1 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3 PR rtl-optimization/28071
4 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6 * tree-into-ssa.c (struct dom_dfsnum): New.
7 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
9 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
10 compute_global_livein.
11 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
12 in phi nodes in the correct blocks.
14 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
16 PR tree-optimization/28364
17 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
19 (fold_affine_expr): New function.
20 (may_eliminate_iv): Use fold_affine_expr.
22 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
25 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
28 2006-08-16 Mike Stump <mrs@apple.com>
30 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
31 * doc/cppopts.texi (-MD): Likewise.
33 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
36 * c-common.c (handle_weak_attribute): Ignore and warn if
37 not a FUNCTION_ or VAR_DECL.
39 2006-07-15 Mike Stump <mrs@apple.com>
42 * c-parser.c (c_parser_typeof_specifier): Don't use
43 c_finish_expr_stmt, open code desired semantics instead.
45 2006-08-15 Nick Clifton <nickc@redhat.com>
47 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
48 fragment to tmake_file only if threads are enabled.
49 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
50 * config/i386/t-gthr-win32: New file. ... here.
52 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
55 * c-parser.c (c_parser_compound_statement_nostart): Reset
56 parser->error after each statement.
58 2006-08-15 Jakub Jelinek <jakub@redhat.com>
61 * omp-low.c (lower_omp_parallel): Convert t to
63 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
64 source before comparison.
67 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
68 to itype in assignment to oldival2.
70 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
74 * c-typeck.c (build_compound_expr): If the second expression
75 is an error mark, then just return an error mark instead of
76 creating a COMPOUND_EXPR.
78 2006-07-14 Mike Stump <mrs@apple.com>
80 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
82 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
84 * c-decl.c, var-tracking.c: Fix comment typos.
86 2006-08-14 Richard Sandiford <richard@codesourcery.com>
88 PR rtl-optimization/28634
89 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
90 for floating-point modes unless flag_unsafe_math_optimizations.
92 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
93 Andrew Pinski <pinskia@physics.uc.edu>
96 * tree.c (build_array_type): Unify array types with
97 unspecified index_type.
98 * c-decl.c (grokdeclarator): Make sure we do not modify a
99 unified incomplete array type.
100 * c-typeck.c (store_init_value): Create distinct type before
101 filling in the index type in an initializer from a compound
104 * c-decl.c (grokdeclarator): Remove code where we copy the
107 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
109 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
110 into account for TODO_dump_cgraph.
111 (TODO_update_ssa_no_phi): Likewise.
112 (TODO_update_ssa_full_phi): Likewise.
113 (TODO_update_ssa_only_virtuals): Likewise.
114 (TODO_remove_unused_locals): Likewise.
115 (TODO_set_props): Likewise.
116 (TODO_update_stmt_usage): Likewise.
118 2006-08-13 Dirk Mueller <dmueller@suse.de>
120 * c-common.c (strict_aliasing_warning): Fix formatting.
122 2006-08-13 Matthias Klose <doko@debian.org>
124 * doc/invoke.texi: Fix spelling errors.
126 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
128 PR rtl-optimization/23454
129 * reorg.c (relax_delay_slots): Update comment.
131 2006-08-11 Richard Guenther <rguenther@suse.de>
134 * simplify-rtx.c (simplify_const_relational_operation):
135 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
138 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
140 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
141 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
143 2006-08-10 Paul Brook <paul@codesourcery.com>
145 * final.c (final_scan_insn): Clear current_insn_predicate before
146 outputting inline asm.
148 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
150 PR tree-optimization/26197
151 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
152 get_ref_base_and_extent and overlap_subvar to add only relevant
153 subvars as may-aliases.
154 (add_may_alias_for_new_tag): New function, factored out of
156 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
157 with additional argument.
158 * tree-flow.h (new_type_alias): Takes additional argument.
160 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
162 * gcov.c (no_data_file): New flag.
163 (read_count_file): Set it if data file not present. Assume counts
165 (output_lines): Don't name the data file, if there wasn't one.
167 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
169 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
170 (rs6000_generate_compare): Tweak comments.
171 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
173 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
175 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
176 (var_debug_decl): New function.
177 (var_reg_set): Follow debug decl link. Add location even if
178 reg is already known to hold some other variable.
179 (var_mem_set): Follow debug decl link.
180 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
181 decl link. Delete other known locations of the variable part
183 (var_reg_delete, var_mem_delete): Delete other known locations
184 of the variable part if requested.
185 (same_variable_part_p): New function.
186 (add_stores): Select MO_COPY when appropriate.
187 (vt_initialize): Handle it.
188 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
189 known locations for MO_SET and MO_CLOBBER.
190 (find_variable_location_part): New function.
191 (set_variable_part, delete_variable_part): Use it.
192 (clobber_variable_part): New function.
193 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
196 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
198 PR tree-optimization/26969
199 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
200 with an empty list of PHIs.
202 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
206 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
209 2006-08-06 Andreas Schwab <schwab@suse.de>
211 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
212 string. Whitespace and comment fixup.
214 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
217 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
221 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
224 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
226 2006-08-04 Jan Hubicka <jh@suse.cz>
230 * reload.c (push_reload): Patch out the mismatching instruction;
232 (find_reload): Bail out if the instruction was patched out.
234 2006-08-04 Jan Hubicka <jh@suse.cz>
236 PR tree-optimization/24888
237 * tree-inline.c (expand_call_inline): Do not re-record variables.
238 (declare_inline_vars): Add variable to unexpanded_var_list.
240 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
241 Roger Sayle <roger@eyesopen.com>
243 PR rtl-optimization/26244
244 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
245 inner_const are negative or greater than or equal to the bitsize of
246 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
247 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
248 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
249 CONST0_RTX (mode) when the new shift count is greater than or equal to
250 to the bitsize of the object being shifted and XEXP (y, 0) has no side
253 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
255 * tree-cfg.c: Fix a comment typo.
257 2006-08-03 Mark Mitchell <mark@codesourcery.com>
260 * varasm.c (output_constant): Give the front end another chance to
261 expand constants, after stripping NOPs.
263 2006-08-03 Jan Hubicka <jh@suse.cz>
265 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
268 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
270 PR tree-optimization/27770
271 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
272 declaration removed (moved to tree-flow.h).
273 (vect_can_force_dr_alignment_p): Likewise.
274 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
275 (moved from tree-vectorizer.h).
276 (vect_can_force_dr_alignment_p): Likewise.
277 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
278 from outside the vectorizer - in particular from cgraph stage.
279 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
280 the alignment of global arrays when -fsection-anchors is enabled.
281 * cgraphunit.c (cgraph_increase_alignment): New function.
282 (cgraph_optimize): Call cgraph_increase_alignment.
284 2006-08-03 David Edelsohn <edelsohn@gnu.org>
287 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
288 not reload a SPE symbol_ref into a lo_sum address.
290 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
293 * dwarf2out.c (prune_unused_types_prune): Move call to
294 prune_unused_types_update_strings to cover the parent DIE also.
296 2006-08-02 Jan Hubicka <jh@suse.cz>
298 PR gcov/profile/28480
299 * tree-cfg.c (change_bb_for_stmt): New function.
300 (tree_merge_blocks, tree_split_blocks): Use it.
302 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
308 * toplev.c (compile_file): Return early on errorcount or sorrycount.
309 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
310 (cgraph_optimize): Likewise.
312 2006-08-01 Stuart Hastings <stuart@apple.com>
314 * rtl.h (UINTVAL) New.
315 * config/rs6000/rs6000.c (SMALL_INT) Use it.
316 * testsuite/gcc.dg/20060801-1.c: New.
318 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
321 * c-typeck.c (build_external_type): Mark used enum types.
322 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
324 (gen_subprogram_die): Whitespace fix.
326 2006-08-01 Jan Hubicka <jh@suse.cz>
328 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
329 bitmap when not needed.
330 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
333 2006-08-01 Dirk Mueller <dmueller@suse.de>
335 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
337 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
339 * Makefile.in: Revert part of previous patch:
340 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
343 2006-07-30 Eric Christopher <echristo@apple.com>
346 * doc/extend.texi (i386 Variable Attributes): Add anchor.
347 (PowerPC Variable Attributes): New section.
349 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
351 PR target/28126 (partial fix)
352 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
354 2006-07-28 Jan Hubicka <jh@suse.cz>
356 PR rtl-optimization/28071
357 * cfgrtl.c (rtl_delete_block): Free regsets.
358 * flow.c (allocate_bb_life_data): Re-use regsets if available.
360 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
362 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
363 and variables used in dependencies.
365 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
367 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
368 %fs for -mcmodel=kernel.
369 (stack_tls_protect_test_di): Likewise.
371 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
373 * Makefile.in: Use mkinstalldirs.
375 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
378 * opts-common.c (prune_options): Skip joined switches.
380 2006-07-27 Jan Hubicka <jh@suse.cz>
382 PR rtl-optimization/28071
383 * cselib.c (cselib_process_insn): Don't remove useless values too
384 often for very large hashtables.
386 2006-07-27 Jan Hubicka <jh@suse.cz>
388 PR rtl-optimization/28071
389 * global.c (greg_obstack): New obstack.
390 (allocate_bb_info): Use it.
391 (free_bb_info): Likewise.
392 (modify_reg_pav): Likewise.
394 2006-07-27 Roger Sayle <roger@eyesopen.com>
396 * builtins.c (fold_fixed_mathfn): When long and long long are the
397 same size, canonicalize llceil*, llfloor*, llround* and llrint*
398 functions to their lceil*, lfloor*, lround* and lrint* forms.
400 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
403 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
405 (rev_branch_insn): Likewise.
407 2006-07-27 Jan Hubicka <jh@suse.cz>
409 PR rtl-optimization/28071
410 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
411 (reg_set_in_bb, max_reg_computed): New static variables.
412 (regmove_optimize): Free the new array.
413 (fixup_match_1): Update call of reg_is_remote_constant_p.
415 2006-07-26 Jan Hubicka <jh@suse.cz>
417 PR tree-optimization/27882
418 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
420 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
422 (cgraph_analyze_compilation_unit): Likewise.
423 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
424 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
425 (cgraph_early_inlinine): Make order garbage collected.
426 * Makefile.in (gt-ipa-inline): New garbagecollected file.
428 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
430 * dbxout.c (output_types_sort): Add a comment.
431 (output_used_types): Free the VEC.
433 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
435 * function.c (reorder_fix_fragments): Delete.
436 (reorder_blocks): Don't call it.
437 (reorder_blocks_1): Put all subblocks under the origin block.
439 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
441 PR rtl-optimization/27907
442 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
445 2006-07-25 Roger Sayle <roger@eyesopen.com>
448 * convert.c (convert_to_integer): When transforming (T)foo(x) into
449 bar(x) check that bar's result type can represent all the values of T.
451 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
453 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
455 2006-07-25 Nick Clifton <nickc@redhat.com>
457 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
459 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
460 (ggc_pch_count_object): Likewise.
461 (ggc_pch_alloc_object): Likewise.
462 (ggc_pch_write_object): Likewise.
463 (init_ggc): Do not attempt to initialize entries in the
464 size_lookup[] array for objects whose size is greater than than
465 the length of the array.
467 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
469 * dbxout.c (output_used_types_helper): Push queued types
471 (output_types_sort): New.
472 (output_used_types): Collect used types on a VEC and sort them
475 2006-07-24 Richard Guenther <rguenther@suse.de>
478 * cgraph.c (cgraph_remove_node): Do not check if dumps
480 * cgraphunit.c (cgraph_optimize): Likewise.
482 2006-07-24 Jan Hubicka <jh@suse.cz>
484 PR rtl-optimization/28071
485 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
486 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
487 splitting before first stmt.
489 2006-07-24 Jan Hubicka <jh@suse.cz>
491 PR rtl-optimization/28071
492 * ipa-inline.c (update_caller_keys): Remove edges that
493 are no longer inline candidates.
495 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
498 * dbxout.c (output_used_types_helper, output_used_types): New.
499 (dbxout_symbol): Call output_used_types.
501 2006-07-23 Jan Hubicka <jh@suse.cz>
505 * cgraph.c (cgraph_varpool_nodes): Export.
506 (decide_is_variable_needed): Ignored "used" attribute in
508 * cgraph.h (cgraph_varpool_nodes): Declare.
509 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
512 2006-07-23 Roger Sayle <roger@eyesopen.com>
515 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
516 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
517 the __gthrw form of thr_keycreate.
518 (__gthread_key_delete): Silence the unused argument warning.
520 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
523 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
524 Cache the last found '\0' marker to avoid quadratic behavior.
526 2006-07-23 Jan Hubicka <jh@suse.cz>
528 * i386.md (subsi_3_zext): Fix output template.
530 2006-07-21 Mike Stump <mrs@apple.com>
532 * doc/invoke.texi (C++ Dialect Options): Note that
533 -fvisibility-inlines-hidden doesn't affect explicitly
534 instantiationed inline methods.
536 2006-07-20 Roger Sayle <roger@eyesopen.com>
538 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
539 if the target assembler is GNU binutils' gas.
540 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
541 whether to pass GNU gas or native as command line options.
543 2006-07-20 Jason Merrill <jason@redhat.com>
545 * tree.c (remove_attribute): New fn.
546 * tree.h: Declare it.
548 2006-07-20 Paul Brook <paul@codesourcery.com>
551 * cse.c (cse_insn): Add destination addresses to hash table. Check if
552 they are invalidated by this instruction.
554 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
557 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
559 2006-07-20 Eric Christopher <echristo@apple.com>
562 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
564 2006-07-19 Eric Christopher <echristo@apple.com>
566 * config/t-slibgcc-darwin (stmp-lipo): Remove.
567 Rewrite dependencies for libgcc_s.1.dylib.
569 2006-07-19 Jakub Jelinek <jakub@redhat.com>
571 * except.c (duplicate_eh_regions_1): Clear next_peer.
573 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
575 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
576 -mlongcall does not guarantee all calls will be long.
577 * doc/extend.texi (long_call/short_call): Document that longcall
578 does not guarantee a long call will be used.
579 (longcall/shortcall): Likewise.
581 2006-07-18 Roger Sayle <roger@eyesopen.com>
584 * expmed.c (expand_shift): Additionally check that the shift_cost
585 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
586 before implementing a LSHIFT_EXPR as a sequence of additions.
587 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
588 middle-end that DImode shifts need to be synthesized by expand.
590 2006-07-18 Diego Novillo <dnovillo@redhat.com>
593 * tree-ssa-operands.c (access_can_touch_variable): Update
595 Return true if ALIAS is .GLOBAL_VAR.
597 2006-07-18 David Daney <ddaney@avtrex.com>
599 * gcc.c (display_help): Fix typo in help text.
601 2006-07-18 Olivier Hainque <hainque@adacore.com>
603 * tree.h (categorize_ctor_elements): Adjust prototype and add
604 descriptive comment, both in accordance with the interface change
606 * varasm.c (constructor_static_from_elts_p): New function.
607 Whether a constructor node is a valid static constant initializer
608 if all its elements are.
609 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
610 * output.h: Declare it.
611 * expr.c (categorize_ctor_elements_1): Return whether the constructor
612 is a valid constant initializer instead of computing the number of
613 non-constant elements. Use constructor_static_from_elts_p for this
614 purpose. Replace the head comment with an indication that this is a
615 helper for categorize_ctor_elements.
616 (categorize_ctor_elements): Same interface change as for the _1
617 helper. Former head comment from this helper moved here, adjusted to
618 account for the interface changes.
619 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
620 (all_zeros_p): Likewise.
621 * gimplify.c (gimplify_init_constructor): Decide whether we can make
622 static versions of the constructor from the categorize_ctor_elements
623 return value instead of the formerly computed number of non-constant
626 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
628 * configure: Regenerate.
629 * Makefile.in (build_libsubdir): New configure substitution
630 (build_libobjdir): New variable.
631 (BUILD_LIBIBERTY): Use it.
633 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
636 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
638 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
641 * c-common.c (handle_weakref_attribute): Ignore attribute in
642 the same conditions the alias attribute is ignored.
644 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
646 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
647 (dbxout_begin_prologue): Increment scope_labelno.
649 2006-07-17 Richard Henderson <rth@redhat.com>
652 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
655 2006-07-17 Roger Sayle <roger@eyesopen.com>
656 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
658 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
659 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
660 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
661 functions such as sbrk, write, etc.. Add function prototypes.
662 Convert function declarations from K&R to ISO C. Cast pointers
663 to "long" and "unsigned long" instead of "int" and "unsigned int".
664 Convert tokens following #endif into comments.
666 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
668 * invoke.texi: Remove mention of f77; Reformat table for
669 inline parameter options correctly; mention that -malign-double
670 is default on x86-64 targets.
672 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
674 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
675 (convert_affine_scev, chrec_convert_aggressive): Use
676 avoid_arithmetics_in_type_p. Do not check for the subtypes
679 2006-07-17 Richard Sandiford <richard@codesourcery.com>
682 * optabs.c (expand_doubleword_shift): Wrap the call to
683 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
685 2006-07-17 Richard Sandiford <richard@codesourcery.com>
688 * optabs.c (expand_binop): Pass next_methods rather than methods
689 to expand_doubleword_shift.
691 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
694 * tree.h (dump_addr): Declare.
695 * print-tree.c (dump_addr): New function.
696 (print_node_brief, print_node): Use it.
697 * print-rtl.c (print_rtx): Likewise.
698 * common.opt (-fdump-noaddr): New option.
699 * doc/invoke.texi (-fdump-noaddr): Document.
700 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
701 (ve_info_hash): Likewise.
703 2006-07-13 Andrew Haley <aph@redhat.com>
705 PR tree-optimization/19505
706 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
707 edge leaving this block, make sure that the destination of this
708 block has only one predecessor.
710 2006-07-17 Richard Guenther <rguenther@suse.de>
712 PR tree-optimization/28238
713 * tree-inline.c (copy_bb): Check if we produced valid
714 gimple copying and substituting a stmt. If not, gimplify
717 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
719 * optabs.c (maybe_encapsulate_block): New function extracted from...
720 (emit_libcall_block): ...here. Invoke it on the block of insns to
721 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
722 (emit_no_conflict_block): Likewise.
724 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
726 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
728 2006-07-15 Roger Sayle <roger@eyesopen.com>
730 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
731 a new NOP_EXPR case of the switch statement.
733 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
736 * stor-layout.c (place_field): Take the bit field with
737 an excessive size into account in the ms-bitfiled case.
740 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
741 the previous bit field.
743 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
746 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
748 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
750 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
751 signal frames correctly even when the signal was installed with
754 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
756 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
757 (dbxout_function_end): Use local label LFBB. Remove hook
759 (dbxout_source_line): Use local label LFBB.
760 (dbxout_block): Likewise.
761 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
762 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
763 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
766 2006-07-13 Janis Johnson <janis187@us.ibm.com>
768 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
770 2006-07-13 Jan Hubicka <jh@suse.cz>
772 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
774 * output.h (align_variable): Declare.
775 * varasm.c (align_variable): Export.
776 * value-prof.c (tree_value_profile_transformations): Recompute iterator
777 when basic block changed.
779 2006-07-13 Nick Clifton <nickc@redhat.com>
781 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
782 walking the LOG_LINKS chain.
784 2006-07-12 Geoffrey Keating <geoffk@apple.com>
786 * doc/invoke.texi (C++ Dialect Options): Explain difference
787 between -fvisibility-inlines-hidden and setting hidden
788 visibility explicitly.
790 2006-07-12 Eric Christopher <echristo@apple.com>
792 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
793 (stmp-lipo): Depend on libgcc.a.
795 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
797 * tree.c: Fix a comment typo.
799 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
801 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
803 (umulhisi3_r): Likewise.
805 2006-07-12 Paolo Carlini <pcarlini@suse.de>
808 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
809 x < 19, vs wchar_t support.
811 2006-07-12 Nick Clifton <nickc@redhat.com>
813 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
816 2006-07-12 Mike Stump <mrs@apple.com>
818 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
820 2006-07-10 Eric Christopher <echristo@apple.com>
822 * config/t-slibgcc-darwin: Rewrite.
824 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
827 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
830 2006-07-08 Matthias Klose <doko@debian.org>
832 * doc/sourcebuild.texi: Fix typo.
834 2006-07-07 Mike Stump <mrs@apple.com>
836 * toplev.c (process_options): Don't give -ffunction-sections may
837 affect debugging warning for Mach-O.
839 2006-07-07 James E Wilson <wilson@specifix.com>
841 * config/mips/mips.md (cpu): Add sb1a.
842 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
843 addition to sb1. Adjust comments to clarify SB-1A differences from
845 (ir_sb1a_load): New. Modify bypasses to use it.
846 (ir_sb1a_simple_alu): Likewise.
847 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
848 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
849 (mips_issue_rate): Add PROCESSOR_SB1A.
850 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
851 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
852 (TARGET_SB1): Add PROCESSOR_SB1A check.
853 (TUNE_SB1): Likewise.
855 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
856 * config/mips/mips.c (mips_store_data_bypass_p): New.
857 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
860 2006-07-08 Paul Brook <paul@codesourcery.com>
863 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
865 2006-07-07 Richard Guenther <rguenther@suse.de>
868 * tree.h (build_one_cst): Declare.
869 * tree.c (build_one_cst): New function.
870 * tree-ssa-math-opts.c (get_constant_one): Remove.
871 (insert_reciprocals): Use build_one_cst.
872 * fold-const.c (fold_plusminus_mult): Likewise.
874 2006-07-07 Roger Sayle <roger@eyesopen.com>
876 * pointer-set.c (pointer_set_destroy): Correct whitespace.
877 * cfgloopanal.c (dump_graph): Likewise.
878 * dojump.c (discard_pending_stack_adjust): Likewise.
879 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
881 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
882 * function.c (finalize_block_changes): Likewise.
883 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
884 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
885 * rtl.c (dump_rtx_statistics): Likewise.
886 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
888 * varray.c (dump_varray_statistics): Likewise.
889 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
890 decode_decimal64, encode_decimal128, decode_decimal128,
891 decimal_real_to_decimal): Likewise.
893 2006-07-07 Richard Guenther <rguenther@suse.de>
895 PR tree-optimization/28187
896 * tree-vrp.c (vrp_operand_equal_p): New function.
897 (vrp_bitmap_equal_p): Likewise.
898 (update_value_range): Use them to compare old and new
901 2006-07-06 Roger Sayle <roger@eyesopen.com>
903 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
904 a default case to switch statement to silence compiler warnings.
906 2006-07-06 Roger Sayle <roger@eyesopen.com>
909 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
910 the configured assembler supports the x87's ffreep mnemonic.
911 * configure: Regenerate.
912 * config.in: Regenerate.
914 * config/i386/i386.c (output_387_ffreep): New function.
915 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
916 (output_387_reg_move): Likewise.
918 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
920 Port to hosts whose 'sort' and 'tail' implementations
921 treat operands with leading '+' as file names, as POSIX
922 has required since 2001. However, make sure the code still
923 works on pre-POSIX hosts.
924 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
925 which says you should use "tail -c +N" rather than "tail +Nc".
926 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
928 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
930 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
933 2006-07-06 David Edelsohn <edelsohn@gnu.org>
936 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
937 PRE_{INC,DEC} of TFmode.
939 2006-07-06 David Edelsohn <edelsohn@gnu.org>
940 Alan Modra <amodra@bigpond.net.au>
943 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
946 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
949 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
950 Remove duplicate gtu.
952 2006-07-05 Jason Merrill <jason@redhat.com>
956 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
957 * c-common.c (handle_packed_attribute): So don't copy it here.
958 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
960 2006-07-05 Mike Stump <mrs@apple.com>
962 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
964 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
967 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
969 2006-07-05 Richard Guenther <rguenther@suse.de>
972 * config/i386/i386.md (*negdf2_1): Restrict pattern to
973 TARGET_SSE2 targets if using SSE math.
974 (*absdf2_1): Likewise.
976 2006-07-05 Richard Guenther <rguenther@suse.de>
978 PR tree-optimization/28162
979 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
980 make sure to convert the operands to the correct type.
982 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
984 PR tree-optimization/28218
986 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
987 to calculate and free the dominator information.
989 2006-07-04 Peter O'Gorman <peter@pogma.com>
991 * mklibgcc.in: chmod 644 before ranlib during install.
993 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
994 J"orn Rennecke <joern.rennecke@st.com>
996 * configure.ac (.eh_frame data check): Use diff -b.
998 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1001 * Makefile.in (BUILD_RTL): Add build/vec.o.
1002 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1003 (build/genextract): Delete.
1004 (build/genautomata): Likewise.
1006 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1009 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1010 128-bit IBM long doubles for ABI_V4.
1012 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1014 * tree.c (range_in_array_bounds_p): New predicate.
1015 * tree.h (range_in_array_bounds_p): Declare it.
1016 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1017 return a less conservative answer.
1018 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1019 and flag 'is_group'.
1020 (IS_ELEMENT_FOR_GROUP): New macro.
1021 (FOR_EACH_ACTUAL_CHILD): Likewise.
1022 (next_child_for_group): New helper function.
1023 (can_completely_scalarize_p): Take into account groups.
1024 (sra_hash_tree): Handle RANGE_EXPR.
1025 (sra_elt_eq): Likewise.
1026 (lookup_element): Be prepared for handling groups.
1027 (is_valid_const_index): Delete.
1028 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1029 instead of is_valid_const_index.
1030 <ARRAY_RANGE_REF>: New case.
1031 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1032 is_valid_const_index.
1033 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1034 (scan_dump): Dump info for groups too.
1035 (decide_instantiation_1): Likewise.
1036 (decide_block_copy): Assert that the element is not a group.
1037 Propagate decision to groups.
1038 (generate_one_element_ref): Handle RANGE_EXPR.
1039 (mark_no_warning): Iterate over actual childs.
1040 (generate_copy_inout): Likewise.
1041 (generate_element_copy): Likewise.
1042 (generate_element_zero): Likewise.
1043 (generate_element_init_1): Likewise.
1044 (dump_sra_elt_name): Handle RANGE_EXPR.
1046 2006-07-03 Roger Sayle <roger@eyesopen.com>
1048 PR tree-optimization/26251
1049 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1050 (thread_block): When optimizing for size refuse to thread jumps
1051 that would require duplication of blocks other than redirection
1054 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1056 * configure.ac: Fix thinko in previous check-in.
1057 * configure: Regenerate.
1059 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1062 * configure.ac (for lang...): Simplify nesting of conditionals.
1063 Test subdir_requires for non-enabled languages. Move processing
1064 of lang_opt_files and lang_tree_fiels below that test.
1065 * configure: Regenerate.
1066 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1068 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1070 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1072 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1074 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1077 2006-06-29 Jason Merrill <jason@redhat.com>
1084 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1085 * c-common.c (c_determine_visibility): Handle it here.
1086 * c-decl.c (finish_decl): Call c_determine_visibility for
1088 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1090 * varasm.c (default_assemble_visibility): Likewise.
1091 * c-common.c (handle_visibility_attribute): Complain about trying
1092 to give visibility to an already defined class, or trying to change
1093 declared visibility. Always attach the attribute.
1098 * attribs.c (decl_attributes): Ignore type-in-place attributes
1099 once the type has been defined.
1101 2006-06-29 Roger Sayle <roger@eyesopen.com>
1104 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1105 to indicate the cpplib has issued an error message for us.
1107 2006-06-29 Asher Langton <langton2@llnl.gov>
1110 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1111 insert a label at the end of an function under Mach-O.
1113 2006-06-29 Eric Christopher <echristo@apple.com>
1114 Evan Cheng <evan.cheng@apple.com>
1116 * predicates.md (vector_all_ones_operand): New.
1117 (nonimmediate_or_sse_const_operand): Ditto.
1118 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1119 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1120 (standard_sse_mode_p): Ditto.
1121 (standard_sse_constant_p): Add case for -1 vector.
1122 (ix86_expand_vector_move): Try to use.
1123 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1124 Call standard_sse_constant_opcode.
1125 (*movv4sf_internal): Ditto.
1126 (*movv2df_internal): Ditto.
1128 2006-06-29 Roger Sayle <roger@eyesopen.com>
1130 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1131 of XEXP to extract the operands of a MATCH_CODE rtx.
1133 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1135 * tree.c (tree_size): Do not waste tail padding in
1136 struct tree_string and make the size be the same as
1137 build_string will generate.
1139 2006-06-28 Jason Merrill <jason@redhat.com>
1142 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1143 may_aliases already in the tag's annotations to the bitmap.
1145 2006-06-28 Roger Sayle <roger@eyesopen.com>
1147 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1149 2006-06-28 Roger Sayle <roger@eyesopen.com>
1151 * genpreds.c (generate_switch_p): New function.
1152 (add_mode_tests): Push the new mode test down inside an AND expr
1153 if this allows the switch-suitable MATCH_CODE to be near the root.
1154 (write_match_code_switch): New function to write a MATCH_CODE as
1156 (write_predicate_stmts): New function to write a predicate RTX
1157 expression as a sequence of statements.
1158 (write_one_predicate_function): Use write_predicate_stmts.
1159 (write_tm_constrs_h): Likewise.
1161 2006-06-26 Fred Fish <fnf@specifix.com>
1163 * config/mips/t-sb1: New file.
1164 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1167 2006-06-26 DJ Delorie <dj@redhat.com>
1169 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1171 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1172 Jayant Sonar <jayants@kpitcummins.com>
1173 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1175 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1176 (subsi3, subsi3_1, subsi3_2): New.
1177 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1178 * config/m32c/mov.md (SI mov peephole): New.
1179 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1180 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1182 2006-06-26 Olivier Hainque <hainque@adacore.com>
1184 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1185 a CALL_EXPR target function declaration.
1187 2006-06-26 Richard Guenther <rguenther@suse.de>
1189 * tree.c (build_string): Do not waste tail padding in
1192 2006-06-26 Richard Guenther <rguenther@suse.de>
1194 * ggc-page.c (init_ggc): Add missing element to size_lookup
1198 2006-06-23 Richard Guenther <rguenther@suse.de>
1200 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1201 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1202 alignment requests instead. Add verification code.
1203 Add struct tree_function_decl and struct tree_binfo size to
1204 extra_order_size_table. Add missing element to size_lookup
1207 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1210 * fold-const.c (const_binop): Be prepared for self returning zero.
1211 Simplify code handling complex values.
1213 2006-06-24 Olivier Hainque <hainque@adacore.com>
1215 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1216 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1219 2006-06-24 Olivier Hainque <hainque@adacore.com>
1221 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1222 ARRAY_REF, so have the callback called for the low bound expression.
1224 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1226 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1227 * c-typeck.c (c_common_type): Disallow operations on decimal float
1228 types and other float types.
1229 * convert.c (convert_to_real): Don't ignore conversions involving
1230 decimal float types.
1232 2006-06-23 Olivier Hainque <hainque@adacore.com>
1234 * tree.c (max_int_size_in_bytes): New function, inspired from
1235 code in function.c:assign_temp.
1236 * tree.h (max_int_size_in_bytes): Declare.
1237 * function.c (assign_temp): Use it.
1238 * gimplify.c (create_tmp_var): Relax the assertions on the type
1239 properties, not mandating constant size any more.
1240 (force_constant_size): New static function.
1241 (gimple_add_tmp_var): Use it, forcing variable size to a
1242 constant upper bound if it is not constant on entry.
1244 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1247 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1248 for initialization and setting of one_only flag to ...
1249 (i386_pe_encode_section_info): ...here.
1250 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1251 Recheck that the symbol has not been defined.
1253 2006-06-23 Richard Guenther <rguenther@suse.de>
1255 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1256 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1257 alignment requests instead. Add verification code.
1258 Add struct tree_function_decl and struct tree_binfo size to
1259 extra_order_size_table. Add missing element to size_lookup
1262 2006-06-22 Roger Sayle <roger@eyesopen.com>
1263 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1266 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1267 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1269 2006-06-23 Ben Elliston <bje@au.ibm.com>
1271 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1272 negate dn -- manipulate it directly.
1274 2006-06-22 Roger Sayle <roger@eyesopen.com>
1275 Steven Bosscher <stevenb.gcc@gmail.com>
1278 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1279 generated by gen_move_insn to add REG_LABEL notes if necessary.
1281 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1283 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1284 (leaf_entry): Remove use of MIN_ESA.
1286 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1288 PR rtl-optimization/28121
1289 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1292 2006-06-21 DJ Delorie <dj@redhat.com>
1294 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1296 (mulhisi3_r): Likewise.
1298 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1301 * coverage.c (coverage_counter_alloc): Leave the index type
1303 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1306 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1308 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1309 section from the "Options for Code Generation Conventions".
1311 2006-06-21 Richard Henderson <rth@redhat.com>
1315 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1317 (global_symbolic_operand): Allow weak symbols, even if local_p.
1319 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1321 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1322 (find_interesting_uses_address): Punt if above function returns true.
1324 2006-06-21 Richard Guenther <rguenther@suse.de>
1326 * configure: Regenerated.
1328 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1330 * config/mips/mips.c (function_arg): Where one part of a
1331 complex argument is in registers and the other part in the stack,
1332 return a REG not a PARALLEL.
1334 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1336 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1337 when cross-compiling. Do not substitute libstdcxx_incdir.
1338 * configure: Regenerated.
1340 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1342 * varasm.c (mergeable_string_section): Check for embedded NULs and
1343 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1344 rather than TREE_STRING_LENGTH bytes.
1346 2006-06-21 Richard Guenther <rguenther@suse.de>
1348 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1349 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1352 2006-06-21 Richrad Guenther <rguenther@suse.de>
1354 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1355 Limit iteration over the dominators.
1357 2006-06-20 Roger Sayle <roger@eyesopen.com>
1359 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1360 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1362 2006-06-20 Richard Guenther <rguenther@suse.de>
1363 Michael Matz <matz@suse.de>
1365 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1367 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1368 * et-forest.h (et_free_pools): Prototype new function.
1369 * et-forest.c (et_free_tree_force): Free parent occurrence.
1370 (et_free_pools): New function.
1371 * dominance.c (free_dominance_info): Free et-forest alloc
1374 2006-06-20 Roger Sayle <roger@eyesopen.com>
1376 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1377 integer modes, attempt to directly construct an integer constant.
1379 * fold-const.c (native_encode_vector): Determine the size of each
1380 element from the vector type instead of the first vector element.
1382 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1383 if all of its elements/components are constant.
1384 (build_constructor_from_list): Likewise.
1386 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1388 PR tree-optimization/27331
1389 * tree-data-ref.c (free_data_ref): New function.
1390 (create_data_ref): Fail if the data reference has unknown access
1392 (free_data_refs): Use free_data_ref.
1394 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1397 * tree-inline.c (setup_one_parameter): Strip useless
1398 type conversion before adding it to the IR.
1399 (declare_return_variable): Likewise.
1401 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1404 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1406 2006-06-19 Mike Stump <mrs@apple.com>
1408 * tree.c (variably_modified_type_p): VM arguments don't make the
1411 2006-06-19 Richard Guenther <rguenther@suse.de>
1413 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1414 type conversions after folding.
1416 2006-06-19 Richard Guenther <rguenther@suse.de>
1418 * ggc-page.c (extra_order_size_tab): Add entries with
1419 size of struct function and basic_block.
1420 (size_lookup): Extend to cover sizes up to 511.
1421 (ggc_alloc_stat): Adjust user.
1422 (ggc_pch_count_object): Likewise.
1423 (ggc_pch_alloc_object): Likewise.
1424 (ggc_pch_write_object): Likewise.
1426 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1428 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1429 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1432 2006-06-19 Denis Chertykov <denisc@overta.ru>
1434 * config/avr/libgcc.S : Correct my wrong previous commit.
1436 2006-06-19 Roger Sayle <roger@eyesopen.com>
1439 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1440 have stripped a SUBREG from the shift count, so we may need to
1441 convert_to_mode back to the type's mode before calling make_tree.
1442 Use new_amount instead of amount to avoid expanding a tree twice.
1444 2006-06-19 Richard Guenther <rguenther@suse.de>
1447 * fold-const.c (operand_equal_p): Check if the argument types
1448 have the same precision before stripping NOPs.
1450 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1452 Fix PR tree-optimization/27341
1453 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1455 * tree-complex.c (pass_lower_complex): Update SMT usage.
1457 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1459 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1460 Add a new alternative to the constraint strings. Add move of
1461 operand 1 to 3 to the splitter definition.
1462 ("doloop_si_long"): Second contraint alternative removed.
1464 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1466 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1467 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1469 (AVR_HAVE_MOVW) Define.
1470 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1471 (ASM_SPEC): Add avr25.
1472 (LINK_SPEC): Add avr25.
1473 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1474 (base_arch_s): Add new member 'have_movw_lpmx'.
1475 (avr_arch_types): Init 'have_movw_lpmx'.
1476 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1477 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1478 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1479 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1480 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1482 (avr_file_start): Do not output '.arh' derective.
1483 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1484 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1485 * config/avr/avr.md (mcu_enhanced): Delete.
1486 (mcu_have_movw): Define.
1487 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1488 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1489 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1490 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1491 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1492 attiny861 and at86rf401 devices.
1494 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1496 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1499 2006-06-17 Karl Berry <karl@gnu.org>
1501 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1502 doc/gccint.texi, doc/install.texi (@dircategory): Use
1503 "Software development" instead of "Programming", following
1504 the Free Software Directory.
1506 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1508 * config/i386/i386.c (legitimate_tls_address)
1509 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1510 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1511 (*tls_dynamic_gnu2_combine_64): Likewise.
1513 2006-06-16 Richard Guenther <rguenther@suse.de>
1516 * fold-const.c (negate_expr_p): Do not introduce undefined
1517 overflow in negating INTEGER_CSTs.
1518 (fold_negate_expr): Rename from negate_expr. Revert last
1519 change for folding BIT_NOT_EXPR. Change semantics to
1520 return NULL_TREE for non-simplified negations. Do not
1521 strip type conversions and unify type handling.
1522 (negate_expr): New function, wrap around fold_negate_expr
1523 but ensure building a tree always. Strip type conversions
1524 here, fold to result type.
1525 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1527 2006-06-16 Roger Sayle <roger@eyesopen.com>
1530 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1531 that (would) return their results in stack registers.
1533 2006-06-16 Michael Matz <matz@suse.de>
1534 Richard Guenther <rguenther@suse.de>
1536 * fold-const.c (fold_truthop): Only return new tree node if
1537 we canonicalized something.
1539 2006-06-16 Richard Guenther <rguenther@suse.de>
1541 * function.h (enum function_frequency): Move declaration
1542 out of struct function.
1543 (struct function): Move bool fields and the enum to the bitfield
1544 section. Reorder elements to avoid padding. Remove unused
1545 fields left over from the RTL inliner removal.
1546 * function.c (free_after_compilation): Do not zero removed fields.
1547 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1548 (ipa-type-escape.o): Likewise.
1550 2006-06-16 Richard Guenther <rguenther@suse.de>
1552 * cgraph.h (struct cgraph_local_info): Turn bool elements
1554 (struct cgraph_node): Likewise.
1555 (struct cgraph_varpool_node): Likewise.
1557 2006-06-15 Richard Guenther <rguenther@suse.de>
1559 * fold-const.c (fold_truth_not_expr): Rename from
1560 invert_truthvalue. Give it fold_* semantics to avoid
1562 (invert_truthvalue): New function. Wrapper around
1563 fold_truth_not_expr.
1564 (optimize_minmax_comparison): Avoid creating garbage.
1565 (fold_unary): Use fold_truth_not_expr for folding
1567 (fold_ternary): Replace uses of invert_truthvalue with
1568 fold_truth_not_expr where applicable.
1569 * tree.h (fold_truth_not_expr): Prototype.
1571 2006-06-16 Richard Guenther <rguenther@suse.de>
1573 PR tree-optimization/27781
1574 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1575 * ipa-pure-const.c (target.h): Include.
1576 (analyze_function): Do not analyze functions that do not
1579 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1582 * tree-dfa.c (referenced_vars_dup_list): Remove.
1583 (find_referenced_vars): Remove assert.
1584 (referenced_var_check_and_insert): Replace dup list with assert.
1585 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1586 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1588 2006-06-15 Richard Guenther <rguenther@suse.de>
1590 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1591 extra unused identifiers if not dumping.
1592 (create_variable_info_for): Likewise.
1594 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1596 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1597 (derive_constant_upper_bound): Derive more precise upper bound in
1598 common cases. Return type changed to double_int.
1599 (record_estimate): Reflect the changed return type of
1600 derive_constant_upper_bound.
1601 * double-int.c (double_int_zext, double_int_sext): Fix.
1603 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1605 * configure.ac (CFLAGS): Get them from the toplevel or from the
1606 configure invocation.
1607 * configure: Regenerate.
1608 * Makefile.in (CFLAGS): Substitute value provided by configure.
1610 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1613 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1614 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1615 rather than calling add_stmt on it.
1616 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1618 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1621 * reload1.c (reload): Remove registers returned by update_eliminables
1622 from used_spill_regs.
1624 2006-06-13 DJ Delorie <dj@redhat.com>
1626 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1628 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1630 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1631 html__strip_dir, html__mkdir_p. Enhance install-html target.
1632 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1633 * configure: Regenerate.
1635 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1637 * fold-const.c (fold_cond_expr_with_comparison): Check for
1638 Objective-C++ as language in deciding COND_EXPR transformation.
1640 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1643 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1644 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1645 * config/sh/lib1funcs.h (SL, SL1): Define.
1646 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1647 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1648 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1649 (OBJS_Os_4_200): New variable.
1650 ($(T)libgcc-Os-4-200.a): Use it.
1651 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1652 when dividing 1 and/or by 0.
1654 2006-06-13 Roger Sayle <roger@eyesopen.com>
1656 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1657 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1658 * configure: Regenerate.
1660 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1662 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1663 for real instruction.
1665 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1668 * haifa-sched.c (check_cfg): Handle special case.
1670 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1673 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1674 Add debug_info parameter. Chain the vars to the BLOCK instead
1675 of the BIND_EXPR if debug info are requested for them.
1676 (pop_gimplify_context): Adjust for above change.
1677 (gimple_add_tmp_var): Likewise.
1678 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1680 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1681 (convert_local_reference): Likewise.
1682 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1683 (finalize_nesting_tree_1): Request that debug info be emitted
1684 for debug_var_chain.
1686 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1688 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1689 for PR target/27863.
1691 2006-06-13 Richard Guenther <rguenther@suse.de>
1694 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1696 2006-06-13 Richard Guenther <rguenther@suse.de>
1698 PR tree-optimization/27830
1699 * tree-inline.c (copy_body_r): For copying the operand
1700 of an ADDR_EXPR make sure to fold &* afterwards.
1702 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1704 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1705 lvalues in the fb_none case with side-effects.
1707 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1709 * tree-flow.h: Remove the prototype for
1710 compute_phi_arg_on_exit.
1711 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1712 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1715 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1717 * builtins.c (expand_builtin_return_addr): Only use
1718 frame_pointer_rtx when count == 0 and we are expanding
1719 __builtin_return_address.
1721 2006-06-12 Fred Fish <fnf@specifix.com>
1723 * config/mips/mips.c (mips_file_start): Create special section
1724 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1726 2006-06-11 Eric Christopher <echristo@apple.com>
1729 * stor-layout.c (place_field): Remove check for
1730 remaining_in_alignment when aligning at the end of a run.
1732 2006-06-11 Eric Christopher <echristo@apple.com>
1735 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1738 2006-06-11 Roger Sayle <roger@eyesopen.com>
1741 Revert incorrect fix for PR target/27158
1742 2006-05-08 Roger Sayle <roger@eyesopen.com>
1743 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1744 of a reg_equiv_constant if the result is a legitimate constant.
1746 2006-06-11 Roger Sayle <roger@eyesopen.com>
1749 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1750 extract a CONST_VECTOR element and interpret it as an integer.
1751 (vspltis_constant): Use const_vector_elt_as_int instead of the
1752 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1753 * config/rs6000/predicates.md (easy_vector_const): Consider
1754 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1756 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1759 * stor-layout.c (update_alignment_for_field): Don't add extra
1760 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1763 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1765 * config/mips/t-rtems: Add EL/EB multilib variants.
1767 2006-06-09 Mike Stump <mrs@apple.com>
1769 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1771 2006-06-09 David Daney <ddaney@avtrex.com>
1773 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1775 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1777 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1779 2006-06-09 Richard Guenther <rguenther@suse.de>
1781 PR tree-optimization/26998
1782 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1783 of signed types, only TYPE_MIN_VALUE is special, but for both,
1784 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1785 in this case, as is -fwrapv.
1787 2006-06-08 Mike Stump <mrs@apple.com>
1790 * config/darwin.c (darwin_asm_output_anchor): Disable
1791 -fsection-anchors on darwin for now.
1792 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1793 * rs6000/rs6000.c (optimization_options): Likewise.
1795 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1798 * config/i386/i386.c (classify_argument): Skip fields with invalid
1801 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1803 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1804 (cse_insn): Likewise for the stack_pointer_rtx.
1806 2006-06-08 Roger Sayle <roger@eyesopen.com>
1808 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1809 conditions from floating point comparisons.
1811 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1814 * expmed.c (struct alg_hash_entry): Fix type of field T
1815 to match synth_mult argument.
1816 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1818 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1821 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1824 2006-06-08 Richard Guenther <rguenther@suse.de>
1827 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1828 only, if overflow is defined and not trapping.
1829 (negate_expr): Likewise.
1831 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1833 PR tree-optimization/27872
1834 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1835 flag on the new exit edge of the unrolled loop.
1837 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1839 PR rtl-optimization/26449
1840 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1842 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1845 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1846 referenced_variables with matching DECL_UID's.
1847 (find_referenced_vars): Make sure duplicate list is empty to start.
1848 (referenced_var_p): Remove.
1849 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1850 Check if var is in the list, and add if needed. Update the duplicate
1851 list if a different var is in the list with the same DECL_UID.
1852 (add_referenced_var): Call routine to check and insert.
1853 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1854 * tree-flow.h (referenced_vars_dup_list): External declaration.
1856 2006-06-07 Fred Fish <fnf@specifix.com>
1858 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1861 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1864 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1865 the imaginary and real parts of a clobbered register.
1866 Emit insn to set the imaginary part.
1868 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1870 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1871 in lieu of unwind-dw2-fde.c.
1873 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1875 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1877 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1880 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1881 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1882 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1883 V4SImode temporaries and operations instead.
1885 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1887 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1890 2006-06-06 Mike Stump <mrs@apple.com>
1892 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1893 installing during build.
1895 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1897 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1899 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1900 * config/ia64/ia64.c (params.h): New header.
1901 (ia64_optimization_options): New function to adjust parameters.
