1 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3 PR tree-optimization/28364
4 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6 (fold_affine_expr): New function.
7 (may_eliminate_iv): Use fold_affine_expr.
9 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
15 2006-08-16 Mike Stump <mrs@apple.com>
17 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
18 * doc/cppopts.texi (-MD): Likewise.
20 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
23 * c-common.c (handle_weak_attribute): Ignore and warn if
24 not a FUNCTION_ or VAR_DECL.
26 2006-07-15 Mike Stump <mrs@apple.com>
29 * c-parser.c (c_parser_typeof_specifier): Don't use
30 c_finish_expr_stmt, open code desired semantics instead.
32 2006-08-15 Nick Clifton <nickc@redhat.com>
34 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
35 fragment to tmake_file only if threads are enabled.
36 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
37 * config/i386/t-gthr-win32: New file. ... here.
39 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
42 * c-parser.c (c_parser_compound_statement_nostart): Reset
43 parser->error after each statement.
45 2006-08-15 Jakub Jelinek <jakub@redhat.com>
48 * omp-low.c (lower_omp_parallel): Convert t to
50 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
51 source before comparison.
54 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
55 to itype in assignment to oldival2.
57 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
61 * c-typeck.c (build_compound_expr): If the second expression
62 is an error mark, then just return an error mark instead of
63 creating a COMPOUND_EXPR.
65 2006-07-14 Mike Stump <mrs@apple.com>
67 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
69 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
71 * c-decl.c, var-tracking.c: Fix comment typos.
73 2006-08-14 Richard Sandiford <richard@codesourcery.com>
75 PR rtl-optimization/28634
76 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
77 for floating-point modes unless flag_unsafe_math_optimizations.
79 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
80 Andrew Pinski <pinskia@physics.uc.edu>
83 * tree.c (build_array_type): Unify array types with
84 unspecified index_type.
85 * c-decl.c (grokdeclarator): Make sure we do not modify a
86 unified incomplete array type.
87 * c-typeck.c (store_init_value): Create distinct type before
88 filling in the index type in an initializer from a compound
91 * c-decl.c (grokdeclarator): Remove code where we copy the
94 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
96 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
97 into account for TODO_dump_cgraph.
98 (TODO_update_ssa_no_phi): Likewise.
99 (TODO_update_ssa_full_phi): Likewise.
100 (TODO_update_ssa_only_virtuals): Likewise.
101 (TODO_remove_unused_locals): Likewise.
102 (TODO_set_props): Likewise.
103 (TODO_update_stmt_usage): Likewise.
105 2006-08-13 Dirk Mueller <dmueller@suse.de>
107 * c-common.c (strict_aliasing_warning): Fix formatting.
109 2006-08-13 Matthias Klose <doko@debian.org>
111 * doc/invoke.texi: Fix spelling errors.
113 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
115 PR rtl-optimization/23454
116 * reorg.c (relax_delay_slots): Update comment.
118 2006-08-11 Richard Guenther <rguenther@suse.de>
121 * simplify-rtx.c (simplify_const_relational_operation):
122 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
125 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
127 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
128 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
130 2006-08-10 Paul Brook <paul@codesourcery.com>
132 * final.c (final_scan_insn): Clear current_insn_predicate before
133 outputting inline asm.
135 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
137 PR tree-optimization/26197
138 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
139 get_ref_base_and_extent and overlap_subvar to add only relevant
140 subvars as may-aliases.
141 (add_may_alias_for_new_tag): New function, factored out of
143 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
144 with additional argument.
145 * tree-flow.h (new_type_alias): Takes additional argument.
147 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
149 * gcov.c (no_data_file): New flag.
150 (read_count_file): Set it if data file not present. Assume counts
152 (output_lines): Don't name the data file, if there wasn't one.
154 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
156 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
157 (rs6000_generate_compare): Tweak comments.
158 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
160 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
162 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
163 (var_debug_decl): New function.
164 (var_reg_set): Follow debug decl link. Add location even if
165 reg is already known to hold some other variable.
166 (var_mem_set): Follow debug decl link.
167 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
168 decl link. Delete other known locations of the variable part
170 (var_reg_delete, var_mem_delete): Delete other known locations
171 of the variable part if requested.
172 (same_variable_part_p): New function.
173 (add_stores): Select MO_COPY when appropriate.
174 (vt_initialize): Handle it.
175 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
176 known locations for MO_SET and MO_CLOBBER.
177 (find_variable_location_part): New function.
178 (set_variable_part, delete_variable_part): Use it.
179 (clobber_variable_part): New function.
180 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
183 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
185 PR tree-optimization/26969
186 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
187 with an empty list of PHIs.
189 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
193 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
196 2006-08-06 Andreas Schwab <schwab@suse.de>
198 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
199 string. Whitespace and comment fixup.
201 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
204 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
208 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
211 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
213 2006-08-04 Jan Hubicka <jh@suse.cz>
217 * reload.c (push_reload): Patch out the mismatching instruction;
219 (find_reload): Bail out if the instruction was patched out.
221 2006-08-04 Jan Hubicka <jh@suse.cz>
223 PR tree-optimization/24888
224 * tree-inline.c (expand_call_inline): Do not re-record variables.
225 (declare_inline_vars): Add variable to unexpanded_var_list.
227 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
228 Roger Sayle <roger@eyesopen.com>
230 PR rtl-optimization/26244
231 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
232 inner_const are negative or greater than or equal to the bitsize of
233 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
234 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
235 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
236 CONST0_RTX (mode) when the new shift count is greater than or equal to
237 to the bitsize of the object being shifted and XEXP (y, 0) has no side
240 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
242 * tree-cfg.c: Fix a comment typo.
244 2006-08-03 Mark Mitchell <mark@codesourcery.com>
247 * varasm.c (output_constant): Give the front end another chance to
248 expand constants, after stripping NOPs.
250 2006-08-03 Jan Hubicka <jh@suse.cz>
252 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
255 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
257 PR tree-optimization/27770
258 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
259 declaration removed (moved to tree-flow.h).
260 (vect_can_force_dr_alignment_p): Likewise.
261 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
262 (moved from tree-vectorizer.h).
263 (vect_can_force_dr_alignment_p): Likewise.
264 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
265 from outside the vectorizer - in particular from cgraph stage.
266 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
267 the alignment of global arrays when -fsection-anchors is enabled.
268 * cgraphunit.c (cgraph_increase_alignment): New function.
269 (cgraph_optimize): Call cgraph_increase_alignment.
271 2006-08-03 David Edelsohn <edelsohn@gnu.org>
274 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
275 not reload a SPE symbol_ref into a lo_sum address.
277 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
280 * dwarf2out.c (prune_unused_types_prune): Move call to
281 prune_unused_types_update_strings to cover the parent DIE also.
283 2006-08-02 Jan Hubicka <jh@suse.cz>
285 PR gcov/profile/28480
286 * tree-cfg.c (change_bb_for_stmt): New function.
287 (tree_merge_blocks, tree_split_blocks): Use it.
289 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
295 * toplev.c (compile_file): Return early on errorcount or sorrycount.
296 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
297 (cgraph_optimize): Likewise.
299 2006-08-01 Stuart Hastings <stuart@apple.com>
301 * rtl.h (UINTVAL) New.
302 * config/rs6000/rs6000.c (SMALL_INT) Use it.
303 * testsuite/gcc.dg/20060801-1.c: New.
305 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
308 * c-typeck.c (build_external_type): Mark used enum types.
309 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
311 (gen_subprogram_die): Whitespace fix.
313 2006-08-01 Jan Hubicka <jh@suse.cz>
315 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
316 bitmap when not needed.
317 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
320 2006-08-01 Dirk Mueller <dmueller@suse.de>
322 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
324 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
326 * Makefile.in: Revert part of previous patch:
327 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
330 2006-07-30 Eric Christopher <echristo@apple.com>
333 * doc/extend.texi (i386 Variable Attributes): Add anchor.
334 (PowerPC Variable Attributes): New section.
336 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
338 PR target/28126 (partial fix)
339 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
341 2006-07-28 Jan Hubicka <jh@suse.cz>
343 PR rtl-optimization/28071
344 * cfgrtl.c (rtl_delete_block): Free regsets.
345 * flow.c (allocate_bb_life_data): Re-use regsets if available.
347 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
349 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
350 and variables used in dependencies.
352 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
354 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
355 %fs for -mcmodel=kernel.
356 (stack_tls_protect_test_di): Likewise.
358 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
360 * Makefile.in: Use mkinstalldirs.
362 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
365 * opts-common.c (prune_options): Skip joined switches.
367 2006-07-27 Jan Hubicka <jh@suse.cz>
369 PR rtl-optimization/28071
370 * cselib.c (cselib_process_insn): Don't remove useless values too
371 often for very large hashtables.
373 2006-07-27 Jan Hubicka <jh@suse.cz>
375 PR rtl-optimization/28071
376 * global.c (greg_obstack): New obstack.
377 (allocate_bb_info): Use it.
378 (free_bb_info): Likewise.
379 (modify_reg_pav): Likewise.
381 2006-07-27 Roger Sayle <roger@eyesopen.com>
383 * builtins.c (fold_fixed_mathfn): When long and long long are the
384 same size, canonicalize llceil*, llfloor*, llround* and llrint*
385 functions to their lceil*, lfloor*, lround* and lrint* forms.
387 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
390 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
392 (rev_branch_insn): Likewise.
394 2006-07-27 Jan Hubicka <jh@suse.cz>
396 PR rtl-optimization/28071
397 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
398 (reg_set_in_bb, max_reg_computed): New static variables.
399 (regmove_optimize): Free the new array.
400 (fixup_match_1): Update call of reg_is_remote_constant_p.
402 2006-07-26 Jan Hubicka <jh@suse.cz>
404 PR tree-optimization/27882
405 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
407 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
409 (cgraph_analyze_compilation_unit): Likewise.
410 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
411 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
412 (cgraph_early_inlinine): Make order garbage collected.
413 * Makefile.in (gt-ipa-inline): New garbagecollected file.
415 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
417 * dbxout.c (output_types_sort): Add a comment.
418 (output_used_types): Free the VEC.
420 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
422 * function.c (reorder_fix_fragments): Delete.
423 (reorder_blocks): Don't call it.
424 (reorder_blocks_1): Put all subblocks under the origin block.
426 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
428 PR rtl-optimization/27907
429 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
432 2006-07-25 Roger Sayle <roger@eyesopen.com>
435 * convert.c (convert_to_integer): When transforming (T)foo(x) into
436 bar(x) check that bar's result type can represent all the values of T.
438 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
440 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
442 2006-07-25 Nick Clifton <nickc@redhat.com>
444 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
446 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
447 (ggc_pch_count_object): Likewise.
448 (ggc_pch_alloc_object): Likewise.
449 (ggc_pch_write_object): Likewise.
450 (init_ggc): Do not attempt to initialize entries in the
451 size_lookup[] array for objects whose size is greater than than
452 the length of the array.
454 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
456 * dbxout.c (output_used_types_helper): Push queued types
458 (output_types_sort): New.
459 (output_used_types): Collect used types on a VEC and sort them
462 2006-07-24 Richard Guenther <rguenther@suse.de>
465 * cgraph.c (cgraph_remove_node): Do not check if dumps
467 * cgraphunit.c (cgraph_optimize): Likewise.
469 2006-07-24 Jan Hubicka <jh@suse.cz>
471 PR rtl-optimization/28071
472 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
473 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
474 splitting before first stmt.
476 2006-07-24 Jan Hubicka <jh@suse.cz>
478 PR rtl-optimization/28071
479 * ipa-inline.c (update_caller_keys): Remove edges that
480 are no longer inline candidates.
