET_LBIGCC_SDATA_SECTION if defined.
3203 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3204 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3206 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3209 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3212 2006-05-16 Ben Elliston <bje@au.ibm.com>
3214 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3216 2006-05-15 Per Bothner <per@bothner.com>
3218 * tree.c: (last_annotated_node): Use source_locus typedef.
3219 This permits bootstrapping with --enable-mapped-location.
3221 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3223 PR tree-optimization/26830
3224 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3225 (info_for_ssa_name, current_info_for_ssa_name_age,
3226 blocks_to_update): New variables.
3227 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3228 (clear_ssa_name_info, initialize_flags_in_bb,
3229 mark_block_for_update): New functions.
3230 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3231 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3232 prepare_def_site_for): Use mark_block_for_update.
3233 (mark_def_interesting): Assert that the processed block is marked in
3234 blocks_to_update. Do not take blocks argument.
3235 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3237 (rewrite_update_init_block, rewrite_update_stmt): Only process
3238 blocks with statements to rewrite.
3239 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3240 (update_ssa): Initialize and free blocks_to_update. Do not
3241 clear flags on statements. Do not use blocks bitmap.
3242 * tree.h (SSA_NAME_AUX): Removed.
3243 (struct tree_ssa_name): Removed aux field.
3244 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3246 2006-05-15 Richard Guenther <rguenther@suse.de>
3248 PR tree-optimization/27603
3249 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3250 Do computations in original type.
3252 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3254 * see.c: Code style changes such as redundant paranthesis,
3255 redundant intialization of local variables etc.
3256 (see_main): Declared now as static.
3257 * doc/invoke.texi: Update that -fsee is not enabled by
3260 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3262 * omp-low.c (check_omp_nesting_restrictions): New function.
3263 (scan_omp_1): Call it.
3266 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3267 construct, return *VAR.
3269 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3271 PR rtl-optimization/27406
3272 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3275 2006-05-14 Roger Sayle <roger@eyesopen.com>
3277 PR rtl-optimization/27538
3278 * combine.c (expand_compound_operation): Call gen_lowpart
3279 before calling simplify_shift_const.
3281 2006-05-14 Roger Sayle <roger@eyesopen.com>
3283 PR rtl-optimization/22563
3284 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3285 a fixed width bitfield, always force the intermediates into psuedos.
3287 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3290 * mkconfig.sh: Use operator = instead of == for test.
3292 2006-05-13 Nick Clifton <nickc@redhat.com>
3294 * dwarf2out.c (dbx_reg_number): Check return value from
3295 LEAF_REG_REMAP and only use it if it is valid.
3296 (multiple_reg_loc_descriptor): Likewise.
3298 2006-05-13 Richard Guenther <rguenther@suse.de>
3300 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3303 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3305 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3306 information attached to non-INSNs such as NOTEs.
3307 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3309 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3311 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3313 * config/s390/s390.md: Adjust comment describing On constraint.
3315 2006-05-11 Jan Hubicka <jh@suse.cz>
3317 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3318 to be output at -O0.
3320 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3323 * fold-const.c (size_binop): Move sanity check for arguments to
3324 the beginning of the function.
3327 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3330 2006-05-11 Richard Guenther <rguenther@suse.de>
3333 * fold-const.c (fold_unary): Handle intermediate conversion
3334 to a pointer type like intermediate conversion to an integer
3335 type in folding of (T1)(T2)var to var.
3336 Match the code to the comment in the final conversion for
3337 (T1)(T2)var to (T1)var regarding to type precision. Rather
3338 than disallow T1 being of pointer type, assert that both T1
3339 and var are of pointer type or not. Make sure not to fall
3340 over the frontends lazyness wrt array to pointer decay though.
3342 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3344 * arm.c (arm_struct_value_rtx): Delete.
3345 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3346 (arm_init_cumulative_args): Always initialize nregs to zero.
3348 2006-05-10 Richard Guenther <rguenther@suse.de>
3350 PR tree-optimization/27532
3351 * tree-object-size.c (plus_expr_object_size): Fix typo.
3353 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3356 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3357 ashrdi_const, ashrdi3): Use a scratch register.
3359 2006-05-10 Richard Guenther <rguenther@suse.de>
3361 PR tree-optimization/27302
3362 * fold-const.c (operand_equal_p): For two comparisons,
3363 try comparison of one comparison code swapped if that yields
3366 2006-05-10 Ben Elliston <bje@au.ibm.com>
3368 * tree-pretty-print.c (pretty_print_string): No need to handle
3369 '\0' as a special character.
3371 * tree.h: Include "hashtab.h".
3372 (iterative_hash_expr): Use hashval_t in its prototype.
3373 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3375 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3378 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3379 (hppa*64*-*-hpux11*): Ditto.
3380 (hppa[12]*-*-hpux11*): Ditto.
3382 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3385 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3387 2006-05-09 Michael Matz <matz@suse.de>
3389 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3390 host_extra_gcc_objs and host_xmake_file.
3391 (<*-*-linux*>): Don't overwrite host_xmake_file.
3392 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3393 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3394 (host_detect_local_cpu): Declare.
3395 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3396 * config/i386/i386.c (override_options): Handle -mtune=native
3398 * config/i386/x-i386: New file.
3399 * config/i386/driver-i386.c: New file.
3400 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3403 2006-05-09 Dirk Mueller <dmueller@suse.de>
3404 Richard Guenther <rguenther@suse.de>
3407 * fold-const.c (fold_read_from_constant_string): Relax check
3408 for matching types to matching modes.
3410 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3412 PR rtl-optimization/27335
3413 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3416 2006-05-08 Chao-ying Fu <fu@mips.com>
3417 Richard Sandiford <richard@codesourcery.com>
3419 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3420 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3421 * config/mips/mips.md (UNSPEC_SCC): New constant.
3422 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3423 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3424 (mips_emit_compare): Use it.
3425 (mips_expand_vcondv2sf): New function.
3427 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3429 Fix PR tree-optimization/27093
3430 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3431 renaming when they become not-used_alone.
3433 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3435 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3436 relocation and relocation stubs.
3438 2006-05-08 Eric Christopher <echristo@apple.com>
3440 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3443 2006-05-08 Jan Hubicka <jh@suse.cz>
3446 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3447 unused static functions are needed.
3449 2006-05-08 Roger Sayle <roger@eyesopen.com>
3452 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3453 of a reg_equiv_constant if the result is a legitimate constant.
3455 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3458 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3459 standard 80387 constants, raise the cost to prevent
3460 compress_float_constant() to generate load from memory.
3462 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3464 * config/arm/constraints.md (c): Fix a typo.
3466 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3469 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3472 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3474 (_mm_mwait): Likewise.
3476 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3478 (sse3_monitor): Make it 32bit only.
3479 (sse3_monitor64): New. 64bit monitor.
3481 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3484 * config/i386/i386.c (classify_argument): Skip fields with invalid
3487 2006-05-07 Richard Guenther <rguenther@suse.de>
3489 PR tree-optimization/27409
3490 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3491 Do not try to find zero-sized subvars.
3493 2006-05-07 Richard Guenther <rguenther@suse.de>
3495 PR tree-optimization/27136
3496 * tree-ssa-loop-niter.c (get_val_for): Correct function
3497 comment, assert requirements.
3498 (loop_niter_by_eval): Stop processing if the iterated
3499 value did not simplify.
3501 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3503 * opts.c (flag_see): remove its setting at -O3.
3505 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3507 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3508 * arm/constraints.md: New file.
3509 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3510 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3511 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3512 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3513 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3514 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3515 * arm.md: Include constraints.md.
3516 (thumb_movsi_insn): Use satisfies_constraint_J.
3517 (movhi, movqi): Use satisfies_constraint_I.
3519 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3521 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3522 for atmeg a645 device.
3524 2006-05-06 Richard Guenther <rguenther@suse.de>
3526 PR tree-optimization/27151
3527 * tree-vect-transform.c (vectorizable_condition): Punt on
3528 values that have a different type than the condition.
3530 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3533 * c-parser.c (c_parser_cast_expression): Only insert casts into
3534 hash table if pointer.
3535 * function.c (used_types_insert_helper): Rename from
3537 (used_types_insert): Call used_types_insert_helper.
3538 * function.h (used_types_insert): Accept only one argument.
3540 2006-05-05 David Edelsohn <edesohn@gnu.org>
3542 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3543 scratch with output modifier.
3545 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3548 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3549 with output modifier.
3551 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3554 * config/mips/mips.c (mips_symbolic_address_p): Return true
3555 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3556 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3558 2006-05-04 Richard Guenther <rguenther@suse.de>
3560 PR tree-optimization/14287
3561 PR tree-optimization/14844
3562 PR tree-optimization/19792
3563 PR tree-optimization/21608
3564 PR tree-optimization/27090
3565 * tree-ssa-pre.c (try_combine_conversion): New function.
3566 (compute_avail): After constructing the value-handle
3567 expression, use try_combine_conversion to combine NOP_EXPRs
3568 with previous value-handle expressions and use the result if it
3571 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3573 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3575 2006-05-04 Jan Hubicka <jh@suse.cz>
3578 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3580 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3582 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3583 that this only matches CONST_INTs. All users changed to VOIDmode
3586 * config/bfin/bfin.c: Include "optabs.h".
3587 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3589 (enum bfin_builtins): Add a number of fractional and vector builtins.
3590 (bfin_init_builtins): Likewise.
3591 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3592 (safe_vector_operand, bfin_expand_binop_builtin,
3593 bfin_expand_unop_builtin): New functions.
3594 (bfin_expand_builtin): Handle the new builtins.
3595 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3598 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3601 * Makefile.in (OBJS-common): Add see.o.
3602 (see.o): Add dependencies.
3603 * common.opt (fsee): New flag for the see optimization was added.
3604 * opts.c (flag_see): Initialized.
3605 * passes.c (init_optimization_passes, pass_see): New pass.
3606 * rtl.h (see_main): Declaration as extern.
3607 * timevar.def (TV_SEE): New.
3608 * tree-pass.h (pass_see): Declaration as extern.
3609 * invoke.texi (-fsee): Document.
3610 * recog.c (validate_simplify_insn): New function.
3611 * recog.h (validate_simplify_insn): Declaration as extern.
3612 * df-problems.c (df_chain_dump): Check for NULL.
3614 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3615 Daniel Berlin <dberlin@dberlin.org>
3617 * cfgrtl.c (insert_insn_bb_end_new): New function.
3618 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3620 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3622 * df.h (struct web_entry): Moved from web.c.
3623 (union_defs): Declaration as extern.
3624 (unionfind_root): Likewise.
3625 (unionfind_union): Likewise.
3626 * web.c (struct web_entry): Moved to df.h.
3627 (unionfind_root): Remove static declaration.
3628 (unionfind_union): Likewise.
3629 (union_defs): Likewise and generalize to use callback function.
3630 (web_main): Update arguments for union_defs function call.
3632 2006-05-04 Richard Guenther <rguenther@suse.de>
3634 PR tree-optimization/26447
3635 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3636 produce SSA_NAME copies before the store stmt to avoid
3637 breaking exception handling.
3639 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3642 * gimplify.c (omp_is_private): If var is shared in some outer context,
3643 return false instead of true. Stop searching on parallel context
3646 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3649 * coverage.c: Use get_gcov_unsigned_t() instead of
3650 unsigned_type_node all over.
3652 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3654 PR tree-optimization/27381
3655 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3656 maintain the same immediate_use links.
3657 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3658 node rather than segfaulting.
3660 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3663 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3664 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3665 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3667 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3669 Fix PR tree-optimization/26626
3670 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3672 * tree-ssa-operands.c (access_can_touch_variable): Allow
3673 typecasting through union pointers.
3675 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3678 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3679 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3680 to find if var will be a global variable even in the nested context.
3681 (omp_copy_decl): Only check for global variable at the end, it might
3682 be overridden in outer contexts.
3683 (scan_sharing_clauses): For global variables don't create a field.
3684 (lower_rec_input_clauses): Do nothing for global shared variables.
3685 Emit a barrier at the end of ILIST if there were any decls in both
3686 firstprivate and lastprivate clauses.
3687 (lower_send_clauses): Do nothing for global variables except for
3690 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3692 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3693 of the correct signedness is returned.
3695 2006-05-02 Jeff Law <law@redhat.com>
3697 PR tree-optimization/27364
3698 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3699 multiply expressions.
3701 2006-05-02 Tom Tromey <tromey@redhat.com>
3703 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3705 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3708 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3709 -mthumb -fPIC are used.
3711 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3712 Joshua Kinard <kumba@gentoo.org>
3715 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3716 with 64-bit pointers.
3718 2006-05-02 Paul Brook <paul@codesourcery.com>
3720 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3722 (create_fix_barrier): Check that a suitable barrier location is
3724 (arm_reorg): Include ftmp->address in allowable range of addresses.
3726 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3729 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3732 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3735 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3736 around RESULT_DECL for result passed by reference.
3737 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3738 * omp-low.c (use_pointer_for_field): Don't look at
3739 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3740 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3741 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3742 time or var for passing by reference for
3743 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3744 TREE_ADDRESSABLE variables when passing by reference.
3746 * omp-low.c (dump_omp_region): Fix output formatting.
3749 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3750 (expand_omp_parallel): Likewise.
3751 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3754 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3755 on statement list containing also constructors and destructors.
3756 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3759 * except.c (duplicate_eh_regions): Fix clearing of
3760 cfun->eh->region_array entries.
3762 2006-05-01 DJ Delorie <dj@redhat.com>
3764 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3766 (gcc_cv_objdump): Likewise.
3767 * configure: Regenerated.
3769 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3772 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3773 templates for case 3 and 4.
3775 2006-05-01 DJ Delorie <dj@redhat.com>
3777 * vec.c: Include bconfig.h when appropriate.
3778 * Makefile.in (build/vec.o): Adjust dependencies.
3779 * mkconfig.sh: Make sure config.h isn't used for build machine
3782 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3784 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3786 (mark_phi_for_rewrite): New function.
3787 (insert_phi_nodes_for, mark_use_interesting): Call
3788 mark_phi_for_rewrite.
3789 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3790 (update_ssa): Initialize and free phis_to_rewrite.
3792 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3794 PR rtl-optimization/27291
3795 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3796 folded to a constant.
3798 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3800 PR tree-optimization/27283
3801 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3802 not whole # of iteration descriptions.
3803 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3804 uses abnormal ssa name.
3805 (niter_for_single_dom_exit): Ditto.
3806 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3807 return just the number of iterations.
3809 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3811 PR tree-optimization/27144
3812 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3813 (record_estimate): Only record constant upper bound.
3814 (infer_loop_bounds_from_undefined): Call
3815 compute_estimated_nb_iterations just once.
3816 (proved_non_wrapping_p): Renamed to ...
3817 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3818 (convert_step_widening, scev_probably_wraps_p): Call
3819 n_of_executions_at_most instead of proved_non_wrapping_p.
3820 (substitute_in_loop_info): Do not replace values in bounds.
3821 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3824 2006-05-01 Richard Henderson <rth@redhat.com>
3827 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3828 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3831 2006-05-01 Roger Sayle <roger@eyesopen.com>
3833 * c-typeck.c (parser_build_binary_op): Don't call the function
3834 unsigned_conversion_warning to spot operand/result type overflow.
3835 (build_binary_op): Instead, call convert_and_check instead of
3836 convert to report the problem when the operands are promoted.
3837 * c-common.c (unsigned_conversion_warning): Make static.
3838 * c-common.h (unsigned_conversion_warning): Delete prototype.
3840 2006-05-01 Richard Guenther <rguenther@suse.de>
3842 PR tree-optimization/26726
3843 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3845 (find_interesting_uses_address): ... we work around here
3846 by folding INDIRECT_REFs in the substituted base.
3848 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3850 * omp-low.c (dump_omp_region): Add newlines.
3852 2006-04-30 Roger Sayle <roger@eyesopen.com>
3854 * common.opt (Woverflow): New command line option.
3855 * c-common.c (constant_expression_warning): Check warn_overflow.
3856 (overflow_waring): Pass OPT_Woverflow to warning.
3857 (unsigned_conversion_warning): Likewise.
3858 (convert_and_check): Likewise.
3859 * doc/invoke.texi: Document new command line option.
3861 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3863 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3864 TARGET_NO_FP_IN_TOC for section anchors.
3865 (optimization_options): Enable section anchors for all
3866 non-"Objective" languages.
3868 2006-04-28 Eric Christopher <echristo@apple.com>
3870 * config/darwin-c.c (darwin_ms_struct): Move this
3871 (darwin_set_default_type_attributes): and this...
3872 * config/darwin.c: ... here.
3873 * config/darwin.h (darwin_ms_struct): Declare.
3875 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3877 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3879 2006-04-28 Roger Sayle <roger@eyesopen.com>
3882 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3883 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3884 an unsigned HOST_WIDE_INT.
3885 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3887 (really_start_incremental_init): No need to call convert because
3888 bitsize_zero_node is already of type bitsizetype.
3889 (push_init_level): Extract the value of constructor_index as an
3890 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3891 (process_init_element): Likewise.
3893 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3895 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3896 value before passing to make_relative_prefix.
3898 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3901 * builtins.c (expand_builtin_memset): Expand val in original mode.
3903 2006-04-27 Eric Christopher <echristo@apple.com>
3905 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3906 with #ifndef/#endif.
3907 * config/darwin-c.c (darwin_ms_struct): New.
3908 (darwin_pragma_ms_struct): Ditto.
3909 (darwin_set_default_type_attributes): Ditto.
3910 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3911 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3912 Register ms_struct pragma.
3913 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3914 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3915 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3916 darwin_set_default_type_attributes if TARGET_MACHO.
3918 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3920 PR tree-optimization/26854
3921 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3922 * doc/tree-ssa.texi: Update immuse iterator documentation.
3923 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3924 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3925 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3926 first_safe_imm_use, next_safe_imm_use): Remove.
3927 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3928 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3929 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3930 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3931 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3932 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3933 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3934 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3935 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3936 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3937 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3938 (perfect_nestify): Use new iterator.
3939 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3941 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3942 (next_imm_name): New field in struct immediate_use_iterator_d.
3943 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3944 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3945 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3946 * tree-cfg.c (replace_uses_by): Use new iterator.
3947 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3948 * tree-ssa-operands.c (correct_use_link): Remove.
3949 (finalize_ssa_use_ops): No longer call correct_use_link.
3951 2006-04-27 Stuart Hastings <stuart@apple.com>
3953 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3954 * config/t-darwin (crt3.o): Use it.
3955 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3956 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3957 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3958 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3959 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3962 2006-04-27 Roger Sayle <roger@eyesopen.com>
3964 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3965 size, force the intermediate into a new pseudo rather instead of
3966 performing both a bitwise AND and a bitwise IOR in memory.
3968 2006-04-27 Richard Guenther <rguenther@suse.de>
3970 PR rtl-optimization/26685
3971 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3972 this one "max-flow-memory-locations".
3974 2006-04-27 Richard Guenther <rguenther@suse.de>
3976 PR tree-optimization/25148
3977 * tree-vrp.c (compare_values): Remove code dealing with
3978 comparisons against type min/max value. Honour overflow
3979 and negative constants in code dealing with comparisons
3980 of plus and minus expressions.
3981 (value_inside_range): Use fold_binary with LE_EXPR and
3982 GE_EXPR rather than compare_values.
3984 2006-04-27 Dirk Mueller <dmueller@suse.de>
3986 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3989 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3991 * basic-block.h (safe_insert_insn_on_edge): Removed.
3992 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3994 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3995 Paolo Bonzini <bonzini@gnu.org>
3998 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3999 (simplify_and_const_int): Same.
4001 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4003 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4005 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4008 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4009 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4010 cgraph_global_info_ready.
4013 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4016 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4017 either decl or init is error_mark_node.
4020 * tree-flow.h (struct omp_region): Add sched_kind.
4021 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4022 instead of extracting omp for data.
4023 (expand_omp_for): Save extracted sched_kind.
4025 2006-04-25 Roger Sayle <roger@eyesopen.com>
4027 * expmed.c (store_bit_field): Also check whether the bitsize is
4028 valid for the machine's "insv" instruction before moving the
4029 target into a pseudo for use with the insv.
4030 * config/i386/predicates.md (const8_operand): New predicate.
4031 * config/i386/i386.md (extv, extzv, insv): Use the new
4032 const8_operand predicate where appropriate.
4034 2006-04-25 DJ Delorie <dj@redhat.com>
4036 * doc/install.texi (Specific): Clarify that this is not a list of
4037 supported hosts or targets.
4039 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4041 PR rtl-optimization/26725
4042 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4043 block's BB_DIRTY flag.
4045 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4047 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4050 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4051 to print an integer.
4053 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4055 * varasm.c (align_variable): New function.
4056 (get_block_for_decl): Apply align_variable to DECL before
4057 calculating section information.
4058 (assemble_variable): Split out alignment computation.
4060 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4062 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4065 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4067 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4068 MODE_PARTIAL_INT mode.
4069 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4070 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4072 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4073 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4075 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4077 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4079 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4080 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4081 MACFLAG_IH): Likewise.
4082 (movstricthi_1): Renamed from "*movstricthi".
4083 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4084 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4085 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4086 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4087 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4088 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4089 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4090 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4091 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4092 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4093 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4094 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4095 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4096 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4097 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4099 * doc/rtl.texi (ss_ashift): Improve wording.
4101 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4103 * dwarf2out.c (verify_marks_clear): New.
4104 (prune_unused_types): Call verify_marks_clear initially, not
4107 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4109 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4110 * doc/rtl.texi: Document them.
4111 * simplify-rtx.c (simplify_unary_operation,
4112 simplify_binary_operation_1): Don't abort when we see them.
4114 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4117 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4118 * configure.ac: Completely disregard languages that are not
4120 * configure: Regenerated.
4122 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4123 Richard Guenther <rguenther@suse.de>
4125 PR tree-optimization/27236
4126 * tree-inline.c (copy_body_r): Make sure to copy
4127 TREE_THIS_VOLATILE flag.
4129 2006-04-24 Richard Guenther <rguenther@suse.de>
4132 * tree-complex.c (update_parameter_components): Don't handle
4133 unused parameters which have no default def.
4135 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4136 Richard Guenther <rguenther@suse.de>
4138 PR tree-optimization/27218
4139 * tree-inline.c (expand_call_inline): Strip useless type
4140 conversions for the return slot address.
4142 2006-04-24 Richard Guenther <rguenther@suse.de>
4144 * cfgloop.h (struct loops): Remove unused field array. Reorder
4146 (LOOP_PREFETCH): Remove.
4148 2006-04-24 Richard Guenther <rguenther@suse.de>
4150 PR tree-optimization/22525
4151 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4152 variable, adjust types of generated expressions.
4154 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4156 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4157 (tree-vect-patterns.o): Likewise.
4159 (cselib.o): Likewise.
4160 (loop-doloop.o): Likewise.
4161 (regclass.o): Likewise.
4162 (reload1.o): Likewise.
4163 (explow.o): Replace target.h with $(TARGET_H).
4164 (ipa-prop.o): Likewise.
4165 (ipa-cp.o): Likewise.
4166 (ipa-inline.o): Likewise.
4167 (reorg.o): Likewise.
4168 (reg-stack.o): Likewise.
4170 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4172 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4174 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4176 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4178 * configure.ac: Completely disregard languages that are not
4180 * configure: Regenerated.
4183 * c-common.h (c_build_bitfield_integer_type): Declare.
4184 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4185 * c-common.c (c_build_bitfield_integer_type): ... here.
4187 2006-04-23 Roger Sayle <roger@eyesopen.com>
4190 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4191 a SImode SUBREG of a floating point register after no_new_pseudos.
4193 2006-04-23 Roger Sayle <roger@eyesopen.com>
4195 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4196 identify potentially eliminable registers to additionally catch
4197 VIRTUAL_INCOMING_ARGS_REGNUM.
4198 (addsi3): Update the conditions on when to use addsi_small_int.
4200 2006-04-23 Roger Sayle <roger@eyesopen.com>
4203 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4204 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4205 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4207 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4209 * fold-const.c (range_predecessor): Use operand_equal_p
4210 as the predicate for equality.
4211 (range_successor): Likewise.
4213 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4216 * config/soft-fp/op-common.h: Fix a typo.
4218 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4221 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4222 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4224 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4226 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4228 * doc/tm.texi: Fix a typo.
4230 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4232 * dwarf2out.c (struct die_struct): Document that die_sib makes
4233 a circular linked list.
4234 (FOR_EACH_CHILD): New.
4235 (reverse_die_lists): Delete.
4236 (reverse_all_dies): Delete.
4237 (add_dwarf_attr): Correct documentation.
4238 (remove_child_with_prev): New.
4239 (remove_child_TAG): Update for change to die_struct, use
4240 remove_child_with_prev.
4241 (add_child_die): Update for change to die_struct.
4242 (splice_child_die): Use remove_child_with_prev and add_child_die.
4243 (print_die): Use FOR_EACH_CHILD.
4244 (die_checksum): Likewise.
4245 (assign_symbol_names): Likewise.
4246 (output_location_lists): Likewise.
4247 (build_abbrev_table): Likewise.
4248 (calc_die_sizes): Likewise.
4249 (mark_dies): Likewise.
4250 (unmark_dies): Likewise.
4251 (unmark_all_dies): Likewise.
4252 (output_die): Likewise.
4253 (prune_unused_types_mark): Likewise.
4254 (prune_unused_types_walk): Likewise.
4255 (same_die_p): Update for change to die_struct.
4256 (break_out_includes): Likewise.
4257 (prune_unused_types_prune): Likewise.
4258 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4259 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4261 (dwarf2out_finish): Don't call reverse_all_dies.
4263 2006-04-21 Eric Christopher <echristo@apple.com>
4265 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4266 in comments and function names.
4268 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4271 * c-typeck.c (digest_init): Robustify.
4273 * c-typeck.c (pop_init_level): Simplify.
4275 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4277 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4279 2006-04-21 Paul Brook <paul@codesourcery.com>
4281 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4282 hardware floating point.
4284 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4286 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4289 2006-04-21 Nick Clifton <nickc@redhat.com>
4291 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4294 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4297 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4298 C++ lang type in traceback table for Objective-C++.
4300 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4302 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4304 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4306 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4309 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4310 were errors. Remove check for erroneous objects.
4312 2006-04-20 Jeff Law <law@redhat.com>
4314 PR tree-optimization/26854
4315 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4316 checking for zero or one use.
4317 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4318 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4319 * tree-ssa-reassoc.c (negate_value): Similarly.
4320 (reassociate_bb): Similarly.
4322 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4324 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4325 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4326 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4328 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4330 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4331 fp regs if the last fp arg doesn't fit in regs.
4333 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4336 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4337 that the last insn has the REG_INC note.
4339 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4340 Nathan Sidwell <nathan@codesourcery.com>
4343 * stor-layout.c (update_alignment_for_field): Do not align
4345 (place_union_field): Place union field at the start of the union.
4346 (place_field): Move ERROR_MARK check later, and use the current
4347 allocation position to maintain monotonicity.
4349 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4351 * dominance.c: Include timevar.h.
4352 (calculate_dominance_info): Use TV_DOMINANCE.
4353 * timevar.def (TV_DOMINANCE): New timevar.
4354 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4356 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4358 PR rtl-optimization/14261
4359 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4360 move would be an INSV insn.
4361 (noce_process_if_block): Don't optimize if the destination is a
4362 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4364 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4366 * config/s390/s390.md: Add comments with the instructions emitted
4367 by an insn pattern if macros are used.
4369 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4371 PR rtl-optimization/26026
4372 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4373 is a known power of two shifted left a variable amount.
4375 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4377 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4378 to hash table twice when the debug_str section has SECTION_MERGE.
4380 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4382 * config/soft-fp: New directory. From glibc.
4383 * config/soft-fp/t-softfp: New.
4384 * config/soft-fp/README: New.
4385 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4386 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4387 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4388 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4389 * config.gcc: Use rs6000/t-fprules-fpbit or
4390 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4392 * config/rs6000/sfp-machine.h: New. Based on glibc.
4393 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4395 * config/rs6000/t-fprules: Remove fp-bit rules.
4396 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4397 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4398 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4399 (softfp_wrap_start, softfp_wrap_end): New.
4401 2006-04-18 DJ Delorie <dj@redhat.com>
4403 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4405 2006-04-18 Devang Patel <dpatel@apple.com>
4407 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4409 2006-04-18 Nick Clifton <nickc@redhat.com>
4411 * config/sh/t-symbian: Add rule to build sh-c.o
4412 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4413 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4414 (sh_symbian_encode_section_info): Likewise.
4416 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4418 * builtins.c (expand_builtin_strcmp): Cover label definition of
4419 do_libcall with HAVE_cmpstrnsi.
4421 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4423 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4425 * function.h (temp_slot_p): New.
4426 (function): Change the type of x_used_temp_slots to
4427 VEC(temp_slot_p,gc) *.
4429 2006-04-18 Nick Clifton <nickc@redhat.com>
4431 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4432 flag_strength_reduce.
4434 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4436 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4440 Partial revert of revision 112637
4441 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4442 Dale Johannesen <dalej@apple.com>
4445 * regclass.c (struct reg_pref): Update documentation.
4446 (regclass): Set prefclass to NO_REGS if memory is the best option.
4447 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4449 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4451 PR tree-optimization/26821
4452 * tree-ssa-math-opts.c (get_constant_one): New.
4453 (insert_reciprocals): Use it.
4455 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4457 * dwarf2out.c (free_AT): Delete.
4458 (remove_AT): Update string ref counts.
4459 (remove_child_TAG): Don't call free_die.
4461 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4462 or DW_TAG_GNU_EINCL.
4463 (prune_unused_types_walk_attribs): Reset string refcounts.
4464 (prune_unused_types_update_strings): New.
4465 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4466 call free_die. Do call prune_unused_types_update_strings.
4467 (prune_unused_types): Empty debug_str_hash.
4469 2006-04-17 Roger Sayle <roger@eyesopen.com>
4471 * expr.c (expand_assignment): Optimize away no-op moves where the
4472 source and destination are equal and have no side-effects.
4474 2006-04-17 Richard Guenther <rguenther@suse.de>
4477 * reload.c (push_reload): Guard calls to get_secondary_mem
4480 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4482 * alias.c (reg_base_value, old_reg_base_value): Change the
4483 type to VEC(rtx,gc) *.
4484 (REG_BASE_VALUE, find_base_value, record_set,
4485 init_alias_analysis): Use VEC instead of VARRAY.
4487 * alias.c (alias_sets): Change the type to
4488 VEC(alias_set_entry,gc) *.
4489 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4490 VEC instead of VARRAY.
4491 (last_alias_set): Remove.
4493 * cgraph.h (cgraph_edge_p): New.
4494 Update the prototype of cgraph_function_versioning.
4495 * cgraphunit.c (cgraph_copy_node_for_versioning,
4496 cgraph_function_versioning): Use VEC instead of VARRAY.
4497 * ipa-cp.c (ipcp_insert_stage): Likewise.
4499 2006-04-16 Roger Sayle <roger@eyesopen.com>
4502 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4503 "A op B" or "A op C", we may need to convert A to the type of B and C.
4505 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4507 * target.h (struct gcc_target): Add mode_rep_extended.
4508 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4509 (init_num_sign_bit_copies_in_rep): Initialize it using
4511 (truncate_to_mode): Use it.
4512 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4513 * targhooks.h (default_mode_rep_extended): Declare it.
4514 * targhooks.c (default_mode_rep_extended): Define it.
4515 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4516 default_mode_rep_extended.
4517 (TARGET_INITIALIZER): Include it.
4518 * doc/tm.texi (Misc): Document it.
4519 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4520 (mips_truncated_to_mode): New function.
4522 2006-04-16 Roger Sayle <roger@eyesopen.com>
4525 * expr.c (compress_float_constant): Copy the narrow constant into
4526 a new pseudo before extending it to its final width.
4528 2006-04-16 Roger Sayle <roger@eyesopen.com>
4529 Andrew Pinski <pinskia@gcc.gnu.org>
4530 Dale Johannesen <dalej@apple.com>
4533 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4534 special case code to implement V8HImode and V16QImode with SSE2.
4536 2006-04-15 Roger Sayle <roger@eyesopen.com>
4538 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4539 trees are constructed with a suitable tree type.
4541 2006-04-15 Roger Sayle <roger@eyesopen.com>
4543 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4544 (integer_onep): Likewise.
4545 (integer_all_onesp): Likewise.
4546 (integer_pow2p): Likewise.
4547 (integer_nonzerop): Likewise.
4548 (real_zerop): Likewise.
4549 (real_onep): Likewise.
4550 (real_twop): Likewise.
4551 (real_minus_onep): Likewise.
4552 (int_size_in_bytes): Likewise.
4553 (host_integerp): Likewise.
4555 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4557 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4558 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4559 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4561 * tree-ssa-structalias.h (alias_info): Remove num_references.
4563 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4565 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4566 (output_bvb patterns): Likewise.
4567 * pa.c (output_bb): Use 'bb' insn for long branch case.
4568 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4569 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4570 1. Correct length operand for alternatives 1 and 2.
4571 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4572 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4574 2006-04-14 Roger Sayle <roger@eyesopen.com>
4576 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4577 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4578 were accidentally reverted by r112959.
4580 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4583 * except.h (eh_region_outermost): New prototype.
4584 * except.c (eh_region_outermost): New function.
4585 * tree-cfg.c (find_outermost_region_in_block): Use it.
4587 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4589 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4591 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4592 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4593 (init_reload, reload): Use VEC instead of VARRAY.
4594 * reload.h: Update the prototype for
4595 reg_equiv_memory_loc_varray.
4597 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4598 Eric Botcazou <ebotcazou@libertysurf.fr>
4600 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4603 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4606 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4607 to expand fallback builtin function call.
4609 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4612 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4613 and emit libcall here in case the builtin fails.
4614 (expand_builtin_strcmp): Always emit the libcall here on failure.
4616 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4618 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4619 * flow.c (reg_n_info): Change the type to
4620 VEC(reg_info_p,heap) *.
4621 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4623 * regs.h (reg_info_p): New.
4624 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4625 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4626 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4629 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4631 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4633 * params.h (MAX_SCHED_READY_INSNS): New macro.
4634 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4635 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4636 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4637 the ready list for 1 cycle during the first scheduling pass.
4638 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4640 2006-04-13 Richard Henderson <rth@redhat.com>
4643 * gimple-low.c (lower_omp_directive): Remove dead code.
4644 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4645 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4646 * omp-low.c (struct omp_region): Move to tree-flow.h.
4647 (root_omp_region): Export.
4648 (omp_regions, lookup_omp_region): Remove.
4649 (determine_parallel_type): Update for struct omp_region changes.
4650 (dump_omp_region): Dump regions with block numbers.
4651 (new_omp_region): Take type and block instead of stmt; malloc
4653 (free_omp_region_1, free_omp_regions): New.
4654 (expand_parallel_call): Take entry_stmt as argument; update for
4655 changes to omp_region.
4656 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4657 (remove_exit_barriers): New.
4658 (expand_omp_parallel): Update for struct omp_region changes.
4659 (expand_omp_synch): Likewise.
4660 (expand_omp): Likewise.
4661 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4662 (expand_omp_for_static_chunk): Likewise.
4663 (expand_omp_for): Likewise.
4664 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4665 (expand_omp_sections): Similarly, with GOMP_sections_end.
4666 (expand_omp_single): New.
4667 (build_omp_regions_1): Update for OMP_CONTINUE.
4668 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4669 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4670 OMP_SECTIONS_SECTIONS.
4671 (lower_omp_single_simple): Don't emit barrier here.
4672 (lower_omp_single_copy): Likewise.
4673 (lower_omp_single): Fix bindings, and lower to straightline now.
4674 (lower_omp_master, lower_omp_ordered): Likewise.
4675 (lower_omp_critical): Likewise.
4676 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4677 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4678 omp edges, free it afterward.
4679 (make_omp_sections_edges): Remove.
4680 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4681 (move_stmt_r): Handle OMP_CONTINUE.
4682 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4683 statement pointers to basic blocks. Add type member.
4684 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4685 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4686 * tree-inline.c (estimate_num_insns_1): Likewise.
4687 * tree-pretty-print.c (dump_generic_node): Likewise.
4688 * tree-ssa-operands.c (get_expr_operands): Likewise.
4689 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4690 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4691 (OMP_CONTINUE): New.
4692 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4693 (OMP_SECTIONS_SECTIONS): Remove.
4694 (OMP_SECTION_LAST): New.
4695 (OMP_RETURN_NOWAIT): New.
4697 2006-04-13 Roger Sayle <roger@eyesopen.com>
4699 * fold-const.c (native_encode_vector, native_interpret_real):
4700 Correct obvious mistakes in the previous check-in.
4702 2006-04-13 Roger Sayle <roger@eyesopen.com>
4704 * fold-const.c (native_encode_expr): New function to encode
4705 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4706 or VECTOR_CST into a specified buffer.
4707 (native_encode_int): New function.
4708 (native_encode_real): New function.
4709 (native_encode_complex): New function.
4710 (native_encode_vector): New function.
4711 (native_interpret_expr): Inverse of native_encode_expr to convert
4712 a target representation into an INTEGER_CST, REAL_CST etc...
4713 (native_interpret_int): New function.
4714 (native_interpret_real): New function.
4715 (native_interpret_complex): New function.
4716 (native_interpret_vector): New function.