1902 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1903 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1904 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1906 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1908 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1910 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1913 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1915 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1916 Victor Kaplansky <victork@il.ibm.com>
1918 PR tree-optimization/26360
1919 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1922 2006-06-04 Roger Sayle <roger@eyesopen.com>
1923 Andrew Pinski <pinskia@physics.uc.edu>
1926 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1927 for LABEL_DECL before calling DECL_WEAK.
1930 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1931 LABEL_DECL and PARM_DECL.
1933 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1937 * c-decl.c (grokdeclarator): Disallow variably modified types at
1938 file scope. Avoid marking shared array type of constant size as
1941 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1944 * c-common.c (fold_offsetof_1): Handle static members.
1946 2006-06-04 Eric Christopher <echristo@apple.com>
1948 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1949 (debug_rli): Output value for remaining_in_alignment.
1950 (update_alignment_for_field): Unconditionalize
1951 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1952 extra alignment code.
1953 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1954 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1955 * tree.h (record_layout_info_s): Remove prev_packed.
1956 * doc/extend.texi (ms_struct): Add documentation of format.
1958 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1960 * tree.h: Declare folding_initializer.
1961 * builtins.c (fold_builtin_constant_p): Give definite answer
1962 if folding inside an initializer.
1963 * fold-const.c: Define folding_initializer.
1964 (START_FOLD_INIT): Save and then set folding_initializer.
1965 (END_FOLD_INIT): Restore folding_initializer.
1967 2006-06-04 Richard Guenther <rguenther@suse.de>
1969 PR tree-optimization/27039
1970 * fold-const.c (fold_comparison): Handle pointer comparison
1971 again for all comparison codes. Compare offsets in signed
1973 (fold_binary): Move code from here.
1975 2006-06-03 Roger Sayle <roger@eyesopen.com>
1978 * config/i386/i386.c (construct_container): Split static issued_error
1979 flag into issued_sse_arg_error, issued_sse_ret_error and
1980 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1981 requires the use of x87 registers and the user explicitly
1982 specified the -mno-80387 command line option.
1984 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1986 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1987 HAVE_DECL_SIGALTSTACK.
1989 (segv_handler): Use MC_FLD.
1990 * configure.ac: Check for a sigaltstack declaration.
1991 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1992 * configure: Regenerate.
1993 * config.in: Regenerate.
1995 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1998 * Makefile.in (stmp-fixinc): Fix typo.
2000 2006-06-02 Roger Sayle <roger@eyesopen.com>
2002 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2003 are type correct. Clean-up.
2004 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2005 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2007 2006-06-01 DJ Delorie <dj@redhat.com>
2009 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2010 shift, as we've disabled the "switch" insn that needs it.
2012 2006-06-01 Per Bothner <bothner@bothner.com>
2014 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2015 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2016 * c-ppoutput.c (cb_define): Don't increment line 0.
2018 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2020 * doc/invoke.texi: Add cpu_type power6.
2021 * config.gcc: Add cpu_type power6.
2022 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2023 to power5+ with Altivec.
2024 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2025 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2027 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2029 * config/avr/avr.h (SET_ASM_OP): Define.
2031 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2033 * config/bfin/bfin.c: Fix comment typos.
2035 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2038 * doc/install.texi: Document --enable-bootstrap and
2039 --disable-bootstrap.
2041 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2043 * doc/install.texi: Document that InfoZIP can replace jar.
2045 2006-05-31 Roger Sayle <roger@eyesopen.com>
2047 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2048 isn't available, directly generate the simpler x87 patterns without
2049 the (use (const_int 0)).
2050 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2051 implementation isn't available.
2052 (*negdf2_1): Likewise.
2053 (*negxf2_1): XF mode negation is always done using the x87.
2054 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2056 2006-05-31 Roger Sayle <roger@eyesopen.com>
2058 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2059 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2061 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2063 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2065 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2066 * config/bfin/bfin.c (basic-block.h): Include.
2067 (struct machine_function): New.
2068 (bfin_init_machine_status): New.
2069 (override_options): Initialize init_machine_status.
2070 (bfin_hardware_loop): New.
2071 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2072 (DEF_VEC_P (loop_info)): New.
2073 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2074 (struct loop_info): New.
2075 (loop_info): New typedef.
2076 (struct loop_work): New.
2077 (loop_work): New typedef.
2078 (DEF_VEC_O (loop_work)): New.
2079 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2080 (bfin_dump_loops): New.
2081 (bfin_bb_in_loop): New.
2082 (bfin_scan_loop): New.
2083 (bfin_optimize_loop): New.
2084 (bfin_reorg_loops): New.
2085 (bfin_reorg): Use bfin_reorg_loops.
2086 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2088 (I_REGNO_P): Simplify.
2089 (DP_REGNO_P, DPREG_P): New macros.
2090 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2091 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2092 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2093 Add LT_REGS, LC_REGS, LB_REGS.
2094 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2096 (REGNO_REG_CLASS): Deal with loop registers.
2097 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2099 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2100 New constants for loop registers.
2101 (UNSPEC_LSETUP_END): New.
2102 (seq_insns): New define_attr. Set it for appropriate insns.
2103 (movsi_insn): Add alternatives for move from/to
2104 loop count registers.
2105 (doloop_end): New define_expand.
2106 (loop_end): New define_insn.
2107 (define_split for bad doloop_end): New.
2108 (lsetup_with_autoinit): New define_insn.
2109 (lsetup_without_autoinit): New define_insn.
2110 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2111 * config/bfin/predicates.md (lc_register_operand): New.
2112 (lt_register_operand): New.
2113 (lb_register_operand): New.
2114 (nondp_register_operand): New.
2115 (nondp_reg_or_memory_operand): New.
2116 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2118 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2120 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2121 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2123 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2125 * Makefile.in (CATALOGS): Add po/ prefix.
2126 * configure: Regenerated.
2128 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2131 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2132 a shift operand before calling shift_op. Avoid redundant call of
2135 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2136 DJ Delorie <dj@redhat.com>
2138 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2139 we're inserting is a singlt-bit constant.
2141 2006-05-30 Roger Sayle <roger@eyesopen.com>
2143 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2144 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2146 2006-05-30 Roger Sayle <roger@eyesopen.com>
2148 PR tree-optimization/23452
2149 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2150 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2151 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2152 complex values and with -ffast-math for FP complex values.
2154 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2156 * c-common.h: Remove the prototype for yyparse.
2157 * rtl.h: Remove the prototype for init_loop.
2159 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2161 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2164 2006-05-30 Roger Sayle <roger@eyesopen.com>
2166 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2168 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2169 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2171 2006-05-30 Dirk Mueller <dmueller@suse.de>
2174 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2175 for CONSTANT_CLASS_P expresisons.
2177 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2180 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2182 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2184 PR tree-optimization/27779
2185 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2186 initial_condition instead of CHREC_LEFT.
2188 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2190 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2191 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2192 Make prototypes ISO C90.
2194 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2195 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2197 * see.c (see_analyze_one_def): Correct check.
2198 (see_get_extension_data): Check if extension is parallel.
2199 (see_get_extension_reg): Likewise.
2201 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2204 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2205 into register for (code == GTU).
2207 2006-05-29 Roger Sayle <roger@eyesopen.com>
2209 PR tree-optimization/24964
2210 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2211 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2212 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2213 abs(x)*abs(x) as x*x for scalar floating point modes.
2215 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2218 * lambda-code.c (perfect_nestify): Don't copy statements
2219 in the inner loop: move them to the inner loop header.
2221 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2224 * c-tree.texi: Document OpenMP directives and clauses.
2226 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2228 * varasm.c (globalize_decl): Fix indentation.
2230 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2233 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2234 pass_fre, pass_store_ccp, pass_copy_prop,
2235 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2236 pass_return_slot, pass_object_size, pass_lim,
2237 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2238 pass_loop_prefetch and pass_stdarg.
2240 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2242 * config/bfin/bfin.opt (mfdpic): New option.
2243 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2244 (EXTRA_MULTILIB_PARTS): Likewise.
2245 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2246 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2248 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2249 (CRT_CALL_STATIC_FUNCTION): New.
2250 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2252 (CRT_CALL_STATIC_FUNCTION): New.
2253 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2255 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2256 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2257 (initialize_trampoline): Changed to handle FD-PIC code generation.
2258 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2259 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2260 (override_options): Disallow -mid-shared-library -mfdpic combination.
2261 Can't do unaligned ops if FD-PIC.
2262 Turn off flag_pic if trying to generate non-id-shared-library
2263 non-fdpic code, since it's not supported.
2264 (bfin_assemble_integer): New function.
2265 (TARGET_ASM_INTEGER): Define.
2266 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2268 * config/bfin/crtn.s: Restore them.
2269 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2271 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2272 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2273 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2274 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2275 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2277 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2278 FDPIC_REGS and FDPIC_FPTR_REGS.
2279 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2280 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2281 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2282 (load_funcdescsi): New pattern.
2283 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2284 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2285 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2287 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2289 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2292 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2294 * tree-flow.h: Remove the prototype for add_type_alias.
2295 * tree-ssa-alias.c (add_type_alias): Remove.
2297 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2299 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2300 config/fr30/fr30.md, config/i386/i386-interix.h,
2301 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2302 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2303 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2304 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2305 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2306 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2307 Follow spelling conventions.
2308 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2309 Follow spelling conventions.
2311 2006-05-27 Richard Guenther <rguenther@suse.de>
2314 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2315 to produce a constant of value 1 of generic type.
2317 2006-05-27 Dirk Mueller <dmueller@suse.de>
2319 * cgraphunit.c (decide_is_function_needed): Fix wrong
2322 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2324 PR rtl-optimization/27661
2325 * reload.c (find_reloads): When reloading a VOIDmode constant
2326 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2327 use Pmode as mode of the reload register.
2329 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2331 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2332 is enabled at -O and above.
2334 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2337 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2340 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2343 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2344 for anonymous variables explicitly declared by front ends.
2346 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2348 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2349 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2350 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2351 ref-all pointers, run a finalization pass for them.
2352 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2353 (finalize_ref_all_pointers): New function.
2354 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2355 regular pointer type to a ref-all pointer type.
2356 (get_tmt_for): Return the special memory tag for ref-all pointers.
2358 2006-05-25 Richard Guenther <rguenther@suse.de>
2361 * fold-const.c (fold_binary): Do not look at the stripped
2362 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2364 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2366 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2367 for LT and GT if the computed range is effectively empty.
2369 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2372 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2373 mips_quad_format formats instead of ieee_single_format,
2374 ieee_double_format and ieee_quad_format formats, respectively.
2376 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2378 PR tree-optimization/27639
2379 PR tree-optimization/26719
2380 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2381 call to scev_probably_wraps_p.
2382 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2383 used_in_pointer_arithmetic_p, convert_step): Removed.
2384 (nowrap_type_p): New function.
2385 (scev_probably_wraps_p): Rewritten.
2386 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2387 chrec_convert if chrec_convert_aggressive might have been used.
2388 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2389 scev_direction): New functions.
2390 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2391 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2392 instead of convert_step.
2393 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2394 (convert_step): Declaration removed.
2395 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2397 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2399 * df-core.c: Added to header comments.
2400 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2401 df_ur_bb_info, df_urec_bb_info): Added comments.
2402 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2403 urec, ri problems): Fixed header comments.
2404 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2405 code from df_rd_transfer_function.
2407 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2409 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2410 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2411 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2413 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2415 * expr.c (undefined_operand_subword_p): New.
2416 (emit_move_multi_word): Do not generate move from undefined bits
2417 of a paradoxical subreg.
2419 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2421 PR rtl-optimization/27736
2422 * combine.c (replaced_rhs_value): New variable.
2423 (combine_instructions): Set it.
2424 (distribute_notes): When distributing a note in replaced_rhs_insn,
2425 check whether the value was used in replaced_rhs_value.
2427 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2430 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2431 add_referenced_var instead of add_referenced_tmp_var.
2432 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2433 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2435 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2436 tree_optimize_tail_calls_1): Use add_referenced_var.
2437 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2438 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2439 Use add_referenced_var.
2440 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2441 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2442 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2443 Use add_referenced_var.
2444 * tree-dfa.c (struct walk_state): Remove.
2445 (find_referenced_vars): Remove walk state and vars_found hash table.
2446 (make_rename_temp): Use add_referenced_var.
2447 (find_vars_r): Pass less parameters to add_referenced_var.
2448 (referenced_var_p): New. Is var in referenced_var hash table.
2449 (referenced_var_insert): Assert var isn't already in hash table.
2450 (add_referenced_var): Don't need walk_state parameter. Add var if it
2451 isn't already in the hash table.
2452 (add_referenced_tmp_var): Remove.
2453 (find_new_referenced_vars_1): Use add_referenced_var.
2454 * tree-ssa-pre.c (create_expression_by_pieces,
2455 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2456 Use add_referenced_var.
2457 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2458 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2459 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2461 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2462 vect_create_data_ref_ptr, vect_create_destination_var,
2463 vect_init_vector, vect_build_loop_niters,
2464 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2465 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2466 Use add_referenced_var.
2467 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2468 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2469 (add_referenced_var): Add prototype.
2470 * tree-ssa-structalias.c (get_constraint_for,
2471 intra_create_variable_infos): Use add_referenced_var.
2473 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2475 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2476 big-endian paradoxical subregs.
2477 * var-tracking.c (struct micro_operation_def): Document that,
2478 for modify micro operations, insn is the subsequent instruction.
2479 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2480 (var_reg_set, var_mem_set): ... new functions.
2481 (add_stores): Record subsequent insn.
2482 (compute_bb_dataflow): Use new functions for MO_USE.
2483 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2484 notes after the insn, and modify notes before the insn known
2485 to be the subsequent one.
2486 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2488 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2491 * config/i386/i386.c (ix86_expand_builtin): Use
2492 gen_sse3_monitor64 for TARGET_64BIT.
2494 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2496 PR rtl-optimization/26375
2497 PR rtl-optimization/26855
2498 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2500 (df_ru_bb_local_compute): Reversed statements and removed bogus
2501 comment explaining why they should be in wrong order.
2502 (df_ru_dump, df_rd_dump): Enhanced debug info.
2503 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2505 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2506 reaching uses and fixed space problem.
2508 2006-05-23 Jan Hubicka <jh@suse.cz>
2510 * cgraphunit.c (decide_is_function_needed): Also nested functions
2511 and functions declared inline can be optimized out at -O0.
2513 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2515 * doc/install.texi (Configuration): Remove reference to CrossGCC
2519 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2522 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2523 ix86_compare_emitted is non-NULL.
2525 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2528 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2531 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2533 PR rtl-optimization/25514
2534 * combine.c (replaced_rhs_insn): New variable.
2535 (combine_instructions): Set replaced_rhs_insn when trying to replace
2536 a SET_SRC with a REG_EQUAL note.
2537 (distribute_notes): Use replaced_rhs_insn when determining the live
2538 range of a REG_DEAD register.
2540 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2541 Anatoly Sokolov <aesok@post.ru>
2543 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2544 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2545 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2546 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2547 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2548 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2549 at90usb647, at90usb1286 and at90usb1287 devices.
2550 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2551 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2553 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2555 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2557 2006-05-22 Richard Guenther <rguenther@suse.de>
2560 2006-01-31 Richard Guenther <rguenther@suse.de>
2561 Paolo Bonzini <bonzini@gnu.org>
2563 * doc/install.texi (--disable-libgcc-math): Document.
2565 2006-05-22 Richard Guenther <rguenther@suse.de>
2568 2006-01-31 Richard Guenther <rguenther@suse.de>
2570 * doc/invoke.texi (-msselibm): Document.
2571 * target.h (expand_library_builtin): New target hook.
2572 * builtins.c (expand_builtin): Use expand_library_builtin.
2573 (default_expand_library_builtin): New function.
2574 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2575 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2576 (link_gcc_math_spec): Declare.
2577 (static_specs): Add link_gcc_math_spec.
2578 * expr.h (default_expand_library_builtin): Declare.
2579 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2580 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2581 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2582 * config/i386/i386.opt (msselibm): New target option.
2583 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2584 (ix86_init_sse_abi_builtins): New function.
2585 (ix86_expand_library_builtin): Likewise.
2586 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2587 (override_options): Handle error conditions wrt -msselibm.
2588 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2589 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2590 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2593 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2596 * c-common.c (self_promoting_args_p): Skip erroneous args.
2599 * c-decl.c (finish_struct): Skip erroneous fields.
2601 2006-05-22 Nick Clifton <nickc@redhat.com>
2603 * config/cris/cris.opt (march): Remove VarExists attribute.
2604 (max-stackframe=): Likewise.
2606 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2608 * doc/rtl.texi: Fix a typo.
2609 * see.c: Fix comment typos.
2611 * tree-ssa-structalias.h (alias_info): Remove num_references.
2613 2006-05-21 Mike Stump <mrs@apple.com>
2615 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2617 (darwin_pragma_options): Use BAD instead.
2618 (darwin_pragma_unused): Likewise.
2619 (darwin_pragma_ms_struct): Likewise.
2621 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2623 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2625 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2627 PR rtl-optimization/27671
2628 * simplify-rtx.c (simplify_relational_operation_1): Fix
2629 simplifications of (eq/ne (xor x y) y) and
2630 (eq/ne (xor x y) x).
2632 PR tree-optimization/26622.
2633 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2636 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2638 * tree-cfg.c: Prune whitespace.
2639 (debug_tree_cfg): Point to correct header containing the
2642 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2645 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2647 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2650 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2651 or sorry count is non zero.
2653 2006-05-20 Andreas Schwab <schwab@suse.de>
2655 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2657 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2658 Kenneth Zadeck <zadeck@naturalbridge.com>
2660 PR rtl-optimization/26855
2662 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2664 (df_scan_alloc): Added code to properly handle multiword hard
2665 registers and add all_blocks parameter.
2666 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2667 code to properly handle multiword hard registers.
2668 (df_rescan_blocks): Added code to remove deleted blocks from
2670 (df_ref_create_structure, df_ref_record): Added code to properly
2672 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2673 and set DF_REF_PARTIAL.
2674 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2675 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2676 (df_scan_add_problem): Added flags parameter.
2677 (df_ref_create_structure): Changed switching structure.
2678 (df_bb_refs_record): Fixed case where duplicate artificial refs
2679 were created. Changed location of flags.
2680 (df_record_entry_block_defs): Added code to make stack pointer
2681 live in entry block. Refined cases where frame pointer is needed.
2682 Changed location of flags.
2683 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2684 (df_set_state): Removed function.
2685 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2686 df_insn_create_insn_record, df_insn_refs_delete,
2687 df_ref_create_structure): Formatting changes.
2688 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2689 df_delete_basic_block): New function.
2690 (df_init): Changed location of flags.
2691 (df_add_problem): Added flags parameter and the way flags are
2693 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2694 debug_df_chain): Improved debugging output.
2695 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2696 (df_refs_chain_dump): Removed df parameter.
2697 (df_iterative_dataflow): Added consistency check.
2698 (df_prune_to_subcfg): Made public.
2699 (df_analyze_problem): Added blocks_to_init parameter and made
2701 (df_ref_record, df_bb_refs_record, df_mark_reg,
2702 df_record_exit_block_uses): Whitespace changes.
2703 (df_dump): Whitespace changes.
2704 * df.h: Some reordering to remove forward references.
2705 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2706 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2707 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2708 (dataflow.flags): New field.
2709 (df.flag): Deleted field.
2710 (df_alloc_function): Added additional bitmap parameter.
2711 (df_dependent_problem_function): New type.
2712 (df_problem.changeable_flags): New field.
2713 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2714 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2715 (df_mw_hardreg): New struct.
2716 (DF_INSN_UID_MWS): New macro.
2717 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2719 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2720 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2721 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2722 (df_set_state): Removed function.
2723 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2724 * df-problems.c (df_chain_dump): Removed df parameter.
2725 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2726 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2728 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2729 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2730 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2731 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2732 DF_REF_MUST_CLOBBER cases.
2733 (df_ru_bb_local_compute_process_def,
2734 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2735 df_lr_bb_local_compute, df_ur_bb_local_compute,
2736 df_chain_create_bb): Made subreg aware.
2737 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2738 df_lr_bb_local_compute, df_lr_bb_local_compute,
2739 df_chain_create_bb): Cleanup to use proper macros.
2740 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2741 code to fixup bitvectors.
2742 (df_ri_alloc): Cleared lifetime.
2743 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2744 df_create_unused_note): New function.
2745 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2746 REG_DEAD and REG_UNUSED notes as well as register information.
2747 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2748 df_chains_dump): Fixed crash if problem was never run.
2749 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2750 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2751 df_ri_add_problem): Processes flags in uniform manner.
2752 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2753 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2754 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2755 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2756 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2757 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2758 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2759 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2760 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2761 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2762 * see.c (see_initialize_data): Ditto.
2763 * final.c (rest_of_clean_state) Added regstack_completed.
2764 * rtl.h (regstack_completed): Ditto.
2765 * reg-stack.c (regstack_completed): Ditto.
2767 2006-05-19 Mike Stump <mrs@apple.com>
2769 * c-tree.h (default_conversion): Remove.
2770 * c-common.h (default_conversion): Add.
2772 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2774 * tree-vrp.c (valid_value_p): New function.
2775 (adjust_range_with_scev): Fail if the value of bound is not
2778 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2780 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2781 (mips_fallback_frame_state): Use syscall numbers to determine
2782 the appropriate li instruction for the current ABI. Only use
2783 __NR_sigreturn for o32.
2785 2006-05-19 Nicolas Setton <setton@adacore.com>
2787 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2788 * langhooks.c (lhd_dwarf_name): New function.
2789 * langhooks-def.h (lhd_dwarf_name): Declare.
2790 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2791 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2792 * ada/misc.c (gnat_dwarf_name): New function.
2793 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2795 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2797 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2799 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2800 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2801 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2802 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2803 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2804 determine the size of Wtype, etc.
2805 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2806 (swfloatfuncs): New variable.
2807 (dwfloatfuncs): Likewise.
2808 (lib2funcs): Remove floating-point conversion functions from
2809 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2810 the set of conversion routines needed. Allow entries to specify
2811 an object name, filename and word size. Update users accordingly.
2812 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2813 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2817 2006-02-08 Roger Sayle <roger@eyesopen.com>
2820 * config/fixtfdi.c: New libgcc source file.
2821 * config/fixunstfdi.c: New source file.
2822 * config/floatditf.c: New source file.
2823 * config/floatunditf.c: New souce file.
2824 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2825 files above instead of config/mips/_tilib.c.
2826 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2828 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2830 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2831 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2833 2006-05-18 Mike Stump <mrs@apple.com>
2835 Fix up vla, vm and [*] sematics.
2841 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2842 (c_vla_unspec_p): Add.
2843 (c_vla_type_p): Add.
2844 * c-decl.c (struct c_scope): Add had_vla_unspec.
2845 (build_array_declarator): Add support for [*].
2846 (grokdeclarator): Likewise.
2847 (grokparms): Likewise.
2848 (get_parm_info): Likewise.
2849 * c-objc-common.c (c_vla_unspec_p): Likewise.
2850 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2851 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2852 typeof when argument is a variably modified type not inside sizeof or alignof.
2853 (c_parser_direct_declarator_inner): Propagate errors.
2854 (c_parser_sizeof_expression): Add support for [*].
2855 (c_parser_parms_declarator): Initialize had_vla_unspec.
2856 (c_parser_parms_list_declarator): Likewise.
2857 * c-typeck.c (c_vla_type_p): Add.
2858 (composite_type): Add support for vla compositing.
2859 (comptypes_internal): Add support for vla compatibility.
2860 (c_expr_sizeof_expr): Evaluate vla arguments.
2861 * tree.c (variably_modified_type_p): Update comment for [*].
2863 2006-05-18 Michael Matz <matz@suse.de>
2866 * config.host: Make assignments to host_xmake_file cumulative.
2867 * config.host (*-darwin*): Test $host, not $target.
2869 2006-05-12 Stuart Hastings <stuart@apple.com>
2871 * config/i386/i386.opt (-mstackrealign): New flag.
2872 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2873 (ix86_handle_cconv_attribute): Emit error when
2874 force_align_arg_pointer attribute collides with too many regparms.
2875 (ix86_function_regparm): Limit regparms when used with
2876 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2877 Support stack-realigning prologue in non-main functions. Emit
2878 warning for nested functions under -mstackrealign, emit error for
2879 nested functions with force_align_arg_pointer attribute.
2880 * doc/extend.texi (force_align_arg_pointer): Document it.
2881 * doc/invoke.texi (-mstackrealign): Document it.
2883 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2885 PR rtl-optimization/27477
2886 * combine.c (try_combine): Don't split a parallel consisting
2887 of two sets into two individual sets if both sets reference
2890 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2892 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2893 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2895 * doc/options.texi (VarExists): Updated.
2897 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2899 * unwind-dw2.c: Add declarations for uw_update_context and
2901 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2902 detected, advance frame state and context once to skip over stub.
2904 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2908 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2909 Call rewrite_into_loop_closed_ssa only when something changed.
2910 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2911 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2912 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2913 Test for perfect_nest_p here. Fix formating.
2914 (replace_uses_equiv_to_x_with_y): Fix formating.
2915 (stmt_uses_op): Removed.
2916 (can_convert_to_perfect_nest): Removed loopivs parameter.
2917 Complete the test by checking the scalar dependences.
2918 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2921 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2924 From Dan Kegel <dank@kegel.com>:
2925 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2927 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2929 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2930 if the element type is variably modified without recursing.
2932 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2935 * tree-loop-linear.c (try_interchange_loops): Test for
2936 no data dependences.
2938 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2940 PR tree-optimization/27548
2941 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2942 range of ssa names that appear on abnormal edges.
2943 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2944 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2946 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2949 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2951 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2954 * tree.h (OMP_PARALLEL_COMBINED): Define.
2955 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2956 (new_omp_context): Add is_combined_parallel argument.
2957 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2958 new_omp_context caller.
2959 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2960 Adjust gimplify_scan_omp_clauses callers.
2961 (omp_is_private): Issue errors if iteration variable is firstprivate
2962 or reduction in the current context.
2963 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2964 on combined parallel workshare constructs.
2966 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2968 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2969 (gcc-options.o): New rule.
2971 * optc-gen.awk: Protect variables for gcc-options.o with
2972 #ifdef GCC_DRIVER/#endif.
2974 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2976 Fix PR tree-optimization/27373
2977 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2978 (forward_propagate_addr_expr): Update call.
2980 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2982 * doc/options.texi: Move the Negative option.
2984 2006-05-16 Richard Guenther <rguenther@suse.de>
2986 PR tree-optimization/22303
2987 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2989 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2990 ccp_fold did not simplify the statement.
2992 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2995 * Makefile.in (GCC_OBJS): New.
2996 (OBJS-common): Add opts-common.o.
2997 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2998 (cpp$(exeext)): Likewise.
2999 (gcc.o): Also depend on opts.h.
3000 (opts-common.o): New.
3002 * common.opt (gcoff): Add Negative(gdwarf-2).
3003 (gdwarf-2): Add Negative(gstabs).
3004 (gstabs): Add Negative(gstabs+).
3005 (gstabs+): Add Negative(gvms).
3006 (gvms): Add Negative(gxcoff).
3007 (gxcoff): Add Negative(gxcoff+).
3008 (gxcoff+): Add Negative(gcoff).
3009 * config/i386/i386.opt (m32): Add Negative(m64).
3010 (m64): Add Negative(m32).
3012 * doc/options.texi: Document the Negative option.
3014 * gcc.c: Include "opts.h".
3015 (main): Call prune_options after expandargv.
3017 * optc-gen.awk: Generate common declarations for all flag
3018 variables in options.c. Output the neg_index field.
3020 * opts.c (find_opt): Moved to ...
3021 * opts-common.c: Here. New file.
3023 * opts.h (cl_option): Add a neg_index field.
3025 (prune_options): Likewise.
3027 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3030 * omp-low.c (expand_omp_parallel): Don't assert
3031 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3032 instead search for it.
3035 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3038 2006-05-16 Andreas Schwab <schwab@suse.de>
3040 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3043 2006-05-15 Roger Sayle <roger@eyesopen.com>
3046 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3047 integer constants other than zero are only legitimate on TARGET_64BIT.
3048 <CONST_VECTOR> Only zero vectors are legitimate.
3049 (ix86_cannot_force_const_mem): Integral and vector constants can
3050 always be put in the constant pool.
3052 2006-05-16 DJ Delorie <dj@redhat.com>
3054 * crtstuff.c (__dso_handle): Set section from
3055 TARGET_LBIGCC_SDATA_SECTION if defined.
3056 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3057 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3059 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3062 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3065 2006-05-16 Ben Elliston <bje@au.ibm.com>
3067 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3069 2006-05-15 Per Bothner <per@bothner.com>
3071 * tree.c: (last_annotated_node): Use source_locus typedef.
3072 This permits bootstrapping with --enable-mapped-location.
3074 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3076 PR tree-optimization/26830
3077 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3078 (info_for_ssa_name, current_info_for_ssa_name_age,
3079 blocks_to_update): New variables.
3080 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3081 (clear_ssa_name_info, initialize_flags_in_bb,
3082 mark_block_for_update): New functions.
3083 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3084 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3085 prepare_def_site_for): Use mark_block_for_update.
3086 (mark_def_interesting): Assert that the processed block is marked in
3087 blocks_to_update. Do not take blocks argument.
3088 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3090 (rewrite_update_init_block, rewrite_update_stmt): Only process
3091 blocks with statements to rewrite.
3092 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3093 (update_ssa): Initialize and free blocks_to_update. Do not
3094 clear flags on statements. Do not use blocks bitmap.
3095 * tree.h (SSA_NAME_AUX): Removed.
3096 (struct tree_ssa_name): Removed aux field.
3097 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3099 2006-05-15 Richard Guenther <rguenther@suse.de>
3101 PR tree-optimization/27603
3102 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3103 Do computations in original type.
3105 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3107 * see.c: Code style changes such as redundant paranthesis,
3108 redundant intialization of local variables etc.
3109 (see_main): Declared now as static.
3110 * doc/invoke.texi: Update that -fsee is not enabled by
3113 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3115 * omp-low.c (check_omp_nesting_restrictions): New function.
3116 (scan_omp_1): Call it.
3119 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3120 construct, return *VAR.
3122 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3124 PR rtl-optimization/27406
3125 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3128 2006-05-14 Roger Sayle <roger@eyesopen.com>
3130 PR rtl-optimization/27538
3131 * combine.c (expand_compound_operation): Call gen_lowpart
3132 before calling simplify_shift_const.
3134 2006-05-14 Roger Sayle <roger@eyesopen.com>
3136 PR rtl-optimization/22563
3137 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3138 a fixed width bitfield, always force the intermediates into psuedos.
3140 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3143 * mkconfig.sh: Use operator = instead of == for test.
3145 2006-05-13 Nick Clifton <nickc@redhat.com>
3147 * dwarf2out.c (dbx_reg_number): Check return value from
3148 LEAF_REG_REMAP and only use it if it is valid.
3149 (multiple_reg_loc_descriptor): Likewise.
3151 2006-05-13 Richard Guenther <rguenther@suse.de>
3153 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3156 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3158 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3159 information attached to non-INSNs such as NOTEs.
3160 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3162 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3164 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3166 * config/s390/s390.md: Adjust comment describing On constraint.
3168 2006-05-11 Jan Hubicka <jh@suse.cz>
3170 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3171 to be output at -O0.
3173 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3176 * fold-const.c (size_binop): Move sanity check for arguments to
3177 the beginning of the function.
3180 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3183 2006-05-11 Richard Guenther <rguenther@suse.de>
3186 * fold-const.c (fold_unary): Handle intermediate conversion
3187 to a pointer type like intermediate conversion to an integer
3188 type in folding of (T1)(T2)var to var.
3189 Match the code to the comment in the final conversion for
3190 (T1)(T2)var to (T1)var regarding to type precision. Rather
3191 than disallow T1 being of pointer type, assert that both T1
3192 and var are of pointer type or not. Make sure not to fall
3193 over the frontends lazyness wrt array to pointer decay though.
3195 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3197 * arm.c (arm_struct_value_rtx): Delete.
3198 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3199 (arm_init_cumulative_args): Always initialize nregs to zero.
3201 2006-05-10 Richard Guenther <rguenther@suse.de>
3203 PR tree-optimization/27532
3204 * tree-object-size.c (plus_expr_object_size): Fix typo.
3206 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3209 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3210 ashrdi_const, ashrdi3): Use a scratch register.
3212 2006-05-10 Richard Guenther <rguenther@suse.de>
3214 PR tree-optimization/27302
3215 * fold-const.c (operand_equal_p): For two comparisons,
3216 try comparison of one comparison code swapped if that yields
3219 2006-05-10 Ben Elliston <bje@au.ibm.com>
3221 * tree-pretty-print.c (pretty_print_string): No need to handle
3222 '\0' as a special character.
3224 * tree.h: Include "hashtab.h".
3225 (iterative_hash_expr): Use hashval_t in its prototype.
3226 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3228 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3231 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3232 (hppa*64*-*-hpux11*): Ditto.
3233 (hppa[12]*-*-hpux11*): Ditto.
3235 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3238 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3240 2006-05-09 Michael Matz <matz@suse.de>
3242 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3243 host_extra_gcc_objs and host_xmake_file.
3244 (<*-*-linux*>): Don't overwrite host_xmake_file.
3245 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3246 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3247 (host_detect_local_cpu): Declare.
3248 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3249 * config/i386/i386.c (override_options): Handle -mtune=native
3251 * config/i386/x-i386: New file.
3252 * config/i386/driver-i386.c: New file.
3253 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3256 2006-05-09 Dirk Mueller <dmueller@suse.de>
3257 Richard Guenther <rguenther@suse.de>
3260 * fold-const.c (fold_read_from_constant_string): Relax check
3261 for matching types to matching modes.
3263 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3265 PR rtl-optimization/27335
3266 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3269 2006-05-08 Chao-ying Fu <fu@mips.com>
3270 Richard Sandiford <richard@codesourcery.com>
3272 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3273 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3274 * config/mips/mips.md (UNSPEC_SCC): New constant.
3275 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3276 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3277 (mips_emit_compare): Use it.
3278 (mips_expand_vcondv2sf): New function.
3280 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3282 Fix PR tree-optimization/27093
3283 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3284 renaming when they become not-used_alone.
3286 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3288 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3289 relocation and relocation stubs.
3291 2006-05-08 Eric Christopher <echristo@apple.com>
3293 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3296 2006-05-08 Jan Hubicka <jh@suse.cz>
3299 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3300 unused static functions are needed.
3302 2006-05-08 Roger Sayle <roger@eyesopen.com>
3305 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3306 of a reg_equiv_constant if the result is a legitimate constant.
3308 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3311 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3312 standard 80387 constants, raise the cost to prevent
3313 compress_float_constant() to generate load from memory.
3315 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3317 * config/arm/constraints.md (c): Fix a typo.
3319 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3322 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3325 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3327 (_mm_mwait): Likewise.
3329 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3331 (sse3_monitor): Make it 32bit only.
3332 (sse3_monitor64): New. 64bit monitor.
3334 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3337 * config/i386/i386.c (classify_argument): Skip fields with invalid
3340 2006-05-07 Richard Guenther <rguenther@suse.de>
3342 PR tree-optimization/27409
3343 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3344 Do not try to find zero-sized subvars.
3346 2006-05-07 Richard Guenther <rguenther@suse.de>
3348 PR tree-optimization/27136
3349 * tree-ssa-loop-niter.c (get_val_for): Correct function
3350 comment, assert requirements.
3351 (loop_niter_by_eval): Stop processing if the iterated
3352 value did not simplify.
3354 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3356 * opts.c (flag_see): remove its setting at -O3.
3358 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3360 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3361 * arm/constraints.md: New file.
3362 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3363 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3364 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3365 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3366 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3367 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3368 * arm.md: Include constraints.md.
3369 (thumb_movsi_insn): Use satisfies_constraint_J.
3370 (movhi, movqi): Use satisfies_constraint_I.
3372 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3374 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3375 for atmeg a645 device.
3377 2006-05-06 Richard Guenther <rguenther@suse.de>
3379 PR tree-optimization/27151
3380 * tree-vect-transform.c (vectorizable_condition): Punt on
3381 values that have a different type than the condition.
3383 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3386 * c-parser.c (c_parser_cast_expression): Only insert casts into
3387 hash table if pointer.
3388 * function.c (used_types_insert_helper): Rename from
3390 (used_types_insert): Call used_types_insert_helper.
3391 * function.h (used_types_insert): Accept only one argument.
3393 2006-05-05 David Edelsohn <edesohn@gnu.org>
3395 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3396 scratch with output modifier.
3398 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3401 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3402 with output modifier.
3404 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3407 * config/mips/mips.c (mips_symbolic_address_p): Return true
3408 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3409 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3411 2006-05-04 Richard Guenther <rguenther@suse.de>
3413 PR tree-optimization/14287
3414 PR tree-optimization/14844
3415 PR tree-optimization/19792
3416 PR tree-optimization/21608
3417 PR tree-optimization/27090
3418 * tree-ssa-pre.c (try_combine_conversion): New function.
3419 (compute_avail): After constructing the value-handle
3420 expression, use try_combine_conversion to combine NOP_EXPRs
3421 with previous value-handle expressions and use the result if it
3424 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3426 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3428 2006-05-04 Jan Hubicka <jh@suse.cz>
3431 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3433 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3435 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3436 that this only matches CONST_INTs. All users changed to VOIDmode
3439 * config/bfin/bfin.c: Include "optabs.h".
3440 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3442 (enum bfin_builtins): Add a number of fractional and vector builtins.
3443 (bfin_init_builtins): Likewise.
3444 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3445 (safe_vector_operand, bfin_expand_binop_builtin,
3446 bfin_expand_unop_builtin): New functions.
3447 (bfin_expand_builtin): Handle the new builtins.
3448 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3451 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3454 * Makefile.in (OBJS-common): Add see.o.
3455 (see.o): Add dependencies.
3456 * common.opt (fsee): New flag for the see optimization was added.
3457 * opts.c (flag_see): Initialized.
3458 * passes.c (init_optimization_passes, pass_see): New pass.
3459 * rtl.h (see_main): Declaration as extern.
3460 * timevar.def (TV_SEE): New.
3461 * tree-pass.h (pass_see): Declaration as extern.
3462 * invoke.texi (-fsee): Document.
3463 * recog.c (validate_simplify_insn): New function.
3464 * recog.h (validate_simplify_insn): Declaration as extern.
3465 * df-problems.c (df_chain_dump): Check for NULL.
3467 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3468 Daniel Berlin <dberlin@dberlin.org>
3470 * cfgrtl.c (insert_insn_bb_end_new): New function.
3471 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3473 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3475 * df.h (struct web_entry): Moved from web.c.
3476 (union_defs): Declaration as extern.
3477 (unionfind_root): Likewise.
3478 (unionfind_union): Likewise.
3479 * web.c (struct web_entry): Moved to df.h.
3480 (unionfind_root): Remove static declaration.
3481 (unionfind_union): Likewise.
3482 (union_defs): Likewise and generalize to use callback function.
3483 (web_main): Update arguments for union_defs function call.
3485 2006-05-04 Richard Guenther <rguenther@suse.de>
3487 PR tree-optimization/26447
3488 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3489 produce SSA_NAME copies before the store stmt to avoid
3490 breaking exception handling.
3492 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3495 * gimplify.c (omp_is_private): If var is shared in some outer context,
3496 return false instead of true. Stop searching on parallel context
3499 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3502 * coverage.c: Use get_gcov_unsigned_t() instead of
3503 unsigned_type_node all over.
3505 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3507 PR tree-optimization/27381
3508 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3509 maintain the same immediate_use links.
3510 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3511 node rather than segfaulting.
3513 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3516 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3517 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3518 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3520 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3522 Fix PR tree-optimization/26626
3523 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3525 * tree-ssa-operands.c (access_can_touch_variable): Allow
3526 typecasting through union pointers.
3528 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3531 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3532 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3533 to find if var will be a global variable even in the nested context.
3534 (omp_copy_decl): Only check for global variable at the end, it might
3535 be overridden in outer contexts.
3536 (scan_sharing_clauses): For global variables don't create a field.
3537 (lower_rec_input_clauses): Do nothing for global shared variables.
3538 Emit a barrier at the end of ILIST if there were any decls in both
3539 firstprivate and lastprivate clauses.
3540 (lower_send_clauses): Do nothing for global variables except for
3543 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3545 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3546 of the correct signedness is returned.
3548 2006-05-02 Jeff Law <law@redhat.com>
3550 PR tree-optimization/27364
3551 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3552 multiply expressions.
3554 2006-05-02 Tom Tromey <tromey@redhat.com>
3556 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3558 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3561 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3562 -mthumb -fPIC are used.
3564 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3565 Joshua Kinard <kumba@gentoo.org>
3568 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3569 with 64-bit pointers.
3571 2006-05-02 Paul Brook <paul@codesourcery.com>
3573 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3575 (create_fix_barrier): Check that a suitable barrier location is
3577 (arm_reorg): Include ftmp->address in allowable range of addresses.
3579 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3582 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3585 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3588 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3589 around RESULT_DECL for result passed by reference.
3590 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3591 * omp-low.c (use_pointer_for_field): Don't look at
3592 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3593 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3594 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3595 time or var for passing by reference for
3596 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3597 TREE_ADDRESSABLE variables when passing by reference.
3599 * omp-low.c (dump_omp_region): Fix output formatting.
3602 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3603 (expand_omp_parallel): Likewise.
3604 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3607 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3608 on statement list containing also constructors and destructors.
3609 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3612 * except.c (duplicate_eh_regions): Fix clearing of
3613 cfun->eh->region_array entries.
3615 2006-05-01 DJ Delorie <dj@redhat.com>
3617 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3619 (gcc_cv_objdump): Likewise.
3620 * configure: Regenerated.
3622 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3625 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3626 templates for case 3 and 4.
3628 2006-05-01 DJ Delorie <dj@redhat.com>
3630 * vec.c: Include bconfig.h when appropriate.
3631 * Makefile.in (build/vec.o): Adjust dependencies.
3632 * mkconfig.sh: Make sure config.h isn't used for build machine
3635 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3637 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3639 (mark_phi_for_rewrite): New function.
3640 (insert_phi_nodes_for, mark_use_interesting): Call
3641 mark_phi_for_rewrite.
3642 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3643 (update_ssa): Initialize and free phis_to_rewrite.
3645 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3647 PR rtl-optimization/27291
3648 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3649 folded to a constant.
3651 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3653 PR tree-optimization/27283
3654 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3655 not whole # of iteration descriptions.
3656 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3657 uses abnormal ssa name.
3658 (niter_for_single_dom_exit): Ditto.
3659 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3660 return just the number of iterations.
3662 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3664 PR tree-optimization/27144
3665 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3666 (record_estimate): Only record constant upper bound.
3667 (infer_loop_bounds_from_undefined): Call
3668 compute_estimated_nb_iterations just once.
3669 (proved_non_wrapping_p): Renamed to ...
3670 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3671 (convert_step_widening, scev_probably_wraps_p): Call
3672 n_of_executions_at_most instead of proved_non_wrapping_p.
3673 (substitute_in_loop_info): Do not replace values in bounds.
3674 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3677 2006-05-01 Richard Henderson <rth@redhat.com>
3680 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3681 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3684 2006-05-01 Roger Sayle <roger@eyesopen.com>
3686 * c-typeck.c (parser_build_binary_op): Don't call the function
3687 unsigned_conversion_warning to spot operand/result type overflow.
3688 (build_binary_op): Instead, call convert_and_check instead of
3689 convert to report the problem when the operands are promoted.
3690 * c-common.c (unsigned_conversion_warning): Make static.
3691 * c-common.h (unsigned_conversion_warning): Delete prototype.
3693 2006-05-01 Richard Guenther <rguenther@suse.de>
3695 PR tree-optimization/26726
3696 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3698 (find_interesting_uses_address): ... we work around here
3699 by folding INDIRECT_REFs in the substituted base.
3701 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3703 * omp-low.c (dump_omp_region): Add newlines.
3705 2006-04-30 Roger Sayle <roger@eyesopen.com>
3707 * common.opt (Woverflow): New command line option.
3708 * c-common.c (constant_expression_warning): Check warn_overflow.
3709 (overflow_waring): Pass OPT_Woverflow to warning.
3710 (unsigned_conversion_warning): Likewise.
3711 (convert_and_check): Likewise.
3712 * doc/invoke.texi: Document new command line option.
3714 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3716 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3717 TARGET_NO_FP_IN_TOC for section anchors.
3718 (optimization_options): Enable section anchors for all
3719 non-"Objective" languages.
3721 2006-04-28 Eric Christopher <echristo@apple.com>
3723 * config/darwin-c.c (darwin_ms_struct): Move this
3724 (darwin_set_default_type_attributes): and this...
3725 * config/darwin.c: ... here.
3726 * config/darwin.h (darwin_ms_struct): Declare.
3728 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3730 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3732 2006-04-28 Roger Sayle <roger@eyesopen.com>
3735 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3736 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3737 an unsigned HOST_WIDE_INT.
3738 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3740 (really_start_incremental_init): No need to call convert because
3741 bitsize_zero_node is already of type bitsizetype.
3742 (push_init_level): Extract the value of constructor_index as an
3743 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3744 (process_init_element): Likewise.
3746 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3748 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3749 value before passing to make_relative_prefix.
3751 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3754 * builtins.c (expand_builtin_memset): Expand val in original mode.
3756 2006-04-27 Eric Christopher <echristo@apple.com>
3758 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3759 with #ifndef/#endif.
3760 * config/darwin-c.c (darwin_ms_struct): New.
3761 (darwin_pragma_ms_struct): Ditto.
3762 (darwin_set_default_type_attributes): Ditto.
3763 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3764 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3765 Register ms_struct pragma.
3766 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3767 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3768 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3769 darwin_set_default_type_attributes if TARGET_MACHO.
3771 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3773 PR tree-optimization/26854
3774 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3775 * doc/tree-ssa.texi: Update immuse iterator documentation.
3776 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3777 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3778 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3779 first_safe_imm_use, next_safe_imm_use): Remove.
3780 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3781 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3782 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3783 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3784 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3785 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3786 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3787 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3788 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3789 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3790 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3791 (perfect_nestify): Use new iterator.
3792 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3794 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3795 (next_imm_name): New field in struct immediate_use_iterator_d.
3796 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3797 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3798 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3799 * tree-cfg.c (replace_uses_by): Use new iterator.
3800 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3801 * tree-ssa-operands.c (correct_use_link): Remove.
3802 (finalize_ssa_use_ops): No longer call correct_use_link.
3804 2006-04-27 Stuart Hastings <stuart@apple.com>
3806 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3807 * config/t-darwin (crt3.o): Use it.