482 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
485 * dbxout.c (output_used_types_helper, output_used_types): New.
486 (dbxout_symbol): Call output_used_types.
488 2006-07-23 Jan Hubicka <jh@suse.cz>
492 * cgraph.c (cgraph_varpool_nodes): Export.
493 (decide_is_variable_needed): Ignored "used" attribute in
495 * cgraph.h (cgraph_varpool_nodes): Declare.
496 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
499 2006-07-23 Roger Sayle <roger@eyesopen.com>
502 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
503 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
504 the __gthrw form of thr_keycreate.
505 (__gthread_key_delete): Silence the unused argument warning.
507 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
510 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
511 Cache the last found '\0' marker to avoid quadratic behavior.
513 2006-07-23 Jan Hubicka <jh@suse.cz>
515 * i386.md (subsi_3_zext): Fix output template.
517 2006-07-21 Mike Stump <mrs@apple.com>
519 * doc/invoke.texi (C++ Dialect Options): Note that
520 -fvisibility-inlines-hidden doesn't affect explicitly
521 instantiationed inline methods.
523 2006-07-20 Roger Sayle <roger@eyesopen.com>
525 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
526 if the target assembler is GNU binutils' gas.
527 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
528 whether to pass GNU gas or native as command line options.
530 2006-07-20 Jason Merrill <jason@redhat.com>
532 * tree.c (remove_attribute): New fn.
533 * tree.h: Declare it.
535 2006-07-20 Paul Brook <paul@codesourcery.com>
538 * cse.c (cse_insn): Add destination addresses to hash table. Check if
539 they are invalidated by this instruction.
541 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
544 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
546 2006-07-20 Eric Christopher <echristo@apple.com>
549 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
551 2006-07-19 Eric Christopher <echristo@apple.com>
553 * config/t-slibgcc-darwin (stmp-lipo): Remove.
554 Rewrite dependencies for libgcc_s.1.dylib.
556 2006-07-19 Jakub Jelinek <jakub@redhat.com>
558 * except.c (duplicate_eh_regions_1): Clear next_peer.
560 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
562 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
563 -mlongcall does not guarantee all calls will be long.
564 * doc/extend.texi (long_call/short_call): Document that longcall
565 does not guarantee a long call will be used.
566 (longcall/shortcall): Likewise.
568 2006-07-18 Roger Sayle <roger@eyesopen.com>
571 * expmed.c (expand_shift): Additionally check that the shift_cost
572 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
573 before implementing a LSHIFT_EXPR as a sequence of additions.
574 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
575 middle-end that DImode shifts need to be synthesized by expand.
577 2006-07-18 Diego Novillo <dnovillo@redhat.com>
580 * tree-ssa-operands.c (access_can_touch_variable): Update
582 Return true if ALIAS is .GLOBAL_VAR.
584 2006-07-18 David Daney <ddaney@avtrex.com>
586 * gcc.c (display_help): Fix typo in help text.
588 2006-07-18 Olivier Hainque <hainque@adacore.com>
590 * tree.h (categorize_ctor_elements): Adjust prototype and add
591 descriptive comment, both in accordance with the interface change
593 * varasm.c (constructor_static_from_elts_p): New function.
594 Whether a constructor node is a valid static constant initializer
595 if all its elements are.
596 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
597 * output.h: Declare it.
598 * expr.c (categorize_ctor_elements_1): Return whether the constructor
599 is a valid constant initializer instead of computing the number of
600 non-constant elements. Use constructor_static_from_elts_p for this
601 purpose. Replace the head comment with an indication that this is a
602 helper for categorize_ctor_elements.
603 (categorize_ctor_elements): Same interface change as for the _1
604 helper. Former head comment from this helper moved here, adjusted to
605 account for the interface changes.
606 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
607 (all_zeros_p): Likewise.
608 * gimplify.c (gimplify_init_constructor): Decide whether we can make
609 static versions of the constructor from the categorize_ctor_elements
610 return value instead of the formerly computed number of non-constant
613 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
615 * configure: Regenerate.
616 * Makefile.in (build_libsubdir): New configure substitution
617 (build_libobjdir): New variable.
618 (BUILD_LIBIBERTY): Use it.
620 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
623 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
625 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
628 * c-common.c (handle_weakref_attribute): Ignore attribute in
629 the same conditions the alias attribute is ignored.
631 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
633 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
634 (dbxout_begin_prologue): Increment scope_labelno.
636 2006-07-17 Richard Henderson <rth@redhat.com>
639 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
642 2006-07-17 Roger Sayle <roger@eyesopen.com>
643 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
645 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
646 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
647 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
648 functions such as sbrk, write, etc.. Add function prototypes.
649 Convert function declarations from K&R to ISO C. Cast pointers
650 to "long" and "unsigned long" instead of "int" and "unsigned int".
651 Convert tokens following #endif into comments.
653 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
655 * invoke.texi: Remove mention of f77; Reformat table for
656 inline parameter options correctly; mention that -malign-double
657 is default on x86-64 targets.
659 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
661 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
662 (convert_affine_scev, chrec_convert_aggressive): Use
663 avoid_arithmetics_in_type_p. Do not check for the subtypes
666 2006-07-17 Richard Sandiford <richard@codesourcery.com>
669 * optabs.c (expand_doubleword_shift): Wrap the call to
670 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
672 2006-07-17 Richard Sandiford <richard@codesourcery.com>
675 * optabs.c (expand_binop): Pass next_methods rather than methods
676 to expand_doubleword_shift.
678 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
681 * tree.h (dump_addr): Declare.
682 * print-tree.c (dump_addr): New function.
683 (print_node_brief, print_node): Use it.
684 * print-rtl.c (print_rtx): Likewise.
685 * common.opt (-fdump-noaddr): New option.
686 * doc/invoke.texi (-fdump-noaddr): Document.
687 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
688 (ve_info_hash): Likewise.
690 2006-07-13 Andrew Haley <aph@redhat.com>
692 PR tree-optimization/19505
693 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
694 edge leaving this block, make sure that the destination of this
695 block has only one predecessor.
697 2006-07-17 Richard Guenther <rguenther@suse.de>
699 PR tree-optimization/28238
700 * tree-inline.c (copy_bb): Check if we produced valid
701 gimple copying and substituting a stmt. If not, gimplify
704 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
706 * optabs.c (maybe_encapsulate_block): New function extracted from...
707 (emit_libcall_block): ...here. Invoke it on the block of insns to
708 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
709 (emit_no_conflict_block): Likewise.
711 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
713 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
715 2006-07-15 Roger Sayle <roger@eyesopen.com>
717 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
718 a new NOP_EXPR case of the switch statement.
720 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
723 * stor-layout.c (place_field): Take the bit field with
724 an excessive size into account in the ms-bitfiled case.
727 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
728 the previous bit field.
730 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
733 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
735 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
737 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
738 signal frames correctly even when the signal was installed with
741 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
743 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
744 (dbxout_function_end): Use local label LFBB. Remove hook
746 (dbxout_source_line): Use local label LFBB.
747 (dbxout_block): Likewise.
748 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
749 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
750 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
753 2006-07-13 Janis Johnson <janis187@us.ibm.com>
755 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
757 2006-07-13 Jan Hubicka <jh@suse.cz>
759 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
761 * output.h (align_variable): Declare.
762 * varasm.c (align_variable): Export.
763 * value-prof.c (tree_value_profile_transformations): Recompute iterator
764 when basic block changed.
766 2006-07-13 Nick Clifton <nickc@redhat.com>
768 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
769 walking the LOG_LINKS chain.
771 2006-07-12 Geoffrey Keating <geoffk@apple.com>
773 * doc/invoke.texi (C++ Dialect Options): Explain difference
774 between -fvisibility-inlines-hidden and setting hidden
775 visibility explicitly.
777 2006-07-12 Eric Christopher <echristo@apple.com>
779 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
780 (stmp-lipo): Depend on libgcc.a.
782 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
784 * tree.c: Fix a comment typo.
786 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
788 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
790 (umulhisi3_r): Likewise.
792 2006-07-12 Paolo Carlini <pcarlini@suse.de>
795 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
796 x < 19, vs wchar_t support.
798 2006-07-12 Nick Clifton <nickc@redhat.com>
800 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
803 2006-07-12 Mike Stump <mrs@apple.com>
805 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
807 2006-07-10 Eric Christopher <echristo@apple.com>
809 * config/t-slibgcc-darwin: Rewrite.
811 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
814 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
817 2006-07-08 Matthias Klose <doko@debian.org>
819 * doc/sourcebuild.texi: Fix typo.
821 2006-07-07 Mike Stump <mrs@apple.com>
823 * toplev.c (process_options): Don't give -ffunction-sections may
824 affect debugging warning for Mach-O.
826 2006-07-07 James E Wilson <wilson@specifix.com>
828 * config/mips/mips.md (cpu): Add sb1a.
829 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
830 addition to sb1. Adjust comments to clarify SB-1A differences from
832 (ir_sb1a_load): New. Modify bypasses to use it.
833 (ir_sb1a_simple_alu): Likewise.
834 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
835 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
836 (mips_issue_rate): Add PROCESSOR_SB1A.
837 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
838 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
839 (TARGET_SB1): Add PROCESSOR_SB1A check.
840 (TUNE_SB1): Likewise.
842 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
843 * config/mips/mips.c (mips_store_data_bypass_p): New.
844 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
847 2006-07-08 Paul Brook <paul@codesourcery.com>
850 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
852 2006-07-07 Richard Guenther <rguenther@suse.de>
855 * tree.h (build_one_cst): Declare.
856 * tree.c (build_one_cst): New function.
857 * tree-ssa-math-opts.c (get_constant_one): Remove.
858 (insert_reciprocals): Use build_one_cst.
859 * fold-const.c (fold_plusminus_mult): Likewise.
861 2006-07-07 Roger Sayle <roger@eyesopen.com>
863 * pointer-set.c (pointer_set_destroy): Correct whitespace.
864 * cfgloopanal.c (dump_graph): Likewise.
865 * dojump.c (discard_pending_stack_adjust): Likewise.
866 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
868 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
869 * function.c (finalize_block_changes): Likewise.
870 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
871 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
872 * rtl.c (dump_rtx_statistics): Likewise.
873 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
875 * varray.c (dump_varray_statistics): Likewise.
876 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
877 decode_decimal64, encode_decimal128, decode_decimal128,
878 decimal_real_to_decimal): Likewise.
880 2006-07-07 Richard Guenther <rguenther@suse.de>
882 PR tree-optimization/28187
883 * tree-vrp.c (vrp_operand_equal_p): New function.
884 (vrp_bitmap_equal_p): Likewise.
885 (update_value_range): Use them to compare old and new
888 2006-07-06 Roger Sayle <roger@eyesopen.com>
890 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
891 a default case to switch statement to silence compiler warnings.
893 2006-07-06 Roger Sayle <roger@eyesopen.com>
896 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
897 the configured assembler supports the x87's ffreep mnemonic.
898 * configure: Regenerate.
899 * config.in: Regenerate.
901 * config/i386/i386.c (output_387_ffreep): New function.
902 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
903 (output_387_reg_move): Likewise.
905 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
907 Port to hosts whose 'sort' and 'tail' implementations
908 treat operands with leading '+' as file names, as POSIX
909 has required since 2001. However, make sure the code still
910 works on pre-POSIX hosts.
911 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
912 which says you should use "tail -c +N" rather than "tail +Nc".
913 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
915 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
917 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
920 2006-07-06 David Edelsohn <edelsohn@gnu.org>
923 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
924 PRE_{INC,DEC} of TFmode.
926 2006-07-06 David Edelsohn <edelsohn@gnu.org>
927 Alan Modra <amodra@bigpond.net.au>
930 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
933 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
936 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
937 Remove duplicate gtu.
939 2006-07-05 Jason Merrill <jason@redhat.com>
943 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
944 * c-common.c (handle_packed_attribute): So don't copy it here.