4717 (fold_view_convert_expr): New function to constant fold/evaluate
4718 a VIEW_CONVERT_EXPR of a suitable constant expression.
4719 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4720 Change call of build1 to fold_build1 when constructing a
4723 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4724 Ulrich Weigand <uweigand@de.ibm.com>
4727 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4730 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4733 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4734 optimize to lo_sum for DFmode if !TARGET_FPRS.
4736 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4738 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4739 delete_alias_info, compute_flow_sensitive_aliasing,
4740 group_aliases): Use VEC instead of VARRAY.
4741 * tree-ssa-structalias.c (update_alias_info): Likewise.
4742 * tree-ssa-structalias.h (alias_info): Change the type of
4743 processed_ptrs to VEC(tree,heap) *.
4745 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4748 * config/sh/lib1funcs.h: New file, broken out of:
4749 * config/sh/lib1funcs.asm.
4750 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4752 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4753 * config/sh/lib1funcs-Os-4-200.asm: New file.
4754 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4755 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4756 (EXTRA_MULTILIB_PARTS): Include it.
4757 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4758 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4759 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4760 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4763 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4765 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4766 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4767 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4769 * tree-ssa-live.h: Include vecprim.h.
4770 (tree_partition_associator_d): Change the type of
4771 first_partition to VEC(int,heap) *.
4772 (tpa_first_partition): Use VEC instead of VARRAY.
4774 * Makefile.in (GTFILES): Move functions.h after tree.h.
4775 * function.c (reset_block_changes, record_block_change,
4776 check_block_change, free_block_changes): Use VEC instead of
4778 * function.h (function): Change the type of
4779 ib_boundaries_block to VEC(tree,gc) *.
4780 * tree-inline.c (copy_cfg_body): Initialize
4781 ib_boundaries_block to NULL instead of (varray_type) 0.
4783 2006-04-12 Roger Sayle <roger@eyesopen.com>
4785 * expr.c (emit_group_store): Correct operand order in call to
4786 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4787 a SUBREG_BYTE of zero.
4789 2006-04-12 Richard Guenther <rguenther@suse.de>
4791 * profile.c (compute_branch_probabilities): Remove code
4792 encapsulated in !ir_type (), which are remanents of the
4793 removed RTL profiling code.
4794 * rtl-profile.c: Remove.
4796 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4798 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4799 magic NULL_RTX comment.
4800 (function_arg): Store entire fp arg to mem if any part should go
4802 (rs6000_arg_partial_bytes): Adjust for above change.
4804 2006-04-11 Roger Sayle <roger@eyesopen.com>
4806 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4807 if it hasn't been initialized by dwarf2out_init.
4809 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4811 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4812 symbolic constants in branch patterns.
4814 2006-04-11 Roger Sayle <roger@eyesopen.com>
4816 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4818 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4820 PR rtl-optimization/27073
4821 * gcse.c (try_replace_reg): Revert last change. Continue to search
4822 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4825 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4827 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4828 aggregate types other than record and union types.
4829 (function_arg): Likewise.
4830 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4832 (function_value): In 64-bit mode, return objects that require it
4835 2006-04-11 Roger Sayle <roger@eyesopen.com>
4837 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4839 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4841 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4843 2006-04-03 Jeff Law <law@redhat.com>
4846 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4847 alias information too.
4849 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4851 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4853 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4856 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4857 (premark_used_types_helper): New.
4858 (premark_used_types): New.
4859 (gen_subprogram_die): Call premark_used_types.
4860 (prune_unused_types_walk): Do not prune perennial dies.
4861 * function.c (used_types_insert): New.
4862 * function.h (struct function): Add used_types_hash field.
4863 (used_types_insert): Add prototype.
4864 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4865 * c-parser.c (c_parser_cast_expression): Save casted types in used
4868 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4871 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4872 rs6000_explicit_options.float_gprs.
4874 2006-04-10 Roger Sayle <roger@eyesopen.com>
4876 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4877 from ix86_expand_vector_init_low_nonzero. Take an additional
4878 one_var argument indicating which element is non-zero. Support
4879 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4880 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4881 with one_var instead of ix86_expand_vector_init_low_nonzero.
4883 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4885 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4886 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4887 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4888 build/genextract.o): Depend on vecprim.h.
4889 * cfglayout.c, df-problems.c, function.c, genextract.c,
4890 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4891 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4895 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4897 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4898 Declare VECs of this type.
4899 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4900 (remove_children): Delete.
4901 (add_dwarf_attr): Use VEC routines.
4902 (add_AT_flag): Update for changes to add_dwarf_attr.
4903 (add_AT_int): Likewise.
4904 (add_AT_unsigned): Likewise.
4905 (add_AT_long_long): Likewise.
4906 (add_AT_vec): Likewise.
4907 (add_AT_string): Likewise.
4908 (add_AT_die_ref): Likewise.
4909 (add_AT_fde_ref): Likewise.
4910 (add_AT_loc): Likewise.
4911 (add_AT_loc_list): Likewise.
4912 (add_AT_addr): Likewise.
4913 (add_AT_lbl_id): Likewise.
4914 (add_AT_lineptr): Likewise.
4915 (add_AT_macptr): Likewise.
4916 (add_AT_offset): Likewise.
4917 (add_AT_range_list): Likewise.
4918 (get_AT): Use VEC_iterate.
4919 (remove_AT): Use VEC_ordered_remove.
4920 (free_die): Fold remove_children into here; have it use VEC_iterate.
4921 (print_die): Use VEC_iterate on attrs.
4922 (reverse_die_lists): Don't reverse attr lists.
4923 (die_checksum): Use VEC_iterate on attrs.
4924 (same_die_p): Likewise.
4925 (output_location_lists): Likewise.
4926 (build_abbrev_table): Likewise.
4927 (size_of_die): Likewise.
4928 (unmark_all_dies): Likewise.
4929 (output_abbrev_section): Likewise.
4930 (output_die): Likewise.
4931 (prune_unused_types_walk_attribs): Likewise.
4933 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4935 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4937 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4940 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4942 2006-04-09 Roger Sayle <roger@eyesopen.com>
4944 * expr.c (store_constructor): Don't bother clearing target if
4945 we're about to assign a vector to it using vec_init_optab.
4947 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4949 * tree-ssa-alias.c (lhs_may_store_to): New function.
4950 (recalculate_used_alone): Handle LHS of calls.
4952 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4956 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4957 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4958 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4959 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4960 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4961 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4962 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4963 stubs. Add ".align 8" directives before all ".dword" directives.
4964 (GTHREAD_USE_WEAK): Revise comment.
4965 (TARGET_ATTRIBUTE_WEAK): Define.
4966 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4967 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4968 * stublib.c: New file.
4973 * pa.md (cbranch patterns): Revise arguments used in calls to
4974 output_cbranch, output_bb and output_bvd. Add long branch length
4976 (fbranch patterns): Handle long branches.
4977 (jump): Revise length check. Revise arguments for output_lbranch call.
4978 Add long branch length attributes.
4979 (decrement_and_branch_until_zero): Add long branch length attributes.
4980 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4981 Likewise. Revise arguments for output_parallel_addb and
4982 output_parallel_movb calls.
4983 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4984 output_parallel_movb and output_parallel_addb): Update prototypes.
4985 * pa.c (output_cbranch): Revise arguments. Correct handling of
4986 nullification in long branches.
4987 (output_lbranch): Add new argument to control extraction of delay
4989 (output_bb): Handle long branches.
4990 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4991 output_parallel_addb): Likewise.
4993 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4995 PR rtl-optimization/27073
4996 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4999 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5001 * tree.h (tree_memory_tag): Add old_used_alone.
5002 (SMT_OLD_USED_ALONE): New macro.
5003 * tree-ssa-alias.c (recalculate_used_alone): Stop
5004 marking things for renaming unnecessarily.
5006 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5008 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5009 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5010 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5011 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5012 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5013 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5014 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5015 spelling convensions.
5016 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5017 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5018 typos. Follow spelling conventions.
5020 2006-04-07 DJ Delorie <dj@redhat.com>
5022 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5023 passed on the stack.
5024 (m32c_init_cumulative_args): When a function returns a structure,
5025 always pass the pointer to that return area on the stack.
5026 (m32c_function_arg_advance): Don't increment the parameter number
5027 if we're processing the returned structure pointer.
5028 (pushm_info): Reverse order of registers.
5030 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5032 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5033 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5034 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5035 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5037 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5038 chrec_fold_multiply): Same.
5039 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5040 force_expr_to_var_cost): Same.
5041 * tree-mudflap.c (mf_xform_derefs_1): Same.
5042 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5044 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5046 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5047 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5050 2006-04-07 Jan Hubicka <jh@suse.cz>
5052 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5054 2006-04-07 Richard Guenther <rguenther@suse.de>
5056 PR tree-optimization/26135
5057 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5058 loads for store copy-prop.
5059 (copy_prop_visit_stmt): Likewise.
5061 2006-04-05 Robert Millan <robertmh@gnu.org>
5063 * config/i386/linux.h: Add a comment to mark macros that are
5064 being overriden in config/k*bsd-gnu.h.
5065 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5067 * config/knetbsd-gnu.h: Ditto.
5069 2006-04-06 Jan Hubicka <jh@suse.cz>
5073 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5076 2006-04-06 Mike Stump <mrs@apple.com>
5078 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5079 for HAVE_nonlocal_goto to be consistent.
5080 (expand_builtin_nonlocal_goto): Likewise.
5081 (expand_builtin_strcmp): Use #ifdef instead of #if
5082 for HAVE_cmpstrnsi to be consistent.
5084 2006-04-05 DJ Delorie <dj@redhat.com>
5086 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5089 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5091 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5092 got-relative addressing for anything but SImode.
5094 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5095 even if the calling function doesn't modify them.
5097 2006-04-05 Richard Guenther <rguenther@suse.de>
5099 PR tree-optimization/26919
5100 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5101 to cgraph_estimate_size_after_inlining.
5103 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5105 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5107 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5109 PR tree-optimization/26996
5110 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5111 VECTOR_TYPE variables.
5113 2006-04-05 Richard Guenther <rguenther@suse.de>
5115 PR tree-optimization/26763
5116 * fold-const.c (fold_comparison): Move folding of
5117 PTR + CST CMP PTR + CST ...
5118 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5120 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5122 * doc/install.texi (Prerequisites): Refine some wording on
5123 bootstrapping and ksh.
5124 Move the version numbers of DejaGnu here from the testing section
5125 and fix casing of names.
5126 Fix markup and clarify wording for autogen requirements.
5127 Refer to GCJ instead of just java.
5128 Refer to SVN instead of CVS.
5129 Describe diffutils as useful instead of necessary.
5130 (Downloading the source): Refer to SVN instead of CVS.
5131 Adjust a link to our web site accordingly.
5132 (Configuration): Fix casing of Bison.
5133 (Building): Refer to SVN instead of CVS.
5134 Fix a sentence on the use of Bison and remove duplicate (and
5135 incorrect) version number of Bison requirement.
5136 Remove one redundant list of packages needed for building.
5137 (Specific): Avoid reference to CVS.
5139 2006-04-04 Eric Christopher <echristo@apple.com>
5141 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5142 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5143 (rs6000_handle_struct_attribute): New.
5144 (rs6000_ms_bitfield_layout_p): Ditto.
5146 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5148 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5149 NULL for dso parameter to atexit_common.
5151 2006-04-04 Eric Christopher <echristo@apple.com>
5153 * config/i386/i386.c (machopic_output_stub): Output \t
5154 between instructions and operands.
5156 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5158 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5159 satisfies_constraint_[IL] to explicit tests on value.
5161 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5163 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5164 set_nb_iterations_in_loop): Use build_int_cst instead of
5166 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5167 build_int_cst instead of convert.
5169 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5171 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5172 new value 2 for incoming.
5173 * function.c (expand_function_start): Call struct_value_rtx
5175 * config/sparc/sparc.md: Comment updated_return.
5176 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5177 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5178 struct return if sparc_std_struct_return and incoming is 2.
5179 (print_operand): Do not adjust return if
5180 sparc_std_struct_return.
5182 2006-04-04 Roger Sayle <roger@eyesopen.com>
5184 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5185 convert in the middle-end.
5186 * expr.c (store_expr, store_constructor, get_inner_reference,
5187 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5189 * tree.c (build_range_type): Likewise.
5191 2006-04-04 Tom Tromey <tromey@redhat.com>
5193 * doc/install.texi (Prerequisites): Mention jar.
5195 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5197 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5200 2006-04-04 Matthias Klose <doko@debian.org>
5202 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5203 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5206 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5208 * doc/extend.texi (Function Attributes): Rewrite visibility
5209 attribute documentation.
5210 * doc/invoke.texi (C++ Dialect Options): Rewrite
5211 -fvisibility-inlines-hidden documentation to describe something
5212 entirely different, although in practise compatible.
5213 (Code Gen Options): Warn about system headers in -fvisibility=
5216 * doc/extend.texi (Other Builtins): Document that
5217 __builtin_nan is a compile-time constant only when its argument
5220 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5222 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5223 trying to remove TRUNCATE check if all bits outside the new mode
5224 are identical to the sign bit.
5226 2006-04-03 Jeff Law <law@redhat.com>
5228 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5229 and operand scanning in some common cases.
5231 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5232 Dale Johannesen <dalej@apple.com>
5235 * regclass.c (struct reg_pref): Update documentation.
5236 (regclass): Set prefclass to NO_REGS if memory is the best option.
5237 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5238 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5239 into account. For non-registers, equate an empty preferred
5240 reload class to a `!' in the constraint; move the if clause to
5241 do so after those that reject the insn.
5242 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5244 (find_dummy_reload): Likewise.
5245 * doc/tm.texi (Register Classes): Document what it means
5246 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5247 * config/i386/i386.c (ix86_preferred_reload_class): Force
5248 using SSE registers (and return NO_REGS for floating-point
5249 constants) if math is done with SSE.
5250 (ix86_preferred_output_reload_class): New.
5251 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5252 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5253 * config/i386/i386.md: Remove # register preferences.
5255 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5258 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5259 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5260 the type of nb_iter.
5261 (instantiate_parameters_1): Convert the operands before calling
5262 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5263 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5265 2006-04-02 Roger Sayle <roger@eyesopen.com>
5267 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5268 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5270 * dojump.c (do_jump): Likewise.
5271 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5272 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5273 gimplify_boolean_expr): Likewise.
5274 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5275 * varasm.c (array_size_for_constructor): Likewise.
5276 * tree-object-size.c (compute_object_offset): Likewise.
5278 2006-04-02 Roger Sayle <roger@eyesopen.com>
5281 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5282 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5284 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5286 PR tree-optimization/26939
5287 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5289 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5291 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5292 at_stmt. Convert the type of operands before calling
5293 build_polynomial_chrec.
5294 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5296 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5297 (instantiate_parameters_1): Convert the type of operands before calling
5298 build_polynomial_chrec.
5299 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5300 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5301 reset_evolution_in_loop): Insert asserts to check the types of the
5303 (chrec_type): Moved...
5304 (eq_evolutions_p): Use operand_equal_p.
5305 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5306 the types of the operands.
5307 (chrec_type): ...here.
5308 * tree-data-ref.c (create_data_ref): Convert the operands before
5309 calling chrec_replace_initial_condition.
5310 (same_access_functions, analyze_subscript_affine_affine,
5311 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5312 (compute_subscript_distance, analyze_ziv_subscript,
5313 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5314 analyze_miv_subscript): Convert the operands before calling
5315 chrec_fold_minus or chrec_fold_plus.
5317 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5319 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5320 the dependence_relations vector.
5321 (compute_data_dependences_for_loop): Adjust call to
5322 compute_all_dependences.
5324 2006-04-01 Roger Sayle <roger@eyesopen.com>
5325 Richard Henderson <rth@redhat.com>
5327 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5328 gimple_boolify on the condition before calling gimplify_expr.
5330 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5332 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5333 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5334 the frame size. Update to use the new macros.
5335 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5336 * config/xtensa/ieee754-df.S: Likewise.
5338 2006-03-31 Richard Henderson <rth@redhat.com>
5340 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5341 (make_edges): ... here. Control fallthru creation with a local
5342 variable. Do not play with fake edges.
5343 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5344 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5347 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5349 * dwarf2.h (DW64_CIE_ID): Define.
5350 * dwarf2out.c (DWARF_CIE_ID): Define.
5351 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5352 length header. Use DWARF_CIE_ID.
5353 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5354 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5356 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5358 * config/sh/linux-atomic.asm: New file.
5359 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5361 2006-03-31 DJ Delorie <dj@redhat.com>
5363 * config/m32c/cond.md: Set condition flags properly throughout.
5364 * config/m32c/minmax.md: Likewise.
5365 * config/m32c/prologue.md: Likewise.
5366 * config/m32c/bitops.md: Likewise.
5367 * config/m32c/muldiv.md: Likewise.
5368 * config/m32c/mov.md: Likewise.
5369 * config/m32c/addsub.md: Likewise.
5370 * config/m32c/m32c.md: Likewise.
5371 * config/m32c/jump.md: Likewise.
5372 * config/m32c/shift.md: Likewise.
5374 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5375 conditionally output the pattern for this.
5376 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5377 (m32c_compare_redundant): New.
5378 (m32c_output_compare): New.
5379 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5381 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5382 dest, not src. Allow other 4-byte modes.
5384 2006-03-30 Denis Chertykov <denisc@overta.ru>
5386 * doc/md.texi: Refer to avr/constraints.md instead of
5389 2006-03-30 Roger Sayle <roger@eyesopen.com>
5391 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5392 signed vs. unsigned comparison failures on some hosts.
5394 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5397 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5398 change to FLOAT_REGS.
5400 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5401 (rs6000_override_options): Use it.
5402 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5403 only for -mabi=spe/no-spe and -mabi=altivec.
5405 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5407 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5410 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5412 * Makefile.in: Rename docdir to gcc_docdir.
5414 2006-03-30 Roger Sayle <roger@eyesopen.com>
5417 * expr.c (emit_group_store): Optimize group stores into a pseudo
5418 register by using a paradoxical subreg to initialize the destination
5419 if the first or last member of the group specifies a "low part".
5421 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5424 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5425 * target.h (struct gcc_target.speculate_insn): Change type of the
5426 second parameter to 'int'.
5427 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5428 the second operand of the DEPS_LIST.
5429 (copy_DEPS_LIST_list): Update reference to the second operand of the
5431 * rtl.h (alloc_DEPS_LIST): Update signature.
5432 * sched-int.h (ds_t): Change typedef to 'int'.
5433 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5435 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5437 * haifa-sched.c (try_ready): Change condition to restore
5438 non-speculative pattern of the instruction.
5439 (process_insn_depend_be_in_spec): Code to keep probability of the
5440 speculative dependence non-decreasing.
5442 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5444 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5445 (single_move_for_movmem): ... this. Also change all uses.
5446 (bfin_expand_strmov): Renamed to...
5447 (bfin_expand_movmem): ... this. Also change all uses.
5448 * config/bfin/bfin.md (movstrsi): Renamed to...
5449 (movstrsi): ...this.
5451 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5453 PR tree-optimization/26830
5455 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5456 (copy_prop_visit_stmt): Remove write-only variable ann.
5457 (init_copy_prop): Check variable loop depth here. Do not simulate
5458 memory-tag and virtual operand PHIs except for store copy prop.
5460 2006-03-30 Richard Guenther <rguenther@suse.de>
5462 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5463 variants with double arguments.
5465 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5467 * genpreds.c (write_tm_constrs_h): Delete variable p.
5468 * genconditions.c (write_header): Add tm-constrs.h to included
5470 * genpeep.c (main): Add toplev.h to included headers.
5471 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5472 (build/genpeep.o): Add toplev.h dependency.
5473 * config/rs6000/constraints.md: Add "W" constraint.
5475 2006-03-29 Roger Sayle <roger@eyesopen.com>
5477 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5478 sizes by correctly testing whether the size fits a host integer.
5479 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5480 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5481 SImode range for the default sizetype and bitsizetype.
5483 2006-03-29 Roger Sayle <roger@eyesopen.com>
5485 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5486 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5487 quickly if the argument is already of the correct type.
5488 Call fold_build1 instead of build1. Tidy up blank lines.
5490 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5492 * genemit.c (main): Add tm-constrs.h to included headers.
5493 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5494 * genpeep.c (main): Add tm-constrs.h to included headers.
5495 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5496 (write_tm_constrs_h): this and write complete file.
5497 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5498 (write_insn_preds_c): Add tm-constrs.h to included headers.
5499 (gen_constrs): New variable.
5500 (parse_option): Parse "-c".
5501 (main): Invoke write_tm_constrs_h.
5502 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5503 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5504 (object_out_file): Add tm-constrs.h dependency.
5505 (insn-emit.o): Same.
5506 (insn-output.o): Same.
5507 (insn-peep.o): Same.
5508 (insn-preds.o): Same.
5509 (insn-recog.o): Same.
5510 (tm-constsr.h): New target.
5511 (s-constrs-h): New target.
5513 * config/rs6000/constraints.md: New file.
5514 * config/rs6000/rs6000.c: Include tm-constrs.h.
5515 (num_insn_constant_wide): Convert to satisfies_constraint.
5516 (rs6000_rtx_costs): Convert to satisfies_constraint.
5517 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5518 (CONST_OK_FOR_LETTER_P): Delete.
5519 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5520 (EXTRA_CONSTRAINT): Delete.
5521 (EXTRA_MEMORY_CONSTRAINT): Delete.
5522 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5523 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5524 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5525 satisfies_constraint.
5527 * config/i386/i386.c: Include tm-constrs.h.
5529 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5531 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5532 * tree-data-ref.c (find_data_references_in_loop,
5533 compute_data_dependences_for_loop): Use pointers to VEC.
5534 (analyze_all_data_dependences): Adjust calls.
5535 * tree-data-ref.h (find_data_references_in_loop,
5536 compute_data_dependences_for_loop): Adjust declarations.
5537 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5538 compute_data_dependences_for_loop.
5540 2006-03-29 Paul Brook <paul@codesourcery.com>
5542 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5545 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5547 PR tree-optimization/26859
5548 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5550 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5551 for the step after fold_convert.
5553 2006-03-29 Paul Brook <paul@codesourcery.com>
5555 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5556 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5558 2006-03-29 Paul Brook <paul@codesourcery.com>
5561 * targhooks.c (default_narrow_bitfield): New fuction.
5562 * targhooks.h (default_narrow_bitfield): add prototype.
5563 * target.h (gcc_target): Add narrow_volatile_bitfield.
5564 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5565 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5566 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5567 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5569 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5571 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5573 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5574 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5575 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5576 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5577 (s390_function_arg_float): Allow SDmode and DDmode values to be
5578 passed in floating point registers.
5579 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5580 check with SCALAR_FLOAT_MODE_P.
5581 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5583 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5585 PR tree-optimization/25985
5586 * tree-ssa-loop-niter.c (number_of_iterations_le,
5587 number_of_iterations_ne): Make comments more precise.
5588 (number_of_iterations_cond): Add only_exit argument. Use the
5589 fact that signed variables do not overflow only when only_exit
5591 (loop_only_exit_p): New.
5592 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5593 number_of_iterations_cond.
5595 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5597 PR tree-optimization/26643
5598 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5601 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5603 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5604 (divsi3_i4_int): Likewise.
5606 2006-03-28 Roger Sayle <roger@eyesopen.com>
5608 * expr.c (emit_group_store): Only create a new pseudo reg if the
5609 quantity it needs to hold isn't already a suitable pseudo.
5611 2006-03-28 Jeff Law <law@redhat.com>
5613 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5614 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5616 2006-03-28 Roger Sayle <roger@eyesopen.com>
5618 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5619 the equivalent ~X & Y, and the symmetry related transformations.
5620 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5621 ~X & Y, and symmetry related transforms.
5623 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5625 Revert my 2006-03-27 patches.
5627 2006-03-28 Roger Sayle <roger@eyesopen.com>
5629 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5630 ~(T1)X, when T1 and T2 are integer types of the same precision
5631 and (T2)X isn't an extension.
5633 2006-03-28 Jeff Law <law@redhat.com>
5635 PR tree-optimization/26796
5636 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5637 need EH edge cleanups rather than purging them immediately.
5638 (eliminate_degenerate_phis): Handle queued EH cleanups.
5640 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5642 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5645 2006-03-27 Roger Sayle <roger@eyesopen.com>
5648 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5649 cast BIT_NOT_EXPR operand to the correct type.
5651 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5653 * tree-loop-linear.c: Don't include varray.h.
5654 (gather_interchange_stats, try_interchange_loops,
5655 linear_transform_loops): Use VEC instead of VARRAY.
5656 * lambda-mat.c: Don't include varray.h.
5657 * tree-chrec.c: Same.
5658 * lambda-trans.c: Same.
5659 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5660 VEC instead of VARRAY.
5661 * tree-vectorizer.h: Idem.
5662 * tree-data-ref.c (dump_data_references,
5663 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5664 initialize_data_dependence_relation, finalize_ddr_dependent,
5665 compute_all_dependences, find_data_references_in_loop,
5666 compute_data_dependences_for_loop, analyze_all_data_dependences,
5667 free_dependence_relation, free_dependence_relations,
5668 free_data_refs): Idem.
5669 * tree-data-ref.h (data_reference_p, subscript_p): New.
5670 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5671 VEC instead of VARRAY.
5672 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5673 (find_data_references_in_loop, compute_data_dependences_for_loop,
5674 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5675 dump_data_dependence_relations, free_dependence_relations,
5676 free_data_refs): Adjust declaration.
5677 (lambda_transform_legal_p): Move declaration here...
5678 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5679 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5680 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5681 vect_analyze_data_refs): Use VEC instead of VARRAY.
5682 * lambda.h (lambda_transform_legal_p): ...from here.
5683 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5684 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5685 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5686 tree-chrec.o): Don't depend on VARRAY_H.
5688 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5690 * rtl.def (Copyright): Update date.
5691 (DEPS_LIST): Change type of the second operand to 'int'.
5692 * target.h (Copyright): Update date.
5693 (struct gcc_target.speculate_insn): Change type of the second parameter
5695 * lists.c (Copyright): Update date.
5696 (alloc_DEPS_LIST): Change signature. Update reference to the second
5697 operand of the DEPS_LIST.
5698 (copy_DEPS_LIST_list): Update reference to the second operand of the
5700 * rtl.h (Copyright): Update date.
5701 (alloc_DEPS_LIST): Update signature.
5702 * sched-int.h (Copyright): Update date.
5703 (ds_t): Change typedef to 'int'.
5704 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5706 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5708 * haifa-sched.c (Copyright): Update date.
5709 (try_ready): Change condition to restore non-speculative pattern
5711 (process_insn_depend_be_in_spec): Code to keep probability of the
5712 speculative dependence non-decreasing.
5714 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5716 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5717 shut up the compiler.
5719 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5721 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5722 to use lib prefix for target.
5723 ($(T)libic_invalidate_array_4-200.a): Likewise.
5724 ($(T)libic_invalidate_array_4a.a): Likewise.
5726 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5727 J"orn Rennecke <joern.rennecke@st.com>
5729 * superh.opt: New file.
5730 * sh.c (boardtype, osruntime): Remove.
5731 * superh.h (SUBTARGET_OPTIONS): Remove.
5732 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5734 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5735 arguments with ^ and/or [].
5737 * config.gcc (sh-*-*): Add quoting to account for quirk of
5739 Replace == with = in enable_incomplete_targets test.
5741 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5742 with MASK_LITTLE_ENDIAN.
5744 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5745 * config/sh/sh.opt: Added to some comments.
5746 * config/sh/superh.h: Removed some chaff.
5748 * config/sh/sh.opt: Add m4-[1234]00* options.
5749 * config/sh/sh.c (sh_handle_option): Likewise.
5750 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5751 (ic_invalidate_array_4-100.o): New rule.
5752 ($(T)libic_invalidate_array_4-100.a): Likewise.
5753 (ic_invalidate_array_4-200.o): Likewise.
5754 ($(T)libic_invalidate_array_4-200.a): Likewise.
5755 (ic_invalidate_array_4a.o): Likewise.
5756 ($(T)libic_invalidate_array_4a.a): Likewise.
5757 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5758 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5760 * config/sh/crt1.asm: Merged in profiling code.
5761 * config/sh/superh.h (STARTFILE_SPEC): Override.
5762 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5763 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5764 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5766 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5767 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5768 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5770 * sh.opt (mpretend-cmove): New option.
5771 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5772 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5773 (movsicc): Add TARGET_PRETEND_CMOVE code.
5775 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5777 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5778 s390_class_max_nregs): New function prototypes.
5779 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5780 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5781 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5782 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5784 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5786 * dwarf2out.c (add_location_or_const_value_attribute): Call
5787 tree_add_const_value_attribute if nothing else works.
5788 (reference_to_unused): New.
5789 (rtl_for_decl_init): Use reference_to_unused to decide whether
5790 to output an initializer.
5792 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5795 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5796 peephole removing spe frob_di_df_2.
5798 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5800 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5801 (subscript_dependence_tester_1): Declared.
5802 (print_dir_vectors, print_dist_vectors): New.
5803 (debug_data_dependence_relation): New.
5804 (dump_data_dependence_relation): Print more details.
5805 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5806 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5807 (save_dist_v, save_dir_v, add_outer_distances,
5808 build_classic_dist_vector_1): New.
5809 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5810 Don't test for lambda_vector_lexico_pos.
5811 (same_access_functions, add_multivariate_self_dist,
5812 add_other_self_distances, dir_from_dist): New.
5813 (build_classic_dir_vector): Replace implementation almost identical to
5814 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5816 (subscript_dependence_tester_1): New.
5817 (subscript_dependence_tester): Handle the lexicographically negative
5818 distance vectors by recomputing the dependence relation.
5819 (compute_affine_dependence): Remove parameter loop_nest_depth.
5820 (compute_self_dependence): Don't call compute_subscript_distance.
5821 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5822 Add a parameter for the loop_nest.
5823 (find_loop_nest_1, find_loop_nest): New.
5824 (compute_data_dependences_for_loop): Compute the loop nest, and give
5825 up if the nest is not well formed.
5826 * tree-data-ref.h (loop_p): New.
5827 (struct data_dependence_relation): Replace size_vect field with
5828 loop_nest, a vec of loops.
5829 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5830 (DDR_LOOP_NEST): New.
5831 (print_dir_vectors, print_dist_vectors,
5832 debug_data_dependence_relation): Declared.
5833 (index_in_loop_nest): New.
5834 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5835 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5838 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5840 * simplify-rtx.c (simplify_relational_operation): Call
5841 simplify_relational_operation_1 even if mode is VOIDmode.
5843 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5845 PR tree-optimization/26804
5846 * tree.h (DECL_CALL_CLOBBERED): New macro.
5847 (tree_decl_common): Add call_clobbered_flag.
5848 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5849 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5850 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5851 (mark_non_addressable): Ditto.
5852 * tree-ssa.c (verify_call_clobbered): New function.
5853 (verify_alias_info): Use it.
5854 * tree-pass.h (pass_reset_cc_flags): New prototype.
5855 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5856 (reset_cc_flags): New function.
5857 * passes.c (init_optimization_passes): Call reset_cc_flags after
5858 initializing referenced_vars.
5860 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5861 Roger Sayle <roger@eyesopen.com>
5864 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5865 to 1.0 for non-real operands. Implement A / A optimization for
5868 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5870 * config/i386/i386.c (size_cost): Correct the comment for
5871 cost of storing fp registers.
5872 (i386_cost): Likewise.
5873 (i486_cost): Likewise.
5874 (pentium_cost): Likewise.
5875 (pentiumpro_cost): Likewise.
5876 (k6_cost): Likewise.
5877 (athlon_cost): Likewise.
5878 (k8_cost): Likewise.
5879 (pentium4_cost): Likewise.
5880 (nocona_cost): Likewise.
5881 (generic64_cost): Likewise.
5882 (generic32_cost): Likewise.
5884 2006-03-24 Denis Chertykov <denisc@overta.ru>
5886 * config/avr/avr-protos.h (extra_constraint): Delete.
5887 (extra_constraint_Q): New declaration.
5888 * config/avr/constraints.md: New file.
5889 * config/avr/avr.md: Include it.
5890 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5891 (TMP_REGNO, ZERO_REGNO): Likewise.
5892 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5893 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5894 (extra_constraint): Delete.
5895 (extra_constraint_Q): Test for memory constraint 'Q'.
5896 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5897 (REG_CLASS_FROM_LETTER): Delete.
5898 (CONST_OK_FOR_LETTER_P): Delete.
5899 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5900 (EXTRA_CONSTRAINT): Delete.
5901 (TMP_REGNO): Delete.
5902 (ZERO_REGNO): Delete.
5904 2006-03-24 Jeff Law <law@redhat.com>
5906 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5907 directly. Call mark_new_vars_to_rename slightly earlier.
5909 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5911 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5913 (gen_compile_unit_die): Use new language types for Objective-C and
5915 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5916 DW_LANG_C_plus_plus.
5919 * config/t-darwin (crt3.o): Work around bug 26840.
5920 * config/darwin-crt3.c: Rewrite.
5921 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5923 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5925 * doc/invoke.texi: Document -femit-class-debug-always
5926 * common.opt: Add -femit-class-debug-always.
5928 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5930 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5931 index and base register.
5932 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5933 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5934 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5935 REGNO_OK_FOR_INDEX_P.
5936 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5938 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5939 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5940 REG_OK_FOR_BASE_P): Definitions removed.
5942 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5945 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5946 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5947 set yet or weren't marked as local yet.
5949 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5951 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5954 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5956 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5957 (rs6000_legitimate_small_data_p): Delete.
5958 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5959 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5960 and make static. Add forward declaration. Update uses.
5961 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5962 of offsettable_memref_p.
5963 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5964 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5966 2006-03-24 Jeff Law <law@redhat.com>
5968 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5969 around bug in immediate-use iterator.
5971 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5974 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5975 or __LITTLE_ENDIAN__.
5977 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5979 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5980 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5981 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5982 * config/sh/sh.opt (mdiv=): Amend description.
5983 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5984 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5985 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5986 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5987 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5988 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5989 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5990 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5991 TARGET_DIVIDE_CALL_FP.
5993 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5995 * haifa-sched.c (choose_ready): Fix type of the local variable.
5996 Move local variables. Add comment.
5997 (check_reg_live): Change signature. Make callable from debugger.
5998 * sched-int.h (check_reg_live): Update signature.
5999 * sched-ebb.c (check_reg_live): Update parameters.
6000 * sched-rgn.c (check_reg_live): Ditto.
6001 (region_head_or_leaf_p): Check pointer before dereferencing.
6002 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6003 before reload on optimization levels below 1.
6005 2006-03-23 Richard Henderson <rth@redhat.com>
6007 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6011 * config/alpha/predicates.md (local_symbolic_operand): Reject
6014 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6017 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6018 expressions which have overflowed constants.
6020 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6022 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6024 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6026 * cfgloopmanip.c (create_loop_notes): Removed.
6027 * final.c (final_scan_insn): Do not handle loop notes.
6028 * jump.c (squeeze_notes): Ditto.
6029 * cfglayout.c (skip_insns_after_block,
6030 duplicate_insn_chain): Ditto.
6031 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6033 * cfgloop.h (create_loop_notes): Declaration removed.
6035 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6037 * varasm.c (output_constant_pool): Restore fnname and fndecl
6039 (assemble_start_function): Adjust call accordingly.
6040 (assemble_end_function): Likewise.
6042 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6045 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6048 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6050 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6053 * system.h (ICE_EXIT_CODE): New macro.
6054 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6055 (diagnostic_action_after_output): Likewise.
6056 * gcc.c (fatal_ice): New function.
6057 (execute): Use it instead of fatal.
6058 (fancy_abort): Likewise.
6059 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6061 2006-03-22 Jeff Law <law@redhat.com>
6063 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6064 iv_analyze_result returning false.
6066 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6068 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6070 2006-03-22 Richard Henderson <rth@redhat.com>
6073 * except.c (duplicate_eh_regions_0): New.
6074 (duplicate_eh_region_1): Duplicate the children of the node as
6075 well as the node itself. Link them up properly.
6076 (duplicate_eh_region_2): Merge into ...
6077 (duplicate_eh_regions): ... here. Take copy_region argument, and
6078 copy only a sub-tree if asked. Simplify copying and fixup.
6079 (eh_region_outer_p): New.
6080 * except.h (duplicate_eh_regions): Update decl.
6081 (eh_region_outer_p): Declare.
6082 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6083 (lower_omp_master): Likewise.
6084 (lower_omp_ordered): Likewise.
6085 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6086 (move_stmt_r): Use it to remap labels. Handle recursion vs
6087 remap_decls_p properly.
6088 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6089 (find_outermost_region_in_block): New.
6090 (new_label_mapper): New.
6091 (move_sese_region_to_fn): Copy eh information to the new function
6093 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6095 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6098 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6100 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6101 into shared libraries.
6103 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6105 * doc/md.texi: Refer to i386/constraints.md instead of
6107 * config/i386/constraints.md: New file, extracted from...
6108 * config/i386/predicates.md: ...here.
6109 * config/i386/i386.md: Include constraints.md.
6111 2006-03-21 Jason Merrill <jason@redhat.com>
6113 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6116 * expr.c (init_block_move_fn): Force default visibility.
6117 (init_block_clear_fn): Likewise.