3808 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3809 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3810 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3811 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3812 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3815 2006-04-27 Roger Sayle <roger@eyesopen.com>
3817 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3818 size, force the intermediate into a new pseudo rather instead of
3819 performing both a bitwise AND and a bitwise IOR in memory.
3821 2006-04-27 Richard Guenther <rguenther@suse.de>
3823 PR rtl-optimization/26685
3824 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3825 this one "max-flow-memory-locations".
3827 2006-04-27 Richard Guenther <rguenther@suse.de>
3829 PR tree-optimization/25148
3830 * tree-vrp.c (compare_values): Remove code dealing with
3831 comparisons against type min/max value. Honour overflow
3832 and negative constants in code dealing with comparisons
3833 of plus and minus expressions.
3834 (value_inside_range): Use fold_binary with LE_EXPR and
3835 GE_EXPR rather than compare_values.
3837 2006-04-27 Dirk Mueller <dmueller@suse.de>
3839 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3842 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3844 * basic-block.h (safe_insert_insn_on_edge): Removed.
3845 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3847 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3848 Paolo Bonzini <bonzini@gnu.org>
3851 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3852 (simplify_and_const_int): Same.
3854 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3856 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3858 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3861 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3862 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3863 cgraph_global_info_ready.
3866 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3869 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3870 either decl or init is error_mark_node.
3873 * tree-flow.h (struct omp_region): Add sched_kind.
3874 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3875 instead of extracting omp for data.
3876 (expand_omp_for): Save extracted sched_kind.
3878 2006-04-25 Roger Sayle <roger@eyesopen.com>
3880 * expmed.c (store_bit_field): Also check whether the bitsize is
3881 valid for the machine's "insv" instruction before moving the
3882 target into a pseudo for use with the insv.
3883 * config/i386/predicates.md (const8_operand): New predicate.
3884 * config/i386/i386.md (extv, extzv, insv): Use the new
3885 const8_operand predicate where appropriate.
3887 2006-04-25 DJ Delorie <dj@redhat.com>
3889 * doc/install.texi (Specific): Clarify that this is not a list of
3890 supported hosts or targets.
3892 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3894 PR rtl-optimization/26725
3895 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3896 block's BB_DIRTY flag.
3898 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3900 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3903 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3904 to print an integer.
3906 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3908 * varasm.c (align_variable): New function.
3909 (get_block_for_decl): Apply align_variable to DECL before
3910 calculating section information.
3911 (assemble_variable): Split out alignment computation.
3913 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3915 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3918 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3920 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3921 MODE_PARTIAL_INT mode.
3922 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3923 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3925 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3926 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3928 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3930 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3932 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3933 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3934 MACFLAG_IH): Likewise.
3935 (movstricthi_1): Renamed from "*movstricthi".
3936 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3937 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3938 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3939 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3940 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3941 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3942 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3943 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3944 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3945 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3946 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3947 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3948 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3949 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3950 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3952 * doc/rtl.texi (ss_ashift): Improve wording.
3954 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3956 * dwarf2out.c (verify_marks_clear): New.
3957 (prune_unused_types): Call verify_marks_clear initially, not
3960 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3962 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3963 * doc/rtl.texi: Document them.
3964 * simplify-rtx.c (simplify_unary_operation,
3965 simplify_binary_operation_1): Don't abort when we see them.
3967 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3970 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3971 * configure.ac: Completely disregard languages that are not
3973 * configure: Regenerated.
3975 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3976 Richard Guenther <rguenther@suse.de>
3978 PR tree-optimization/27236
3979 * tree-inline.c (copy_body_r): Make sure to copy
3980 TREE_THIS_VOLATILE flag.
3982 2006-04-24 Richard Guenther <rguenther@suse.de>
3985 * tree-complex.c (update_parameter_components): Don't handle
3986 unused parameters which have no default def.
3988 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3989 Richard Guenther <rguenther@suse.de>
3991 PR tree-optimization/27218
3992 * tree-inline.c (expand_call_inline): Strip useless type
3993 conversions for the return slot address.
3995 2006-04-24 Richard Guenther <rguenther@suse.de>
3997 * cfgloop.h (struct loops): Remove unused field array. Reorder
3999 (LOOP_PREFETCH): Remove.
4001 2006-04-24 Richard Guenther <rguenther@suse.de>
4003 PR tree-optimization/22525
4004 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4005 variable, adjust types of generated expressions.
4007 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4009 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4010 (tree-vect-patterns.o): Likewise.
4012 (cselib.o): Likewise.
4013 (loop-doloop.o): Likewise.
4014 (regclass.o): Likewise.
4015 (reload1.o): Likewise.
4016 (explow.o): Replace target.h with $(TARGET_H).
4017 (ipa-prop.o): Likewise.
4018 (ipa-cp.o): Likewise.
4019 (ipa-inline.o): Likewise.
4020 (reorg.o): Likewise.
4021 (reg-stack.o): Likewise.
4023 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4025 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4027 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4029 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4031 * configure.ac: Completely disregard languages that are not
4033 * configure: Regenerated.
4036 * c-common.h (c_build_bitfield_integer_type): Declare.
4037 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4038 * c-common.c (c_build_bitfield_integer_type): ... here.
4040 2006-04-23 Roger Sayle <roger@eyesopen.com>
4043 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4044 a SImode SUBREG of a floating point register after no_new_pseudos.
4046 2006-04-23 Roger Sayle <roger@eyesopen.com>
4048 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4049 identify potentially eliminable registers to additionally catch
4050 VIRTUAL_INCOMING_ARGS_REGNUM.
4051 (addsi3): Update the conditions on when to use addsi_small_int.
4053 2006-04-23 Roger Sayle <roger@eyesopen.com>
4056 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4057 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4058 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4060 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4062 * fold-const.c (range_predecessor): Use operand_equal_p
4063 as the predicate for equality.
4064 (range_successor): Likewise.
4066 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4069 * config/soft-fp/op-common.h: Fix a typo.
4071 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4074 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4075 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4077 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4079 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4081 * doc/tm.texi: Fix a typo.
4083 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4085 * dwarf2out.c (struct die_struct): Document that die_sib makes
4086 a circular linked list.
4087 (FOR_EACH_CHILD): New.
4088 (reverse_die_lists): Delete.
4089 (reverse_all_dies): Delete.
4090 (add_dwarf_attr): Correct documentation.
4091 (remove_child_with_prev): New.
4092 (remove_child_TAG): Update for change to die_struct, use
4093 remove_child_with_prev.
4094 (add_child_die): Update for change to die_struct.
4095 (splice_child_die): Use remove_child_with_prev and add_child_die.
4096 (print_die): Use FOR_EACH_CHILD.
4097 (die_checksum): Likewise.
4098 (assign_symbol_names): Likewise.
4099 (output_location_lists): Likewise.
4100 (build_abbrev_table): Likewise.
4101 (calc_die_sizes): Likewise.
4102 (mark_dies): Likewise.
4103 (unmark_dies): Likewise.
4104 (unmark_all_dies): Likewise.
4105 (output_die): Likewise.
4106 (prune_unused_types_mark): Likewise.
4107 (prune_unused_types_walk): Likewise.
4108 (same_die_p): Update for change to die_struct.
4109 (break_out_includes): Likewise.
4110 (prune_unused_types_prune): Likewise.
4111 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4112 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4114 (dwarf2out_finish): Don't call reverse_all_dies.
4116 2006-04-21 Eric Christopher <echristo@apple.com>
4118 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4119 in comments and function names.
4121 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4124 * c-typeck.c (digest_init): Robustify.
4126 * c-typeck.c (pop_init_level): Simplify.
4128 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4130 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4132 2006-04-21 Paul Brook <paul@codesourcery.com>
4134 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4135 hardware floating point.
4137 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4139 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4142 2006-04-21 Nick Clifton <nickc@redhat.com>
4144 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4147 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4150 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4151 C++ lang type in traceback table for Objective-C++.
4153 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4155 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4157 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4159 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4162 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4163 were errors. Remove check for erroneous objects.
4165 2006-04-20 Jeff Law <law@redhat.com>
4167 PR tree-optimization/26854
4168 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4169 checking for zero or one use.
4170 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4171 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4172 * tree-ssa-reassoc.c (negate_value): Similarly.
4173 (reassociate_bb): Similarly.
4175 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4177 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4178 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4179 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4181 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4183 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4184 fp regs if the last fp arg doesn't fit in regs.
4186 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4189 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4190 that the last insn has the REG_INC note.
4192 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4193 Nathan Sidwell <nathan@codesourcery.com>
4196 * stor-layout.c (update_alignment_for_field): Do not align
4198 (place_union_field): Place union field at the start of the union.
4199 (place_field): Move ERROR_MARK check later, and use the current
4200 allocation position to maintain monotonicity.
4202 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4204 * dominance.c: Include timevar.h.
4205 (calculate_dominance_info): Use TV_DOMINANCE.
4206 * timevar.def (TV_DOMINANCE): New timevar.
4207 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4209 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4211 PR rtl-optimization/14261
4212 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4213 move would be an INSV insn.
4214 (noce_process_if_block): Don't optimize if the destination is a
4215 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4217 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4219 * config/s390/s390.md: Add comments with the instructions emitted
4220 by an insn pattern if macros are used.
4222 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4224 PR rtl-optimization/26026
4225 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4226 is a known power of two shifted left a variable amount.
4228 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4230 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4231 to hash table twice when the debug_str section has SECTION_MERGE.
4233 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4235 * config/soft-fp: New directory. From glibc.
4236 * config/soft-fp/t-softfp: New.
4237 * config/soft-fp/README: New.
4238 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4239 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4240 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4241 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4242 * config.gcc: Use rs6000/t-fprules-fpbit or
4243 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4245 * config/rs6000/sfp-machine.h: New. Based on glibc.
4246 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4248 * config/rs6000/t-fprules: Remove fp-bit rules.
4249 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4250 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4251 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4252 (softfp_wrap_start, softfp_wrap_end): New.
4254 2006-04-18 DJ Delorie <dj@redhat.com>
4256 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4258 2006-04-18 Devang Patel <dpatel@apple.com>
4260 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4262 2006-04-18 Nick Clifton <nickc@redhat.com>
4264 * config/sh/t-symbian: Add rule to build sh-c.o
4265 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4266 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4267 (sh_symbian_encode_section_info): Likewise.
4269 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4271 * builtins.c (expand_builtin_strcmp): Cover label definition of
4272 do_libcall with HAVE_cmpstrnsi.
4274 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4276 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4278 * function.h (temp_slot_p): New.
4279 (function): Change the type of x_used_temp_slots to
4280 VEC(temp_slot_p,gc) *.
4282 2006-04-18 Nick Clifton <nickc@redhat.com>
4284 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4285 flag_strength_reduce.
4287 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4289 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4293 Partial revert of revision 112637
4294 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4295 Dale Johannesen <dalej@apple.com>
4298 * regclass.c (struct reg_pref): Update documentation.
4299 (regclass): Set prefclass to NO_REGS if memory is the best option.
4300 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4302 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4304 PR tree-optimization/26821
4305 * tree-ssa-math-opts.c (get_constant_one): New.
4306 (insert_reciprocals): Use it.
4308 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4310 * dwarf2out.c (free_AT): Delete.
4311 (remove_AT): Update string ref counts.
4312 (remove_child_TAG): Don't call free_die.
4314 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4315 or DW_TAG_GNU_EINCL.
4316 (prune_unused_types_walk_attribs): Reset string refcounts.
4317 (prune_unused_types_update_strings): New.
4318 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4319 call free_die. Do call prune_unused_types_update_strings.
4320 (prune_unused_types): Empty debug_str_hash.
4322 2006-04-17 Roger Sayle <roger@eyesopen.com>
4324 * expr.c (expand_assignment): Optimize away no-op moves where the
4325 source and destination are equal and have no side-effects.
4327 2006-04-17 Richard Guenther <rguenther@suse.de>
4330 * reload.c (push_reload): Guard calls to get_secondary_mem
4333 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4335 * alias.c (reg_base_value, old_reg_base_value): Change the
4336 type to VEC(rtx,gc) *.
4337 (REG_BASE_VALUE, find_base_value, record_set,
4338 init_alias_analysis): Use VEC instead of VARRAY.
4340 * alias.c (alias_sets): Change the type to
4341 VEC(alias_set_entry,gc) *.
4342 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4343 VEC instead of VARRAY.
4344 (last_alias_set): Remove.
4346 * cgraph.h (cgraph_edge_p): New.
4347 Update the prototype of cgraph_function_versioning.
4348 * cgraphunit.c (cgraph_copy_node_for_versioning,
4349 cgraph_function_versioning): Use VEC instead of VARRAY.
4350 * ipa-cp.c (ipcp_insert_stage): Likewise.
4352 2006-04-16 Roger Sayle <roger@eyesopen.com>
4355 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4356 "A op B" or "A op C", we may need to convert A to the type of B and C.
4358 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4360 * target.h (struct gcc_target): Add mode_rep_extended.
4361 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4362 (init_num_sign_bit_copies_in_rep): Initialize it using
4364 (truncate_to_mode): Use it.
4365 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4366 * targhooks.h (default_mode_rep_extended): Declare it.
4367 * targhooks.c (default_mode_rep_extended): Define it.
4368 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4369 default_mode_rep_extended.
4370 (TARGET_INITIALIZER): Include it.
4371 * doc/tm.texi (Misc): Document it.
4372 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4373 (mips_truncated_to_mode): New function.
4375 2006-04-16 Roger Sayle <roger@eyesopen.com>
4378 * expr.c (compress_float_constant): Copy the narrow constant into
4379 a new pseudo before extending it to its final width.
4381 2006-04-16 Roger Sayle <roger@eyesopen.com>
4382 Andrew Pinski <pinskia@gcc.gnu.org>
4383 Dale Johannesen <dalej@apple.com>
4386 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4387 special case code to implement V8HImode and V16QImode with SSE2.
4389 2006-04-15 Roger Sayle <roger@eyesopen.com>
4391 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4392 trees are constructed with a suitable tree type.
4394 2006-04-15 Roger Sayle <roger@eyesopen.com>
4396 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4397 (integer_onep): Likewise.
4398 (integer_all_onesp): Likewise.
4399 (integer_pow2p): Likewise.
4400 (integer_nonzerop): Likewise.
4401 (real_zerop): Likewise.
4402 (real_onep): Likewise.
4403 (real_twop): Likewise.
4404 (real_minus_onep): Likewise.
4405 (int_size_in_bytes): Likewise.
4406 (host_integerp): Likewise.
4408 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4410 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4411 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4412 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4414 * tree-ssa-structalias.h (alias_info): Remove num_references.
4416 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4418 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4419 (output_bvb patterns): Likewise.
4420 * pa.c (output_bb): Use 'bb' insn for long branch case.
4421 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4422 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4423 1. Correct length operand for alternatives 1 and 2.
4424 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4425 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4427 2006-04-14 Roger Sayle <roger@eyesopen.com>
4429 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4430 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4431 were accidentally reverted by r112959.
4433 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4436 * except.h (eh_region_outermost): New prototype.
4437 * except.c (eh_region_outermost): New function.
4438 * tree-cfg.c (find_outermost_region_in_block): Use it.
4440 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4442 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4444 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4445 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4446 (init_reload, reload): Use VEC instead of VARRAY.
4447 * reload.h: Update the prototype for
4448 reg_equiv_memory_loc_varray.
4450 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4451 Eric Botcazou <ebotcazou@libertysurf.fr>
4453 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4456 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4459 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4460 to expand fallback builtin function call.
4462 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4465 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4466 and emit libcall here in case the builtin fails.
4467 (expand_builtin_strcmp): Always emit the libcall here on failure.
4469 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4471 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4472 * flow.c (reg_n_info): Change the type to
4473 VEC(reg_info_p,heap) *.
4474 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4476 * regs.h (reg_info_p): New.
4477 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4478 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4479 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4482 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4484 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4486 * params.h (MAX_SCHED_READY_INSNS): New macro.
4487 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4488 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4489 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4490 the ready list for 1 cycle during the first scheduling pass.
4491 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4493 2006-04-13 Richard Henderson <rth@redhat.com>
4496 * gimple-low.c (lower_omp_directive): Remove dead code.
4497 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4498 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4499 * omp-low.c (struct omp_region): Move to tree-flow.h.
4500 (root_omp_region): Export.
4501 (omp_regions, lookup_omp_region): Remove.
4502 (determine_parallel_type): Update for struct omp_region changes.
4503 (dump_omp_region): Dump regions with block numbers.
4504 (new_omp_region): Take type and block instead of stmt; malloc
4506 (free_omp_region_1, free_omp_regions): New.
4507 (expand_parallel_call): Take entry_stmt as argument; update for
4508 changes to omp_region.
4509 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4510 (remove_exit_barriers): New.
4511 (expand_omp_parallel): Update for struct omp_region changes.
4512 (expand_omp_synch): Likewise.
4513 (expand_omp): Likewise.
4514 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4515 (expand_omp_for_static_chunk): Likewise.
4516 (expand_omp_for): Likewise.
4517 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4518 (expand_omp_sections): Similarly, with GOMP_sections_end.
4519 (expand_omp_single): New.
4520 (build_omp_regions_1): Update for OMP_CONTINUE.
4521 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4522 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4523 OMP_SECTIONS_SECTIONS.
4524 (lower_omp_single_simple): Don't emit barrier here.
4525 (lower_omp_single_copy): Likewise.
4526 (lower_omp_single): Fix bindings, and lower to straightline now.
4527 (lower_omp_master, lower_omp_ordered): Likewise.
4528 (lower_omp_critical): Likewise.
4529 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4530 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4531 omp edges, free it afterward.
4532 (make_omp_sections_edges): Remove.
4533 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4534 (move_stmt_r): Handle OMP_CONTINUE.
4535 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4536 statement pointers to basic blocks. Add type member.
4537 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4538 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4539 * tree-inline.c (estimate_num_insns_1): Likewise.
4540 * tree-pretty-print.c (dump_generic_node): Likewise.
4541 * tree-ssa-operands.c (get_expr_operands): Likewise.
4542 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4543 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4544 (OMP_CONTINUE): New.
4545 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4546 (OMP_SECTIONS_SECTIONS): Remove.
4547 (OMP_SECTION_LAST): New.
4548 (OMP_RETURN_NOWAIT): New.
4550 2006-04-13 Roger Sayle <roger@eyesopen.com>
4552 * fold-const.c (native_encode_vector, native_interpret_real):
4553 Correct obvious mistakes in the previous check-in.
4555 2006-04-13 Roger Sayle <roger@eyesopen.com>
4557 * fold-const.c (native_encode_expr): New function to encode
4558 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4559 or VECTOR_CST into a specified buffer.
4560 (native_encode_int): New function.
4561 (native_encode_real): New function.
4562 (native_encode_complex): New function.
4563 (native_encode_vector): New function.
4564 (native_interpret_expr): Inverse of native_encode_expr to convert
4565 a target representation into an INTEGER_CST, REAL_CST etc...
4566 (native_interpret_int): New function.
4567 (native_interpret_real): New function.
4568 (native_interpret_complex): New function.
4569 (native_interpret_vector): New function.
4570 (fold_view_convert_expr): New function to constant fold/evaluate
4571 a VIEW_CONVERT_EXPR of a suitable constant expression.
4572 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4573 Change call of build1 to fold_build1 when constructing a
4576 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4577 Ulrich Weigand <uweigand@de.ibm.com>
4580 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4583 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4586 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4587 optimize to lo_sum for DFmode if !TARGET_FPRS.
4589 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4591 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4592 delete_alias_info, compute_flow_sensitive_aliasing,
4593 group_aliases): Use VEC instead of VARRAY.
4594 * tree-ssa-structalias.c (update_alias_info): Likewise.
4595 * tree-ssa-structalias.h (alias_info): Change the type of
4596 processed_ptrs to VEC(tree,heap) *.
4598 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4601 * config/sh/lib1funcs.h: New file, broken out of:
4602 * config/sh/lib1funcs.asm.
4603 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4605 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4606 * config/sh/lib1funcs-Os-4-200.asm: New file.
4607 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4608 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4609 (EXTRA_MULTILIB_PARTS): Include it.
4610 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4611 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4612 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4613 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4616 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4618 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4619 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4620 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4622 * tree-ssa-live.h: Include vecprim.h.
4623 (tree_partition_associator_d): Change the type of
4624 first_partition to VEC(int,heap) *.
4625 (tpa_first_partition): Use VEC instead of VARRAY.
4627 * Makefile.in (GTFILES): Move functions.h after tree.h.
4628 * function.c (reset_block_changes, record_block_change,
4629 check_block_change, free_block_changes): Use VEC instead of
4631 * function.h (function): Change the type of
4632 ib_boundaries_block to VEC(tree,gc) *.
4633 * tree-inline.c (copy_cfg_body): Initialize
4634 ib_boundaries_block to NULL instead of (varray_type) 0.
4636 2006-04-12 Roger Sayle <roger@eyesopen.com>
4638 * expr.c (emit_group_store): Correct operand order in call to
4639 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4640 a SUBREG_BYTE of zero.
4642 2006-04-12 Richard Guenther <rguenther@suse.de>
4644 * profile.c (compute_branch_probabilities): Remove code
4645 encapsulated in !ir_type (), which are remanents of the
4646 removed RTL profiling code.
4647 * rtl-profile.c: Remove.
4649 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4651 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4652 magic NULL_RTX comment.
4653 (function_arg): Store entire fp arg to mem if any part should go
4655 (rs6000_arg_partial_bytes): Adjust for above change.
4657 2006-04-11 Roger Sayle <roger@eyesopen.com>
4659 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4660 if it hasn't been initialized by dwarf2out_init.
4662 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4664 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4665 symbolic constants in branch patterns.
4667 2006-04-11 Roger Sayle <roger@eyesopen.com>
4669 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4671 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4673 PR rtl-optimization/27073
4674 * gcse.c (try_replace_reg): Revert last change. Continue to search
4675 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4678 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4680 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4681 aggregate types other than record and union types.
4682 (function_arg): Likewise.
4683 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4685 (function_value): In 64-bit mode, return objects that require it
4688 2006-04-11 Roger Sayle <roger@eyesopen.com>
4690 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4692 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4694 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4696 2006-04-03 Jeff Law <law@redhat.com>
4699 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4700 alias information too.
4702 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4704 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4706 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4709 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4710 (premark_used_types_helper): New.
4711 (premark_used_types): New.
4712 (gen_subprogram_die): Call premark_used_types.
4713 (prune_unused_types_walk): Do not prune perennial dies.
4714 * function.c (used_types_insert): New.
4715 * function.h (struct function): Add used_types_hash field.
4716 (used_types_insert): Add prototype.
4717 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4718 * c-parser.c (c_parser_cast_expression): Save casted types in used
4721 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4724 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4725 rs6000_explicit_options.float_gprs.
4727 2006-04-10 Roger Sayle <roger@eyesopen.com>
4729 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4730 from ix86_expand_vector_init_low_nonzero. Take an additional
4731 one_var argument indicating which element is non-zero. Support
4732 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4733 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4734 with one_var instead of ix86_expand_vector_init_low_nonzero.
4736 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4738 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4739 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4740 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4741 build/genextract.o): Depend on vecprim.h.
4742 * cfglayout.c, df-problems.c, function.c, genextract.c,
4743 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4744 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4748 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4750 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4751 Declare VECs of this type.
4752 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4753 (remove_children): Delete.
4754 (add_dwarf_attr): Use VEC routines.
4755 (add_AT_flag): Update for changes to add_dwarf_attr.
4756 (add_AT_int): Likewise.
4757 (add_AT_unsigned): Likewise.
4758 (add_AT_long_long): Likewise.
4759 (add_AT_vec): Likewise.
4760 (add_AT_string): Likewise.
4761 (add_AT_die_ref): Likewise.
4762 (add_AT_fde_ref): Likewise.
4763 (add_AT_loc): Likewise.
4764 (add_AT_loc_list): Likewise.
4765 (add_AT_addr): Likewise.
4766 (add_AT_lbl_id): Likewise.
4767 (add_AT_lineptr): Likewise.
4768 (add_AT_macptr): Likewise.
4769 (add_AT_offset): Likewise.
4770 (add_AT_range_list): Likewise.
4771 (get_AT): Use VEC_iterate.
4772 (remove_AT): Use VEC_ordered_remove.
4773 (free_die): Fold remove_children into here; have it use VEC_iterate.
4774 (print_die): Use VEC_iterate on attrs.
4775 (reverse_die_lists): Don't reverse attr lists.
4776 (die_checksum): Use VEC_iterate on attrs.
4777 (same_die_p): Likewise.
4778 (output_location_lists): Likewise.
4779 (build_abbrev_table): Likewise.
4780 (size_of_die): Likewise.
4781 (unmark_all_dies): Likewise.
4782 (output_abbrev_section): Likewise.
4783 (output_die): Likewise.
4784 (prune_unused_types_walk_attribs): Likewise.
4786 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4788 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4790 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4793 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4795 2006-04-09 Roger Sayle <roger@eyesopen.com>
4797 * expr.c (store_constructor): Don't bother clearing target if
4798 we're about to assign a vector to it using vec_init_optab.
4800 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4802 * tree-ssa-alias.c (lhs_may_store_to): New function.
4803 (recalculate_used_alone): Handle LHS of calls.
4805 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4809 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4810 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4811 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4812 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4813 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4814 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4815 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4816 stubs. Add ".align 8" directives before all ".dword" directives.
4817 (GTHREAD_USE_WEAK): Revise comment.
4818 (TARGET_ATTRIBUTE_WEAK): Define.
4819 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4820 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4821 * stublib.c: New file.
4826 * pa.md (cbranch patterns): Revise arguments used in calls to
4827 output_cbranch, output_bb and output_bvd. Add long branch length
4829 (fbranch patterns): Handle long branches.
4830 (jump): Revise length check. Revise arguments for output_lbranch call.
4831 Add long branch length attributes.
4832 (decrement_and_branch_until_zero): Add long branch length attributes.
4833 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4834 Likewise. Revise arguments for output_parallel_addb and
4835 output_parallel_movb calls.
4836 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4837 output_parallel_movb and output_parallel_addb): Update prototypes.
4838 * pa.c (output_cbranch): Revise arguments. Correct handling of
4839 nullification in long branches.
4840 (output_lbranch): Add new argument to control extraction of delay
4842 (output_bb): Handle long branches.
4843 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4844 output_parallel_addb): Likewise.
4846 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4848 PR rtl-optimization/27073
4849 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4852 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4854 * tree.h (tree_memory_tag): Add old_used_alone.
4855 (SMT_OLD_USED_ALONE): New macro.
4856 * tree-ssa-alias.c (recalculate_used_alone): Stop
4857 marking things for renaming unnecessarily.
4859 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4861 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4862 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4863 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4864 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4865 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4866 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4867 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4868 spelling convensions.
4869 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4870 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4871 typos. Follow spelling conventions.
4873 2006-04-07 DJ Delorie <dj@redhat.com>
4875 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4876 passed on the stack.
4877 (m32c_init_cumulative_args): When a function returns a structure,
4878 always pass the pointer to that return area on the stack.
4879 (m32c_function_arg_advance): Don't increment the parameter number
4880 if we're processing the returned structure pointer.
4881 (pushm_info): Reverse order of registers.
4883 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4885 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4886 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4887 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4888 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4890 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4891 chrec_fold_multiply): Same.
4892 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4893 force_expr_to_var_cost): Same.
4894 * tree-mudflap.c (mf_xform_derefs_1): Same.
4895 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4897 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4899 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4900 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4903 2006-04-07 Jan Hubicka <jh@suse.cz>
4905 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4907 2006-04-07 Richard Guenther <rguenther@suse.de>
4909 PR tree-optimization/26135
4910 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4911 loads for store copy-prop.
4912 (copy_prop_visit_stmt): Likewise.
4914 2006-04-05 Robert Millan <robertmh@gnu.org>
4916 * config/i386/linux.h: Add a comment to mark macros that are
4917 being overriden in config/k*bsd-gnu.h.
4918 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4920 * config/knetbsd-gnu.h: Ditto.
4922 2006-04-06 Jan Hubicka <jh@suse.cz>
4926 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4929 2006-04-06 Mike Stump <mrs@apple.com>
4931 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4932 for HAVE_nonlocal_goto to be consistent.
4933 (expand_builtin_nonlocal_goto): Likewise.
4934 (expand_builtin_strcmp): Use #ifdef instead of #if
4935 for HAVE_cmpstrnsi to be consistent.
4937 2006-04-05 DJ Delorie <dj@redhat.com>
4939 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4942 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4944 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4945 got-relative addressing for anything but SImode.
4947 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4948 even if the calling function doesn't modify them.
4950 2006-04-05 Richard Guenther <rguenther@suse.de>
4952 PR tree-optimization/26919
4953 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4954 to cgraph_estimate_size_after_inlining.
4956 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4958 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4960 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4962 PR tree-optimization/26996
4963 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4964 VECTOR_TYPE variables.
4966 2006-04-05 Richard Guenther <rguenther@suse.de>
4968 PR tree-optimization/26763
4969 * fold-const.c (fold_comparison): Move folding of
4970 PTR + CST CMP PTR + CST ...
4971 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4973 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4975 * doc/install.texi (Prerequisites): Refine some wording on
4976 bootstrapping and ksh.
4977 Move the version numbers of DejaGnu here from the testing section
4978 and fix casing of names.
4979 Fix markup and clarify wording for autogen requirements.
4980 Refer to GCJ instead of just java.
4981 Refer to SVN instead of CVS.
4982 Describe diffutils as useful instead of necessary.
4983 (Downloading the source): Refer to SVN instead of CVS.
4984 Adjust a link to our web site accordingly.
4985 (Configuration): Fix casing of Bison.
4986 (Building): Refer to SVN instead of CVS.
4987 Fix a sentence on the use of Bison and remove duplicate (and
4988 incorrect) version number of Bison requirement.
4989 Remove one redundant list of packages needed for building.
4990 (Specific): Avoid reference to CVS.
4992 2006-04-04 Eric Christopher <echristo@apple.com>
4994 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4995 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4996 (rs6000_handle_struct_attribute): New.
4997 (rs6000_ms_bitfield_layout_p): Ditto.
4999 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5001 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5002 NULL for dso parameter to atexit_common.
5004 2006-04-04 Eric Christopher <echristo@apple.com>
5006 * config/i386/i386.c (machopic_output_stub): Output \t
5007 between instructions and operands.
5009 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5011 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5012 satisfies_constraint_[IL] to explicit tests on value.
5014 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5016 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5017 set_nb_iterations_in_loop): Use build_int_cst instead of
5019 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5020 build_int_cst instead of convert.
5022 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5024 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5025 new value 2 for incoming.
5026 * function.c (expand_function_start): Call struct_value_rtx
5028 * config/sparc/sparc.md: Comment updated_return.
5029 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5030 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5031 struct return if sparc_std_struct_return and incoming is 2.
5032 (print_operand): Do not adjust return if
5033 sparc_std_struct_return.
5035 2006-04-04 Roger Sayle <roger@eyesopen.com>
5037 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5038 convert in the middle-end.
5039 * expr.c (store_expr, store_constructor, get_inner_reference,
5040 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5042 * tree.c (build_range_type): Likewise.
5044 2006-04-04 Tom Tromey <tromey@redhat.com>
5046 * doc/install.texi (Prerequisites): Mention jar.
5048 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5050 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5053 2006-04-04 Matthias Klose <doko@debian.org>
5055 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5056 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5059 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5061 * doc/extend.texi (Function Attributes): Rewrite visibility
5062 attribute documentation.
5063 * doc/invoke.texi (C++ Dialect Options): Rewrite
5064 -fvisibility-inlines-hidden documentation to describe something
5065 entirely different, although in practise compatible.
5066 (Code Gen Options): Warn about system headers in -fvisibility=
5069 * doc/extend.texi (Other Builtins): Document that
5070 __builtin_nan is a compile-time constant only when its argument
5073 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5075 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5076 trying to remove TRUNCATE check if all bits outside the new mode
5077 are identical to the sign bit.
5079 2006-04-03 Jeff Law <law@redhat.com>
5081 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5082 and operand scanning in some common cases.
5084 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5085 Dale Johannesen <dalej@apple.com>
5088 * regclass.c (struct reg_pref): Update documentation.
5089 (regclass): Set prefclass to NO_REGS if memory is the best option.
5090 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5091 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5092 into account. For non-registers, equate an empty preferred
5093 reload class to a `!' in the constraint; move the if clause to
5094 do so after those that reject the insn.
5095 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5097 (find_dummy_reload): Likewise.
5098 * doc/tm.texi (Register Classes): Document what it means
5099 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5100 * config/i386/i386.c (ix86_preferred_reload_class): Force
5101 using SSE registers (and return NO_REGS for floating-point
5102 constants) if math is done with SSE.
5103 (ix86_preferred_output_reload_class): New.
5104 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5105 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5106 * config/i386/i386.md: Remove # register preferences.
5108 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5111 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5112 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5113 the type of nb_iter.
5114 (instantiate_parameters_1): Convert the operands before calling
5115 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5116 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5118 2006-04-02 Roger Sayle <roger@eyesopen.com>
5120 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5121 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5123 * dojump.c (do_jump): Likewise.
5124 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5125 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5126 gimplify_boolean_expr): Likewise.
5127 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5128 * varasm.c (array_size_for_constructor): Likewise.
5129 * tree-object-size.c (compute_object_offset): Likewise.
5131 2006-04-02 Roger Sayle <roger@eyesopen.com>
5134 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5135 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5137 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5139 PR tree-optimization/26939
5140 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5142 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5144 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5145 at_stmt. Convert the type of operands before calling
5146 build_polynomial_chrec.
5147 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5149 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5150 (instantiate_parameters_1): Convert the type of operands before calling
5151 build_polynomial_chrec.
5152 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5153 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5154 reset_evolution_in_loop): Insert asserts to check the types of the
5156 (chrec_type): Moved...
5157 (eq_evolutions_p): Use operand_equal_p.
5158 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5159 the types of the operands.
5160 (chrec_type): ...here.
5161 * tree-data-ref.c (create_data_ref): Convert the operands before
5162 calling chrec_replace_initial_condition.
5163 (same_access_functions, analyze_subscript_affine_affine,
5164 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5165 (compute_subscript_distance, analyze_ziv_subscript,
5166 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5167 analyze_miv_subscript): Convert the operands before calling
5168 chrec_fold_minus or chrec_fold_plus.
5170 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5172 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5173 the dependence_relations vector.
5174 (compute_data_dependences_for_loop): Adjust call to
5175 compute_all_dependences.
5177 2006-04-01 Roger Sayle <roger@eyesopen.com>
5178 Richard Henderson <rth@redhat.com>
5180 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5181 gimple_boolify on the condition before calling gimplify_expr.
5183 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5185 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5186 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5187 the frame size. Update to use the new macros.
5188 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5189 * config/xtensa/ieee754-df.S: Likewise.
5191 2006-03-31 Richard Henderson <rth@redhat.com>
5193 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5194 (make_edges): ... here. Control fallthru creation with a local
5195 variable. Do not play with fake edges.
5196 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5197 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5200 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5202 * dwarf2.h (DW64_CIE_ID): Define.
5203 * dwarf2out.c (DWARF_CIE_ID): Define.
5204 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5205 length header. Use DWARF_CIE_ID.
5206 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5207 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5209 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5211 * config/sh/linux-atomic.asm: New file.
5212 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5214 2006-03-31 DJ Delorie <dj@redhat.com>
5216 * config/m32c/cond.md: Set condition flags properly throughout.
5217 * config/m32c/minmax.md: Likewise.
5218 * config/m32c/prologue.md: Likewise.
5219 * config/m32c/bitops.md: Likewise.
5220 * config/m32c/muldiv.md: Likewise.
5221 * config/m32c/mov.md: Likewise.
5222 * config/m32c/addsub.md: Likewise.
5223 * config/m32c/m32c.md: Likewise.
5224 * config/m32c/jump.md: Likewise.
5225 * config/m32c/shift.md: Likewise.
5227 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5228 conditionally output the pattern for this.
5229 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5230 (m32c_compare_redundant): New.
5231 (m32c_output_compare): New.
5232 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5234 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5235 dest, not src. Allow other 4-byte modes.
5237 2006-03-30 Denis Chertykov <denisc@overta.ru>
5239 * doc/md.texi: Refer to avr/constraints.md instead of
5242 2006-03-30 Roger Sayle <roger@eyesopen.com>
5244 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5245 signed vs. unsigned comparison failures on some hosts.
5247 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5250 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5251 change to FLOAT_REGS.
5253 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5254 (rs6000_override_options): Use it.
5255 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5256 only for -mabi=spe/no-spe and -mabi=altivec.
5258 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5260 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5263 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5265 * Makefile.in: Rename docdir to gcc_docdir.
5267 2006-03-30 Roger Sayle <roger@eyesopen.com>
5270 * expr.c (emit_group_store): Optimize group stores into a pseudo
5271 register by using a paradoxical subreg to initialize the destination
5272 if the first or last member of the group specifies a "low part".
5274 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5277 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5278 * target.h (struct gcc_target.speculate_insn): Change type of the
5279 second parameter to 'int'.
5280 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5281 the second operand of the DEPS_LIST.
5282 (copy_DEPS_LIST_list): Update reference to the second operand of the
5284 * rtl.h (alloc_DEPS_LIST): Update signature.
5285 * sched-int.h (ds_t): Change typedef to 'int'.
5286 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5288 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5290 * haifa-sched.c (try_ready): Change condition to restore
5291 non-speculative pattern of the instruction.
5292 (process_insn_depend_be_in_spec): Code to keep probability of the
5293 speculative dependence non-decreasing.
5295 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5297 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5298 (single_move_for_movmem): ... this. Also change all uses.
5299 (bfin_expand_strmov): Renamed to...
5300 (bfin_expand_movmem): ... this. Also change all uses.
5301 * config/bfin/bfin.md (movstrsi): Renamed to...
5302 (movstrsi): ...this.
5304 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5306 PR tree-optimization/26830
5308 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5309 (copy_prop_visit_stmt): Remove write-only variable ann.
5310 (init_copy_prop): Check variable loop depth here. Do not simulate
5311 memory-tag and virtual operand PHIs except for store copy prop.
5313 2006-03-30 Richard Guenther <rguenther@suse.de>
5315 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5316 variants with double arguments.
5318 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5320 * genpreds.c (write_tm_constrs_h): Delete variable p.
5321 * genconditions.c (write_header): Add tm-constrs.h to included
5323 * genpeep.c (main): Add toplev.h to included headers.
5324 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5325 (build/genpeep.o): Add toplev.h dependency.
5326 * config/rs6000/constraints.md: Add "W" constraint.
5328 2006-03-29 Roger Sayle <roger@eyesopen.com>
5330 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5331 sizes by correctly testing whether the size fits a host integer.
5332 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5333 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5334 SImode range for the default sizetype and bitsizetype.
5336 2006-03-29 Roger Sayle <roger@eyesopen.com>
5338 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5339 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5340 quickly if the argument is already of the correct type.
5341 Call fold_build1 instead of build1. Tidy up blank lines.
5343 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5345 * genemit.c (main): Add tm-constrs.h to included headers.
5346 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5347 * genpeep.c (main): Add tm-constrs.h to included headers.
5348 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5349 (write_tm_constrs_h): this and write complete file.
5350 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5351 (write_insn_preds_c): Add tm-constrs.h to included headers.
5352 (gen_constrs): New variable.
5353 (parse_option): Parse "-c".
5354 (main): Invoke write_tm_constrs_h.
5355 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5356 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5357 (object_out_file): Add tm-constrs.h dependency.
5358 (insn-emit.o): Same.
5359 (insn-output.o): Same.
5360 (insn-peep.o): Same.
5361 (insn-preds.o): Same.
5362 (insn-recog.o): Same.
5363 (tm-constsr.h): New target.
5364 (s-constrs-h): New target.
5366 * config/rs6000/constraints.md: New file.
5367 * config/rs6000/rs6000.c: Include tm-constrs.h.
5368 (num_insn_constant_wide): Convert to satisfies_constraint.
5369 (rs6000_rtx_costs): Convert to satisfies_constraint.
5370 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5371 (CONST_OK_FOR_LETTER_P): Delete.
5372 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5373 (EXTRA_CONSTRAINT): Delete.
5374 (EXTRA_MEMORY_CONSTRAINT): Delete.
5375 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5376 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5377 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5378 satisfies_constraint.
5380 * config/i386/i386.c: Include tm-constrs.h.
5382 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5384 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5385 * tree-data-ref.c (find_data_references_in_loop,
5386 compute_data_dependences_for_loop): Use pointers to VEC.
5387 (analyze_all_data_dependences): Adjust calls.
5388 * tree-data-ref.h (find_data_references_in_loop,
5389 compute_data_dependences_for_loop): Adjust declarations.
5390 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5391 compute_data_dependences_for_loop.
5393 2006-03-29 Paul Brook <paul@codesourcery.com>
5395 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5398 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5400 PR tree-optimization/26859
5401 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5403 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5404 for the step after fold_convert.
5406 2006-03-29 Paul Brook <paul@codesourcery.com>
5408 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5409 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5411 2006-03-29 Paul Brook <paul@codesourcery.com>
5414 * targhooks.c (default_narrow_bitfield): New fuction.
5415 * targhooks.h (default_narrow_bitfield): add prototype.
5416 * target.h (gcc_target): Add narrow_volatile_bitfield.
5417 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5418 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5419 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5420 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5422 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5424 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5426 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5427 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5428 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5429 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5430 (s390_function_arg_float): Allow SDmode and DDmode values to be
5431 passed in floating point registers.
5432 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5433 check with SCALAR_FLOAT_MODE_P.
5434 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5436 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5438 PR tree-optimization/25985
5439 * tree-ssa-loop-niter.c (number_of_iterations_le,
5440 number_of_iterations_ne): Make comments more precise.
5441 (number_of_iterations_cond): Add only_exit argument. Use the
5442 fact that signed variables do not overflow only when only_exit
5444 (loop_only_exit_p): New.
5445 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5446 number_of_iterations_cond.
5448 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5450 PR tree-optimization/26643
5451 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5454 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5456 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5457 (divsi3_i4_int): Likewise.
5459 2006-03-28 Roger Sayle <roger@eyesopen.com>
5461 * expr.c (emit_group_store): Only create a new pseudo reg if the
5462 quantity it needs to hold isn't already a suitable pseudo.
5464 2006-03-28 Jeff Law <law@redhat.com>
5466 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5467 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5469 2006-03-28 Roger Sayle <roger@eyesopen.com>
5471 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5472 the equivalent ~X & Y, and the symmetry related transformations.
5473 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5474 ~X & Y, and symmetry related transforms.
5476 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5478 Revert my 2006-03-27 patches.
5480 2006-03-28 Roger Sayle <roger@eyesopen.com>
5482 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5483 ~(T1)X, when T1 and T2 are integer types of the same precision
5484 and (T2)X isn't an extension.
5486 2006-03-28 Jeff Law <law@redhat.com>
5488 PR tree-optimization/26796
5489 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5490 need EH edge cleanups rather than purging them immediately.
5491 (eliminate_degenerate_phis): Handle queued EH cleanups.
5493 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5495 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5498 2006-03-27 Roger Sayle <roger@eyesopen.com>
5501 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5502 cast BIT_NOT_EXPR operand to the correct type.
5504 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5506 * tree-loop-linear.c: Don't include varray.h.
5507 (gather_interchange_stats, try_interchange_loops,
5508 linear_transform_loops): Use VEC instead of VARRAY.
5509 * lambda-mat.c: Don't include varray.h.
5510 * tree-chrec.c: Same.
5511 * lambda-trans.c: Same.
5512 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5513 VEC instead of VARRAY.
5514 * tree-vectorizer.h: Idem.
5515 * tree-data-ref.c (dump_data_references,
5516 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5517 initialize_data_dependence_relation, finalize_ddr_dependent,
5518 compute_all_dependences, find_data_references_in_loop,
5519 compute_data_dependences_for_loop, analyze_all_data_dependences,
5520 free_dependence_relation, free_dependence_relations,
5521 free_data_refs): Idem.
5522 * tree-data-ref.h (data_reference_p, subscript_p): New.
5523 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5524 VEC instead of VARRAY.
5525 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5526 (find_data_references_in_loop, compute_data_dependences_for_loop,
5527 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5528 dump_data_dependence_relations, free_dependence_relations,
5529 free_data_refs): Adjust declaration.
5530 (lambda_transform_legal_p): Move declaration here...
5531 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5532 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5533 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5534 vect_analyze_data_refs): Use VEC instead of VARRAY.
5535 * lambda.h (lambda_transform_legal_p): ...from here.
5536 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5537 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5538 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5539 tree-chrec.o): Don't depend on VARRAY_H.
5541 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5543 * rtl.def (Copyright): Update date.
5544 (DEPS_LIST): Change type of the second operand to 'int'.
5545 * target.h (Copyright): Update date.
5546 (struct gcc_target.speculate_insn): Change type of the second parameter
5548 * lists.c (Copyright): Update date.
5549 (alloc_DEPS_LIST): Change signature. Update reference to the second
5550 operand of the DEPS_LIST.
5551 (copy_DEPS_LIST_list): Update reference to the second operand of the
5553 * rtl.h (Copyright): Update date.
5554 (alloc_DEPS_LIST): Update signature.
5555 * sched-int.h (Copyright): Update date.
5556 (ds_t): Change typedef to 'int'.
5557 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5559 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5561 * haifa-sched.c (Copyright): Update date.
5562 (try_ready): Change condition to restore non-speculative pattern
5564 (process_insn_depend_be_in_spec): Code to keep probability of the
5565 speculative dependence non-decreasing.
5567 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5569 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5570 shut up the compiler.
5572 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5574 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5575 to use lib prefix for target.
5576 ($(T)libic_invalidate_array_4-200.a): Likewise.
5577 ($(T)libic_invalidate_array_4a.a): Likewise.
5579 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5580 J"orn Rennecke <joern.rennecke@st.com>
5582 * superh.opt: New file.
5583 * sh.c (boardtype, osruntime): Remove.
5584 * superh.h (SUBTARGET_OPTIONS): Remove.
5585 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5587 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5588 arguments with ^ and/or [].
5590 * config.gcc (sh-*-*): Add quoting to account for quirk of
5592 Replace == with = in enable_incomplete_targets test.
5594 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5595 with MASK_LITTLE_ENDIAN.
5597 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5598 * config/sh/sh.opt: Added to some comments.
5599 * config/sh/superh.h: Removed some chaff.
5601 * config/sh/sh.opt: Add m4-[1234]00* options.
5602 * config/sh/sh.c (sh_handle_option): Likewise.
5603 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5604 (ic_invalidate_array_4-100.o): New rule.