945 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
947 2006-07-05 Mike Stump <mrs@apple.com>
949 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
951 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
954 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
956 2006-07-05 Richard Guenther <rguenther@suse.de>
959 * config/i386/i386.md (*negdf2_1): Restrict pattern to
960 TARGET_SSE2 targets if using SSE math.
961 (*absdf2_1): Likewise.
963 2006-07-05 Richard Guenther <rguenther@suse.de>
965 PR tree-optimization/28162
966 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
967 make sure to convert the operands to the correct type.
969 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
971 PR tree-optimization/28218
973 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
974 to calculate and free the dominator information.
976 2006-07-04 Peter O'Gorman <peter@pogma.com>
978 * mklibgcc.in: chmod 644 before ranlib during install.
980 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
981 J"orn Rennecke <joern.rennecke@st.com>
983 * configure.ac (.eh_frame data check): Use diff -b.
985 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
988 * Makefile.in (BUILD_RTL): Add build/vec.o.
989 (build/gencondmd.o): Filter out -fkeep-inline-functions.
990 (build/genextract): Delete.
991 (build/genautomata): Likewise.
993 2006-07-04 Alan Modra <amodra@bigpond.net.au>
996 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
997 128-bit IBM long doubles for ABI_V4.
999 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1001 * tree.c (range_in_array_bounds_p): New predicate.
1002 * tree.h (range_in_array_bounds_p): Declare it.
1003 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1004 return a less conservative answer.
1005 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1006 and flag 'is_group'.
1007 (IS_ELEMENT_FOR_GROUP): New macro.
1008 (FOR_EACH_ACTUAL_CHILD): Likewise.
1009 (next_child_for_group): New helper function.
1010 (can_completely_scalarize_p): Take into account groups.
1011 (sra_hash_tree): Handle RANGE_EXPR.
1012 (sra_elt_eq): Likewise.
1013 (lookup_element): Be prepared for handling groups.
1014 (is_valid_const_index): Delete.
1015 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1016 instead of is_valid_const_index.
1017 <ARRAY_RANGE_REF>: New case.
1018 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1019 is_valid_const_index.
1020 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1021 (scan_dump): Dump info for groups too.
1022 (decide_instantiation_1): Likewise.
1023 (decide_block_copy): Assert that the element is not a group.
1024 Propagate decision to groups.
1025 (generate_one_element_ref): Handle RANGE_EXPR.
1026 (mark_no_warning): Iterate over actual childs.
1027 (generate_copy_inout): Likewise.
1028 (generate_element_copy): Likewise.
1029 (generate_element_zero): Likewise.
1030 (generate_element_init_1): Likewise.
1031 (dump_sra_elt_name): Handle RANGE_EXPR.
1033 2006-07-03 Roger Sayle <roger@eyesopen.com>
1035 PR tree-optimization/26251
1036 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1037 (thread_block): When optimizing for size refuse to thread jumps
1038 that would require duplication of blocks other than redirection
1041 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1043 * configure.ac: Fix thinko in previous check-in.
1044 * configure: Regenerate.
1046 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1049 * configure.ac (for lang...): Simplify nesting of conditionals.
1050 Test subdir_requires for non-enabled languages. Move processing
1051 of lang_opt_files and lang_tree_fiels below that test.
1052 * configure: Regenerate.
1053 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1055 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1057 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1059 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1061 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1064 2006-06-29 Jason Merrill <jason@redhat.com>
1071 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1072 * c-common.c (c_determine_visibility): Handle it here.
1073 * c-decl.c (finish_decl): Call c_determine_visibility for
1075 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1077 * varasm.c (default_assemble_visibility): Likewise.
1078 * c-common.c (handle_visibility_attribute): Complain about trying
1079 to give visibility to an already defined class, or trying to change
1080 declared visibility. Always attach the attribute.
1085 * attribs.c (decl_attributes): Ignore type-in-place attributes
1086 once the type has been defined.
1088 2006-06-29 Roger Sayle <roger@eyesopen.com>
1091 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1092 to indicate the cpplib has issued an error message for us.
1094 2006-06-29 Asher Langton <langton2@llnl.gov>
1097 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1098 insert a label at the end of an function under Mach-O.
1100 2006-06-29 Eric Christopher <echristo@apple.com>
1101 Evan Cheng <evan.cheng@apple.com>
1103 * predicates.md (vector_all_ones_operand): New.
1104 (nonimmediate_or_sse_const_operand): Ditto.
1105 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1106 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1107 (standard_sse_mode_p): Ditto.
1108 (standard_sse_constant_p): Add case for -1 vector.
1109 (ix86_expand_vector_move): Try to use.
1110 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1111 Call standard_sse_constant_opcode.
1112 (*movv4sf_internal): Ditto.
1113 (*movv2df_internal): Ditto.
1115 2006-06-29 Roger Sayle <roger@eyesopen.com>
1117 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1118 of XEXP to extract the operands of a MATCH_CODE rtx.
1120 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1122 * tree.c (tree_size): Do not waste tail padding in
1123 struct tree_string and make the size be the same as
1124 build_string will generate.
1126 2006-06-28 Jason Merrill <jason@redhat.com>
1129 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1130 may_aliases already in the tag's annotations to the bitmap.
1132 2006-06-28 Roger Sayle <roger@eyesopen.com>
1134 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1136 2006-06-28 Roger Sayle <roger@eyesopen.com>
1138 * genpreds.c (generate_switch_p): New function.
1139 (add_mode_tests): Push the new mode test down inside an AND expr
1140 if this allows the switch-suitable MATCH_CODE to be near the root.
1141 (write_match_code_switch): New function to write a MATCH_CODE as
1143 (write_predicate_stmts): New function to write a predicate RTX
1144 expression as a sequence of statements.
1145 (write_one_predicate_function): Use write_predicate_stmts.
1146 (write_tm_constrs_h): Likewise.
1148 2006-06-26 Fred Fish <fnf@specifix.com>
1150 * config/mips/t-sb1: New file.
1151 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1154 2006-06-26 DJ Delorie <dj@redhat.com>
1156 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1158 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1159 Jayant Sonar <jayants@kpitcummins.com>
1160 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1162 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1163 (subsi3, subsi3_1, subsi3_2): New.
1164 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1165 * config/m32c/mov.md (SI mov peephole): New.
1166 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1167 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1169 2006-06-26 Olivier Hainque <hainque@adacore.com>
1171 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1172 a CALL_EXPR target function declaration.
1174 2006-06-26 Richard Guenther <rguenther@suse.de>
1176 * tree.c (build_string): Do not waste tail padding in
1179 2006-06-26 Richard Guenther <rguenther@suse.de>
1181 * ggc-page.c (init_ggc): Add missing element to size_lookup
1185 2006-06-23 Richard Guenther <rguenther@suse.de>
1187 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1188 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1189 alignment requests instead. Add verification code.
1190 Add struct tree_function_decl and struct tree_binfo size to
1191 extra_order_size_table. Add missing element to size_lookup
1194 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1197 * fold-const.c (const_binop): Be prepared for self returning zero.
1198 Simplify code handling complex values.
1200 2006-06-24 Olivier Hainque <hainque@adacore.com>
1202 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1203 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1206 2006-06-24 Olivier Hainque <hainque@adacore.com>
1208 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1209 ARRAY_REF, so have the callback called for the low bound expression.
1211 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1213 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1214 * c-typeck.c (c_common_type): Disallow operations on decimal float
1215 types and other float types.
1216 * convert.c (convert_to_real): Don't ignore conversions involving
1217 decimal float types.
1219 2006-06-23 Olivier Hainque <hainque@adacore.com>
1221 * tree.c (max_int_size_in_bytes): New function, inspired from
1222 code in function.c:assign_temp.
1223 * tree.h (max_int_size_in_bytes): Declare.
1224 * function.c (assign_temp): Use it.
1225 * gimplify.c (create_tmp_var): Relax the assertions on the type
1226 properties, not mandating constant size any more.
1227 (force_constant_size): New static function.
1228 (gimple_add_tmp_var): Use it, forcing variable size to a
1229 constant upper bound if it is not constant on entry.
1231 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1234 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1235 for initialization and setting of one_only flag to ...
1236 (i386_pe_encode_section_info): ...here.
1237 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1238 Recheck that the symbol has not been defined.
1240 2006-06-23 Richard Guenther <rguenther@suse.de>
1242 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1243 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1244 alignment requests instead. Add verification code.
1245 Add struct tree_function_decl and struct tree_binfo size to
1246 extra_order_size_table. Add missing element to size_lookup
1249 2006-06-22 Roger Sayle <roger@eyesopen.com>
1250 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1253 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1254 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1256 2006-06-23 Ben Elliston <bje@au.ibm.com>
1258 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1259 negate dn -- manipulate it directly.
1261 2006-06-22 Roger Sayle <roger@eyesopen.com>
1262 Steven Bosscher <stevenb.gcc@gmail.com>
1265 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1266 generated by gen_move_insn to add REG_LABEL notes if necessary.
1268 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1270 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1271 (leaf_entry): Remove use of MIN_ESA.
1273 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1275 PR rtl-optimization/28121
1276 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1279 2006-06-21 DJ Delorie <dj@redhat.com>
1281 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1283 (mulhisi3_r): Likewise.
1285 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1288 * coverage.c (coverage_counter_alloc): Leave the index type
1290 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1293 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1295 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1296 section from the "Options for Code Generation Conventions".
1298 2006-06-21 Richard Henderson <rth@redhat.com>
1302 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1304 (global_symbolic_operand): Allow weak symbols, even if local_p.
1306 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1308 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1309 (find_interesting_uses_address): Punt if above function returns true.
1311 2006-06-21 Richard Guenther <rguenther@suse.de>
1313 * configure: Regenerated.
1315 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1317 * config/mips/mips.c (function_arg): Where one part of a
1318 complex argument is in registers and the other part in the stack,
1319 return a REG not a PARALLEL.
1321 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1323 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1324 when cross-compiling. Do not substitute libstdcxx_incdir.
1325 * configure: Regenerated.
1327 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1329 * varasm.c (mergeable_string_section): Check for embedded NULs and
1330 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1331 rather than TREE_STRING_LENGTH bytes.
1333 2006-06-21 Richard Guenther <rguenther@suse.de>
1335 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1336 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1339 2006-06-21 Richrad Guenther <rguenther@suse.de>
1341 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1342 Limit iteration over the dominators.
1344 2006-06-20 Roger Sayle <roger@eyesopen.com>
1346 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1347 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1349 2006-06-20 Richard Guenther <rguenther@suse.de>
1350 Michael Matz <matz@suse.de>
1352 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1354 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1355 * et-forest.h (et_free_pools): Prototype new function.
1356 * et-forest.c (et_free_tree_force): Free parent occurrence.
1357 (et_free_pools): New function.
1358 * dominance.c (free_dominance_info): Free et-forest alloc
1361 2006-06-20 Roger Sayle <roger@eyesopen.com>
1363 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1364 integer modes, attempt to directly construct an integer constant.
1366 * fold-const.c (native_encode_vector): Determine the size of each
1367 element from the vector type instead of the first vector element.
1369 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1370 if all of its elements/components are constant.
1371 (build_constructor_from_list): Likewise.
1373 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1375 PR tree-optimization/27331
1376 * tree-data-ref.c (free_data_ref): New function.
1377 (create_data_ref): Fail if the data reference has unknown access
1379 (free_data_refs): Use free_data_ref.
1381 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1384 * tree-inline.c (setup_one_parameter): Strip useless
1385 type conversion before adding it to the IR.