6118 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6119 * targhooks.c (default_external_stack_protect_fail): Likewise.
6121 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6123 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6124 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6125 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6126 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6127 (loadgp): Use mips_current_loadgp_style.
6128 (loadgp_noshared): New pattern.
6129 (sibcall_internal): Use MIPS_CALL.
6130 (sibcall_value_internal): Likewise.
6131 (sibcall_value_multiple_internal): Likewise.
6132 (call_internal): Likewise.
6133 (call_value_internal): Likewise.
6134 (call_value_multiple_internal): Likewise.
6135 (call_split): Use MIPS_CALL and add an 'S' constraint.
6136 (call_value_split): Likewise.
6137 (call_value_multiple_split): Likewise.
6138 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6139 (-mshared): New option.
6140 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6141 (mips_current_loadgp_style): Declare.
6142 * config/mips/mips.c (mips_classify_symbol): Avoid using
6143 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6144 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6145 TARGET_ABSOLUTE_ABICALLS.
6146 (override_options): Adjust comments. Improve the warning that is
6147 issued when -mabicalls and -G are used together.
6148 (mips_file_start): Remove comment.
6149 (mips_current_loadgp_style): New function.
6150 (mips_gnu_local_gp): New variable.
6151 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6153 (mips_output_function_prologue): Use mips_current_laodgp_style.
6154 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6155 the cprestore instruction.
6156 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6157 live for TARGET_ABSOLUTE_ABICALLS.
6158 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6159 (ASM_SPEC): Pass down -mshared and -mno-shared.
6160 (MIPS_CALL): New macro.
6161 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6163 * doc/invoke.texi (-mabicalls): Update documentation.
6164 (-mshared): Document.
6166 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6168 * config/ia64/unwind-hpux.c: New file.
6169 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6171 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6174 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6176 2006-03-21 Jeff Law <law@redhat.com>
6178 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6179 type conversions of a VR_VARYING source to a wider type.
6181 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6183 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6184 tm_file on Solaris 10 and later.
6185 (sparc64-*-solaris2*): Likewise.
6186 (sparc-*-solaris2*): Likewise.
6187 * config/sol26.h: Rename to config/sol2-6.h.
6188 * config/sol2-10.h: New file.
6190 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6193 * tree-ssa-pre.c (create_component_ref_by_pieces):
6196 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6199 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6200 return it immediately.
6202 2006-03-21 Michael Matz <matz@suse.de>
6204 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6206 (remove_arc, add_arc): Update num_out_arcs member.
6207 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6209 (cache_presence): New function.
6210 (compare_states_for_equiv): New function.
6211 (state_is_differed): Don't take number of outargs, adjust callers.
6212 Use new invariant for speeding up.
6213 (init_equiv_class): Create initial classes based on sorted
6215 (partition_equiv_class): Don't track out_arcs_num.
6216 (evaluate_equiv_classes): Call cache_presence on all states and
6219 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6221 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6222 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6223 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6224 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6226 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6227 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6228 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6229 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6230 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6232 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6233 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6234 (REGNO_REG_CLASS): ARGP is in PREGS.
6235 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6237 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6238 to deal with those addresses.
6239 * addresses.h: New file.
6240 * caller-save.c: Include "addresses.h".
6241 (init_caller_save): Use new base_reg_class function.
6242 * rtl-factoring.c: Include "addresses.h".
6243 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6244 * recog.c: Include "addresses.h".
6245 (preprocess_constraints): Use new base_reg_class function.
6246 * regrename.c: Include "addresses.h".
6247 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6248 functions. Keep track of a new var INDEX_CODE to compute valid
6250 (replace_oldest_value_addr): Likewise.
6251 (replace_oldest_value_mem): Use base_reg_class.
6252 * reload.c: Include "addresses.h".
6253 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6254 (find_reloads): Use new base_reg_class function.
6255 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6256 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6257 all callers and prototype changed.
6258 * reload1.c: Include "addresses.h".
6259 (maybe_fix_stack_asms): Use base_reg_class.
6260 * regclass.c: Include "addresses.h".
6261 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6262 (init_reg_autoinc): Use new base_reg_class function.
6263 (record_reg_classes): Likewise.
6264 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6265 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6266 Use new args to compute necessary class.
6268 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6269 regrename.o, rtl-factoring.o): Update dependencies.
6270 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6271 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6272 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6273 REG_OK_FOR_INDEX_P): Delete documentation.
6275 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6277 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6278 from V7 to V9 for Solaris 7 and above.
6280 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6282 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6283 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6284 argument pointers may not alias any other storage.
6285 * common.opt: Define option -fargument-noalias-anything.
6286 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6287 alias semantics is specified by flag_argument_noalias > 2.
6289 2006-03-20 Jeff Law <law@redhat.com>
6291 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6292 (pass_phi_only_cprop): Declare.
6293 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6295 * tree-ssa-dom.c (degenerate_phi_result): New function.
6296 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6297 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6298 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6299 (eliminate_degenerate_phis): Likewise.
6300 (pass_phi_only_cprop): New pass descriptor.
6301 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6302 support code. Callers updated.
6303 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6304 (store_copy_prop): Likewise.
6305 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6307 2006-03-20 Jason Merrill <jason@redhat.com>
6310 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6311 (push_visibility, pop_visibility): Likewise.
6312 * c-pragma.h: Declare them.
6314 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6316 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6318 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6319 parameter and use get_ebb_head_tail.
6320 (sh_md_init_global): Adjust uses of find_regmode_weight.
6322 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6324 * function.h (struct function) <x_tail_recursion_reentry>:
6325 Rename to x_stack_check_probe_note.
6326 (tail_recursion_reentry): Rename to stack_check_probe_note.
6327 * function.c: Replace tail_recursion_reentry with
6328 stack_check_probe_note everywhere.
6329 (expand_function_start): Only emit a note for
6330 stack_check_probe_note with -fstack-protect.
6331 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6333 * emit-rtl.c (remove_unnecessary_notes): Remove.
6334 (pass_remove_unnecessary_notes): Remove.
6335 * rtl.h (remove_unnecessary_notes): Remove prototype.
6336 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6337 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6338 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6340 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6343 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6344 (valid_in_set): Handle ARRAY_REF.
6345 Change "if min_variant or VH" to asserts.
6346 (create_component_ref_by_pieces): Handle ARRAY_REF.
6347 (create_expression_by_pieces): Likewise.
6348 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6350 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6352 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6353 is operand of switch, not str[0].
6355 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6357 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6358 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6360 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6362 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6363 end of insn_extra_address_constraint declaration.
6365 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6367 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6368 (no-sum-in-toc): Same.
6369 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6371 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6372 NO_FP_IN_TOC for -fPIC instead of mask.
6374 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6375 (BOOT_LDFLAGS): Delete.
6377 * config/rs6000/t-aix52: Same.
6379 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6380 (stmsi[345678]_power): New.
6382 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6384 * config/ia64/ia64.opt: Add empty line to end of file.
6386 2006-03-17 Richard Guenther <rguenther@suse.de>
6389 * builtins.c (get_pointer_alignment): For component style references
6390 adjust alignment to the component type alignment. Make sure
6391 to adjust alignment for component access of constants.
6393 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6395 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6398 2006-03-17 Paul Brook <paul@codesourcery.com>
6400 * doc/install.texi: Docuemnt --with-mode.
6401 * config.gcc: Add --with-mode for arm*-*-*.
6402 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6404 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6406 * sh.c (max_labelno_before_reorg): New variable.
6407 (sh_reorg): Initialize it.
6408 (find_barrier): Check max_labelno_before_reorg before using
6409 label_to_alignment. Take length of explicit alignment insns
6410 into account. When seeing a UNSPECV_CONST_END, return it.
6412 * sh.c (fixup_mova): Set mode of affected label to QImode.
6413 (untangle_mova): New function.
6414 (find_barrier): Use it. Check mode of label before decrementing
6416 (sh_reorg): Likewise.
6417 Set mode of all insns back to VOIDmode.
6419 * sh.c (MOVA_LABELREF): New macro.
6420 (mova_p, fixup_mova, sh_reorg): Use it.
6421 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6422 ADDR_DIFF_VEC matches mova.
6424 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6426 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6427 with ATTRIBUTE_UNUSED.
6429 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6431 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6432 pointer, instead of assuming it is possible to derive the
6433 correct args size from a call insn.
6435 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6437 * rtl.h (CONST_INT_P): Define.
6438 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6439 instead of GET_CODE(x) == CONST_INT.
6440 (vax_rtx_costs): Likewise.
6441 (vax_output_int_move): Likewise.
6442 (vax_output_int_add): Likewise.
6443 (legitimate_constant_address_p): Likewise.
6444 (index_term_p): Likewise.
6445 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6446 * config/vax/vax.md (and<mode>3): Likewise.
6447 (ashrsi3): Likewise.
6449 (movstricthi): Likewise.
6450 (movstrictqi): Likewise.
6451 (rotrsi3): Likewise.
6452 (five unnamed insns): Likewise.
6454 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6456 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6457 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6458 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6459 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6460 Pass to ASM_OUTPUT_DWARF_OFFSET.
6461 * dwarf2out.c (debug_frame_section): New.
6462 (output_call_frame_info): Use debug_frame_section. Pass it to
6463 dw2_asm_output_offset.
6464 (output_die): Pass appropriate section to dw2_asm_output_offset.
6465 (output_compilation_unit_header): Likewise.
6466 (output_pubnames): Likewise.
6467 (output_aranges): Likewise.
6468 (enum dw_val_class): Break dw_val_class_lbl_offset into
6469 dw_val_class_lineptr and dw_val_class_macptr.
6470 (add_AT_lbl_offset): Delete.
6471 (add_AT_lineptr): New.
6472 (add_AT_macptr): New.
6473 (AT_lbl): Expect a lineptr or macptr.
6474 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6475 (attr_checksum): Likewise.
6476 (same_dw_val_p): Likewise.
6477 (size_of_die): Likewise.
6478 (value_format): Likewise.
6479 (output_die): Likewise.
6480 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6482 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6483 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6484 * config/darwin-protos.h (darwin_file_start): New.
6485 (darwin_asm_output_dwarf_offset): New.
6486 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6487 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6489 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6490 if not EH section; simplify.
6491 (darwin_file_start): New.
6492 (darwin_asm_output_dwarf_offset): New.
6493 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6495 (DEBUG_INFO_SECTION): Likewise.
6496 (DEBUG_ABBREV_SECTION): Likewise.
6497 (DEBUG_ARANGES_SECTION): Likewise.
6498 (DEBUG_MACINFO_SECTION): Likewise.
6499 (DEBUG_LINE_SECTION): Likewise.
6500 (DEBUG_LOC_SECTION): Likewise.
6501 (DEBUG_PUBNAMES_SECTION): Likewise.
6502 (DEBUG_STR_SECTION): Likewise.
6503 (DEBUG_RANGES_SECTION): Likewise.
6504 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6505 (ASM_OUTPUT_DWARF_OFFSET): New.
6507 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6509 * config.gcc (tm_defines): Always add to previous value rather
6512 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6514 * config/mips/predicates.md (splittable_const_int_operand): New,
6515 split from move_operand.
6516 (splittable_symbolic_operand): New.
6517 (move_operand): Add commentary. Use splittable_const_int_operand.
6518 Inline mips_atomic_symbolic_constant_p.
6519 * config/mips/mips.md: Add combine splitters for handling moves
6520 of splittable_const_int_operands and splittable_symbolic_operands.
6521 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6522 (mips_split_symbol): Declare.
6523 (mips_move_integer): Declare.
6524 * config/mips/mips.c (mips_split_p): Make global.
6525 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6526 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6527 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6528 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6529 (mips_offset_within_object_p): Handle block symbols.
6530 (mips_atomic_symbolic_constant_p): Delete.
6531 (mips_cannot_force_const_mem): Return false for constants that
6532 mips_legitimize_move can handle.
6533 (mips_use_blocks_for_constant_p): New function.
6534 (mips_split_symbol): Make global.
6535 (mips_move_integer): Likewise. Add a temporary register argument.
6536 (mips_legitimize_const_move): Use splittable_const_int_operand and
6537 splittable_symbolic_operand.
6538 (mips_use_anchors_for_symbol_p): New function.
6539 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6540 (mips_split_p): Declare.
6542 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6544 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6545 (mips*-*-linux*): Likewise.
6547 2006-03-16 Roger Sayle <roger@eyesopen.com>
6548 Daniel Speyer <dspeyer@wam.umd.edu>
6551 * tree-dump.c (dump_real): New function.
6552 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6553 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6554 (tree-dump.o): Add $(REAL_H) to the dependencies.
6556 2006-03-16 Roger Sayle <roger@eyesopen.com>
6559 * real.c (real_from_string): If the mantissa is zero, don't bother
6560 parsing the exponent as the result should always be zero.
6562 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6564 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6566 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6568 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6569 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6570 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6571 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6572 ia64_sched_finish_global): New static functions to implement
6573 hooks from gcc_target.sched.
6574 (spec_check_no, max_uid, pending_data_specs): New static variables.
6575 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6576 ia64_spec_check_src_p): New static functions.
6577 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6578 (TARGET_SCHED_ADJUST_COST): Removed.
6579 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6580 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6581 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6582 TARGET_SCHED_GEN_CHECK,
6583 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6584 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6585 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6586 Fixed to handle speculation checks.
6587 (rtx_needs_barrier): Fixed to handle speculative loads and
6589 (ia64_variable_issue): Added code to count speculative loads and their
6591 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6593 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6595 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6597 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6598 (ia64_reorg): Reset stops_p to NULL after it is freed.
6599 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6600 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6601 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6603 (data_speculative, control_speculative, check_load): New attributes.
6604 (mov<mode>_advanced, mov<mode>_speculative,
6605 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6606 zero_extend<mode>di2_speculative,
6607 zero_extend<mode>di2_speculative_advanced): New patterns for
6608 data and control speculative loads.
6609 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6611 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6612 New pattern for data and control speculation checks.
6613 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6614 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6615 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6616 Auxiliary definitions for the patterns.
6617 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6618 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6620 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6622 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6623 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6624 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6625 New resource constraints.
6626 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6628 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6629 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6630 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6631 msched-in-control-spec, msched-ldc, msched-control-ldc,
6632 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6633 msched-prefer-non-control-spec-insns,
6634 msched-count-spec-in-critical-path): New flags to tune speculative
6636 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6637 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6638 msched-in-control-spec, msched-ldc, msched-control-ldc,
6639 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6640 msched-prefer-non-control-spec-insns,
6641 msched-count-spec-in-critical-path): Document new flags.
6643 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6645 * target.h (struct spec_info_def): New opaque declaration.
6646 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6647 speculate_insn, needs_block_p, gen_check,
6648 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6649 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6650 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6651 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6652 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6653 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6655 (TARGET_SCHED): Use new macros.
6656 * rtl.h (copy_DEPS_LIST_list): New prototype.
6657 * sched-int.h (struct sched_info): Change signature of new_ready field,
6658 adjust all initializations. New fields: add_remove_insn,
6659 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6660 region_head_or_leaf_p.
6661 (struct spec_info_def): New structure declaration.
6662 (spec_info_t): New typedef.
6663 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6664 recovery_block, orig_pat.
6665 (glat_start, glat_end): New variables declaraions.
6666 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6668 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6669 DETACH_LIFE_INFO, USE_GLAT.
6670 (enum SPEC_SCHED_FLAGS): New enumeration.
6671 (NOTE_NOTE_BB_P): New macro.
6672 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6673 attach_life_info, debug_spec_status, check_reg_live): New functions.
6674 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6675 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6677 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6678 * ddg.c (get_block_head_tail): Adjust all uses.
6679 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6680 (sms_sched_info): Initialize new fields.
6681 (contributes_to_priority): Removed.
6682 * haifa-sched.c (params.h): New include.
6683 (get_block_head_tail): Adjust all uses.
6684 (ISSUE_POINTS): New macro.
6685 (glat_start, glat_end): New global variables.
6686 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6687 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6688 old_last_basic_block, before_recovery, current_sched_info_var,
6689 rgn_n_insns, luid): New static variables.
6690 (insn_cost1): New function. Move logic from insn_cost to here.
6691 (find_insn_reg_weight1): New function. Move logic from
6692 find_insn_reg_weight to here.
6693 (reemit_notes, move_insn, max_issue): Change signature.
6694 (move_insn1): Removed.
6695 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6696 extend_bb): New static functions to support extension of scheduler's
6698 (generate_recovery_code, process_insn_depend_be_in_spec,
6699 begin_speculative_block, add_to_speculative_block,
6700 init_before_recovery, create_recovery_block, create_check_block_twin,
6701 fix_recovery_deps): New static functions to support
6702 generation of recovery code.
6703 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6704 restore_bb_notes, move_block_after_check, move_succs): New static
6705 functions to support ebb scheduling.
6706 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6707 functions to support handling of register live information.
6708 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6709 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6710 add_jump_dependencies): New static functions.
6711 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6712 consistancy checking.
6713 (debug_spec_status): New function to call from debugger.
6714 (priority): Added code to handle speculation checks.
6715 (rank_for_schedule): Added code to distinguish speculative instructions.
6716 (schedule_insn): Added code to handle speculation checks.
6717 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6718 Fixed to handle ebbs.
6719 (move_insn): Added code to handle ebb scheduling.
6720 (max_issue): Added code to use ISSUE_POINTS of instructions.
6721 (choose_ready): Added code to choose between speculative and
6722 non-speculative instructions.
6723 (schedule_block): Added code to handle ebb scheduling and scheduling of
6724 speculative instructions.
6725 (sched_init): Initialize new variables.
6726 (sched_finish): Free new variables. Print statistics.
6727 (try_ready): Added code to handle speculative instructions.
6728 * lists.c (copy_DEPS_LIST_list): New function.
6729 * sched-deps.c (extend_dependency_caches): New function. Move logic
6730 from create_dependency_caches to here.
6731 (get_dep_weak, ds_merge): Make global.
6732 * genattr.c (main): Code to output prototype for
6733 dfa_clear_single_insn_cache.
6734 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6735 (output_dfa_clean_insn_cache_func): Code to output
6736 dfa_clear_single_insn_cache function.
6737 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6739 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6741 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6742 New static variables.
6743 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6744 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6746 (ebb_sched_info): Initialize new fields.
6747 (get_block_head_tail): Adjust all uses.
6748 (compute_jump_reg_dependencies): Fixed to use glat_start.
6749 (schedule_ebb): Code to remove unreachable last block.
6750 (schedule_ebbs): Added code to update register live information.
6751 * sched-rgn.c (region_sched_info): Initialize new fields.
6752 (get_block_head_tail): Adjust all uses.
6753 (last_was_jump): Removed. Adjust users.
6754 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6755 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6756 Implement new hooks.
6757 (check_dead_notes1): New static function.
6758 (struct region): New fields: dont_calc_deps, has_real_ebb.
6759 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6760 (BB_TO_BLOCK): Fixed to handle EBBs.
6761 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6762 (ebb_head): New static variable.
6763 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6764 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6766 (compute_dom_prob_ps): New assertion.
6767 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6768 global_live_at_start.
6769 (init_ready_list): New assertions.
6770 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6771 (new_ready): Add support for BEGIN_CONTROL speculation.
6772 (schedule_insns): Fixed code that updates register live information
6774 (schedule_region): Fixed to handle EBBs.
6775 (init_regions): Use extend_regions and check_dead_notes1.
6776 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6777 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6778 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6779 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6780 TARGET_SCHED_GEN_CHECK,
6781 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6782 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6783 * doc/invoke.texi (max-sched-insn-conflict-delay,
6784 sched-spec-prob-cutoff): Document.
6786 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6788 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6789 inter_tick, queue_index.
6790 (struct sched_info): Change signature of init_ready_list field.
6791 Adjust all initializations.
6792 (RESOLVED_DEPS): New access macro.
6793 (ready_add): Remove prototype.
6794 (try_ready): Add prototype.
6795 * sched-rgn.c (init_ready_list): Use try_ready.
6796 (schedule_region): Initialize
6797 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6798 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6799 (init_ready_list): Use try_ready.
6800 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6801 * lists.c (remove_list_elem): Remove `static'.
6802 (remove_free_INSN_LIST_elem): New function.
6803 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6804 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6805 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6807 (readyp): New variable.
6808 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6809 change_queue_index, resolve_dep): New static functions.
6810 (try_ready): New function. Adjust callers in sched-rgn.c and
6811 sched-ebb.c to use it instead of ready_add.
6812 (clock_var): Move at the begining of file.
6813 (rank_for_schedule): Fix typo.
6814 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6815 (ready_lastpos): Enforce assertion.
6816 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6818 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6819 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6820 (queue_to_ready): Use free_INSN_LIST_list.
6821 (early_queue_to_ready): Fix typo.
6822 (schedule_block): Init readyp. Move init_ready_list call after the
6823 initialization of clock_var. Fix error in rejecting insn by
6824 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6825 that previously corrected INSN_TICKs. Add code for handling
6827 (set_priorities): Fix typo.
6828 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6829 Clarify comment and code that keeps current_sched_info->next_tail
6832 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6834 * sched-rgn.c (extend_rgns): New static function.
6835 (find_rgns): Use it.
6836 (gather_region_statistics, print_region_statistics): New static
6838 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6839 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6841 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6842 Andrey Belevantsev <abel@ispras.ru>
6844 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6845 * lists.c (unused_deps_list): New variable.
6846 (free_list): Add assertions to verify the proper distinguishing
6847 between INSN_LISTs and DEPS_LISTs.
6848 (find_list_elem, remove_list_elem, remove_list_node): New static
6850 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6851 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6852 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6853 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6855 (free_INSN_LIST_node): Likewise.
6856 * modulo-sched.c (current_sched_info): Initialize flags field.
6857 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6858 * rtl.def (DEPS_LIST): Define.
6859 * rtl.h: Declare new functions from lists.c.
6860 * sched-deps.c (spec_dependency_cache): New static variable.
6861 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6862 (add_dependence): Change return type to void. Move the logic to ...
6863 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6864 (delete_all_dependences): Add comment about forward_dependency_cache.
6865 Handle spec_dependency_cache. Handle DEPS_LISTs.
6866 (fixup_sched_groups): Clarify the change of priority of output
6867 and anti dependencies.
6868 (sched_analyze_2): Adjust add_dependence calls to create data
6869 speculative dependence.
6870 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6871 Adjust all callers. Handle DEPS_LISTS.
6872 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6873 presence of speculation.
6874 (init_dependency_caches, free_dependency_caches):
6875 Handle spec_dependency_cache.
6876 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6877 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6878 New static functions.
6879 (add_or_update_back_dep, add_or_update_back_forw_dep,
6880 add_back_forw_dep, delete_back_forw_dep): New functions.
6881 * sched-int.h (ds_t, dw_t): New typedefs.
6882 (struct sched_info): Add new field flags.
6883 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6884 Prototype new sched-deps.c functions.
6885 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6886 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6887 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6888 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6889 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6890 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6892 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6894 * sched-rgn.c (current_sched_info): Initialize flags field.
6895 (schedule_insns): Initialize current_sched_info before the sched_init
6897 * sched-ebb.c (current_sched_info): Initialize flags field.
6898 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6899 Call add_or_update_back_dep instead of add_dependence.
6900 Create control speculative dependencies.
6901 (schedule_insns): Initialize current_sched_info before the sched_init
6904 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6906 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6908 (sh_fallback_frame_state): Likewise.
6910 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6912 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6913 Do switch on default_use_cxa_atexit.
6914 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6915 * config/darwin-crt3.o: New.
6916 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6917 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6918 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6920 * config/rs6000/t-darwin: Move crt2.o building to here.
6921 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6922 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6925 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6927 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6928 from '! xxx' to '!xxx' for coding-style conformance.
6929 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6930 (EXTRA_CONSTRAINT): Likewise.
6931 * config/vax/vax.md (four unnamed insns): Likewise.
6933 2006-03-15 Paul Brook <paul@codesourcery.com>
6935 * config/arm/arm.c (minipool_pad): New.
6936 (add_minipool_forward_ref): Include pool alignment padding in address
6938 (push_minipool_fix): Set minipool_pad.
6939 (minipool_pad): Ditto.
6941 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6943 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6944 instead of GET_CODE() == MEM and REG_P() instead of
6946 (print_operand_address): Likewise.
6947 (vax_address_cost): Likewise.
6948 (vax_rtx_costs): Likewise.
6949 (vax_notice_update_cc): Likewise.
6950 (vax_output_int_add): Likewise.
6951 (INDEX_REGISTER_P): Likewise.
6952 (BASE_REGISTER_P): Likewise.
6953 (nonindexed_address_p): Likewise.
6954 (vax_mode_dependent_address_p): Likewise.
6955 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6956 (PRINT_OPERAND): Likewise.
6957 * config/vax/vax.md (ashlsi3): Likewise.
6958 (ashlsi3): Likewise.
6959 (some more unnamed insns): Likewise.
6961 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6963 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6964 iterator-style macro.
6965 (mark_control_dependent_edges_necessary): Update the use of
6966 EXECUTE_IF_CONTROL_DEPENDENT.
6968 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6970 * config/sh/predicates.md (cache_address_operand): Special.
6971 (ua_address_operand): Likewise.
6973 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6975 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6977 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6979 2006-03-15 Andreas Schwab <schwab@suse.de>
6981 * gensupport.c (identify_predicable_attribute): Don't free p_false
6982 when it is still in use.
6984 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6986 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6987 the default setting here.
6989 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6991 * tree-pass.h (pass_cfg): Remove.
6992 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6993 * passes.c (pass_cfg): Don't run it.
6995 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6997 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6998 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7000 (stack_regs_mentioned): Update the uses of
7001 stack_regs_mentioned_data. Don't access the array beyond its
7003 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7004 Don't include gt-reg-stack.h.
7006 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7007 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7009 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7012 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7015 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7017 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7019 2006-03-14 Richard Guenther <rguenther@suse.de>
7021 PR tree-optimization/26672
7022 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7025 2006-03-14 Richard Guenther <rguenther@suse.de>
7027 PR tree-optimization/26667
7028 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7029 node for the callees. Always allow inlining if it will shrink
7032 2006-03-14 Richard Guenther <rguenther@suse.de>
7035 * builtins.c (get_pointer_alignment): Prefer alignment
7036 information from decls over that from types.
7038 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7041 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7043 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7045 * config/rs6000/rs6000.opt (mdlmzb): New option.
7046 (msched-prolog, msched-epilog): Use Var not Mask.
7047 * doc/invoke.texi (-mdlmzb): Document.
7048 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7050 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7051 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7053 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7055 PR rtl-optimization/25739
7056 * bt-load.c (augment_live_range): Free tos pointer.
7058 * gensupport.c (identify_predicable_attribute): Free
7060 * gcov.c (create_file_names): Free name pointer.
7062 2006-03-13 Roger Sayle <roger@eyesopen.com>
7065 * stmt.c (emit_case_nodes): Handle the case where the index is a
7066 CONST_INT, where the comparison mode is specified by the index type.
7068 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7070 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7073 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7075 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7076 (*branch_fp_inverted): Likewise.
7078 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7081 * omp-low.c (expand_omp_for_generic): Mark istart0
7082 and iend0 as addressable.
7084 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7086 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7088 2006-03-13 Jeff Law <law@redhat.com>
7090 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7091 virtual operands are interesting.
7092 (vrp_visit_stmt): Corresponding changes.
7094 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7096 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7098 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7099 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7100 * config/bfin/crti.S: Use it instead of __PIC__.
7101 * config/bfin/crtn.S: Likewise.
7103 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7104 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7106 Lose 'G' modifier for call operand.
7107 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7108 recognize 'G' modifier.
7110 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7113 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7114 * stmt.c (expand_case): Likewise.
7116 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7118 PR rtl-optimization/26254
7119 * loop-invariant.c (seq_insns_valid_p): New function.
7120 (move_invariant_reg): Only emit new code if it is valid.
7122 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7124 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7126 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7127 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7128 (commit_one_edge_insertion): Do not look for loop notes.
7130 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7132 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7133 flag_test_coverage out of loop.
7135 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7137 * final.c (shorten_branches): Remove outdated comment, and turn
7138 the if branch that guards it to continue.
7140 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7142 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7143 * cfgloop.h (struct loop): Remove unused fields.
7145 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7147 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7148 (-dL, -fdump-rtl-loop2): Update the dump file names
7150 * doc/invoke.texi: Update dump file names.
7152 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7154 * predict.c (estimate_probability): Remove.
7155 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7156 * basic-block.h (estimate_probability): Remove prototype.
7157 * passes.c (finish_optimization_passes): Dump branch prediction or
7158 profiling heuristics to the .profile tree dump.
7159 (init_optimization_passes): Unqueue pass_branch_prob.
7161 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7163 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7165 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7166 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7168 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7170 * function.h (frame_offset_overflow): Declare.
7171 * function.c (frame_offset_overflow): New function.
7172 (assign_stack_local_1): Call it to detect that the offset overflows.
7173 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7175 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7177 * config/sh/sh.c: Include alloc-pool.h.
7178 (label_ref_list_pool): New alloc pool.
7179 (label_ref_list_t): New type for lists of labels.
7180 (struct pool_node): Make wend a label_ref_list_t.
7181 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7183 (dump_table): Likewise.
7184 (sh_reorg): Set up the alloc pool before using add_constant and
7185 dump_table, and destroy it when finishing.
7187 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7189 * config/mips/mips.c: Remove redundant comment.
7191 2006-03-10 Jason Merrill <jason@redhat.com>
7194 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7195 the target was declared 'register'.
7197 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7199 * genpreds.c (write_insn_constraint_len): Change definition of
7200 insn_constraint_len to return size_t to match the declaration.
7202 2006-03-10 DJ Delorie <dj@redhat.com>
7204 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7206 (m32c_expand_insv): Fix test for an AND mask.
7208 2006-03-10 Richard Guenther <rguenther@suse.de>
7211 * builtins.c (get_pointer_alignment): Handle component
7212 references for field alignment.
7214 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7216 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7217 when building with libgloss.
7218 (sh*elf): Implement --without-fp option.
7219 (sh64-superh-linux*): Don't multilib.
7221 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7223 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7225 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7227 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7228 Set it when one of the replacement functions returned true.
7229 Return TODO_cleanup_cfg if cfgchanged is true.
7230 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7232 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7234 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7235 instead of gen_lowpart.
7237 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7239 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7241 (mips_output_order_conditional_branch): Declare.
7242 * config/mips/mips.h (MIPS_BRANCH): New macro.
7243 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7244 for the comparison. Use gen_condjump.
7245 (mips_output_conditional_branch): Rework interface to take the
7246 asm templates for a direct branch and the inverse of a direct branch.
7247 (mips_output_order_conditional_branch): New function.
7248 (mips_builtin_branch_and_move): New function.
7249 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7250 branch condition. Use gen_single_cc as the condition for
7251 __builtin_mips_upper_* or __builtin_mips_lower_*.
7252 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7253 Use VOIDmode for the branch condition.
7254 * config/mips/predicates.md (order_operator): New predicate.
7255 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7256 (branch_fp): Rename to...
7257 (*branch_fp): ...this. Remove mode from comparison operator.
7258 Use new mips_output_conditional_branch interface.
7259 (branch_fp_inverted): Rename to...
7260 (*branch_fp_inverted): ...this and update as for *branch_fp.
7261 (*branch_zero<mode>): Rename to...
7262 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7263 Use mips_output_order_conditional_branch. Only accept ordered
7265 (*branch_zero<mode>_inverted): Rename to...
7266 (*branch_order<mode>_inverted): ...this and update as for
7267 *branch_order<mode>.
7268 (*branch_equality<mode>): Accept zero as the second operand to
7269 the equality operator. Use the new mips_output_conditional_branch
7271 (*branch_equality<mode>_inverted): Likewise.
7272 (condjump): New expander.
7273 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7275 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7276 (bc1any2t, bc1any2f): Likewise.
7277 (single_cc): New expander.
7278 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7280 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7282 * doc/md.texi: Update documentation of MIPS constraints.
7283 * config/mips/constraints.md: New file.
7284 * config/mips/mips.md: Include it.
7285 * config/mips/mips.c (mips_char_to_class): Delete.
7286 (override_options): Don't initialize mips_char_to_class.
7287 * config/mips/mips.h (mips_char_to_class): Delete.
7288 (REG_CLASS_FROM_LETTER): Delete.
7289 (CONST_OK_FOR_LETTER_P): Delete.
7290 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7291 (EXTRA_CONSTRAINT_Y): Delete.
7292 (EXTRA_CONSTRAINT_STR): Delete.
7293 (CONSTRAINT_LEN): Delete.
7294 (EXTRA_MEMORY_CONSTRAINT): Delete.
7296 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7298 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7299 original fn's eh regions.
7301 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7303 * fold-const.c (build_range_check): Make sure to use a valid type to
7304 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7307 (range_predecessor): New static function.
7308 (range_successor): Likewise.
7309 (merge_ranges): Use them to compute predecessors and successors of
7312 2006-03-09 Roger Sayle <roger@eyesopen.com>
7315 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7316 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7318 2006-03-08 DJ Delorie <dj@redhat.com>
7320 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7321 (addpsi3): Expand to include memory operands. Remove
7322 reload-specific splits.
7323 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7324 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7325 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7326 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7327 (shift1_qi, shift1_hi, insv): New.
7328 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7329 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7330 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7332 * config/m32c/m32c-protos.h: Update as needed.
7333 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7334 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7335 Fail for unrecognized R* constraints.
7336 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7337 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7338 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7340 (m32c_init_libfuncs): New.
7341 (m32c_legitimate_address_p): Add debug wrapper.
7342 (m32c_rtx_costs): New.
7343 (m32c_address_cost): New.
7344 (conversions): Add 'B' prefix.
7345 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7346 operands, or word regnames for QI operands. 'B' prints bit
7348 (m32c_expand_setmemhi): New.
7349 (m32c_expand_movmemhi): New.
7350 (m32c_expand_movstr): New.
7351 (m32c_expand_cmpstr): New.
7352 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7353 (m32c_expand_neg_mulpsi3): Handle non-ints.
7354 (m32c_cmp_flg_0): New.
7355 (m32c_expand_movcc): New.
7356 (m32c_expand_insv): New.
7357 (m32c_scc_pattern): New.
7358 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7359 a0/a1 out of SIregs.
7360 (STORE_FLAG_VALUE): New.
7361 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7364 * config/m32c/mov.md: Make constraints more liberal.
7365 (zero_extendqihi2): Optimize r0/r1 case.
7366 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7367 * config/m32c/predicates.md (m32c_any_operand): New.
7368 (m32c_nonimmediate_operand): New.
7369 (m32c_hl_operand): New.
7370 (m32c_r3_operand): New.
7373 (memsym_operand): New.
7374 (memimmed_operand): New.
7375 (a_qi_operand): New.
7376 (m32c_eqne_operator): New.
7377 (m32c_1bit8_operand): New.
7378 (m32c_1bit16_operand): New.
7379 (m32c_1mask8_operand): New.
7380 (m32c_1mask16_operand): New.
7381 * config/m32c/blkmov.md: New file.
7382 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7384 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7386 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7387 unsigned to fix signed/unsigned comparison issue in
7388 DWARF2_FRAME_REG_OUT.
7389 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7390 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7392 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7393 of ptr into the ENABLE_CHECKING section.
7395 2006-03-08 Jeff Law <law@redhat.com>
7397 * tree-vrp.c (infer_value_range): Only count pointer uses
7398 and dereferences if -fdelete-null-pointer-checks is enabled.
7400 * tree-vrp.c (find_assert_locations): Infer value ranges for
7401 single use pointers, but do not create ASSERT_EXPRs for them.
7402 When a non-null range is inferred for a pointer, backwards
7403 propagate that range to other equivalent pointers through the
7406 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7409 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7410 language hook targets.
7411 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7412 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7413 if language hook targets were missing.
7415 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7417 * tree-ssa-opfinalize.h: Removed.
7418 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7420 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7421 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7422 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7423 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7424 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7425 finalize_ssa_v_must_def_ops): New.
7427 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7429 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7432 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7434 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7436 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7437 addresses with offsets; reorganize.
7439 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7440 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7441 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7443 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7446 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7448 2006-03-08 Ben Elliston <bje@au.ibm.com>
7450 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7452 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7455 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7458 2006-03-07 Richard Guenther <rguenther@suse.de>
7460 PR tree-optimization/26587
7461 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7463 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7465 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7467 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7469 * hooks.c (hook_bool_mode_rtx_true): New function.
7470 * hooks.h (hook_bool_mode_rtx_true): Declare.
7471 * toplev.c (compile_file): Call output_shared_constant_pool.
7472 * varasm.c (shared_constant_pool): New variable.
7473 (assemble_start_function, assemble_end_function): Remove arguments
7474 from call to output_constant_pool.
7475 (create_constant_pool): New function, split out from...
7476 (init_varasm_status): ...here.
7477 (force_const_mem): Choose between the shared and per-function constant
7478 pools. Set current_function_uses_const_pool when reusing old entries
7479 as well as when creating new ones.
7480 (mark_constant): Ignore data argument.
7481 (mark_constants): Remove pool argument.
7482 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7483 to decide whether the function uses a constant pool.
7484 (output_constant_pool_contents): New function, split out from...
7485 (output_constant_pool): ...here.
7486 (output_shared_constant_pool): New function.
7487 (init_varasm_once): Initialize shared_constant_pool.