5605 ($(T)libic_invalidate_array_4-100.a): Likewise.
5606 (ic_invalidate_array_4-200.o): Likewise.
5607 ($(T)libic_invalidate_array_4-200.a): Likewise.
5608 (ic_invalidate_array_4a.o): Likewise.
5609 ($(T)libic_invalidate_array_4a.a): Likewise.
5610 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5611 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5613 * config/sh/crt1.asm: Merged in profiling code.
5614 * config/sh/superh.h (STARTFILE_SPEC): Override.
5615 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5616 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5617 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5619 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5620 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5621 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5623 * sh.opt (mpretend-cmove): New option.
5624 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5625 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5626 (movsicc): Add TARGET_PRETEND_CMOVE code.
5628 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5630 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5631 s390_class_max_nregs): New function prototypes.
5632 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5633 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5634 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5635 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5637 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5639 * dwarf2out.c (add_location_or_const_value_attribute): Call
5640 tree_add_const_value_attribute if nothing else works.
5641 (reference_to_unused): New.
5642 (rtl_for_decl_init): Use reference_to_unused to decide whether
5643 to output an initializer.
5645 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5648 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5649 peephole removing spe frob_di_df_2.
5651 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5653 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5654 (subscript_dependence_tester_1): Declared.
5655 (print_dir_vectors, print_dist_vectors): New.
5656 (debug_data_dependence_relation): New.
5657 (dump_data_dependence_relation): Print more details.
5658 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5659 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5660 (save_dist_v, save_dir_v, add_outer_distances,
5661 build_classic_dist_vector_1): New.
5662 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5663 Don't test for lambda_vector_lexico_pos.
5664 (same_access_functions, add_multivariate_self_dist,
5665 add_other_self_distances, dir_from_dist): New.
5666 (build_classic_dir_vector): Replace implementation almost identical to
5667 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5669 (subscript_dependence_tester_1): New.
5670 (subscript_dependence_tester): Handle the lexicographically negative
5671 distance vectors by recomputing the dependence relation.
5672 (compute_affine_dependence): Remove parameter loop_nest_depth.
5673 (compute_self_dependence): Don't call compute_subscript_distance.
5674 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5675 Add a parameter for the loop_nest.
5676 (find_loop_nest_1, find_loop_nest): New.
5677 (compute_data_dependences_for_loop): Compute the loop nest, and give
5678 up if the nest is not well formed.
5679 * tree-data-ref.h (loop_p): New.
5680 (struct data_dependence_relation): Replace size_vect field with
5681 loop_nest, a vec of loops.
5682 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5683 (DDR_LOOP_NEST): New.
5684 (print_dir_vectors, print_dist_vectors,
5685 debug_data_dependence_relation): Declared.
5686 (index_in_loop_nest): New.
5687 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5688 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5691 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5693 * simplify-rtx.c (simplify_relational_operation): Call
5694 simplify_relational_operation_1 even if mode is VOIDmode.
5696 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5698 PR tree-optimization/26804
5699 * tree.h (DECL_CALL_CLOBBERED): New macro.
5700 (tree_decl_common): Add call_clobbered_flag.
5701 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5702 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5703 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5704 (mark_non_addressable): Ditto.
5705 * tree-ssa.c (verify_call_clobbered): New function.
5706 (verify_alias_info): Use it.
5707 * tree-pass.h (pass_reset_cc_flags): New prototype.
5708 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5709 (reset_cc_flags): New function.
5710 * passes.c (init_optimization_passes): Call reset_cc_flags after
5711 initializing referenced_vars.
5713 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5714 Roger Sayle <roger@eyesopen.com>
5717 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5718 to 1.0 for non-real operands. Implement A / A optimization for
5721 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5723 * config/i386/i386.c (size_cost): Correct the comment for
5724 cost of storing fp registers.
5725 (i386_cost): Likewise.
5726 (i486_cost): Likewise.
5727 (pentium_cost): Likewise.
5728 (pentiumpro_cost): Likewise.
5729 (k6_cost): Likewise.
5730 (athlon_cost): Likewise.
5731 (k8_cost): Likewise.
5732 (pentium4_cost): Likewise.
5733 (nocona_cost): Likewise.
5734 (generic64_cost): Likewise.
5735 (generic32_cost): Likewise.
5737 2006-03-24 Denis Chertykov <denisc@overta.ru>
5739 * config/avr/avr-protos.h (extra_constraint): Delete.
5740 (extra_constraint_Q): New declaration.
5741 * config/avr/constraints.md: New file.
5742 * config/avr/avr.md: Include it.
5743 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5744 (TMP_REGNO, ZERO_REGNO): Likewise.
5745 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5746 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5747 (extra_constraint): Delete.
5748 (extra_constraint_Q): Test for memory constraint 'Q'.
5749 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5750 (REG_CLASS_FROM_LETTER): Delete.
5751 (CONST_OK_FOR_LETTER_P): Delete.
5752 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5753 (EXTRA_CONSTRAINT): Delete.
5754 (TMP_REGNO): Delete.
5755 (ZERO_REGNO): Delete.
5757 2006-03-24 Jeff Law <law@redhat.com>
5759 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5760 directly. Call mark_new_vars_to_rename slightly earlier.
5762 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5764 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5766 (gen_compile_unit_die): Use new language types for Objective-C and
5768 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5769 DW_LANG_C_plus_plus.
5772 * config/t-darwin (crt3.o): Work around bug 26840.
5773 * config/darwin-crt3.c: Rewrite.
5774 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5776 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5778 * doc/invoke.texi: Document -femit-class-debug-always
5779 * common.opt: Add -femit-class-debug-always.
5781 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5783 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5784 index and base register.
5785 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5786 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5787 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5788 REGNO_OK_FOR_INDEX_P.
5789 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5791 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5792 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5793 REG_OK_FOR_BASE_P): Definitions removed.
5795 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5798 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5799 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5800 set yet or weren't marked as local yet.
5802 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5804 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5807 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5809 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5810 (rs6000_legitimate_small_data_p): Delete.
5811 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5812 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5813 and make static. Add forward declaration. Update uses.
5814 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5815 of offsettable_memref_p.
5816 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5817 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5819 2006-03-24 Jeff Law <law@redhat.com>
5821 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5822 around bug in immediate-use iterator.
5824 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5827 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5828 or __LITTLE_ENDIAN__.
5830 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5832 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5833 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5834 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5835 * config/sh/sh.opt (mdiv=): Amend description.
5836 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5837 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5838 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5839 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5840 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5841 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5842 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5843 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5844 TARGET_DIVIDE_CALL_FP.
5846 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5848 * haifa-sched.c (choose_ready): Fix type of the local variable.
5849 Move local variables. Add comment.
5850 (check_reg_live): Change signature. Make callable from debugger.
5851 * sched-int.h (check_reg_live): Update signature.
5852 * sched-ebb.c (check_reg_live): Update parameters.
5853 * sched-rgn.c (check_reg_live): Ditto.
5854 (region_head_or_leaf_p): Check pointer before dereferencing.
5855 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5856 before reload on optimization levels below 1.
5858 2006-03-23 Richard Henderson <rth@redhat.com>
5860 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5864 * config/alpha/predicates.md (local_symbolic_operand): Reject
5867 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5870 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5871 expressions which have overflowed constants.
5873 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5875 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5877 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5879 * cfgloopmanip.c (create_loop_notes): Removed.
5880 * final.c (final_scan_insn): Do not handle loop notes.
5881 * jump.c (squeeze_notes): Ditto.
5882 * cfglayout.c (skip_insns_after_block,
5883 duplicate_insn_chain): Ditto.
5884 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5886 * cfgloop.h (create_loop_notes): Declaration removed.
5888 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5890 * varasm.c (output_constant_pool): Restore fnname and fndecl
5892 (assemble_start_function): Adjust call accordingly.
5893 (assemble_end_function): Likewise.
5895 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5898 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5901 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5903 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5906 * system.h (ICE_EXIT_CODE): New macro.
5907 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5908 (diagnostic_action_after_output): Likewise.
5909 * gcc.c (fatal_ice): New function.
5910 (execute): Use it instead of fatal.
5911 (fancy_abort): Likewise.
5912 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5914 2006-03-22 Jeff Law <law@redhat.com>
5916 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5917 iv_analyze_result returning false.
5919 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5921 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5923 2006-03-22 Richard Henderson <rth@redhat.com>
5926 * except.c (duplicate_eh_regions_0): New.
5927 (duplicate_eh_region_1): Duplicate the children of the node as
5928 well as the node itself. Link them up properly.
5929 (duplicate_eh_region_2): Merge into ...
5930 (duplicate_eh_regions): ... here. Take copy_region argument, and
5931 copy only a sub-tree if asked. Simplify copying and fixup.
5932 (eh_region_outer_p): New.
5933 * except.h (duplicate_eh_regions): Update decl.
5934 (eh_region_outer_p): Declare.
5935 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5936 (lower_omp_master): Likewise.
5937 (lower_omp_ordered): Likewise.
5938 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5939 (move_stmt_r): Use it to remap labels. Handle recursion vs
5940 remap_decls_p properly.
5941 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5942 (find_outermost_region_in_block): New.
5943 (new_label_mapper): New.
5944 (move_sese_region_to_fn): Copy eh information to the new function
5946 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5948 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5951 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5953 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5954 into shared libraries.
5956 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5958 * doc/md.texi: Refer to i386/constraints.md instead of
5960 * config/i386/constraints.md: New file, extracted from...
5961 * config/i386/predicates.md: ...here.
5962 * config/i386/i386.md: Include constraints.md.
5964 2006-03-21 Jason Merrill <jason@redhat.com>
5966 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5969 * expr.c (init_block_move_fn): Force default visibility.
5970 (init_block_clear_fn): Likewise.
5971 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5972 * targhooks.c (default_external_stack_protect_fail): Likewise.
5974 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5976 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5977 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5978 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5979 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5980 (loadgp): Use mips_current_loadgp_style.
5981 (loadgp_noshared): New pattern.
5982 (sibcall_internal): Use MIPS_CALL.
5983 (sibcall_value_internal): Likewise.
5984 (sibcall_value_multiple_internal): Likewise.
5985 (call_internal): Likewise.
5986 (call_value_internal): Likewise.
5987 (call_value_multiple_internal): Likewise.
5988 (call_split): Use MIPS_CALL and add an 'S' constraint.
5989 (call_value_split): Likewise.
5990 (call_value_multiple_split): Likewise.
5991 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5992 (-mshared): New option.
5993 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5994 (mips_current_loadgp_style): Declare.
5995 * config/mips/mips.c (mips_classify_symbol): Avoid using
5996 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5997 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5998 TARGET_ABSOLUTE_ABICALLS.
5999 (override_options): Adjust comments. Improve the warning that is
6000 issued when -mabicalls and -G are used together.
6001 (mips_file_start): Remove comment.
6002 (mips_current_loadgp_style): New function.
6003 (mips_gnu_local_gp): New variable.
6004 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6006 (mips_output_function_prologue): Use mips_current_laodgp_style.
6007 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6008 the cprestore instruction.
6009 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6010 live for TARGET_ABSOLUTE_ABICALLS.
6011 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6012 (ASM_SPEC): Pass down -mshared and -mno-shared.
6013 (MIPS_CALL): New macro.
6014 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6016 * doc/invoke.texi (-mabicalls): Update documentation.
6017 (-mshared): Document.
6019 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6021 * config/ia64/unwind-hpux.c: New file.
6022 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6024 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6027 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6029 2006-03-21 Jeff Law <law@redhat.com>
6031 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6032 type conversions of a VR_VARYING source to a wider type.
6034 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6036 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6037 tm_file on Solaris 10 and later.
6038 (sparc64-*-solaris2*): Likewise.
6039 (sparc-*-solaris2*): Likewise.
6040 * config/sol26.h: Rename to config/sol2-6.h.
6041 * config/sol2-10.h: New file.
6043 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6046 * tree-ssa-pre.c (create_component_ref_by_pieces):
6049 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6052 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6053 return it immediately.
6055 2006-03-21 Michael Matz <matz@suse.de>
6057 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6059 (remove_arc, add_arc): Update num_out_arcs member.
6060 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6062 (cache_presence): New function.
6063 (compare_states_for_equiv): New function.
6064 (state_is_differed): Don't take number of outargs, adjust callers.
6065 Use new invariant for speeding up.
6066 (init_equiv_class): Create initial classes based on sorted
6068 (partition_equiv_class): Don't track out_arcs_num.
6069 (evaluate_equiv_classes): Call cache_presence on all states and
6072 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6074 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6075 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6076 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6077 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6079 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6080 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6081 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6082 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6083 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6085 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6086 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6087 (REGNO_REG_CLASS): ARGP is in PREGS.
6088 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6090 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6091 to deal with those addresses.
6092 * addresses.h: New file.
6093 * caller-save.c: Include "addresses.h".
6094 (init_caller_save): Use new base_reg_class function.
6095 * rtl-factoring.c: Include "addresses.h".
6096 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6097 * recog.c: Include "addresses.h".
6098 (preprocess_constraints): Use new base_reg_class function.
6099 * regrename.c: Include "addresses.h".
6100 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6101 functions. Keep track of a new var INDEX_CODE to compute valid
6103 (replace_oldest_value_addr): Likewise.
6104 (replace_oldest_value_mem): Use base_reg_class.
6105 * reload.c: Include "addresses.h".
6106 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6107 (find_reloads): Use new base_reg_class function.
6108 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6109 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6110 all callers and prototype changed.
6111 * reload1.c: Include "addresses.h".
6112 (maybe_fix_stack_asms): Use base_reg_class.
6113 * regclass.c: Include "addresses.h".
6114 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6115 (init_reg_autoinc): Use new base_reg_class function.
6116 (record_reg_classes): Likewise.
6117 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6118 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6119 Use new args to compute necessary class.
6121 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6122 regrename.o, rtl-factoring.o): Update dependencies.
6123 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6124 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6125 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6126 REG_OK_FOR_INDEX_P): Delete documentation.
6128 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6130 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6131 from V7 to V9 for Solaris 7 and above.
6133 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6135 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6136 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6137 argument pointers may not alias any other storage.
6138 * common.opt: Define option -fargument-noalias-anything.
6139 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6140 alias semantics is specified by flag_argument_noalias > 2.
6142 2006-03-20 Jeff Law <law@redhat.com>
6144 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6145 (pass_phi_only_cprop): Declare.
6146 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6148 * tree-ssa-dom.c (degenerate_phi_result): New function.
6149 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6150 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6151 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6152 (eliminate_degenerate_phis): Likewise.
6153 (pass_phi_only_cprop): New pass descriptor.
6154 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6155 support code. Callers updated.
6156 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6157 (store_copy_prop): Likewise.
6158 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6160 2006-03-20 Jason Merrill <jason@redhat.com>
6163 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6164 (push_visibility, pop_visibility): Likewise.
6165 * c-pragma.h: Declare them.
6167 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6169 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6171 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6172 parameter and use get_ebb_head_tail.
6173 (sh_md_init_global): Adjust uses of find_regmode_weight.
6175 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6177 * function.h (struct function) <x_tail_recursion_reentry>:
6178 Rename to x_stack_check_probe_note.
6179 (tail_recursion_reentry): Rename to stack_check_probe_note.
6180 * function.c: Replace tail_recursion_reentry with
6181 stack_check_probe_note everywhere.
6182 (expand_function_start): Only emit a note for
6183 stack_check_probe_note with -fstack-protect.
6184 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6186 * emit-rtl.c (remove_unnecessary_notes): Remove.
6187 (pass_remove_unnecessary_notes): Remove.
6188 * rtl.h (remove_unnecessary_notes): Remove prototype.
6189 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6190 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6191 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6193 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6196 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6197 (valid_in_set): Handle ARRAY_REF.
6198 Change "if min_variant or VH" to asserts.
6199 (create_component_ref_by_pieces): Handle ARRAY_REF.
6200 (create_expression_by_pieces): Likewise.
6201 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6203 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6205 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6206 is operand of switch, not str[0].
6208 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6210 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6211 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6213 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6215 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6216 end of insn_extra_address_constraint declaration.
6218 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6220 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6221 (no-sum-in-toc): Same.
6222 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6224 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6225 NO_FP_IN_TOC for -fPIC instead of mask.
6227 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6228 (BOOT_LDFLAGS): Delete.
6230 * config/rs6000/t-aix52: Same.
6232 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6233 (stmsi[345678]_power): New.
6235 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6237 * config/ia64/ia64.opt: Add empty line to end of file.
6239 2006-03-17 Richard Guenther <rguenther@suse.de>
6242 * builtins.c (get_pointer_alignment): For component style references
6243 adjust alignment to the component type alignment. Make sure
6244 to adjust alignment for component access of constants.
6246 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6248 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6251 2006-03-17 Paul Brook <paul@codesourcery.com>
6253 * doc/install.texi: Docuemnt --with-mode.
6254 * config.gcc: Add --with-mode for arm*-*-*.
6255 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6257 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6259 * sh.c (max_labelno_before_reorg): New variable.
6260 (sh_reorg): Initialize it.
6261 (find_barrier): Check max_labelno_before_reorg before using
6262 label_to_alignment. Take length of explicit alignment insns
6263 into account. When seeing a UNSPECV_CONST_END, return it.
6265 * sh.c (fixup_mova): Set mode of affected label to QImode.
6266 (untangle_mova): New function.
6267 (find_barrier): Use it. Check mode of label before decrementing
6269 (sh_reorg): Likewise.
6270 Set mode of all insns back to VOIDmode.
6272 * sh.c (MOVA_LABELREF): New macro.
6273 (mova_p, fixup_mova, sh_reorg): Use it.
6274 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6275 ADDR_DIFF_VEC matches mova.
6277 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6279 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6280 with ATTRIBUTE_UNUSED.
6282 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6284 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6285 pointer, instead of assuming it is possible to derive the
6286 correct args size from a call insn.
6288 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6290 * rtl.h (CONST_INT_P): Define.
6291 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6292 instead of GET_CODE(x) == CONST_INT.
6293 (vax_rtx_costs): Likewise.
6294 (vax_output_int_move): Likewise.
6295 (vax_output_int_add): Likewise.
6296 (legitimate_constant_address_p): Likewise.
6297 (index_term_p): Likewise.
6298 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6299 * config/vax/vax.md (and<mode>3): Likewise.
6300 (ashrsi3): Likewise.
6302 (movstricthi): Likewise.
6303 (movstrictqi): Likewise.
6304 (rotrsi3): Likewise.
6305 (five unnamed insns): Likewise.
6307 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6309 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6310 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6311 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6312 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6313 Pass to ASM_OUTPUT_DWARF_OFFSET.
6314 * dwarf2out.c (debug_frame_section): New.
6315 (output_call_frame_info): Use debug_frame_section. Pass it to
6316 dw2_asm_output_offset.
6317 (output_die): Pass appropriate section to dw2_asm_output_offset.
6318 (output_compilation_unit_header): Likewise.
6319 (output_pubnames): Likewise.
6320 (output_aranges): Likewise.
6321 (enum dw_val_class): Break dw_val_class_lbl_offset into
6322 dw_val_class_lineptr and dw_val_class_macptr.
6323 (add_AT_lbl_offset): Delete.
6324 (add_AT_lineptr): New.
6325 (add_AT_macptr): New.
6326 (AT_lbl): Expect a lineptr or macptr.
6327 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6328 (attr_checksum): Likewise.
6329 (same_dw_val_p): Likewise.
6330 (size_of_die): Likewise.
6331 (value_format): Likewise.
6332 (output_die): Likewise.
6333 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6335 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6336 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6337 * config/darwin-protos.h (darwin_file_start): New.
6338 (darwin_asm_output_dwarf_offset): New.
6339 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6340 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6342 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6343 if not EH section; simplify.
6344 (darwin_file_start): New.
6345 (darwin_asm_output_dwarf_offset): New.
6346 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6348 (DEBUG_INFO_SECTION): Likewise.
6349 (DEBUG_ABBREV_SECTION): Likewise.
6350 (DEBUG_ARANGES_SECTION): Likewise.
6351 (DEBUG_MACINFO_SECTION): Likewise.
6352 (DEBUG_LINE_SECTION): Likewise.
6353 (DEBUG_LOC_SECTION): Likewise.
6354 (DEBUG_PUBNAMES_SECTION): Likewise.
6355 (DEBUG_STR_SECTION): Likewise.
6356 (DEBUG_RANGES_SECTION): Likewise.
6357 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6358 (ASM_OUTPUT_DWARF_OFFSET): New.
6360 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6362 * config.gcc (tm_defines): Always add to previous value rather
6365 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6367 * config/mips/predicates.md (splittable_const_int_operand): New,
6368 split from move_operand.
6369 (splittable_symbolic_operand): New.
6370 (move_operand): Add commentary. Use splittable_const_int_operand.
6371 Inline mips_atomic_symbolic_constant_p.
6372 * config/mips/mips.md: Add combine splitters for handling moves
6373 of splittable_const_int_operands and splittable_symbolic_operands.
6374 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6375 (mips_split_symbol): Declare.
6376 (mips_move_integer): Declare.
6377 * config/mips/mips.c (mips_split_p): Make global.
6378 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6379 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6380 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6381 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6382 (mips_offset_within_object_p): Handle block symbols.
6383 (mips_atomic_symbolic_constant_p): Delete.
6384 (mips_cannot_force_const_mem): Return false for constants that
6385 mips_legitimize_move can handle.
6386 (mips_use_blocks_for_constant_p): New function.
6387 (mips_split_symbol): Make global.
6388 (mips_move_integer): Likewise. Add a temporary register argument.
6389 (mips_legitimize_const_move): Use splittable_const_int_operand and
6390 splittable_symbolic_operand.
6391 (mips_use_anchors_for_symbol_p): New function.
6392 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6393 (mips_split_p): Declare.
6395 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6397 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6398 (mips*-*-linux*): Likewise.
6400 2006-03-16 Roger Sayle <roger@eyesopen.com>
6401 Daniel Speyer <dspeyer@wam.umd.edu>
6404 * tree-dump.c (dump_real): New function.
6405 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6406 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6407 (tree-dump.o): Add $(REAL_H) to the dependencies.
6409 2006-03-16 Roger Sayle <roger@eyesopen.com>
6412 * real.c (real_from_string): If the mantissa is zero, don't bother
6413 parsing the exponent as the result should always be zero.
6415 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6417 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6419 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6421 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6422 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6423 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6424 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6425 ia64_sched_finish_global): New static functions to implement
6426 hooks from gcc_target.sched.
6427 (spec_check_no, max_uid, pending_data_specs): New static variables.
6428 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6429 ia64_spec_check_src_p): New static functions.
6430 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6431 (TARGET_SCHED_ADJUST_COST): Removed.
6432 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6433 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6434 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6435 TARGET_SCHED_GEN_CHECK,
6436 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6437 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6438 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6439 Fixed to handle speculation checks.
6440 (rtx_needs_barrier): Fixed to handle speculative loads and
6442 (ia64_variable_issue): Added code to count speculative loads and their
6444 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6446 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6448 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6450 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6451 (ia64_reorg): Reset stops_p to NULL after it is freed.
6452 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6453 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6454 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6456 (data_speculative, control_speculative, check_load): New attributes.
6457 (mov<mode>_advanced, mov<mode>_speculative,
6458 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6459 zero_extend<mode>di2_speculative,
6460 zero_extend<mode>di2_speculative_advanced): New patterns for
6461 data and control speculative loads.
6462 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6464 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6465 New pattern for data and control speculation checks.
6466 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6467 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6468 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6469 Auxiliary definitions for the patterns.
6470 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6471 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6473 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6475 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6476 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6477 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6478 New resource constraints.
6479 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6481 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6482 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6483 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6484 msched-in-control-spec, msched-ldc, msched-control-ldc,
6485 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6486 msched-prefer-non-control-spec-insns,
6487 msched-count-spec-in-critical-path): New flags to tune speculative
6489 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6490 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6491 msched-in-control-spec, msched-ldc, msched-control-ldc,
6492 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6493 msched-prefer-non-control-spec-insns,
6494 msched-count-spec-in-critical-path): Document new flags.
6496 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6498 * target.h (struct spec_info_def): New opaque declaration.
6499 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6500 speculate_insn, needs_block_p, gen_check,
6501 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6502 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6503 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6504 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6505 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6506 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6508 (TARGET_SCHED): Use new macros.
6509 * rtl.h (copy_DEPS_LIST_list): New prototype.
6510 * sched-int.h (struct sched_info): Change signature of new_ready field,
6511 adjust all initializations. New fields: add_remove_insn,
6512 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6513 region_head_or_leaf_p.
6514 (struct spec_info_def): New structure declaration.
6515 (spec_info_t): New typedef.
6516 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6517 recovery_block, orig_pat.
6518 (glat_start, glat_end): New variables declaraions.
6519 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6521 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6522 DETACH_LIFE_INFO, USE_GLAT.
6523 (enum SPEC_SCHED_FLAGS): New enumeration.
6524 (NOTE_NOTE_BB_P): New macro.
6525 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6526 attach_life_info, debug_spec_status, check_reg_live): New functions.
6527 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6528 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6530 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6531 * ddg.c (get_block_head_tail): Adjust all uses.
6532 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6533 (sms_sched_info): Initialize new fields.
6534 (contributes_to_priority): Removed.
6535 * haifa-sched.c (params.h): New include.
6536 (get_block_head_tail): Adjust all uses.
6537 (ISSUE_POINTS): New macro.
6538 (glat_start, glat_end): New global variables.
6539 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6540 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6541 old_last_basic_block, before_recovery, current_sched_info_var,
6542 rgn_n_insns, luid): New static variables.
6543 (insn_cost1): New function. Move logic from insn_cost to here.
6544 (find_insn_reg_weight1): New function. Move logic from
6545 find_insn_reg_weight to here.
6546 (reemit_notes, move_insn, max_issue): Change signature.
6547 (move_insn1): Removed.
6548 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6549 extend_bb): New static functions to support extension of scheduler's
6551 (generate_recovery_code, process_insn_depend_be_in_spec,
6552 begin_speculative_block, add_to_speculative_block,
6553 init_before_recovery, create_recovery_block, create_check_block_twin,
6554 fix_recovery_deps): New static functions to support
6555 generation of recovery code.
6556 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6557 restore_bb_notes, move_block_after_check, move_succs): New static
6558 functions to support ebb scheduling.
6559 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6560 functions to support handling of register live information.
6561 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6562 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6563 add_jump_dependencies): New static functions.
6564 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6565 consistancy checking.
6566 (debug_spec_status): New function to call from debugger.
6567 (priority): Added code to handle speculation checks.
6568 (rank_for_schedule): Added code to distinguish speculative instructions.
6569 (schedule_insn): Added code to handle speculation checks.
6570 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6571 Fixed to handle ebbs.
6572 (move_insn): Added code to handle ebb scheduling.
6573 (max_issue): Added code to use ISSUE_POINTS of instructions.
6574 (choose_ready): Added code to choose between speculative and
6575 non-speculative instructions.
6576 (schedule_block): Added code to handle ebb scheduling and scheduling of
6577 speculative instructions.
6578 (sched_init): Initialize new variables.
6579 (sched_finish): Free new variables. Print statistics.
6580 (try_ready): Added code to handle speculative instructions.
6581 * lists.c (copy_DEPS_LIST_list): New function.
6582 * sched-deps.c (extend_dependency_caches): New function. Move logic
6583 from create_dependency_caches to here.
6584 (get_dep_weak, ds_merge): Make global.
6585 * genattr.c (main): Code to output prototype for
6586 dfa_clear_single_insn_cache.
6587 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6588 (output_dfa_clean_insn_cache_func): Code to output
6589 dfa_clear_single_insn_cache function.
6590 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6592 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6594 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6595 New static variables.
6596 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6597 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6599 (ebb_sched_info): Initialize new fields.
6600 (get_block_head_tail): Adjust all uses.
6601 (compute_jump_reg_dependencies): Fixed to use glat_start.
6602 (schedule_ebb): Code to remove unreachable last block.
6603 (schedule_ebbs): Added code to update register live information.
6604 * sched-rgn.c (region_sched_info): Initialize new fields.
6605 (get_block_head_tail): Adjust all uses.
6606 (last_was_jump): Removed. Adjust users.
6607 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6608 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6609 Implement new hooks.
6610 (check_dead_notes1): New static function.
6611 (struct region): New fields: dont_calc_deps, has_real_ebb.
6612 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6613 (BB_TO_BLOCK): Fixed to handle EBBs.
6614 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6615 (ebb_head): New static variable.
6616 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6617 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6619 (compute_dom_prob_ps): New assertion.
6620 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6621 global_live_at_start.
6622 (init_ready_list): New assertions.
6623 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6624 (new_ready): Add support for BEGIN_CONTROL speculation.
6625 (schedule_insns): Fixed code that updates register live information
6627 (schedule_region): Fixed to handle EBBs.
6628 (init_regions): Use extend_regions and check_dead_notes1.
6629 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6630 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6631 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6632 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6633 TARGET_SCHED_GEN_CHECK,
6634 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6635 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6636 * doc/invoke.texi (max-sched-insn-conflict-delay,
6637 sched-spec-prob-cutoff): Document.
6639 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6641 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6642 inter_tick, queue_index.
6643 (struct sched_info): Change signature of init_ready_list field.
6644 Adjust all initializations.
6645 (RESOLVED_DEPS): New access macro.
6646 (ready_add): Remove prototype.
6647 (try_ready): Add prototype.
6648 * sched-rgn.c (init_ready_list): Use try_ready.
6649 (schedule_region): Initialize
6650 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6651 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6652 (init_ready_list): Use try_ready.
6653 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6654 * lists.c (remove_list_elem): Remove `static'.
6655 (remove_free_INSN_LIST_elem): New function.
6656 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6657 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6658 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6660 (readyp): New variable.
6661 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6662 change_queue_index, resolve_dep): New static functions.
6663 (try_ready): New function. Adjust callers in sched-rgn.c and
6664 sched-ebb.c to use it instead of ready_add.
6665 (clock_var): Move at the begining of file.
6666 (rank_for_schedule): Fix typo.
6667 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6668 (ready_lastpos): Enforce assertion.
6669 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6671 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6672 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6673 (queue_to_ready): Use free_INSN_LIST_list.
6674 (early_queue_to_ready): Fix typo.
6675 (schedule_block): Init readyp. Move init_ready_list call after the
6676 initialization of clock_var. Fix error in rejecting insn by
6677 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6678 that previously corrected INSN_TICKs. Add code for handling
6680 (set_priorities): Fix typo.
6681 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6682 Clarify comment and code that keeps current_sched_info->next_tail
6685 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6687 * sched-rgn.c (extend_rgns): New static function.
6688 (find_rgns): Use it.
6689 (gather_region_statistics, print_region_statistics): New static
6691 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6692 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6694 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6695 Andrey Belevantsev <abel@ispras.ru>
6697 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6698 * lists.c (unused_deps_list): New variable.
6699 (free_list): Add assertions to verify the proper distinguishing
6700 between INSN_LISTs and DEPS_LISTs.
6701 (find_list_elem, remove_list_elem, remove_list_node): New static
6703 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6704 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6705 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6706 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6708 (free_INSN_LIST_node): Likewise.
6709 * modulo-sched.c (current_sched_info): Initialize flags field.
6710 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6711 * rtl.def (DEPS_LIST): Define.
6712 * rtl.h: Declare new functions from lists.c.
6713 * sched-deps.c (spec_dependency_cache): New static variable.
6714 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6715 (add_dependence): Change return type to void. Move the logic to ...
6716 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6717 (delete_all_dependences): Add comment about forward_dependency_cache.
6718 Handle spec_dependency_cache. Handle DEPS_LISTs.
6719 (fixup_sched_groups): Clarify the change of priority of output
6720 and anti dependencies.
6721 (sched_analyze_2): Adjust add_dependence calls to create data
6722 speculative dependence.
6723 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6724 Adjust all callers. Handle DEPS_LISTS.
6725 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6726 presence of speculation.
6727 (init_dependency_caches, free_dependency_caches):
6728 Handle spec_dependency_cache.
6729 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6730 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6731 New static functions.
6732 (add_or_update_back_dep, add_or_update_back_forw_dep,
6733 add_back_forw_dep, delete_back_forw_dep): New functions.
6734 * sched-int.h (ds_t, dw_t): New typedefs.
6735 (struct sched_info): Add new field flags.
6736 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6737 Prototype new sched-deps.c functions.
6738 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6739 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6740 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6741 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6742 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6743 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6745 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6747 * sched-rgn.c (current_sched_info): Initialize flags field.
6748 (schedule_insns): Initialize current_sched_info before the sched_init
6750 * sched-ebb.c (current_sched_info): Initialize flags field.
6751 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6752 Call add_or_update_back_dep instead of add_dependence.
6753 Create control speculative dependencies.
6754 (schedule_insns): Initialize current_sched_info before the sched_init
6757 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6759 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6761 (sh_fallback_frame_state): Likewise.
6763 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6765 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6766 Do switch on default_use_cxa_atexit.
6767 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6768 * config/darwin-crt3.o: New.
6769 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6770 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6771 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6773 * config/rs6000/t-darwin: Move crt2.o building to here.
6774 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6775 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6778 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6780 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6781 from '! xxx' to '!xxx' for coding-style conformance.
6782 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6783 (EXTRA_CONSTRAINT): Likewise.
6784 * config/vax/vax.md (four unnamed insns): Likewise.
6786 2006-03-15 Paul Brook <paul@codesourcery.com>
6788 * config/arm/arm.c (minipool_pad): New.
6789 (add_minipool_forward_ref): Include pool alignment padding in address
6791 (push_minipool_fix): Set minipool_pad.
6792 (minipool_pad): Ditto.
6794 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6796 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6797 instead of GET_CODE() == MEM and REG_P() instead of
6799 (print_operand_address): Likewise.
6800 (vax_address_cost): Likewise.
6801 (vax_rtx_costs): Likewise.
6802 (vax_notice_update_cc): Likewise.
6803 (vax_output_int_add): Likewise.
6804 (INDEX_REGISTER_P): Likewise.
6805 (BASE_REGISTER_P): Likewise.
6806 (nonindexed_address_p): Likewise.
6807 (vax_mode_dependent_address_p): Likewise.
6808 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6809 (PRINT_OPERAND): Likewise.
6810 * config/vax/vax.md (ashlsi3): Likewise.
6811 (ashlsi3): Likewise.
6812 (some more unnamed insns): Likewise.
6814 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6816 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6817 iterator-style macro.
6818 (mark_control_dependent_edges_necessary): Update the use of
6819 EXECUTE_IF_CONTROL_DEPENDENT.
6821 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6823 * config/sh/predicates.md (cache_address_operand): Special.
6824 (ua_address_operand): Likewise.
6826 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6828 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6830 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6832 2006-03-15 Andreas Schwab <schwab@suse.de>
6834 * gensupport.c (identify_predicable_attribute): Don't free p_false
6835 when it is still in use.
6837 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6839 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6840 the default setting here.
6842 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6844 * tree-pass.h (pass_cfg): Remove.
6845 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6846 * passes.c (pass_cfg): Don't run it.
6848 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6850 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6851 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6853 (stack_regs_mentioned): Update the uses of
6854 stack_regs_mentioned_data. Don't access the array beyond its
6856 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6857 Don't include gt-reg-stack.h.
6859 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6860 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6862 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6865 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6868 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6870 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6872 2006-03-14 Richard Guenther <rguenther@suse.de>
6874 PR tree-optimization/26672
6875 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6878 2006-03-14 Richard Guenther <rguenther@suse.de>
6880 PR tree-optimization/26667
6881 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6882 node for the callees. Always allow inlining if it will shrink
6885 2006-03-14 Richard Guenther <rguenther@suse.de>
6888 * builtins.c (get_pointer_alignment): Prefer alignment
6889 information from decls over that from types.
6891 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6894 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6896 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6898 * config/rs6000/rs6000.opt (mdlmzb): New option.
6899 (msched-prolog, msched-epilog): Use Var not Mask.
6900 * doc/invoke.texi (-mdlmzb): Document.
6901 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6903 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6904 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6906 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6908 PR rtl-optimization/25739
6909 * bt-load.c (augment_live_range): Free tos pointer.
6911 * gensupport.c (identify_predicable_attribute): Free
6913 * gcov.c (create_file_names): Free name pointer.
6915 2006-03-13 Roger Sayle <roger@eyesopen.com>
6918 * stmt.c (emit_case_nodes): Handle the case where the index is a
6919 CONST_INT, where the comparison mode is specified by the index type.
6921 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6923 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6926 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6928 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6929 (*branch_fp_inverted): Likewise.
6931 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6934 * omp-low.c (expand_omp_for_generic): Mark istart0
6935 and iend0 as addressable.
6937 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6939 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6941 2006-03-13 Jeff Law <law@redhat.com>
6943 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6944 virtual operands are interesting.
6945 (vrp_visit_stmt): Corresponding changes.
6947 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6949 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6951 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6952 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6953 * config/bfin/crti.S: Use it instead of __PIC__.
6954 * config/bfin/crtn.S: Likewise.
6956 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6957 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6959 Lose 'G' modifier for call operand.
6960 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6961 recognize 'G' modifier.
6963 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6966 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6967 * stmt.c (expand_case): Likewise.
6969 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6971 PR rtl-optimization/26254
6972 * loop-invariant.c (seq_insns_valid_p): New function.
6973 (move_invariant_reg): Only emit new code if it is valid.
6975 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6977 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6979 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6980 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6981 (commit_one_edge_insertion): Do not look for loop notes.
6983 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6985 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6986 flag_test_coverage out of loop.
6988 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6990 * final.c (shorten_branches): Remove outdated comment, and turn
6991 the if branch that guards it to continue.
6993 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6995 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6996 * cfgloop.h (struct loop): Remove unused fields.
6998 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7000 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7001 (-dL, -fdump-rtl-loop2): Update the dump file names
7003 * doc/invoke.texi: Update dump file names.
7005 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7007 * predict.c (estimate_probability): Remove.
7008 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7009 * basic-block.h (estimate_probability): Remove prototype.
7010 * passes.c (finish_optimization_passes): Dump branch prediction or
7011 profiling heuristics to the .profile tree dump.
7012 (init_optimization_passes): Unqueue pass_branch_prob.
7014 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7016 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7018 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7019 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7021 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7023 * function.h (frame_offset_overflow): Declare.
7024 * function.c (frame_offset_overflow): New function.
7025 (assign_stack_local_1): Call it to detect that the offset overflows.
7026 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7028 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7030 * config/sh/sh.c: Include alloc-pool.h.
7031 (label_ref_list_pool): New alloc pool.
7032 (label_ref_list_t): New type for lists of labels.
7033 (struct pool_node): Make wend a label_ref_list_t.
7034 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7036 (dump_table): Likewise.
7037 (sh_reorg): Set up the alloc pool before using add_constant and
7038 dump_table, and destroy it when finishing.
7040 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7042 * config/mips/mips.c: Remove redundant comment.
7044 2006-03-10 Jason Merrill <jason@redhat.com>
7047 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7048 the target was declared 'register'.
7050 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7052 * genpreds.c (write_insn_constraint_len): Change definition of
7053 insn_constraint_len to return size_t to match the declaration.
7055 2006-03-10 DJ Delorie <dj@redhat.com>
7057 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7059 (m32c_expand_insv): Fix test for an AND mask.
7061 2006-03-10 Richard Guenther <rguenther@suse.de>
7064 * builtins.c (get_pointer_alignment): Handle component
7065 references for field alignment.
7067 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7069 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7070 when building with libgloss.
7071 (sh*elf): Implement --without-fp option.
7072 (sh64-superh-linux*): Don't multilib.
7074 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7076 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7078 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7080 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7081 Set it when one of the replacement functions returned true.
7082 Return TODO_cleanup_cfg if cfgchanged is true.
7083 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7085 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7087 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7088 instead of gen_lowpart.
7090 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7092 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7094 (mips_output_order_conditional_branch): Declare.
7095 * config/mips/mips.h (MIPS_BRANCH): New macro.
7096 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7097 for the comparison. Use gen_condjump.
7098 (mips_output_conditional_branch): Rework interface to take the
7099 asm templates for a direct branch and the inverse of a direct branch.
7100 (mips_output_order_conditional_branch): New function.
7101 (mips_builtin_branch_and_move): New function.
7102 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7103 branch condition. Use gen_single_cc as the condition for
7104 __builtin_mips_upper_* or __builtin_mips_lower_*.
7105 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7106 Use VOIDmode for the branch condition.
7107 * config/mips/predicates.md (order_operator): New predicate.
7108 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7109 (branch_fp): Rename to...
7110 (*branch_fp): ...this. Remove mode from comparison operator.
7111 Use new mips_output_conditional_branch interface.
7112 (branch_fp_inverted): Rename to...
7113 (*branch_fp_inverted): ...this and update as for *branch_fp.
7114 (*branch_zero<mode>): Rename to...
7115 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7116 Use mips_output_order_conditional_branch. Only accept ordered
7118 (*branch_zero<mode>_inverted): Rename to...
7119 (*branch_order<mode>_inverted): ...this and update as for
7120 *branch_order<mode>.
7121 (*branch_equality<mode>): Accept zero as the second operand to
7122 the equality operator. Use the new mips_output_conditional_branch
7124 (*branch_equality<mode>_inverted): Likewise.
7125 (condjump): New expander.
7126 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7128 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7129 (bc1any2t, bc1any2f): Likewise.
7130 (single_cc): New expander.
7131 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7133 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7135 * doc/md.texi: Update documentation of MIPS constraints.
7136 * config/mips/constraints.md: New file.
7137 * config/mips/mips.md: Include it.
7138 * config/mips/mips.c (mips_char_to_class): Delete.
7139 (override_options): Don't initialize mips_char_to_class.
7140 * config/mips/mips.h (mips_char_to_class): Delete.
7141 (REG_CLASS_FROM_LETTER): Delete.
7142 (CONST_OK_FOR_LETTER_P): Delete.
7143 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7144 (EXTRA_CONSTRAINT_Y): Delete.
7145 (EXTRA_CONSTRAINT_STR): Delete.
7146 (CONSTRAINT_LEN): Delete.
7147 (EXTRA_MEMORY_CONSTRAINT): Delete.
7149 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7151 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7152 original fn's eh regions.
7154 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7156 * fold-const.c (build_range_check): Make sure to use a valid type to
7157 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7160 (range_predecessor): New static function.
7161 (range_successor): Likewise.
7162 (merge_ranges): Use them to compute predecessors and successors of
7165 2006-03-09 Roger Sayle <roger@eyesopen.com>
7168 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7169 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7171 2006-03-08 DJ Delorie <dj@redhat.com>
7173 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7174 (addpsi3): Expand to include memory operands. Remove
7175 reload-specific splits.
7176 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7177 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7178 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7179 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7180 (shift1_qi, shift1_hi, insv): New.
7181 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7182 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7183 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7185 * config/m32c/m32c-protos.h: Update as needed.
7186 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7187 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7188 Fail for unrecognized R* constraints.
7189 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7190 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7191 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7193 (m32c_init_libfuncs): New.
7194 (m32c_legitimate_address_p): Add debug wrapper.
7195 (m32c_rtx_costs): New.
7196 (m32c_address_cost): New.
7197 (conversions): Add 'B' prefix.
7198 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7199 operands, or word regnames for QI operands. 'B' prints bit
7201 (m32c_expand_setmemhi): New.
7202 (m32c_expand_movmemhi): New.
7203 (m32c_expand_movstr): New.
7204 (m32c_expand_cmpstr): New.
7205 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7206 (m32c_expand_neg_mulpsi3): Handle non-ints.
7207 (m32c_cmp_flg_0): New.
7208 (m32c_expand_movcc): New.
7209 (m32c_expand_insv): New.
7210 (m32c_scc_pattern): New.
7211 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7212 a0/a1 out of SIregs.
7213 (STORE_FLAG_VALUE): New.
7214 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7217 * config/m32c/mov.md: Make constraints more liberal.
7218 (zero_extendqihi2): Optimize r0/r1 case.
7219 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7220 * config/m32c/predicates.md (m32c_any_operand): New.
7221 (m32c_nonimmediate_operand): New.
7222 (m32c_hl_operand): New.
7223 (m32c_r3_operand): New.
7226 (memsym_operand): New.
7227 (memimmed_operand): New.
7228 (a_qi_operand): New.
7229 (m32c_eqne_operator): New.
7230 (m32c_1bit8_operand): New.
7231 (m32c_1bit16_operand): New.
7232 (m32c_1mask8_operand): New.
7233 (m32c_1mask16_operand): New.
7234 * config/m32c/blkmov.md: New file.
7235 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7237 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7239 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7240 unsigned to fix signed/unsigned comparison issue in
7241 DWARF2_FRAME_REG_OUT.
7242 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7243 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7245 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7246 of ptr into the ENABLE_CHECKING section.
7248 2006-03-08 Jeff Law <law@redhat.com>
7250 * tree-vrp.c (infer_value_range): Only count pointer uses
7251 and dereferences if -fdelete-null-pointer-checks is enabled.
7253 * tree-vrp.c (find_assert_locations): Infer value ranges for
7254 single use pointers, but do not create ASSERT_EXPRs for them.
7255 When a non-null range is inferred for a pointer, backwards
7256 propagate that range to other equivalent pointers through the
7259 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7262 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7263 language hook targets.
7264 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7265 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7266 if language hook targets were missing.
7268 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7270 * tree-ssa-opfinalize.h: Removed.
7271 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7273 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7274 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7275 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7276 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7277 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7278 finalize_ssa_v_must_def_ops): New.
7280 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7282 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7285 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7287 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7289 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7290 addresses with offsets; reorganize.
7292 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7293 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7294 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7296 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7299 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7301 2006-03-08 Ben Elliston <bje@au.ibm.com>
7303 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7305 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7308 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7311 2006-03-07 Richard Guenther <rguenther@suse.de>
7313 PR tree-optimization/26587
7314 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7316 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7318 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7320 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7322 * hooks.c (hook_bool_mode_rtx_true): New function.
7323 * hooks.h (hook_bool_mode_rtx_true): Declare.
7324 * toplev.c (compile_file): Call output_shared_constant_pool.
7325 * varasm.c (shared_constant_pool): New variable.
7326 (assemble_start_function, assemble_end_function): Remove arguments
7327 from call to output_constant_pool.
7328 (create_constant_pool): New function, split out from...
7329 (init_varasm_status): ...here.
7330 (force_const_mem): Choose between the shared and per-function constant
7331 pools. Set current_function_uses_const_pool when reusing old entries
7332 as well as when creating new ones.
7333 (mark_constant): Ignore data argument.
7334 (mark_constants): Remove pool argument.
7335 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7336 to decide whether the function uses a constant pool.