1386 (declare_return_variable): Likewise.
1388 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1391 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1393 2006-06-19 Mike Stump <mrs@apple.com>
1395 * tree.c (variably_modified_type_p): VM arguments don't make the
1398 2006-06-19 Richard Guenther <rguenther@suse.de>
1400 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1401 type conversions after folding.
1403 2006-06-19 Richard Guenther <rguenther@suse.de>
1405 * ggc-page.c (extra_order_size_tab): Add entries with
1406 size of struct function and basic_block.
1407 (size_lookup): Extend to cover sizes up to 511.
1408 (ggc_alloc_stat): Adjust user.
1409 (ggc_pch_count_object): Likewise.
1410 (ggc_pch_alloc_object): Likewise.
1411 (ggc_pch_write_object): Likewise.
1413 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1415 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1416 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1419 2006-06-19 Denis Chertykov <denisc@overta.ru>
1421 * config/avr/libgcc.S : Correct my wrong previous commit.
1423 2006-06-19 Roger Sayle <roger@eyesopen.com>
1426 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1427 have stripped a SUBREG from the shift count, so we may need to
1428 convert_to_mode back to the type's mode before calling make_tree.
1429 Use new_amount instead of amount to avoid expanding a tree twice.
1431 2006-06-19 Richard Guenther <rguenther@suse.de>
1434 * fold-const.c (operand_equal_p): Check if the argument types
1435 have the same precision before stripping NOPs.
1437 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1439 Fix PR tree-optimization/27341
1440 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1442 * tree-complex.c (pass_lower_complex): Update SMT usage.
1444 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1446 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1447 Add a new alternative to the constraint strings. Add move of
1448 operand 1 to 3 to the splitter definition.
1449 ("doloop_si_long"): Second contraint alternative removed.
1451 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1453 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1454 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1456 (AVR_HAVE_MOVW) Define.
1457 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1458 (ASM_SPEC): Add avr25.
1459 (LINK_SPEC): Add avr25.
1460 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1461 (base_arch_s): Add new member 'have_movw_lpmx'.
1462 (avr_arch_types): Init 'have_movw_lpmx'.
1463 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1464 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1465 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1466 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1467 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1469 (avr_file_start): Do not output '.arh' derective.
1470 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1471 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1472 * config/avr/avr.md (mcu_enhanced): Delete.
1473 (mcu_have_movw): Define.
1474 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1475 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1476 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1477 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1478 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1479 attiny861 and at86rf401 devices.
1481 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1483 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1486 2006-06-17 Karl Berry <karl@gnu.org>
1488 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1489 doc/gccint.texi, doc/install.texi (@dircategory): Use
1490 "Software development" instead of "Programming", following
1491 the Free Software Directory.
1493 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1495 * config/i386/i386.c (legitimate_tls_address)
1496 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1497 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1498 (*tls_dynamic_gnu2_combine_64): Likewise.
1500 2006-06-16 Richard Guenther <rguenther@suse.de>
1503 * fold-const.c (negate_expr_p): Do not introduce undefined
1504 overflow in negating INTEGER_CSTs.
1505 (fold_negate_expr): Rename from negate_expr. Revert last
1506 change for folding BIT_NOT_EXPR. Change semantics to
1507 return NULL_TREE for non-simplified negations. Do not
1508 strip type conversions and unify type handling.
1509 (negate_expr): New function, wrap around fold_negate_expr
1510 but ensure building a tree always. Strip type conversions
1511 here, fold to result type.
1512 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1514 2006-06-16 Roger Sayle <roger@eyesopen.com>
1517 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1518 that (would) return their results in stack registers.
1520 2006-06-16 Michael Matz <matz@suse.de>
1521 Richard Guenther <rguenther@suse.de>
1523 * fold-const.c (fold_truthop): Only return new tree node if
1524 we canonicalized something.
1526 2006-06-16 Richard Guenther <rguenther@suse.de>
1528 * function.h (enum function_frequency): Move declaration
1529 out of struct function.
1530 (struct function): Move bool fields and the enum to the bitfield
1531 section. Reorder elements to avoid padding. Remove unused
1532 fields left over from the RTL inliner removal.
1533 * function.c (free_after_compilation): Do not zero removed fields.
1534 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1535 (ipa-type-escape.o): Likewise.
1537 2006-06-16 Richard Guenther <rguenther@suse.de>
1539 * cgraph.h (struct cgraph_local_info): Turn bool elements
1541 (struct cgraph_node): Likewise.
1542 (struct cgraph_varpool_node): Likewise.
1544 2006-06-15 Richard Guenther <rguenther@suse.de>
1546 * fold-const.c (fold_truth_not_expr): Rename from
1547 invert_truthvalue. Give it fold_* semantics to avoid
1549 (invert_truthvalue): New function. Wrapper around
1550 fold_truth_not_expr.
1551 (optimize_minmax_comparison): Avoid creating garbage.
1552 (fold_unary): Use fold_truth_not_expr for folding
1554 (fold_ternary): Replace uses of invert_truthvalue with
1555 fold_truth_not_expr where applicable.
1556 * tree.h (fold_truth_not_expr): Prototype.
1558 2006-06-16 Richard Guenther <rguenther@suse.de>
1560 PR tree-optimization/27781
1561 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1562 * ipa-pure-const.c (target.h): Include.
1563 (analyze_function): Do not analyze functions that do not
1566 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1569 * tree-dfa.c (referenced_vars_dup_list): Remove.
1570 (find_referenced_vars): Remove assert.
1571 (referenced_var_check_and_insert): Replace dup list with assert.
1572 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1573 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1575 2006-06-15 Richard Guenther <rguenther@suse.de>
1577 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1578 extra unused identifiers if not dumping.
1579 (create_variable_info_for): Likewise.
1581 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1583 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1584 (derive_constant_upper_bound): Derive more precise upper bound in
1585 common cases. Return type changed to double_int.
1586 (record_estimate): Reflect the changed return type of
1587 derive_constant_upper_bound.
1588 * double-int.c (double_int_zext, double_int_sext): Fix.
1590 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1592 * configure.ac (CFLAGS): Get them from the toplevel or from the
1593 configure invocation.
1594 * configure: Regenerate.
1595 * Makefile.in (CFLAGS): Substitute value provided by configure.
1597 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1600 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1601 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1602 rather than calling add_stmt on it.
1603 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1605 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1608 * reload1.c (reload): Remove registers returned by update_eliminables
1609 from used_spill_regs.
1611 2006-06-13 DJ Delorie <dj@redhat.com>
1613 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1615 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1617 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1618 html__strip_dir, html__mkdir_p. Enhance install-html target.
1619 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1620 * configure: Regenerate.
1622 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1624 * fold-const.c (fold_cond_expr_with_comparison): Check for
1625 Objective-C++ as language in deciding COND_EXPR transformation.
1627 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1630 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1631 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1632 * config/sh/lib1funcs.h (SL, SL1): Define.
1633 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1634 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1635 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1636 (OBJS_Os_4_200): New variable.
1637 ($(T)libgcc-Os-4-200.a): Use it.
1638 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1639 when dividing 1 and/or by 0.
1641 2006-06-13 Roger Sayle <roger@eyesopen.com>
1643 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1644 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1645 * configure: Regenerate.
1647 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1649 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1650 for real instruction.
1652 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1655 * haifa-sched.c (check_cfg): Handle special case.
1657 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1660 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1661 Add debug_info parameter. Chain the vars to the BLOCK instead
1662 of the BIND_EXPR if debug info are requested for them.
1663 (pop_gimplify_context): Adjust for above change.
1664 (gimple_add_tmp_var): Likewise.
1665 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1667 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1668 (convert_local_reference): Likewise.
1669 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1670 (finalize_nesting_tree_1): Request that debug info be emitted
1671 for debug_var_chain.
1673 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1675 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1676 for PR target/27863.
1678 2006-06-13 Richard Guenther <rguenther@suse.de>
1681 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1683 2006-06-13 Richard Guenther <rguenther@suse.de>
1685 PR tree-optimization/27830
1686 * tree-inline.c (copy_body_r): For copying the operand
1687 of an ADDR_EXPR make sure to fold &* afterwards.
1689 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1691 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1692 lvalues in the fb_none case with side-effects.
1694 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1696 * tree-flow.h: Remove the prototype for
1697 compute_phi_arg_on_exit.
1698 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1699 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1702 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1704 * builtins.c (expand_builtin_return_addr): Only use
1705 frame_pointer_rtx when count == 0 and we are expanding
1706 __builtin_return_address.
1708 2006-06-12 Fred Fish <fnf@specifix.com>
1710 * config/mips/mips.c (mips_file_start): Create special section
1711 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1713 2006-06-11 Eric Christopher <echristo@apple.com>
1716 * stor-layout.c (place_field): Remove check for
1717 remaining_in_alignment when aligning at the end of a run.
1719 2006-06-11 Eric Christopher <echristo@apple.com>
1722 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1725 2006-06-11 Roger Sayle <roger@eyesopen.com>
1728 Revert incorrect fix for PR target/27158
1729 2006-05-08 Roger Sayle <roger@eyesopen.com>
1730 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1731 of a reg_equiv_constant if the result is a legitimate constant.
1733 2006-06-11 Roger Sayle <roger@eyesopen.com>
1736 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1737 extract a CONST_VECTOR element and interpret it as an integer.
1738 (vspltis_constant): Use const_vector_elt_as_int instead of the
1739 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1740 * config/rs6000/predicates.md (easy_vector_const): Consider
1741 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1743 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1746 * stor-layout.c (update_alignment_for_field): Don't add extra
1747 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1750 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1752 * config/mips/t-rtems: Add EL/EB multilib variants.
1754 2006-06-09 Mike Stump <mrs@apple.com>
1756 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1758 2006-06-09 David Daney <ddaney@avtrex.com>
1760 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1762 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1764 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1766 2006-06-09 Richard Guenther <rguenther@suse.de>
1768 PR tree-optimization/26998
1769 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1770 of signed types, only TYPE_MIN_VALUE is special, but for both,
1771 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1772 in this case, as is -fwrapv.
1774 2006-06-08 Mike Stump <mrs@apple.com>
1777 * config/darwin.c (darwin_asm_output_anchor): Disable
1778 -fsection-anchors on darwin for now.
1779 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1780 * rs6000/rs6000.c (optimization_options): Likewise.
1782 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1785 * config/i386/i386.c (classify_argument): Skip fields with invalid
1788 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1790 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1791 (cse_insn): Likewise for the stack_pointer_rtx.
1793 2006-06-08 Roger Sayle <roger@eyesopen.com>
1795 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1796 conditions from floating point comparisons.
1798 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1801 * expmed.c (struct alg_hash_entry): Fix type of field T
1802 to match synth_mult argument.
1803 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1805 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1808 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1811 2006-06-08 Richard Guenther <rguenther@suse.de>
1814 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1815 only, if overflow is defined and not trapping.
1816 (negate_expr): Likewise.
1818 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1820 PR tree-optimization/27872
1821 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1822 flag on the new exit edge of the unrolled loop.
1824 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1826 PR rtl-optimization/26449
1827 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1829 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1832 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1833 referenced_variables with matching DECL_UID's.
1834 (find_referenced_vars): Make sure duplicate list is empty to start.
1835 (referenced_var_p): Remove.
1836 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1837 Check if var is in the list, and add if needed. Update the duplicate
1838 list if a different var is in the list with the same DECL_UID.
1839 (add_referenced_var): Call routine to check and insert.
1840 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1841 * tree-flow.h (referenced_vars_dup_list): External declaration.
1843 2006-06-07 Fred Fish <fnf@specifix.com>
1845 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1848 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1851 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1852 the imaginary and real parts of a clobbered register.