7488 * output.h (output_constant_pool): Delete.
7489 (output_shared_constant_pool): Declare.
7490 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7491 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7493 2006-03-06 Nick Clifton <nickc@redhat.com>
7495 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7496 flag_strength_reduce.
7498 2006-03-06 Ben Elliston <bje@au.ibm.com>
7500 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7501 x86_64-*-linux* configurations.
7503 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7504 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7506 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7508 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7510 * basic-block.h: Remove the extern for
7511 rediscover_loops_after_threading.
7513 * cfgloop.c (cancel_loop): Make it static.
7514 * cfgloop.h: Remove the prototype for cancel_loop.
7516 * flow.c (recompute_reg_usage): Make it static.
7517 * rtl.h: Remove the prototype for recompute_reg_usage.
7519 * function.c (use_return_register): Make it static.
7520 * function.h: Remove the prototype.
7522 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7524 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7526 * recog.h: Remove the prototype for
7527 validate_change_maybe_volatile.
7529 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7531 * rtlanal.c (replace_reg): Remove.
7532 * rtl.h: Remove the prototype for replace_reg.
7534 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7536 * regclass.c (reg_scan_update): Remove.
7537 (reg_scan_mark_refs): Remove the last argument.
7538 * rtl.h: Remove the prototype for reg_scan_update.
7540 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7542 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7543 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7544 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7545 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7546 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7547 loop-invariant.c, omp-low.c, opts.c, passes.c,
7548 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7549 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7550 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7551 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7552 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7553 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7555 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7557 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7558 * dwarf2out.h: Remove the prototype for
7559 dwarf2out_add_library_unit_info.
7561 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7563 * tree.c (add_var_to_bind_expr): Remove.
7564 * tree.h: Remove the prototype for add_var_to_bind_expr.
7566 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7568 * regclass.c (n_non_fixed_regs): Remove.
7569 (init_reg_sets_1, globalize_reg): Remove all uses of
7571 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7573 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7575 * rtlanal.c (insns_safe_to_move_p): Remove.
7576 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7578 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7580 * expmed.c (expand_mult_add): Remove.
7581 * expr.h: Remove the prototype for expand_mult_add.
7583 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7585 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7586 and REG_SAVED_VAL_EXP constants.
7587 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7588 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7589 Handle regs stored by value.
7590 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7591 (execute_cfa_program): Handle DW_CFA_val_offset,
7592 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7593 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7594 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7595 (uw_install_context_1): Handle target regs stored by value.
7597 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7599 * tree-sra.c (tree_sra): Return todoflags;
7600 (generate_one_element): Set TODO_update_smt_usage if needed.
7601 (pass_sra): Remove TODO_update_smt_usage.
7602 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7604 (tree_ssa_forward_propagate_single_use_vars): Return
7605 TODO_update_smt_usage if we need to update SMT usage.
7606 (pass_forwprop): Remove TODO_update_smt_usage.
7608 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7610 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7611 (correct_use_link): Remove reference to get_stmt_operands.
7612 (update_stmt_operands): Likewise.
7613 (get_modify_expr_operands): New function factored out of
7614 parse_ssa_operands and get_expr_operands.
7615 Try to create V_MUST_DEFs for LHS by default.
7616 (get_expr_operands) <case MODIFY_EXPR>: Call
7617 get_modify_expr_operands.
7618 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7619 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7620 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7621 get_modify_expr_operands.
7623 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7625 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7626 * tree-flow.h: Remove the prototype for
7627 referenced_var_lookup_if_exists.
7629 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7631 PR rtl-optimization/26345
7633 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7635 2006-03-03 Roger Sayle <roger@eyesopen.com>
7637 PR tree-optimization/26524
7638 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7639 fold_convert to create a constant of the appropriate type.
7641 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7643 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7644 SYMBOL_REF_IN_BLOCK_P.
7645 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7646 of SYMBOL_FLAG_IN_BLOCK.
7647 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7648 instead of SYMBOL_REF_IN_BLOCK_P.
7649 * explow.c (use_anchored_address): Likewise.
7650 * rtl.c (rtx_size): Likewise.
7651 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7652 instead of SYMBOL_FLAG_IN_BLOCK.
7653 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7654 SYMBOL_REF_IN_BLOCK_P.
7655 (assemble_variable): Likewise.
7656 (output_constant_def_contents): Likewise.
7657 (output_constant_pool): Likewise.
7658 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7659 instead of SYMBOL_FLAG_IN_BLOCK.
7660 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7661 SYMBOL_REF_IN_BLOCK_P.
7662 (SYMBOL_REF_BLOCK): Likewise.
7663 (SYMBOL_REF_OFFSET): Likewise.
7664 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7665 SYMBOL_REF_IN_BLOCK_P.
7666 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7667 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7668 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7669 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7671 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7673 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7675 2006-03-02 Roger Sayle <roger@eyesopen.com>
7677 * simplify-rtx.c (simplify_unary_operation): When simplifying
7678 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7679 that we perform the right shift in the appropriate mode, and
7680 then extend or truncate the result to requested mode.
7682 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7684 * gengtype.c (main): Handle double_int type.
7685 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7686 * double-int.c: New file.
7687 * double-int.h: New file.
7688 * system.h: Include doubleint.h.
7689 * Makefile.in (SYSTEM_H): Include double-int.h.
7690 (double-int.o): Add.
7692 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7695 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7698 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7700 * tree-vrp.c (remove_range_assertions): Do not update statements
7703 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7705 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7707 * gcse.c (rest_of_handle_gcse): Ditto.
7708 * except.c (gate_handle_eh): Ditto.
7709 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7710 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7712 2006-03-02 Eric Christopher <echristo@apple.com>
7714 * config/i386/i386.c (machopic_output_stub): Add indirection to
7717 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7721 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7723 Sun Niagara specific optimizations.
7724 * config.gcc: Recognize niagara as target.
7725 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7726 (TARGET_CPU_niagara): Define.
7727 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7728 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7729 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7730 (ASM_CPU_SPEC): Likewise.
7731 (PROCESSOR_NIAGARA): New enum entry.
7732 (REGISTER_MOVE_COST): Handle Niagara.
7733 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7734 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7735 (sparc_override_options): Recognize "niagara", set appropriate
7736 default MASK_* values for it, and align functions to 32-bytes
7737 by default just like ULTRASPARC/ULTRASPARC3.
7738 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7739 (sparc64_initialize_trampoline): Likewise.
7740 (sparc_use_sched_lookahead): Use zero for niagara.
7741 (sparc_issue_rate): Use one for niagara.
7742 * config/sparc/niagara.md: New file.
7743 * config/sparc/sparc.md: Include it.
7744 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7745 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7746 when default cpu is niagara.
7747 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7748 (ASM_CPU_SPEC): Likewise.
7749 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7750 when default cpu is niagara.
7751 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7752 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7753 just like v9/ultrasparc/ultrasparc3.
7754 * doc/invoke.texi: Add documentation for "niagara" and improve
7755 existing documentation for ultrasparc variants.
7757 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7759 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7761 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7763 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7764 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7765 and say that only one is needed.
7766 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7767 * target.h (have_switchable_bss_sections): New hook.
7768 * explow.c (use_anchored_address): Check that the symbol is in a block.
7769 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7770 (bss_noswitch_section): New variables.
7771 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7772 (get_noswitch_section): New function.
7773 (get_block_for_section): Allow SECT to be null.
7774 (unlikely_text_section_p): Use SECTION_STYLE.
7775 (bss_initializer_p): New function.
7776 (get_variable_section): Move earlier in file. Take a new argument,
7777 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7778 Return one of the new *_sections in such cases.
7779 (get_block_for_decl): New function, extracting some logic from
7780 use_blocks_for_decl_p.
7781 (change_symbol_section): Remove in favor of...
7782 (change_symbol_block): ...this new function.
7783 (use_blocks_for_decl_p): Remove checks now performed by
7785 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7786 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7787 (emit_local, emit_bss, emit_common): ...these new functions.
7788 Return true if the alignment was honored.
7789 (emit_tls_common): New function.
7790 (asm_emit_uninitialised): Delete.
7791 (assemble_variable_noswitch): New function, split out from...
7792 (assemble_variable): ...here. Don't make decisions about common
7793 variables here. Globalize all public decls that go into non-common
7794 sections. Check whether SYMBOL_REF_BLOCK is null.
7795 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7796 (output_constant_pool): Likewise.
7797 (init_varasm_once): Initialize the new section variables.
7798 (have_global_bss_p): New function.
7799 (categorize_decl_for_section): Use bss_initializer_p.
7800 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7801 (place_block_symbol): Assert that the symbol must be in a block.
7802 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7803 (TARGET_INITIALIZER): Include it.
7804 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7805 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7806 (SECTION_MACH_DEP): Bump by two.
7807 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7808 (unnamed_section): Mention SECTION_UNNAMED in comment.
7809 (named_section): Likewise SECTION_NAMED.
7810 (noswitch_section_callback): New type.
7811 (noswitch_section): New structure.
7812 (section): Add a noswitch_section alternative.
7813 (SECTION_STYLE): New macro.
7814 (tls_comm_section, comm_section, lcomm_section): Declare.
7815 (bss_noswitch_section, have_global_bss_p): Declare.
7816 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7817 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7819 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7820 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7823 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7825 * tree-vrp.c (execute_vrp): Return value.
7826 * regrename.c (rest_of_handle_regrename): Ditto.
7827 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7828 * tree-complex.c (tree_lower_complex): Ditto.
7829 (tree_lower_complex_O0): Ditto.
7830 * tracer.c (rest_of_handle_tracer): Ditto.
7831 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7832 * postreload.c (rest_of_handle_postreload): Ditto.
7833 * tree-tailcall.c (execute_tail_recursion): Ditto.
7834 (execute_tail_calls): Ditto.
7835 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7836 * tree.h (init_function_for_compilation): Ditto.
7837 * ipa-cp.c (ipcp_driver): Ditto.
7838 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7839 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7840 * final.c (compute_alignments): Ditto.
7841 (rest_of_handle_final): Ditto.
7842 (rest_of_handle_shorten_branches): Ditto.
7843 (rest_of_clean_state): Ditto.
7844 * omp-low.c (execute_expand_omp): Ditto.
7845 (execute_lower_omp): Ditto.
7846 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7847 * ipa-reference.c (static_execute): Ditto.
7848 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7849 * reorg.c (rest_of_handle_delay_slots): Ditto.
7850 (rest_of_handle_machine_reorg): Ditto.
7851 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7852 * flow.c (recompute_reg_usage): Ditto.
7853 (rest_of_handle_remove_death_notes): Ditto.
7854 (rest_of_handle_life): Ditto.
7855 (rest_of_handle_flow2): Ditto.
7856 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7857 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7858 (do_ssa_store_ccp): Ditto.
7859 (execute_fold_all_builtins): Ditto.
7860 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7861 * modulo-sched.c (rest_of_handle_sms): Ditto.
7862 * ipa-pure-const.c (static_execute): Ditto.
7863 * cse.c (rest_of_handle_cse): Ditto.
7864 (rest_of_handle_cse2): Ditto.
7865 * web.c (rest_of_handle_web): Ditto.
7866 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7867 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7868 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7869 * tree-nrv.c (tree_nrv): Ditto.
7870 (execute_return_slot_opt): Ditto.
7871 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7872 (create_structure_vars): Ditto.
7873 * loop-init.c (rtl_loop_init): Ditto.
7874 (rtl_loop_done): Ditto.
7875 (rtl_move_loop_invariants): Ditto.
7876 (rtl_unswitch): Ditto.
7877 (rtl_unroll_and_peel_loops): Ditto.
7878 (rtl_doloop): Ditto.
7879 * gimple-low.c (lower_function_body): Ditto.
7880 (mark_used_blocks): Ditto.
7881 * tree-ssa-sink.c (execute_sink_code): Ditto.
7882 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7883 (cgraph_early_inlining): Ditto.
7884 * global.c (rest_of_handle_global_alloc): Ditto.
7885 * jump.c (cleanup_barriers): Ditto.
7886 (purge_line_number_notes): Ditto.
7887 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7888 (rest_of_handle_if_after_reload): Ditto.
7889 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7890 (tree_ssa_loop_im): Ditto.
7891 (tree_ssa_loop_unswitch): Ditto.
7892 (tree_vectorize): Ditto.
7893 (tree_linear_transform): Ditto.
7894 (tree_ssa_loop_ivcanon): Ditto.
7895 (tree_ssa_empty_loop): Ditto.
7896 (tree_ssa_loop_bounds): Ditto.
7897 (tree_complete_unroll): Ditto.
7898 (tree_ssa_loop_prefetch): Ditto.
7899 (tree_ssa_loop_ivopts): Ditto.
7900 (tree_ssa_loop_done): Ditto.
7901 * predict.c (tree_estimate_probability): Ditto.
7902 * recog.c (split_all_insns_noflow): Ditto.
7903 (rest_of_handle_peephole2): Ditto.
7904 (rest_of_handle_split_all_insns): Ditto.
7905 * tree-eh.c (lower_eh_constructs): Ditto.
7906 * regmove.c (rest_of_handle_regmove): Ditto.
7907 (rest_of_handle_stack_adjustments): Ditto.
7908 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7909 * function.c (instantiate_virtual_regs): Ditto.
7910 (init_function_for_compilation): Ditto.
7911 (rest_of_handle_check_leaf_regs): Ditto.
7912 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7913 (rest_of_handle_gcse): Ditto.
7914 * ipa-type-escape.c (type_escape_execute): Ditto.
7915 * alias.c (rest_of_handle_cfg): Ditto.
7916 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7917 * profile.c (rest_of_handle_branch_prob): Ditto.
7918 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7919 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7920 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7921 * tree-dfa.c (find_referenced_vars): Ditto.
7922 * except.c (set_nothrow_function_flags): Ditto.
7923 (convert_to_eh_region_ranges): Ditto.
7924 (rest_of_handle_eh): Ditto.
7925 * emit-rtl.c (unshare_all_rtl): Ditto.
7926 (remove_unnecessary_notes): Ditto.
7927 * except.h (set_nothrow_function_flags): Ditto.
7928 (convert_to_eh_region_ranges): Ditto.
7929 * cfgexpand.c (tree_expand_cfg): Ditto.
7930 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7931 * tree-ssa-pre.c (do_pre): Ditto.
7932 (execute_fre): Ditto.
7933 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7934 (rest_of_handle_jump2): Ditto.
7935 * tree-sra.c (tree_sra): Ditto.
7936 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7937 (execute_mudflap_function_decls): Ditto.
7938 * tree-ssa-copy.c (do_copy_prop): Ditto.
7939 (do_store_copy_prop): Ditto.
7940 * ipa-prop.h (ipcp_driver): Ditto.
7941 * cfglayout.c (insn_locators_initialize): Ditto.
7942 * tree-ssa-forwprop.c
7943 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7944 * cfglayout.h (insn_locators_initialize): Ditto.
7945 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7946 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7947 (execute_late_warn_uninitialized): Ditto.
7948 * rtl.h (cleanup_barriers): Ditto.
7949 (split_all_insns_noflow): Ditto.
7950 (purge_line_number_notes): Ditto.
7951 (unshare_all_rtl): Ditto.
7952 (remove_unnecessary_notes): Ditto.
7953 (recompute_reg_usage): Ditto.
7954 (variable_tracking_main): Ditto.
7955 * integrate.c (emit_initial_value_sets): Ditto.
7956 * integrate.h (emit_initial_value_sets): Ditto.
7957 * tree-optimize.c (execute_free_datastructures): Ditto
7958 (execute_free_cfg_annotations): Ditto.
7959 (execute_fixup_cfg): Ditto.
7960 (execute_cleanup_cfg_pre_ipa): Ditto.
7961 (execute_cleanup_cfg_post_optimizing): Ditto.
7962 (execute_init_datastructures): Ditto.
7963 * tree-object-size.c (compute_object_sizes): Ditto.
7964 * combine.c (rest_of_handle_combine): Ditto.
7965 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7966 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7967 (rest_of_handle_reorder_blocks): Ditto.
7968 (rest_of_handle_partition_blocks): Ditto.
7969 * var-tracking.c (variable_tracking_main): Ditto.
7970 * tree-profile.c (tree_profiling): Ditto.
7971 * tree-vect-generic.c (expand_vector_operations): Ditto.
7972 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7973 * sched-rgn.c (rest_of_handle_sched): Ditto.
7974 (rest_of_handle_sched2): Ditto.
7975 * basic-block.h (free_bb_insn): Ditto.
7976 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7977 * tree-cfg.c (execute_build_cfg): Ditto.
7978 (remove_useless_stmts): Ditto.
7979 (split_critical_edges): Ditto.
7980 (execute_warn_function_return): Ditto.
7981 (execute_warn_function_noreturn): Ditto.
7982 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7983 * cfgrtl.c (free_bb_for_insn): Ditto.
7984 * passes.c (execute_one_pass): Run additional
7985 todos returned by execute function.
7986 * tree-pass.h (struct tree_opt_pass): Make execute
7989 2006-03-02 Richard Guenther <rguenther@suse.de>
7991 * tree-ssa-alias.c (find_used_portions): Consider taking
7992 the address as making the variable not write-only.
7994 2006-03-02 Nick Clifton <nickc@redhat.com>
7996 * config.gcc (default_use_cxa_atexit): Extend the description of
7997 this configure variable. Set its default value to "yes" for
7998 Linux, NetBSD and ELF targets on the assumption that they will
7999 use C libraries with the __cxa_atexit function.
8001 2006-03-02 Ben Elliston <bje@au.ibm.com>
8003 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8004 parameter as unused to suppress a build warning.
8006 2006-03-02 Ben Elliston <bje@au.ibm.com>
8008 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8011 2006-03-01 Roger Sayle <roger@eyesopen.com>
8014 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8015 declared name, the weak reference name, and the typeof name.
8016 (__gthrw): Avoid expanding the declared name suffix.
8017 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8019 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8021 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8023 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8024 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8025 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8026 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8027 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8028 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8029 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8030 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8031 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8032 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8033 (DW_END_default, DW_END_big, DW_END_little): New.
8034 (DW_END_lo_user, DW_END_hi_user): Define.
8035 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8036 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8037 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8040 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8042 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8044 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8046 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8048 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8050 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8051 to 'symbol_mem_tag'.
8053 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8056 2006-03-01 Roger Sayle <roger@eyesopen.com>
8058 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8060 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8063 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8064 MACHO_DYNAMIC_NO_PIC_P.
8065 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8067 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8070 * config/darwin-protos.h (darwin_asm_output_anchor):
8072 * config/darwin-sections.def (cstring_section):
8073 Add SECTION_MERGE to the flags.
8074 (literal4_section): Likewise.
8075 (literal8_section): Likewise.
8076 (objc_selector_refs_section): Likewise.
8077 (objc_cls_refs_section): Likewise.
8078 * config/darwin.c (darwin_asm_output_anchor): New
8080 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8082 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8084 Fix PR tree-optimization/26443
8085 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8086 to todo and PROP_tmt_usage to properties_destroyed.
8087 * tree-ssa-ccp.c (pass_ccp): Ditto.
8088 (pass_store_ccp): Ditto.
8089 * tree-ssa-dom.c (pass_dominator): Ditto.
8091 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8093 * tree-ssa-operands.c: Cleanup whitespace.
8094 (get_asm_expr_operands): Move before first invocation.
8095 (get_indirect_ref_operands): Likewise.
8096 (get_tmr_operands): Likewise.
8097 (get_call_expr_operands): Likewise.
8098 (append_def): Likewise.
8099 (append_use): Likewise.
8100 (append_v_may_def): Likewise.
8101 (append_v_must_def): Likewise.
8102 (add_call_clobber_ops): Likewise.
8103 (add_call_read_ops): Likewise.
8104 (add_stmt_operand): Likewise.
8105 (add_virtual_operand): Likewise.
8106 (build_ssa_operands): Likewise.
8108 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8113 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8114 with a call expr to ...
8115 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8117 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8119 * tree-vrp.c (extract_range_from_assert): Remove special
8120 handling for types with super-types.
8122 2006-03-01 Ben Elliston <bje@au.ibm.com>
8124 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8125 and powerpc64-*-linux* configurations.
8126 * config/t-dfprules: New file.
8128 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8129 Compile dfp-bit.c from the source directory using -DWIDTH and
8130 $DFP_CFLAGS to control the compilation of that file, rather than
8131 generating width-specific versions in the build directory.
8132 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8133 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8135 2006-02-28 Zack Weinberg <zackw@panix.com>
8137 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8140 2006-02-28 Eric Christopher <echristo@apple.com>
8142 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8143 Set up IN_LIBGCC definition of TARGET_64BIT.
8144 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8146 2006-02-28 Roger Sayle <roger@eyesopen.com>
8149 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8150 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8151 cases via the construction of "expr != 0".
8153 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8155 * alias.c (alias_invariant, alias_invariant_size): Remove.
8156 (record_base_value): Remove.
8157 (memrefs_conflict_p): Don't look at alias_invariant.
8158 (end_alias_analysis): Don't free it.
8159 * alias.h (record_base_value): Remove prototype.
8161 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8162 Adam Nemet <anemet@caviumnetworks.com>
8164 * rtl.h (truncated_to_mode): Declare it.
8165 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8166 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8167 (RTL_HOOKS_INITIALIZER): Include it.
8168 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8169 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8170 reg_truncated_to_mode.
8171 * rtlanal.c (truncated_to_mode): Define it.
8172 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8174 2006-02-28 Jeff Law <law@redhat.com>
8176 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8177 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8178 the range allowed by TYPE_PRECISION.
8180 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8182 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8184 PR tree-optimization/26419
8185 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8188 2006-02-27 Zack Weinberg <zackw@panix.com>
8190 * doc/md.texi: Fix typo in previous change.
8192 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8196 2006-02-27 Zack Weinberg <zackw@panix.com>
8198 * rtl.def (define_constraint, define_register_constraint)
8199 (define_memory_constraint, define_address_constraint): New MD forms.
8200 * gensupport.c (process_rtx): Put define_constraint etc on the
8202 * genpreds.c (process_define_predicate): Adjust comment. Validate
8203 the name, and call validate_exp to validate the expression.
8204 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8205 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8206 all callers changed.
8207 (validate_exp, needs_variable, struct constraint_data)
8208 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8209 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8210 (const_dbl_constraints, constraint_max_namelen)
8211 (have_register_constraints, have_memory_constraints)
8212 (have_address_constraints, have_address_constraints)
8213 (have_extra_constraints, have_const_int_constraints)
8214 (have_const_dbl_constraints, mangle, add_constraint)
8215 (process_define_constraint, process_define_register_constraint)
8216 (write_enum_constraint_num, write_lookup_constraint)
8217 (write_insn_constraint_len, write_regclass_for_constraint)
8218 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8219 (write_insn_extra_memory_constraint)
8220 (write_insn_extra_address_constraint)
8221 (write_satisfies_constraint_fns): New.
8222 (write_tm_preds_h): If we have new-style constraint definitions,
8223 prototype the functions generated from them, and define the
8224 old constraint interface (still used by generic code) in terms of
8226 (write_insn_preds_c): If we have new-style constraint definitions,
8227 generate all relevant functions from those definitions.
8228 (main): Handle define_constraint etc.
8229 * genoutput.c (struct constraint_data, indep_constraints)
8230 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8231 (mdep_constraint_len): New data structures and functions, defined
8232 #ifdef USE_MD_CONSTRAINTS.
8233 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8234 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8235 use new logic to validate operand constraints against constraint
8237 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8239 * defaults.h: If none of the old-style constraint macros are
8240 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8241 old-style macros; and poison REG_CLASS_FROM_LETTER,
8242 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8244 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8245 * doc/md.texi: Document new constraint-definition mechanism and the
8246 C interface it provides. Remove references to old mechanism
8247 elsewhere in the document.
8248 (Machine Constraints): Use pathnames relative to gcc directory,
8249 i.e. config/ARCH/FILE. Change i386 section to refer to
8250 config/i386/predicates.md; update that section to match docstrings.
8251 * doc/tm.texi: Move all documentation of the old constraint-
8252 definition macros to their own section, clearly mark as obsolete.
8254 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8255 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8257 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8258 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8259 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8261 (splits and peepholes): Use satisfies_constraint_*.
8262 * config/i386/i386.c (memory_address_length)
8263 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8265 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8267 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8268 scalar operation to be put back into the loop.
8270 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8273 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8274 (extract_cie_info): Handle S flag in augmentation string.
8275 (execute_cfa_program): If context->signal_frame, execute also
8276 fs->pc == context->ra instructions.
8277 (uw_frame_state_for): If context->signal_frame, don't subtract one
8278 from context->ra to find FDE.
8279 (uw_update_context_1): Set context->signal_frame to
8281 (_Unwind_GetIPInfo): New function.
8282 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8283 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8285 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8286 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8287 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8288 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8289 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8290 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8291 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8292 x86_64_fallback_frame_state): Set fs->signal_frame.
8293 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8294 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8295 (frob_update_context): Likewise. Workaround missing S flag in
8296 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8297 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8298 Remove the psw_addr + 1 hack.
8300 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8302 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8303 with aggregates here.
8304 (find_func_aliases): Remove code for &<aggregate> from here.
8306 2006-02-26 Roger Sayle <roger@eyesopen.com>
8308 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8309 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8310 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8313 2006-02-26 Roger Sayle <roger@eyesopen.com>
8316 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8318 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8320 * opts.c (decode_options): Do not handle flag_strength_reduce.
8321 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8322 and OPT_fstrength_reduce.
8323 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8324 flag_prefetch_loop_arrays for being nonzero.
8325 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8327 (fprefetch-loop-arrays-rtl): Removed.
8328 (flag_prefetch_loop_arrays): Do not specify the value.
8330 * doc/passes.texi: Update documentation of loop optimizer
8332 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8333 -frerun-loop-opt): Remove.
8335 2006-02-26 Richard Guenther <rguenther@suse.de>
8337 PR tree-optimization/26421
8338 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8339 in function calls that are ADDR_EXPRs as using the whole structure.
8341 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8343 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8344 * tree-pass.h (pass_loop_optimize): Remove.
8345 * passes.c (pass_loop_optimize): Never run it.
8346 * toplev.c (backend_init): Don't call init_loop.
8347 * opts.c (flag_loop_optimize_set): Remove.
8348 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8349 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8350 the old RTL loop optimizer when profiling enabled.
8351 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8352 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8353 pre-headers for the sake of the old RTL loop optimizer.
8354 * Makefile.in: Remove all references to loop.o.
8356 * doc/invoke.texi: Remove all references to -floop-optimize
8357 and -frerun-loop-opt.
8359 2006-02-26 Zack Weinberg <zackw@panix.com>
8361 * doc/md.texi (Machine Constraints): Refer to all files with paths
8362 relative to gcc directory (i.e. config/CPU/file). Add missing
8363 @table @code ... @end table to M32C subsection.
8365 2006-02-26 Roger Sayle <roger@eyesopen.com>
8367 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8369 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8371 2006-02-26 Roger Sayle <roger@eyesopen.com>
8372 James A. Morrison <phython@gcc.gnu.org>
8375 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8376 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8377 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8378 signedness of the shift operation.
8380 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8382 PR tree-optimization/26359
8383 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8385 2006-02-25 Roger Sayle <roger@eyesopen.com>
8387 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8388 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8389 as X == 0, and some symmetry related transformations.
8390 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8392 2006-02-25 Roger Sayle <roger@eyesopen.com>
8395 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8396 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8397 symmetry related transformations. Fold (X^C1) == C2 as
8400 2006-02-25 Juergen Weigert <jw@suse.de>
8401 Richard Guenther <rguenther@suse.de>
8403 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8405 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8407 * combine.c (gen_lowpart_or_truncate): Call
8408 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8410 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8412 * doc/invoke.texi: Move -fopenmp description to "Options for
8414 Remove reference to -lgomp.
8416 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8418 * doc/install.texi: Require GNU tar version 1.14.
8420 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8422 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8423 * doc/invoke.texi (C++ Dialect Options): Document
8424 -fno-use-cxa-get-exception-ptr.
8425 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8426 * configure: Regenerate.
8427 * c.opt (fuse-cxa-get-exception-ptr): New.
8428 * c-opts.c (c_common_handle_option): Handle
8429 OPT_fuse_cxa_get_exception_ptr.
8430 * c-common.c (flag_use_cxa_atexit): Update documentation.
8431 (flag_use_cxa_get_exception_ptr): New.
8432 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8433 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8435 (C_COMMON_OVERRIDE_OPTIONS): New.
8437 2006-02-24 Roger Sayle <roger@eyesopen.com>
8440 * combine.c (try_combine): Explicitly check whether GET_CODE is
8441 a SET or a CLOBBER, instead on checking that it isn't a USE.
8443 2006-02-24 Roger Sayle <roger@eyesopen.com>
8445 * fold-const.c (fold_comparison): New subroutine of fold_binary
8446 containing transformations common to both the equality and
8447 ordering relational operators, factored out of fold_binary.
8448 (fold_binary): Separate out the equality operators (EQ_EXPR
8449 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8450 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8451 transformations common to both.
8452 (fold_div_compare): Fix latent bugs in the previously unreachable
8453 LT_EXPR and GE_EXPR cases.
8455 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8457 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8458 decl libname for clog to __clog on AIX.
8460 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8462 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8465 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8466 output traceback table for thunks. Localise rs6000_stack_info call.
8468 2006-02-23 Roger Sayle <roger@eyesopen.com>
8469 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8471 * gthr-posix.h (__gthrw): Fix typo in comment.
8473 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8475 * doc/cpp.texi (Character sets): Document that we do support
8476 input files to be in any character set.
8478 2006-02-23 Jeff Law <law@redhat.com>
8480 * tree.h (PHI_ARG_NONZERO): Remove.
8481 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8482 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8483 node to the new node.
8485 PR tree-optimization/26425
8486 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8487 min/max, then assume its varying.
8489 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8491 PR rtl-optimization/26316
8492 * rtlanal.c (enum may_trap_p_flags): New.
8493 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8494 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8495 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8496 (may_trap_after_code_motion_p): New function.
8497 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8498 (find_invariant_insn): Use may_trap_after_code_motion_p.
8499 * rtl.h (may_trap_after_code_motion_p): Declare.
8501 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8503 * emit-rtl.c (immed_double_const): Cleanup.
8505 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8507 Fix PR tree-optimization/26376
8508 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8511 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8514 * gimplify.c (omp_add_variable): Guard variable size decl test with
8515 DECL_SIZE (decl) check.
8517 2006-02-23 Richard Guenther <rguenther@suse.de>
8520 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8521 like aggregate types.
8523 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8525 * configure.ac: Add --with{,out}-long-double-128 configure option.
8526 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8527 * configure: Rebuilt.
8528 * config.in: Rebuilt.
8529 * doc/install.texi (Options specification): Document
8530 --with-long-double-128.
8532 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8533 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8534 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8535 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8537 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8539 * config/s390/s390.c (override_options): Handle
8540 TARGET_DEFAULT_LONG_DOUBLE_128.
8542 * config/alpha/alpha.c (override_options): Handle
8543 TARGET_DEFAULT_LONG_DOUBLE_128.
8545 * config/sparc/sparc.c (sparc_override_options): Handle
8546 TARGET_DEFAULT_LONG_DOUBLE_128.
8548 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8550 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8551 (real-install-headers-tar, real-install-headers-cpio)
8552 (real-install-headers-cp): New targets.
8554 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8556 * tree.h (variable_section): Delete.
8557 * varasm.c (variable_section): Delete.
8559 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8561 * install.texi: Add notes on install.texi2html.
8562 (Building in parallel): Do not use footnotes.
8564 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8567 * doc/install.texi (Configuration): Document --disable-libgomp.
8569 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8571 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8573 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8575 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8576 (vec_extractv2df_0_sse): New.
8578 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8580 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8581 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8582 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8583 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8584 to the result of the expression.
8585 (def_cfa_1): Adjust.
8586 (frame_pointer_cfa_offset): Rename to...
8587 (frame_pointer_fb_offset): ... this. Adjust all uses.
8588 (convert_cfa_to_loc_list): Rename to...
8589 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8590 Pass it on to build_cfa_loc.
8591 (compute_frame_pointer_to_cfa_displacement): Rename to...
8592 (compute_frame_pointer_to_fb_displacement): ... this. New
8593 offset parameter. Use it in computation.
8594 (gen_subprogram_die): Compute cfa_fb_offset with the new
8595 macro, and use it to compute the fb loc list and the
8598 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8600 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8601 replaced with register_operand.
8602 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8603 non-DREG is expensive.
8604 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8605 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8608 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8610 * doc/install.texi2html: Use set -e.
8612 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8614 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8615 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8616 * doc/invoke.texi (-fshared-data): Delete.
8617 * common.opt (fshared-data): Delete.
8618 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8619 (assemble_static_space): Remove #if 0 code.
8620 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8621 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8622 * config/cris/cris.h: Remove FIXME.
8624 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8626 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8629 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8632 * combine.c (simplify_shift_const_1): Disable nested shifts
8633 optimization for vector shifts.
8635 2006-02-20 Roger Sayle <roger@eyesopen.com>
8637 PR tree-optimization/26361
8638 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8639 of unsigned integer types.
8641 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8643 * tree-chrec.c (eq_evolutions_p): New.
8644 * tree-chrec.h (eq_evolutions_p): Declared.
8645 * tree-data-ref.c: Fix formatting.
8646 (datadep_stats, dependence_stats): New.
8648 (print_direction_vector): New.
8649 (dump_data_dependence_relation): Use print_direction_vector.
8650 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8651 (compute_subscript_distance): Static.
8652 (initialize_data_dependence_relation): Static. Get the number
8653 of loops surrounding the references from the callers, and initialize
8654 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8655 base_object_differ_p analyzers.
8656 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8657 compute_overlap_steps_for_affine_1_2,
8658 analyze_subscript_affine_affine): Count the classified dependences.
8659 Print a message when a test failed.
8660 (can_use_analyze_subscript_affine_affine): New.
8661 (analyze_siv_subscript): Compute the data dependences on symbolic
8662 scevs that verify can_use_analyze_subscript_affine_affine.
8663 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8664 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8665 Handle symbolic scevs.
8666 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8668 (subscript_dependence_tester): Moved...
8669 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8670 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8671 DDR_SIZE_VECT instead of getting it in parameter.
8672 (subscript_dependence_tester): ... here. Take as a parameter
8673 loop_nest_depth. Call build_classic_dist_vector and
8674 build_classic_dir_vector.
8675 (compute_affine_dependence): Update subscript_dependence_tester
8676 parameters. Update datadep_stats counters. Call
8677 compute_subscript_distance.
8678 (compute_self_dependence): Save the dist and dir vectors. Call
8679 compute_subscript_distance.
8680 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8681 (compute_all_dependences): Reorder parameters as they were before
8682 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8683 compute_subscript_distance. Update the use of
8684 compute_affine_dependence and initialize_data_dependence_relation.
8685 (find_data_references_in_loop): Handle COMPONENT_REF.
8686 (compute_data_dependences_for_loop): Initialize dependence_stats.
8687 Don't call build_classic_dist_vector and build_classic_dir_vector.
8688 Update the parameters of initialize_data_dependence_relation and
8689 compute_all_dependences. Print the statistics from datadep_stats.
8690 (analyze_all_data_dependences): Static. Not used until the pass for
8691 checking the data dependences is contributed.
8692 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8693 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8694 (initialize_data_dependence_relation, compute_affine_dependence,
8695 analyze_all_data_dependences, compute_subscript_distance): Removed.
8696 (print_direction_vector): New.
8697 * lambda.h (gcd): ... here.
8698 (lambda_vector_gcd): Moved here from gcd_vector.
8699 * lambda-code.c (gcd, gcd_vector): Removed.
8700 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8701 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8703 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8705 * ipa-type-escape.c: Tidy some comments and white space.
8706 * tree-ssa-operands.c: Likewise.
8708 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8711 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8712 (dump_decl_name): Do not walk the decl tree chains.
8713 * tree-pass.h (TDF_CHAIN): Remove.
8715 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8717 * Makefile.in (C): Remove
8719 (.PHONY): Remove C and PROTO
8721 2006-02-20 Roger Sayle <roger@eyesopen.com>
8724 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8725 deprecated CHAR_TYPE tree code.
8727 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8729 * configure.ac (target_list): Add install-info, dvi, html.
8730 * configure: Regenerate.
8732 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8733 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8734 treelang/Make-lang.in: Do not use double-colon rules.
8736 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8738 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8739 (TMT_USED_ALONE): New macro.
8740 * tree-pass.h (PROP_tmt_usage): New property.
8741 (TODO_update_tmt_usage): New todo.
8742 * tree-ssa-alias.c (updating_used_alone): New variable.
8743 (recalculate_used_alone): New function.
8744 (compute_may_aliases): Set updating_used_alone, call
8745 recalculate_used_alone.
8746 * tree-sra.c (pass_sra): Note that this pass destroys
8747 PROP_tmt_usage, and add TODO_update_tmt_usage.
8748 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8749 * tree-flow.h (updating_used_alone): Prototype.
8750 (recalculate_used_alone): Ditto.
8751 * passes.c (execute_todo): Add code to set updating_used_alone,
8752 and call recalculate.
8753 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8754 for clobber if used alone, and add assert to verify used_alone
8757 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8759 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8760 for non tls symbols added.
8761 (legitimize_address): Do nothing for PLUS expressions if one of the
8762 addends is a tls symbol reference.