7337 (output_constant_pool_contents): New function, split out from...
7338 (output_constant_pool): ...here.
7339 (output_shared_constant_pool): New function.
7340 (init_varasm_once): Initialize shared_constant_pool.
7341 * output.h (output_constant_pool): Delete.
7342 (output_shared_constant_pool): Declare.
7343 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7344 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7346 2006-03-06 Nick Clifton <nickc@redhat.com>
7348 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7349 flag_strength_reduce.
7351 2006-03-06 Ben Elliston <bje@au.ibm.com>
7353 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7354 x86_64-*-linux* configurations.
7356 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7357 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7359 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7361 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7363 * basic-block.h: Remove the extern for
7364 rediscover_loops_after_threading.
7366 * cfgloop.c (cancel_loop): Make it static.
7367 * cfgloop.h: Remove the prototype for cancel_loop.
7369 * flow.c (recompute_reg_usage): Make it static.
7370 * rtl.h: Remove the prototype for recompute_reg_usage.
7372 * function.c (use_return_register): Make it static.
7373 * function.h: Remove the prototype.
7375 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7377 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7379 * recog.h: Remove the prototype for
7380 validate_change_maybe_volatile.
7382 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7384 * rtlanal.c (replace_reg): Remove.
7385 * rtl.h: Remove the prototype for replace_reg.
7387 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7389 * regclass.c (reg_scan_update): Remove.
7390 (reg_scan_mark_refs): Remove the last argument.
7391 * rtl.h: Remove the prototype for reg_scan_update.
7393 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7395 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7396 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7397 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7398 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7399 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7400 loop-invariant.c, omp-low.c, opts.c, passes.c,
7401 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7402 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7403 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7404 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7405 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7406 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7408 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7410 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7411 * dwarf2out.h: Remove the prototype for
7412 dwarf2out_add_library_unit_info.
7414 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7416 * tree.c (add_var_to_bind_expr): Remove.
7417 * tree.h: Remove the prototype for add_var_to_bind_expr.
7419 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7421 * regclass.c (n_non_fixed_regs): Remove.
7422 (init_reg_sets_1, globalize_reg): Remove all uses of
7424 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7426 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7428 * rtlanal.c (insns_safe_to_move_p): Remove.
7429 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7431 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7433 * expmed.c (expand_mult_add): Remove.
7434 * expr.h: Remove the prototype for expand_mult_add.
7436 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7438 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7439 and REG_SAVED_VAL_EXP constants.
7440 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7441 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7442 Handle regs stored by value.
7443 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7444 (execute_cfa_program): Handle DW_CFA_val_offset,
7445 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7446 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7447 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7448 (uw_install_context_1): Handle target regs stored by value.
7450 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7452 * tree-sra.c (tree_sra): Return todoflags;
7453 (generate_one_element): Set TODO_update_smt_usage if needed.
7454 (pass_sra): Remove TODO_update_smt_usage.
7455 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7457 (tree_ssa_forward_propagate_single_use_vars): Return
7458 TODO_update_smt_usage if we need to update SMT usage.
7459 (pass_forwprop): Remove TODO_update_smt_usage.
7461 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7463 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7464 (correct_use_link): Remove reference to get_stmt_operands.
7465 (update_stmt_operands): Likewise.
7466 (get_modify_expr_operands): New function factored out of
7467 parse_ssa_operands and get_expr_operands.
7468 Try to create V_MUST_DEFs for LHS by default.
7469 (get_expr_operands) <case MODIFY_EXPR>: Call
7470 get_modify_expr_operands.
7471 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7472 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7473 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7474 get_modify_expr_operands.
7476 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7478 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7479 * tree-flow.h: Remove the prototype for
7480 referenced_var_lookup_if_exists.
7482 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7484 PR rtl-optimization/26345
7486 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7488 2006-03-03 Roger Sayle <roger@eyesopen.com>
7490 PR tree-optimization/26524
7491 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7492 fold_convert to create a constant of the appropriate type.
7494 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7496 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7497 SYMBOL_REF_IN_BLOCK_P.
7498 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7499 of SYMBOL_FLAG_IN_BLOCK.
7500 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7501 instead of SYMBOL_REF_IN_BLOCK_P.
7502 * explow.c (use_anchored_address): Likewise.
7503 * rtl.c (rtx_size): Likewise.
7504 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7505 instead of SYMBOL_FLAG_IN_BLOCK.
7506 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7507 SYMBOL_REF_IN_BLOCK_P.
7508 (assemble_variable): Likewise.
7509 (output_constant_def_contents): Likewise.
7510 (output_constant_pool): Likewise.
7511 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7512 instead of SYMBOL_FLAG_IN_BLOCK.
7513 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7514 SYMBOL_REF_IN_BLOCK_P.
7515 (SYMBOL_REF_BLOCK): Likewise.
7516 (SYMBOL_REF_OFFSET): Likewise.
7517 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7518 SYMBOL_REF_IN_BLOCK_P.
7519 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7520 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7521 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7522 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7524 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7526 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7528 2006-03-02 Roger Sayle <roger@eyesopen.com>
7530 * simplify-rtx.c (simplify_unary_operation): When simplifying
7531 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7532 that we perform the right shift in the appropriate mode, and
7533 then extend or truncate the result to requested mode.
7535 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7537 * gengtype.c (main): Handle double_int type.
7538 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7539 * double-int.c: New file.
7540 * double-int.h: New file.
7541 * system.h: Include doubleint.h.
7542 * Makefile.in (SYSTEM_H): Include double-int.h.
7543 (double-int.o): Add.
7545 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7548 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7551 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7553 * tree-vrp.c (remove_range_assertions): Do not update statements
7556 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7558 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7560 * gcse.c (rest_of_handle_gcse): Ditto.
7561 * except.c (gate_handle_eh): Ditto.
7562 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7563 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7565 2006-03-02 Eric Christopher <echristo@apple.com>
7567 * config/i386/i386.c (machopic_output_stub): Add indirection to
7570 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7574 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7576 Sun Niagara specific optimizations.
7577 * config.gcc: Recognize niagara as target.
7578 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7579 (TARGET_CPU_niagara): Define.
7580 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7581 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7582 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7583 (ASM_CPU_SPEC): Likewise.
7584 (PROCESSOR_NIAGARA): New enum entry.
7585 (REGISTER_MOVE_COST): Handle Niagara.
7586 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7587 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7588 (sparc_override_options): Recognize "niagara", set appropriate
7589 default MASK_* values for it, and align functions to 32-bytes
7590 by default just like ULTRASPARC/ULTRASPARC3.
7591 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7592 (sparc64_initialize_trampoline): Likewise.
7593 (sparc_use_sched_lookahead): Use zero for niagara.
7594 (sparc_issue_rate): Use one for niagara.
7595 * config/sparc/niagara.md: New file.
7596 * config/sparc/sparc.md: Include it.
7597 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7598 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7599 when default cpu is niagara.
7600 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7601 (ASM_CPU_SPEC): Likewise.
7602 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7603 when default cpu is niagara.
7604 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7605 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7606 just like v9/ultrasparc/ultrasparc3.
7607 * doc/invoke.texi: Add documentation for "niagara" and improve
7608 existing documentation for ultrasparc variants.
7610 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7612 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7614 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7616 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7617 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7618 and say that only one is needed.
7619 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7620 * target.h (have_switchable_bss_sections): New hook.
7621 * explow.c (use_anchored_address): Check that the symbol is in a block.
7622 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7623 (bss_noswitch_section): New variables.
7624 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7625 (get_noswitch_section): New function.
7626 (get_block_for_section): Allow SECT to be null.
7627 (unlikely_text_section_p): Use SECTION_STYLE.
7628 (bss_initializer_p): New function.
7629 (get_variable_section): Move earlier in file. Take a new argument,
7630 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7631 Return one of the new *_sections in such cases.
7632 (get_block_for_decl): New function, extracting some logic from
7633 use_blocks_for_decl_p.
7634 (change_symbol_section): Remove in favor of...
7635 (change_symbol_block): ...this new function.
7636 (use_blocks_for_decl_p): Remove checks now performed by
7638 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7639 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7640 (emit_local, emit_bss, emit_common): ...these new functions.
7641 Return true if the alignment was honored.
7642 (emit_tls_common): New function.
7643 (asm_emit_uninitialised): Delete.
7644 (assemble_variable_noswitch): New function, split out from...
7645 (assemble_variable): ...here. Don't make decisions about common
7646 variables here. Globalize all public decls that go into non-common
7647 sections. Check whether SYMBOL_REF_BLOCK is null.
7648 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7649 (output_constant_pool): Likewise.
7650 (init_varasm_once): Initialize the new section variables.
7651 (have_global_bss_p): New function.
7652 (categorize_decl_for_section): Use bss_initializer_p.
7653 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7654 (place_block_symbol): Assert that the symbol must be in a block.
7655 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7656 (TARGET_INITIALIZER): Include it.
7657 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7658 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7659 (SECTION_MACH_DEP): Bump by two.
7660 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7661 (unnamed_section): Mention SECTION_UNNAMED in comment.
7662 (named_section): Likewise SECTION_NAMED.
7663 (noswitch_section_callback): New type.
7664 (noswitch_section): New structure.
7665 (section): Add a noswitch_section alternative.
7666 (SECTION_STYLE): New macro.
7667 (tls_comm_section, comm_section, lcomm_section): Declare.
7668 (bss_noswitch_section, have_global_bss_p): Declare.
7669 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7670 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7672 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7673 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7676 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7678 * tree-vrp.c (execute_vrp): Return value.
7679 * regrename.c (rest_of_handle_regrename): Ditto.
7680 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7681 * tree-complex.c (tree_lower_complex): Ditto.
7682 (tree_lower_complex_O0): Ditto.
7683 * tracer.c (rest_of_handle_tracer): Ditto.
7684 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7685 * postreload.c (rest_of_handle_postreload): Ditto.
7686 * tree-tailcall.c (execute_tail_recursion): Ditto.
7687 (execute_tail_calls): Ditto.
7688 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7689 * tree.h (init_function_for_compilation): Ditto.
7690 * ipa-cp.c (ipcp_driver): Ditto.
7691 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7692 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7693 * final.c (compute_alignments): Ditto.
7694 (rest_of_handle_final): Ditto.
7695 (rest_of_handle_shorten_branches): Ditto.
7696 (rest_of_clean_state): Ditto.
7697 * omp-low.c (execute_expand_omp): Ditto.
7698 (execute_lower_omp): Ditto.
7699 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7700 * ipa-reference.c (static_execute): Ditto.
7701 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7702 * reorg.c (rest_of_handle_delay_slots): Ditto.
7703 (rest_of_handle_machine_reorg): Ditto.
7704 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7705 * flow.c (recompute_reg_usage): Ditto.
7706 (rest_of_handle_remove_death_notes): Ditto.
7707 (rest_of_handle_life): Ditto.
7708 (rest_of_handle_flow2): Ditto.
7709 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7710 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7711 (do_ssa_store_ccp): Ditto.
7712 (execute_fold_all_builtins): Ditto.
7713 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7714 * modulo-sched.c (rest_of_handle_sms): Ditto.
7715 * ipa-pure-const.c (static_execute): Ditto.
7716 * cse.c (rest_of_handle_cse): Ditto.
7717 (rest_of_handle_cse2): Ditto.
7718 * web.c (rest_of_handle_web): Ditto.
7719 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7720 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7721 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7722 * tree-nrv.c (tree_nrv): Ditto.
7723 (execute_return_slot_opt): Ditto.
7724 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7725 (create_structure_vars): Ditto.
7726 * loop-init.c (rtl_loop_init): Ditto.
7727 (rtl_loop_done): Ditto.
7728 (rtl_move_loop_invariants): Ditto.
7729 (rtl_unswitch): Ditto.
7730 (rtl_unroll_and_peel_loops): Ditto.
7731 (rtl_doloop): Ditto.
7732 * gimple-low.c (lower_function_body): Ditto.
7733 (mark_used_blocks): Ditto.
7734 * tree-ssa-sink.c (execute_sink_code): Ditto.
7735 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7736 (cgraph_early_inlining): Ditto.
7737 * global.c (rest_of_handle_global_alloc): Ditto.
7738 * jump.c (cleanup_barriers): Ditto.
7739 (purge_line_number_notes): Ditto.
7740 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7741 (rest_of_handle_if_after_reload): Ditto.
7742 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7743 (tree_ssa_loop_im): Ditto.
7744 (tree_ssa_loop_unswitch): Ditto.
7745 (tree_vectorize): Ditto.
7746 (tree_linear_transform): Ditto.
7747 (tree_ssa_loop_ivcanon): Ditto.
7748 (tree_ssa_empty_loop): Ditto.
7749 (tree_ssa_loop_bounds): Ditto.
7750 (tree_complete_unroll): Ditto.
7751 (tree_ssa_loop_prefetch): Ditto.
7752 (tree_ssa_loop_ivopts): Ditto.
7753 (tree_ssa_loop_done): Ditto.
7754 * predict.c (tree_estimate_probability): Ditto.
7755 * recog.c (split_all_insns_noflow): Ditto.
7756 (rest_of_handle_peephole2): Ditto.
7757 (rest_of_handle_split_all_insns): Ditto.
7758 * tree-eh.c (lower_eh_constructs): Ditto.
7759 * regmove.c (rest_of_handle_regmove): Ditto.
7760 (rest_of_handle_stack_adjustments): Ditto.
7761 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7762 * function.c (instantiate_virtual_regs): Ditto.
7763 (init_function_for_compilation): Ditto.
7764 (rest_of_handle_check_leaf_regs): Ditto.
7765 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7766 (rest_of_handle_gcse): Ditto.
7767 * ipa-type-escape.c (type_escape_execute): Ditto.
7768 * alias.c (rest_of_handle_cfg): Ditto.
7769 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7770 * profile.c (rest_of_handle_branch_prob): Ditto.
7771 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7772 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7773 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7774 * tree-dfa.c (find_referenced_vars): Ditto.
7775 * except.c (set_nothrow_function_flags): Ditto.
7776 (convert_to_eh_region_ranges): Ditto.
7777 (rest_of_handle_eh): Ditto.
7778 * emit-rtl.c (unshare_all_rtl): Ditto.
7779 (remove_unnecessary_notes): Ditto.
7780 * except.h (set_nothrow_function_flags): Ditto.
7781 (convert_to_eh_region_ranges): Ditto.
7782 * cfgexpand.c (tree_expand_cfg): Ditto.
7783 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7784 * tree-ssa-pre.c (do_pre): Ditto.
7785 (execute_fre): Ditto.
7786 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7787 (rest_of_handle_jump2): Ditto.
7788 * tree-sra.c (tree_sra): Ditto.
7789 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7790 (execute_mudflap_function_decls): Ditto.
7791 * tree-ssa-copy.c (do_copy_prop): Ditto.
7792 (do_store_copy_prop): Ditto.
7793 * ipa-prop.h (ipcp_driver): Ditto.
7794 * cfglayout.c (insn_locators_initialize): Ditto.
7795 * tree-ssa-forwprop.c
7796 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7797 * cfglayout.h (insn_locators_initialize): Ditto.
7798 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7799 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7800 (execute_late_warn_uninitialized): Ditto.
7801 * rtl.h (cleanup_barriers): Ditto.
7802 (split_all_insns_noflow): Ditto.
7803 (purge_line_number_notes): Ditto.
7804 (unshare_all_rtl): Ditto.
7805 (remove_unnecessary_notes): Ditto.
7806 (recompute_reg_usage): Ditto.
7807 (variable_tracking_main): Ditto.
7808 * integrate.c (emit_initial_value_sets): Ditto.
7809 * integrate.h (emit_initial_value_sets): Ditto.
7810 * tree-optimize.c (execute_free_datastructures): Ditto
7811 (execute_free_cfg_annotations): Ditto.
7812 (execute_fixup_cfg): Ditto.
7813 (execute_cleanup_cfg_pre_ipa): Ditto.
7814 (execute_cleanup_cfg_post_optimizing): Ditto.
7815 (execute_init_datastructures): Ditto.
7816 * tree-object-size.c (compute_object_sizes): Ditto.
7817 * combine.c (rest_of_handle_combine): Ditto.
7818 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7819 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7820 (rest_of_handle_reorder_blocks): Ditto.
7821 (rest_of_handle_partition_blocks): Ditto.
7822 * var-tracking.c (variable_tracking_main): Ditto.
7823 * tree-profile.c (tree_profiling): Ditto.
7824 * tree-vect-generic.c (expand_vector_operations): Ditto.
7825 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7826 * sched-rgn.c (rest_of_handle_sched): Ditto.
7827 (rest_of_handle_sched2): Ditto.
7828 * basic-block.h (free_bb_insn): Ditto.
7829 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7830 * tree-cfg.c (execute_build_cfg): Ditto.
7831 (remove_useless_stmts): Ditto.
7832 (split_critical_edges): Ditto.
7833 (execute_warn_function_return): Ditto.
7834 (execute_warn_function_noreturn): Ditto.
7835 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7836 * cfgrtl.c (free_bb_for_insn): Ditto.
7837 * passes.c (execute_one_pass): Run additional
7838 todos returned by execute function.
7839 * tree-pass.h (struct tree_opt_pass): Make execute
7842 2006-03-02 Richard Guenther <rguenther@suse.de>
7844 * tree-ssa-alias.c (find_used_portions): Consider taking
7845 the address as making the variable not write-only.
7847 2006-03-02 Nick Clifton <nickc@redhat.com>
7849 * config.gcc (default_use_cxa_atexit): Extend the description of
7850 this configure variable. Set its default value to "yes" for
7851 Linux, NetBSD and ELF targets on the assumption that they will
7852 use C libraries with the __cxa_atexit function.
7854 2006-03-02 Ben Elliston <bje@au.ibm.com>
7856 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7857 parameter as unused to suppress a build warning.
7859 2006-03-02 Ben Elliston <bje@au.ibm.com>
7861 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7864 2006-03-01 Roger Sayle <roger@eyesopen.com>
7867 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7868 declared name, the weak reference name, and the typeof name.
7869 (__gthrw): Avoid expanding the declared name suffix.
7870 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7872 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7874 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7876 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7877 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7878 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7879 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7880 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7881 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7882 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7883 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7884 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7885 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7886 (DW_END_default, DW_END_big, DW_END_little): New.
7887 (DW_END_lo_user, DW_END_hi_user): Define.
7888 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7889 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7890 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7893 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7895 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7897 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7899 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7901 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7903 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7904 to 'symbol_mem_tag'.
7906 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7909 2006-03-01 Roger Sayle <roger@eyesopen.com>
7911 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7913 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7916 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7917 MACHO_DYNAMIC_NO_PIC_P.
7918 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7920 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7923 * config/darwin-protos.h (darwin_asm_output_anchor):
7925 * config/darwin-sections.def (cstring_section):
7926 Add SECTION_MERGE to the flags.
7927 (literal4_section): Likewise.
7928 (literal8_section): Likewise.
7929 (objc_selector_refs_section): Likewise.
7930 (objc_cls_refs_section): Likewise.
7931 * config/darwin.c (darwin_asm_output_anchor): New
7933 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7935 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7937 Fix PR tree-optimization/26443
7938 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7939 to todo and PROP_tmt_usage to properties_destroyed.
7940 * tree-ssa-ccp.c (pass_ccp): Ditto.
7941 (pass_store_ccp): Ditto.
7942 * tree-ssa-dom.c (pass_dominator): Ditto.
7944 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7946 * tree-ssa-operands.c: Cleanup whitespace.
7947 (get_asm_expr_operands): Move before first invocation.
7948 (get_indirect_ref_operands): Likewise.
7949 (get_tmr_operands): Likewise.
7950 (get_call_expr_operands): Likewise.
7951 (append_def): Likewise.
7952 (append_use): Likewise.
7953 (append_v_may_def): Likewise.
7954 (append_v_must_def): Likewise.
7955 (add_call_clobber_ops): Likewise.
7956 (add_call_read_ops): Likewise.
7957 (add_stmt_operand): Likewise.
7958 (add_virtual_operand): Likewise.
7959 (build_ssa_operands): Likewise.
7961 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7966 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7967 with a call expr to ...
7968 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7970 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7972 * tree-vrp.c (extract_range_from_assert): Remove special
7973 handling for types with super-types.
7975 2006-03-01 Ben Elliston <bje@au.ibm.com>
7977 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7978 and powerpc64-*-linux* configurations.
7979 * config/t-dfprules: New file.
7981 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7982 Compile dfp-bit.c from the source directory using -DWIDTH and
7983 $DFP_CFLAGS to control the compilation of that file, rather than
7984 generating width-specific versions in the build directory.
7985 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7986 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7988 2006-02-28 Zack Weinberg <zackw@panix.com>
7990 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7993 2006-02-28 Eric Christopher <echristo@apple.com>
7995 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7996 Set up IN_LIBGCC definition of TARGET_64BIT.
7997 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7999 2006-02-28 Roger Sayle <roger@eyesopen.com>
8002 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8003 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8004 cases via the construction of "expr != 0".
8006 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8008 * alias.c (alias_invariant, alias_invariant_size): Remove.
8009 (record_base_value): Remove.
8010 (memrefs_conflict_p): Don't look at alias_invariant.
8011 (end_alias_analysis): Don't free it.
8012 * alias.h (record_base_value): Remove prototype.
8014 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8015 Adam Nemet <anemet@caviumnetworks.com>
8017 * rtl.h (truncated_to_mode): Declare it.
8018 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8019 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8020 (RTL_HOOKS_INITIALIZER): Include it.
8021 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8022 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8023 reg_truncated_to_mode.
8024 * rtlanal.c (truncated_to_mode): Define it.
8025 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8027 2006-02-28 Jeff Law <law@redhat.com>
8029 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8030 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8031 the range allowed by TYPE_PRECISION.
8033 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8035 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8037 PR tree-optimization/26419
8038 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8041 2006-02-27 Zack Weinberg <zackw@panix.com>
8043 * doc/md.texi: Fix typo in previous change.
8045 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8049 2006-02-27 Zack Weinberg <zackw@panix.com>
8051 * rtl.def (define_constraint, define_register_constraint)
8052 (define_memory_constraint, define_address_constraint): New MD forms.
8053 * gensupport.c (process_rtx): Put define_constraint etc on the
8055 * genpreds.c (process_define_predicate): Adjust comment. Validate
8056 the name, and call validate_exp to validate the expression.
8057 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8058 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8059 all callers changed.
8060 (validate_exp, needs_variable, struct constraint_data)
8061 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8062 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8063 (const_dbl_constraints, constraint_max_namelen)
8064 (have_register_constraints, have_memory_constraints)
8065 (have_address_constraints, have_address_constraints)
8066 (have_extra_constraints, have_const_int_constraints)
8067 (have_const_dbl_constraints, mangle, add_constraint)
8068 (process_define_constraint, process_define_register_constraint)
8069 (write_enum_constraint_num, write_lookup_constraint)
8070 (write_insn_constraint_len, write_regclass_for_constraint)
8071 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8072 (write_insn_extra_memory_constraint)
8073 (write_insn_extra_address_constraint)
8074 (write_satisfies_constraint_fns): New.
8075 (write_tm_preds_h): If we have new-style constraint definitions,
8076 prototype the functions generated from them, and define the
8077 old constraint interface (still used by generic code) in terms of
8079 (write_insn_preds_c): If we have new-style constraint definitions,
8080 generate all relevant functions from those definitions.
8081 (main): Handle define_constraint etc.
8082 * genoutput.c (struct constraint_data, indep_constraints)
8083 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8084 (mdep_constraint_len): New data structures and functions, defined
8085 #ifdef USE_MD_CONSTRAINTS.
8086 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8087 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8088 use new logic to validate operand constraints against constraint
8090 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8092 * defaults.h: If none of the old-style constraint macros are
8093 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8094 old-style macros; and poison REG_CLASS_FROM_LETTER,
8095 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8097 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8098 * doc/md.texi: Document new constraint-definition mechanism and the
8099 C interface it provides. Remove references to old mechanism
8100 elsewhere in the document.
8101 (Machine Constraints): Use pathnames relative to gcc directory,
8102 i.e. config/ARCH/FILE. Change i386 section to refer to
8103 config/i386/predicates.md; update that section to match docstrings.
8104 * doc/tm.texi: Move all documentation of the old constraint-
8105 definition macros to their own section, clearly mark as obsolete.
8107 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8108 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8110 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8111 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8112 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8114 (splits and peepholes): Use satisfies_constraint_*.
8115 * config/i386/i386.c (memory_address_length)
8116 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8118 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8120 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8121 scalar operation to be put back into the loop.
8123 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8126 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8127 (extract_cie_info): Handle S flag in augmentation string.
8128 (execute_cfa_program): If context->signal_frame, execute also
8129 fs->pc == context->ra instructions.
8130 (uw_frame_state_for): If context->signal_frame, don't subtract one
8131 from context->ra to find FDE.
8132 (uw_update_context_1): Set context->signal_frame to
8134 (_Unwind_GetIPInfo): New function.
8135 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8136 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8138 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8139 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8140 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8141 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8142 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8143 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8144 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8145 x86_64_fallback_frame_state): Set fs->signal_frame.
8146 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8147 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8148 (frob_update_context): Likewise. Workaround missing S flag in
8149 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8150 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8151 Remove the psw_addr + 1 hack.
8153 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8155 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8156 with aggregates here.
8157 (find_func_aliases): Remove code for &<aggregate> from here.
8159 2006-02-26 Roger Sayle <roger@eyesopen.com>
8161 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8162 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8163 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8166 2006-02-26 Roger Sayle <roger@eyesopen.com>
8169 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8171 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8173 * opts.c (decode_options): Do not handle flag_strength_reduce.
8174 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8175 and OPT_fstrength_reduce.
8176 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8177 flag_prefetch_loop_arrays for being nonzero.
8178 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8180 (fprefetch-loop-arrays-rtl): Removed.
8181 (flag_prefetch_loop_arrays): Do not specify the value.
8183 * doc/passes.texi: Update documentation of loop optimizer
8185 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8186 -frerun-loop-opt): Remove.
8188 2006-02-26 Richard Guenther <rguenther@suse.de>
8190 PR tree-optimization/26421
8191 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8192 in function calls that are ADDR_EXPRs as using the whole structure.
8194 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8196 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8197 * tree-pass.h (pass_loop_optimize): Remove.
8198 * passes.c (pass_loop_optimize): Never run it.
8199 * toplev.c (backend_init): Don't call init_loop.
8200 * opts.c (flag_loop_optimize_set): Remove.
8201 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8202 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8203 the old RTL loop optimizer when profiling enabled.
8204 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8205 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8206 pre-headers for the sake of the old RTL loop optimizer.
8207 * Makefile.in: Remove all references to loop.o.
8209 * doc/invoke.texi: Remove all references to -floop-optimize
8210 and -frerun-loop-opt.
8212 2006-02-26 Zack Weinberg <zackw@panix.com>
8214 * doc/md.texi (Machine Constraints): Refer to all files with paths
8215 relative to gcc directory (i.e. config/CPU/file). Add missing
8216 @table @code ... @end table to M32C subsection.
8218 2006-02-26 Roger Sayle <roger@eyesopen.com>
8220 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8222 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8224 2006-02-26 Roger Sayle <roger@eyesopen.com>
8225 James A. Morrison <phython@gcc.gnu.org>
8228 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8229 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8230 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8231 signedness of the shift operation.
8233 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8235 PR tree-optimization/26359
8236 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8238 2006-02-25 Roger Sayle <roger@eyesopen.com>
8240 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8241 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8242 as X == 0, and some symmetry related transformations.
8243 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8245 2006-02-25 Roger Sayle <roger@eyesopen.com>
8248 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8249 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8250 symmetry related transformations. Fold (X^C1) == C2 as
8253 2006-02-25 Juergen Weigert <jw@suse.de>
8254 Richard Guenther <rguenther@suse.de>
8256 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8258 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8260 * combine.c (gen_lowpart_or_truncate): Call
8261 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8263 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8265 * doc/invoke.texi: Move -fopenmp description to "Options for
8267 Remove reference to -lgomp.
8269 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8271 * doc/install.texi: Require GNU tar version 1.14.
8273 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8275 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8276 * doc/invoke.texi (C++ Dialect Options): Document
8277 -fno-use-cxa-get-exception-ptr.
8278 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8279 * configure: Regenerate.
8280 * c.opt (fuse-cxa-get-exception-ptr): New.
8281 * c-opts.c (c_common_handle_option): Handle
8282 OPT_fuse_cxa_get_exception_ptr.
8283 * c-common.c (flag_use_cxa_atexit): Update documentation.
8284 (flag_use_cxa_get_exception_ptr): New.
8285 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8286 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8288 (C_COMMON_OVERRIDE_OPTIONS): New.
8290 2006-02-24 Roger Sayle <roger@eyesopen.com>
8293 * combine.c (try_combine): Explicitly check whether GET_CODE is
8294 a SET or a CLOBBER, instead on checking that it isn't a USE.
8296 2006-02-24 Roger Sayle <roger@eyesopen.com>
8298 * fold-const.c (fold_comparison): New subroutine of fold_binary
8299 containing transformations common to both the equality and
8300 ordering relational operators, factored out of fold_binary.
8301 (fold_binary): Separate out the equality operators (EQ_EXPR
8302 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8303 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8304 transformations common to both.
8305 (fold_div_compare): Fix latent bugs in the previously unreachable
8306 LT_EXPR and GE_EXPR cases.
8308 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8310 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8311 decl libname for clog to __clog on AIX.
8313 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8315 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8318 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8319 output traceback table for thunks. Localise rs6000_stack_info call.
8321 2006-02-23 Roger Sayle <roger@eyesopen.com>
8322 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8324 * gthr-posix.h (__gthrw): Fix typo in comment.
8326 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8328 * doc/cpp.texi (Character sets): Document that we do support
8329 input files to be in any character set.
8331 2006-02-23 Jeff Law <law@redhat.com>
8333 * tree.h (PHI_ARG_NONZERO): Remove.
8334 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8335 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8336 node to the new node.
8338 PR tree-optimization/26425
8339 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8340 min/max, then assume its varying.
8342 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8344 PR rtl-optimization/26316
8345 * rtlanal.c (enum may_trap_p_flags): New.
8346 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8347 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8348 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8349 (may_trap_after_code_motion_p): New function.
8350 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8351 (find_invariant_insn): Use may_trap_after_code_motion_p.
8352 * rtl.h (may_trap_after_code_motion_p): Declare.
8354 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8356 * emit-rtl.c (immed_double_const): Cleanup.
8358 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8360 Fix PR tree-optimization/26376
8361 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8364 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8367 * gimplify.c (omp_add_variable): Guard variable size decl test with
8368 DECL_SIZE (decl) check.
8370 2006-02-23 Richard Guenther <rguenther@suse.de>
8373 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8374 like aggregate types.
8376 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8378 * configure.ac: Add --with{,out}-long-double-128 configure option.
8379 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8380 * configure: Rebuilt.
8381 * config.in: Rebuilt.
8382 * doc/install.texi (Options specification): Document
8383 --with-long-double-128.
8385 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8386 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8387 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8388 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8390 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8392 * config/s390/s390.c (override_options): Handle
8393 TARGET_DEFAULT_LONG_DOUBLE_128.
8395 * config/alpha/alpha.c (override_options): Handle
8396 TARGET_DEFAULT_LONG_DOUBLE_128.
8398 * config/sparc/sparc.c (sparc_override_options): Handle
8399 TARGET_DEFAULT_LONG_DOUBLE_128.
8401 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8403 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8404 (real-install-headers-tar, real-install-headers-cpio)
8405 (real-install-headers-cp): New targets.
8407 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8409 * tree.h (variable_section): Delete.
8410 * varasm.c (variable_section): Delete.
8412 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8414 * install.texi: Add notes on install.texi2html.
8415 (Building in parallel): Do not use footnotes.
8417 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8420 * doc/install.texi (Configuration): Document --disable-libgomp.
8422 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8424 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8426 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8428 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8429 (vec_extractv2df_0_sse): New.
8431 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8433 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8434 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8435 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8436 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8437 to the result of the expression.
8438 (def_cfa_1): Adjust.
8439 (frame_pointer_cfa_offset): Rename to...
8440 (frame_pointer_fb_offset): ... this. Adjust all uses.
8441 (convert_cfa_to_loc_list): Rename to...
8442 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8443 Pass it on to build_cfa_loc.
8444 (compute_frame_pointer_to_cfa_displacement): Rename to...
8445 (compute_frame_pointer_to_fb_displacement): ... this. New
8446 offset parameter. Use it in computation.
8447 (gen_subprogram_die): Compute cfa_fb_offset with the new
8448 macro, and use it to compute the fb loc list and the
8451 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8453 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8454 replaced with register_operand.
8455 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8456 non-DREG is expensive.
8457 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8458 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8461 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8463 * doc/install.texi2html: Use set -e.
8465 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8467 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8468 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8469 * doc/invoke.texi (-fshared-data): Delete.
8470 * common.opt (fshared-data): Delete.
8471 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8472 (assemble_static_space): Remove #if 0 code.
8473 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8474 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8475 * config/cris/cris.h: Remove FIXME.
8477 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8479 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8482 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8485 * combine.c (simplify_shift_const_1): Disable nested shifts
8486 optimization for vector shifts.
8488 2006-02-20 Roger Sayle <roger@eyesopen.com>
8490 PR tree-optimization/26361
8491 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8492 of unsigned integer types.
8494 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8496 * tree-chrec.c (eq_evolutions_p): New.
8497 * tree-chrec.h (eq_evolutions_p): Declared.
8498 * tree-data-ref.c: Fix formatting.
8499 (datadep_stats, dependence_stats): New.
8501 (print_direction_vector): New.
8502 (dump_data_dependence_relation): Use print_direction_vector.
8503 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8504 (compute_subscript_distance): Static.
8505 (initialize_data_dependence_relation): Static. Get the number
8506 of loops surrounding the references from the callers, and initialize
8507 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8508 base_object_differ_p analyzers.
8509 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8510 compute_overlap_steps_for_affine_1_2,
8511 analyze_subscript_affine_affine): Count the classified dependences.
8512 Print a message when a test failed.
8513 (can_use_analyze_subscript_affine_affine): New.
8514 (analyze_siv_subscript): Compute the data dependences on symbolic
8515 scevs that verify can_use_analyze_subscript_affine_affine.
8516 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8517 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8518 Handle symbolic scevs.
8519 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8521 (subscript_dependence_tester): Moved...
8522 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8523 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8524 DDR_SIZE_VECT instead of getting it in parameter.
8525 (subscript_dependence_tester): ... here. Take as a parameter
8526 loop_nest_depth. Call build_classic_dist_vector and
8527 build_classic_dir_vector.
8528 (compute_affine_dependence): Update subscript_dependence_tester
8529 parameters. Update datadep_stats counters. Call
8530 compute_subscript_distance.
8531 (compute_self_dependence): Save the dist and dir vectors. Call
8532 compute_subscript_distance.
8533 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8534 (compute_all_dependences): Reorder parameters as they were before
8535 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8536 compute_subscript_distance. Update the use of
8537 compute_affine_dependence and initialize_data_dependence_relation.
8538 (find_data_references_in_loop): Handle COMPONENT_REF.
8539 (compute_data_dependences_for_loop): Initialize dependence_stats.
8540 Don't call build_classic_dist_vector and build_classic_dir_vector.
8541 Update the parameters of initialize_data_dependence_relation and
8542 compute_all_dependences. Print the statistics from datadep_stats.
8543 (analyze_all_data_dependences): Static. Not used until the pass for
8544 checking the data dependences is contributed.
8545 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8546 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8547 (initialize_data_dependence_relation, compute_affine_dependence,
8548 analyze_all_data_dependences, compute_subscript_distance): Removed.
8549 (print_direction_vector): New.
8550 * lambda.h (gcd): ... here.
8551 (lambda_vector_gcd): Moved here from gcd_vector.
8552 * lambda-code.c (gcd, gcd_vector): Removed.
8553 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8554 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8556 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8558 * ipa-type-escape.c: Tidy some comments and white space.
8559 * tree-ssa-operands.c: Likewise.
8561 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8564 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8565 (dump_decl_name): Do not walk the decl tree chains.
8566 * tree-pass.h (TDF_CHAIN): Remove.
8568 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8570 * Makefile.in (C): Remove
8572 (.PHONY): Remove C and PROTO
8574 2006-02-20 Roger Sayle <roger@eyesopen.com>
8577 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8578 deprecated CHAR_TYPE tree code.
8580 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8582 * configure.ac (target_list): Add install-info, dvi, html.
8583 * configure: Regenerate.
8585 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8586 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8587 treelang/Make-lang.in: Do not use double-colon rules.
8589 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8591 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8592 (TMT_USED_ALONE): New macro.
8593 * tree-pass.h (PROP_tmt_usage): New property.
8594 (TODO_update_tmt_usage): New todo.
8595 * tree-ssa-alias.c (updating_used_alone): New variable.
8596 (recalculate_used_alone): New function.
8597 (compute_may_aliases): Set updating_used_alone, call
8598 recalculate_used_alone.
8599 * tree-sra.c (pass_sra): Note that this pass destroys
8600 PROP_tmt_usage, and add TODO_update_tmt_usage.
8601 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8602 * tree-flow.h (updating_used_alone): Prototype.
8603 (recalculate_used_alone): Ditto.
8604 * passes.c (execute_todo): Add code to set updating_used_alone,
8605 and call recalculate.
8606 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8607 for clobber if used alone, and add assert to verify used_alone
8610 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8612 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8613 for non tls symbols added.
8614 (legitimize_address): Do nothing for PLUS expressions if one of the
8615 addends is a tls symbol reference.
8617 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8621 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8623 * Makefile.in (BOOTSTRAPPING): New.
8624 (quickstrap): New definition if BOOTSTRAPPING=yes.
8626 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8627 * configure.ac: Substitute all_selected_languages with the languages
8628 that were configured. For all the other variables except
8629 lang_specs_files, include all the languages in the tree.
8630 * configure: Regenerate.
8632 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8633 if there is one. Run the commands to run fixincludes in the same
8636 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8637 * doc/install.texi: Document exact conventions for searching target tools.
8638 Document --with-build-time-tools. Document toplevel bootstrap. Document
8639 something more about building an Ada cross-compiler. Don't list GNU Make
8640 requirements which affect all platforms.
8642 2006-02-19 Roger Sayle <roger@eyesopen.com>
8645 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8646 only equivalent if the have both the same mode and precision.
8648 2006-02-20 Ben Elliston <bje@au.ibm.com>
8650 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8652 2006-02-19 Roger Sayle <roger@eyesopen.com>
8653 Steven Bosscher <stevenb.gcc@gmail.com>
8655 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8656 constant pool references to identify stack mode constants.
8657 * rtlanal.c (constant_pool_constant_p): New predicate to check
8658 whether operand is a floating point constant in the pool.
8659 * rtl.h (constant_pool_constant_p): Prototype here.
8660 * loop.c (scan_loop): Avoid hoisting constants from the constant
8661 pool on STACK_REGS targets.
8662 (load_mems): Likewise.
8663 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8664 loads into x87 registers expensive in terms of register pressure.
8666 2006-02-19 Roger Sayle <roger@eyesopen.com>
8668 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8669 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8671 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8673 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8674 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8676 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8678 * doc/invoke.texi: Document -fipa-pta.
8679 * common.opt: Add ipa-pta option.
8680 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8681 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8682 (do_ds_constraint): Ditto.
8683 (get_constraint_for): Only add to referenced_vars if
8684 referenced_vars exists.
8685 (insert_into_field_list): Rewrite to do this unsorted.
8686 (insert_into_field_list_sorted): Rename old insert_into_field_list
8688 (create_function_info_for): Use insert_into_field_list_sorted.
8689 (create_variable_info_for): Rewrite so it uses unsorted version,
8690 since the field list is sorted.
8691 (intra_create_variable_infos): Only add to referenced_vars if
8692 referenced_vars exists.
8693 (ipa_pta_execute): Init heapvars, and delete when done.
8694 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8696 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8698 * doc/install.texi: Add missing `@samp'.
8700 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8702 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8705 2006-02-18 Mark Wielaard <mark@klomp.org>
8707 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8708 who added new 4.1 features, bug fixes and integration support.
8710 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8713 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8716 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8718 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8719 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8720 (copy_insn_1): Likewise. Don't copy each field individually.
8722 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8724 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8725 * rtl.c (rtx_size): Rename variable to...
8726 (rtx_code_size): ...this.
8727 (rtx_size): New function.
8728 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8729 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8731 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8732 * rtl.h (rtx_code_size): New variable.
8733 (rtx_size): Change from a variable to a function.
8734 (RTX_SIZE): Rename to...
8735 (RTX_CODE_SIZE): ...this.
8738 PR tree-optimization/17106
8739 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8740 (Anchored Addresses): New section.
8741 * doc/invoke.texi (-fsection-anchors): Document.
8742 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8743 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8744 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8745 * hooks.c (hook_bool_mode_rtx_false): New function.
8746 * hooks.h (hook_bool_mode_rtx_false): Declare.
8747 * gengtype.c (create_optional_field): New function.
8748 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8749 SYMBOL_REF_IN_BLOCK_P is true.
8750 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8751 (min_anchor_offset, max_anchor_offset): Likewise.
8752 (use_anchors_for_symbol_p): New hook.
8753 * toplev.c (compile_file): Call output_object_blocks.
8754 (target_supports_section_anchors_p): New function.
8755 (process_options): Check that -fsection-anchors is only used on
8756 targets that support it and when -funit-at-a-time is in effect.
8757 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8758 if the decl doesn't have one.
8759 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8760 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8761 of force_const_mem through use_anchored_address.
8762 (expand_expr_constant): New function.
8763 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8764 calling expand_expr for INDIRECT_REF.
8765 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8766 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8767 * expr.h (use_anchored_address): Declare.
8768 * loop-unroll.c: Don't declare rtx vectors here.
8769 * explow.c: Include output.h.
8770 (validize_mem): Call use_anchored_address.
8771 (use_anchored_address): New function.
8772 * common.opt (-fsection-anchors): New switch.
8773 * varasm.c (object_block_htab, anchor_labelno): New variables.
8774 (hash_section, object_block_entry_eq, object_block_entry_hash)
8775 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8776 (use_blocks_for_decl_p, change_symbol_section): New functions.
8777 (get_variable_section): New function, split out from assemble_variable.
8778 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8779 use_blocks_for_decl_p say so. Use change_symbol_section if the
8780 symbol has already been created.
8781 (assemble_variable_contents): New function, split out from...
8782 (assemble_variable): ...here. Don't output any code for
8783 block symbols; just pass them to place_block_symbol.
8784 Use get_variable_section and assemble_variable_contents.
8785 (get_constant_alignment, get_constant_section, get_constant_size): New
8786 functions, split from output_constant_def_contents.
8787 (build_constant_desc): Create a block symbol if use_object_blocks_p
8788 says so. Or into SYMBOL_REF_FLAGS.
8789 (assemble_constant_contents): New function, split from...
8790 (output_constant_def_contents): ...here. Don't output any code
8791 for block symbols; just pass them to place_section_symbol.
8792 Use get_constant_section and get_constant_alignment.
8793 (force_const_mem): Create a block symbol if use_object_blocks_p and
8794 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8795 (output_constant_pool_1): Add an explicit alignment argument.
8796 Don't switch sections here.
8797 (output_constant_pool): Adjust call to output_constant_pool_1.
8798 Switch sections here instead. Don't output anything for block symbols;
8799 just pass them to place_block_symbol.
8800 (init_varasm_once): Initialize object_block_htab.
8801 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8802 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8803 (place_block_symbol, get_section_anchor, output_object_block)
8804 (output_object_block_htab, output_object_blocks): New functions.
8805 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8806 (TARGET_ASM_OUT): Include it.
8807 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8808 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8809 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8810 (TARGET_INITIALIZER): Include them.
8811 * rtl.c (rtl_check_failed_block_symbol): New function.
8812 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8813 (block_symbol, object_block): New structures.
8814 (rtx_def): Add a block_symbol field to the union.
8815 (BLOCK_SYMBOL_CHECK): New macro.
8816 (rtl_check_failed_block_symbol): Declare.
8817 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8818 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8819 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8820 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8821 * output.h (output_section_symbols): Declare.
8822 (object_block): Name structure.
8823 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8824 (default_use_anchors_for_symbol_p): Declare.
8825 * Makefile.in (RTL_BASE_H): Add vec.h.
8826 (explow.o): Depend on output.h.
8827 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8828 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8829 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8830 (rs6000_use_blocks_for_constant_p): New function.
8832 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8834 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8836 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8839 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8842 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8844 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8848 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8851 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8852 instead of DECL_REGISTER.
8854 2006-02-18 Olivier Hainque <hainque@adacore.com>
8857 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8859 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8862 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8863 * opth-gen.awk: Handle Var and InverseMask together.
8864 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8865 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8866 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8867 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8869 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8870 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8871 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8872 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8873 LINUX_DYNAMIC_LINKER): Define.
8874 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8875 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8877 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8878 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8879 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8880 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8881 (TARGET_C99_FUNCTIONS): Don't define.
8882 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8883 GLIBC_DYNAMIC_LINKER.
8884 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8885 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8886 GLIBC_DYNAMIC_LINKER64): Define.
8887 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8888 LINUX_DYNAMIC_LINKER64.
8889 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8890 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8891 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8892 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8893 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8894 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8895 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8896 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8897 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8898 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8899 and LINUX_DYNAMIC_LINKER32.
8900 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8901 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8902 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8903 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8904 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8906 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8907 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8908 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8909 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8910 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8911 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8912 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8913 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8914 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8915 LINUX_DYNAMIC_LINKER): Define.
8916 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8917 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8918 GLIBC_DYNAMIC_LINKER64): Define.
8919 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8920 LINUX_DYNAMIC_LINKER64.
8921 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8922 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8923 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8924 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8925 LINUX_DYNAMIC_LINKER): Define.
8926 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8927 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8928 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8929 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8930 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8931 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8932 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8933 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8934 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8935 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8936 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8937 * doc/invoke.texi (-muclibc): Remove caveat about supported
8940 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8942 * doc/cpp.texi (__TIMESTAMP__): Document.
8944 2006-02-17 Roger Sayle <roger@eyesopen.com>
8947 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8948 C is one less than the width of X (and related transformations).
8949 * simplify-rtx.c (simplify_unary_operation_1): Transform
8950 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8951 depending on STORE_FLAG_VALUE, were C is one less then the
8954 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8956 Fix PR tree-optimization/26341
8957 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8958 about NAME_MEMORY_TAG's.
8960 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8963 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8964 with hardware float support, and software float support. Add fcpy
8965 alternative to hardware patterns. Add alternatives to copy between
8966 general and floating-point registers to the 32-bit pattern.