1853 Emit insn to set the imaginary part.
1855 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1857 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1858 in lieu of unwind-dw2-fde.c.
1860 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1862 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1864 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1867 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1868 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1869 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1870 V4SImode temporaries and operations instead.
1872 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1874 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1877 2006-06-06 Mike Stump <mrs@apple.com>
1879 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1880 installing during build.
1882 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1884 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1886 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1887 * config/ia64/ia64.c (params.h): New header.
1888 (ia64_optimization_options): New function to adjust parameters.
1889 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1890 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1891 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1893 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1895 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1897 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1900 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1902 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1903 Victor Kaplansky <victork@il.ibm.com>
1905 PR tree-optimization/26360
1906 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1909 2006-06-04 Roger Sayle <roger@eyesopen.com>
1910 Andrew Pinski <pinskia@physics.uc.edu>
1913 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1914 for LABEL_DECL before calling DECL_WEAK.
1917 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1918 LABEL_DECL and PARM_DECL.
1920 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1924 * c-decl.c (grokdeclarator): Disallow variably modified types at
1925 file scope. Avoid marking shared array type of constant size as
1928 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1931 * c-common.c (fold_offsetof_1): Handle static members.
1933 2006-06-04 Eric Christopher <echristo@apple.com>
1935 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1936 (debug_rli): Output value for remaining_in_alignment.
1937 (update_alignment_for_field): Unconditionalize
1938 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1939 extra alignment code.
1940 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1941 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1942 * tree.h (record_layout_info_s): Remove prev_packed.
1943 * doc/extend.texi (ms_struct): Add documentation of format.
1945 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1947 * tree.h: Declare folding_initializer.
1948 * builtins.c (fold_builtin_constant_p): Give definite answer
1949 if folding inside an initializer.
1950 * fold-const.c: Define folding_initializer.
1951 (START_FOLD_INIT): Save and then set folding_initializer.
1952 (END_FOLD_INIT): Restore folding_initializer.
1954 2006-06-04 Richard Guenther <rguenther@suse.de>
1956 PR tree-optimization/27039
1957 * fold-const.c (fold_comparison): Handle pointer comparison
1958 again for all comparison codes. Compare offsets in signed
1960 (fold_binary): Move code from here.
1962 2006-06-03 Roger Sayle <roger@eyesopen.com>
1965 * config/i386/i386.c (construct_container): Split static issued_error
1966 flag into issued_sse_arg_error, issued_sse_ret_error and
1967 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1968 requires the use of x87 registers and the user explicitly
1969 specified the -mno-80387 command line option.
1971 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1973 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1974 HAVE_DECL_SIGALTSTACK.
1976 (segv_handler): Use MC_FLD.
1977 * configure.ac: Check for a sigaltstack declaration.
1978 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1979 * configure: Regenerate.
1980 * config.in: Regenerate.
1982 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1985 * Makefile.in (stmp-fixinc): Fix typo.
1987 2006-06-02 Roger Sayle <roger@eyesopen.com>
1989 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1990 are type correct. Clean-up.
1991 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1992 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1994 2006-06-01 DJ Delorie <dj@redhat.com>
1996 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1997 shift, as we've disabled the "switch" insn that needs it.
1999 2006-06-01 Per Bothner <bothner@bothner.com>
2001 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2002 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2003 * c-ppoutput.c (cb_define): Don't increment line 0.
2005 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2007 * doc/invoke.texi: Add cpu_type power6.
2008 * config.gcc: Add cpu_type power6.
2009 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2010 to power5+ with Altivec.
2011 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2012 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2014 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2016 * config/avr/avr.h (SET_ASM_OP): Define.
2018 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2020 * config/bfin/bfin.c: Fix comment typos.
2022 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2025 * doc/install.texi: Document --enable-bootstrap and
2026 --disable-bootstrap.
2028 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2030 * doc/install.texi: Document that InfoZIP can replace jar.
2032 2006-05-31 Roger Sayle <roger@eyesopen.com>
2034 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2035 isn't available, directly generate the simpler x87 patterns without
2036 the (use (const_int 0)).
2037 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2038 implementation isn't available.
2039 (*negdf2_1): Likewise.
2040 (*negxf2_1): XF mode negation is always done using the x87.
2041 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2043 2006-05-31 Roger Sayle <roger@eyesopen.com>
2045 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2046 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2048 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2050 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2052 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2053 * config/bfin/bfin.c (basic-block.h): Include.
2054 (struct machine_function): New.
2055 (bfin_init_machine_status): New.
2056 (override_options): Initialize init_machine_status.
2057 (bfin_hardware_loop): New.
2058 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2059 (DEF_VEC_P (loop_info)): New.
2060 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2061 (struct loop_info): New.
2062 (loop_info): New typedef.
2063 (struct loop_work): New.
2064 (loop_work): New typedef.
2065 (DEF_VEC_O (loop_work)): New.
2066 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2067 (bfin_dump_loops): New.
2068 (bfin_bb_in_loop): New.
2069 (bfin_scan_loop): New.
2070 (bfin_optimize_loop): New.
2071 (bfin_reorg_loops): New.
2072 (bfin_reorg): Use bfin_reorg_loops.
2073 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2075 (I_REGNO_P): Simplify.
2076 (DP_REGNO_P, DPREG_P): New macros.
2077 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2078 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2079 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2080 Add LT_REGS, LC_REGS, LB_REGS.
2081 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2083 (REGNO_REG_CLASS): Deal with loop registers.
2084 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2086 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2087 New constants for loop registers.
2088 (UNSPEC_LSETUP_END): New.
2089 (seq_insns): New define_attr. Set it for appropriate insns.
2090 (movsi_insn): Add alternatives for move from/to
2091 loop count registers.
2092 (doloop_end): New define_expand.
2093 (loop_end): New define_insn.
2094 (define_split for bad doloop_end): New.
2095 (lsetup_with_autoinit): New define_insn.
2096 (lsetup_without_autoinit): New define_insn.
2097 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2098 * config/bfin/predicates.md (lc_register_operand): New.
2099 (lt_register_operand): New.
2100 (lb_register_operand): New.
2101 (nondp_register_operand): New.
2102 (nondp_reg_or_memory_operand): New.
2103 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2105 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2107 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2108 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2110 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2112 * Makefile.in (CATALOGS): Add po/ prefix.
2113 * configure: Regenerated.
2115 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2118 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2119 a shift operand before calling shift_op. Avoid redundant call of
2122 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2123 DJ Delorie <dj@redhat.com>
2125 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2126 we're inserting is a singlt-bit constant.
2128 2006-05-30 Roger Sayle <roger@eyesopen.com>
2130 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2131 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2133 2006-05-30 Roger Sayle <roger@eyesopen.com>
2135 PR tree-optimization/23452
2136 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2137 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2138 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2139 complex values and with -ffast-math for FP complex values.
2141 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2143 * c-common.h: Remove the prototype for yyparse.
2144 * rtl.h: Remove the prototype for init_loop.
2146 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2148 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2151 2006-05-30 Roger Sayle <roger@eyesopen.com>
2153 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2155 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2156 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2158 2006-05-30 Dirk Mueller <dmueller@suse.de>
2161 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2162 for CONSTANT_CLASS_P expresisons.
2164 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2167 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2169 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2171 PR tree-optimization/27779
2172 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2173 initial_condition instead of CHREC_LEFT.
2175 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2177 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2178 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2179 Make prototypes ISO C90.
2181 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2182 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2184 * see.c (see_analyze_one_def): Correct check.
2185 (see_get_extension_data): Check if extension is parallel.
2186 (see_get_extension_reg): Likewise.
2188 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2191 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2192 into register for (code == GTU).
2194 2006-05-29 Roger Sayle <roger@eyesopen.com>
2196 PR tree-optimization/24964
2197 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2198 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2199 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2200 abs(x)*abs(x) as x*x for scalar floating point modes.
2202 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2205 * lambda-code.c (perfect_nestify): Don't copy statements
2206 in the inner loop: move them to the inner loop header.
2208 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2211 * c-tree.texi: Document OpenMP directives and clauses.
2213 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2215 * varasm.c (globalize_decl): Fix indentation.
2217 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2220 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2221 pass_fre, pass_store_ccp, pass_copy_prop,
2222 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2223 pass_return_slot, pass_object_size, pass_lim,
2224 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2225 pass_loop_prefetch and pass_stdarg.
2227 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2229 * config/bfin/bfin.opt (mfdpic): New option.
2230 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2231 (EXTRA_MULTILIB_PARTS): Likewise.
2232 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2233 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2235 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2236 (CRT_CALL_STATIC_FUNCTION): New.
2237 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2239 (CRT_CALL_STATIC_FUNCTION): New.
2240 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2242 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2243 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2244 (initialize_trampoline): Changed to handle FD-PIC code generation.
2245 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2246 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2247 (override_options): Disallow -mid-shared-library -mfdpic combination.
2248 Can't do unaligned ops if FD-PIC.
2249 Turn off flag_pic if trying to generate non-id-shared-library
2250 non-fdpic code, since it's not supported.
2251 (bfin_assemble_integer): New function.
2252 (TARGET_ASM_INTEGER): Define.
2253 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2255 * config/bfin/crtn.s: Restore them.
2256 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2258 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2259 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2260 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2261 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2262 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2264 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2265 FDPIC_REGS and FDPIC_FPTR_REGS.
2266 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2267 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2268 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2269 (load_funcdescsi): New pattern.
2270 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2271 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2272 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2274 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2276 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2279 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2281 * tree-flow.h: Remove the prototype for add_type_alias.
2282 * tree-ssa-alias.c (add_type_alias): Remove.
2284 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2286 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2287 config/fr30/fr30.md, config/i386/i386-interix.h,
2288 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2289 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2290 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2291 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2292 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2293 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2294 Follow spelling conventions.
2295 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2296 Follow spelling conventions.
2298 2006-05-27 Richard Guenther <rguenther@suse.de>
2301 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2302 to produce a constant of value 1 of generic type.
2304 2006-05-27 Dirk Mueller <dmueller@suse.de>
2306 * cgraphunit.c (decide_is_function_needed): Fix wrong
2309 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2311 PR rtl-optimization/27661
2312 * reload.c (find_reloads): When reloading a VOIDmode constant
2313 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2314 use Pmode as mode of the reload register.
2316 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2318 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2319 is enabled at -O and above.
2321 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2324 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2327 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2330 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2331 for anonymous variables explicitly declared by front ends.
2333 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2335 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2336 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2337 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2338 ref-all pointers, run a finalization pass for them.
2339 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2340 (finalize_ref_all_pointers): New function.
2341 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2342 regular pointer type to a ref-all pointer type.
2343 (get_tmt_for): Return the special memory tag for ref-all pointers.
2345 2006-05-25 Richard Guenther <rguenther@suse.de>
2348 * fold-const.c (fold_binary): Do not look at the stripped
2349 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2351 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2353 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2354 for LT and GT if the computed range is effectively empty.
2356 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2359 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2360 mips_quad_format formats instead of ieee_single_format,
2361 ieee_double_format and ieee_quad_format formats, respectively.
2363 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2365 PR tree-optimization/27639
2366 PR tree-optimization/26719
2367 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2368 call to scev_probably_wraps_p.
2369 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2370 used_in_pointer_arithmetic_p, convert_step): Removed.
2371 (nowrap_type_p): New function.
2372 (scev_probably_wraps_p): Rewritten.
2373 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2374 chrec_convert if chrec_convert_aggressive might have been used.
2375 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2376 scev_direction): New functions.
2377 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2378 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2379 instead of convert_step.
2380 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2381 (convert_step): Declaration removed.
2382 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2384 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2386 * df-core.c: Added to header comments.