8764 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8768 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8770 * Makefile.in (BOOTSTRAPPING): New.
8771 (quickstrap): New definition if BOOTSTRAPPING=yes.
8773 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8774 * configure.ac: Substitute all_selected_languages with the languages
8775 that were configured. For all the other variables except
8776 lang_specs_files, include all the languages in the tree.
8777 * configure: Regenerate.
8779 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8780 if there is one. Run the commands to run fixincludes in the same
8783 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8784 * doc/install.texi: Document exact conventions for searching target tools.
8785 Document --with-build-time-tools. Document toplevel bootstrap. Document
8786 something more about building an Ada cross-compiler. Don't list GNU Make
8787 requirements which affect all platforms.
8789 2006-02-19 Roger Sayle <roger@eyesopen.com>
8792 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8793 only equivalent if the have both the same mode and precision.
8795 2006-02-20 Ben Elliston <bje@au.ibm.com>
8797 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8799 2006-02-19 Roger Sayle <roger@eyesopen.com>
8800 Steven Bosscher <stevenb.gcc@gmail.com>
8802 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8803 constant pool references to identify stack mode constants.
8804 * rtlanal.c (constant_pool_constant_p): New predicate to check
8805 whether operand is a floating point constant in the pool.
8806 * rtl.h (constant_pool_constant_p): Prototype here.
8807 * loop.c (scan_loop): Avoid hoisting constants from the constant
8808 pool on STACK_REGS targets.
8809 (load_mems): Likewise.
8810 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8811 loads into x87 registers expensive in terms of register pressure.
8813 2006-02-19 Roger Sayle <roger@eyesopen.com>
8815 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8816 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8818 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8820 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8821 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8823 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8825 * doc/invoke.texi: Document -fipa-pta.
8826 * common.opt: Add ipa-pta option.
8827 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8828 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8829 (do_ds_constraint): Ditto.
8830 (get_constraint_for): Only add to referenced_vars if
8831 referenced_vars exists.
8832 (insert_into_field_list): Rewrite to do this unsorted.
8833 (insert_into_field_list_sorted): Rename old insert_into_field_list
8835 (create_function_info_for): Use insert_into_field_list_sorted.
8836 (create_variable_info_for): Rewrite so it uses unsorted version,
8837 since the field list is sorted.
8838 (intra_create_variable_infos): Only add to referenced_vars if
8839 referenced_vars exists.
8840 (ipa_pta_execute): Init heapvars, and delete when done.
8841 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8843 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8845 * doc/install.texi: Add missing `@samp'.
8847 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8849 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8852 2006-02-18 Mark Wielaard <mark@klomp.org>
8854 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8855 who added new 4.1 features, bug fixes and integration support.
8857 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8860 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8863 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8865 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8866 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8867 (copy_insn_1): Likewise. Don't copy each field individually.
8869 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8871 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8872 * rtl.c (rtx_size): Rename variable to...
8873 (rtx_code_size): ...this.
8874 (rtx_size): New function.
8875 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8876 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8878 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8879 * rtl.h (rtx_code_size): New variable.
8880 (rtx_size): Change from a variable to a function.
8881 (RTX_SIZE): Rename to...
8882 (RTX_CODE_SIZE): ...this.
8885 PR tree-optimization/17106
8886 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8887 (Anchored Addresses): New section.
8888 * doc/invoke.texi (-fsection-anchors): Document.
8889 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8890 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8891 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8892 * hooks.c (hook_bool_mode_rtx_false): New function.
8893 * hooks.h (hook_bool_mode_rtx_false): Declare.
8894 * gengtype.c (create_optional_field): New function.
8895 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8896 SYMBOL_REF_IN_BLOCK_P is true.
8897 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8898 (min_anchor_offset, max_anchor_offset): Likewise.
8899 (use_anchors_for_symbol_p): New hook.
8900 * toplev.c (compile_file): Call output_object_blocks.
8901 (target_supports_section_anchors_p): New function.
8902 (process_options): Check that -fsection-anchors is only used on
8903 targets that support it and when -funit-at-a-time is in effect.
8904 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8905 if the decl doesn't have one.
8906 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8907 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8908 of force_const_mem through use_anchored_address.
8909 (expand_expr_constant): New function.
8910 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8911 calling expand_expr for INDIRECT_REF.
8912 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8913 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8914 * expr.h (use_anchored_address): Declare.
8915 * loop-unroll.c: Don't declare rtx vectors here.
8916 * explow.c: Include output.h.
8917 (validize_mem): Call use_anchored_address.
8918 (use_anchored_address): New function.
8919 * common.opt (-fsection-anchors): New switch.
8920 * varasm.c (object_block_htab, anchor_labelno): New variables.
8921 (hash_section, object_block_entry_eq, object_block_entry_hash)
8922 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8923 (use_blocks_for_decl_p, change_symbol_section): New functions.
8924 (get_variable_section): New function, split out from assemble_variable.
8925 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8926 use_blocks_for_decl_p say so. Use change_symbol_section if the
8927 symbol has already been created.
8928 (assemble_variable_contents): New function, split out from...
8929 (assemble_variable): ...here. Don't output any code for
8930 block symbols; just pass them to place_block_symbol.
8931 Use get_variable_section and assemble_variable_contents.
8932 (get_constant_alignment, get_constant_section, get_constant_size): New
8933 functions, split from output_constant_def_contents.
8934 (build_constant_desc): Create a block symbol if use_object_blocks_p
8935 says so. Or into SYMBOL_REF_FLAGS.
8936 (assemble_constant_contents): New function, split from...
8937 (output_constant_def_contents): ...here. Don't output any code
8938 for block symbols; just pass them to place_section_symbol.
8939 Use get_constant_section and get_constant_alignment.
8940 (force_const_mem): Create a block symbol if use_object_blocks_p and
8941 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8942 (output_constant_pool_1): Add an explicit alignment argument.
8943 Don't switch sections here.
8944 (output_constant_pool): Adjust call to output_constant_pool_1.
8945 Switch sections here instead. Don't output anything for block symbols;
8946 just pass them to place_block_symbol.
8947 (init_varasm_once): Initialize object_block_htab.
8948 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8949 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8950 (place_block_symbol, get_section_anchor, output_object_block)
8951 (output_object_block_htab, output_object_blocks): New functions.
8952 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8953 (TARGET_ASM_OUT): Include it.
8954 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8955 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8956 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8957 (TARGET_INITIALIZER): Include them.
8958 * rtl.c (rtl_check_failed_block_symbol): New function.
8959 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8960 (block_symbol, object_block): New structures.
8961 (rtx_def): Add a block_symbol field to the union.
8962 (BLOCK_SYMBOL_CHECK): New macro.
8963 (rtl_check_failed_block_symbol): Declare.
8964 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8965 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8966 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8967 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8968 * output.h (output_section_symbols): Declare.
8969 (object_block): Name structure.
8970 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8971 (default_use_anchors_for_symbol_p): Declare.
8972 * Makefile.in (RTL_BASE_H): Add vec.h.
8973 (explow.o): Depend on output.h.
8974 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8975 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8976 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8977 (rs6000_use_blocks_for_constant_p): New function.
8979 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8981 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8983 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8986 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8989 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8991 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8995 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8998 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8999 instead of DECL_REGISTER.
9001 2006-02-18 Olivier Hainque <hainque@adacore.com>
9004 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9006 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9009 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9010 * opth-gen.awk: Handle Var and InverseMask together.
9011 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9012 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9013 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9014 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9016 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9017 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9018 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9019 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9020 LINUX_DYNAMIC_LINKER): Define.
9021 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9022 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9024 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9025 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9026 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9027 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9028 (TARGET_C99_FUNCTIONS): Don't define.
9029 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9030 GLIBC_DYNAMIC_LINKER.
9031 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9032 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9033 GLIBC_DYNAMIC_LINKER64): Define.
9034 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9035 LINUX_DYNAMIC_LINKER64.
9036 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9037 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9038 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9039 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9040 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9041 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9042 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9043 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9044 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9045 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9046 and LINUX_DYNAMIC_LINKER32.
9047 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9048 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9049 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9050 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9051 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9053 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9054 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9055 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9056 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9057 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9058 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9059 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9060 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9061 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9062 LINUX_DYNAMIC_LINKER): Define.
9063 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9064 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9065 GLIBC_DYNAMIC_LINKER64): Define.
9066 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9067 LINUX_DYNAMIC_LINKER64.
9068 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9069 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9070 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9071 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9072 LINUX_DYNAMIC_LINKER): Define.
9073 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9074 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9075 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9076 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9077 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9078 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9079 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9080 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9081 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9082 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9083 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9084 * doc/invoke.texi (-muclibc): Remove caveat about supported
9087 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9089 * doc/cpp.texi (__TIMESTAMP__): Document.
9091 2006-02-17 Roger Sayle <roger@eyesopen.com>
9094 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9095 C is one less than the width of X (and related transformations).
9096 * simplify-rtx.c (simplify_unary_operation_1): Transform
9097 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9098 depending on STORE_FLAG_VALUE, were C is one less then the
9101 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9103 Fix PR tree-optimization/26341
9104 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9105 about NAME_MEMORY_TAG's.
9107 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9110 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9111 with hardware float support, and software float support. Add fcpy
9112 alternative to hardware patterns. Add alternatives to copy between
9113 general and floating-point registers to the 32-bit pattern.
9114 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9115 secondary reload to load a QI or HI mode constant into a floating
9117 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9118 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9120 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9123 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9125 (load_macho_picbase_di): Likewise.
9127 2006-02-16 Jeff Law <law@redhat.com>
9129 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9130 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9131 (ssa_name_nonzero_p): Likewise.
9132 (get_value_range): Return NULL if VRP is not running.
9133 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9134 VRP routines do not discover a range.
9135 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9136 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9137 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9138 (tree_expr_nonnegative_p): Similarly.
9139 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9140 (restore_nonzero_vars_to_original_value): Remove.
9141 (unsafe_associative_fp_binop): Remove.
9142 (tree_ssa_dominator_optimize): Remove initialization and
9143 finalization of nonzero_vars and nonzero_vars_stack.
9144 (dom_opt_initialize_block): No longer push marker on
9146 (dom_opt_finalize_block): No longer call
9147 restore_nonzero_vars_to_original_value.
9148 (record_equivalences_from_phis): No longer look for
9149 nonzero PHI arguments.
9150 (cprop_into_successor_phis): No longer propagate nonzero
9151 property into PHI arguments. Lose unused argument. Caller
9153 (record_equivalences_from_stmt): No longer record nonzero
9154 values for SSA_NAMEs.
9155 (lookup_avail_expr): No longer use nonzero_vars.
9157 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9158 for sizetype when sizetype is unsigned.
9160 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9162 PR rtl-optimization/25603
9163 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9164 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9165 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9166 with new meaning of SETS.
9168 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9173 * config/linux.opt: New file.
9174 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9175 LINUX_DYNAMIC_LINKER): Define.
9176 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9177 * config.gcc (*-*-linux*): Define extra_options.
9178 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9179 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9180 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9181 GLIBC_DYNAMIC_LINKER.
9182 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9183 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9184 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9185 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9186 * doc/invoke.texi (GNU/Linux Options): New section.
9188 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9190 * config/sparc/sparc.md (setjmp): Rewrite.
9191 (setjmp_32): Delete.
9192 (setjmp_64): Likewise.
9194 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9196 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9199 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9201 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9204 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9206 PR rtl-optimization/26296
9207 * Makefile.in (loop-invariant.c): Add except.h dependency.
9208 * loop-invariant.c: Include except.h.
9209 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9211 2005-02-16 Paul Brook <paul@codesourcery.com>
9213 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9216 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9218 PR rtl-optimization/25636
9219 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9220 when deciding whether an insn is an initializing insn.
9222 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9224 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9225 (tree_code_size): Ditto.
9226 * tree.h (struct tree_memory_tag): Remove parent_var.
9227 (struct tree_struct_field_tag): New.
9230 (union tree_node): Add sft member.
9231 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9233 (create_sft): Add size and offset argument, set SFT_OFFSET and
9235 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9236 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9237 * tree-flow-inline.h (get_subvar_at): Update for
9238 SFT_OFFSET/SFT_SIZE.
9239 (var_can_have_subvars): Ditto.
9240 (overlap_subvar): Ditto.
9241 * print-tree.c (print_node): Print out interesting things for
9243 * tree-flow.h (struct subvar): Remove offset and size members.
9244 * tree-ssa-operands.c (get_expr_operands): Update for
9245 get_indirect_ref_operands changes.
9246 (get_indirect_ref_operands): Call add_virtual_operand instead of
9247 add_stmt_operand. Only recurse on base var if requested.
9248 (access_can_touch_variable): New function.
9249 (add_stmt_operand): Split virtual operand handling into ...
9250 (add_virtual_operand): Here. Add offset, size, and for_clobber
9251 arguments. Prune alias sets.
9252 (add_call_clobber_ops): Call add_virtual_operand.
9254 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9257 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9259 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9260 than TREE_CODE as index into omp_clause_num_ops array.
9262 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9264 PR rtl-optimization/26184
9265 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9267 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9268 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9269 must_precede, must_follow and tobe_scheduled.
9272 * opts.c (common_handle_option): Free new_option pointer.
9273 * df-core.c (df_analyze): Free postorder pointer.
9275 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9277 * Makefile.in: Fix the examples about the use of stamps
9279 2006-02-15 Michael Matz <matz@suse.de>
9283 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9284 influenced by maximum_field_alignment or DECL_PACKED.
9285 (update_alignment_for_field): Ditto.
9286 (place_field): Ditto.
9287 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9290 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9292 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9293 (debug_flow_info): Pass it.
9294 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9295 * bb-reorder.c (reorder_basic_blocks): Likewise.
9296 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9297 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9298 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9299 * gcse.c (gcse_main, bypass_jumps): Likewise.
9300 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9301 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9302 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9303 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9304 * rtl.h (dump_flow_info): Adjust prototype.
9305 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9306 * var-tracking.c (variable_tracking_main): Likewise.
9307 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9308 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9311 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9313 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9316 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9318 PR tree-optimization/26209
9319 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9320 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9322 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9324 2006-02-14 Roger Sayle <roger@eyesopen.com>
9327 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9328 (X,Y) and the corresponding symmetry related transformations.
9329 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9330 (X,Y) and its symmetry related transformations.
9332 2006-02-14 Roger Sayle <roger@eyesopen.com>
9334 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9337 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9339 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9341 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9344 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9345 support COMDAT group.
9346 * configure: Regenerate.
9348 2006-02-14 Roger Sayle <roger@eyesopen.com>
9353 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9355 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9357 Fix PR tree-optimization/26260
9359 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9361 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9362 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9363 * tree-ssa-structalias.c (create_variable_info_for): Use
9364 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9366 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9368 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9370 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9371 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9372 of the ending condition.
9373 * tree-ssa-loop-manip.c: Include params.h.
9374 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9375 tree_unroll_loop): New functions.
9376 * tree-pass.h (pass_loop_prefetch): Declare.
9377 * loop.c (rest_of_handle_loop_optimize): Test for
9378 -fprefetch-loop-arrays-rtl.
9379 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9380 * timevar.def (TV_TREE_PREFETCH): New timevar.
9381 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9382 pass_loop_prefetch): New.
9383 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9384 (cleanup_tree_cfg_loop): Call scev_reset.
9385 * common.opt (fprefetch-loop-arrays-rtl): Add.
9386 * tree-ssa-loop-prefetch.c: New file.
9387 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9388 (new_temp_expr_table): Initialize expr_vars.
9389 (free_temp_expr_table): Cleanup expr_vars.
9390 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9391 expressions from being merged into one.
9392 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9393 (struct tree_niter_desc): Add control, bound and cmp fields.
9394 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9396 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9397 (tree-cfgcleanup.o): Add SCEV_H dependency.
9398 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9399 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9401 2006-02-14 Richard Guenther <rguenther@suse.de>
9403 PR tree-optimization/26258
9404 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9405 in PHI argument processing.
9407 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9409 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9410 new expression in the requested machine mode.
9412 2006-02-13 Roger Sayle <roger@eyesopen.com>
9414 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9415 directly, instead let do_compare_rtx_and_jump handle this for us.
9416 * expr.c (expand_expr_real_1): Likewise.
9417 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9418 before do_jump_by_parts_greater.
9419 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9420 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9422 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9424 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9426 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9428 PR rtl-optimization/26235
9429 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9430 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9433 2006-02-13 Jeff Law <law@redhat.com>
9435 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9438 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9441 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9442 twice if decl is a builtin. When trying again, call get_callee_fndecl
9443 first to verify it is still a builtin.
9445 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9447 * dwarf2out.c (base_type_die): Don't add AT_name here.
9448 (subrange_type_die): Don't add AT_name here.
9449 (modified_type_die): Rearrange code flow. Do add AT_name here.
9451 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9453 PR rtl-optimization/26247
9454 PR rtl-optimization/26248
9455 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9457 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9459 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9460 * config/fixtfdi.c: Likewise.
9461 * config/fixunstfdi.c: Likewise.
9462 * config/floatditf.c: Likewise.
9464 2006-02-13 Roger Sayle <roger@eyesopen.com>
9467 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9468 into (X,C2) if C1 is a subset of the bits of C2. Transform
9469 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9471 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9473 2006-02-13 Josh Conner <jconner@apple.com>
9476 * varasm.c (function_section): Check for section name before
9477 calling select_section on targets that define
9478 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9479 unlikely_text_section instead of hot_function_section if
9480 first_function_block_is_cold.
9482 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9485 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9487 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9489 PR rtl-optimization/26222
9490 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9491 after tree->rtl expansion.
9492 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9493 before passing it to emit_move_insn.
9495 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9497 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9499 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9500 Clarify documentation.
9501 * c-common.h (warn_write_strings): Remove.
9502 * c-common.c (warn_write_strings): Likewise.
9503 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9506 2006-02-12 Roger Sayle <roger@eyesopen.com>
9509 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9510 (do_jump_parts_zero_rtx): New function renamed from
9511 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9512 (do_jump_parts_equality_rtx): New function split out from
9513 do_jump_parts_equality. Old implementation renamed as above.
9514 Call do_jump_parts_zero_rtx if either operand is zero.
9515 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9516 do all of the heavy lifting.
9517 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9518 calling either do_jump_by_parts_greater_rtx or
9519 do_jump_by_parts_equality_rtx.
9520 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9521 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9522 moved to do_compare_rtx_and_jump, call it directly.
9523 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9524 mode argument. Call do_compare_rtx_and_jump.
9525 (emit_case_nodes): Update calls to do_jump_if_equal.
9527 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9529 PR rtl-optimization/26225
9530 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9532 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9534 PR rtl-optimization/26232
9535 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9537 2006-02-11 Jason Merrill <jason@redhat.com>
9540 * tree-inline.c (declare_return_variable): Just don't use the
9541 modify target if it's a gimple complex reg and the return slot
9544 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9546 * doc/contrib.texi: Update my entry.
9548 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9550 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9552 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9554 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9557 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9559 * doc/invoke.texi (-floop-optimize2): Removed.
9560 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9561 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9562 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9563 * common.opt (floop-optimize2): Removed.
9564 (fmove-loop-invariants): Enabled by default.
9566 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9568 * tree-if-conv.c (combine_blocks): Free the result of
9569 get_loop_exit_edges.
9571 2006-02-10 Jeff Law <law@redhat.com>
9573 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9575 PR tree-optimization/26213
9576 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9577 loop trying to follow SSA_NAME_VALUE chains.
9579 2006-02-10 Richard Guenther <rguenther@suse.de>
9581 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9582 deal with structures that end in implicitly variable sized arrays.
9584 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9586 PR rtl-optimization/24762
9587 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9590 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9592 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9593 (struct ivopts_data): Add regs_used field.
9594 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9595 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9596 instead of loop_data->regs_used;
9597 (free_loop_data): Do not free aux fields for loops.
9598 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9599 and tree_ssa_iv_optimize_finalize.
9601 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9603 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9605 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9608 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9609 computing the effective result type.
9611 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9614 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9615 (tree_overlaps_hard_reg_set): Declare.
9616 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9617 type and signature to match function type expected by walk_tree.
9618 (tree_overlaps_hard_reg_set): New function.
9619 (decl_conflicts_with_clobbers_p): Rename to:
9620 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9621 Use tree_overlaps_hard_reg_set. Changed caller.
9622 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9623 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9624 * cris.c (cris_md_asm_clobbers): Likewise.
9626 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9628 * reload1.c (emit_input_reload_insns): Delete code that tries to
9629 inherit using find_equiv_reg.
9631 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9633 * c-common.h (flag_const_strings): Don't declare.
9634 * c-common.c (flag_const_strings): Remove.
9635 * c.opt (fconst_strings): Remove.
9636 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9637 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9638 (c_common_init_options): Don't set flag_const_strings.
9639 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9641 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9643 * arm.md (tlobits_cbranch): New pattern.
9644 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9645 testing a single bit.
9647 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9650 * tree-ssa-pre.c (create_component_ref_by_pieces):
9651 Handle RETURN_DECL like VAR_DECL.
9653 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9656 * fold-const.c (fold_indirect_ref_1): Fold
9657 "*(foo *)&complexfoo" to "__real__ complexfoo"
9658 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9660 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9662 * tree-flow-inline.h (var_can_have_subvars):
9663 Volatile variables should not have subvariables.
9665 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9668 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9669 multiplying unsigned values.
9672 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9674 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9676 2006-02-08 Jason Merrill <jason@redhat.com>
9679 * tree.def: Elaborate on difference from MODIFY_EXPR.
9680 * doc/c-tree.texi (INIT_EXPR): Likewise.
9681 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9682 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9683 (gimplify_target_expr): Likewise.
9684 (gimplify_cond_expr): Remove target handling.
9685 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9686 (gimplify_expr): Clobber it here.
9687 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9688 Do return slot optimization if we have an INIT_EXPR.
9691 * tree-inline.c (declare_return_variable): Also clear
9692 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9695 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9698 * gimplify.c (gimplify_one_sizepos): Fix typo.
9700 2006-02-08 Jeff Law <law@redhat.com>
9702 PR tree-optimization/21417
9703 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9704 across a backedge if the control statement at the end of the
9705 block is data dependent on other statements in the same block.
9706 (record_temporary_equivalences_from_stmts): Remove over-conservative
9707 test for threading across backedges.
9709 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9710 control statement, handle all three special cases in the same
9711 manner as they all have the same desired solution. No longer
9712 special case edge flag updating when the post dominator is
9715 2006-02-08 Roger Sayle <roger@eyesopen.com>
9717 * tree.def (CHAR_TYPE): Remove.
9718 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9719 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9720 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9721 (gen_string_type_die): Delete unreachable function.
9723 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9724 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9725 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9726 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9727 * builtins.c (type_to_class): Likewise.
9728 * fold-const.c (fold_convert, build_range_check,
9729 merge_ranges): Likewise.
9730 * expr.c (count_type_elements): Likewise.
9731 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9732 * stor-layout.c (layout_type): Likewise.
9733 * ipa-type-escape.c (type_to_consider): Likewise.
9734 * gimplify.c (omp_firstprivatize_type_sizes,
9735 gimplify_type_sizes): Likewise.
9736 * explow.c (promote_mode): Likewise.
9737 * tree-sra.c (is_sra_scalar_type): Likewise.
9738 * varasm.c (output_constant): Likewise.
9739 * tree-inline.c (remap_type_1): Likewise.
9740 * convert.c (convert_to_pointer, convert_to_real,
9741 convert_to_integer, convert_to_complex): Likewise.
9743 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9745 * df-scan.c (df_def_record_1): A set destination may
9746 be a parallel regardless of mode.
9748 2006-02-08 Roger Sayle <roger@eyesopen.com>
9751 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9752 * config/mips/_tilib.c: Remove.
9753 * config/fixtfdi.c: New libgcc source file.
9754 * config/fixunstfdi.c: New source file.
9755 * config/floatditf.c: New source file.
9756 * config/floatunditf.c: New souce file.
9757 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9758 files above instead of config/mips/_tilib.c.
9759 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9761 2006-02-08 Jeff Law <law@redhat.com>
9763 PR tree-optimization/26169
9764 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9767 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9769 * df.h (DF_REG_SIZE): Return the length of the initialized
9772 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9774 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9775 __muldf3): Return a correctly signed zero.
9777 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9779 * passes.c (register_one_dump_file): Accept the current properties
9780 instead of pass number. Adjust call to dump_register. Remove
9782 (register_dump_files): Now a wrapper around...
9783 (register_dump_files_1): ... this one. Do not modify the pass
9785 (next_pass_1): Cosmetic fix.
9786 (execute_todo): Keep second parameter only. Use curr_properties
9787 instead of fetching it from the pass structure. Check and set
9789 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9790 instead of fetching it from the pass structure. Fix calls to
9791 execute_todo. Update curr_properties and initialize .vcg RTL dump
9792 after running the pass. Reset last_verified.
9793 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9795 (FIRST_AUTO_NUMBERED_DUMP): New.
9796 (dump_register): Remove "num" parameter, assign it within the
9798 (get_dump_file_name): Modify template for dumps.
9799 * tree-dump.h (dump_register): Adjust prototype.
9800 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9801 (PROP_trees): Add PROP_gimple_lomp.
9802 (TODO_set_props): New.
9803 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9804 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9805 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9807 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9809 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9810 (sparc64-*-linux*): Likewise.
9811 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9812 * config/sparc/t-linux: New file.
9813 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9814 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9815 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9816 -m32 -mlong-double-128.
9818 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9819 * config/alpha/t-linux: New file.
9820 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9822 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9823 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9824 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9825 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9826 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9827 (CPP_ARCH32_SPEC): Remove.
9829 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9831 PR tree-optimization/26145
9832 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9835 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9838 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9839 >= 240000 when generating code for SOM runtime.
9840 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9841 to $$dyncall when generating code for SOM runtime..
9843 2006-02-07 Dirk Mueller <dmueller@suse.com>
9846 * doc/invoke.texi (-Wsequence-point): Update documentation
9847 that -Wsequence-point is implemented for C++ as well.
9849 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9851 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9852 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9853 (LIB_SPEC): Likewise.
9854 * doc/invoke.texi (SPARC options): Document -pthread.
9856 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9858 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9861 2006-02-07 Roger Sayle <roger@eyesopen.com>
9863 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9864 Correct comment describing BOOLEAN_TYPE.
9866 2006-02-07 Dirk Mueller <dmueller@suse.com>
9868 * c.opt: C++ frontend supports -Wdiv-by-zero.
9869 * c-opts.c (c_common_handle_option): Remove dead case.
9871 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9873 * configure.ac (TLS assembler check): Do not enable TLS by
9874 default on SPARC/Solaris before version 10.
9875 * configure: Regenerate.
9877 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9879 * doc/invoke.texi (xl-compat): Document conversion and support
9882 2006-02-07 Jeff Law <law@redhat.com>
9884 * tree-vrp.c (find_conditional_asserts): Update comments.
9885 (simplify_stmt_for_jump_threading): New.
9886 (identify_jump_threads, finalize_jump_threads): New.
9887 (vrp_finalize): Call identify_jump_threads.
9888 (execute_vrp): Call finalize_jump_threads.
9889 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9890 (vrp_element, vrp_data, vrp_element_p): Remove.
9891 (vrp_hash_elt, vrp_variables_stack): Remove.
9892 (vrp_hash, vrp_eq, record_range): Remove.
9893 (simplify_cond_and_lookup_avail_expr): Remove.
9894 (extract_range_from_cond): Remove.
9895 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9896 (simplify_stmt_for_jump_threading): New.
9897 (dom_thread_across_edge): New wrapper.
9898 (tree_ssa_dominator_optimize): No longer initialize or
9899 finalize any of the VRP datastructures. Remove iteration
9900 step and simplify as a result of removal of iteration step.
9901 (pass_dominator): Perform a cfg cleanup after DOM.
9902 (dom_opt_finalize_block): Use the new common routines
9903 for threading jumps. Simplify stack management slightly.
9904 No longer need to unwind VRP state.
9905 (record_equivalences_from_incoming_edge): No longer record
9907 (eliminate_redundant_computations): No longer call
9908 simplify_cond_and_lookup_avail_expr.
9909 * tree-flow.h (potentially_threadable_block): Prototype.
9910 (thread_across_edge): Likewise.
9911 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9912 (tree-ssa-threadedge.o): Add dependencies.
9913 * tree-ssa-threadedge.c: New file.
9914 * passes.c (init_optimization_passes): Merge PHIs before
9915 calling VRP. Run VRP again late in the SSA optimization pipeline.
9917 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9919 * df-core.c (df_set_blocks): Do not dereference function pointers.
9920 (df_finish1): Likewise.
9921 (df_hybrid_search_forward): Likewise.
9922 (df_hybrid_search_backward): Likewise.
9923 (df_iterative_dataflow): Likewise.
9924 (df_analyze_problem): Likewise.
9925 (df_compact_blocks): Likewise.
9926 (df_dump): Likewise.
9927 * df-scan.c (df_rescan_blocks): Likewise.
9928 (df_record_entry_block_defs): Likewise.
9930 * genconditions.c (write_conditions): Guard the definition of
9931 'insn_conditions' with the check on GCC version.
9932 (write_writer): Guard the traversal 'insn_conditions' with
9933 the check on GCC version.
9935 2006-02-07 Richard Guenther <rguenther@suse.de>
9939 2006-01-30 Richard Guenther <rguenther@suse.de>
9941 * gimplify.c (gimplify_target_expr): Handle easy cases
9942 without creating a temporary.
9944 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9946 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9947 use of float in probability computations. Use edge probabilities
9948 in place of statically computed probabilities.
9949 (min_spec_prob): New static variable.
9950 (schedule_insns): Initialize it.
9951 (GET_SRC_PROB): Removed.
9952 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9954 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9957 * config/ia64/unwind-ia64.c: Revert last change.
9958 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9959 (INCOMING_FRAME_SP_OFFSET): Define.
9961 2006-02-06 Roger Sayle <roger@eyesopen.com>
9963 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9965 2006-02-07 Ben Elliston <bje@au.ibm.com>
9967 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9968 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9969 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9970 (ix86_return_in_memory): Handle TDmode.
9971 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9972 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9974 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9976 * reorg.c (dbr_schedule): Use dump_file instead of file.
9978 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9981 * config/ia64/predicates.md (extr_len_operand): New predicate.
9982 * config/ia64/ia64.md (extv): Tighten constraints.
9984 (*tbit_and_2): Ditto.
9985 (*tbit_and_3): Ditto.
9986 (*tbit_or_2): Ditto.
9987 (*tbit_or_3): Ditto.
9991 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9994 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9996 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9998 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9999 loop_optimizer_init and loop_optimizer_finalize
10000 * tree-ssa-sink.c (execute_sink_code): Ditto.
10001 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10002 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10003 tree_ssa_loop_done): Ditto.
10004 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10005 * sched-ebb.c: Include output.h.
10006 (schedule_ebbs): Do not use dump argument.
10007 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10008 * loop.c (loop_dump_stream): Removed.
10009 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10011 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10012 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10013 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10014 loop_iterations, strength_reduce, record_biv, record_giv,
10015 final_giv_value, check_final_value, check_ext_dependent_givs,
10016 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10017 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10018 dump_file instead of loop_dump_stream.
10019 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10020 argument dump_file.
10021 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10023 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10024 * haifa-sched.c: Include output.h
10025 (schedule_insns, sched_init): Do not use dump argument.
10026 * mode-switching.c (optimize_mode_switching): Ditto.
10027 * modulo-sched.c (stats_file): Removed.
10028 (print_node_sched_params): Do not call argument dump_file.
10029 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10030 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10032 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10034 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10035 rtl_loop_init, rtl_loop_done): Ditto.
10036 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10037 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10039 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10040 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10041 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10042 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10043 * emit-rtl.c (renumber_insns): Ditto.
10044 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10045 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10046 * regclass.c (regclass): Ditto.
10047 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10048 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10049 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10050 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10052 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10053 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10055 * gcse.c (gcse_file, debug_stderr): Removed.
10056 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10057 rest_of_handle_gcse): Do not use dump argument.
10058 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10059 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10060 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10061 compute_code_hoist_vbeinout, compute_code_hoist_data,
10062 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10063 compute_store_table, build_store_vectors, insert_insn_start_bb,
10064 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10065 store_motion): Use dump_file instead of gcse_file.
10066 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10067 * profile.c (profile_dump_file): Removed.
10068 (branch_prob): Use dump_file instead of profile_dump_file.
10069 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10071 * tree-ssa-copy.c (dump_copy_of): Ditto.
10072 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10073 dump file to life_analysis.
10074 * bt-load.c (branch_target_load_optimize): Ditto.
10075 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10077 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10078 regclass, dbr_schedule): Declaration changed.
10079 * sched-int.h (sched_init): Declaration changed.
10080 * tree-profile.c (tree_profile_dump_file): Removed.
10081 (tree_profile_hooks): Removed profile_dump_file hook.
10082 * rtl-profile (rtl_profile_dump_file): Removed.
10083 (rtl_profile_hooks): emoved profile_dump_file hook.
10084 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10086 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10087 * tree-cfg.c (build_tree_cfg): Ditto.
10088 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10089 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10090 Declaration changed.
10091 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10092 life_analysis and schedule_insns.
10093 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10095 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10097 * config/mips/mips.c (mips_reorg): Ditto.
10098 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10101 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10103 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10104 (s390_mangle_fundamental_type): New.
10105 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10108 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10109 (alpha_mangle_fundamental_type): New.
10110 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10113 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10115 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10117 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10118 (sparc_mangle_fundamental_type): New.
10120 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10122 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10123 (s390x-*-linux*): Likewise.
10124 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10125 * config/s390/t-linux: New file.
10127 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10129 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10130 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10132 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10134 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10135 (ANTIC_SAFE_LOADS): New macro.
10136 (find_or_generate_expression): Add prototype.
10137 (set_contains_value): Allow null set for sake of not always having
10138 to allocate ANTIC_SAFE_LOADS.
10139 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10140 Allow COMPONENT_REF too.
10141 (valid_in_set): Allow COMPONENT_REF.
10142 Check ANTIC_SAFE_LOADS too.
10143 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10144 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10146 (can_PRE_operation): Add COMPONENT_REF.
10147 (create_component_ref_by_pieces): New function.
10148 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10149 (insert_aux): Move AGGREGATE_TYPE_P check here.
10150 (compute_avail): Set bb local stmt uids.
10151 (pass_pre): Use TODO_update_ssa_only_virtuals.
10153 2006-02-06 Ben Elliston <bje@au.ibm.com>
10155 * configure.ac: Unconditionally disable decimal float by default.
10156 * configure: Regenerate.
10158 2006-02-06 Ben Elliston <bje@au.ibm.com>
10160 * read-rtl.c (read_name): Terminate reading on EOF.
10162 2006-02-06 Ben Elliston <bje@au.ibm.com>
10164 * dfp.c (decimal_real_arithmetic): Change second argument type
10165 from int to enum tree_code. Do not always return true, but now
10166 return result of any call to decimal_do helper functions.
10167 * dfp.h (decimal_real_arithmetic): Update prototype.
10169 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10171 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10173 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10176 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10179 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10181 * tree-vrp.c (cfg_loops): Removed.
10182 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10183 Use current_loops instead of cfg_loops. Pass flags to
10184 loop_optimizer_init.
10185 * cfgloopmanip.c (fix_loop_structure): Update only available
10187 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10188 loop_optimizer_init.
10189 * modulo-sched.c (build_loops_structure): Removed.
10190 (sms_schedule): Use loop_optimizer_init.
10191 * loop-init.c (loop_optimizer_init): Use flags to determine
10192 which properties of loops to prepare.
10193 (rtl_loop_init): Pass flags to loop_optimizer_init.
10194 * tree-ssa-sink.c (execute_sink_code): Ditto.
10195 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10196 * tree-ssa-pre.c (init_pre): Ditto.
10197 * cfgloop.h (LOOPS_NORMAL): New.
10198 (loop_optimizer_init): Declaration changed.
10200 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10202 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10203 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10205 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10207 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10209 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10210 * pa/t-pa64: Delete quadlib.c rule.
10211 * pa/x-ada: Revert last change.
10212 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10214 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10216 PR rtl-optimization/26087
10217 * rtlanal.c (canonicalize_condition): Do not cross basic block
10220 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10223 * config/ia64/ia64.c: Include debug.h.
10224 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10225 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10226 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10227 (process_epilogue, process_set, process_for_unwind_directive):
10228 Output unwind info only if requested. Add CFA info if requested.
10229 Add new arguments as needed. Adjust callers.
10230 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10232 (DWARF2_FRAME_INFO): Define to zero.
10233 * config/ia64/unwind-ia64.c: Remove code that compensated for
10234 the CFA offset error fixed above.
10235 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10236 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10237 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10238 -funwind-tables and -fexceptions to enable frame info.
10239 (dwarf2out_frame_init): Define initial CFA even if
10240 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10241 DWARF2_UNWIND_INFO is nonzero, not just defined.
10242 (dwarf2out_frame_finish): Output non-EH call frame info only
10243 if DWARF2_FRAME_INFO is nonzero.
10244 (convert_cfa_to_loc_list,
10245 compute_frame_pointer_to_cfa_displacement): Define even if
10246 unwind info is not supported.
10247 (gen_subprogram_die): Use the above unconditionally. Remove
10248 legacy alternate code.