8967 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8968 secondary reload to load a QI or HI mode constant into a floating
8970 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8971 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8973 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8976 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8978 (load_macho_picbase_di): Likewise.
8980 2006-02-16 Jeff Law <law@redhat.com>
8982 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8983 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8984 (ssa_name_nonzero_p): Likewise.
8985 (get_value_range): Return NULL if VRP is not running.
8986 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8987 VRP routines do not discover a range.
8988 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8989 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8990 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8991 (tree_expr_nonnegative_p): Similarly.
8992 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8993 (restore_nonzero_vars_to_original_value): Remove.
8994 (unsafe_associative_fp_binop): Remove.
8995 (tree_ssa_dominator_optimize): Remove initialization and
8996 finalization of nonzero_vars and nonzero_vars_stack.
8997 (dom_opt_initialize_block): No longer push marker on
8999 (dom_opt_finalize_block): No longer call
9000 restore_nonzero_vars_to_original_value.
9001 (record_equivalences_from_phis): No longer look for
9002 nonzero PHI arguments.
9003 (cprop_into_successor_phis): No longer propagate nonzero
9004 property into PHI arguments. Lose unused argument. Caller
9006 (record_equivalences_from_stmt): No longer record nonzero
9007 values for SSA_NAMEs.
9008 (lookup_avail_expr): No longer use nonzero_vars.
9010 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9011 for sizetype when sizetype is unsigned.
9013 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9015 PR rtl-optimization/25603
9016 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9017 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9018 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9019 with new meaning of SETS.
9021 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9026 * config/linux.opt: New file.
9027 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9028 LINUX_DYNAMIC_LINKER): Define.
9029 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9030 * config.gcc (*-*-linux*): Define extra_options.
9031 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9032 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9033 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9034 GLIBC_DYNAMIC_LINKER.
9035 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9036 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9037 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9038 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9039 * doc/invoke.texi (GNU/Linux Options): New section.
9041 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9043 * config/sparc/sparc.md (setjmp): Rewrite.
9044 (setjmp_32): Delete.
9045 (setjmp_64): Likewise.
9047 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9049 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9052 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9054 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9057 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9059 PR rtl-optimization/26296
9060 * Makefile.in (loop-invariant.c): Add except.h dependency.
9061 * loop-invariant.c: Include except.h.
9062 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9064 2005-02-16 Paul Brook <paul@codesourcery.com>
9066 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9069 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9071 PR rtl-optimization/25636
9072 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9073 when deciding whether an insn is an initializing insn.
9075 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9077 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9078 (tree_code_size): Ditto.
9079 * tree.h (struct tree_memory_tag): Remove parent_var.
9080 (struct tree_struct_field_tag): New.
9083 (union tree_node): Add sft member.
9084 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9086 (create_sft): Add size and offset argument, set SFT_OFFSET and
9088 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9089 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9090 * tree-flow-inline.h (get_subvar_at): Update for
9091 SFT_OFFSET/SFT_SIZE.
9092 (var_can_have_subvars): Ditto.
9093 (overlap_subvar): Ditto.
9094 * print-tree.c (print_node): Print out interesting things for
9096 * tree-flow.h (struct subvar): Remove offset and size members.
9097 * tree-ssa-operands.c (get_expr_operands): Update for
9098 get_indirect_ref_operands changes.
9099 (get_indirect_ref_operands): Call add_virtual_operand instead of
9100 add_stmt_operand. Only recurse on base var if requested.
9101 (access_can_touch_variable): New function.
9102 (add_stmt_operand): Split virtual operand handling into ...
9103 (add_virtual_operand): Here. Add offset, size, and for_clobber
9104 arguments. Prune alias sets.
9105 (add_call_clobber_ops): Call add_virtual_operand.
9107 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9110 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9112 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9113 than TREE_CODE as index into omp_clause_num_ops array.
9115 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9117 PR rtl-optimization/26184
9118 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9120 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9121 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9122 must_precede, must_follow and tobe_scheduled.
9125 * opts.c (common_handle_option): Free new_option pointer.
9126 * df-core.c (df_analyze): Free postorder pointer.
9128 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9130 * Makefile.in: Fix the examples about the use of stamps
9132 2006-02-15 Michael Matz <matz@suse.de>
9136 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9137 influenced by maximum_field_alignment or DECL_PACKED.
9138 (update_alignment_for_field): Ditto.
9139 (place_field): Ditto.
9140 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9143 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9145 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9146 (debug_flow_info): Pass it.
9147 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9148 * bb-reorder.c (reorder_basic_blocks): Likewise.
9149 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9150 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9151 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9152 * gcse.c (gcse_main, bypass_jumps): Likewise.
9153 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9154 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9155 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9156 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9157 * rtl.h (dump_flow_info): Adjust prototype.
9158 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9159 * var-tracking.c (variable_tracking_main): Likewise.
9160 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9161 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9164 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9166 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9169 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9171 PR tree-optimization/26209
9172 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9173 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9175 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9177 2006-02-14 Roger Sayle <roger@eyesopen.com>
9180 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9181 (X,Y) and the corresponding symmetry related transformations.
9182 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9183 (X,Y) and its symmetry related transformations.
9185 2006-02-14 Roger Sayle <roger@eyesopen.com>
9187 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9190 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9192 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9194 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9197 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9198 support COMDAT group.
9199 * configure: Regenerate.
9201 2006-02-14 Roger Sayle <roger@eyesopen.com>
9206 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9208 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9210 Fix PR tree-optimization/26260
9212 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9214 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9215 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9216 * tree-ssa-structalias.c (create_variable_info_for): Use
9217 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9219 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9221 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9223 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9224 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9225 of the ending condition.
9226 * tree-ssa-loop-manip.c: Include params.h.
9227 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9228 tree_unroll_loop): New functions.
9229 * tree-pass.h (pass_loop_prefetch): Declare.
9230 * loop.c (rest_of_handle_loop_optimize): Test for
9231 -fprefetch-loop-arrays-rtl.
9232 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9233 * timevar.def (TV_TREE_PREFETCH): New timevar.
9234 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9235 pass_loop_prefetch): New.
9236 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9237 (cleanup_tree_cfg_loop): Call scev_reset.
9238 * common.opt (fprefetch-loop-arrays-rtl): Add.
9239 * tree-ssa-loop-prefetch.c: New file.
9240 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9241 (new_temp_expr_table): Initialize expr_vars.
9242 (free_temp_expr_table): Cleanup expr_vars.
9243 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9244 expressions from being merged into one.
9245 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9246 (struct tree_niter_desc): Add control, bound and cmp fields.
9247 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9249 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9250 (tree-cfgcleanup.o): Add SCEV_H dependency.
9251 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9252 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9254 2006-02-14 Richard Guenther <rguenther@suse.de>
9256 PR tree-optimization/26258
9257 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9258 in PHI argument processing.
9260 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9262 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9263 new expression in the requested machine mode.
9265 2006-02-13 Roger Sayle <roger@eyesopen.com>
9267 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9268 directly, instead let do_compare_rtx_and_jump handle this for us.
9269 * expr.c (expand_expr_real_1): Likewise.
9270 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9271 before do_jump_by_parts_greater.
9272 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9273 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9275 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9277 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9279 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9281 PR rtl-optimization/26235
9282 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9283 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9286 2006-02-13 Jeff Law <law@redhat.com>
9288 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9291 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9294 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9295 twice if decl is a builtin. When trying again, call get_callee_fndecl
9296 first to verify it is still a builtin.
9298 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9300 * dwarf2out.c (base_type_die): Don't add AT_name here.
9301 (subrange_type_die): Don't add AT_name here.
9302 (modified_type_die): Rearrange code flow. Do add AT_name here.
9304 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9306 PR rtl-optimization/26247
9307 PR rtl-optimization/26248
9308 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9310 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9312 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9313 * config/fixtfdi.c: Likewise.
9314 * config/fixunstfdi.c: Likewise.
9315 * config/floatditf.c: Likewise.
9317 2006-02-13 Roger Sayle <roger@eyesopen.com>
9320 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9321 into (X,C2) if C1 is a subset of the bits of C2. Transform
9322 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9324 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9326 2006-02-13 Josh Conner <jconner@apple.com>
9329 * varasm.c (function_section): Check for section name before
9330 calling select_section on targets that define
9331 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9332 unlikely_text_section instead of hot_function_section if
9333 first_function_block_is_cold.
9335 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9338 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9340 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9342 PR rtl-optimization/26222
9343 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9344 after tree->rtl expansion.
9345 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9346 before passing it to emit_move_insn.
9348 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9350 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9352 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9353 Clarify documentation.
9354 * c-common.h (warn_write_strings): Remove.
9355 * c-common.c (warn_write_strings): Likewise.
9356 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9359 2006-02-12 Roger Sayle <roger@eyesopen.com>
9362 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9363 (do_jump_parts_zero_rtx): New function renamed from
9364 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9365 (do_jump_parts_equality_rtx): New function split out from
9366 do_jump_parts_equality. Old implementation renamed as above.
9367 Call do_jump_parts_zero_rtx if either operand is zero.
9368 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9369 do all of the heavy lifting.
9370 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9371 calling either do_jump_by_parts_greater_rtx or
9372 do_jump_by_parts_equality_rtx.
9373 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9374 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9375 moved to do_compare_rtx_and_jump, call it directly.
9376 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9377 mode argument. Call do_compare_rtx_and_jump.
9378 (emit_case_nodes): Update calls to do_jump_if_equal.
9380 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9382 PR rtl-optimization/26225
9383 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9385 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9387 PR rtl-optimization/26232
9388 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9390 2006-02-11 Jason Merrill <jason@redhat.com>
9393 * tree-inline.c (declare_return_variable): Just don't use the
9394 modify target if it's a gimple complex reg and the return slot
9397 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9399 * doc/contrib.texi: Update my entry.
9401 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9403 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9405 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9407 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9410 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9412 * doc/invoke.texi (-floop-optimize2): Removed.
9413 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9414 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9415 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9416 * common.opt (floop-optimize2): Removed.
9417 (fmove-loop-invariants): Enabled by default.
9419 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9421 * tree-if-conv.c (combine_blocks): Free the result of
9422 get_loop_exit_edges.
9424 2006-02-10 Jeff Law <law@redhat.com>
9426 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9428 PR tree-optimization/26213
9429 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9430 loop trying to follow SSA_NAME_VALUE chains.
9432 2006-02-10 Richard Guenther <rguenther@suse.de>
9434 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9435 deal with structures that end in implicitly variable sized arrays.
9437 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9439 PR rtl-optimization/24762
9440 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9443 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9445 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9446 (struct ivopts_data): Add regs_used field.
9447 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9448 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9449 instead of loop_data->regs_used;
9450 (free_loop_data): Do not free aux fields for loops.
9451 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9452 and tree_ssa_iv_optimize_finalize.
9454 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9456 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9458 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9461 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9462 computing the effective result type.
9464 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9467 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9468 (tree_overlaps_hard_reg_set): Declare.
9469 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9470 type and signature to match function type expected by walk_tree.
9471 (tree_overlaps_hard_reg_set): New function.
9472 (decl_conflicts_with_clobbers_p): Rename to:
9473 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9474 Use tree_overlaps_hard_reg_set. Changed caller.
9475 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9476 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9477 * cris.c (cris_md_asm_clobbers): Likewise.
9479 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9481 * reload1.c (emit_input_reload_insns): Delete code that tries to
9482 inherit using find_equiv_reg.
9484 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9486 * c-common.h (flag_const_strings): Don't declare.
9487 * c-common.c (flag_const_strings): Remove.
9488 * c.opt (fconst_strings): Remove.
9489 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9490 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9491 (c_common_init_options): Don't set flag_const_strings.
9492 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9494 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9496 * arm.md (tlobits_cbranch): New pattern.
9497 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9498 testing a single bit.
9500 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9503 * tree-ssa-pre.c (create_component_ref_by_pieces):
9504 Handle RETURN_DECL like VAR_DECL.
9506 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9509 * fold-const.c (fold_indirect_ref_1): Fold
9510 "*(foo *)&complexfoo" to "__real__ complexfoo"
9511 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9513 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9515 * tree-flow-inline.h (var_can_have_subvars):
9516 Volatile variables should not have subvariables.
9518 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9521 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9522 multiplying unsigned values.
9525 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9527 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9529 2006-02-08 Jason Merrill <jason@redhat.com>
9532 * tree.def: Elaborate on difference from MODIFY_EXPR.
9533 * doc/c-tree.texi (INIT_EXPR): Likewise.
9534 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9535 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9536 (gimplify_target_expr): Likewise.
9537 (gimplify_cond_expr): Remove target handling.
9538 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9539 (gimplify_expr): Clobber it here.
9540 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9541 Do return slot optimization if we have an INIT_EXPR.
9544 * tree-inline.c (declare_return_variable): Also clear
9545 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9548 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9551 * gimplify.c (gimplify_one_sizepos): Fix typo.
9553 2006-02-08 Jeff Law <law@redhat.com>
9555 PR tree-optimization/21417
9556 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9557 across a backedge if the control statement at the end of the
9558 block is data dependent on other statements in the same block.
9559 (record_temporary_equivalences_from_stmts): Remove over-conservative
9560 test for threading across backedges.
9562 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9563 control statement, handle all three special cases in the same
9564 manner as they all have the same desired solution. No longer
9565 special case edge flag updating when the post dominator is
9568 2006-02-08 Roger Sayle <roger@eyesopen.com>
9570 * tree.def (CHAR_TYPE): Remove.
9571 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9572 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9573 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9574 (gen_string_type_die): Delete unreachable function.
9576 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9577 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9578 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9579 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9580 * builtins.c (type_to_class): Likewise.
9581 * fold-const.c (fold_convert, build_range_check,
9582 merge_ranges): Likewise.
9583 * expr.c (count_type_elements): Likewise.
9584 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9585 * stor-layout.c (layout_type): Likewise.
9586 * ipa-type-escape.c (type_to_consider): Likewise.
9587 * gimplify.c (omp_firstprivatize_type_sizes,
9588 gimplify_type_sizes): Likewise.
9589 * explow.c (promote_mode): Likewise.
9590 * tree-sra.c (is_sra_scalar_type): Likewise.
9591 * varasm.c (output_constant): Likewise.
9592 * tree-inline.c (remap_type_1): Likewise.
9593 * convert.c (convert_to_pointer, convert_to_real,
9594 convert_to_integer, convert_to_complex): Likewise.
9596 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9598 * df-scan.c (df_def_record_1): A set destination may
9599 be a parallel regardless of mode.
9601 2006-02-08 Roger Sayle <roger@eyesopen.com>
9604 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9605 * config/mips/_tilib.c: Remove.
9606 * config/fixtfdi.c: New libgcc source file.
9607 * config/fixunstfdi.c: New source file.
9608 * config/floatditf.c: New source file.
9609 * config/floatunditf.c: New souce file.
9610 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9611 files above instead of config/mips/_tilib.c.
9612 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9614 2006-02-08 Jeff Law <law@redhat.com>
9616 PR tree-optimization/26169
9617 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9620 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9622 * df.h (DF_REG_SIZE): Return the length of the initialized
9625 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9627 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9628 __muldf3): Return a correctly signed zero.
9630 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9632 * passes.c (register_one_dump_file): Accept the current properties
9633 instead of pass number. Adjust call to dump_register. Remove
9635 (register_dump_files): Now a wrapper around...
9636 (register_dump_files_1): ... this one. Do not modify the pass
9638 (next_pass_1): Cosmetic fix.
9639 (execute_todo): Keep second parameter only. Use curr_properties
9640 instead of fetching it from the pass structure. Check and set
9642 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9643 instead of fetching it from the pass structure. Fix calls to
9644 execute_todo. Update curr_properties and initialize .vcg RTL dump
9645 after running the pass. Reset last_verified.
9646 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9648 (FIRST_AUTO_NUMBERED_DUMP): New.
9649 (dump_register): Remove "num" parameter, assign it within the
9651 (get_dump_file_name): Modify template for dumps.
9652 * tree-dump.h (dump_register): Adjust prototype.
9653 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9654 (PROP_trees): Add PROP_gimple_lomp.
9655 (TODO_set_props): New.
9656 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9657 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9658 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9660 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9662 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9663 (sparc64-*-linux*): Likewise.
9664 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9665 * config/sparc/t-linux: New file.
9666 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9667 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9668 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9669 -m32 -mlong-double-128.
9671 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9672 * config/alpha/t-linux: New file.
9673 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9675 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9676 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9677 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9678 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9679 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9680 (CPP_ARCH32_SPEC): Remove.
9682 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9684 PR tree-optimization/26145
9685 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9688 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9691 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9692 >= 240000 when generating code for SOM runtime.
9693 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9694 to $$dyncall when generating code for SOM runtime..
9696 2006-02-07 Dirk Mueller <dmueller@suse.com>
9699 * doc/invoke.texi (-Wsequence-point): Update documentation
9700 that -Wsequence-point is implemented for C++ as well.
9702 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9704 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9705 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9706 (LIB_SPEC): Likewise.
9707 * doc/invoke.texi (SPARC options): Document -pthread.
9709 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9711 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9714 2006-02-07 Roger Sayle <roger@eyesopen.com>
9716 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9717 Correct comment describing BOOLEAN_TYPE.
9719 2006-02-07 Dirk Mueller <dmueller@suse.com>
9721 * c.opt: C++ frontend supports -Wdiv-by-zero.
9722 * c-opts.c (c_common_handle_option): Remove dead case.
9724 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9726 * configure.ac (TLS assembler check): Do not enable TLS by
9727 default on SPARC/Solaris before version 10.
9728 * configure: Regenerate.
9730 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9732 * doc/invoke.texi (xl-compat): Document conversion and support
9735 2006-02-07 Jeff Law <law@redhat.com>
9737 * tree-vrp.c (find_conditional_asserts): Update comments.
9738 (simplify_stmt_for_jump_threading): New.
9739 (identify_jump_threads, finalize_jump_threads): New.
9740 (vrp_finalize): Call identify_jump_threads.
9741 (execute_vrp): Call finalize_jump_threads.
9742 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9743 (vrp_element, vrp_data, vrp_element_p): Remove.
9744 (vrp_hash_elt, vrp_variables_stack): Remove.
9745 (vrp_hash, vrp_eq, record_range): Remove.
9746 (simplify_cond_and_lookup_avail_expr): Remove.
9747 (extract_range_from_cond): Remove.
9748 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9749 (simplify_stmt_for_jump_threading): New.
9750 (dom_thread_across_edge): New wrapper.
9751 (tree_ssa_dominator_optimize): No longer initialize or
9752 finalize any of the VRP datastructures. Remove iteration
9753 step and simplify as a result of removal of iteration step.
9754 (pass_dominator): Perform a cfg cleanup after DOM.
9755 (dom_opt_finalize_block): Use the new common routines
9756 for threading jumps. Simplify stack management slightly.
9757 No longer need to unwind VRP state.
9758 (record_equivalences_from_incoming_edge): No longer record
9760 (eliminate_redundant_computations): No longer call
9761 simplify_cond_and_lookup_avail_expr.
9762 * tree-flow.h (potentially_threadable_block): Prototype.
9763 (thread_across_edge): Likewise.
9764 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9765 (tree-ssa-threadedge.o): Add dependencies.
9766 * tree-ssa-threadedge.c: New file.
9767 * passes.c (init_optimization_passes): Merge PHIs before
9768 calling VRP. Run VRP again late in the SSA optimization pipeline.
9770 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9772 * df-core.c (df_set_blocks): Do not dereference function pointers.
9773 (df_finish1): Likewise.
9774 (df_hybrid_search_forward): Likewise.
9775 (df_hybrid_search_backward): Likewise.
9776 (df_iterative_dataflow): Likewise.
9777 (df_analyze_problem): Likewise.
9778 (df_compact_blocks): Likewise.
9779 (df_dump): Likewise.
9780 * df-scan.c (df_rescan_blocks): Likewise.
9781 (df_record_entry_block_defs): Likewise.
9783 * genconditions.c (write_conditions): Guard the definition of
9784 'insn_conditions' with the check on GCC version.
9785 (write_writer): Guard the traversal 'insn_conditions' with
9786 the check on GCC version.
9788 2006-02-07 Richard Guenther <rguenther@suse.de>
9792 2006-01-30 Richard Guenther <rguenther@suse.de>
9794 * gimplify.c (gimplify_target_expr): Handle easy cases
9795 without creating a temporary.
9797 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9799 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9800 use of float in probability computations. Use edge probabilities
9801 in place of statically computed probabilities.
9802 (min_spec_prob): New static variable.
9803 (schedule_insns): Initialize it.
9804 (GET_SRC_PROB): Removed.
9805 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9807 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9810 * config/ia64/unwind-ia64.c: Revert last change.
9811 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9812 (INCOMING_FRAME_SP_OFFSET): Define.
9814 2006-02-06 Roger Sayle <roger@eyesopen.com>
9816 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9818 2006-02-07 Ben Elliston <bje@au.ibm.com>
9820 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9821 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9822 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9823 (ix86_return_in_memory): Handle TDmode.
9824 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9825 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9827 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9829 * reorg.c (dbr_schedule): Use dump_file instead of file.
9831 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9834 * config/ia64/predicates.md (extr_len_operand): New predicate.
9835 * config/ia64/ia64.md (extv): Tighten constraints.
9837 (*tbit_and_2): Ditto.
9838 (*tbit_and_3): Ditto.
9839 (*tbit_or_2): Ditto.
9840 (*tbit_or_3): Ditto.
9844 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9847 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9849 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9851 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9852 loop_optimizer_init and loop_optimizer_finalize
9853 * tree-ssa-sink.c (execute_sink_code): Ditto.
9854 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9855 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9856 tree_ssa_loop_done): Ditto.
9857 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9858 * sched-ebb.c: Include output.h.
9859 (schedule_ebbs): Do not use dump argument.
9860 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9861 * loop.c (loop_dump_stream): Removed.
9862 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9864 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9865 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9866 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9867 loop_iterations, strength_reduce, record_biv, record_giv,
9868 final_giv_value, check_final_value, check_ext_dependent_givs,
9869 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9870 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9871 dump_file instead of loop_dump_stream.
9872 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9874 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9876 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9877 * haifa-sched.c: Include output.h
9878 (schedule_insns, sched_init): Do not use dump argument.
9879 * mode-switching.c (optimize_mode_switching): Ditto.
9880 * modulo-sched.c (stats_file): Removed.
9881 (print_node_sched_params): Do not call argument dump_file.
9882 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9883 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9885 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9887 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9888 rtl_loop_init, rtl_loop_done): Ditto.
9889 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9890 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9892 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9893 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9894 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9895 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9896 * emit-rtl.c (renumber_insns): Ditto.
9897 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9898 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9899 * regclass.c (regclass): Ditto.
9900 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9901 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9902 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9903 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9905 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9906 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9908 * gcse.c (gcse_file, debug_stderr): Removed.
9909 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9910 rest_of_handle_gcse): Do not use dump argument.
9911 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9912 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9913 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9914 compute_code_hoist_vbeinout, compute_code_hoist_data,
9915 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9916 compute_store_table, build_store_vectors, insert_insn_start_bb,
9917 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9918 store_motion): Use dump_file instead of gcse_file.
9919 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9920 * profile.c (profile_dump_file): Removed.
9921 (branch_prob): Use dump_file instead of profile_dump_file.
9922 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9924 * tree-ssa-copy.c (dump_copy_of): Ditto.
9925 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9926 dump file to life_analysis.
9927 * bt-load.c (branch_target_load_optimize): Ditto.
9928 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9930 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9931 regclass, dbr_schedule): Declaration changed.
9932 * sched-int.h (sched_init): Declaration changed.
9933 * tree-profile.c (tree_profile_dump_file): Removed.
9934 (tree_profile_hooks): Removed profile_dump_file hook.
9935 * rtl-profile (rtl_profile_dump_file): Removed.
9936 (rtl_profile_hooks): emoved profile_dump_file hook.
9937 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9939 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9940 * tree-cfg.c (build_tree_cfg): Ditto.
9941 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9942 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9943 Declaration changed.
9944 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9945 life_analysis and schedule_insns.
9946 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9948 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9950 * config/mips/mips.c (mips_reorg): Ditto.
9951 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9954 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9956 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9957 (s390_mangle_fundamental_type): New.
9958 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9961 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9962 (alpha_mangle_fundamental_type): New.
9963 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9966 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9968 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9970 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9971 (sparc_mangle_fundamental_type): New.
9973 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9975 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9976 (s390x-*-linux*): Likewise.
9977 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9978 * config/s390/t-linux: New file.
9980 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9982 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9983 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9985 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9987 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9988 (ANTIC_SAFE_LOADS): New macro.
9989 (find_or_generate_expression): Add prototype.
9990 (set_contains_value): Allow null set for sake of not always having
9991 to allocate ANTIC_SAFE_LOADS.
9992 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9993 Allow COMPONENT_REF too.
9994 (valid_in_set): Allow COMPONENT_REF.
9995 Check ANTIC_SAFE_LOADS too.
9996 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9997 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9999 (can_PRE_operation): Add COMPONENT_REF.
10000 (create_component_ref_by_pieces): New function.
10001 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10002 (insert_aux): Move AGGREGATE_TYPE_P check here.
10003 (compute_avail): Set bb local stmt uids.
10004 (pass_pre): Use TODO_update_ssa_only_virtuals.
10006 2006-02-06 Ben Elliston <bje@au.ibm.com>
10008 * configure.ac: Unconditionally disable decimal float by default.
10009 * configure: Regenerate.
10011 2006-02-06 Ben Elliston <bje@au.ibm.com>
10013 * read-rtl.c (read_name): Terminate reading on EOF.
10015 2006-02-06 Ben Elliston <bje@au.ibm.com>
10017 * dfp.c (decimal_real_arithmetic): Change second argument type
10018 from int to enum tree_code. Do not always return true, but now
10019 return result of any call to decimal_do helper functions.
10020 * dfp.h (decimal_real_arithmetic): Update prototype.
10022 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10024 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10026 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10029 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10032 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10034 * tree-vrp.c (cfg_loops): Removed.
10035 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10036 Use current_loops instead of cfg_loops. Pass flags to
10037 loop_optimizer_init.
10038 * cfgloopmanip.c (fix_loop_structure): Update only available
10040 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10041 loop_optimizer_init.
10042 * modulo-sched.c (build_loops_structure): Removed.
10043 (sms_schedule): Use loop_optimizer_init.
10044 * loop-init.c (loop_optimizer_init): Use flags to determine
10045 which properties of loops to prepare.
10046 (rtl_loop_init): Pass flags to loop_optimizer_init.
10047 * tree-ssa-sink.c (execute_sink_code): Ditto.
10048 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10049 * tree-ssa-pre.c (init_pre): Ditto.
10050 * cfgloop.h (LOOPS_NORMAL): New.
10051 (loop_optimizer_init): Declaration changed.
10053 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10055 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10056 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10058 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10060 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10062 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10063 * pa/t-pa64: Delete quadlib.c rule.
10064 * pa/x-ada: Revert last change.
10065 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10067 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10069 PR rtl-optimization/26087
10070 * rtlanal.c (canonicalize_condition): Do not cross basic block
10073 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10076 * config/ia64/ia64.c: Include debug.h.
10077 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10078 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10079 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10080 (process_epilogue, process_set, process_for_unwind_directive):
10081 Output unwind info only if requested. Add CFA info if requested.
10082 Add new arguments as needed. Adjust callers.
10083 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10085 (DWARF2_FRAME_INFO): Define to zero.
10086 * config/ia64/unwind-ia64.c: Remove code that compensated for
10087 the CFA offset error fixed above.
10088 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10089 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10090 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10091 -funwind-tables and -fexceptions to enable frame info.
10092 (dwarf2out_frame_init): Define initial CFA even if
10093 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10094 DWARF2_UNWIND_INFO is nonzero, not just defined.
10095 (dwarf2out_frame_finish): Output non-EH call frame info only
10096 if DWARF2_FRAME_INFO is nonzero.
10097 (convert_cfa_to_loc_list,
10098 compute_frame_pointer_to_cfa_displacement): Define even if
10099 unwind info is not supported.
10100 (gen_subprogram_die): Use the above unconditionally. Remove
10101 legacy alternate code.
10102 * toplev.c (compile_file): Compile in call to
10103 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10104 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10106 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10107 Jakub Jelinek <jakub@redhat.com>
10109 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10110 IBM extended float format long double as "g" on powerpc*-linux.
10112 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10115 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10116 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10118 2006-02-03 Jason Merrill <jason@redhat.com>
10121 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10123 PR middle-end/25977
10124 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10125 on the return slot if it's an NRV.
10127 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10129 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10130 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10131 rewrite_use): Do not handle USE_OUTER.
10132 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10133 add_iv_outer_candidates, may_replace_final_value,
10134 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10135 (find_interesting_uses_op): Functionality of
10136 find_interesting_uses_outer_or_nonlin moved here.
10137 (find_interesting_uses_outside): Use find_interesting_uses_op.
10139 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10142 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10144 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10145 Ulrich Weigand <uweigand@de.ibm.com>
10148 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10149 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10150 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10151 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10153 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10154 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10155 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10156 Define secondary reloads for TFmode moves.
10157 (constant_modes): Add TFmode.
10158 (NR_C_MODES): Set to 8.
10159 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10161 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10162 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10163 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10164 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10165 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10166 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10167 (FPR mode macro): Add TFmode.
10168 (DSF mode macro): New.
10169 (<de>, <dee> mode attributes): Removed.
10170 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10171 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10172 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10173 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10174 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10175 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10176 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10177 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10178 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10179 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10180 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10181 "*negabs<mode>2", "sqrt<mode>2"):
10182 Changed <de> to <xde>. R constraint replaced by <Rf>.
10183 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10185 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10186 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10187 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10189 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10190 "extenddftf2", "extendsftf2"): New expanders.
10191 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10192 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10193 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10194 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10196 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10197 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10198 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10199 __floatditf): Add a GCC_4.1.0 symbol version tag.
10200 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10203 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10206 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10207 Use targetm.binds_local_p instead of TREE_PUBLIC.
10209 2006-02-02 Roger Sayle <roger@eyesopen.com>
10211 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10212 on INTEGER_TYPEs to indicate that it denotes a character type.
10213 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10214 signed_char_type_node, unsigned_char_type_node and char_type_node.
10215 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10216 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10217 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10219 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10220 Daniel Berlin <dberlin@dberlin.org>
10222 * tree-tailcall.c (arg_needs_copy_p): New function.
10223 (eliminate_tail_call): Use arg_needs_copy_p.
10224 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10225 (add_virtual_phis): New function.
10227 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10229 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10230 #ignore instead of #scratch for %g7 .register directive.
10232 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10234 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10237 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10239 * flow.c (calculate_global_regs_live): Assert that there aren't any
10242 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10244 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10245 what its name says.
10246 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10247 bsi_after_labels iterator.
10248 * tree-if-conv.c (find_phi_replacement_condition,
10249 replace_phi_with_cond_modify_expr): Likewise.
10250 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10251 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10253 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10255 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10257 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10260 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10261 array after growing it.
10263 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10265 PR middle-end/24901
10266 * fold-const.c (fold_checksum_tree): Change type of buf.
10268 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10270 * reload.c (push_secondary_reload): Initialize t_icode.
10272 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10274 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10275 -msoft-float -mlong-double-128 only issue a warning, but don't
10276 swich to DFmode long double.
10278 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10280 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10281 has a constant equivalent, iterate over equivalents for arg0,
10282 calling simplify_relational_operation and if there's a result
10283 cheaper than X, apply fold_rtx and return the result.
10285 2006-02-01 Jan Hubicka <jh@suse.cz>
10287 * opts.c (no_unit_at_a_time_default): New global variable.
10288 (decode_options): Use it.
10289 * opts.h (no_unit_at_a_time_default): Declare.
10291 2006-02-01 Paul Brook <paul@codesourcery.com>
10293 * function.c (assign_parm_setup_reg): Use function argument promotion
10295 * expr.c (expand_expr_real_1): Use function argument promotion rules
10298 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10300 * gcc.c (process_command): Change j to 'unsigned int'.
10302 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10304 PR middle-end/26001
10305 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10306 Use the corrected index for the character
10307 out of the string constant.
10309 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10311 * mode-switching.c (optimize_mode_switching): Fix size
10312 allocated for bb_info[n_entities].
10314 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10316 * gcc.c (main): Correct type that is allocated for
10317 explicit_link_files.
10319 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10321 * config/s390/s390.c (init_alignment_context): Set
10322 ALIAS_SET_MEMORY_BARRIER on the MEM.
10323 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10325 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10327 PR middle-end/25933
10328 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10330 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10333 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10335 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10336 * regrename.c: Ditto.
10337 * tree-ssa-loop-im.c: Ditto.
10338 * tree-dump.c: Ditto.
10339 * tree-complex.c: Ditto.
10340 * genrecog.c: Ditto.
10341 * tree-ssa-threadupdate.c: Ditto.
10343 * java/class.c: Ditto.
10344 * java/jcf-parse.c: Ditto.
10345 * java/resource.c: Ditto.
10346 * java/except.c: Ditto.
10347 * java/jvspec.c: Ditto.
10348 * java/jcf-write.c: Ditto.
10349 * java/jcf-path.c: Ditto.
10350 * java/gjavah.c: Ditto.
10351 * java/zextract.c: Ditto.
10352 * java/jcf-io.c: Ditto.
10353 * java/jcf.h: Ditto.
10354 * java/buffer.c: Ditto.
10355 * java/lang.c: Ditto.
10356 * java/parse-scan.y: Ditto.
10357 * java/lex.c: Ditto.
10358 * java/lex.h: Ditto.
10359 * cfgloopmanip.c: Ditto.
10360 * postreload-gcse.c: Ditto.
10361 * tree-ssa-loop-manip.c: Ditto.
10362 * postreload.c: Ditto.
10363 * tree-ssa-loop-ch.c: Ditto.
10366 * cppspec.c: Ditto.
10367 * diagnostic.c: Ditto.
10369 * genoutput.c: Ditto.
10371 * cfghooks.c: Ditto.
10372 * cfgloopanal.c: Ditto.
10373 * objc/objc-act.c: Ditto.
10375 * genextract.c: Ditto.
10376 * genautomata.c: Ditto.
10377 * pretty-print.c: Ditto.
10378 * genemit.c: Ditto.
10379 * cgraphunit.c: Ditto.
10381 * df-scan.c: Ditto.
10382 * haifa-sched.c: Ditto.
10383 * dominance.c: Ditto.
10385 * tree-ssa-loop-ivopts.c: Ditto.
10386 * df-core.c: Ditto.
10387 * mode-switching.c: Ditto.
10388 * modulo-sched.c: Ditto.
10390 * ipa-pure-const.c: Ditto.
10392 * fix-header.c: Ditto.
10394 * tree-stdarg.c: Ditto.
10395 * ipa-utils.c: Ditto.
10396 * loop-init.c: Ditto.
10397 * ipa-inline.c: Ditto.
10398 * cfganal.c: Ditto.
10400 * alloc-pool.c: Ditto.
10401 * dwarf2out.c: Ditto.
10403 * genattrtab.c: Ditto.
10404 * tree-ssa-loop-ivcanon.c: Ditto.
10405 * predict.c: Ditto.
10406 * timevar.c: Ditto.
10408 * fortran/gfortranspec.c: Ditto.
10409 * regmove.c: Ditto.
10410 * local-alloc.c: Ditto.
10411 * langhooks.c: Ditto.
10412 * function.c: Ditto.
10413 * tree-vectorizer.c: Ditto.
10415 * ipa-type-escape.c: Ditto.
10417 * tree-if-conv.c: Ditto.
10418 * profile.c: Ditto.
10420 * tree-data-ref.c: Ditto.
10421 * loop-unroll.c: Ditto.
10422 * treelang/treetree.c: Ditto.
10424 * bt-load.c: Ditto.
10425 * ggc-common.c: Ditto.
10427 * coverage.c: Ditto.
10429 * tree-cfgcleanup.c: Ditto.
10430 * tree-ssa-pre.c: Ditto.
10431 * cfgcleanup.c: Ditto.
10432 * loop-invariant.c: Ditto.
10433 * loop-iv.c: Ditto.
10434 * ipa-prop.c: Ditto.
10435 * print-tree.c: Ditto.
10436 * conflict.c: Ditto.
10437 * ggc-page.c: Ditto.
10438 * sched-deps.c: Ditto.
10439 * regclass.c: Ditto.
10440 * tree-object-size.c: Ditto.
10441 * combine.c: Ditto.
10442 * bb-reorder.c: Ditto.
10443 * resource.c: Ditto.
10444 * var-tracking.c: Ditto.
10445 * cfgloop.c: Ditto.
10446 * df-problems.c: Ditto.
10447 * reg-stack.c: Ditto.
10449 * gccspec.c: Ditto.
10450 * sched-rgn.c: Ditto.
10451 * tree-ssa-structalias.c: Ditto.
10452 * tree-ssa-reassoc.c: Ditto.
10453 * config/darwin-c.c: Ditto.
10454 * config/darwin.c: Ditto.
10455 * config/arm/arm.c: Ditto.
10457 * collect2.c: Ditto.
10458 * reload1.c: Ditto.
10460 2006-01-31 Nicolas Pitre <nico@cam.org>
10462 * arm.md (smaxsi3): Make aware of smax_m1.
10465 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10467 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10469 2006-01-31 Richard Guenther <rguenther@suse.de>
10471 * doc/invoke.texi (-msselibm): Document.
10472 * target.h (expand_library_builtin): New target hook.
10473 * builtins.c (expand_builtin): Use expand_library_builtin.
10474 (default_expand_library_builtin): New function.
10475 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10476 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10477 (link_gcc_math_spec): Declare.
10478 (static_specs): Add link_gcc_math_spec.
10479 * expr.h (default_expand_library_builtin): Declare.
10480 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10481 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10482 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10483 * config/i386/i386.opt (msselibm): New target option.
10484 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10485 (ix86_init_sse_abi_builtins): New function.
10486 (ix86_expand_library_builtin): Likewise.
10487 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10488 (override_options): Handle error conditions wrt -msselibm.
10489 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10490 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10491 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10494 2006-01-31 Richard Guenther <rguenther@suse.de>
10495 Paolo Bonzini <bonzini@gnu.org>
10497 * doc/install.texi (--disable-libgcc-math): Document.
10499 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10501 * expr.h (expand_normal): new inline function.
10502 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10503 * dojump.c: use it.
10504 * dwarf2out.c: use it.
10507 * expmed.c: use it.
10508 * except.c: use it.
10509 * config/sparc/sparc.c: use it.
10510 * config/i386/i386.c: use it.
10511 * config/rs6000/rs6000.c: use it.
10512 * config/arm/arm.c: use it.
10513 * config/mips/mips.c: use it.
10514 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10516 2006-01-30 Roger Sayle <roger@eyesopen.com>
10518 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10519 argv to the appropriate type.
10521 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10523 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10526 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10529 * config/s390/s390.c (struct machine_function): New flag
10530 decomposed_literal_pool_addresses_ok_p.
10531 (s390_reorg): Set it before final stage of literal pool transforms.
10532 (s390_decompose_address): Only accept displacements of the form
10533 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10535 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10537 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10538 the comparison routine return.
10540 2006-01-30 Michael Matz <matz@suse.de>
10542 * global.c (find_reg): Only evict for global regs.
10543 Take n_refs into account and dump more info.
10545 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10548 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10549 (pragma_trap, pragma_nosave_low_regs): Likewise.
10550 (current_function_anonymous_args): Likewise.
10551 (sh_deferred_function_attributes): New variable.
10552 (sh_deferred_function_attributes_tail): Likewise.
10553 (print_operand): For '@', look up trap_exit attribute.
10554 (calc_live_regs): Look up trapa_handler attribute. For trapa
10555 handlers, save/restore fpscr, but don't do any other
10556 interrupt-specific saves.
10557 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10558 Fix check for partially saved registers to check for SHmedia.
10559 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10560 (sh_output_function_epilogue): Don't clear any of the removed
10562 (sh_insert_attributes): Don't check pragma_interrupt.
10563 Insert deferred attributes. Check that interrupt attribute is
10564 present for other attributes that require its presence.
10565 (sh_attribute_table): Add new attributes trapa_handler and
10567 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10568 Don't check for pragma_interrupt. Don't store argument.
10569 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10570 (sh_deferred_function_attributes): Declare.
10571 (sh_deferred_function_attributes_tail): Likewise.
10572 * sh.md (sp_switch_1): Add operand. Change generator caller.
10573 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10574 (*return_i): Don't use when trap_exit attribute is in effect.
10575 (*return_trapa): New insn pattern.
10576 * sh-c.c: New file.
10577 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10578 setting c_target_objs and cxx_target_objs.
10579 * t-sh: Add rule for sh-c.o.
10581 2006-01-30 Richard Guenther <rguenther@suse.de>
10584 * gimplify.c (gimplify_target_expr): Handle easy cases
10585 without creating a temporary.
10587 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10589 * vec.h (safe_grow): Remove duplicated line.
10591 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10594 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10595 (expand_omp): ... here.
10596 (expand_omp_parallel): Only remove barriers for combined
10597 parallel+workshare constructs.
10599 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10603 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10604 * tree.c (build_qualified_type): Chain the new type to the original
10605 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10606 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10607 (build_pointer_type_for_mode): Only return unqualified types.
10608 (build_reference_type_for_mode): Likewise.
10610 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10612 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10613 * Makefile.in (CXX_COMPAT_WARN): Define.
10614 * configure: Regenerate.
10616 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10619 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10622 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10624 * toplev.c: Fix thinko.
10626 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10627 Marcin Dalecki <martin@dalecki.de>
10629 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10630 (push_srcloc): Use XNEW.
10631 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10633 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10635 * df-core.c (df_set_blocks): Deleted all variable.
10637 2006-01-28 Ian Lance Taylor <ian@airs.com>
10639 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10640 cgraph_output_pending_asms.
10642 2006-01-28 Zack Weinberg <zackw@panix.com>
10644 * c.opt: Add -W(no-)overlength-strings.
10645 * doc/invoke.texi: Document it.
10646 * c-opts.c (c_common_handle_option): -pedantic implies
10647 -Woverlength-strings, if not explicitly disabled already.
10648 (c_common_post_options): -Woverlength-strings defaults to off, and
10649 is always off for C++.
10650 * c-common.c (fix_string_type): Issue warning about strings longer
10651 than is portable only if warn_overlength_strings. Rearrange code
10652 a little for clarity.
10653 * configure.in: Check for -Wno-overlength-strings as well before
10654 enabling -pedantic in stage 1.
10655 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10656 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10658 * genconditions.c (write_header, write_one_condition)
10659 (write_conditions, write_writer): Consolidate very long strings
10660 that were broken up to fit in C89 portable limit. Don't use
10661 printf when fputs will do.
10663 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10665 * combine.c (simplify_comparison <AND>): Check
10666 TRULY_NOOP_TRUNCATION before start using a subreg.
10668 * config/mips/mips.md (*branch_zero<mode>,
10669 *branch_zero<mode>_inverted, *branch_equality<mode>,
10670 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10671 Remove mode check from comparisons.
10673 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10675 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10677 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10679 * expmed.c (const_mult_add_overflow_p): Remove.
10680 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10682 * recog.c (validate_replace_rtx_subexp): Remove.
10683 * recog.h: Remove the prototype for
10684 validate_replace_rtx_subexp.
10686 * integrate.h: Remove the prototype for
10687 copy_decl_for_inlining.
10688 * rtl.h: Remove the prototype for mark_constant_function.
10689 * tree-vectorizer.h: Remove the prototype for
10690 vect_strip_conversion.
10692 * modulo-sched.c (create_partial_schedule,
10693 free_partial_schedule, reset_partial_schedule): Make them
10696 * hooks.c (hook_bool_rtx_int_false): Remove.
10697 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10699 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10701 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10702 and -mlong-double-128 are incompatible.
10703 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10704 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10705 (TARGET_LIBGCC2_CFLAGS): Define.
10706 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10707 (TARGET_LIBGCC2_CFLAGS): Same.
10708 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10710 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10713 * c-typeck.c (build_binary_op): Perform implicit casts of
10714 operands before shortening them.
10716 * cfgloopmanip.c (split_loop_bb): Remove.
10717 * cfgloop.h: Remove the prototype for split_loop_bb.
10719 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10720 * cfgloop.h: Remove the prototype for
10721 flow_loop_outside_edge_p.
10723 * emit-rtl.c (init_virtual_regs): Make it static.
10724 * function.h: Remove the prototype for init_virtual_regs.
10726 * recog.c (peephole2_optimize): Make it static.
10727 * recog.h: Remove the prototype for peephole2_optimize.
10729 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10731 * df-scan.c (df_record_entry_block_defs): Check if
10732 INCOMING_RETURN_ADDR_RTX is defined.
10734 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10735 Kenneth Zadeck <zadeck@naturalbridge.com>
10737 PR rtl-optimization/24762
10738 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10739 * targhooks.c (hook_void_bitmap): New hook prototype.
10740 * targhoohs.h (hook_void_bitmap): Ditto.
10741 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10742 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10743 * target.h (live_on_entry): New function pointer.
10744 * df-scan.c (df_all_hard_regs): Removed.
10745 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10746 (df_scan_free_internal): Added df->entry_block_defs.
10747 (df_scan_alloc): Ditto.
10748 (df_scan_dump): Ditto.
10749 (df_uses_record): Plumbed flag field properly thru calls.
10750 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10751 This part fixes PR24762.
10752 (df_bb_refs_record): Added code to make the frame and arg
10753 pointers live in EH blocks.
10754 (df_refs_record): Added call to df_record_entry_block_defs.
10755 (df_record_entry_block_defs): New function.
10756 * df-core.c: Added comments to describe new artifical defs.
10757 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10758 (entry_block_defs): New field in struct df.
10759 (df_all_hard_regs): Deleted.
10760 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10761 * df-problems.c (df_ru_bb_local_compute_process_def):
10762 Added code to handle artifical defs in the entry to a function.
10763 (df_ru_bb_local_compute): Ditto.
10764 (df_rd_bb_local_compute_process_def): Ditto.
10765 (df_rd_bb_local_compute): Ditto.
10766 (df_lr_bb_local_compute): Ditto.
10767 (df_ur_bb_local_compute): Ditto.
10768 (df_urec_bb_local_compute): Ditto.
10769 (df_chain_create_bb): Ditto.
10770 (df_ur_local_finalize): Removed entry.
10771 (df_urec_init): Ditto.
10772 (df_urec_local_finalize): Ditto.
10773 (df_ri_bb_compute): Added detection of last use of pseudos.
10774 * Makefile.in (df-scan.o): Updated dependencies.
10775 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10776 * config/mips/mips.c (mips_set_live_on_entry): Added.