2387 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2388 df_ur_bb_info, df_urec_bb_info): Added comments.
2389 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2390 urec, ri problems): Fixed header comments.
2391 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2392 code from df_rd_transfer_function.
2394 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2396 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2397 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2398 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2400 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2402 * expr.c (undefined_operand_subword_p): New.
2403 (emit_move_multi_word): Do not generate move from undefined bits
2404 of a paradoxical subreg.
2406 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2408 PR rtl-optimization/27736
2409 * combine.c (replaced_rhs_value): New variable.
2410 (combine_instructions): Set it.
2411 (distribute_notes): When distributing a note in replaced_rhs_insn,
2412 check whether the value was used in replaced_rhs_value.
2414 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2417 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2418 add_referenced_var instead of add_referenced_tmp_var.
2419 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2420 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2422 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2423 tree_optimize_tail_calls_1): Use add_referenced_var.
2424 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2425 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2426 Use add_referenced_var.
2427 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2428 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2429 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2430 Use add_referenced_var.
2431 * tree-dfa.c (struct walk_state): Remove.
2432 (find_referenced_vars): Remove walk state and vars_found hash table.
2433 (make_rename_temp): Use add_referenced_var.
2434 (find_vars_r): Pass less parameters to add_referenced_var.
2435 (referenced_var_p): New. Is var in referenced_var hash table.
2436 (referenced_var_insert): Assert var isn't already in hash table.
2437 (add_referenced_var): Don't need walk_state parameter. Add var if it
2438 isn't already in the hash table.
2439 (add_referenced_tmp_var): Remove.
2440 (find_new_referenced_vars_1): Use add_referenced_var.
2441 * tree-ssa-pre.c (create_expression_by_pieces,
2442 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2443 Use add_referenced_var.
2444 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2445 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2446 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2448 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2449 vect_create_data_ref_ptr, vect_create_destination_var,
2450 vect_init_vector, vect_build_loop_niters,
2451 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2452 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2453 Use add_referenced_var.
2454 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2455 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2456 (add_referenced_var): Add prototype.
2457 * tree-ssa-structalias.c (get_constraint_for,
2458 intra_create_variable_infos): Use add_referenced_var.
2460 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2462 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2463 big-endian paradoxical subregs.
2464 * var-tracking.c (struct micro_operation_def): Document that,
2465 for modify micro operations, insn is the subsequent instruction.
2466 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2467 (var_reg_set, var_mem_set): ... new functions.
2468 (add_stores): Record subsequent insn.
2469 (compute_bb_dataflow): Use new functions for MO_USE.
2470 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2471 notes after the insn, and modify notes before the insn known
2472 to be the subsequent one.
2473 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2475 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2478 * config/i386/i386.c (ix86_expand_builtin): Use
2479 gen_sse3_monitor64 for TARGET_64BIT.
2481 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2483 PR rtl-optimization/26375
2484 PR rtl-optimization/26855
2485 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2487 (df_ru_bb_local_compute): Reversed statements and removed bogus
2488 comment explaining why they should be in wrong order.
2489 (df_ru_dump, df_rd_dump): Enhanced debug info.
2490 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2492 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2493 reaching uses and fixed space problem.
2495 2006-05-23 Jan Hubicka <jh@suse.cz>
2497 * cgraphunit.c (decide_is_function_needed): Also nested functions
2498 and functions declared inline can be optimized out at -O0.
2500 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2502 * doc/install.texi (Configuration): Remove reference to CrossGCC
2506 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2509 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2510 ix86_compare_emitted is non-NULL.
2512 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2515 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2518 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2520 PR rtl-optimization/25514
2521 * combine.c (replaced_rhs_insn): New variable.
2522 (combine_instructions): Set replaced_rhs_insn when trying to replace
2523 a SET_SRC with a REG_EQUAL note.
2524 (distribute_notes): Use replaced_rhs_insn when determining the live
2525 range of a REG_DEAD register.
2527 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2528 Anatoly Sokolov <aesok@post.ru>
2530 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2531 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2532 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2533 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2534 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2535 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2536 at90usb647, at90usb1286 and at90usb1287 devices.
2537 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2538 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2540 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2542 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2544 2006-05-22 Richard Guenther <rguenther@suse.de>
2547 2006-01-31 Richard Guenther <rguenther@suse.de>
2548 Paolo Bonzini <bonzini@gnu.org>
2550 * doc/install.texi (--disable-libgcc-math): Document.
2552 2006-05-22 Richard Guenther <rguenther@suse.de>
2555 2006-01-31 Richard Guenther <rguenther@suse.de>
2557 * doc/invoke.texi (-msselibm): Document.
2558 * target.h (expand_library_builtin): New target hook.
2559 * builtins.c (expand_builtin): Use expand_library_builtin.
2560 (default_expand_library_builtin): New function.
2561 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2562 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2563 (link_gcc_math_spec): Declare.
2564 (static_specs): Add link_gcc_math_spec.
2565 * expr.h (default_expand_library_builtin): Declare.
2566 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2567 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2568 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2569 * config/i386/i386.opt (msselibm): New target option.
2570 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2571 (ix86_init_sse_abi_builtins): New function.
2572 (ix86_expand_library_builtin): Likewise.
2573 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2574 (override_options): Handle error conditions wrt -msselibm.
2575 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2576 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2577 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2580 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2583 * c-common.c (self_promoting_args_p): Skip erroneous args.
2586 * c-decl.c (finish_struct): Skip erroneous fields.
2588 2006-05-22 Nick Clifton <nickc@redhat.com>
2590 * config/cris/cris.opt (march): Remove VarExists attribute.
2591 (max-stackframe=): Likewise.
2593 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2595 * doc/rtl.texi: Fix a typo.
2596 * see.c: Fix comment typos.
2598 * tree-ssa-structalias.h (alias_info): Remove num_references.
2600 2006-05-21 Mike Stump <mrs@apple.com>
2602 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2604 (darwin_pragma_options): Use BAD instead.
2605 (darwin_pragma_unused): Likewise.
2606 (darwin_pragma_ms_struct): Likewise.
2608 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2610 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2612 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2614 PR rtl-optimization/27671
2615 * simplify-rtx.c (simplify_relational_operation_1): Fix
2616 simplifications of (eq/ne (xor x y) y) and
2617 (eq/ne (xor x y) x).
2619 PR tree-optimization/26622.
2620 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2623 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2625 * tree-cfg.c: Prune whitespace.
2626 (debug_tree_cfg): Point to correct header containing the
2629 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2632 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2634 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2637 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2638 or sorry count is non zero.
2640 2006-05-20 Andreas Schwab <schwab@suse.de>
2642 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2644 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2645 Kenneth Zadeck <zadeck@naturalbridge.com>
2647 PR rtl-optimization/26855
2649 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2651 (df_scan_alloc): Added code to properly handle multiword hard
2652 registers and add all_blocks parameter.
2653 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2654 code to properly handle multiword hard registers.
2655 (df_rescan_blocks): Added code to remove deleted blocks from
2657 (df_ref_create_structure, df_ref_record): Added code to properly
2659 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2660 and set DF_REF_PARTIAL.
2661 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2662 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2663 (df_scan_add_problem): Added flags parameter.
2664 (df_ref_create_structure): Changed switching structure.
2665 (df_bb_refs_record): Fixed case where duplicate artificial refs
2666 were created. Changed location of flags.
2667 (df_record_entry_block_defs): Added code to make stack pointer
2668 live in entry block. Refined cases where frame pointer is needed.
2669 Changed location of flags.
2670 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2671 (df_set_state): Removed function.
2672 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2673 df_insn_create_insn_record, df_insn_refs_delete,
2674 df_ref_create_structure): Formatting changes.
2675 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2676 df_delete_basic_block): New function.
2677 (df_init): Changed location of flags.
2678 (df_add_problem): Added flags parameter and the way flags are
2680 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2681 debug_df_chain): Improved debugging output.
2682 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2683 (df_refs_chain_dump): Removed df parameter.
2684 (df_iterative_dataflow): Added consistency check.
2685 (df_prune_to_subcfg): Made public.
2686 (df_analyze_problem): Added blocks_to_init parameter and made
2688 (df_ref_record, df_bb_refs_record, df_mark_reg,
2689 df_record_exit_block_uses): Whitespace changes.
2690 (df_dump): Whitespace changes.
2691 * df.h: Some reordering to remove forward references.
2692 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2693 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2694 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2695 (dataflow.flags): New field.
2696 (df.flag): Deleted field.
2697 (df_alloc_function): Added additional bitmap parameter.
2698 (df_dependent_problem_function): New type.
2699 (df_problem.changeable_flags): New field.
2700 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2701 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2702 (df_mw_hardreg): New struct.
2703 (DF_INSN_UID_MWS): New macro.
2704 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2706 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2707 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2708 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2709 (df_set_state): Removed function.
2710 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2711 * df-problems.c (df_chain_dump): Removed df parameter.
2712 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2713 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2715 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2716 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2717 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2718 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2719 DF_REF_MUST_CLOBBER cases.
2720 (df_ru_bb_local_compute_process_def,
2721 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2722 df_lr_bb_local_compute, df_ur_bb_local_compute,
2723 df_chain_create_bb): Made subreg aware.
2724 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2725 df_lr_bb_local_compute, df_lr_bb_local_compute,
2726 df_chain_create_bb): Cleanup to use proper macros.
2727 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2728 code to fixup bitvectors.
2729 (df_ri_alloc): Cleared lifetime.
2730 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2731 df_create_unused_note): New function.
2732 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2733 REG_DEAD and REG_UNUSED notes as well as register information.
2734 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2735 df_chains_dump): Fixed crash if problem was never run.
2736 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2737 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2738 df_ri_add_problem): Processes flags in uniform manner.
2739 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2740 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2741 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2742 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2743 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2744 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2745 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2746 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2747 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2748 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2749 * see.c (see_initialize_data): Ditto.
2750 * final.c (rest_of_clean_state) Added regstack_completed.
2751 * rtl.h (regstack_completed): Ditto.
2752 * reg-stack.c (regstack_completed): Ditto.
2754 2006-05-19 Mike Stump <mrs@apple.com>
2756 * c-tree.h (default_conversion): Remove.
2757 * c-common.h (default_conversion): Add.
2759 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2761 * tree-vrp.c (valid_value_p): New function.
2762 (adjust_range_with_scev): Fail if the value of bound is not
2765 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2767 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2768 (mips_fallback_frame_state): Use syscall numbers to determine
2769 the appropriate li instruction for the current ABI. Only use
2770 __NR_sigreturn for o32.
2772 2006-05-19 Nicolas Setton <setton@adacore.com>
2774 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2775 * langhooks.c (lhd_dwarf_name): New function.
2776 * langhooks-def.h (lhd_dwarf_name): Declare.
2777 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2778 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2779 * ada/misc.c (gnat_dwarf_name): New function.
2780 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2782 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2784 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2786 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2787 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2788 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2789 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2790 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2791 determine the size of Wtype, etc.
2792 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2793 (swfloatfuncs): New variable.
2794 (dwfloatfuncs): Likewise.
2795 (lib2funcs): Remove floating-point conversion functions from
2796 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2797 the set of conversion routines needed. Allow entries to specify
2798 an object name, filename and word size. Update users accordingly.
2799 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2800 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2804 2006-02-08 Roger Sayle <roger@eyesopen.com>
2807 * config/fixtfdi.c: New libgcc source file.
2808 * config/fixunstfdi.c: New source file.
2809 * config/floatditf.c: New source file.
2810 * config/floatunditf.c: New souce file.
2811 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2812 files above instead of config/mips/_tilib.c.
2813 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2815 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2817 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2818 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2820 2006-05-18 Mike Stump <mrs@apple.com>
2822 Fix up vla, vm and [*] sematics.
2828 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2829 (c_vla_unspec_p): Add.