10249 * toplev.c (compile_file): Compile in call to
10250 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10251 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10253 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10254 Jakub Jelinek <jakub@redhat.com>
10256 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10257 IBM extended float format long double as "g" on powerpc*-linux.
10259 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10262 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10263 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10265 2006-02-03 Jason Merrill <jason@redhat.com>
10268 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10270 PR middle-end/25977
10271 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10272 on the return slot if it's an NRV.
10274 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10276 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10277 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10278 rewrite_use): Do not handle USE_OUTER.
10279 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10280 add_iv_outer_candidates, may_replace_final_value,
10281 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10282 (find_interesting_uses_op): Functionality of
10283 find_interesting_uses_outer_or_nonlin moved here.
10284 (find_interesting_uses_outside): Use find_interesting_uses_op.
10286 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10289 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10291 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10292 Ulrich Weigand <uweigand@de.ibm.com>
10295 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10296 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10297 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10298 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10300 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10301 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10302 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10303 Define secondary reloads for TFmode moves.
10304 (constant_modes): Add TFmode.
10305 (NR_C_MODES): Set to 8.
10306 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10308 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10309 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10310 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10311 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10312 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10313 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10314 (FPR mode macro): Add TFmode.
10315 (DSF mode macro): New.
10316 (<de>, <dee> mode attributes): Removed.
10317 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10318 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10319 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10320 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10321 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10322 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10323 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10324 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10325 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10326 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10327 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10328 "*negabs<mode>2", "sqrt<mode>2"):
10329 Changed <de> to <xde>. R constraint replaced by <Rf>.
10330 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10332 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10333 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10334 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10336 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10337 "extenddftf2", "extendsftf2"): New expanders.
10338 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10339 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10340 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10341 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10343 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10344 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10345 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10346 __floatditf): Add a GCC_4.1.0 symbol version tag.
10347 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10350 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10353 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10354 Use targetm.binds_local_p instead of TREE_PUBLIC.
10356 2006-02-02 Roger Sayle <roger@eyesopen.com>
10358 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10359 on INTEGER_TYPEs to indicate that it denotes a character type.
10360 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10361 signed_char_type_node, unsigned_char_type_node and char_type_node.
10362 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10363 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10364 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10366 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10367 Daniel Berlin <dberlin@dberlin.org>
10369 * tree-tailcall.c (arg_needs_copy_p): New function.
10370 (eliminate_tail_call): Use arg_needs_copy_p.
10371 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10372 (add_virtual_phis): New function.
10374 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10376 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10377 #ignore instead of #scratch for %g7 .register directive.
10379 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10381 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10384 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10386 * flow.c (calculate_global_regs_live): Assert that there aren't any
10389 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10391 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10392 what its name says.
10393 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10394 bsi_after_labels iterator.
10395 * tree-if-conv.c (find_phi_replacement_condition,
10396 replace_phi_with_cond_modify_expr): Likewise.
10397 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10398 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10400 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10402 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10404 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10407 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10408 array after growing it.
10410 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10412 PR middle-end/24901
10413 * fold-const.c (fold_checksum_tree): Change type of buf.
10415 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10417 * reload.c (push_secondary_reload): Initialize t_icode.
10419 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10421 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10422 -msoft-float -mlong-double-128 only issue a warning, but don't
10423 swich to DFmode long double.
10425 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10427 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10428 has a constant equivalent, iterate over equivalents for arg0,
10429 calling simplify_relational_operation and if there's a result
10430 cheaper than X, apply fold_rtx and return the result.
10432 2006-02-01 Jan Hubicka <jh@suse.cz>
10434 * opts.c (no_unit_at_a_time_default): New global variable.
10435 (decode_options): Use it.
10436 * opts.h (no_unit_at_a_time_default): Declare.
10438 2006-02-01 Paul Brook <paul@codesourcery.com>
10440 * function.c (assign_parm_setup_reg): Use function argument promotion
10442 * expr.c (expand_expr_real_1): Use function argument promotion rules
10445 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10447 * gcc.c (process_command): Change j to 'unsigned int'.
10449 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10451 PR middle-end/26001
10452 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10453 Use the corrected index for the character
10454 out of the string constant.
10456 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10458 * mode-switching.c (optimize_mode_switching): Fix size
10459 allocated for bb_info[n_entities].
10461 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10463 * gcc.c (main): Correct type that is allocated for
10464 explicit_link_files.
10466 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10468 * config/s390/s390.c (init_alignment_context): Set
10469 ALIAS_SET_MEMORY_BARRIER on the MEM.
10470 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10472 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10474 PR middle-end/25933
10475 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10477 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10480 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10482 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10483 * regrename.c: Ditto.
10484 * tree-ssa-loop-im.c: Ditto.
10485 * tree-dump.c: Ditto.
10486 * tree-complex.c: Ditto.
10487 * genrecog.c: Ditto.
10488 * tree-ssa-threadupdate.c: Ditto.
10490 * java/class.c: Ditto.
10491 * java/jcf-parse.c: Ditto.
10492 * java/resource.c: Ditto.
10493 * java/except.c: Ditto.
10494 * java/jvspec.c: Ditto.
10495 * java/jcf-write.c: Ditto.
10496 * java/jcf-path.c: Ditto.
10497 * java/gjavah.c: Ditto.
10498 * java/zextract.c: Ditto.
10499 * java/jcf-io.c: Ditto.
10500 * java/jcf.h: Ditto.
10501 * java/buffer.c: Ditto.
10502 * java/lang.c: Ditto.
10503 * java/parse-scan.y: Ditto.
10504 * java/lex.c: Ditto.
10505 * java/lex.h: Ditto.
10506 * cfgloopmanip.c: Ditto.
10507 * postreload-gcse.c: Ditto.
10508 * tree-ssa-loop-manip.c: Ditto.
10509 * postreload.c: Ditto.
10510 * tree-ssa-loop-ch.c: Ditto.
10513 * cppspec.c: Ditto.
10514 * diagnostic.c: Ditto.
10516 * genoutput.c: Ditto.
10518 * cfghooks.c: Ditto.
10519 * cfgloopanal.c: Ditto.
10520 * objc/objc-act.c: Ditto.
10522 * genextract.c: Ditto.
10523 * genautomata.c: Ditto.
10524 * pretty-print.c: Ditto.
10525 * genemit.c: Ditto.
10526 * cgraphunit.c: Ditto.
10528 * df-scan.c: Ditto.
10529 * haifa-sched.c: Ditto.
10530 * dominance.c: Ditto.
10532 * tree-ssa-loop-ivopts.c: Ditto.
10533 * df-core.c: Ditto.
10534 * mode-switching.c: Ditto.
10535 * modulo-sched.c: Ditto.
10537 * ipa-pure-const.c: Ditto.
10539 * fix-header.c: Ditto.
10541 * tree-stdarg.c: Ditto.
10542 * ipa-utils.c: Ditto.
10543 * loop-init.c: Ditto.
10544 * ipa-inline.c: Ditto.
10545 * cfganal.c: Ditto.
10547 * alloc-pool.c: Ditto.
10548 * dwarf2out.c: Ditto.
10550 * genattrtab.c: Ditto.
10551 * tree-ssa-loop-ivcanon.c: Ditto.
10552 * predict.c: Ditto.
10553 * timevar.c: Ditto.
10555 * fortran/gfortranspec.c: Ditto.
10556 * regmove.c: Ditto.
10557 * local-alloc.c: Ditto.
10558 * langhooks.c: Ditto.
10559 * function.c: Ditto.
10560 * tree-vectorizer.c: Ditto.
10562 * ipa-type-escape.c: Ditto.
10564 * tree-if-conv.c: Ditto.
10565 * profile.c: Ditto.
10567 * tree-data-ref.c: Ditto.
10568 * loop-unroll.c: Ditto.
10569 * treelang/treetree.c: Ditto.
10571 * bt-load.c: Ditto.
10572 * ggc-common.c: Ditto.
10574 * coverage.c: Ditto.
10576 * tree-cfgcleanup.c: Ditto.
10577 * tree-ssa-pre.c: Ditto.
10578 * cfgcleanup.c: Ditto.
10579 * loop-invariant.c: Ditto.
10580 * loop-iv.c: Ditto.
10581 * ipa-prop.c: Ditto.
10582 * print-tree.c: Ditto.
10583 * conflict.c: Ditto.
10584 * ggc-page.c: Ditto.
10585 * sched-deps.c: Ditto.
10586 * regclass.c: Ditto.
10587 * tree-object-size.c: Ditto.
10588 * combine.c: Ditto.
10589 * bb-reorder.c: Ditto.
10590 * resource.c: Ditto.
10591 * var-tracking.c: Ditto.
10592 * cfgloop.c: Ditto.
10593 * df-problems.c: Ditto.
10594 * reg-stack.c: Ditto.
10596 * gccspec.c: Ditto.
10597 * sched-rgn.c: Ditto.
10598 * tree-ssa-structalias.c: Ditto.
10599 * tree-ssa-reassoc.c: Ditto.
10600 * config/darwin-c.c: Ditto.
10601 * config/darwin.c: Ditto.
10602 * config/arm/arm.c: Ditto.
10604 * collect2.c: Ditto.
10605 * reload1.c: Ditto.
10607 2006-01-31 Nicolas Pitre <nico@cam.org>
10609 * arm.md (smaxsi3): Make aware of smax_m1.
10612 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10614 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10616 2006-01-31 Richard Guenther <rguenther@suse.de>
10618 * doc/invoke.texi (-msselibm): Document.
10619 * target.h (expand_library_builtin): New target hook.
10620 * builtins.c (expand_builtin): Use expand_library_builtin.
10621 (default_expand_library_builtin): New function.
10622 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10623 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10624 (link_gcc_math_spec): Declare.
10625 (static_specs): Add link_gcc_math_spec.
10626 * expr.h (default_expand_library_builtin): Declare.
10627 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10628 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10629 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10630 * config/i386/i386.opt (msselibm): New target option.
10631 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10632 (ix86_init_sse_abi_builtins): New function.
10633 (ix86_expand_library_builtin): Likewise.
10634 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10635 (override_options): Handle error conditions wrt -msselibm.
10636 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10637 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10638 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10641 2006-01-31 Richard Guenther <rguenther@suse.de>
10642 Paolo Bonzini <bonzini@gnu.org>
10644 * doc/install.texi (--disable-libgcc-math): Document.
10646 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10648 * expr.h (expand_normal): new inline function.
10649 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10650 * dojump.c: use it.
10651 * dwarf2out.c: use it.
10654 * expmed.c: use it.
10655 * except.c: use it.
10656 * config/sparc/sparc.c: use it.
10657 * config/i386/i386.c: use it.
10658 * config/rs6000/rs6000.c: use it.
10659 * config/arm/arm.c: use it.
10660 * config/mips/mips.c: use it.
10661 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10663 2006-01-30 Roger Sayle <roger@eyesopen.com>
10665 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10666 argv to the appropriate type.
10668 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10670 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10673 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10676 * config/s390/s390.c (struct machine_function): New flag
10677 decomposed_literal_pool_addresses_ok_p.
10678 (s390_reorg): Set it before final stage of literal pool transforms.
10679 (s390_decompose_address): Only accept displacements of the form
10680 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10682 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10684 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10685 the comparison routine return.
10687 2006-01-30 Michael Matz <matz@suse.de>
10689 * global.c (find_reg): Only evict for global regs.
10690 Take n_refs into account and dump more info.
10692 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10695 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10696 (pragma_trap, pragma_nosave_low_regs): Likewise.
10697 (current_function_anonymous_args): Likewise.
10698 (sh_deferred_function_attributes): New variable.
10699 (sh_deferred_function_attributes_tail): Likewise.
10700 (print_operand): For '@', look up trap_exit attribute.
10701 (calc_live_regs): Look up trapa_handler attribute. For trapa
10702 handlers, save/restore fpscr, but don't do any other
10703 interrupt-specific saves.
10704 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10705 Fix check for partially saved registers to check for SHmedia.
10706 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10707 (sh_output_function_epilogue): Don't clear any of the removed
10709 (sh_insert_attributes): Don't check pragma_interrupt.
10710 Insert deferred attributes. Check that interrupt attribute is
10711 present for other attributes that require its presence.
10712 (sh_attribute_table): Add new attributes trapa_handler and
10714 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10715 Don't check for pragma_interrupt. Don't store argument.
10716 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10717 (sh_deferred_function_attributes): Declare.
10718 (sh_deferred_function_attributes_tail): Likewise.
10719 * sh.md (sp_switch_1): Add operand. Change generator caller.
10720 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10721 (*return_i): Don't use when trap_exit attribute is in effect.
10722 (*return_trapa): New insn pattern.
10723 * sh-c.c: New file.
10724 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10725 setting c_target_objs and cxx_target_objs.
10726 * t-sh: Add rule for sh-c.o.
10728 2006-01-30 Richard Guenther <rguenther@suse.de>
10731 * gimplify.c (gimplify_target_expr): Handle easy cases
10732 without creating a temporary.
10734 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10736 * vec.h (safe_grow): Remove duplicated line.
10738 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10741 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10742 (expand_omp): ... here.
10743 (expand_omp_parallel): Only remove barriers for combined
10744 parallel+workshare constructs.
10746 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10750 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10751 * tree.c (build_qualified_type): Chain the new type to the original
10752 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10753 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10754 (build_pointer_type_for_mode): Only return unqualified types.
10755 (build_reference_type_for_mode): Likewise.
10757 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10759 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10760 * Makefile.in (CXX_COMPAT_WARN): Define.
10761 * configure: Regenerate.
10763 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10766 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10769 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10771 * toplev.c: Fix thinko.
10773 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10774 Marcin Dalecki <martin@dalecki.de>
10776 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10777 (push_srcloc): Use XNEW.
10778 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10780 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10782 * df-core.c (df_set_blocks): Deleted all variable.
10784 2006-01-28 Ian Lance Taylor <ian@airs.com>
10786 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10787 cgraph_output_pending_asms.
10789 2006-01-28 Zack Weinberg <zackw@panix.com>
10791 * c.opt: Add -W(no-)overlength-strings.
10792 * doc/invoke.texi: Document it.
10793 * c-opts.c (c_common_handle_option): -pedantic implies
10794 -Woverlength-strings, if not explicitly disabled already.
10795 (c_common_post_options): -Woverlength-strings defaults to off, and
10796 is always off for C++.
10797 * c-common.c (fix_string_type): Issue warning about strings longer
10798 than is portable only if warn_overlength_strings. Rearrange code
10799 a little for clarity.
10800 * configure.in: Check for -Wno-overlength-strings as well before
10801 enabling -pedantic in stage 1.
10802 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10803 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10805 * genconditions.c (write_header, write_one_condition)
10806 (write_conditions, write_writer): Consolidate very long strings
10807 that were broken up to fit in C89 portable limit. Don't use
10808 printf when fputs will do.
10810 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10812 * combine.c (simplify_comparison <AND>): Check
10813 TRULY_NOOP_TRUNCATION before start using a subreg.
10815 * config/mips/mips.md (*branch_zero<mode>,
10816 *branch_zero<mode>_inverted, *branch_equality<mode>,
10817 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10818 Remove mode check from comparisons.
10820 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10822 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10824 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10826 * expmed.c (const_mult_add_overflow_p): Remove.
10827 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10829 * recog.c (validate_replace_rtx_subexp): Remove.
10830 * recog.h: Remove the prototype for
10831 validate_replace_rtx_subexp.
10833 * integrate.h: Remove the prototype for
10834 copy_decl_for_inlining.
10835 * rtl.h: Remove the prototype for mark_constant_function.
10836 * tree-vectorizer.h: Remove the prototype for
10837 vect_strip_conversion.
10839 * modulo-sched.c (create_partial_schedule,
10840 free_partial_schedule, reset_partial_schedule): Make them
10843 * hooks.c (hook_bool_rtx_int_false): Remove.
10844 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10846 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10848 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10849 and -mlong-double-128 are incompatible.
10850 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10851 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10852 (TARGET_LIBGCC2_CFLAGS): Define.
10853 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10854 (TARGET_LIBGCC2_CFLAGS): Same.
10855 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10857 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10860 * c-typeck.c (build_binary_op): Perform implicit casts of
10861 operands before shortening them.
10863 * cfgloopmanip.c (split_loop_bb): Remove.
10864 * cfgloop.h: Remove the prototype for split_loop_bb.
10866 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10867 * cfgloop.h: Remove the prototype for
10868 flow_loop_outside_edge_p.
10870 * emit-rtl.c (init_virtual_regs): Make it static.
10871 * function.h: Remove the prototype for init_virtual_regs.
10873 * recog.c (peephole2_optimize): Make it static.
10874 * recog.h: Remove the prototype for peephole2_optimize.
10876 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10878 * df-scan.c (df_record_entry_block_defs): Check if
10879 INCOMING_RETURN_ADDR_RTX is defined.
10881 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10882 Kenneth Zadeck <zadeck@naturalbridge.com>
10884 PR rtl-optimization/24762
10885 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10886 * targhooks.c (hook_void_bitmap): New hook prototype.
10887 * targhoohs.h (hook_void_bitmap): Ditto.
10888 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10889 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10890 * target.h (live_on_entry): New function pointer.
10891 * df-scan.c (df_all_hard_regs): Removed.
10892 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10893 (df_scan_free_internal): Added df->entry_block_defs.
10894 (df_scan_alloc): Ditto.
10895 (df_scan_dump): Ditto.
10896 (df_uses_record): Plumbed flag field properly thru calls.
10897 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10898 This part fixes PR24762.
10899 (df_bb_refs_record): Added code to make the frame and arg
10900 pointers live in EH blocks.
10901 (df_refs_record): Added call to df_record_entry_block_defs.
10902 (df_record_entry_block_defs): New function.
10903 * df-core.c: Added comments to describe new artifical defs.
10904 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10905 (entry_block_defs): New field in struct df.
10906 (df_all_hard_regs): Deleted.
10907 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10908 * df-problems.c (df_ru_bb_local_compute_process_def):
10909 Added code to handle artifical defs in the entry to a function.
10910 (df_ru_bb_local_compute): Ditto.
10911 (df_rd_bb_local_compute_process_def): Ditto.
10912 (df_rd_bb_local_compute): Ditto.
10913 (df_lr_bb_local_compute): Ditto.
10914 (df_ur_bb_local_compute): Ditto.
10915 (df_urec_bb_local_compute): Ditto.
10916 (df_chain_create_bb): Ditto.
10917 (df_ur_local_finalize): Removed entry.
10918 (df_urec_init): Ditto.
10919 (df_urec_local_finalize): Ditto.
10920 (df_ri_bb_compute): Added detection of last use of pseudos.
10921 * Makefile.in (df-scan.o): Updated dependencies.
10922 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10923 * config/mips/mips.c (mips_set_live_on_entry): Added.
10924 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10926 * dce.c (marked_insn_p): Added code to handle artifical defs.
10928 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10930 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10932 (_mm_cvtsi128_si64): Likewise.
10933 (_mm_cvtsd_si64): Likewise.
10934 (_mm_cvttsd_si64): Likewise.
10935 (_mm_cvtsi64_sd): Likewise.
10936 (_mm_cvtsi64_si128): Likewise.
10937 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10938 (_mm_cvtsi64_m64): Likewise.
10939 (_m_to_int64): Likewise.
10940 (_mm_cvtm64_si64): Likewise.
10941 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10942 (_mm_cvttss_si64): Likewise.
10943 (_mm_cvtsi64_ss): Likewise.
10944 (_mm_cvtss_f32): Likewise.
10946 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10948 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10949 for pragma redefine_extname.
10951 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10954 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10955 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10956 -mno-minimal-toc to previous content.
10957 (bispecs): Remove goal.
10958 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10959 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10960 compatibility aliases on powerpc-*-*gnu*.
10961 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10962 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10963 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10964 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10965 (ldblspecs): New goal.
10966 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10967 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10969 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10970 L_sf_to_tf or L_df_to_tf is defined.
10972 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10973 Alan Modra <amodra@bigpond.net.au>
10976 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10977 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10978 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10979 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10980 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10981 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10982 (rs6000_override_options): Initialize rs6000_ieeequad.
10983 Initialize TFmode format to ibm_extended_format if not
10985 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10987 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10988 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10989 (function_arg_advance): IBM long double passed in two FPRs, not
10991 (function_arg): IBM long double passed in FPRs.
10992 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10993 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10994 Only multireg GPR aligned.
10995 (rs6000_init_libfuncs): Enable IBM long double functions if not
10997 (rs6000_generate_compare): Use IBM long double compare if not
10999 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11000 (TARGET_IEEEQUAD): Define.
11001 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11002 not TARGET_IEEEQUAD.
11003 * config/rs6000/rs6000.md: Enable TFmode patterns if
11005 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11006 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11007 and -mlong-double-128 are incompatible.
11008 * doc/invoke.texi (-mabi): Collect options together. Add
11009 ibmlongdouble and ieeelongdouble.
11011 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11013 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11015 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11016 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11017 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11018 * rtl.h (rtunion_def): Remove rt_ptr.
11020 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11021 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11022 * config/i386/winnt.c (i386_pe_mark_dllexport)
11023 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11025 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11027 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11029 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11033 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11034 pthread_key_delete. From John David Anglin. gthrw-ify
11035 pthread_getunique_np only if it it's not a macro. Delete
11037 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11038 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11039 __gthread_objc_condition_signal, __gthread_key_delete): Add
11040 "__attribute__ ((__unused__))" to unused arguments.
11041 (__gthread_recursive_mutex_init_function): Add missing return.
11042 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11043 gthr-posix95.h: Use macro-based approach for name redirection
11044 on targets missing weakref.
11046 2006-01-26 Zack Weinberg <zackw@panix.com>
11048 * genconditions.c (write_header): In generated code, #ifdef out
11049 all includes and fake declarations, except includes of bconfig.h
11050 and system.h, unless GCC_VERSION >= 3001. Do not include
11051 gensupport.h in any case.
11052 (write_conditions): Generate a definition of struct c_test. Add
11053 a comment to the generated #endif.
11054 (write_one_condition): Escape backslashes in string too.
11055 (write_writer): Generated code must escape backslashes and quote
11056 marks (but not newlines) in the strings it writes.
11057 * Makefile.in (build/gencondmd.o): Update dependencies.
11059 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11062 * Makefile.in (insn-automata.o): Add header file dependencies.
11063 * genautomata.c: Add includes.
11065 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11068 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11070 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11072 * configure.ac: Expect target tools paths to be passed from the toplevel
11073 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11075 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11077 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11080 * c.opt (Wpointer-sign): Init to -1.
11081 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11082 OPT_pedantic, to 0 otherwise.
11083 * doc/invoke.texi: Update.
11085 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11087 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11088 constants provided by 80387 instructions in the destination mode.
11090 2006-01-26 Richard Guenther <rguenther@suse.de>
11091 Andrew Pinski <pinskia@physics.uc.edu>
11094 partial PR tree-opt/17064
11095 * tree-ssa-structalias.c (intra_create_variable_infos):
11096 Create heap variables for incoming parameters if
11097 flag_argument_noalias > 1.
11098 (find_what_p_points_to): Look through default defs of
11101 2006-01-26 Jeff Law <law@redhat.com>
11104 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11105 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11106 within the VR_RANGE, use the VR_RANGE as the result, not the
11108 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11109 bounds for the type.
11111 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11113 * tree-ssa-alias.c (maybe_create_global_var): Change
11114 subvar walking to an assertion that we don't have subvar'd variables.
11116 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11119 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11120 Use a new variable, inner. PARM_DECLs are always non-weak.
11122 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11124 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11125 --disable-checking.
11127 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11129 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11131 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11133 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11134 (smax_insn, smin_insn, smax_0, smin_0): New.
11136 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11139 * config/cris/cris.c (cris_order_for_addsi3): New function.
11140 * config/cris/cris-protos.h: Prototype it.
11141 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11142 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11143 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11144 (split for "op.S1 [rx=rx+i],ry (swapped)")
11145 (split for "op(s|u).S1 [rx=rx+i],ry")
11146 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11147 Apply cris_order_for_addsi3 when generating addsi3 insns.
11149 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11151 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11152 (TREE_BLOCK): Add call to EXPR_CHECK.
11154 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11157 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11158 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11159 (dump_omp_clauses): ... here.
11160 (dump_generic_node): Handle OMP_CLAUSE.
11161 * tree.c (omp_clause_num_ops): New.
11162 (omp_clause_code_name): New.
11163 (tree_code_size): Handle OMP_CLAUSE.
11164 (tree_size): Likewise.
11165 (make_node): Document handling of OMP_CLAUSE.
11166 (tree_node_structure): Handle OMP_CLAUSE.
11167 (omp_clause_check_failed): New.
11168 (omp_clause_range_check_failed): New.
11169 (omp_clause_operand_check_failed): New.
11170 (build_omp_clause): New.
11171 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11172 * tree.h (enum omp_clause_code): Declare.
11173 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11174 (OMP_CLAUSE_RANGE_CHECK): Define.
11175 (OMP_CLAUSE_ELT_CHECK): Define.
11176 (omp_clause_check_failed): Declare.
11177 (omp_clause_operand_check_failed): Declare.
11178 (omp_clause_range_check_failed): Declare.
11179 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11180 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11181 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11182 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11183 (OMP_CLAUSE_IF_EXPR): Likewise.
11184 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11185 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11186 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11187 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11188 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11189 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11190 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11191 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11192 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11193 (OMP_CLAUSE_CODE): Define.
11194 (OMP_CLAUSE_SET_CODE): Define.
11195 (OMP_CLAUSE_CODE): Define.
11196 (OMP_CLAUSE_OPERAND): Define.
11197 (struct tree_omp_clause): Declare.
11198 (union tree_node): Add field 'omp_clause'.
11199 * treestruct.def (TS_OMP_CLAUSE): Define.
11200 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11201 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11202 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11203 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11204 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11205 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11206 (OMP_CLAUSE): Define.
11207 * print-tree.c (print_node): Handle OMP_CLAUSE.
11208 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11209 * c-typeck.c: Likewise.
11210 * gimplify.c: Likewise.
11211 * c-omp.c: Likewise.
11212 * tree-nested.c: Likewise.
11213 * tree-inline.c: Likewise.
11214 * c-parser.c: Likewise.
11215 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11218 2006-01-25 Roger Sayle <roger@eyesopen.com>
11220 PR rtl-optimization/25703
11221 * combine.c (try_combine): Handle zero_extract and strict_low_part
11222 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11224 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11226 * global.c: Fix comment typos.
11228 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11231 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11232 Use output_addr_const instead of assemble_name.
11234 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11236 * Makefile.in (sched-vis.o): Update dependencies.
11237 * haifa-sched.c (sched_finish): Clear current_sched_info.
11238 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11239 (dump_flow_info): Call it.
11240 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11242 * basic-block.h (dump_bb_info): Declare.
11243 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11244 option, and apply options only for dump files whose TDF_RTL,
11245 TDF_TREE, or TDF_IPA bits match.
11246 * rtl.h: Declare new functions exported from sched-vis.c.
11247 * sched-vis.c: Enable also if scheduling is not used.
11248 (print_value): Print the mode of registers if not inside scheduling.
11249 (print_insn): Make it work outside the scheduler. Beautify the output
11251 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11253 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11255 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11256 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11257 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11258 depending on the value of CONSTANT_POOL_ADDRESS_P.
11259 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11261 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11262 rather than SYMBOL_REF_DECL.
11263 (rtx_constant_pool): Remove const_rtx_sym_htab.
11264 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11265 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11266 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11267 Remove handling of const_rtx_sym_htab.
11268 (find_pool_constant): Delete.
11269 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11270 rather than find_pool_constant.
11271 (get_pool_constant_for_function): Delete.
11272 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11273 find_pool_constant.
11274 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11275 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11276 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11277 (SYMBOL_REF_CONSTANT): New macro.
11278 (get_pool_constant_for_function): Delete.
11279 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11280 rather than SYMBOL_REF_DECL.
11281 (i386_pe_mark_dllimport): Likewise.
11282 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11283 rather than SYMBOL_REF_DECL.
11284 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11285 (machopic_indirect_call_target): Likewise.
11287 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11289 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11291 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11293 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11295 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11297 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11299 2006-01-24 David Daney <ddaney@avtrex.com>
11302 * configure.ac (enable_tls): New enable option.
11303 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11304 * configure: Regenerate.
11305 * doc/install.texi (--enable-tls): Document new option.
11306 (--disable-tls): Ditto.
11308 2006-01-24 Richard Henderson <rth@redehat.com>
11310 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11311 * alias.c (true_dependence): Respect it.
11312 (canon_true_dependence, write_dependence_p): Likewise.
11313 * builtins.c (get_builtin_sync_mem): Set it.
11315 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11317 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11320 2006-01-24 DJ Delorie <dj@redhat.com>
11322 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11323 for storing constants in single-bit bitfields.
11325 2006-01-25 Ben Elliston <bje@au.ibm.com>
11327 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11329 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11332 * tree-ssa-pre.c (phi_translate): Return NULL
11333 for AGGREGATE_TYPE's.
11335 2006-01-24 Zack Weinberg <zackw@panix.com>
11337 * genautomata.c (process_state_for_insn_equiv_partition):
11338 Use xcalloc for insn_arcs_array.
11339 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11340 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11342 2006-01-24 Richard Henderson <rth@redhat.com>
11344 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11345 update all callers.
11347 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11349 PR rtl-optimization/25890
11350 PR rtl-optimization/25905
11351 * combine.c (expand_compound_operation, expand_field_assignment):
11352 Fail if the bitfield's final position is out of bounds.
11354 2006-01-24 Ian Lance Taylor <ian@airs.com>
11356 PR middle-end/25930
11357 * cgraphunit.c (cgraph_output_in_order): Don't clear
11358 cgraph_asm_nodes until after asm strings have been output.
11360 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11362 * fix-header.c (read_scan_file): Add new parameter imultilib when
11363 calling register_include_chains.
11365 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11367 * omp-low.c: Update documentation.
11369 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11370 Daniel Berlin <dberlin@dberlin.org>
11374 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11375 return from the function.
11377 2006-01-22 Zack Weinberg <zackw@panix.com>
11379 * rtl.def (match_code): Add second argument.
11380 * genpreds.c (write_extract_subexp): New function.
11381 (write_match_code): Add path argument. Use write_extract_subexp.
11382 (write_predicate_expr): Pass path to write_match_code.
11383 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11384 not perform a mode test.
11385 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11386 a subexpression does not constrain the top-level code set.
11387 * read-rtl.c (read_rtx_variadic): New function.
11388 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11389 * doc/md.texi: Document new notation.
11390 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11391 (cmpsi_operand): ... here, using new notation.
11393 2006-01-22 Zack Weinberg <zackw@panix.com>
11395 * varray.c: Remove GENERATOR_FILE #ifdefs.
11397 2006-01-22 Zack Weinberg <zackw@panix.com>
11399 * genautomata.c (output_reserved_units_table): Emit nothing if
11400 description->query_units_num is zero. Remove extra blank line.
11401 (output_cpu_unit_reservation_p): Short circuit
11402 if description->query_units_num is zero.
11404 2006-01-22 Zack Weinberg <zackw@panix.com>
11406 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11407 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11408 nor any of the random handful of variables that used to be necessary
11409 when this program was linked with rtlanal.o. Prune set of forward
11410 function declarations.
11411 (struct attr_desc): Remove static_p field.
11412 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11413 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11414 (attr_string): Do not read the character one past the length of
11416 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11417 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11418 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11419 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11420 (make_automaton_attrs): New.
11421 (main): Do not call into genautomata. Call local gen_bypass
11422 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11423 Remove special case for insn_alts.
11424 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11425 varray.h (leftover from previous change). Prune set of forward
11426 function declarations. Remove state_alts fields from all
11427 structures. Remove state_alts_table from struct automaton.
11428 Make everything except main static. Do not maintain num_dfa_decls.
11429 Do not maintain state_alts fields of various structures.
11430 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11431 (add_arc): Remove state_alts argument. All callers updated.
11432 (output_reserved_units_table): Emit #ifdef here...
11433 (output_tables): ...not here. Don't generate state_alts tables.
11434 (expand_automata): Don't generate attributes.
11435 (write_automata): Don't generate state_alts functions.
11436 (main): New function.
11437 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11438 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11439 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11440 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11441 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11442 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11443 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11444 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11446 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11447 * genattrtab.h: Delete file.
11448 * Makefile.in (OBJS-common): Add insn-automata.o.
11449 (insn-automata.o): New rule.
11450 (simple_generated_c): Add insn-automata.c.
11451 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11452 (genprogmd): Add automata.
11453 (build/genattrtab): Needs no extra objects nor libraries.
11454 (build/genautomata): Needs build/vec.o and -lm.
11456 2006-01-22 Zack Weinberg <zackw@panix.com>
11458 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11459 (output_dfa_max_issue_rate, locked_states_num): Delete.
11460 (struct automaton): Add locked_states field.
11461 (output_dead_lock_vect): Save number of locked states in
11462 automaton->locked_states. If it is zero, don't print anything.
11463 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11464 (output_internal_dead_lock_func): Only test the dead_lock_vect
11465 for automata that have locked states.
11466 (output_statistics): Always print the number of locked states for
11467 each automaton. Calculate total number of locked states here.
11468 (write_automata): Don't call output_dfa_max_issue_rate.
11469 * genattrtab.c: Define length_unit_log as a const variable.
11470 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11471 max_insn_queue_index const.
11472 * final.c (length_unit_log): Declare const.
11473 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11475 2006-01-22 Zack Weinberg <zackw@panix.com>
11477 * genautomata.c: Include vec.h, not varray.h.
11478 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11479 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11480 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11481 VEC_* macros operating on appropriately typed vectors, or to
11482 malloced arrays when the size is known in advance. Const-ify
11483 many char* variables and function arguments. No functional changes.
11484 * Makefile.in (build/varray.o): Delete rule.
11485 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11486 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11488 2006-01-22 Zack Weinberg <zackw@panix.com>
11490 * gensupport.c: Define get_insn_name and record_insn_name here.
11491 (read_md_rtx): Call record_insn_name as appropriate.
11492 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11493 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11494 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11496 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11497 (BUILD_VARRAY): Delete.
11498 (genprognormal): Rename genprogmd. Fold in all programs from
11499 genprognoprint; also attrtab.
11500 (build/genattrtab): Just mention genautomata.o and varray.o.
11501 Reorganize a bit, add comments to make the categories clearer.
11503 2006-01-22 Zack Weinberg <zackw@panix.com>
11505 * genconditions.c (condition_table, add_condition): Delete.
11506 (write_conditions): Don't emit n_insn_conditions nor
11507 insn_elision_unavailable. Issue the gcc version #ifdef here,
11508 inside the table, with no #else clause ...
11509 (write_header): ...not here.
11510 (write_writer): New function.
11511 (main): Don't initialize condition_table. Use add_c_test.
11513 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11514 files on the command line.
11515 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11516 Return -1 if there is no entry in the table, don't abort.
11517 (add_c_test, traverse_c_tests): New functions.
11518 * gensupport.h (insn_elision_unavailable, insn_conditions)
11519 (n_insn_conditions): Delete declarations.
11520 (add_c_test, traverse_c_tests): Declare.
11521 * read-rtl.c: Include gensupport.h.
11522 (read_conditions): New function.
11523 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11524 (read_rtx_1): If we get EOF when we were looking for an initial
11525 open paren, return 0. Call read_conditions when appropriate.
11526 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11527 dummy-conditions.o. Eliminate references to insn-conditions.o,
11528 or change them to build/gencondmd.o, as appropriate. Remove
11529 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11530 from $(simple_generated_c). For all files remaining in those
11531 two lists, add insn-conditions.md to the generator command line.
11532 Give insn-constants.h/s-constants their own rules. Add rules
11533 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11534 (build/read-rtl.o): Depend on gensupport.h.
11535 (genprognormal): Include preds.
11536 (genprogearly): Rename genprognoprint; only difference is now that
11537 they don't link with $(BUILD_PRINT).
11538 * dummy-conditions.c: Delete.
11540 2006-01-22 Zack Weinberg <zackw@panix.com>
11542 * genextract.c: Don't include insn-config.h. Do include vec.h.
11543 Declare vectors of int, char, and locstr.
11544 (locstr): New typedef.
11545 (struct extraction): Make all array fields into bare pointers.
11546 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11547 (insn_code_number): Delete.
11548 (accum_extract): New struct.
11549 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11550 (gen_insn): Take insn_code_number as an argument. Use an
11551 accum_extract structure instead of loading data directly into
11552 a struct extraction, and having to know how big it might get.
11553 (walk_rtx): Operate entirely on an accum_extract structure.
11554 (print_path): Avoid unnecessary use of printf.
11555 (print_header): New function, split out of main. Distinguish
11556 more carefully between an unrecognizable insn and an insn that
11557 has the code number of a define_expand.
11558 (main): Pass insn_code_number to gen_insn. Call print_header
11559 only after parsing. Avoid unnecessary use of printf.
11560 * Makefile.in (build/vec.o): New rule.
11561 (build/genextract): Depend on build/vec.o.
11562 (build/genextract.o): Don't depend on insn-config.h.
11564 2006-01-22 Zack Weinberg <zackw@panix.com>
11566 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11567 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11568 practical. Eliminate per-generator-program link rules.
11570 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11572 PR middle-end/24437
11573 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11574 with a call expr to ...
11575 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11577 2006-01-23 Richard Guenther <rguenther@suse.de>
11579 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11580 before make_edge with conditional EDGE_TRUE_VALUE.