10777 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10779 * dce.c (marked_insn_p): Added code to handle artifical defs.
10781 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10783 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10785 (_mm_cvtsi128_si64): Likewise.
10786 (_mm_cvtsd_si64): Likewise.
10787 (_mm_cvttsd_si64): Likewise.
10788 (_mm_cvtsi64_sd): Likewise.
10789 (_mm_cvtsi64_si128): Likewise.
10790 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10791 (_mm_cvtsi64_m64): Likewise.
10792 (_m_to_int64): Likewise.
10793 (_mm_cvtm64_si64): Likewise.
10794 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10795 (_mm_cvttss_si64): Likewise.
10796 (_mm_cvtsi64_ss): Likewise.
10797 (_mm_cvtss_f32): Likewise.
10799 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10801 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10802 for pragma redefine_extname.
10804 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10807 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10808 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10809 -mno-minimal-toc to previous content.
10810 (bispecs): Remove goal.
10811 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10812 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10813 compatibility aliases on powerpc-*-*gnu*.
10814 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10815 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10816 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10817 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10818 (ldblspecs): New goal.
10819 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10820 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10822 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10823 L_sf_to_tf or L_df_to_tf is defined.
10825 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10826 Alan Modra <amodra@bigpond.net.au>
10829 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10830 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10831 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10832 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10833 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10834 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10835 (rs6000_override_options): Initialize rs6000_ieeequad.
10836 Initialize TFmode format to ibm_extended_format if not
10838 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10840 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10841 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10842 (function_arg_advance): IBM long double passed in two FPRs, not
10844 (function_arg): IBM long double passed in FPRs.
10845 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10846 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10847 Only multireg GPR aligned.
10848 (rs6000_init_libfuncs): Enable IBM long double functions if not
10850 (rs6000_generate_compare): Use IBM long double compare if not
10852 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10853 (TARGET_IEEEQUAD): Define.
10854 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10855 not TARGET_IEEEQUAD.
10856 * config/rs6000/rs6000.md: Enable TFmode patterns if
10858 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10859 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10860 and -mlong-double-128 are incompatible.
10861 * doc/invoke.texi (-mabi): Collect options together. Add
10862 ibmlongdouble and ieeelongdouble.
10864 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10866 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10868 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10869 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10870 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10871 * rtl.h (rtunion_def): Remove rt_ptr.
10873 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10874 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10875 * config/i386/winnt.c (i386_pe_mark_dllexport)
10876 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10878 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10880 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10882 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10886 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10887 pthread_key_delete. From John David Anglin. gthrw-ify
10888 pthread_getunique_np only if it it's not a macro. Delete
10890 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10891 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10892 __gthread_objc_condition_signal, __gthread_key_delete): Add
10893 "__attribute__ ((__unused__))" to unused arguments.
10894 (__gthread_recursive_mutex_init_function): Add missing return.
10895 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10896 gthr-posix95.h: Use macro-based approach for name redirection
10897 on targets missing weakref.
10899 2006-01-26 Zack Weinberg <zackw@panix.com>
10901 * genconditions.c (write_header): In generated code, #ifdef out
10902 all includes and fake declarations, except includes of bconfig.h
10903 and system.h, unless GCC_VERSION >= 3001. Do not include
10904 gensupport.h in any case.
10905 (write_conditions): Generate a definition of struct c_test. Add
10906 a comment to the generated #endif.
10907 (write_one_condition): Escape backslashes in string too.
10908 (write_writer): Generated code must escape backslashes and quote
10909 marks (but not newlines) in the strings it writes.
10910 * Makefile.in (build/gencondmd.o): Update dependencies.
10912 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10915 * Makefile.in (insn-automata.o): Add header file dependencies.
10916 * genautomata.c: Add includes.
10918 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10921 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10923 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10925 * configure.ac: Expect target tools paths to be passed from the toplevel
10926 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10928 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10930 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10933 * c.opt (Wpointer-sign): Init to -1.
10934 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10935 OPT_pedantic, to 0 otherwise.
10936 * doc/invoke.texi: Update.
10938 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10940 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10941 constants provided by 80387 instructions in the destination mode.
10943 2006-01-26 Richard Guenther <rguenther@suse.de>
10944 Andrew Pinski <pinskia@physics.uc.edu>
10947 partial PR tree-opt/17064
10948 * tree-ssa-structalias.c (intra_create_variable_infos):
10949 Create heap variables for incoming parameters if
10950 flag_argument_noalias > 1.
10951 (find_what_p_points_to): Look through default defs of
10954 2006-01-26 Jeff Law <law@redhat.com>
10957 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10958 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10959 within the VR_RANGE, use the VR_RANGE as the result, not the
10961 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10962 bounds for the type.
10964 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10966 * tree-ssa-alias.c (maybe_create_global_var): Change
10967 subvar walking to an assertion that we don't have subvar'd variables.
10969 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10972 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10973 Use a new variable, inner. PARM_DECLs are always non-weak.
10975 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10977 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10978 --disable-checking.
10980 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10982 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10984 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10986 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10987 (smax_insn, smin_insn, smax_0, smin_0): New.
10989 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10992 * config/cris/cris.c (cris_order_for_addsi3): New function.
10993 * config/cris/cris-protos.h: Prototype it.
10994 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10995 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10996 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10997 (split for "op.S1 [rx=rx+i],ry (swapped)")
10998 (split for "op(s|u).S1 [rx=rx+i],ry")
10999 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11000 Apply cris_order_for_addsi3 when generating addsi3 insns.
11002 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11004 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11005 (TREE_BLOCK): Add call to EXPR_CHECK.
11007 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11010 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11011 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11012 (dump_omp_clauses): ... here.
11013 (dump_generic_node): Handle OMP_CLAUSE.
11014 * tree.c (omp_clause_num_ops): New.
11015 (omp_clause_code_name): New.
11016 (tree_code_size): Handle OMP_CLAUSE.
11017 (tree_size): Likewise.
11018 (make_node): Document handling of OMP_CLAUSE.
11019 (tree_node_structure): Handle OMP_CLAUSE.
11020 (omp_clause_check_failed): New.
11021 (omp_clause_range_check_failed): New.
11022 (omp_clause_operand_check_failed): New.
11023 (build_omp_clause): New.
11024 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11025 * tree.h (enum omp_clause_code): Declare.
11026 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11027 (OMP_CLAUSE_RANGE_CHECK): Define.
11028 (OMP_CLAUSE_ELT_CHECK): Define.
11029 (omp_clause_check_failed): Declare.
11030 (omp_clause_operand_check_failed): Declare.
11031 (omp_clause_range_check_failed): Declare.
11032 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11033 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11034 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11035 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11036 (OMP_CLAUSE_IF_EXPR): Likewise.
11037 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11038 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11039 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11040 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11041 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11042 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11043 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11044 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11045 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11046 (OMP_CLAUSE_CODE): Define.
11047 (OMP_CLAUSE_SET_CODE): Define.
11048 (OMP_CLAUSE_CODE): Define.
11049 (OMP_CLAUSE_OPERAND): Define.
11050 (struct tree_omp_clause): Declare.
11051 (union tree_node): Add field 'omp_clause'.
11052 * treestruct.def (TS_OMP_CLAUSE): Define.
11053 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11054 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11055 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11056 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11057 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11058 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11059 (OMP_CLAUSE): Define.
11060 * print-tree.c (print_node): Handle OMP_CLAUSE.
11061 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11062 * c-typeck.c: Likewise.
11063 * gimplify.c: Likewise.
11064 * c-omp.c: Likewise.
11065 * tree-nested.c: Likewise.
11066 * tree-inline.c: Likewise.
11067 * c-parser.c: Likewise.
11068 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11071 2006-01-25 Roger Sayle <roger@eyesopen.com>
11073 PR rtl-optimization/25703
11074 * combine.c (try_combine): Handle zero_extract and strict_low_part
11075 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11077 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11079 * global.c: Fix comment typos.
11081 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11084 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11085 Use output_addr_const instead of assemble_name.
11087 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11089 * Makefile.in (sched-vis.o): Update dependencies.
11090 * haifa-sched.c (sched_finish): Clear current_sched_info.
11091 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11092 (dump_flow_info): Call it.
11093 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11095 * basic-block.h (dump_bb_info): Declare.
11096 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11097 option, and apply options only for dump files whose TDF_RTL,
11098 TDF_TREE, or TDF_IPA bits match.
11099 * rtl.h: Declare new functions exported from sched-vis.c.
11100 * sched-vis.c: Enable also if scheduling is not used.
11101 (print_value): Print the mode of registers if not inside scheduling.
11102 (print_insn): Make it work outside the scheduler. Beautify the output
11104 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11106 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11108 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11109 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11110 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11111 depending on the value of CONSTANT_POOL_ADDRESS_P.
11112 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11114 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11115 rather than SYMBOL_REF_DECL.
11116 (rtx_constant_pool): Remove const_rtx_sym_htab.
11117 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11118 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11119 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11120 Remove handling of const_rtx_sym_htab.
11121 (find_pool_constant): Delete.
11122 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11123 rather than find_pool_constant.
11124 (get_pool_constant_for_function): Delete.
11125 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11126 find_pool_constant.
11127 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11128 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11129 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11130 (SYMBOL_REF_CONSTANT): New macro.
11131 (get_pool_constant_for_function): Delete.
11132 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11133 rather than SYMBOL_REF_DECL.
11134 (i386_pe_mark_dllimport): Likewise.
11135 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11136 rather than SYMBOL_REF_DECL.
11137 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11138 (machopic_indirect_call_target): Likewise.
11140 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11142 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11144 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11146 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11148 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11150 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11152 2006-01-24 David Daney <ddaney@avtrex.com>
11155 * configure.ac (enable_tls): New enable option.
11156 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11157 * configure: Regenerate.
11158 * doc/install.texi (--enable-tls): Document new option.
11159 (--disable-tls): Ditto.
11161 2006-01-24 Richard Henderson <rth@redehat.com>
11163 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11164 * alias.c (true_dependence): Respect it.
11165 (canon_true_dependence, write_dependence_p): Likewise.
11166 * builtins.c (get_builtin_sync_mem): Set it.
11168 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11170 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11173 2006-01-24 DJ Delorie <dj@redhat.com>
11175 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11176 for storing constants in single-bit bitfields.
11178 2006-01-25 Ben Elliston <bje@au.ibm.com>
11180 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11182 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11185 * tree-ssa-pre.c (phi_translate): Return NULL
11186 for AGGREGATE_TYPE's.
11188 2006-01-24 Zack Weinberg <zackw@panix.com>
11190 * genautomata.c (process_state_for_insn_equiv_partition):
11191 Use xcalloc for insn_arcs_array.
11192 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11193 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11195 2006-01-24 Richard Henderson <rth@redhat.com>
11197 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11198 update all callers.
11200 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11202 PR rtl-optimization/25890
11203 PR rtl-optimization/25905
11204 * combine.c (expand_compound_operation, expand_field_assignment):
11205 Fail if the bitfield's final position is out of bounds.
11207 2006-01-24 Ian Lance Taylor <ian@airs.com>
11209 PR middle-end/25930
11210 * cgraphunit.c (cgraph_output_in_order): Don't clear
11211 cgraph_asm_nodes until after asm strings have been output.
11213 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11215 * fix-header.c (read_scan_file): Add new parameter imultilib when
11216 calling register_include_chains.
11218 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11220 * omp-low.c: Update documentation.
11222 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11223 Daniel Berlin <dberlin@dberlin.org>
11227 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11228 return from the function.
11230 2006-01-22 Zack Weinberg <zackw@panix.com>
11232 * rtl.def (match_code): Add second argument.
11233 * genpreds.c (write_extract_subexp): New function.
11234 (write_match_code): Add path argument. Use write_extract_subexp.
11235 (write_predicate_expr): Pass path to write_match_code.
11236 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11237 not perform a mode test.
11238 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11239 a subexpression does not constrain the top-level code set.
11240 * read-rtl.c (read_rtx_variadic): New function.
11241 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11242 * doc/md.texi: Document new notation.
11243 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11244 (cmpsi_operand): ... here, using new notation.
11246 2006-01-22 Zack Weinberg <zackw@panix.com>
11248 * varray.c: Remove GENERATOR_FILE #ifdefs.
11250 2006-01-22 Zack Weinberg <zackw@panix.com>
11252 * genautomata.c (output_reserved_units_table): Emit nothing if
11253 description->query_units_num is zero. Remove extra blank line.
11254 (output_cpu_unit_reservation_p): Short circuit
11255 if description->query_units_num is zero.
11257 2006-01-22 Zack Weinberg <zackw@panix.com>
11259 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11260 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11261 nor any of the random handful of variables that used to be necessary
11262 when this program was linked with rtlanal.o. Prune set of forward
11263 function declarations.
11264 (struct attr_desc): Remove static_p field.
11265 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11266 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11267 (attr_string): Do not read the character one past the length of
11269 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11270 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11271 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11272 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11273 (make_automaton_attrs): New.
11274 (main): Do not call into genautomata. Call local gen_bypass
11275 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11276 Remove special case for insn_alts.
11277 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11278 varray.h (leftover from previous change). Prune set of forward
11279 function declarations. Remove state_alts fields from all
11280 structures. Remove state_alts_table from struct automaton.
11281 Make everything except main static. Do not maintain num_dfa_decls.
11282 Do not maintain state_alts fields of various structures.
11283 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11284 (add_arc): Remove state_alts argument. All callers updated.
11285 (output_reserved_units_table): Emit #ifdef here...
11286 (output_tables): ...not here. Don't generate state_alts tables.
11287 (expand_automata): Don't generate attributes.
11288 (write_automata): Don't generate state_alts functions.
11289 (main): New function.
11290 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11291 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11292 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11293 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11294 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11295 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11296 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11297 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11299 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11300 * genattrtab.h: Delete file.
11301 * Makefile.in (OBJS-common): Add insn-automata.o.
11302 (insn-automata.o): New rule.
11303 (simple_generated_c): Add insn-automata.c.
11304 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11305 (genprogmd): Add automata.
11306 (build/genattrtab): Needs no extra objects nor libraries.
11307 (build/genautomata): Needs build/vec.o and -lm.
11309 2006-01-22 Zack Weinberg <zackw@panix.com>
11311 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11312 (output_dfa_max_issue_rate, locked_states_num): Delete.
11313 (struct automaton): Add locked_states field.
11314 (output_dead_lock_vect): Save number of locked states in
11315 automaton->locked_states. If it is zero, don't print anything.
11316 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11317 (output_internal_dead_lock_func): Only test the dead_lock_vect
11318 for automata that have locked states.
11319 (output_statistics): Always print the number of locked states for
11320 each automaton. Calculate total number of locked states here.
11321 (write_automata): Don't call output_dfa_max_issue_rate.
11322 * genattrtab.c: Define length_unit_log as a const variable.
11323 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11324 max_insn_queue_index const.
11325 * final.c (length_unit_log): Declare const.
11326 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11328 2006-01-22 Zack Weinberg <zackw@panix.com>
11330 * genautomata.c: Include vec.h, not varray.h.
11331 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11332 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11333 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11334 VEC_* macros operating on appropriately typed vectors, or to
11335 malloced arrays when the size is known in advance. Const-ify
11336 many char* variables and function arguments. No functional changes.
11337 * Makefile.in (build/varray.o): Delete rule.
11338 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11339 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11341 2006-01-22 Zack Weinberg <zackw@panix.com>
11343 * gensupport.c: Define get_insn_name and record_insn_name here.
11344 (read_md_rtx): Call record_insn_name as appropriate.
11345 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11346 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11347 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11349 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11350 (BUILD_VARRAY): Delete.
11351 (genprognormal): Rename genprogmd. Fold in all programs from
11352 genprognoprint; also attrtab.
11353 (build/genattrtab): Just mention genautomata.o and varray.o.
11354 Reorganize a bit, add comments to make the categories clearer.
11356 2006-01-22 Zack Weinberg <zackw@panix.com>
11358 * genconditions.c (condition_table, add_condition): Delete.
11359 (write_conditions): Don't emit n_insn_conditions nor
11360 insn_elision_unavailable. Issue the gcc version #ifdef here,
11361 inside the table, with no #else clause ...
11362 (write_header): ...not here.
11363 (write_writer): New function.
11364 (main): Don't initialize condition_table. Use add_c_test.
11366 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11367 files on the command line.
11368 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11369 Return -1 if there is no entry in the table, don't abort.
11370 (add_c_test, traverse_c_tests): New functions.
11371 * gensupport.h (insn_elision_unavailable, insn_conditions)
11372 (n_insn_conditions): Delete declarations.
11373 (add_c_test, traverse_c_tests): Declare.
11374 * read-rtl.c: Include gensupport.h.
11375 (read_conditions): New function.
11376 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11377 (read_rtx_1): If we get EOF when we were looking for an initial
11378 open paren, return 0. Call read_conditions when appropriate.
11379 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11380 dummy-conditions.o. Eliminate references to insn-conditions.o,
11381 or change them to build/gencondmd.o, as appropriate. Remove
11382 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11383 from $(simple_generated_c). For all files remaining in those
11384 two lists, add insn-conditions.md to the generator command line.
11385 Give insn-constants.h/s-constants their own rules. Add rules
11386 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11387 (build/read-rtl.o): Depend on gensupport.h.
11388 (genprognormal): Include preds.
11389 (genprogearly): Rename genprognoprint; only difference is now that
11390 they don't link with $(BUILD_PRINT).
11391 * dummy-conditions.c: Delete.
11393 2006-01-22 Zack Weinberg <zackw@panix.com>
11395 * genextract.c: Don't include insn-config.h. Do include vec.h.
11396 Declare vectors of int, char, and locstr.
11397 (locstr): New typedef.
11398 (struct extraction): Make all array fields into bare pointers.
11399 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11400 (insn_code_number): Delete.
11401 (accum_extract): New struct.
11402 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11403 (gen_insn): Take insn_code_number as an argument. Use an
11404 accum_extract structure instead of loading data directly into
11405 a struct extraction, and having to know how big it might get.
11406 (walk_rtx): Operate entirely on an accum_extract structure.
11407 (print_path): Avoid unnecessary use of printf.
11408 (print_header): New function, split out of main. Distinguish
11409 more carefully between an unrecognizable insn and an insn that
11410 has the code number of a define_expand.
11411 (main): Pass insn_code_number to gen_insn. Call print_header
11412 only after parsing. Avoid unnecessary use of printf.
11413 * Makefile.in (build/vec.o): New rule.
11414 (build/genextract): Depend on build/vec.o.
11415 (build/genextract.o): Don't depend on insn-config.h.
11417 2006-01-22 Zack Weinberg <zackw@panix.com>
11419 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11420 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11421 practical. Eliminate per-generator-program link rules.
11423 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11425 PR middle-end/24437
11426 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11427 with a call expr to ...
11428 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11430 2006-01-23 Richard Guenther <rguenther@suse.de>
11432 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11433 before make_edge with conditional EDGE_TRUE_VALUE.
11435 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11436 Jan Hubicka <jh@suse.cz>
11437 Richard Guenther <rguenther@suse.de>
11439 PR rtl-optimization/25654
11440 * cfgexpand.c (aggregate_contains_union_type): New function.
11441 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11442 for structure variables that contain a union type.
11444 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11446 * gengtype.c (new_structure): Return the structure.
11447 (create_option): Add an extra "next" argument.
11448 (create_field): New function.
11449 (adjust_field_rtx_def): Use create_option and create_field.
11450 Remove a now-unnecessary call to find_structure.
11451 (adjust_field_tree_def): Likewise.
11452 (note_yacc_type): Remove an unnecessary call to find_structure.
11453 * gengtype.h (new_structure): Return the structure.
11454 (create_option): Add an extra argument.
11455 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11456 (option): Adjust calls to create_option.
11458 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11460 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11462 2006-01-22 Paul Brook <paul@codesourcery.com>
11463 Peter Barada <peter@the-baradas.com>
11465 * config/m68k/m68k.md: Add Coldfire FPU support.
11466 Define FP mode macro and associated attributes.
11467 Use it for float mode patterns.
11468 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11469 (LIBCALL_VALUE): Use m68k_libcall_value.
11470 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11471 (m68k_function_value): Ditto.
11472 (emit_move_sequence): Ditto.
11473 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11474 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11475 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11476 (MULTILIB_EXCEPTIONS): Ditto.
11477 * config/m68k/m68k.opt: Add mcfv4e.
11478 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11479 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11480 (m68k_output_function_prologue): Save ColdFire FPU registers.
11481 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11482 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11483 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11484 ColdFire FPU registers.
11485 (m68k_libcall_value, m68k_function_value): New functions.
11486 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11487 (LIBCALL_VALUE): Use m68k_libcall_value.
11488 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11489 (MASK_COLDFIRE): Add MASK_CFV4E.
11490 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11491 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11492 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11493 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11494 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11495 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11496 * doc/invoke.tex: Document -mcfv4e on m68k.
11498 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11500 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11503 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11506 * c-opts.c (c_common_handle_option): Don't include
11507 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11508 * doc/invoke.texi (C++ Dialect Options): Document that
11509 -Wnon-virtual-dtor is no longer included in -Wall.
11511 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11513 * gcov.c (print_version), gcov-dump.c (print_version),
11514 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11517 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11519 * df-scan.c (problem_SCAN): Added NULL reset function.
11520 (df_scan_reset_blocks): Added code to call reset block function
11521 (df_bb_refs_delete) Fixed comment.
11522 (df_insn_refs_delete): Made tolerant of deleting non existent info
11523 for dataflow problems that need to be reset.
11524 * df-core.c (df_set_blocks): Ditto.
11525 * df.h (struct df_problem): Added reset_fun.
11526 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11527 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11528 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11529 functions to clear out all references to def-use or use-def chains.
11531 2006-01-21 Ben Elliston <bje@au.ibm.com>
11533 * varasm.c (assemble_real): Initialise data array.
11535 2006-01-20 Paul Brook <paul@codesourcery.com>
11537 Merge from csl-arm-branch.
11538 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11539 * config/arm/arm.md (movdi): Force operands[1] to a register
11540 if we have a non-register source.
11541 (*arm_movdi, *movdf_soft_insn): Require that one of the
11542 operands be a register.
11543 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11544 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11546 2006-01-20 DJ Delorie <dj@redhat.com>
11548 * varasm.c (initializer_constant_valid_p): Allow pointers
11549 initialized from integer constants of lesser precision.
11550 (output_constant): Allow non-int-sized pointer modes to be
11551 initialized from integer constants.
11553 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11556 * cppdefault.h (struct default_include): Add multilib flag.
11557 * cppdefault.c (cpp_include_defaults): Set it.
11558 * c.opt (-imultilib): New option.
11559 * c-opts.c (imultilib): New.
11560 (c_common_handle_option): Handle -imultilib.
11561 (c_common_post_options): Likewise.
11562 * c-incpath.c (add_standard_paths, register_include_chains):
11564 * c-incpath.h (register_include_chains): Add extra parameter.
11565 * gcc.c (do_spec_1): Generate -imultilib option.
11566 (The Specs Language): Update %I description.
11567 (process_command): Update copyright notice.
11568 * doc/cppopts.texi (-imultilib): Document.
11569 * doc/invoke.texi (-imultilib): Include in option summary.
11570 (%I): Update specs documentation.
11572 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11574 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11576 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11578 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11581 2006-01-20 Richard Guenther <rguenther@suse.de>
11582 Steven Bosscher <stevenb.gcc@gmail.com>
11584 PR rtl-optimization/24626
11585 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11586 EDGE_TRUE_VALUE if in RTL mode.
11589 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11590 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11592 2006-01-20 Dirk Mueller <dmueller@suse.com>
11595 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11596 instead of a special NOP marker.
11597 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11598 NOP marker handling.
11599 * c-common.h (empty_body_warning): Add forward declaration.
11600 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11601 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11603 2006-01-20 Paul Brook <paul@codesourcery.com>
11605 * Makefile.in (lang_checks): Keep going if mkdir fails.
11607 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11609 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11610 be able to clean out basic block when not necessary.
11611 (df_scan_free): Fixed to properly delete information if df is
11612 unused before calling df_finish.
11613 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11614 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11616 (df_bb_refs_delete): New function.
11617 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11618 * df-core.c (df_set_blocks): Added code to properly clean out
11619 unused blocks if they are not part of the blocks to consider.
11620 Added additional null check.
11621 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11622 be able to clean out basic block when not necessary
11623 * df.h (df_free_bb_function): Ditto.
11624 (df_bb_refs_delete): New function.
11625 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11626 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11627 basic block parameter to be able to clean out basic block when not
11629 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11630 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11631 Fixed to properly delete information if df is unused before
11634 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11636 PR rtl-optimization/25799
11637 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11638 Corrected confluence operator to remove bits from op2 before oring
11639 with op1 rather than removing bits from op1.
11640 (df_ru_transfer_function): Corrected test on wrong bitmap which
11641 caused infinite loop. Both of these problems were introduced in
11642 the dataflow rewrite.
11644 2006-01-19 DJ Delorie <dj@redhat.com>
11646 * reload1.c (find_reload_regs): Note the details of reload
11647 failures in the dump file.
11648 (spill_failure): Likewise.
11650 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11652 * loop-iv.c: Include df.h and hashtab.h.
11653 (enum iv_grd_result): New enum.
11654 (DF_REF_IV, DF_REF_IV_SET): New macros.
11655 (struct biv_entry): New.
11656 (df, bivs): New global variables.
11657 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11658 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11660 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11661 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11662 analyzed_for_bivness_p, record_biv): New functions.
11663 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11664 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11665 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11667 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11669 (iv_number_of_iterations): Use new interface to iv analysis.
11670 * loop-unroll.c: Do not include varray.h.
11671 (analyze_iv_to_split_insn): Use new interface to iv
11673 * loop-unswitch.c (may_unswitch_on): Ditto.
11674 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11676 (df_bb_modify): Realloc tables to the new index.
11677 (df_find_use): New function.
11678 * df.h (df_find_use): Declare.
11679 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11681 * cfgloop.h (struct rtx_iv): Remove analysed field.
11682 (iv_get_reaching_def): Removed.
11683 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11684 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11685 (loop-iv.o): Add df.h and hashtab.h dependency.
11686 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11688 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11691 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11693 (__floatundisf, __floatundidf): Likewise.
11694 * libgcc2.h (IS_IBM_EXTENDED): Define.
11696 2006-01-19 DJ Delorie <dj@redhat.com>
11698 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11700 2006-01-19 Paul Brook <paul@codesourcery.com>
11702 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11703 as nothrow when unwinding tables are disabled.
11705 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11708 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11709 of bit-field" when in system header.
11711 2006-01-19 DJ Delorie <dj@redhat.com>
11713 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11714 the 16 bit shift limit of the m16c.
11716 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11719 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11720 * config/i386/i386.c (output_set_got): Output the label if we have one
11721 for the TARGET_DEEP_BRANCH_PREDICTION case.
11723 2006-01-19 Jan Hubicka <jh@suse.cz>
11724 H.J. Lu <hongjiu.lu@intel.com>
11725 Evandro Menezes <evandro.menezes@amd.com>
11727 * invoke.texi (generic): Document
11729 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11730 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11731 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11732 (x86_use_incdec, x86_pad_returns): New variables
11733 (TARGET_CPU_DEFAULT_generic): New constant
11734 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11735 (enum processor_type): Add generic32 and generic64.
11736 * i386.md (cpu attribute): Add generic32/generic64
11737 (movhi splitter): Behave sanely when both partial_reg_dependency and
11738 partial_reg_stall are set.
11739 (K8 splitters): Enable for generic as well.
11740 * predicates.md (incdec_operand): Use TARGET_INCDEC
11741 (aligned_operand): Avoid memory mismatch stalls.
11742 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11743 * ppro.md: Enable for generic32
11744 * i386.c (generic64_cost, generic32_cost): New.
11745 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11746 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11747 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11748 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11749 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11750 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11751 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11752 x86_accumulate_outgoing_args, x86_prologue_using_move,
11753 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11754 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11755 Enable for generic.
11756 (x86_use_incdec, x86_pad_returns): New.
11757 (override_options): Add generic32 and generic64, translate "generic"
11758 to generic32/generic64 and "i686" to "generic32", refuse
11759 "generic32"/"generic64" as arch target.
11760 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11761 (ix86_reorg): Honor PAD_RETURNS.
11763 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11765 * tree-pretty-print.c (dump_generic_node): Handle
11766 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11767 * cgraph.c (cgraph_expand_queue): Rename from
11768 cgraph_analyze_queue. Update all users.
11769 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11770 cgraph_expand_queue.
11771 (cgraph_expand_all_functions): Likewise.
11772 (cgraph_finalize_pending_functions): Remove. Update callers.
11774 * tree.h (OMP_DIRECTIVE_P): Define.
11775 (OMP_PARALLEL_FN): Define.
11776 (OMP_PARALLEL_DATA_ARG): Define.
11777 (OMP_SECTIONS_SECTIONS): Define.
11778 * tree-pass.h (pass_expand_omp): Declare.
11779 * omp-low.c (struct omp_region): Declare.
11780 (struct omp_context): Remove fields 'parallel_type',
11781 'parallel_start_ix' and 'parallel_start_additional_args'.
11783 (struct omp_for_data): Rename from struct expand_omp_for_data.
11784 (omp_regions): New static variable.
11785 (root_omp_region): New static variable.
11786 (find_omp_clause): Make static.
11787 (is_in_combined_parallel_ctx): Remove.
11788 (is_combined_parallel): New.
11789 (extract_omp_for_data): Move earlier in the file.
11790 (workshare_safe_to_combine_p): New.
11791 (get_ws_args_for): New.
11792 (determine_parallel_type): Move earlier in the file.
11793 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11795 (omp_copy_decl): Likewise.
11796 (create_omp_child_function): Likewise.
11797 (lookup_omp_region): New.
11798 (dump_omp_region): New.
11799 (debug_omp_region): New.
11800 (debug_all_omp_regions): New.
11801 (new_omp_region): New.
11802 (scan_omp_parallel): If parallel_nesting_level > 1, the
11803 directive is nested within another parallel directive.
11804 Set OMP_PARALLEL_FN.
11805 (scan_omp_for): Do not try to handle combined parallel+for
11807 Remove FIXME comment.
11808 (scan_omp_nested): Remove.
11809 (scan_omp_1): Do not call scan_omp_nested when
11810 parallel_nesting_level is > 1.
11811 Do not change the DECL_CONTEXT of local variables found.
11812 (lookup_decl_in_outer_ctx): New.
11813 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11814 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11815 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11816 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11817 If CTX is nested, lookup VAR in the outer context when
11818 building copy assignment.
11819 (lower_send_clauses): Rename from expand_send_clauses.
11820 If CTX is nested, lookup VAR in the outer context when
11821 building copy assignments.
11822 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11823 If CTX is nested, lookup VAR in the outer context when
11824 building copy assignments.
11825 (expand_parallel_call): Rename from build_parallel_call.
11826 Handle combined parallel+workshare cases.
11827 Re-implement to emit code into the CFG.
11829 (expand_omp_parallel): Re-implement to emit code into the CFG.
11830 Call move_sese_region_to_fn to outline the sub-graph
11831 containing the parallel region.
11832 (expand_omp_for_1): Remove.
11833 (expand_omp_for_generic): Re-implement to emit code into the
11835 (expand_omp_for_static_nochunk): Likewise.
11836 (expand_omp_for_static_chunk): Likewise.
11837 (expand_omp_for): Likewise.
11838 (expand_omp_sections): Likewise.
11839 (remove_exit_barriers): New.
11840 (expand_omp_synch): New.
11842 (build_omp_regions_1): New.
11843 (build_omp_regions): New.
11844 (execute_expand_omp): New.
11845 (gate_expand_omp): New.
11846 (pass_expand_omp): Define.
11847 (lower_omp_sections): Rename from expand_omp_sections.
11848 Set OMP_SECTIONS_SECTIONS.
11849 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11850 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11851 (lower_omp_single): Rename from expand_omp_simple.
11852 (lower_omp_master): Rename from expand_omp_master.
11853 (lower_omp_ordered): Rename from expand_omp_ordered.
11854 (lower_omp_critical): Rename from expand_omp_critical.
11855 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11856 (lower_omp_for): Re-implement.
11857 (lower_omp_parallel): Re-implement.
11858 (lower_regimplify): Rename from expand_regimplify.
11859 (lower_omp_1): Rename from expand_omp_1.
11860 If there are syntax errors in the program, replace every
11861 OpenMP directive with NOP.
11862 Call lower_omp_* instead of expand_omp_*.
11863 (lower_omp): Rename from expand_omp.
11865 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11866 * tree-gimple.h (enum omp_parallel_type): Remove.
11867 (gimple_boolify): Declare extern.
11868 (find_omp_clause, determine_parallel_type): Remove.
11870 * gimple-low.c (lower_omp_directive): New.
11871 (lower_stmt): Call it.
11872 (record_vars_into): Move from ...
11873 (record_vars): ... here.
11874 Call record_vars_into with current_function_decl.
11876 * gimplify.c (struct gimplify_ctx): Remove fields
11877 combined_pre_p and combined_ctxp. Update users.
11878 (get_formal_tmp_var): Add documentation.
11879 (gimple_boolify): Make extern.
11880 (gimplify_expr_in_ctx): Remove. Update callers.
11881 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11882 will always be a BIND_EXPR.
11883 (gimplify_expr): Handle OMP_RETURN_EXPR.
11884 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11885 (OMP_PARALLEL): Add 3 operands.
11886 (OMP_SECTIONS): Add 1 operand.
11887 (OMP_RETURN_EXPR): Define.
11889 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11890 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11891 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11892 creating a circular free list.
11893 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11895 * tree-flow.h (move_sese_region_to_fn): Declare.
11896 (record_vars_into): Declare.
11897 * tree-cfg.c (make_omp_sections_edges): New.
11898 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11899 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11900 OMP_SECTIONS and OMP_SECTION.
11901 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11902 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11903 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11904 (gather_blocks_in_sese_region): New.
11905 (struct move_stmt_d): Declare.
11906 (move_stmt_r): New.
11907 (move_block_to_fn): New.
11908 (move_sese_region_to_fn): New.
11910 * passes.c (init_optimization_passes): Schedule
11911 pass_expand_omp after pass_init_datastructures.
11913 * tree-ssa-operands.c (get_expr_operands): Handle
11914 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11915 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11917 2006-01-19 Jeff Law <law@redhat.com>
11919 * tree-vrp.c (extract_range_from_assert): Refine the result range
11920 if the variable referenced by the ASSERT_EXPR has a range and
11921 either the tentative result range or the previous range is a
11924 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11926 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11928 2006-01-19 Jan Hubicka <jh@suse.cz>
11930 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11932 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11934 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11935 (expand_compound_operation, expand_field_assignment): Fail if the
11936 bit lengths of an extract operation are out of range.
11937 (make_extraction): Compute wanted_inner_mode based on the position
11938 and length of the extraction. Make it extraction_mode for non-constant
11939 positions, and do not modify offset in that case. When generating a
11940 new MEM, use a mode that can hold the extraction while keeping correct
11941 alignment. Remove code that supported MEMs wrapped by USEs.
11942 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11944 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11946 * config/s390/s390.md ("Y", "y"): New mode attribute.
11947 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11948 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11949 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11950 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11951 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11952 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11953 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11954 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11955 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11956 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11957 "addsi3", "subsi3"): Insn patterns removed.
11958 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11959 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11960 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11961 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11962 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11963 "*sub<mode>3_cconly2"): New insn patterns.
11964 ("addsi3", "subsi3"): New expanders.
11966 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11968 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11969 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11970 existing STMT_VINFO_VECTYPE if available.
11971 (vect_mark_relevant): Add special handling for stmts that are
11972 marked as STMT_VINFO_IN_PATTERN_P.
11973 (vect_analyze_loop): Call vect_pattern_recog.
11974 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11975 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11977 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11978 (vect_recog_func_ptr): New function-pointer type.
11979 * tree-vect-patterns.c: New file.
11980 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11981 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11982 (vect_pattern_recog_1): New functions.
11983 (vect_pattern_recog_funcs): New array of function pointers.
11985 * tree-vectorizer.h (ternary_op): New enum value.
11986 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11987 declaration. Revised documentation. Removed redundant dump prints.
11988 Removed redundant argument. Added support for reduction patterns.
11989 (vectorizable_reduction): Added support for reduction patterns.
11990 (vect_transform_stmt): Added support for patterns.
11992 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11993 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11994 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11995 (expand_widen_pattern_expr): New function.
11996 (init_optabs): Initialize new optabs udot_prod_optab,
11998 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11999 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12000 (expand_widen_pattern_expr): New function declaration.
12001 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12003 * tree-inline.c (estimate_num_insns_1): Added cases for new
12004 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12005 * tree-pretty-print.c (dump_generic_node): Likewise.
12006 (op_prio): Likewise.
12007 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12008 * tree-ssa-operands.c (get_expr_operands): Added case for
12010 * tree-vect-patterns.c (widened_name_p): New function.
12011 (vect_recog_dot_prod_pattern): Added function implementation.
12012 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12013 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12014 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12015 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12017 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12018 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12019 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12020 (init_optabs): Initialize new optabs widen_ssum_optab,
12022 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12023 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12024 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12025 use instead of type of def.
12026 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12027 function implementation.
12028 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12029 widen_ssumv8hi): New.
12031 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12034 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12037 * c-decl.c (add_flexible_array_elts_to_size): New function.
12038 (finish_decl): Use it.
12040 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12042 * diagnostic.h: Include options.h.
12043 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12044 dependancies for diagnostic.h.
12045 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12047 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12049 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12050 (ssa_ro_call_cache_valid): Ditto.
12051 * tree-ssa-alias.c (sort_tags_by_id): New function.
12052 (init_transitive_clobber_worklist): Ditto.
12053 (add_to_worklist): Ditto.
12054 (mark_aliases_call_clobbered): Ditto.
12055 (compute_tag_properties): Ditto.
12056 (set_initial_properties): Ditto.
12057 (compute_call_clobbered): Ditto.
12058 (compute_may_aliases): Call compute_call_clobbered and grouping.
12059 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12060 (compute_flow_insensitive_aliasing): Grouping now happens in our
12062 (setup_pointers_and_addressables): Remove clobbering related code.
12063 (add_may_alias): Ditto.
12064 (replace_may_alias): Ditto.
12065 (get_nmt_for): Ditto.
12066 (create_global_var):
12067 (is_escape_site): Return an escape_type enumeration.
12068 * tree-flow-inline.h (is_call_clobbered): Global var does not
12069 imply call clobbered.
12070 (mark_call_clobbered): Take a reason for marking this. Remove
12071 marking of globalness, and cache invalidation.
12072 (clear_call_clobbered): Remove cache invalidation code.
12073 * tree-dfa.c (dump_variable): If details is on, dump the reason
12075 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12077 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12078 (struct var_ann_d): Ditto.
12079 (enum escape_type): New.
12080 (mark_call_clobbered): Adjust prototype.
12081 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12082 are never call clobbered.
12083 Record reasons for escaping.
12084 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12085 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12086 (ssa_ro_call_cache_valid): Ditto.
12087 (clobbered_v_may_defs): Ditto.
12088 (clobbered_vuses): Ditto.
12089 (ro_call_vuses): Ditto.
12090 (clobber_stats): New.
12091 (init_ssa_operands): Zero out clobber stats.
12092 (fini_ssa_operands): Print out clobber stats.
12093 (get_call_expr_operands): Pass callee fndecl to
12094 add_call_read_ops).
12095 (add_call_clobber_ops): Remove use of cache.
12096 Add use of PURE_CONST information.
12097 (add_call_read_ops): Remove use of cache.
12098 Add use of static not_read information.
12100 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12102 Introduce TLS descriptors for i386 and x86_64.
12103 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12104 (TARGET_ANY_GNU_TLS): New macro.
12105 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12106 (struct machine_function): Add tls_descriptor_call_expanded_p.
12107 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12108 (ix86_current_function_calls_tls_descriptor): Likewise.
12109 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12110 (override_options): Introduce gnu2 tls dialect.
12111 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12113 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12115 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12116 (ix86_init_machine_status): Initialize new field.
12117 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12118 (ix86_tls_module_base): New.
12119 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12120 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12121 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12122 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12123 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12124 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12125 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12126 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12127 * config/i386/predicates.md (tls_modbase_operand): New.
12128 (tp_or_register_operand): New.
12130 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12132 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12133 (look_for_address_of): Ditto.
12134 (ipa_init): Walk the function decls.
12135 (static_execute): Don't set readonly on FUNCTION_DECL's.
12137 2006-01-18 Roger Sayle <roger@eyesopen.com>
12139 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12140 for shifts where the source and destination registers are different.
12142 2006-01-18 Paul Brook <paul@codesourcery.com>
12144 Merge from csl-arm-branch.
12145 2005-03-14 Julian Brown <julian@codesourcery.com>
12146 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12147 (aeabi_llsl): Likewise.
12148 (ashrdi3): Likewise.
12149 (aeabi_lasr): Likewise.
12150 (lshrdi3): Likewise.
12151 (aeabi_llsr): Likewise.
12152 2005-03-10 Julian Brown <julian@codesourcery.com>
12153 * config.gcc: Disable shared libgcc for SymbianOS.
12154 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12156 2006-01-18 DJ Delorie <dj@redhat.com>
12158 * c-pragma.c (handle_pragma_diagnostic): New.
12159 (init_pragma): Register it.
12160 * doc/extend.texi: Document it.
12162 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12163 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12164 (diagnostic_context): Add classify_diagnostic[].
12165 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12166 as errors if they're overridden to DK_WARNING.
12167 (diagnostic_initialize): Initialize classify_diagnostic[].
12168 (diagnostic_set_kind_override): New.
12169 (diagnostic_report_diagnostic): Check for kind changes.
12170 * opts.c (common_handle_option): Take lang_mask. Update callers.
12171 Handle OPT_Werror_.
12172 * common.opt (Werror=): New.
12173 * doc/invoke.texi: Document -Werror=*
12175 2006-01-18 Jeff Law <law@redhat.com>
12177 * tree-vrp.c (test_for_singularity): Correct test for new
12178 min limit. Use operand_equal_p rather than pointer equality
12179 for testing if new min/max values are equal.
12181 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12182 using range information until after propagation and folding.
12184 2006-01-18 Richard Henderson <rth@redhat.com>
12185 Aldy Hernandez <aldyh@redhat.com>
12186 Jakub Jelinek <jakub@redhat.com>
12187 Diego Novillo <dnovillo@redhat.com>
12189 * omp-low.c: New file.
12190 * c-omp.c: New file.
12192 2006-01-18 Richard Henderson <rth@redhat.com>
12193 Jakub Jelinek <jakub@redhat.com>
12194 Diego Novillo <dnovillo@redhat.com>
12196 * doc/invoke.texi: Document -fopenmp.
12197 * tree-dump.h (debug_function): Declare.
12198 * hooks.c (hook_bool_tree_bool_false): New function.
12199 (hook_tree_tree_null): Remove.
12200 (hook_tree_tree_tree_null): New.
12201 * hooks.h: Update to match.
12202 * tree-pretty-print.c (debug_tree_chain): New.
12203 (print_generic_expr): Handle TDF_CHAIN.
12204 (dump_generic_node): Handle BLOCK.
12205 Do not abort with incomplete SWITCH_EXPRs.
12206 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12207 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12208 print space after directive name.
12209 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12210 Handle OMP_MASTER and OMP_ORDERED.
12211 Handle printing of OMP_BODY just in one place, goto
12212 dump_omp_body in the rest of OMP_* nodes that have
12214 Don't handle clause nodes here. Update omp statements to
12215 use dump_omp_clauses.
12216 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12217 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12218 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12219 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12220 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12221 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12222 Adjust output for GOMP_PARALLEL.
12223 (dump_omp_clauses): New.
12224 (print_declaration): Dump DECL_VALUE_EXPR.
12225 (op_symbol_1): Split out of op_symbol.
12226 (dumping_stmts): Remove. Update all users.
12227 * cgraph.c (cgraph_analyze_queue): New.
12228 (cgraph_add_new_function): New.
12229 * cgraph.h (cgraph_analyze_queue): Declare.
12230 (cgraph_add_new_function): Declare.
12231 (cgraph_lower_function): Remove.
12232 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12233 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12234 and TYPE_P nodes in its default clause.
12235 (empty_body_p): New.
12236 (tree_range_check_failed): New.
12237 (build5_stat): New.
12238 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12239 OMP_CLAUSE_REDUCTION_MERGE,
12240 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12241 OMP_CLAUSE_PRIVATE_DEBUG,
12242 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12243 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12244 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12245 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12246 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12247 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12248 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12249 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12250 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12251 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12252 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12253 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12254 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12255 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12256 (TREE_RANGE_CHECK): New.
12257 (empty_body_p): Declare.
12258 (enum omp_clause_default_kind): New.
12259 (build_string_literal): Declare.
12260 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12261 (build5_stat, build5): Declare.
12262 * tree-pass.h (TDF_CHAIN): Define.
12263 * tree-pass.h (PROP_gimple_lomp): Define.
12264 (pass_lower_omp): Declare.
12265 * diagnostic.h (debug_tree_chain): Declare.
12266 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12268 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12269 * builtins.c (build_string_literal): Make extern.
12270 * gcc.c (include_spec_function): New.
12271 (static_spec_functions): Add it.
12272 (main): Move load of libgomp.spec ...
12273 (LINK_COMMAND_SPEC): ... here.
12274 (link_gomp_spec): New.
12275 (static_specs): Include it.
12276 (LINK_COMMAND_SPEC): Add link_gomp.
12277 (GOMP_SELF_SPECS): New.
12278 (driver_self_specs): Include it.
12279 (switch_matches): Don't mark inline.
12280 (main): Load libgomp.spec.
12281 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12282 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12283 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12284 * tree-gimple.h (enum omp_parallel): Declare.
12285 (determine_parallel_type): Declare.
12286 (omp_firstprivatize_variable): Declare.
12287 (omp_reduction_init): Declare.
12288 (diagnose_omp_structured_block_errors): Declare.
12289 (struct walk_stmt_info): Add want_return_expr.
12290 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12291 (find_omp_clause): Declare.
12292 (insert_field_into_struct): Declare.
12293 (struct walk_stmt_info): Move from tree-nested.c
12294 (walk_stmts): Declare.
12295 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12297 * cgraphunit.c (cgraph_lower_function): Make static.
12298 (cgraph_finalize_pending_functions): New.
12299 (cgraph_finalize_function): Call it.
12300 (cgraph_finalize_compilation_unit): Likewise.
12301 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12302 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12303 (BT_FN_UINT_UINT): New.
12304 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12305 DEF_FUNCTION_TYPE_VAR_4): Document.