2830 (c_vla_type_p): Add.
2831 * c-decl.c (struct c_scope): Add had_vla_unspec.
2832 (build_array_declarator): Add support for [*].
2833 (grokdeclarator): Likewise.
2834 (grokparms): Likewise.
2835 (get_parm_info): Likewise.
2836 * c-objc-common.c (c_vla_unspec_p): Likewise.
2837 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2838 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2839 typeof when argument is a variably modified type not inside sizeof or alignof.
2840 (c_parser_direct_declarator_inner): Propagate errors.
2841 (c_parser_sizeof_expression): Add support for [*].
2842 (c_parser_parms_declarator): Initialize had_vla_unspec.
2843 (c_parser_parms_list_declarator): Likewise.
2844 * c-typeck.c (c_vla_type_p): Add.
2845 (composite_type): Add support for vla compositing.
2846 (comptypes_internal): Add support for vla compatibility.
2847 (c_expr_sizeof_expr): Evaluate vla arguments.
2848 * tree.c (variably_modified_type_p): Update comment for [*].
2850 2006-05-18 Michael Matz <matz@suse.de>
2853 * config.host: Make assignments to host_xmake_file cumulative.
2854 * config.host (*-darwin*): Test $host, not $target.
2856 2006-05-12 Stuart Hastings <stuart@apple.com>
2858 * config/i386/i386.opt (-mstackrealign): New flag.
2859 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2860 (ix86_handle_cconv_attribute): Emit error when
2861 force_align_arg_pointer attribute collides with too many regparms.
2862 (ix86_function_regparm): Limit regparms when used with
2863 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2864 Support stack-realigning prologue in non-main functions. Emit
2865 warning for nested functions under -mstackrealign, emit error for
2866 nested functions with force_align_arg_pointer attribute.
2867 * doc/extend.texi (force_align_arg_pointer): Document it.
2868 * doc/invoke.texi (-mstackrealign): Document it.
2870 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2872 PR rtl-optimization/27477
2873 * combine.c (try_combine): Don't split a parallel consisting
2874 of two sets into two individual sets if both sets reference
2877 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2879 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2880 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2882 * doc/options.texi (VarExists): Updated.
2884 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2886 * unwind-dw2.c: Add declarations for uw_update_context and
2888 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2889 detected, advance frame state and context once to skip over stub.
2891 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2895 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2896 Call rewrite_into_loop_closed_ssa only when something changed.
2897 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2898 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2899 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2900 Test for perfect_nest_p here. Fix formating.
2901 (replace_uses_equiv_to_x_with_y): Fix formating.
2902 (stmt_uses_op): Removed.
2903 (can_convert_to_perfect_nest): Removed loopivs parameter.
2904 Complete the test by checking the scalar dependences.
2905 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2908 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2911 From Dan Kegel <dank@kegel.com>:
2912 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2914 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2916 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2917 if the element type is variably modified without recursing.
2919 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2922 * tree-loop-linear.c (try_interchange_loops): Test for
2923 no data dependences.
2925 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2927 PR tree-optimization/27548
2928 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2929 range of ssa names that appear on abnormal edges.
2930 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2931 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2933 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2936 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2938 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2941 * tree.h (OMP_PARALLEL_COMBINED): Define.
2942 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2943 (new_omp_context): Add is_combined_parallel argument.
2944 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2945 new_omp_context caller.
2946 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2947 Adjust gimplify_scan_omp_clauses callers.
2948 (omp_is_private): Issue errors if iteration variable is firstprivate
2949 or reduction in the current context.
2950 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2951 on combined parallel workshare constructs.
2953 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2955 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2956 (gcc-options.o): New rule.
2958 * optc-gen.awk: Protect variables for gcc-options.o with
2959 #ifdef GCC_DRIVER/#endif.
2961 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2963 Fix PR tree-optimization/27373
2964 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2965 (forward_propagate_addr_expr): Update call.
2967 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2969 * doc/options.texi: Move the Negative option.
2971 2006-05-16 Richard Guenther <rguenther@suse.de>
2973 PR tree-optimization/22303
2974 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2976 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2977 ccp_fold did not simplify the statement.
2979 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2982 * Makefile.in (GCC_OBJS): New.
2983 (OBJS-common): Add opts-common.o.
2984 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2985 (cpp$(exeext)): Likewise.
2986 (gcc.o): Also depend on opts.h.
2987 (opts-common.o): New.
2989 * common.opt (gcoff): Add Negative(gdwarf-2).
2990 (gdwarf-2): Add Negative(gstabs).
2991 (gstabs): Add Negative(gstabs+).
2992 (gstabs+): Add Negative(gvms).
2993 (gvms): Add Negative(gxcoff).
2994 (gxcoff): Add Negative(gxcoff+).
2995 (gxcoff+): Add Negative(gcoff).
2996 * config/i386/i386.opt (m32): Add Negative(m64).
2997 (m64): Add Negative(m32).
2999 * doc/options.texi: Document the Negative option.
3001 * gcc.c: Include "opts.h".
3002 (main): Call prune_options after expandargv.
3004 * optc-gen.awk: Generate common declarations for all flag
3005 variables in options.c. Output the neg_index field.
3007 * opts.c (find_opt): Moved to ...
3008 * opts-common.c: Here. New file.
3010 * opts.h (cl_option): Add a neg_index field.
3012 (prune_options): Likewise.
3014 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3017 * omp-low.c (expand_omp_parallel): Don't assert
3018 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3019 instead search for it.
3022 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3025 2006-05-16 Andreas Schwab <schwab@suse.de>
3027 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3030 2006-05-15 Roger Sayle <roger@eyesopen.com>
3033 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3034 integer constants other than zero are only legitimate on TARGET_64BIT.
3035 <CONST_VECTOR> Only zero vectors are legitimate.
3036 (ix86_cannot_force_const_mem): Integral and vector constants can
3037 always be put in the constant pool.
3039 2006-05-16 DJ Delorie <dj@redhat.com>
3041 * crtstuff.c (__dso_handle): Set section from
3042 TARGET_LBIGCC_SDATA_SECTION if defined.
3043 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3044 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3046 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3049 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3052 2006-05-16 Ben Elliston <bje@au.ibm.com>
3054 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3056 2006-05-15 Per Bothner <per@bothner.com>
3058 * tree.c: (last_annotated_node): Use source_locus typedef.
3059 This permits bootstrapping with --enable-mapped-location.
3061 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3063 PR tree-optimization/26830
3064 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3065 (info_for_ssa_name, current_info_for_ssa_name_age,
3066 blocks_to_update): New variables.
3067 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3068 (clear_ssa_name_info, initialize_flags_in_bb,
3069 mark_block_for_update): New functions.
3070 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3071 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3072 prepare_def_site_for): Use mark_block_for_update.
3073 (mark_def_interesting): Assert that the processed block is marked in
3074 blocks_to_update. Do not take blocks argument.
3075 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3077 (rewrite_update_init_block, rewrite_update_stmt): Only process
3078 blocks with statements to rewrite.
3079 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3080 (update_ssa): Initialize and free blocks_to_update. Do not
3081 clear flags on statements. Do not use blocks bitmap.
3082 * tree.h (SSA_NAME_AUX): Removed.
3083 (struct tree_ssa_name): Removed aux field.
3084 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3086 2006-05-15 Richard Guenther <rguenther@suse.de>
3088 PR tree-optimization/27603
3089 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3090 Do computations in original type.
3092 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3094 * see.c: Code style changes such as redundant paranthesis,
3095 redundant intialization of local variables etc.
3096 (see_main): Declared now as static.
3097 * doc/invoke.texi: Update that -fsee is not enabled by
3100 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3102 * omp-low.c (check_omp_nesting_restrictions): New function.
3103 (scan_omp_1): Call it.
3106 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3107 construct, return *VAR.
3109 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3111 PR rtl-optimization/27406
3112 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3115 2006-05-14 Roger Sayle <roger@eyesopen.com>
3117 PR rtl-optimization/27538
3118 * combine.c (expand_compound_operation): Call gen_lowpart
3119 before calling simplify_shift_const.
3121 2006-05-14 Roger Sayle <roger@eyesopen.com>
3123 PR rtl-optimization/22563
3124 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3125 a fixed width bitfield, always force the intermediates into psuedos.
3127 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3130 * mkconfig.sh: Use operator = instead of == for test.
3132 2006-05-13 Nick Clifton <nickc@redhat.com>
3134 * dwarf2out.c (dbx_reg_number): Check return value from
3135 LEAF_REG_REMAP and only use it if it is valid.
3136 (multiple_reg_loc_descriptor): Likewise.
3138 2006-05-13 Richard Guenther <rguenther@suse.de>
3140 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3143 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3145 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3146 information attached to non-INSNs such as NOTEs.
3147 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3149 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3151 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3153 * config/s390/s390.md: Adjust comment describing On constraint.
3155 2006-05-11 Jan Hubicka <jh@suse.cz>
3157 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3158 to be output at -O0.
3160 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3163 * fold-const.c (size_binop): Move sanity check for arguments to
3164 the beginning of the function.
3167 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3170 2006-05-11 Richard Guenther <rguenther@suse.de>
3173 * fold-const.c (fold_unary): Handle intermediate conversion
3174 to a pointer type like intermediate conversion to an integer
3175 type in folding of (T1)(T2)var to var.
3176 Match the code to the comment in the final conversion for
3177 (T1)(T2)var to (T1)var regarding to type precision. Rather
3178 than disallow T1 being of pointer type, assert that both T1
3179 and var are of pointer type or not. Make sure not to fall
3180 over the frontends lazyness wrt array to pointer decay though.
3182 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3184 * arm.c (arm_struct_value_rtx): Delete.
3185 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3186 (arm_init_cumulative_args): Always initialize nregs to zero.
3188 2006-05-10 Richard Guenther <rguenther@suse.de>
3190 PR tree-optimization/27532
3191 * tree-object-size.c (plus_expr_object_size): Fix typo.
3193 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3196 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3197 ashrdi_const, ashrdi3): Use a scratch register.
3199 2006-05-10 Richard Guenther <rguenther@suse.de>
3201 PR tree-optimization/27302
3202 * fold-const.c (operand_equal_p): For two comparisons,
3203 try comparison of one comparison code swapped if that yields
3206 2006-05-10 Ben Elliston <bje@au.ibm.com>
3208 * tree-pretty-print.c (pretty_print_string): No need to handle
3209 '\0' as a special character.
3211 * tree.h: Include "hashtab.h".
3212 (iterative_hash_expr): Use hashval_t in its prototype.
3213 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3215 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3218 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3219 (hppa*64*-*-hpux11*): Ditto.
3220 (hppa[12]*-*-hpux11*): Ditto.
3222 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3225 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3227 2006-05-09 Michael Matz <matz@suse.de>
3229 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3230 host_extra_gcc_objs and host_xmake_file.
3231 (<*-*-linux*>): Don't overwrite host_xmake_file.
3232 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3233 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3234 (host_detect_local_cpu): Declare.
3235 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3236 * config/i386/i386.c (override_options): Handle -mtune=native
3238 * config/i386/x-i386: New file.
3239 * config/i386/driver-i386.c: New file.
3240 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3243 2006-05-09 Dirk Mueller <dmueller@suse.de>
3244 Richard Guenther <rguenther@suse.de>
3247 * fold-const.c (fold_read_from_constant_string): Relax check
3248 for matching types to matching modes.
3250 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3252 PR rtl-optimization/27335
3253 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3256 2006-05-08 Chao-ying Fu <fu@mips.com>
3257 Richard Sandiford <richard@codesourcery.com>
3259 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3260 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3261 * config/mips/mips.md (UNSPEC_SCC): New constant.