11582 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11583 Jan Hubicka <jh@suse.cz>
11584 Richard Guenther <rguenther@suse.de>
11586 PR rtl-optimization/25654
11587 * cfgexpand.c (aggregate_contains_union_type): New function.
11588 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11589 for structure variables that contain a union type.
11591 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11593 * gengtype.c (new_structure): Return the structure.
11594 (create_option): Add an extra "next" argument.
11595 (create_field): New function.
11596 (adjust_field_rtx_def): Use create_option and create_field.
11597 Remove a now-unnecessary call to find_structure.
11598 (adjust_field_tree_def): Likewise.
11599 (note_yacc_type): Remove an unnecessary call to find_structure.
11600 * gengtype.h (new_structure): Return the structure.
11601 (create_option): Add an extra argument.
11602 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11603 (option): Adjust calls to create_option.
11605 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11607 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11609 2006-01-22 Paul Brook <paul@codesourcery.com>
11610 Peter Barada <peter@the-baradas.com>
11612 * config/m68k/m68k.md: Add Coldfire FPU support.
11613 Define FP mode macro and associated attributes.
11614 Use it for float mode patterns.
11615 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11616 (LIBCALL_VALUE): Use m68k_libcall_value.
11617 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11618 (m68k_function_value): Ditto.
11619 (emit_move_sequence): Ditto.
11620 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11621 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11622 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11623 (MULTILIB_EXCEPTIONS): Ditto.
11624 * config/m68k/m68k.opt: Add mcfv4e.
11625 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11626 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11627 (m68k_output_function_prologue): Save ColdFire FPU registers.
11628 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11629 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11630 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11631 ColdFire FPU registers.
11632 (m68k_libcall_value, m68k_function_value): New functions.
11633 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11634 (LIBCALL_VALUE): Use m68k_libcall_value.
11635 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11636 (MASK_COLDFIRE): Add MASK_CFV4E.
11637 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11638 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11639 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11640 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11641 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11642 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11643 * doc/invoke.tex: Document -mcfv4e on m68k.
11645 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11647 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11650 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11653 * c-opts.c (c_common_handle_option): Don't include
11654 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11655 * doc/invoke.texi (C++ Dialect Options): Document that
11656 -Wnon-virtual-dtor is no longer included in -Wall.
11658 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11660 * gcov.c (print_version), gcov-dump.c (print_version),
11661 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11664 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11666 * df-scan.c (problem_SCAN): Added NULL reset function.
11667 (df_scan_reset_blocks): Added code to call reset block function
11668 (df_bb_refs_delete) Fixed comment.
11669 (df_insn_refs_delete): Made tolerant of deleting non existent info
11670 for dataflow problems that need to be reset.
11671 * df-core.c (df_set_blocks): Ditto.
11672 * df.h (struct df_problem): Added reset_fun.
11673 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11674 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11675 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11676 functions to clear out all references to def-use or use-def chains.
11678 2006-01-21 Ben Elliston <bje@au.ibm.com>
11680 * varasm.c (assemble_real): Initialise data array.
11682 2006-01-20 Paul Brook <paul@codesourcery.com>
11684 Merge from csl-arm-branch.
11685 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11686 * config/arm/arm.md (movdi): Force operands[1] to a register
11687 if we have a non-register source.
11688 (*arm_movdi, *movdf_soft_insn): Require that one of the
11689 operands be a register.
11690 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11691 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11693 2006-01-20 DJ Delorie <dj@redhat.com>
11695 * varasm.c (initializer_constant_valid_p): Allow pointers
11696 initialized from integer constants of lesser precision.
11697 (output_constant): Allow non-int-sized pointer modes to be
11698 initialized from integer constants.
11700 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11703 * cppdefault.h (struct default_include): Add multilib flag.
11704 * cppdefault.c (cpp_include_defaults): Set it.
11705 * c.opt (-imultilib): New option.
11706 * c-opts.c (imultilib): New.
11707 (c_common_handle_option): Handle -imultilib.
11708 (c_common_post_options): Likewise.
11709 * c-incpath.c (add_standard_paths, register_include_chains):
11711 * c-incpath.h (register_include_chains): Add extra parameter.
11712 * gcc.c (do_spec_1): Generate -imultilib option.
11713 (The Specs Language): Update %I description.
11714 (process_command): Update copyright notice.
11715 * doc/cppopts.texi (-imultilib): Document.
11716 * doc/invoke.texi (-imultilib): Include in option summary.
11717 (%I): Update specs documentation.
11719 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11721 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11723 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11725 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11728 2006-01-20 Richard Guenther <rguenther@suse.de>
11729 Steven Bosscher <stevenb.gcc@gmail.com>
11731 PR rtl-optimization/24626
11732 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11733 EDGE_TRUE_VALUE if in RTL mode.
11736 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11737 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11739 2006-01-20 Dirk Mueller <dmueller@suse.com>
11742 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11743 instead of a special NOP marker.
11744 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11745 NOP marker handling.
11746 * c-common.h (empty_body_warning): Add forward declaration.
11747 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11748 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11750 2006-01-20 Paul Brook <paul@codesourcery.com>
11752 * Makefile.in (lang_checks): Keep going if mkdir fails.
11754 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11756 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11757 be able to clean out basic block when not necessary.
11758 (df_scan_free): Fixed to properly delete information if df is
11759 unused before calling df_finish.
11760 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11761 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11763 (df_bb_refs_delete): New function.
11764 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11765 * df-core.c (df_set_blocks): Added code to properly clean out
11766 unused blocks if they are not part of the blocks to consider.
11767 Added additional null check.
11768 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11769 be able to clean out basic block when not necessary
11770 * df.h (df_free_bb_function): Ditto.
11771 (df_bb_refs_delete): New function.
11772 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11773 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11774 basic block parameter to be able to clean out basic block when not
11776 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11777 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11778 Fixed to properly delete information if df is unused before
11781 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11783 PR rtl-optimization/25799
11784 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11785 Corrected confluence operator to remove bits from op2 before oring
11786 with op1 rather than removing bits from op1.
11787 (df_ru_transfer_function): Corrected test on wrong bitmap which
11788 caused infinite loop. Both of these problems were introduced in
11789 the dataflow rewrite.
11791 2006-01-19 DJ Delorie <dj@redhat.com>
11793 * reload1.c (find_reload_regs): Note the details of reload
11794 failures in the dump file.
11795 (spill_failure): Likewise.
11797 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11799 * loop-iv.c: Include df.h and hashtab.h.
11800 (enum iv_grd_result): New enum.
11801 (DF_REF_IV, DF_REF_IV_SET): New macros.
11802 (struct biv_entry): New.
11803 (df, bivs): New global variables.
11804 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11805 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11807 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11808 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11809 analyzed_for_bivness_p, record_biv): New functions.
11810 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11811 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11812 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11814 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11816 (iv_number_of_iterations): Use new interface to iv analysis.
11817 * loop-unroll.c: Do not include varray.h.
11818 (analyze_iv_to_split_insn): Use new interface to iv
11820 * loop-unswitch.c (may_unswitch_on): Ditto.
11821 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11823 (df_bb_modify): Realloc tables to the new index.
11824 (df_find_use): New function.
11825 * df.h (df_find_use): Declare.
11826 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11828 * cfgloop.h (struct rtx_iv): Remove analysed field.
11829 (iv_get_reaching_def): Removed.
11830 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11831 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11832 (loop-iv.o): Add df.h and hashtab.h dependency.
11833 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11835 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11838 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11840 (__floatundisf, __floatundidf): Likewise.
11841 * libgcc2.h (IS_IBM_EXTENDED): Define.
11843 2006-01-19 DJ Delorie <dj@redhat.com>
11845 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11847 2006-01-19 Paul Brook <paul@codesourcery.com>
11849 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11850 as nothrow when unwinding tables are disabled.
11852 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11855 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11856 of bit-field" when in system header.
11858 2006-01-19 DJ Delorie <dj@redhat.com>
11860 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11861 the 16 bit shift limit of the m16c.
11863 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11866 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11867 * config/i386/i386.c (output_set_got): Output the label if we have one
11868 for the TARGET_DEEP_BRANCH_PREDICTION case.
11870 2006-01-19 Jan Hubicka <jh@suse.cz>
11871 H.J. Lu <hongjiu.lu@intel.com>
11872 Evandro Menezes <evandro.menezes@amd.com>
11874 * invoke.texi (generic): Document
11876 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11877 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11878 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11879 (x86_use_incdec, x86_pad_returns): New variables
11880 (TARGET_CPU_DEFAULT_generic): New constant
11881 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11882 (enum processor_type): Add generic32 and generic64.
11883 * i386.md (cpu attribute): Add generic32/generic64
11884 (movhi splitter): Behave sanely when both partial_reg_dependency and
11885 partial_reg_stall are set.
11886 (K8 splitters): Enable for generic as well.
11887 * predicates.md (incdec_operand): Use TARGET_INCDEC
11888 (aligned_operand): Avoid memory mismatch stalls.
11889 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11890 * ppro.md: Enable for generic32
11891 * i386.c (generic64_cost, generic32_cost): New.
11892 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11893 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11894 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11895 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11896 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11897 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11898 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11899 x86_accumulate_outgoing_args, x86_prologue_using_move,
11900 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11901 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11902 Enable for generic.
11903 (x86_use_incdec, x86_pad_returns): New.
11904 (override_options): Add generic32 and generic64, translate "generic"
11905 to generic32/generic64 and "i686" to "generic32", refuse
11906 "generic32"/"generic64" as arch target.
11907 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11908 (ix86_reorg): Honor PAD_RETURNS.
11910 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11912 * tree-pretty-print.c (dump_generic_node): Handle
11913 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11914 * cgraph.c (cgraph_expand_queue): Rename from
11915 cgraph_analyze_queue. Update all users.
11916 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11917 cgraph_expand_queue.
11918 (cgraph_expand_all_functions): Likewise.
11919 (cgraph_finalize_pending_functions): Remove. Update callers.
11921 * tree.h (OMP_DIRECTIVE_P): Define.
11922 (OMP_PARALLEL_FN): Define.
11923 (OMP_PARALLEL_DATA_ARG): Define.
11924 (OMP_SECTIONS_SECTIONS): Define.
11925 * tree-pass.h (pass_expand_omp): Declare.
11926 * omp-low.c (struct omp_region): Declare.
11927 (struct omp_context): Remove fields 'parallel_type',
11928 'parallel_start_ix' and 'parallel_start_additional_args'.
11930 (struct omp_for_data): Rename from struct expand_omp_for_data.
11931 (omp_regions): New static variable.
11932 (root_omp_region): New static variable.
11933 (find_omp_clause): Make static.
11934 (is_in_combined_parallel_ctx): Remove.
11935 (is_combined_parallel): New.
11936 (extract_omp_for_data): Move earlier in the file.
11937 (workshare_safe_to_combine_p): New.
11938 (get_ws_args_for): New.
11939 (determine_parallel_type): Move earlier in the file.
11940 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11942 (omp_copy_decl): Likewise.
11943 (create_omp_child_function): Likewise.
11944 (lookup_omp_region): New.
11945 (dump_omp_region): New.
11946 (debug_omp_region): New.
11947 (debug_all_omp_regions): New.
11948 (new_omp_region): New.
11949 (scan_omp_parallel): If parallel_nesting_level > 1, the
11950 directive is nested within another parallel directive.
11951 Set OMP_PARALLEL_FN.
11952 (scan_omp_for): Do not try to handle combined parallel+for
11954 Remove FIXME comment.
11955 (scan_omp_nested): Remove.
11956 (scan_omp_1): Do not call scan_omp_nested when
11957 parallel_nesting_level is > 1.
11958 Do not change the DECL_CONTEXT of local variables found.
11959 (lookup_decl_in_outer_ctx): New.
11960 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11961 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11962 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11963 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11964 If CTX is nested, lookup VAR in the outer context when
11965 building copy assignment.
11966 (lower_send_clauses): Rename from expand_send_clauses.
11967 If CTX is nested, lookup VAR in the outer context when
11968 building copy assignments.
11969 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11970 If CTX is nested, lookup VAR in the outer context when
11971 building copy assignments.
11972 (expand_parallel_call): Rename from build_parallel_call.
11973 Handle combined parallel+workshare cases.
11974 Re-implement to emit code into the CFG.
11976 (expand_omp_parallel): Re-implement to emit code into the CFG.
11977 Call move_sese_region_to_fn to outline the sub-graph
11978 containing the parallel region.
11979 (expand_omp_for_1): Remove.
11980 (expand_omp_for_generic): Re-implement to emit code into the
11982 (expand_omp_for_static_nochunk): Likewise.
11983 (expand_omp_for_static_chunk): Likewise.
11984 (expand_omp_for): Likewise.
11985 (expand_omp_sections): Likewise.
11986 (remove_exit_barriers): New.
11987 (expand_omp_synch): New.
11989 (build_omp_regions_1): New.
11990 (build_omp_regions): New.
11991 (execute_expand_omp): New.
11992 (gate_expand_omp): New.
11993 (pass_expand_omp): Define.
11994 (lower_omp_sections): Rename from expand_omp_sections.
11995 Set OMP_SECTIONS_SECTIONS.
11996 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11997 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11998 (lower_omp_single): Rename from expand_omp_simple.
11999 (lower_omp_master): Rename from expand_omp_master.
12000 (lower_omp_ordered): Rename from expand_omp_ordered.
12001 (lower_omp_critical): Rename from expand_omp_critical.
12002 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12003 (lower_omp_for): Re-implement.
12004 (lower_omp_parallel): Re-implement.
12005 (lower_regimplify): Rename from expand_regimplify.
12006 (lower_omp_1): Rename from expand_omp_1.
12007 If there are syntax errors in the program, replace every
12008 OpenMP directive with NOP.
12009 Call lower_omp_* instead of expand_omp_*.
12010 (lower_omp): Rename from expand_omp.
12012 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12013 * tree-gimple.h (enum omp_parallel_type): Remove.
12014 (gimple_boolify): Declare extern.
12015 (find_omp_clause, determine_parallel_type): Remove.
12017 * gimple-low.c (lower_omp_directive): New.
12018 (lower_stmt): Call it.
12019 (record_vars_into): Move from ...
12020 (record_vars): ... here.
12021 Call record_vars_into with current_function_decl.
12023 * gimplify.c (struct gimplify_ctx): Remove fields
12024 combined_pre_p and combined_ctxp. Update users.
12025 (get_formal_tmp_var): Add documentation.
12026 (gimple_boolify): Make extern.
12027 (gimplify_expr_in_ctx): Remove. Update callers.
12028 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12029 will always be a BIND_EXPR.
12030 (gimplify_expr): Handle OMP_RETURN_EXPR.
12031 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12032 (OMP_PARALLEL): Add 3 operands.
12033 (OMP_SECTIONS): Add 1 operand.
12034 (OMP_RETURN_EXPR): Define.
12036 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12037 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12038 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12039 creating a circular free list.
12040 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12042 * tree-flow.h (move_sese_region_to_fn): Declare.
12043 (record_vars_into): Declare.
12044 * tree-cfg.c (make_omp_sections_edges): New.
12045 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12046 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12047 OMP_SECTIONS and OMP_SECTION.
12048 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12049 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12050 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12051 (gather_blocks_in_sese_region): New.
12052 (struct move_stmt_d): Declare.
12053 (move_stmt_r): New.
12054 (move_block_to_fn): New.
12055 (move_sese_region_to_fn): New.
12057 * passes.c (init_optimization_passes): Schedule
12058 pass_expand_omp after pass_init_datastructures.
12060 * tree-ssa-operands.c (get_expr_operands): Handle
12061 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12062 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12064 2006-01-19 Jeff Law <law@redhat.com>
12066 * tree-vrp.c (extract_range_from_assert): Refine the result range
12067 if the variable referenced by the ASSERT_EXPR has a range and
12068 either the tentative result range or the previous range is a
12071 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12073 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12075 2006-01-19 Jan Hubicka <jh@suse.cz>
12077 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12079 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12081 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12082 (expand_compound_operation, expand_field_assignment): Fail if the
12083 bit lengths of an extract operation are out of range.
12084 (make_extraction): Compute wanted_inner_mode based on the position
12085 and length of the extraction. Make it extraction_mode for non-constant
12086 positions, and do not modify offset in that case. When generating a
12087 new MEM, use a mode that can hold the extraction while keeping correct
12088 alignment. Remove code that supported MEMs wrapped by USEs.
12089 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12091 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12093 * config/s390/s390.md ("Y", "y"): New mode attribute.
12094 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12095 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12096 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12097 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12098 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12099 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12100 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12101 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12102 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12103 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12104 "addsi3", "subsi3"): Insn patterns removed.
12105 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12106 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12107 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12108 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12109 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12110 "*sub<mode>3_cconly2"): New insn patterns.
12111 ("addsi3", "subsi3"): New expanders.
12113 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12115 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12116 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12117 existing STMT_VINFO_VECTYPE if available.
12118 (vect_mark_relevant): Add special handling for stmts that are
12119 marked as STMT_VINFO_IN_PATTERN_P.
12120 (vect_analyze_loop): Call vect_pattern_recog.
12121 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12122 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12124 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12125 (vect_recog_func_ptr): New function-pointer type.
12126 * tree-vect-patterns.c: New file.
12127 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12128 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12129 (vect_pattern_recog_1): New functions.
12130 (vect_pattern_recog_funcs): New array of function pointers.
12132 * tree-vectorizer.h (ternary_op): New enum value.
12133 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12134 declaration. Revised documentation. Removed redundant dump prints.
12135 Removed redundant argument. Added support for reduction patterns.
12136 (vectorizable_reduction): Added support for reduction patterns.
12137 (vect_transform_stmt): Added support for patterns.
12139 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12140 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12141 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12142 (expand_widen_pattern_expr): New function.
12143 (init_optabs): Initialize new optabs udot_prod_optab,
12145 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12146 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12147 (expand_widen_pattern_expr): New function declaration.
12148 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12150 * tree-inline.c (estimate_num_insns_1): Added cases for new
12151 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12152 * tree-pretty-print.c (dump_generic_node): Likewise.
12153 (op_prio): Likewise.
12154 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12155 * tree-ssa-operands.c (get_expr_operands): Added case for
12157 * tree-vect-patterns.c (widened_name_p): New function.
12158 (vect_recog_dot_prod_pattern): Added function implementation.
12159 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12160 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12161 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12162 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12164 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12165 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12166 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12167 (init_optabs): Initialize new optabs widen_ssum_optab,
12169 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12170 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12171 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12172 use instead of type of def.
12173 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12174 function implementation.
12175 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12176 widen_ssumv8hi): New.
12178 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12181 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12184 * c-decl.c (add_flexible_array_elts_to_size): New function.
12185 (finish_decl): Use it.
12187 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12189 * diagnostic.h: Include options.h.
12190 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12191 dependancies for diagnostic.h.
12192 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12194 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12196 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12197 (ssa_ro_call_cache_valid): Ditto.
12198 * tree-ssa-alias.c (sort_tags_by_id): New function.
12199 (init_transitive_clobber_worklist): Ditto.
12200 (add_to_worklist): Ditto.
12201 (mark_aliases_call_clobbered): Ditto.
12202 (compute_tag_properties): Ditto.
12203 (set_initial_properties): Ditto.
12204 (compute_call_clobbered): Ditto.
12205 (compute_may_aliases): Call compute_call_clobbered and grouping.
12206 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12207 (compute_flow_insensitive_aliasing): Grouping now happens in our
12209 (setup_pointers_and_addressables): Remove clobbering related code.
12210 (add_may_alias): Ditto.
12211 (replace_may_alias): Ditto.
12212 (get_nmt_for): Ditto.
12213 (create_global_var):
12214 (is_escape_site): Return an escape_type enumeration.
12215 * tree-flow-inline.h (is_call_clobbered): Global var does not
12216 imply call clobbered.
12217 (mark_call_clobbered): Take a reason for marking this. Remove
12218 marking of globalness, and cache invalidation.
12219 (clear_call_clobbered): Remove cache invalidation code.
12220 * tree-dfa.c (dump_variable): If details is on, dump the reason
12222 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12224 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12225 (struct var_ann_d): Ditto.
12226 (enum escape_type): New.
12227 (mark_call_clobbered): Adjust prototype.
12228 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12229 are never call clobbered.
12230 Record reasons for escaping.
12231 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12232 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12233 (ssa_ro_call_cache_valid): Ditto.
12234 (clobbered_v_may_defs): Ditto.
12235 (clobbered_vuses): Ditto.
12236 (ro_call_vuses): Ditto.
12237 (clobber_stats): New.
12238 (init_ssa_operands): Zero out clobber stats.
12239 (fini_ssa_operands): Print out clobber stats.
12240 (get_call_expr_operands): Pass callee fndecl to
12241 add_call_read_ops).
12242 (add_call_clobber_ops): Remove use of cache.
12243 Add use of PURE_CONST information.
12244 (add_call_read_ops): Remove use of cache.
12245 Add use of static not_read information.
12247 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12249 Introduce TLS descriptors for i386 and x86_64.
12250 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12251 (TARGET_ANY_GNU_TLS): New macro.
12252 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12253 (struct machine_function): Add tls_descriptor_call_expanded_p.
12254 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12255 (ix86_current_function_calls_tls_descriptor): Likewise.
12256 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12257 (override_options): Introduce gnu2 tls dialect.
12258 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12260 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12262 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12263 (ix86_init_machine_status): Initialize new field.
12264 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12265 (ix86_tls_module_base): New.
12266 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12267 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12268 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12269 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12270 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12271 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12272 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12273 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12274 * config/i386/predicates.md (tls_modbase_operand): New.
12275 (tp_or_register_operand): New.
12277 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12279 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12280 (look_for_address_of): Ditto.
12281 (ipa_init): Walk the function decls.
12282 (static_execute): Don't set readonly on FUNCTION_DECL's.
12284 2006-01-18 Roger Sayle <roger@eyesopen.com>
12286 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12287 for shifts where the source and destination registers are different.
12289 2006-01-18 Paul Brook <paul@codesourcery.com>
12291 Merge from csl-arm-branch.
12292 2005-03-14 Julian Brown <julian@codesourcery.com>
12293 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12294 (aeabi_llsl): Likewise.
12295 (ashrdi3): Likewise.
12296 (aeabi_lasr): Likewise.
12297 (lshrdi3): Likewise.
12298 (aeabi_llsr): Likewise.
12299 2005-03-10 Julian Brown <julian@codesourcery.com>
12300 * config.gcc: Disable shared libgcc for SymbianOS.
12301 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12303 2006-01-18 DJ Delorie <dj@redhat.com>
12305 * c-pragma.c (handle_pragma_diagnostic): New.
12306 (init_pragma): Register it.
12307 * doc/extend.texi: Document it.
12309 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12310 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12311 (diagnostic_context): Add classify_diagnostic[].
12312 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12313 as errors if they're overridden to DK_WARNING.
12314 (diagnostic_initialize): Initialize classify_diagnostic[].
12315 (diagnostic_set_kind_override): New.
12316 (diagnostic_report_diagnostic): Check for kind changes.
12317 * opts.c (common_handle_option): Take lang_mask. Update callers.
12318 Handle OPT_Werror_.
12319 * common.opt (Werror=): New.
12320 * doc/invoke.texi: Document -Werror=*
12322 2006-01-18 Jeff Law <law@redhat.com>
12324 * tree-vrp.c (test_for_singularity): Correct test for new
12325 min limit. Use operand_equal_p rather than pointer equality
12326 for testing if new min/max values are equal.
12328 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12329 using range information until after propagation and folding.
12331 2006-01-18 Richard Henderson <rth@redhat.com>
12332 Aldy Hernandez <aldyh@redhat.com>
12333 Jakub Jelinek <jakub@redhat.com>
12334 Diego Novillo <dnovillo@redhat.com>
12336 * omp-low.c: New file.
12337 * c-omp.c: New file.
12339 2006-01-18 Richard Henderson <rth@redhat.com>
12340 Jakub Jelinek <jakub@redhat.com>
12341 Diego Novillo <dnovillo@redhat.com>
12343 * doc/invoke.texi: Document -fopenmp.
12344 * tree-dump.h (debug_function): Declare.
12345 * hooks.c (hook_bool_tree_bool_false): New function.
12346 (hook_tree_tree_null): Remove.
12347 (hook_tree_tree_tree_null): New.
12348 * hooks.h: Update to match.
12349 * tree-pretty-print.c (debug_tree_chain): New.
12350 (print_generic_expr): Handle TDF_CHAIN.
12351 (dump_generic_node): Handle BLOCK.
12352 Do not abort with incomplete SWITCH_EXPRs.
12353 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12354 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12355 print space after directive name.
12356 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12357 Handle OMP_MASTER and OMP_ORDERED.
12358 Handle printing of OMP_BODY just in one place, goto
12359 dump_omp_body in the rest of OMP_* nodes that have
12361 Don't handle clause nodes here. Update omp statements to
12362 use dump_omp_clauses.
12363 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12364 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12365 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12366 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12367 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12368 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12369 Adjust output for GOMP_PARALLEL.
12370 (dump_omp_clauses): New.
12371 (print_declaration): Dump DECL_VALUE_EXPR.
12372 (op_symbol_1): Split out of op_symbol.
12373 (dumping_stmts): Remove. Update all users.
12374 * cgraph.c (cgraph_analyze_queue): New.
12375 (cgraph_add_new_function): New.
12376 * cgraph.h (cgraph_analyze_queue): Declare.
12377 (cgraph_add_new_function): Declare.
12378 (cgraph_lower_function): Remove.
12379 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12380 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12381 and TYPE_P nodes in its default clause.
12382 (empty_body_p): New.
12383 (tree_range_check_failed): New.
12384 (build5_stat): New.
12385 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12386 OMP_CLAUSE_REDUCTION_MERGE,
12387 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12388 OMP_CLAUSE_PRIVATE_DEBUG,
12389 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12390 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12391 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12392 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12393 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12394 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12395 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12396 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12397 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12398 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12399 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12400 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12401 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12402 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12403 (TREE_RANGE_CHECK): New.
12404 (empty_body_p): Declare.
12405 (enum omp_clause_default_kind): New.
12406 (build_string_literal): Declare.
12407 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12408 (build5_stat, build5): Declare.
12409 * tree-pass.h (TDF_CHAIN): Define.
12410 * tree-pass.h (PROP_gimple_lomp): Define.
12411 (pass_lower_omp): Declare.
12412 * diagnostic.h (debug_tree_chain): Declare.
12413 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12415 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12416 * builtins.c (build_string_literal): Make extern.
12417 * gcc.c (include_spec_function): New.
12418 (static_spec_functions): Add it.
12419 (main): Move load of libgomp.spec ...
12420 (LINK_COMMAND_SPEC): ... here.
12421 (link_gomp_spec): New.
12422 (static_specs): Include it.
12423 (LINK_COMMAND_SPEC): Add link_gomp.
12424 (GOMP_SELF_SPECS): New.
12425 (driver_self_specs): Include it.
12426 (switch_matches): Don't mark inline.
12427 (main): Load libgomp.spec.
12428 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12429 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12430 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12431 * tree-gimple.h (enum omp_parallel): Declare.
12432 (determine_parallel_type): Declare.
12433 (omp_firstprivatize_variable): Declare.
12434 (omp_reduction_init): Declare.
12435 (diagnose_omp_structured_block_errors): Declare.
12436 (struct walk_stmt_info): Add want_return_expr.
12437 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12438 (find_omp_clause): Declare.
12439 (insert_field_into_struct): Declare.
12440 (struct walk_stmt_info): Move from tree-nested.c
12441 (walk_stmts): Declare.
12442 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12444 * cgraphunit.c (cgraph_lower_function): Make static.
12445 (cgraph_finalize_pending_functions): New.
12446 (cgraph_finalize_function): Call it.
12447 (cgraph_finalize_compilation_unit): Likewise.
12448 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12449 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12450 (BT_FN_UINT_UINT): New.
12451 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12452 DEF_FUNCTION_TYPE_VAR_4): Document.
12453 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12454 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12455 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12456 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12457 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12458 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12459 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12460 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12461 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12462 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12463 into separate files.
12464 (DEF_GOMP_BUILTIN): New.
12465 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12466 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12467 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12468 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12469 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12470 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12471 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12472 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12473 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12474 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12475 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12476 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12477 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12478 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12479 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12480 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12481 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12482 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12483 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12484 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12485 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12486 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12487 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12488 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12489 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12490 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12491 * sync-builtins.def: New file, moved from builtins.def.
12492 * omp-builtins.def: New file, moved from builtins.def.
12493 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12494 * gimple-low.c (lower_function_body): Clear data.
12495 (lower_stmt): Do not handle COMPOUND_EXPR.
12496 Remove call to print_node_brief.
12497 * c-tree.h (c_finish_omp_clauses): New prototype.
12498 (C_DECL_THREADPRIVATE_P): Define.
12499 (lookup_name_no_remap, c_omp_remap_private): Remove
12500 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12501 (check_for_loop_decls): Update decl.
12502 (lookup_name_no_remap, c_omp_remap_private): Declare.
12503 (build_indirect_ref, build_modify_expr, pushdecl,
12504 pushdecl_top_level): Move to c-common.h.
12505 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12506 before the switch, but just in the 2 places that need it.
12507 * c-decl.c (diagnose_mismatched_decls): Do not check for
12508 mismatched thread-local attributes when OLDDECL is marked
12509 threadprivate and NEWDECL has no thread-local attributes.
12510 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12511 (c_gimple_diagnostics_recursively): Rename from
12512 c_warn_unused_result_recursively. Invoke
12513 diagnose_omp_structured_block_errors.
12514 (check_for_loop_decls): Return a singular decl found.
12515 * langhooks.c (lhd_omp_predetermined_sharing): Return
12516 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12517 (lhd_omp_firstprivatize_type_sizes): New.
12518 (lhd_omp_assignment): New.
12519 (lhd_omp_predetermined_sharing): New.
12520 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12521 (struct lang_hooks_for_types): Add
12522 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12523 omp_predetermined_sharing, omp_disregard_value_expr,
12524 omp_private_debug_clause, omp_clause_default_ctor,
12525 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12526 (c_finish_omp_clauses): New.
12527 (c_finish_bc_stmt): Diagnose break within omp for.
12528 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12529 (build_unary_op): Return error_mark after reporting
12531 (build_modify_expr): Likewise.
12532 * gimplify.c: Include optabs.h and pointer-set.h.
12533 (enum gimplify_omp_var_data): Declare.
12534 (struct gimplify_omp_ctx): Declare.
12535 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12537 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12538 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12539 (splay_tree_compare_decl_uid): New.
12540 (new_omp_context): New.
12541 (delete_omp_context): New.
12542 (gimple_add_tmp_var): Call omp_add_variable.
12543 (gimplify_bind_expr): Likewise.
12544 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12545 true, disregard DECL_VALUE_EXPR on the decl if any.
12546 (gimplify_expr_in_ctx): New.
12547 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12548 omp_add_variable, omp_notice_variable, omp_is_private
12549 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12550 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12551 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12552 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12553 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12554 gimplify_omp_atomic): New.
12555 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12556 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12557 OMP_CRITICAL and OMP_ATOMIC.
12558 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12559 * c-pragma.h (enum pragma_kind): Add
12560 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12561 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12562 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12563 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12564 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12565 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12566 PRAGMA_OMP_THREADPRIVATE.
12567 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12568 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12569 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12570 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12571 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12572 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12573 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12574 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12575 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12576 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12577 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12578 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12579 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12581 (struct nesting_info): Add field_map,
12582 suppress_expansion, debug_var_chain.
12583 (create_nesting_tree): Initialize them.
12584 (lookup_field_for_decl): Use field_map.
12585 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12586 (convert_local_omp_clauses): New.
12587 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12588 (walk_body): Split out of walk_function.
12589 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12590 (convert_nonlocal_reference): Handle omp statements.
12591 (convert_local_reference): Likewise.
12592 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12593 (unnest_nesting_tree): New.
12594 (lower_nested_functions): Call it.
12595 (insert_field_into_struct): Make extern.
12596 (struct walk_stmt_info): Move to tree-gimple.h.
12597 (walk_stmts): Make extern.
12598 * omp-builtins.def: New file.
12599 * tree-iterator.c (expr_only): Clarify comment.
12600 * c-common.h (pushdecl_top_level, pushdecl,
12601 build_modify_expr, build_indirect_ref,
12602 c_finish_omp_master, c_finish_omp_critical,
12603 c_finish_omp_ordered, c_finish_omp_barrier,
12604 c_finish_omp_atomic, c_finish_omp_flush,
12605 c_finish_omp_for, c_split_parallel_clauses,
12606 omp_clause_default_kind, c_omp_sharing_predetermined,
12607 c_omp_remap_decl): Declare.
12608 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12609 (OBJS-common): Add omp-low.o.
12610 (c-omp.o, omp-low.o): Add.
12611 (gimplify.o): Add dependency on $(OPTABS_H).
12612 (GTFILES): Add omp-low.c.
12613 (gt-stringpool.h): Add.
12614 * tree-cfg.c (set_bb_for_stmt): Do not update the
12615 block-to-labels map if we are currently expanding to RTL.
12616 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12618 Handle IDENTIFIER_NODE.
12619 (tree_verify_flow_info): Do not ICE when emitting error
12620 messages about invalid labels.
12621 (dump_function_to_file): Reset CFUN before emitting the body
12623 (debug_function): New.
12624 * passes.c (init_optimization_passes): Schedule
12626 * langhooks-def.h (lhd_omp_predetermined_sharing,
12627 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12629 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12630 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12631 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12632 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12633 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12634 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12635 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12636 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12637 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12638 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12639 (LANG_HOOK_DECLS): Use them.
12641 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12642 Richard Henderson <rth@redhat.com>
12643 Jakub Jelinek <jakub@redhat.com>
12644 Diego Novillo <dnovillo@redhat.com>
12646 * c-parser.c (pragma_omp_clause): Define.
12647 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12648 (c_parser_compound_statement): Likewise.
12649 (c_parser_statement): Likewise.
12650 (c_parser_pragma): Handle omp pragmas.
12651 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12652 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12653 (c_parser_omp_clause_name, check_no_duplicate_clause,
12654 c_parser_omp_variable_list,
12655 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12656 c_parser_omp_clause_copyprivate,
12657 c_parser_omp_clause_default,
12658 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12659 c_parser_omp_clause_lastprivate,
12660 c_parser_omp_clause_nowait,
12661 c_parser_omp_clause_num_threads,
12662 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12663 c_parser_omp_clause_reduction,
12664 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12665 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12666 c_parser_omp_atomic, c_parser_omp_barrier,
12667 c_parser_omp_critical, c_parser_omp_flush,
12668 c_parser_omp_for_loop, c_parser_omp_for,
12669 c_parser_omp_master, c_parser_omp_ordered,
12670 c_parser_omp_sections_scope, c_parser_omp_sections,
12671 c_parser_omp_parallel, c_parser_omp_single,
12672 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12673 * c-pragma.c (init_pragma): Do omp pragma registration here.
12674 * c.opt (fopenmp): New flag.
12676 2006-01-18 Eric Christopher <echristo@apple.com>
12678 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12679 * config/darwin.h (GOMP_SELF_SPECS): Define.
12681 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12683 * rtl.h: Remove the prototype for reg_alloc.
12685 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12688 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12689 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12690 sjlj and dwarf2 exception handling.
12691 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12692 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12693 * pa/pa.c (function_value): Treat complex and vector types as
12695 (function_arg): Likewise. Only pass scalar floats in the floating
12696 point argument registers.
12697 * pa/t-slibgcc-dwarf-ver: New file.
12698 * pa/t-slibgcc-sjlj-ver: New file.
12699 * pa/t-slibgcc-elf-ver: Delete file.
12701 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12703 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12704 unlikely_test_section_p test.
12706 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12708 * mode-switching.c (optimize_mode_switching): Make it static.
12709 * basic-block.h: Remove the prototype for
12710 optimize_mode_switching.
12712 * modulo-sched.c (sms_schedule): Make it static.
12713 * rtl.h: Remove the prototype for sms_schedule.
12715 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12716 * rtl.h: Remove the prototype for gcse_after_reload_main.
12718 * reg-stack.c (reg_to_stack): Make it static.
12719 * rtl.h: Remove the prototype for reg_to_stack.
12721 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12723 * rtl.h: Remove the prototypes for regrename_optimize and
12724 copyprop_hardreg_forward.
12726 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12728 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12729 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12730 Test against the appropriate null constant for the mode.
12731 If 'fixup_overlap' is true, swap the operands if they overlap.
12732 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12733 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12734 alpha_split_tmode_pair and adjust for above change.
12735 * config/alpha/alpha.md (movtf_internal): Adjust call to
12736 alpha_split_tfmode_pair and rely on it to swap the operands.
12737 (movti_internal): New insn and post-reload splitter.
12738 (movti): New expander.
12740 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12742 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12745 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12747 * rtlanal.c (global_reg_mentioned_p_1,
12748 global_reg_mentioned_p): Remove.
12749 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12751 * flow.c (initialize_uninitialized_subregs): Make it static.
12752 * rtl.h: Remove the prototype for
12753 initialize_uninitialized_subregs.
12755 * function.c (instantiate_virtual_regs): Make it static.
12756 * function.h: Remove the prototype for
12757 instantiate_virtual_regs.