12306 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12307 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12308 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12309 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12310 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12311 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12312 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12313 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12314 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12315 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12316 into separate files.
12317 (DEF_GOMP_BUILTIN): New.
12318 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12319 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12320 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12321 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12322 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12323 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12324 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12325 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12326 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12327 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12328 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12329 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12330 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12331 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12332 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12333 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12334 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12335 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12336 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12337 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12338 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12339 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12340 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12341 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12342 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12343 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12344 * sync-builtins.def: New file, moved from builtins.def.
12345 * omp-builtins.def: New file, moved from builtins.def.
12346 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12347 * gimple-low.c (lower_function_body): Clear data.
12348 (lower_stmt): Do not handle COMPOUND_EXPR.
12349 Remove call to print_node_brief.
12350 * c-tree.h (c_finish_omp_clauses): New prototype.
12351 (C_DECL_THREADPRIVATE_P): Define.
12352 (lookup_name_no_remap, c_omp_remap_private): Remove
12353 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12354 (check_for_loop_decls): Update decl.
12355 (lookup_name_no_remap, c_omp_remap_private): Declare.
12356 (build_indirect_ref, build_modify_expr, pushdecl,
12357 pushdecl_top_level): Move to c-common.h.
12358 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12359 before the switch, but just in the 2 places that need it.
12360 * c-decl.c (diagnose_mismatched_decls): Do not check for
12361 mismatched thread-local attributes when OLDDECL is marked
12362 threadprivate and NEWDECL has no thread-local attributes.
12363 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12364 (c_gimple_diagnostics_recursively): Rename from
12365 c_warn_unused_result_recursively. Invoke
12366 diagnose_omp_structured_block_errors.
12367 (check_for_loop_decls): Return a singular decl found.
12368 * langhooks.c (lhd_omp_predetermined_sharing): Return
12369 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12370 (lhd_omp_firstprivatize_type_sizes): New.
12371 (lhd_omp_assignment): New.
12372 (lhd_omp_predetermined_sharing): New.
12373 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12374 (struct lang_hooks_for_types): Add
12375 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12376 omp_predetermined_sharing, omp_disregard_value_expr,
12377 omp_private_debug_clause, omp_clause_default_ctor,
12378 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12379 (c_finish_omp_clauses): New.
12380 (c_finish_bc_stmt): Diagnose break within omp for.
12381 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12382 (build_unary_op): Return error_mark after reporting
12384 (build_modify_expr): Likewise.
12385 * gimplify.c: Include optabs.h and pointer-set.h.
12386 (enum gimplify_omp_var_data): Declare.
12387 (struct gimplify_omp_ctx): Declare.
12388 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12390 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12391 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12392 (splay_tree_compare_decl_uid): New.
12393 (new_omp_context): New.
12394 (delete_omp_context): New.
12395 (gimple_add_tmp_var): Call omp_add_variable.
12396 (gimplify_bind_expr): Likewise.
12397 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12398 true, disregard DECL_VALUE_EXPR on the decl if any.
12399 (gimplify_expr_in_ctx): New.
12400 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12401 omp_add_variable, omp_notice_variable, omp_is_private
12402 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12403 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12404 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12405 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12406 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12407 gimplify_omp_atomic): New.
12408 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12409 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12410 OMP_CRITICAL and OMP_ATOMIC.
12411 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12412 * c-pragma.h (enum pragma_kind): Add
12413 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12414 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12415 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12416 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12417 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12418 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12419 PRAGMA_OMP_THREADPRIVATE.
12420 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12421 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12422 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12423 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12424 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12425 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12426 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12427 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12428 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12429 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12430 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12431 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12432 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12434 (struct nesting_info): Add field_map,
12435 suppress_expansion, debug_var_chain.
12436 (create_nesting_tree): Initialize them.
12437 (lookup_field_for_decl): Use field_map.
12438 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12439 (convert_local_omp_clauses): New.
12440 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12441 (walk_body): Split out of walk_function.
12442 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12443 (convert_nonlocal_reference): Handle omp statements.
12444 (convert_local_reference): Likewise.
12445 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12446 (unnest_nesting_tree): New.
12447 (lower_nested_functions): Call it.
12448 (insert_field_into_struct): Make extern.
12449 (struct walk_stmt_info): Move to tree-gimple.h.
12450 (walk_stmts): Make extern.
12451 * omp-builtins.def: New file.
12452 * tree-iterator.c (expr_only): Clarify comment.
12453 * c-common.h (pushdecl_top_level, pushdecl,
12454 build_modify_expr, build_indirect_ref,
12455 c_finish_omp_master, c_finish_omp_critical,
12456 c_finish_omp_ordered, c_finish_omp_barrier,
12457 c_finish_omp_atomic, c_finish_omp_flush,
12458 c_finish_omp_for, c_split_parallel_clauses,
12459 omp_clause_default_kind, c_omp_sharing_predetermined,
12460 c_omp_remap_decl): Declare.
12461 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12462 (OBJS-common): Add omp-low.o.
12463 (c-omp.o, omp-low.o): Add.
12464 (gimplify.o): Add dependency on $(OPTABS_H).
12465 (GTFILES): Add omp-low.c.
12466 (gt-stringpool.h): Add.
12467 * tree-cfg.c (set_bb_for_stmt): Do not update the
12468 block-to-labels map if we are currently expanding to RTL.
12469 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12471 Handle IDENTIFIER_NODE.
12472 (tree_verify_flow_info): Do not ICE when emitting error
12473 messages about invalid labels.
12474 (dump_function_to_file): Reset CFUN before emitting the body
12476 (debug_function): New.
12477 * passes.c (init_optimization_passes): Schedule
12479 * langhooks-def.h (lhd_omp_predetermined_sharing,
12480 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12482 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12483 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12484 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12485 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12486 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12487 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12488 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12489 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12490 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12491 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12492 (LANG_HOOK_DECLS): Use them.
12494 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12495 Richard Henderson <rth@redhat.com>
12496 Jakub Jelinek <jakub@redhat.com>
12497 Diego Novillo <dnovillo@redhat.com>
12499 * c-parser.c (pragma_omp_clause): Define.
12500 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12501 (c_parser_compound_statement): Likewise.
12502 (c_parser_statement): Likewise.
12503 (c_parser_pragma): Handle omp pragmas.
12504 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12505 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12506 (c_parser_omp_clause_name, check_no_duplicate_clause,
12507 c_parser_omp_variable_list,
12508 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12509 c_parser_omp_clause_copyprivate,
12510 c_parser_omp_clause_default,
12511 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12512 c_parser_omp_clause_lastprivate,
12513 c_parser_omp_clause_nowait,
12514 c_parser_omp_clause_num_threads,
12515 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12516 c_parser_omp_clause_reduction,
12517 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12518 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12519 c_parser_omp_atomic, c_parser_omp_barrier,
12520 c_parser_omp_critical, c_parser_omp_flush,
12521 c_parser_omp_for_loop, c_parser_omp_for,
12522 c_parser_omp_master, c_parser_omp_ordered,
12523 c_parser_omp_sections_scope, c_parser_omp_sections,
12524 c_parser_omp_parallel, c_parser_omp_single,
12525 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12526 * c-pragma.c (init_pragma): Do omp pragma registration here.
12527 * c.opt (fopenmp): New flag.
12529 2006-01-18 Eric Christopher <echristo@apple.com>
12531 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12532 * config/darwin.h (GOMP_SELF_SPECS): Define.
12534 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12536 * rtl.h: Remove the prototype for reg_alloc.
12538 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12541 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12542 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12543 sjlj and dwarf2 exception handling.
12544 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12545 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12546 * pa/pa.c (function_value): Treat complex and vector types as
12548 (function_arg): Likewise. Only pass scalar floats in the floating
12549 point argument registers.
12550 * pa/t-slibgcc-dwarf-ver: New file.
12551 * pa/t-slibgcc-sjlj-ver: New file.
12552 * pa/t-slibgcc-elf-ver: Delete file.
12554 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12556 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12557 unlikely_test_section_p test.
12559 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12561 * mode-switching.c (optimize_mode_switching): Make it static.
12562 * basic-block.h: Remove the prototype for
12563 optimize_mode_switching.
12565 * modulo-sched.c (sms_schedule): Make it static.
12566 * rtl.h: Remove the prototype for sms_schedule.
12568 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12569 * rtl.h: Remove the prototype for gcse_after_reload_main.
12571 * reg-stack.c (reg_to_stack): Make it static.
12572 * rtl.h: Remove the prototype for reg_to_stack.
12574 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12576 * rtl.h: Remove the prototypes for regrename_optimize and
12577 copyprop_hardreg_forward.
12579 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12581 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12582 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12583 Test against the appropriate null constant for the mode.
12584 If 'fixup_overlap' is true, swap the operands if they overlap.
12585 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12586 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12587 alpha_split_tmode_pair and adjust for above change.
12588 * config/alpha/alpha.md (movtf_internal): Adjust call to
12589 alpha_split_tfmode_pair and rely on it to swap the operands.
12590 (movti_internal): New insn and post-reload splitter.
12591 (movti): New expander.
12593 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12595 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12598 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12600 * rtlanal.c (global_reg_mentioned_p_1,
12601 global_reg_mentioned_p): Remove.
12602 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12604 * flow.c (initialize_uninitialized_subregs): Make it static.
12605 * rtl.h: Remove the prototype for
12606 initialize_uninitialized_subregs.
12608 * function.c (instantiate_virtual_regs): Make it static.
12609 * function.h: Remove the prototype for
12610 instantiate_virtual_regs.
12612 * regmove.c (regmove_optimize, combine_stack_adjustments):
12614 * rtl.h: Remove the prototypes for regmove_optimize and
12615 combine_stack_adjustments.
12617 2006-01-17 Roger Sayle <roger@eyesopen.com>
12619 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12620 (size_cost): Encode costs in bytes so that a reg-reg addition is
12621 equivalent to COSTS_N_INSNS(1).
12622 (override_options): Use the size_cost.branch_cost as the default
12623 ix86_branch_cost when optimizing for size.
12625 2006-01-18 Ben Elliston <bje@au.ibm.com>
12627 * Makefile.in (D32PBIT_FUNCS): New.
12628 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12629 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12630 D64PBIT_FUNCS and D128PBIT_FUNCS.
12631 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12632 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12634 (decnumber_dep): Define.
12635 * doc/libgcc.texi (Decimal float library routines): New node.
12636 * config/dfp-bit.h, config/dfp-bit.c: New files.
12638 2006-01-18 Ben Elliston <bje@au.ibm.com>
12640 * expr.c (emit_move_change_mode): Always adjust addresses, not
12641 just during reload. Copy replacements only during reload.
12642 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12643 emit_move_via_integer.
12645 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12647 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12648 instead of $(srcdir) and ${srcdir}.
12650 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12653 PR middle-end/11135
12654 * arm.h (struct machine_function): Add pic_reg.
12655 * arm.c (arm_pic_register): Make unsigned.
12656 (arm_override_options): Only set arm_pic_register if
12657 TARGET_SINGLE_PIC_BASE.
12658 (use_return_insn): Only test for a pic register if it is fixed.
12659 (arm_compute_save_reg0_reg12_mask): Likewise.
12660 (thumb_compute_save_reg_mask): Likewise.
12661 (legitimate_pic_operand): Factor out some known invariants.
12662 (legitimize_pic_address): If we don't have a fixed pic register,
12663 then set up a pseudo in the function entry sequence. Handle the
12664 pic base being in a pseudo.
12665 (arm_load_pic_register): Handle the pic register being in a pseudo.
12666 (arm_expand_prologue): Only set up the pic register if it is fixed.
12667 (thumb_expand_prologue): Likewise.
12668 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12669 (pic_load_addr_based_insn): Likewise.
12670 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12673 2006-01-18 Ben Elliston <bje@au.ibm.com>
12675 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12676 decimal float modes for all floating point registers.
12678 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12679 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12681 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12684 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12685 even when the pointer is not NULL.
12687 2006-01-16 Ian Lance Taylor <ian@airs.com>
12689 * common.opt (ftoplevel-reorder): New option.
12690 * cgraph.c (cgraph_asm_nodes): New global variable.
12691 (cgraph_asm_last_node): New static variable.
12692 (cgraph_order): New global variable.
12693 (cgraph_create_node): Set new order field.
12694 (cgraph_varpool_node): Likewise.
12695 (decide_is_variable_needed): Return true if not
12696 flag_toplevel_reorder.
12697 (cgraph_add_asm_node): New function.
12698 * cgraph.h (struct cgraph_node): Add order field.
12699 (struct cgraph_varpool_node): Add order field.
12700 (struct cgraph_asm_node): Define.
12701 (cgraph_asm_nodes, cgraph_order): Declare.
12702 (cgraph_add_asm_node): Declare.
12703 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12705 (cgraph_varpool_assemble_pending_decls): Call it.
12706 (cgraph_output_pending_asms): New static function.
12707 (cgraph_finalize_compilation_unit): Call it.
12708 (struct cgraph_order_sort): Define.
12709 (cgraph_output_in_order): New static function.
12710 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12711 !flag_toplevel_reorder case.
12712 * c-parser.c: Include "cgraph.h".
12713 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12715 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12716 than -fno-unit-at-a-time.
12717 * doc/invoke.texi (Option Summary): Mention
12718 -fno-toplevel-reorder.
12719 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12720 -funit-at-a-time documentation.
12722 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12723 Kazu Hirata <kazu@codesourcery.com>
12725 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12727 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12729 * Makefile.in (FUNCTION_H): New. Use it instead of
12730 function.h throughout the file.
12731 * function.h: Include tree.h.
12733 2006-01-17 Ben Elliston <bje@au.ibm.com>
12735 * recog.c: Separate some functions with whitespace.
12737 2006-01-16 Richard Henderson <rth@redhat.com>
12739 Merge from gomp branch:
12740 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12741 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12742 and rename from struct inline_data. Rename callee* to dst*;
12743 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12744 transform_new_cfg, transform_return_to_modify, and
12745 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12747 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12748 (copy_decl_for_dup): Remove.
12749 * tree-inline.c (struct inline_data): Move to header.
12750 (insert_decl_map): Export.
12751 (remap_decl): Update for member name changes. Use copy_decl hook.
12752 Allow for replacement to be a non-decl. Remove dead code.
12753 (remap_type_1): Check for existing mapping.
12754 (remap_type): Export.
12755 (remap_decls): Update for member name changes.
12756 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12757 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12758 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12759 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12760 (tree_function_versioning, build_duplicate_type): Likewise.
12761 (copy_body_r): Likewise. Export.
12762 (copy_decl_for_dup): Split into ...
12763 (copy_decl_for_dup_finish, copy_decl_to_var,
12764 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12765 (replace_ref_tree, inlining_p): Remove.
12767 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12769 * ifcvt.c (if_convert): Make it static.
12770 * rtl.h: Remove the prototype for if_convert.
12772 * local-alloc.c (local_alloc): Make it static.
12773 * rtl.h: Remove the prototype for local_alloc.
12775 * loop.c (loop_optimize): Make it static.
12776 * cfgloop.h: Remove the prototype for loop_optimize.
12779 2006-01-16 DJ Delorie <dj@redhat.com>
12781 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12784 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12786 * pa.md: Disparage copies between general and floating-point registers
12787 in 32-bit move patterns.
12789 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12792 * Makefile.in (check-%): Depend on site.exp instead of
12793 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12796 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12798 * global.c (global_alloc): Make it static.
12799 * rtl.h: Remove the prototype for global_alloc.
12801 2006-01-16 Richard Guenther <rguenther@suse.de>
12803 * tree-ssa-alias.c (struct used_part): Add write_only field.
12804 (get_or_create_used_part_for): Initialize it to true.
12805 (create_overlap_variables_for): Don't create structure variables
12806 for structures that only are written to.
12807 (find_used_portions): Handle MODIFY_EXPR to track whether a
12808 structure is only written to.
12810 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12812 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12814 * basic-block.h: Remove the prototype for
12815 partition_hot_cold_basic_blocks.
12817 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12819 * cppspec.c (lang_specific_spec_functions): Remove.
12820 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12821 * gcc.h (lang_specific_spec_functions): Remove.
12822 * gccspec.c (lang_specific_spec_functions): Remove.
12824 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12826 * combine.c (record_value_for_reg): Invalidate registers
12828 (record_dead_and_set_regs_1): Likewise, by passing them to
12829 record_value_for_reg.
12830 (record_dead_and_set_regs): Invalidate stores made by a
12831 call. We do not combine across a call, but we still
12832 relied on equivalences.
12834 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12836 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12837 vrp_int_const_binop returning non-constant nodes.
12839 2006-01-16 Paul Brook <paul@codesourcery.com>
12841 * config/m68k/m68k.c (output_move_const_into_data_reg):
12842 Output correct mnemonic for mvz and mvs.
12844 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12846 * rtl-factoring.c: Add sequence abstraction algorithm.
12847 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12848 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12850 (block_has_preserve_label): New function.
12851 * common.opt: Register new pass.
12852 * Makefile.in: Ditto.
12854 * timevar.def: Ditto.
12855 * tree-pass.h: Ditto.
12856 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12857 * rtl.h (make_jump_insn_raw): Add forward decl.
12858 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12860 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12861 Roger Sayle <roger@eyesopen.com>
12863 * fold-const.c (fold_minmax): New static function.
12864 (fold_binary) <MIN_EXPR>: Call it.
12865 <MAX_EXPR>: Likewise.
12866 * stor-layout.c (place_field): Use DECL_SIZE consistently
12867 in the computation of the new record size.
12869 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12871 * cse.c (cse_condition_code_reg): Make it static.
12872 * rtl.h: Remove the prototype for cse_condition_code_reg.
12874 * combine.c (combine_instructions): Make it static.
12875 * rtl.h: Remove the prototype for combine_instructions.
12877 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12880 * tree.c (get_file_function_name_long): Concatenate the first global
12881 object name with a string derived from the input filename of the object
12884 2006-01-16 Ben Elliston <bje@au.ibm.com>
12886 * config/i386/winnt-stubs.c: Update FSF address.
12887 * config/xtensa/ieee754-df.S: Ditto.
12888 * config/xtensa/ieee754-sf.S: Ditto.
12890 2006-01-14 Ian Lance Taylor <ian@airs.com>
12892 * ifcvt.c (noce_init_if_info): New static function, broken out of
12893 noce_process_if_block.
12894 (noce_process_if_block): Call noce_init_if_info.
12895 (check_cond_move_block): New static function.
12896 (cond_move_process_if_block): New static function.
12897 (process_if_block): Call cond_move_process_if_block.
12899 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12901 * cselib.c (hash_table): Rename to cselib_hash_table.
12902 (cselib_clear_table, discard_useless_values,
12903 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12904 cselib_init, cselib_finish): Adjust uses of hash_table.
12906 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12908 PR tree-optimization/25485
12909 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12910 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12911 is known to be false and true, respectively.
12913 2006-01-14 Richard Guenther <rguenther@suse.de>
12915 PR tree-optimization/22548
12916 PR tree-optimization/22555
12917 PR tree-optimization/22501
12918 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12919 * params.def (salias-max-array-elements): New parameter.
12920 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12921 * doc/invoke.texi (salias-max-array-elements): Document.
12922 * tree-flow-inline.h (var_can_have_subvars): We also handle
12924 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12926 * tree-ssa-structalias.c (params.h): Include.
12927 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12928 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12929 (get_constraint_for): For ADDR_EXPR operating on something
12930 containing an ARRAY_REF, add all subvars to the solution.
12931 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12932 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12933 for creating MUST_DEFs.
12934 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12936 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12938 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12940 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12941 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12942 number_of_iterations_le): New functions.
12943 (number_of_iterations_special): Removed.
12944 (number_of_iterations_exit): Do not use number_of_iterations_special.
12945 * tree.c (unsigned_type_for): Always return integer type.
12947 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12948 Richard Guenther <rguenther@suse.de>
12950 PR rtl-optimization/24257
12951 * gcse.c (find_moveable_store): Only consider a store movable
12952 when the SET_SRC of the insn can be assigned to a register.
12954 2006-01-14 Ian Lance Taylor <ian@airs.com>
12956 * tree.c (tree_not_class_check_failed): New function.
12957 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12958 (tree_not_class_check_failed): Declare.
12960 2006-01-13 Ian Lance Taylor <ian@airs.com>
12962 * reload1.c (do_output_reload): Add assertion rejecting a
12965 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12967 * combine.c (struct reg_stat): Add new fields truncation_label and
12969 (record_value_for_reg): Reset truncated_to_mode.
12970 (record_truncated_value): New function.
12971 (check_promoted_subreg): Call it. Rename to check_conversions.
12972 (combine_instructions): Rename check_promoted_subreg to
12974 (reg_truncated_to_mode): New function.
12975 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12976 (gen_lowpart_or_truncate): New function.
12977 (force_to_mode): Use it instead of gen_lowpart.
12979 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12981 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12982 VAR is a tag, not its type tag.
12984 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12986 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12987 alternatives to match style of other entries.
12988 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12990 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12992 PR tree-optimization/25771
12993 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12996 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12999 * tree-inline.c (declare_return_variable): If the return variable
13000 was marked as a non gimple complex, set the return slot variable
13001 to be a non gimple comple variable.
13003 2006-01-13 Richard Guenther <rguenther@suse.de>
13005 * builtins.c (expand_builtin_sincos): New function.
13006 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13008 (expand_builtin): Expand sincos using expand_builtin_sincos.
13010 2006-01-12 DJ Delorie <dj@redhat.com>
13012 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13013 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13014 so that constant shifts can be split.
13015 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13016 (m32c_valid_pointer_mode): Make static.
13017 (shift_gen_func_for): New.
13018 (m32c_prepare_shift): Use it. Split large const shifts into
13020 * config/m32c/predicates.md (shiftcount_operand): Allow more
13022 (longshiftcount_operand): New.
13023 * doc/md.texi (Machine Constraints): Document In6.
13025 2006-01-13 Ben Elliston <bje@au.ibm.com>
13027 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13028 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13031 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13033 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13034 to try to avoid clobbering pieces of structures when we know
13035 something about the whole structure.
13036 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13038 2006-01-13 Ben Elliston <bje@au.ibm.com>
13040 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13041 return in memory, as this is no limitation is no longer present.
13043 2006-01-12 DJ Delorie <dj@redhat.com>
13045 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13046 mova with fb, and for fb+0 -> An.
13048 * config/m32c/mov.md (peephole2): Fix enabling logic.
13050 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13051 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13052 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13053 FINI_ARRAY_SECTION_ASM_OP): Define.
13055 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13057 (m32c_legitimize_reload_address): New logic to reload FB to An.
13058 (m32c_output_reg_push): Add newline.
13059 (m32c_output_reg_pop): Likewise.
13061 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13063 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13065 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13067 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13069 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13071 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13074 2006-01-11 Ben Elliston <bje@au.ibm.com>
13076 * rtlanal.c (find_reg_note): Assert insn is not null.
13078 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13080 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13083 2006-01-11 Jeff Law <law@redhat.com>
13085 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13087 (mark_threaded_blocks, register_jump_thread): New functions.
13088 (thread_through_all_blocks): Remove unwanted argument. No
13089 longer rely on e->aux to communicate thread target info.
13090 Call mark_threaded_blocks. Release the threaded_blocks
13091 bitmap and threaded_edges vector when complete.
13092 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13093 (threaded_blocks): Remove.
13094 (tree_ssa_dominator_optimize): Remove initialization and
13095 finalization of threaded_blocks. Simplify call to
13096 thread_through_all_blocks.
13097 (thread_across_edge): Call register_jump_thread rather than
13098 storing thread information into e->aux.
13099 (free_all_edge_infos): Simplify now that e->aux is no longer
13100 used to communicate with thread_through_all_blocks.
13101 * tree-flow.h (thread_through_all_blocks): Update prototype.
13102 (register_jump_thread): Prototype.
13104 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13106 * df-core.c (df_compact_blocks, df_bb_replace): Use
13107 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13109 2006-01-11 Richard Guenther <rguenther@suse.de>
13111 PR tree-optimization/25734
13112 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13113 stop propagation after successful propagation to the LHS.
13115 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13117 * basic-block.h (control_flow_graph): Change the type of
13118 x_basic_block_info to VEC(basic_block,gc) *.
13119 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13121 (SET_BASIC_BLOCK): New.
13122 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13123 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13124 * cfgbuild.c (find_basic_blocks): Likewise.
13125 * cfglayout.c (fixup_reorder_chain): Likewise.
13126 * cfgrtl.c (create_basic_block_structure,
13127 rtl_create_basic_block): Likewise.
13128 * ifcvt.c (find_if_case_1): Likewise.
13129 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13132 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13134 * Makefile.in: Removed rotted odf.c entry.
13136 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13139 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13140 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13141 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13142 output pattern modifier, not %e.
13143 * config/cris/cris.c (cris_op_str): Update comment about pattern
13145 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13146 before falling through into...
13147 <case 'E'>: Redefined from old 'e' case.
13149 2006-01-11 Jan Hubicka <jh@suse.cz>
13152 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13154 2006-01-11 Jan Hubicka <jh@suse.cz>
13156 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13157 * i386.c (x86_decompose_lea): Kill.
13158 (ix86_rtx_costs): Kill.
13160 2006-01-11 Jan Hubicka <jh@suse.cz>
13162 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13163 * cgraph.h (cgraph_node): Add inline_decl.
13164 (cgraph_insert_node_to_hashtable): Declare.
13165 (save_inline_function_body): Declare.
13166 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13168 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13169 (cgraph_function_versioning): Update call of tree_function_versioning.
13170 (save_inline_function_body): New function.
13171 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13172 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13173 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13174 (cgraph_default_inline_p): Likewise.
13175 (cgraph_decide_inlining_incrementally): Likewise.
13176 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13177 (copy_bb): Kill saving; do updating of clones.
13178 (copy_cfg_body): Kill saving.
13179 (initialize_inlined-parameters): Likewise.
13180 (expand_call_inline): Likewise.
13182 (tree_function_versioning): New parameter "update_clones".
13183 (inlining_p): Kill saving.
13184 * tree-inline.h (tree_function_versioning): Update prototype.
13185 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13188 2006-01-11 Ian Lance Taylor <ian@airs.com>
13190 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13191 Allow undoing set of machine mode.
13192 (do_SUBST): Use enums instead of is_int.
13193 (do_SUBST_MODE): New function.
13194 (SUBST_MODE): New macro.
13195 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13196 reg and trying to replace reg_regno_rtx with a new register.
13197 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13198 (simplify_set): Use SUBST_MODE.
13199 (distribute_notes): Remove code that tried to update reg notes
13200 for regno_reg_rtx changes.
13202 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13204 PR tree-optimization/23109
13205 PR tree-optimization/23948
13206 PR tree-optimization/24123
13208 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13209 * tree-cfg.c (single_noncomplex_succ): New.
13210 * tree-flow.h (single_noncomplex_succ): Declare it.
13211 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13212 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13213 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13214 insert_bb, register_division_in, insert_reciprocals,
13215 replace_reciprocal, free_bb): New.
13216 (execute_cse_reciprocals_1): Rewritten.
13217 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13218 Do not commit any edge insertion. Always compute dominators and
13219 create the allocation pool.
13220 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13221 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13222 * targhooks.c (default_min_divistions_for_recip_mul): New.
13223 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13224 * passes.c (init_optimization_passes): Run recip after tree loop
13226 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13228 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13229 Kenneth Zadeck <zadeck@naturalbridge.com>
13231 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13232 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13233 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13234 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13235 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13236 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13237 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13238 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13239 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13240 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13241 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13242 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13243 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13244 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13245 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13246 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13247 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13248 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13249 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13250 DF_SCAN_POST_ALLOC): New macros.
13251 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13252 df_free_bb_function, df_local_compute_function, df_init_function,
13253 df_dataflow_function, df_confluence_function_0,
13254 df_confluence_function_n, df_transfer_function,
13255 df_finalizer_function, df_free_function, df_dump_problem_function,
13256 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13257 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13258 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13259 df_urec_bb_info, ) New types.
13260 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13262 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13263 df_analyze_simple_change_some_blocks,
13264 df_analyze_simple_change_one_block, df_compact_blocks,
13265 df_bb_replace, df_bb_regno_last_use_find,
13266 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13267 df_insn_regno_def_p, df_find_def, df_find_use,
13268 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13269 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13270 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13271 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13272 debug_df_chain, df_get_dependent_problem, df_chain_create,
13273 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13274 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13275 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13276 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13277 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13278 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13279 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13280 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13281 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13282 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13283 df_reorganize_refs, df_set_state, df_hard_reg_init,
13284 df_read_modify_subreg_p) New public functions.
13285 * df-core.c: The core dataflow solver and glue routines for rtl
13287 (df_init, df_add_problem, df_set_blocks, df_finish,
13288 df_hybrid_search_forward, df_hybrid_search_backward,
13289 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13290 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13291 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13292 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13293 df_reg_defined, df_find_use, df_reg_used, df_dump,
13294 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13295 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13296 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13297 debug_df_useno, reset_df_after_reload): New functions.
13298 * df-scan.c: The scanning fuctions, once in df.c, completely
13299 rewritten so that they now fully model the functionality of
13300 register usage at the backend.
13301 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13302 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13303 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13304 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13305 df_get_artificial_defs, df_get_artificial_uses,
13306 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13307 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13308 df_refs_delete, df_reorganize_refs, df_set_state,
13309 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13310 df_def_record_1, df_defs_record, df_uses_record,
13311 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13312 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13313 df_record_exit_block_uses, df_hard_reg_init): New functions.
13315 * df-problems.c: Seven concrete dataflow problems that use the
13316 scanning in df-scan.c and are solved by the engine in df-core.c.
13317 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13318 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13319 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13320 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13321 df_ru_free_bb_info, df_ru_alloc,
13322 df_ru_bb_local_compute_process_def,
13323 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13324 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13325 df_ru_transfer_function, df_ru_free, df_ru_dump,
13326 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13327 df_rd_free_bb_info, df_rd_alloc,
13328 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13329 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13330 df_rd_transfer_function, df_rd_free, df_rd_dump,
13331 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13332 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13333 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13334 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13335 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13336 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13337 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13338 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13339 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13340 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13341 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13342 df_urec_mark_reg_use_for_earlyclobber,
13343 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13344 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13345 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13346 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13347 df_chain_create_bb_process_use, df_chain_create_bb,
13348 df_chain_finalize, df_chain_free, df_chains_dump,
13349 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13350 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13351 df_reg_lifetime): New functions.
13352 * df.c: Deleted file.
13353 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13354 consistent with new df api.
13355 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13356 rest_of_handle_sms): Ditto.
13357 * web.c (unionfind_union, union_defs, entry_register, web_main):
13359 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13360 invariant_expr_equal_p, find_defs, check_dependencies,
13361 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13362 free_inv_motion_data, move_loop_invariants): Ditto.
13363 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13364 Update dependencies.
13365 (odf.c): Added defective entry that was deleted later in day.
13366 * sched-deps.c (sched_analyze_1): Ditto.
13368 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13370 * tree-ssa-operands.c (get_expr_operands): Record addressable
13371 variables directly. Do not call add_stmt_operands for CONST_DECLs
13373 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13374 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13376 2006-01-11 Ben Elliston <bje@au.ibm.com>
13378 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13379 function returns true in the positive case.
13381 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13384 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13385 for SI, DI, SF and DF modes. Add alternatives to copy between
13386 general and floating point registers to the 32-bit patterns.
13387 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13388 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13389 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13390 generating 64-bit code.
13391 * config/pa/pa.c (output_move_double): Handle copies between general
13392 and floating registers.
13394 2006-01-10 Stuart Hastings <stuart@apple.com>
13396 * config/i386/i386.md (set_got): Update.
13397 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13398 (builtin_setjmp_receiver): Mach-O support.
13399 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13400 (GOT_SYMBOL_NAME): Define.
13401 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13402 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13403 * config/i386/i386.c (override_options): Revise for Darwin.
13404 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13405 support. (darwin_x86_file_end): New. (output_set_got): Add label
13406 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13407 * config/i386/i386-protos.h (output_set_got): Likewise.
13408 * config/darwin.c (machopic_legitimize_pic_address): Update
13411 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13413 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13414 when MODE isn't BLKmode.
13416 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13418 PR rtl-optimization/25367
13419 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13421 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13424 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13425 for a negative bound.
13427 2006-01-10 Richard Guenther <rguenther@suse.de>
13429 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13430 Never override with anything constraint.
13432 2006-01-10 Jan Beulich <jbeulich@novell.com>
13434 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13435 256 bits when optimize_size.
13437 2006-01-10 Jan Beulich <jbeulich@novell.com>
13439 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13441 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13442 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13445 2006-01-10 Ben Elliston <bje@au.ibm.com>
13447 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13449 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13450 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13451 (USE_FP_FOR_ARG): Reject decimal float modes.
13452 (function_arg_advance): Likewise.
13453 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13454 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13455 point types in AltiVec vectors.
13456 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13457 (rs6000_libcall_value): Likewise.
13459 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13461 * config/xtensa/ieee754-df.S: New file.
13462 * config/xtensa/ieee754-sf.S: New file.
13463 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13464 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13465 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13467 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13469 * config/sh/predicates.md (binary_float_operator,
13470 binary_logical_operator, commutative_float_operator,
13471 equality_comparison_operator, greater_comparison_operator,
13472 less_comparison_operator, logical_operator,
13473 noncommutative_float_operator, shift_operator,
13474 symbol_ref_operand, unary_float_operator): Remove redundant
13477 2006-01-09 Jeff Law <law@redhat.com>
13479 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13480 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13481 now unused arguments. Callers updated.
13482 (eliminate_redundant_computations): Remove now unused arguments,
13484 (local_fold): Remove, no longer used.
13485 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13487 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13488 (simplify_cond): New function.
13489 (forward_propagate_into_cond): Call simplify_cond.
13491 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13493 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13494 (*vec_extractv2di_1_sse): New.
13496 2006-01-09 Ben Elliston <bje@au.ibm.com>
13498 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13500 2006-01-08 Richard Guenther <rguenther@suse.de>
13502 * tree-ssa-structalias.c (get_constraint_for): Remove
13503 anyoffset argument.
13504 (get_constraint_for_component_ref): Likewise.
13505 (do_deref): Likewise.
13506 (get_constraint_for): Likewise.
13507 (do_structure_copy): Likewise.
13508 (handle_ptr_arith): Likewise.
13509 (find_func_aliases): Likewise. Remove unused need_anyoffset
13512 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13513 Kaz Kojima <kkojima@gcc.gnu.org>
13515 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13516 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13517 (EXTRA_CONSTRAINT_C16): Remove.
13518 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13519 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13520 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13521 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13522 constants of SHmedia. Handle nested constant expressions of
13524 (andcosts): Fix the costs for SHmedia constants.
13525 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13526 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13527 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13528 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13529 (movv4hi_i, movv2si_i): Likewise.
13530 (movsi_const): Adjust the second operand of ior so to match with
13531 the Csu constraint.
13532 (movdi_const, movdi_const_32bit): Likewise.
13533 (movdi_const_16bit+1): Don't sign-extend LOW.
13534 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13536 (*double_shori): Fix the split condition. Use GEN_INT instead
13537 of get_int_mode calls. Mask lower 16-bit of the argument of
13539 (sym2GOTPLT): Remove.
13540 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13542 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13543 instead of EXTRA_CONSTRAINT_C16.
13545 2006-01-07 Ian Lance Taylor <ian@airs.com>
13546 David Edelsohn <edelsohn@gnu.org>
13548 PR rtl-optimization/25662
13549 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13550 for constant operands instead of simplify_gen_binary.
13551 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13552 after trying simplify_binary_operation
13554 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13556 * tree.c (iterative_hash_expr): Hash decls based on UID.
13558 2006-01-06 Eric Christopher <echristo@apple.com>
13560 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13561 (TARGET_UNWIND_EMIT): Fix spelling.
13562 * target.h (gcc_target): Add except_table_label.
13563 * except.c (output_function_exception_table): Use.
13564 * varasm.c (default_emit_except_table_label): New.
13565 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13567 (asm_out): Add here.
13568 * output.h (default_emit_except_table_label): Prototype.
13569 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13570 * config/darwin.c (darwin_emit_except_table_label): Define.
13571 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13573 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13575 PR tree-optimization/18527
13576 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13577 number_of_iterations_special, number_of_iterations_exit):
13578 Move base and step of an iv to a single structure. Add
13579 no_overflow flag, and use it in # of iterations analysis.
13580 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13581 folded_casts argument.
13582 (simple_iv): Pass base and step in a structure. Set no_overflow
13584 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13585 Evaluate expensiveness of computing # of iterations instead of
13586 the final expression.
13587 * tree-scalar-evolution.h (affine_iv): New structure.
13588 (simple_iv): Declaration changed.
13589 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13590 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13591 find_givs_in_stmt): Changed due to simple_iv change.
13593 2006-01-06 Jeff Law <law@redhat.com>
13596 * tree-cfg.c (bsi_replace): Rename final argument from
13597 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13598 change (stmt -> orig_stmt).
13599 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13600 (bsi_remove): Add new argument. Remove EH information
13602 (verify_eh_throw_table_statements): New function.
13603 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13605 * tree-optimize.c (execute_free_cfg_annotations): Verify
13606 the EH throw statement table after removing annotations.
13607 * except.h (verify_eh_throw_table_statements): Prototype.
13608 * tree-flow.h (bsi_remove): Update prototype.
13609 * tree-vrp.c (remove_range_assertions): Add new argument to
13611 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13612 * tree-complex.c (expand_complex_div_wide): Likewise.
13613 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13614 * tree-tailcall.c (eliminate_tailcall): Likewise.
13615 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13616 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13617 * tree-nrv.c (tree_nrv): Likewise.
13618 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13619 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13620 (combine_blocks): Likewise.
13621 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13622 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13623 (cleanup_control_flow): Likewise.
13624 (remove_forwarder_block): Likewise.
13625 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13626 * tree-sra.c (sra_replace): Likewise.
13627 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13628 (forward_propagate_single_use_vars): Likewise.
13629 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13630 * tree-inline.c (expand_call_inline): Likewise.
13631 * tree-vect-transform.c (vect_transform_loop): Likewise.
13632 * tree-outof-ssa.c (rewrite_trees): Likewise.
13633 * tree-cfg.c (make_goto_expr_edges): Likewise.
13634 (cleanup_dead_labels): Likewise.
13635 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13636 (bsi_move_before, bsi_move_after): Likewise.
13637 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13638 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13640 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13643 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13645 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13646 on non gimple variables. Also add checks at the top for decls and
13648 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13650 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13651 and IMAGPART_EXPR for creating MUST_DEFs.
13652 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13653 and NAME_MEMORY_TAG separately from the DECLs.
13655 2006-01-06 Richard Guenther <rguenther@suse.de>
13657 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13658 annotation, if necessary.
13659 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13660 redundant calls to update_stmt.
13661 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13664 2006-01-05 Richard Henderson <rth@redhat.com>
13666 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13668 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13670 * c-typeck.c: Update copyright date.
13672 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13674 * c-typeck.c (build_c_cast): Always warn when casting
13675 from a pointer to an integer of different size, even if
13676 the node was constant.
13678 2006-01-05 Richard Guenther <rguenther@suse.de>
13680 PR tree-optimization/22555
13681 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13682 if one structure field is an array.
13683 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13684 operands even if we found a subvar, but ignore VOPs in this
13686 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13688 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13690 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13692 PR middle-end/24998
13693 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13695 2006-01-05 Richard Guenther <rguenther@suse.de>
13696 Diego Novillo <dnovillo@redhat.com>
13698 * tree-pass.h (TODO_remove_unused_locals): Define.
13699 * gimple-low.c (expand_var_p, remove_useless_vars,
13700 pass_remove_useless_vars): Remove. Update all users.
13701 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13702 (remove_unused_locals): New function.
13703 * tree-flow.h (remove_unused_locals): Declare.
13704 * passes.c (execute_todo): Call remove_unused_locals if
13705 TODO_remove_unused_locals is set.
13706 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13707 * tree-ssa-dce.c (pass_dce): Likewise.
13708 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13710 2006-01-05 Richard Guenther <rguenther@suse.de>
13712 * tree-flow.h (struct fieldoff): Decompose field to
13713 type, size and decl.
13714 * tree-ssa-alias.c (create_sft): Take type as parameter.
13715 (create_overlap_variables_for): Store type, size and decl
13716 in the fieldoff structure.
13717 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13718 of struct fieldoff.
13719 (push_fields_onto_fieldstack): Likewise.
13720 (create_variable_info_for): Likewise. Use offset for the
13721 SFT name if the decl is not available.
13723 2006-01-04 Paul Brook <paul@codesourcery.com>
13725 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13727 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13729 * lambda-code.c (can_put_in_inner_loop): Relax
13731 (can_put_after_inner_loop): New function.
13732 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13733 (perfect_nestify): Change to make copies and modify uses.
13735 2006-01-04 Richard Henderson <rth@redhat.com>
13737 Merge from gomp branch:
13738 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13739 via integer constant.
13740 (pragma_lex): Remove.
13741 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13742 rather than parsing it.
13743 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13744 handle_pragma_extern_prefix): Add %< %> quotes.
13745 (registered_pragmas): New.
13746 (c_register_pragma_1): New.
13747 (c_register_pragma): Use it.
13748 (c_register_pragma_with_expansion): Likewise.
13749 (c_invoke_pragma_handler): New.
13750 (init_pragma): Use cpp_register_deferred_pragma directly for
13752 * c-pragma.h (enum pragma_kind): New.
13753 (pragma_handler): New.
13754 (c_invoke_pragma_handler): Declare.
13755 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13757 * c-common.h (c_common_pch_pragma): Update decl.
13758 * Makefile.in (c-parser.o): Update dependencies.
13759 (GTFILES): Add c-pragma.h.
13760 * c-parser.c (struct c_token): Add pragma_kind.
13761 (struct c_parser): Add in_pragma.
13762 (c_lex_one_token): Always initialize keyword and pragma_kind.
13763 Extract data for CPP_PRAGMA.
13764 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13765 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13766 Don't allow CPP_PRAGMA_EOL if in_pragma.
13767 (c_parser_consume_pragma): New.
13768 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13769 (c_parser_skip_to_end_of_parameter): Likewise.
13770 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13771 (c_parser_skip_to_pragma_eol): New.
13772 (c_parser_external_declaration): Handle CPP_PRAGMA.
13773 (c_parser_compound_statement_nostart): Likewise.
13774 (c_parser_statement_after_labels): Likewise.
13775 (c_parser_pragma): New.
13776 (pragma_lex): Likewise.
13777 (c_parser_pragma_pch_preprocess): New.
13778 (c_parser_new): Merge into ...
13779 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13781 2006-01-04 Jeff Law <law@redhat.com>
13784 * tree-cfg.c (bsi_replace): Remove the original statement
13785 from the EH throw statement table.
13787 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13789 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13790 make the prototype extern "C" and add throw ().
13793 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13794 and pos non-negative and pos + len <= 32.
13795 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13796 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13797 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13800 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13801 as well as sizes not multiple of component size.
13804 * function.c (instantiate_expr): New function.
13805 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13806 walk its DECL_VALUE_EXPR with instantiate_expr.
13808 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13809 DW_OP_deref{,_size} if address isn't going to be added.
13811 2006-01-04 Ben Elliston <bje@au.ibm.com>
13813 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13814 * config/fp-bit.c: Likewise.
13816 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13818 * dominance.c: Add comment about why we use DFS numbering
13821 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13822 Richard Henderson <rth@redhat.com>
13824 Merge from gomp-branch:
13825 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13826 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13828 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13830 PR rtl-optimization/25578
13831 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13832 pass a parameter to simplify_shift_const if changing ASHIFTRT
13835 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13837 * builtins.c (get_builtin_sync_mem): New function.
13838 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13839 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13840 Call get_builtin_sync_mem to generate mem rtx.
13842 2006-01-03 Richard Guenther <rguenther@suse.de>
13845 * stmt.c (add_case_node): Make sure to clear overflow flags
13848 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13850 Merge from gomp-branch.
13851 * config/sparc/sync.md: New file.
13852 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13853 UNSPECV_LDSTUB): New constants.
13854 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13855 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13856 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13859 2006-01-03 Roger Sayle <roger@eyesopen.com>
13861 * combine.c (reg_subword_p): New predicate to test whether the
13862 destination of a set refers to a subword/piece of a register.
13863 (try_combine): Generalize the code to merge the setting of a
13864 pseudo to a constant followed by a set of a subword of that
13865 register to a constant.
13867 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13869 * basic-block.h (control_flow_graph): Change the type of
13870 x_label_to_block_map to VEC(basic_block,gc) *.
13871 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13872 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13874 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13875 VEC(basic_block,heap) *.
13876 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13877 ssa_prop_fini): Adjust the uses of cfg_blocks.
13879 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13881 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13883 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13884 hashing trees instead of a pointer hash.
13885 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13886 compare for MEM_EXPR.
13888 PR rtl-optimization/25130
13889 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13890 when comparing MEMs for GCSE
13892 2006-01-03 Ben Elliston <bje@au.ibm.com>
13894 * targhooks.h (default_decimal_float_supported_p): Declare.
13895 * targhooks.c (default_decimal_float_supported_p): Define.
13896 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13897 `default_decimal_float_supported_p'.
13898 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13900 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13902 * combine.c (apply_distributive_law <SUBREG>): Check
13903 TRULY_NOOP_TRUNCATION.
13905 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13907 * dwarf2out.c (have_switched_text_section): Delete.
13908 (have_multiple_function_sections): New.
13909 (have_location_lists): Make 'bool'.
13910 (add_AT_loc_list): Use 'true' not '1'.
13911 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13912 (output_loc_list): Use have_multiple_function_sections.
13913 (output_ranges): Likewise.
13914 (dwarf2out_begin_function): Set have_multiple_function_sections if
13916 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13917 Check function_section rather than DECL_SECTION_NAME.
13918 (dwarf2out_finish): Use have_multiple_function_sections.
13919 Don't clear have_location_lists.
13921 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13922 Jan Hubicka <jh@suse.cz>
13924 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13925 case of conditional jump jumping to the next instruction.
13926 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13927 cases of conditional jump jumping to the next instruction.
13929 2006-01-02 Jan Hubicka <jh@suse.cz>
13931 * i386.c (*_cost): Add COSTS_N_INSNS.
13932 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13934 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13937 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13939 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13941 * config/arm/arm.c (all_fpus): Fix comment typo.
13942 * config/darwin.c: Likewise.
13943 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13944 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13945 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13947 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13949 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13950 (rs6000_split_compare_and_swapqhi): New.
13951 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13952 (sync_compare_and_swapqhi_internal): New.
13953 * config/rs6000/rs6000-protos.h: Declare.