12759 * regmove.c (regmove_optimize, combine_stack_adjustments):
12761 * rtl.h: Remove the prototypes for regmove_optimize and
12762 combine_stack_adjustments.
12764 2006-01-17 Roger Sayle <roger@eyesopen.com>
12766 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12767 (size_cost): Encode costs in bytes so that a reg-reg addition is
12768 equivalent to COSTS_N_INSNS(1).
12769 (override_options): Use the size_cost.branch_cost as the default
12770 ix86_branch_cost when optimizing for size.
12772 2006-01-18 Ben Elliston <bje@au.ibm.com>
12774 * Makefile.in (D32PBIT_FUNCS): New.
12775 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12776 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12777 D64PBIT_FUNCS and D128PBIT_FUNCS.
12778 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12779 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12781 (decnumber_dep): Define.
12782 * doc/libgcc.texi (Decimal float library routines): New node.
12783 * config/dfp-bit.h, config/dfp-bit.c: New files.
12785 2006-01-18 Ben Elliston <bje@au.ibm.com>
12787 * expr.c (emit_move_change_mode): Always adjust addresses, not
12788 just during reload. Copy replacements only during reload.
12789 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12790 emit_move_via_integer.
12792 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12794 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12795 instead of $(srcdir) and ${srcdir}.
12797 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12800 PR middle-end/11135
12801 * arm.h (struct machine_function): Add pic_reg.
12802 * arm.c (arm_pic_register): Make unsigned.
12803 (arm_override_options): Only set arm_pic_register if
12804 TARGET_SINGLE_PIC_BASE.
12805 (use_return_insn): Only test for a pic register if it is fixed.
12806 (arm_compute_save_reg0_reg12_mask): Likewise.
12807 (thumb_compute_save_reg_mask): Likewise.
12808 (legitimate_pic_operand): Factor out some known invariants.
12809 (legitimize_pic_address): If we don't have a fixed pic register,
12810 then set up a pseudo in the function entry sequence. Handle the
12811 pic base being in a pseudo.
12812 (arm_load_pic_register): Handle the pic register being in a pseudo.
12813 (arm_expand_prologue): Only set up the pic register if it is fixed.
12814 (thumb_expand_prologue): Likewise.
12815 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12816 (pic_load_addr_based_insn): Likewise.
12817 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12820 2006-01-18 Ben Elliston <bje@au.ibm.com>
12822 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12823 decimal float modes for all floating point registers.
12825 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12826 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12828 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12831 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12832 even when the pointer is not NULL.
12834 2006-01-16 Ian Lance Taylor <ian@airs.com>
12836 * common.opt (ftoplevel-reorder): New option.
12837 * cgraph.c (cgraph_asm_nodes): New global variable.
12838 (cgraph_asm_last_node): New static variable.
12839 (cgraph_order): New global variable.
12840 (cgraph_create_node): Set new order field.
12841 (cgraph_varpool_node): Likewise.
12842 (decide_is_variable_needed): Return true if not
12843 flag_toplevel_reorder.
12844 (cgraph_add_asm_node): New function.
12845 * cgraph.h (struct cgraph_node): Add order field.
12846 (struct cgraph_varpool_node): Add order field.
12847 (struct cgraph_asm_node): Define.
12848 (cgraph_asm_nodes, cgraph_order): Declare.
12849 (cgraph_add_asm_node): Declare.
12850 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12852 (cgraph_varpool_assemble_pending_decls): Call it.
12853 (cgraph_output_pending_asms): New static function.
12854 (cgraph_finalize_compilation_unit): Call it.
12855 (struct cgraph_order_sort): Define.
12856 (cgraph_output_in_order): New static function.
12857 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12858 !flag_toplevel_reorder case.
12859 * c-parser.c: Include "cgraph.h".
12860 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12862 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12863 than -fno-unit-at-a-time.
12864 * doc/invoke.texi (Option Summary): Mention
12865 -fno-toplevel-reorder.
12866 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12867 -funit-at-a-time documentation.
12869 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12870 Kazu Hirata <kazu@codesourcery.com>
12872 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12874 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12876 * Makefile.in (FUNCTION_H): New. Use it instead of
12877 function.h throughout the file.
12878 * function.h: Include tree.h.
12880 2006-01-17 Ben Elliston <bje@au.ibm.com>
12882 * recog.c: Separate some functions with whitespace.
12884 2006-01-16 Richard Henderson <rth@redhat.com>
12886 Merge from gomp branch:
12887 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12888 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12889 and rename from struct inline_data. Rename callee* to dst*;
12890 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12891 transform_new_cfg, transform_return_to_modify, and
12892 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12894 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12895 (copy_decl_for_dup): Remove.
12896 * tree-inline.c (struct inline_data): Move to header.
12897 (insert_decl_map): Export.
12898 (remap_decl): Update for member name changes. Use copy_decl hook.
12899 Allow for replacement to be a non-decl. Remove dead code.
12900 (remap_type_1): Check for existing mapping.
12901 (remap_type): Export.
12902 (remap_decls): Update for member name changes.
12903 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12904 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12905 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12906 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12907 (tree_function_versioning, build_duplicate_type): Likewise.
12908 (copy_body_r): Likewise. Export.
12909 (copy_decl_for_dup): Split into ...
12910 (copy_decl_for_dup_finish, copy_decl_to_var,
12911 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12912 (replace_ref_tree, inlining_p): Remove.
12914 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12916 * ifcvt.c (if_convert): Make it static.
12917 * rtl.h: Remove the prototype for if_convert.
12919 * local-alloc.c (local_alloc): Make it static.
12920 * rtl.h: Remove the prototype for local_alloc.
12922 * loop.c (loop_optimize): Make it static.
12923 * cfgloop.h: Remove the prototype for loop_optimize.
12926 2006-01-16 DJ Delorie <dj@redhat.com>
12928 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12931 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12933 * pa.md: Disparage copies between general and floating-point registers
12934 in 32-bit move patterns.
12936 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12939 * Makefile.in (check-%): Depend on site.exp instead of
12940 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12943 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12945 * global.c (global_alloc): Make it static.
12946 * rtl.h: Remove the prototype for global_alloc.
12948 2006-01-16 Richard Guenther <rguenther@suse.de>
12950 * tree-ssa-alias.c (struct used_part): Add write_only field.
12951 (get_or_create_used_part_for): Initialize it to true.
12952 (create_overlap_variables_for): Don't create structure variables
12953 for structures that only are written to.
12954 (find_used_portions): Handle MODIFY_EXPR to track whether a
12955 structure is only written to.
12957 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12959 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12961 * basic-block.h: Remove the prototype for
12962 partition_hot_cold_basic_blocks.
12964 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12966 * cppspec.c (lang_specific_spec_functions): Remove.
12967 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12968 * gcc.h (lang_specific_spec_functions): Remove.
12969 * gccspec.c (lang_specific_spec_functions): Remove.
12971 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12973 * combine.c (record_value_for_reg): Invalidate registers
12975 (record_dead_and_set_regs_1): Likewise, by passing them to
12976 record_value_for_reg.
12977 (record_dead_and_set_regs): Invalidate stores made by a
12978 call. We do not combine across a call, but we still
12979 relied on equivalences.
12981 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12983 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12984 vrp_int_const_binop returning non-constant nodes.
12986 2006-01-16 Paul Brook <paul@codesourcery.com>
12988 * config/m68k/m68k.c (output_move_const_into_data_reg):
12989 Output correct mnemonic for mvz and mvs.
12991 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12993 * rtl-factoring.c: Add sequence abstraction algorithm.
12994 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12995 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12997 (block_has_preserve_label): New function.
12998 * common.opt: Register new pass.
12999 * Makefile.in: Ditto.
13001 * timevar.def: Ditto.
13002 * tree-pass.h: Ditto.
13003 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13004 * rtl.h (make_jump_insn_raw): Add forward decl.
13005 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13007 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13008 Roger Sayle <roger@eyesopen.com>
13010 * fold-const.c (fold_minmax): New static function.
13011 (fold_binary) <MIN_EXPR>: Call it.
13012 <MAX_EXPR>: Likewise.
13013 * stor-layout.c (place_field): Use DECL_SIZE consistently
13014 in the computation of the new record size.
13016 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13018 * cse.c (cse_condition_code_reg): Make it static.
13019 * rtl.h: Remove the prototype for cse_condition_code_reg.
13021 * combine.c (combine_instructions): Make it static.
13022 * rtl.h: Remove the prototype for combine_instructions.
13024 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13027 * tree.c (get_file_function_name_long): Concatenate the first global
13028 object name with a string derived from the input filename of the object
13031 2006-01-16 Ben Elliston <bje@au.ibm.com>
13033 * config/i386/winnt-stubs.c: Update FSF address.
13034 * config/xtensa/ieee754-df.S: Ditto.
13035 * config/xtensa/ieee754-sf.S: Ditto.
13037 2006-01-14 Ian Lance Taylor <ian@airs.com>
13039 * ifcvt.c (noce_init_if_info): New static function, broken out of
13040 noce_process_if_block.
13041 (noce_process_if_block): Call noce_init_if_info.
13042 (check_cond_move_block): New static function.
13043 (cond_move_process_if_block): New static function.
13044 (process_if_block): Call cond_move_process_if_block.
13046 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13048 * cselib.c (hash_table): Rename to cselib_hash_table.
13049 (cselib_clear_table, discard_useless_values,
13050 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13051 cselib_init, cselib_finish): Adjust uses of hash_table.
13053 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13055 PR tree-optimization/25485
13056 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13057 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13058 is known to be false and true, respectively.
13060 2006-01-14 Richard Guenther <rguenther@suse.de>
13062 PR tree-optimization/22548
13063 PR tree-optimization/22555
13064 PR tree-optimization/22501
13065 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13066 * params.def (salias-max-array-elements): New parameter.
13067 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13068 * doc/invoke.texi (salias-max-array-elements): Document.
13069 * tree-flow-inline.h (var_can_have_subvars): We also handle
13071 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13073 * tree-ssa-structalias.c (params.h): Include.
13074 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13075 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13076 (get_constraint_for): For ADDR_EXPR operating on something
13077 containing an ARRAY_REF, add all subvars to the solution.
13078 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13079 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13080 for creating MUST_DEFs.
13081 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13083 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13085 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13087 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13088 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13089 number_of_iterations_le): New functions.
13090 (number_of_iterations_special): Removed.
13091 (number_of_iterations_exit): Do not use number_of_iterations_special.
13092 * tree.c (unsigned_type_for): Always return integer type.
13094 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13095 Richard Guenther <rguenther@suse.de>
13097 PR rtl-optimization/24257
13098 * gcse.c (find_moveable_store): Only consider a store movable
13099 when the SET_SRC of the insn can be assigned to a register.
13101 2006-01-14 Ian Lance Taylor <ian@airs.com>
13103 * tree.c (tree_not_class_check_failed): New function.
13104 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13105 (tree_not_class_check_failed): Declare.
13107 2006-01-13 Ian Lance Taylor <ian@airs.com>
13109 * reload1.c (do_output_reload): Add assertion rejecting a
13112 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13114 * combine.c (struct reg_stat): Add new fields truncation_label and
13116 (record_value_for_reg): Reset truncated_to_mode.
13117 (record_truncated_value): New function.
13118 (check_promoted_subreg): Call it. Rename to check_conversions.
13119 (combine_instructions): Rename check_promoted_subreg to
13121 (reg_truncated_to_mode): New function.
13122 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13123 (gen_lowpart_or_truncate): New function.
13124 (force_to_mode): Use it instead of gen_lowpart.
13126 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13128 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13129 VAR is a tag, not its type tag.
13131 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13133 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13134 alternatives to match style of other entries.
13135 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13137 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13139 PR tree-optimization/25771
13140 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13143 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13146 * tree-inline.c (declare_return_variable): If the return variable
13147 was marked as a non gimple complex, set the return slot variable
13148 to be a non gimple comple variable.
13150 2006-01-13 Richard Guenther <rguenther@suse.de>
13152 * builtins.c (expand_builtin_sincos): New function.
13153 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13155 (expand_builtin): Expand sincos using expand_builtin_sincos.
13157 2006-01-12 DJ Delorie <dj@redhat.com>
13159 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13160 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13161 so that constant shifts can be split.
13162 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13163 (m32c_valid_pointer_mode): Make static.
13164 (shift_gen_func_for): New.
13165 (m32c_prepare_shift): Use it. Split large const shifts into
13167 * config/m32c/predicates.md (shiftcount_operand): Allow more
13169 (longshiftcount_operand): New.
13170 * doc/md.texi (Machine Constraints): Document In6.
13172 2006-01-13 Ben Elliston <bje@au.ibm.com>
13174 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13175 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13178 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13180 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13181 to try to avoid clobbering pieces of structures when we know
13182 something about the whole structure.
13183 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13185 2006-01-13 Ben Elliston <bje@au.ibm.com>
13187 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13188 return in memory, as this is no limitation is no longer present.
13190 2006-01-12 DJ Delorie <dj@redhat.com>
13192 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13193 mova with fb, and for fb+0 -> An.
13195 * config/m32c/mov.md (peephole2): Fix enabling logic.
13197 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13198 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13199 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13200 FINI_ARRAY_SECTION_ASM_OP): Define.
13202 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13204 (m32c_legitimize_reload_address): New logic to reload FB to An.
13205 (m32c_output_reg_push): Add newline.
13206 (m32c_output_reg_pop): Likewise.
13208 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13210 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13212 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13214 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13216 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13218 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13221 2006-01-11 Ben Elliston <bje@au.ibm.com>
13223 * rtlanal.c (find_reg_note): Assert insn is not null.
13225 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13227 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13230 2006-01-11 Jeff Law <law@redhat.com>
13232 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13234 (mark_threaded_blocks, register_jump_thread): New functions.
13235 (thread_through_all_blocks): Remove unwanted argument. No
13236 longer rely on e->aux to communicate thread target info.
13237 Call mark_threaded_blocks. Release the threaded_blocks
13238 bitmap and threaded_edges vector when complete.
13239 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13240 (threaded_blocks): Remove.
13241 (tree_ssa_dominator_optimize): Remove initialization and
13242 finalization of threaded_blocks. Simplify call to
13243 thread_through_all_blocks.
13244 (thread_across_edge): Call register_jump_thread rather than
13245 storing thread information into e->aux.
13246 (free_all_edge_infos): Simplify now that e->aux is no longer
13247 used to communicate with thread_through_all_blocks.
13248 * tree-flow.h (thread_through_all_blocks): Update prototype.
13249 (register_jump_thread): Prototype.
13251 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13253 * df-core.c (df_compact_blocks, df_bb_replace): Use
13254 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13256 2006-01-11 Richard Guenther <rguenther@suse.de>
13258 PR tree-optimization/25734
13259 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13260 stop propagation after successful propagation to the LHS.
13262 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13264 * basic-block.h (control_flow_graph): Change the type of
13265 x_basic_block_info to VEC(basic_block,gc) *.
13266 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13268 (SET_BASIC_BLOCK): New.
13269 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13270 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13271 * cfgbuild.c (find_basic_blocks): Likewise.
13272 * cfglayout.c (fixup_reorder_chain): Likewise.
13273 * cfgrtl.c (create_basic_block_structure,
13274 rtl_create_basic_block): Likewise.
13275 * ifcvt.c (find_if_case_1): Likewise.
13276 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13279 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13281 * Makefile.in: Removed rotted odf.c entry.
13283 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13286 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13287 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13288 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13289 output pattern modifier, not %e.
13290 * config/cris/cris.c (cris_op_str): Update comment about pattern
13292 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13293 before falling through into...
13294 <case 'E'>: Redefined from old 'e' case.
13296 2006-01-11 Jan Hubicka <jh@suse.cz>
13299 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13301 2006-01-11 Jan Hubicka <jh@suse.cz>
13303 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13304 * i386.c (x86_decompose_lea): Kill.
13305 (ix86_rtx_costs): Kill.
13307 2006-01-11 Jan Hubicka <jh@suse.cz>
13309 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13310 * cgraph.h (cgraph_node): Add inline_decl.
13311 (cgraph_insert_node_to_hashtable): Declare.
13312 (save_inline_function_body): Declare.
13313 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13315 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13316 (cgraph_function_versioning): Update call of tree_function_versioning.
13317 (save_inline_function_body): New function.
13318 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13319 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13320 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13321 (cgraph_default_inline_p): Likewise.
13322 (cgraph_decide_inlining_incrementally): Likewise.
13323 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13324 (copy_bb): Kill saving; do updating of clones.
13325 (copy_cfg_body): Kill saving.
13326 (initialize_inlined-parameters): Likewise.
13327 (expand_call_inline): Likewise.
13329 (tree_function_versioning): New parameter "update_clones".
13330 (inlining_p): Kill saving.
13331 * tree-inline.h (tree_function_versioning): Update prototype.
13332 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13335 2006-01-11 Ian Lance Taylor <ian@airs.com>
13337 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13338 Allow undoing set of machine mode.
13339 (do_SUBST): Use enums instead of is_int.
13340 (do_SUBST_MODE): New function.
13341 (SUBST_MODE): New macro.
13342 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13343 reg and trying to replace reg_regno_rtx with a new register.
13344 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13345 (simplify_set): Use SUBST_MODE.
13346 (distribute_notes): Remove code that tried to update reg notes
13347 for regno_reg_rtx changes.
13349 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13351 PR tree-optimization/23109
13352 PR tree-optimization/23948
13353 PR tree-optimization/24123
13355 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13356 * tree-cfg.c (single_noncomplex_succ): New.
13357 * tree-flow.h (single_noncomplex_succ): Declare it.
13358 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13359 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13360 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13361 insert_bb, register_division_in, insert_reciprocals,
13362 replace_reciprocal, free_bb): New.
13363 (execute_cse_reciprocals_1): Rewritten.
13364 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13365 Do not commit any edge insertion. Always compute dominators and
13366 create the allocation pool.
13367 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13368 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13369 * targhooks.c (default_min_divistions_for_recip_mul): New.
13370 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13371 * passes.c (init_optimization_passes): Run recip after tree loop
13373 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13375 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13376 Kenneth Zadeck <zadeck@naturalbridge.com>
13378 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13379 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13380 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13381 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13382 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13383 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13384 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13385 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13386 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13387 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13388 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13389 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13390 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13391 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13392 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13393 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13394 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13395 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13396 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13397 DF_SCAN_POST_ALLOC): New macros.
13398 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13399 df_free_bb_function, df_local_compute_function, df_init_function,
13400 df_dataflow_function, df_confluence_function_0,
13401 df_confluence_function_n, df_transfer_function,
13402 df_finalizer_function, df_free_function, df_dump_problem_function,
13403 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13404 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13405 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13406 df_urec_bb_info, ) New types.
13407 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13409 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13410 df_analyze_simple_change_some_blocks,
13411 df_analyze_simple_change_one_block, df_compact_blocks,
13412 df_bb_replace, df_bb_regno_last_use_find,
13413 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13414 df_insn_regno_def_p, df_find_def, df_find_use,
13415 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13416 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13417 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13418 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13419 debug_df_chain, df_get_dependent_problem, df_chain_create,
13420 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13421 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13422 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13423 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13424 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13425 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13426 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13427 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13428 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13429 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13430 df_reorganize_refs, df_set_state, df_hard_reg_init,
13431 df_read_modify_subreg_p) New public functions.
13432 * df-core.c: The core dataflow solver and glue routines for rtl
13434 (df_init, df_add_problem, df_set_blocks, df_finish,
13435 df_hybrid_search_forward, df_hybrid_search_backward,
13436 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13437 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13438 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13439 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13440 df_reg_defined, df_find_use, df_reg_used, df_dump,
13441 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13442 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13443 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13444 debug_df_useno, reset_df_after_reload): New functions.
13445 * df-scan.c: The scanning fuctions, once in df.c, completely
13446 rewritten so that they now fully model the functionality of
13447 register usage at the backend.
13448 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13449 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13450 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13451 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13452 df_get_artificial_defs, df_get_artificial_uses,
13453 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13454 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13455 df_refs_delete, df_reorganize_refs, df_set_state,
13456 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13457 df_def_record_1, df_defs_record, df_uses_record,
13458 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13459 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13460 df_record_exit_block_uses, df_hard_reg_init): New functions.
13462 * df-problems.c: Seven concrete dataflow problems that use the
13463 scanning in df-scan.c and are solved by the engine in df-core.c.
13464 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13465 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13466 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13467 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13468 df_ru_free_bb_info, df_ru_alloc,
13469 df_ru_bb_local_compute_process_def,
13470 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13471 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13472 df_ru_transfer_function, df_ru_free, df_ru_dump,
13473 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13474 df_rd_free_bb_info, df_rd_alloc,
13475 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13476 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13477 df_rd_transfer_function, df_rd_free, df_rd_dump,
13478 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13479 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13480 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13481 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13482 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13483 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13484 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13485 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13486 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13487 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13488 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13489 df_urec_mark_reg_use_for_earlyclobber,
13490 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13491 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13492 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13493 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13494 df_chain_create_bb_process_use, df_chain_create_bb,
13495 df_chain_finalize, df_chain_free, df_chains_dump,
13496 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13497 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13498 df_reg_lifetime): New functions.
13499 * df.c: Deleted file.
13500 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13501 consistent with new df api.
13502 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13503 rest_of_handle_sms): Ditto.
13504 * web.c (unionfind_union, union_defs, entry_register, web_main):
13506 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13507 invariant_expr_equal_p, find_defs, check_dependencies,
13508 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13509 free_inv_motion_data, move_loop_invariants): Ditto.
13510 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13511 Update dependencies.
13512 (odf.c): Added defective entry that was deleted later in day.
13513 * sched-deps.c (sched_analyze_1): Ditto.
13515 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13517 * tree-ssa-operands.c (get_expr_operands): Record addressable
13518 variables directly. Do not call add_stmt_operands for CONST_DECLs
13520 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13521 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13523 2006-01-11 Ben Elliston <bje@au.ibm.com>
13525 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13526 function returns true in the positive case.
13528 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13531 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13532 for SI, DI, SF and DF modes. Add alternatives to copy between
13533 general and floating point registers to the 32-bit patterns.
13534 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13535 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13536 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13537 generating 64-bit code.
13538 * config/pa/pa.c (output_move_double): Handle copies between general
13539 and floating registers.
13541 2006-01-10 Stuart Hastings <stuart@apple.com>
13543 * config/i386/i386.md (set_got): Update.
13544 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13545 (builtin_setjmp_receiver): Mach-O support.
13546 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13547 (GOT_SYMBOL_NAME): Define.
13548 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13549 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13550 * config/i386/i386.c (override_options): Revise for Darwin.
13551 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13552 support. (darwin_x86_file_end): New. (output_set_got): Add label
13553 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13554 * config/i386/i386-protos.h (output_set_got): Likewise.
13555 * config/darwin.c (machopic_legitimize_pic_address): Update
13558 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13560 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13561 when MODE isn't BLKmode.
13563 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13565 PR rtl-optimization/25367
13566 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13568 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13571 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13572 for a negative bound.
13574 2006-01-10 Richard Guenther <rguenther@suse.de>
13576 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13577 Never override with anything constraint.
13579 2006-01-10 Jan Beulich <jbeulich@novell.com>
13581 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13582 256 bits when optimize_size.
13584 2006-01-10 Jan Beulich <jbeulich@novell.com>
13586 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13588 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13589 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13592 2006-01-10 Ben Elliston <bje@au.ibm.com>
13594 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13596 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13597 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13598 (USE_FP_FOR_ARG): Reject decimal float modes.
13599 (function_arg_advance): Likewise.
13600 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13601 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13602 point types in AltiVec vectors.
13603 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13604 (rs6000_libcall_value): Likewise.
13606 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13608 * config/xtensa/ieee754-df.S: New file.
13609 * config/xtensa/ieee754-sf.S: New file.
13610 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13611 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13612 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13614 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13616 * config/sh/predicates.md (binary_float_operator,
13617 binary_logical_operator, commutative_float_operator,
13618 equality_comparison_operator, greater_comparison_operator,
13619 less_comparison_operator, logical_operator,
13620 noncommutative_float_operator, shift_operator,
13621 symbol_ref_operand, unary_float_operator): Remove redundant
13624 2006-01-09 Jeff Law <law@redhat.com>
13626 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13627 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13628 now unused arguments. Callers updated.
13629 (eliminate_redundant_computations): Remove now unused arguments,
13631 (local_fold): Remove, no longer used.
13632 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13634 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13635 (simplify_cond): New function.
13636 (forward_propagate_into_cond): Call simplify_cond.
13638 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13640 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13641 (*vec_extractv2di_1_sse): New.
13643 2006-01-09 Ben Elliston <bje@au.ibm.com>
13645 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13647 2006-01-08 Richard Guenther <rguenther@suse.de>
13649 * tree-ssa-structalias.c (get_constraint_for): Remove
13650 anyoffset argument.
13651 (get_constraint_for_component_ref): Likewise.
13652 (do_deref): Likewise.
13653 (get_constraint_for): Likewise.
13654 (do_structure_copy): Likewise.
13655 (handle_ptr_arith): Likewise.
13656 (find_func_aliases): Likewise. Remove unused need_anyoffset
13659 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13660 Kaz Kojima <kkojima@gcc.gnu.org>
13662 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13663 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13664 (EXTRA_CONSTRAINT_C16): Remove.
13665 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13666 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13667 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13668 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13669 constants of SHmedia. Handle nested constant expressions of
13671 (andcosts): Fix the costs for SHmedia constants.
13672 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13673 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13674 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13675 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13676 (movv4hi_i, movv2si_i): Likewise.
13677 (movsi_const): Adjust the second operand of ior so to match with
13678 the Csu constraint.
13679 (movdi_const, movdi_const_32bit): Likewise.
13680 (movdi_const_16bit+1): Don't sign-extend LOW.
13681 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13683 (*double_shori): Fix the split condition. Use GEN_INT instead
13684 of get_int_mode calls. Mask lower 16-bit of the argument of
13686 (sym2GOTPLT): Remove.
13687 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13689 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13690 instead of EXTRA_CONSTRAINT_C16.
13692 2006-01-07 Ian Lance Taylor <ian@airs.com>
13693 David Edelsohn <edelsohn@gnu.org>
13695 PR rtl-optimization/25662
13696 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13697 for constant operands instead of simplify_gen_binary.
13698 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13699 after trying simplify_binary_operation
13701 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13703 * tree.c (iterative_hash_expr): Hash decls based on UID.
13705 2006-01-06 Eric Christopher <echristo@apple.com>
13707 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13708 (TARGET_UNWIND_EMIT): Fix spelling.
13709 * target.h (gcc_target): Add except_table_label.
13710 * except.c (output_function_exception_table): Use.
13711 * varasm.c (default_emit_except_table_label): New.
13712 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13714 (asm_out): Add here.
13715 * output.h (default_emit_except_table_label): Prototype.
13716 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13717 * config/darwin.c (darwin_emit_except_table_label): Define.
13718 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13720 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13722 PR tree-optimization/18527
13723 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13724 number_of_iterations_special, number_of_iterations_exit):
13725 Move base and step of an iv to a single structure. Add
13726 no_overflow flag, and use it in # of iterations analysis.
13727 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13728 folded_casts argument.
13729 (simple_iv): Pass base and step in a structure. Set no_overflow
13731 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13732 Evaluate expensiveness of computing # of iterations instead of
13733 the final expression.
13734 * tree-scalar-evolution.h (affine_iv): New structure.
13735 (simple_iv): Declaration changed.
13736 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13737 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13738 find_givs_in_stmt): Changed due to simple_iv change.
13740 2006-01-06 Jeff Law <law@redhat.com>
13743 * tree-cfg.c (bsi_replace): Rename final argument from
13744 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13745 change (stmt -> orig_stmt).
13746 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13747 (bsi_remove): Add new argument. Remove EH information
13749 (verify_eh_throw_table_statements): New function.
13750 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13752 * tree-optimize.c (execute_free_cfg_annotations): Verify
13753 the EH throw statement table after removing annotations.
13754 * except.h (verify_eh_throw_table_statements): Prototype.
13755 * tree-flow.h (bsi_remove): Update prototype.
13756 * tree-vrp.c (remove_range_assertions): Add new argument to
13758 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13759 * tree-complex.c (expand_complex_div_wide): Likewise.
13760 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13761 * tree-tailcall.c (eliminate_tailcall): Likewise.
13762 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13763 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13764 * tree-nrv.c (tree_nrv): Likewise.
13765 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13766 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13767 (combine_blocks): Likewise.
13768 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13769 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13770 (cleanup_control_flow): Likewise.
13771 (remove_forwarder_block): Likewise.
13772 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13773 * tree-sra.c (sra_replace): Likewise.
13774 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13775 (forward_propagate_single_use_vars): Likewise.
13776 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13777 * tree-inline.c (expand_call_inline): Likewise.
13778 * tree-vect-transform.c (vect_transform_loop): Likewise.
13779 * tree-outof-ssa.c (rewrite_trees): Likewise.
13780 * tree-cfg.c (make_goto_expr_edges): Likewise.
13781 (cleanup_dead_labels): Likewise.
13782 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13783 (bsi_move_before, bsi_move_after): Likewise.
13784 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13785 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13787 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13790 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13792 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13793 on non gimple variables. Also add checks at the top for decls and
13795 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13797 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13798 and IMAGPART_EXPR for creating MUST_DEFs.
13799 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13800 and NAME_MEMORY_TAG separately from the DECLs.
13802 2006-01-06 Richard Guenther <rguenther@suse.de>
13804 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13805 annotation, if necessary.
13806 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13807 redundant calls to update_stmt.
13808 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13811 2006-01-05 Richard Henderson <rth@redhat.com>
13813 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13815 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13817 * c-typeck.c: Update copyright date.
13819 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13821 * c-typeck.c (build_c_cast): Always warn when casting
13822 from a pointer to an integer of different size, even if
13823 the node was constant.
13825 2006-01-05 Richard Guenther <rguenther@suse.de>
13827 PR tree-optimization/22555
13828 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13829 if one structure field is an array.
13830 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13831 operands even if we found a subvar, but ignore VOPs in this
13833 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13835 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13837 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13839 PR middle-end/24998
13840 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13842 2006-01-05 Richard Guenther <rguenther@suse.de>
13843 Diego Novillo <dnovillo@redhat.com>
13845 * tree-pass.h (TODO_remove_unused_locals): Define.
13846 * gimple-low.c (expand_var_p, remove_useless_vars,
13847 pass_remove_useless_vars): Remove. Update all users.
13848 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13849 (remove_unused_locals): New function.
13850 * tree-flow.h (remove_unused_locals): Declare.
13851 * passes.c (execute_todo): Call remove_unused_locals if
13852 TODO_remove_unused_locals is set.
13853 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13854 * tree-ssa-dce.c (pass_dce): Likewise.
13855 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13857 2006-01-05 Richard Guenther <rguenther@suse.de>
13859 * tree-flow.h (struct fieldoff): Decompose field to
13860 type, size and decl.
13861 * tree-ssa-alias.c (create_sft): Take type as parameter.
13862 (create_overlap_variables_for): Store type, size and decl
13863 in the fieldoff structure.
13864 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13865 of struct fieldoff.
13866 (push_fields_onto_fieldstack): Likewise.
13867 (create_variable_info_for): Likewise. Use offset for the
13868 SFT name if the decl is not available.
13870 2006-01-04 Paul Brook <paul@codesourcery.com>
13872 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13874 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13876 * lambda-code.c (can_put_in_inner_loop): Relax
13878 (can_put_after_inner_loop): New function.
13879 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13880 (perfect_nestify): Change to make copies and modify uses.
13882 2006-01-04 Richard Henderson <rth@redhat.com>
13884 Merge from gomp branch:
13885 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13886 via integer constant.
13887 (pragma_lex): Remove.
13888 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13889 rather than parsing it.
13890 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13891 handle_pragma_extern_prefix): Add %< %> quotes.
13892 (registered_pragmas): New.
13893 (c_register_pragma_1): New.
13894 (c_register_pragma): Use it.
13895 (c_register_pragma_with_expansion): Likewise.
13896 (c_invoke_pragma_handler): New.
13897 (init_pragma): Use cpp_register_deferred_pragma directly for
13899 * c-pragma.h (enum pragma_kind): New.
13900 (pragma_handler): New.
13901 (c_invoke_pragma_handler): Declare.
13902 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13904 * c-common.h (c_common_pch_pragma): Update decl.
13905 * Makefile.in (c-parser.o): Update dependencies.
13906 (GTFILES): Add c-pragma.h.
13907 * c-parser.c (struct c_token): Add pragma_kind.
13908 (struct c_parser): Add in_pragma.
13909 (c_lex_one_token): Always initialize keyword and pragma_kind.
13910 Extract data for CPP_PRAGMA.
13911 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13912 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13913 Don't allow CPP_PRAGMA_EOL if in_pragma.
13914 (c_parser_consume_pragma): New.
13915 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13916 (c_parser_skip_to_end_of_parameter): Likewise.
13917 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13918 (c_parser_skip_to_pragma_eol): New.
13919 (c_parser_external_declaration): Handle CPP_PRAGMA.
13920 (c_parser_compound_statement_nostart): Likewise.
13921 (c_parser_statement_after_labels): Likewise.
13922 (c_parser_pragma): New.
13923 (pragma_lex): Likewise.
13924 (c_parser_pragma_pch_preprocess): New.
13925 (c_parser_new): Merge into ...
13926 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13928 2006-01-04 Jeff Law <law@redhat.com>
13931 * tree-cfg.c (bsi_replace): Remove the original statement
13932 from the EH throw statement table.
13934 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13936 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13937 make the prototype extern "C" and add throw ().
13940 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13941 and pos non-negative and pos + len <= 32.
13942 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13943 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13944 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13947 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13948 as well as sizes not multiple of component size.
13951 * function.c (instantiate_expr): New function.
13952 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13953 walk its DECL_VALUE_EXPR with instantiate_expr.
13955 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13956 DW_OP_deref{,_size} if address isn't going to be added.
13958 2006-01-04 Ben Elliston <bje@au.ibm.com>
13960 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13961 * config/fp-bit.c: Likewise.
13963 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13965 * dominance.c: Add comment about why we use DFS numbering
13968 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13969 Richard Henderson <rth@redhat.com>
13971 Merge from gomp-branch:
13972 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13973 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13975 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13977 PR rtl-optimization/25578
13978 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13979 pass a parameter to simplify_shift_const if changing ASHIFTRT
13982 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13984 * builtins.c (get_builtin_sync_mem): New function.
13985 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13986 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13987 Call get_builtin_sync_mem to generate mem rtx.
13989 2006-01-03 Richard Guenther <rguenther@suse.de>
13992 * stmt.c (add_case_node): Make sure to clear overflow flags
13995 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13997 Merge from gomp-branch.
13998 * config/sparc/sync.md: New file.
13999 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14000 UNSPECV_LDSTUB): New constants.
14001 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14002 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14003 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14006 2006-01-03 Roger Sayle <roger@eyesopen.com>
14008 * combine.c (reg_subword_p): New predicate to test whether the
14009 destination of a set refers to a subword/piece of a register.
14010 (try_combine): Generalize the code to merge the setting of a
14011 pseudo to a constant followed by a set of a subword of that
14012 register to a constant.
14014 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14016 * basic-block.h (control_flow_graph): Change the type of
14017 x_label_to_block_map to VEC(basic_block,gc) *.
14018 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14019 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14021 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14022 VEC(basic_block,heap) *.
14023 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14024 ssa_prop_fini): Adjust the uses of cfg_blocks.
14026 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14028 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14030 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14031 hashing trees instead of a pointer hash.
14032 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14033 compare for MEM_EXPR.
14035 PR rtl-optimization/25130
14036 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14037 when comparing MEMs for GCSE
14039 2006-01-03 Ben Elliston <bje@au.ibm.com>
14041 * targhooks.h (default_decimal_float_supported_p): Declare.
14042 * targhooks.c (default_decimal_float_supported_p): Define.
14043 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14044 `default_decimal_float_supported_p'.
14045 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14047 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14049 * combine.c (apply_distributive_law <SUBREG>): Check
14050 TRULY_NOOP_TRUNCATION.
14052 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14054 * dwarf2out.c (have_switched_text_section): Delete.
14055 (have_multiple_function_sections): New.
14056 (have_location_lists): Make 'bool'.
14057 (add_AT_loc_list): Use 'true' not '1'.
14058 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14059 (output_loc_list): Use have_multiple_function_sections.
14060 (output_ranges): Likewise.
14061 (dwarf2out_begin_function): Set have_multiple_function_sections if
14063 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14064 Check function_section rather than DECL_SECTION_NAME.
14065 (dwarf2out_finish): Use have_multiple_function_sections.
14066 Don't clear have_location_lists.
14068 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14069 Jan Hubicka <jh@suse.cz>
14071 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14072 case of conditional jump jumping to the next instruction.
14073 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14074 cases of conditional jump jumping to the next instruction.
14076 2006-01-02 Jan Hubicka <jh@suse.cz>
14078 * i386.c (*_cost): Add COSTS_N_INSNS.
14079 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14081 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14084 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14086 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14088 * config/arm/arm.c (all_fpus): Fix comment typo.
14089 * config/darwin.c: Likewise.
14090 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14091 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14092 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14094 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14096 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14097 (rs6000_split_compare_and_swapqhi): New.
14098 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14099 (sync_compare_and_swapqhi_internal): New.
14100 * config/rs6000/rs6000-protos.h: Declare.