3262 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3263 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3264 (mips_emit_compare): Use it.
3265 (mips_expand_vcondv2sf): New function.
3267 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3269 Fix PR tree-optimization/27093
3270 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3271 renaming when they become not-used_alone.
3273 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3275 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3276 relocation and relocation stubs.
3278 2006-05-08 Eric Christopher <echristo@apple.com>
3280 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3283 2006-05-08 Jan Hubicka <jh@suse.cz>
3286 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3287 unused static functions are needed.
3289 2006-05-08 Roger Sayle <roger@eyesopen.com>
3292 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3293 of a reg_equiv_constant if the result is a legitimate constant.
3295 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3298 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3299 standard 80387 constants, raise the cost to prevent
3300 compress_float_constant() to generate load from memory.
3302 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3304 * config/arm/constraints.md (c): Fix a typo.
3306 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3309 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3312 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3314 (_mm_mwait): Likewise.
3316 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3318 (sse3_monitor): Make it 32bit only.
3319 (sse3_monitor64): New. 64bit monitor.
3321 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3324 * config/i386/i386.c (classify_argument): Skip fields with invalid
3327 2006-05-07 Richard Guenther <rguenther@suse.de>
3329 PR tree-optimization/27409
3330 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3331 Do not try to find zero-sized subvars.
3333 2006-05-07 Richard Guenther <rguenther@suse.de>
3335 PR tree-optimization/27136
3336 * tree-ssa-loop-niter.c (get_val_for): Correct function
3337 comment, assert requirements.
3338 (loop_niter_by_eval): Stop processing if the iterated
3339 value did not simplify.
3341 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3343 * opts.c (flag_see): remove its setting at -O3.
3345 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3347 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3348 * arm/constraints.md: New file.
3349 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3350 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3351 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3352 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3353 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3354 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3355 * arm.md: Include constraints.md.
3356 (thumb_movsi_insn): Use satisfies_constraint_J.
3357 (movhi, movqi): Use satisfies_constraint_I.
3359 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3361 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3362 for atmeg a645 device.
3364 2006-05-06 Richard Guenther <rguenther@suse.de>
3366 PR tree-optimization/27151
3367 * tree-vect-transform.c (vectorizable_condition): Punt on
3368 values that have a different type than the condition.
3370 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3373 * c-parser.c (c_parser_cast_expression): Only insert casts into
3374 hash table if pointer.
3375 * function.c (used_types_insert_helper): Rename from
3377 (used_types_insert): Call used_types_insert_helper.
3378 * function.h (used_types_insert): Accept only one argument.
3380 2006-05-05 David Edelsohn <edesohn@gnu.org>
3382 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3383 scratch with output modifier.
3385 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3388 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3389 with output modifier.
3391 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3394 * config/mips/mips.c (mips_symbolic_address_p): Return true
3395 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3396 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3398 2006-05-04 Richard Guenther <rguenther@suse.de>
3400 PR tree-optimization/14287
3401 PR tree-optimization/14844
3402 PR tree-optimization/19792
3403 PR tree-optimization/21608
3404 PR tree-optimization/27090
3405 * tree-ssa-pre.c (try_combine_conversion): New function.
3406 (compute_avail): After constructing the value-handle
3407 expression, use try_combine_conversion to combine NOP_EXPRs
3408 with previous value-handle expressions and use the result if it
3411 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3413 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3415 2006-05-04 Jan Hubicka <jh@suse.cz>
3418 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3420 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3422 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3423 that this only matches CONST_INTs. All users changed to VOIDmode
3426 * config/bfin/bfin.c: Include "optabs.h".
3427 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3429 (enum bfin_builtins): Add a number of fractional and vector builtins.
3430 (bfin_init_builtins): Likewise.
3431 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3432 (safe_vector_operand, bfin_expand_binop_builtin,
3433 bfin_expand_unop_builtin): New functions.
3434 (bfin_expand_builtin): Handle the new builtins.
3435 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3438 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3441 * Makefile.in (OBJS-common): Add see.o.
3442 (see.o): Add dependencies.
3443 * common.opt (fsee): New flag for the see optimization was added.
3444 * opts.c (flag_see): Initialized.
3445 * passes.c (init_optimization_passes, pass_see): New pass.
3446 * rtl.h (see_main): Declaration as extern.
3447 * timevar.def (TV_SEE): New.
3448 * tree-pass.h (pass_see): Declaration as extern.
3449 * invoke.texi (-fsee): Document.
3450 * recog.c (validate_simplify_insn): New function.
3451 * recog.h (validate_simplify_insn): Declaration as extern.
3452 * df-problems.c (df_chain_dump): Check for NULL.
3454 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3455 Daniel Berlin <dberlin@dberlin.org>
3457 * cfgrtl.c (insert_insn_bb_end_new): New function.
3458 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3460 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3462 * df.h (struct web_entry): Moved from web.c.
3463 (union_defs): Declaration as extern.
3464 (unionfind_root): Likewise.
3465 (unionfind_union): Likewise.
3466 * web.c (struct web_entry): Moved to df.h.
3467 (unionfind_root): Remove static declaration.
3468 (unionfind_union): Likewise.
3469 (union_defs): Likewise and generalize to use callback function.
3470 (web_main): Update arguments for union_defs function call.
3472 2006-05-04 Richard Guenther <rguenther@suse.de>
3474 PR tree-optimization/26447
3475 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3476 produce SSA_NAME copies before the store stmt to avoid
3477 breaking exception handling.
3479 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3482 * gimplify.c (omp_is_private): If var is shared in some outer context,
3483 return false instead of true. Stop searching on parallel context
3486 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3489 * coverage.c: Use get_gcov_unsigned_t() instead of
3490 unsigned_type_node all over.
3492 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3494 PR tree-optimization/27381
3495 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3496 maintain the same immediate_use links.
3497 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3498 node rather than segfaulting.
3500 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3503 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3504 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3505 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3507 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3509 Fix PR tree-optimization/26626
3510 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3512 * tree-ssa-operands.c (access_can_touch_variable): Allow
3513 typecasting through union pointers.
3515 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3518 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3519 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3520 to find if var will be a global variable even in the nested context.
3521 (omp_copy_decl): Only check for global variable at the end, it might
3522 be overridden in outer contexts.
3523 (scan_sharing_clauses): For global variables don't create a field.
3524 (lower_rec_input_clauses): Do nothing for global shared variables.
3525 Emit a barrier at the end of ILIST if there were any decls in both
3526 firstprivate and lastprivate clauses.
3527 (lower_send_clauses): Do nothing for global variables except for
3530 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3532 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3533 of the correct signedness is returned.
3535 2006-05-02 Jeff Law <law@redhat.com>
3537 PR tree-optimization/27364
3538 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3539 multiply expressions.
3541 2006-05-02 Tom Tromey <tromey@redhat.com>
3543 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3545 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3548 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3549 -mthumb -fPIC are used.
3551 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3552 Joshua Kinard <kumba@gentoo.org>
3555 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3556 with 64-bit pointers.
3558 2006-05-02 Paul Brook <paul@codesourcery.com>
3560 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3562 (create_fix_barrier): Check that a suitable barrier location is
3564 (arm_reorg): Include ftmp->address in allowable range of addresses.
3566 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3569 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3572 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3575 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3576 around RESULT_DECL for result passed by reference.
3577 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3578 * omp-low.c (use_pointer_for_field): Don't look at
3579 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3580 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3581 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3582 time or var for passing by reference for
3583 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3584 TREE_ADDRESSABLE variables when passing by reference.
3586 * omp-low.c (dump_omp_region): Fix output formatting.
3589 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3590 (expand_omp_parallel): Likewise.
3591 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3594 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3595 on statement list containing also constructors and destructors.
3596 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3599 * except.c (duplicate_eh_regions): Fix clearing of
3600 cfun->eh->region_array entries.
3602 2006-05-01 DJ Delorie <dj@redhat.com>
3604 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3606 (gcc_cv_objdump): Likewise.
3607 * configure: Regenerated.
3609 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3612 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3613 templates for case 3 and 4.
3615 2006-05-01 DJ Delorie <dj@redhat.com>
3617 * vec.c: Include bconfig.h when appropriate.
3618 * Makefile.in (build/vec.o): Adjust dependencies.
3619 * mkconfig.sh: Make sure config.h isn't used for build machine
3622 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3624 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3626 (mark_phi_for_rewrite): New function.
3627 (insert_phi_nodes_for, mark_use_interesting): Call
3628 mark_phi_for_rewrite.
3629 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3630 (update_ssa): Initialize and free phis_to_rewrite.
3632 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3634 PR rtl-optimization/27291
3635 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3636 folded to a constant.
3638 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3640 PR tree-optimization/27283
3641 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3642 not whole # of iteration descriptions.
3643 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3644 uses abnormal ssa name.
3645 (niter_for_single_dom_exit): Ditto.
3646 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3647 return just the number of iterations.
3649 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3651 PR tree-optimization/27144
3652 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3653 (record_estimate): Only record constant upper bound.
3654 (infer_loop_bounds_from_undefined): Call
3655 compute_estimated_nb_iterations just once.
3656 (proved_non_wrapping_p): Renamed to ...
3657 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3658 (convert_step_widening, scev_probably_wraps_p): Call
3659 n_of_executions_at_most instead of proved_non_wrapping_p.
3660 (substitute_in_loop_info): Do not replace values in bounds.
3661 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3664 2006-05-01 Richard Henderson <rth@redhat.com>
3667 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3668 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3671 2006-05-01 Roger Sayle <roger@eyesopen.com>
3673 * c-typeck.c (parser_build_binary_op): Don't call the function
3674 unsigned_conversion_warning to spot operand/result type overflow.
3675 (build_binary_op): Instead, call convert_and_check instead of
3676 convert to report the problem when the operands are promoted.
3677 * c-common.c (unsigned_conversion_warning): Make static.
3678 * c-common.h (unsigned_conversion_warning): Delete prototype.
3680 2006-05-01 Richard Guenther <rguenther@suse.de>
3682 PR tree-optimization/26726
3683 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3685 (find_interesting_uses_address): ... we work around here
3686 by folding INDIRECT_REFs in the substituted base.
3688 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3690 * omp-low.c (dump_omp_region): Add newlines.
3692 2006-04-30 Roger Sayle <roger@eyesopen.com>
3694 * common.opt (Woverflow): New command line option.
3695 * c-common.c (constant_expression_warning): Check warn_overflow.
3696 (overflow_waring): Pass OPT_Woverflow to warning.
3697 (unsigned_conversion_warning): Likewise.
3698 (convert_and_check): Likewise.
3699 * doc/invoke.texi: Document new command line option.
3701 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3703 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3704 TARGET_NO_FP_IN_TOC for section anchors.
3705 (optimization_options): Enable section anchors for all
3706 non-"Objective" languages.
3708 2006-04-28 Eric Christopher <echristo@apple.com>
3710 * config/darwin-c.c (darwin_ms_struct): Move this
3711 (darwin_set_default_type_attributes): and this...
3712 * config/darwin.c: ... here.
3713 * config/darwin.h (darwin_ms_struct): Declare.
3715 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3717 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3719 2006-04-28 Roger Sayle <roger@eyesopen.com>
3722 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3723 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3724 an unsigned HOST_WIDE_INT.
3725 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3727 (really_start_incremental_init): No need to call convert because
3728 bitsize_zero_node is already of type bitsizetype.
3729 (push_init_level): Extract the value of constructor_index as an
3730 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3731 (process_init_element): Likewise.
3733 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3735 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3736 value before passing to make_relative_prefix.
3738 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3741 * builtins.c (expand_builtin_memset): Expand val in original mode.
3743 2006-04-27 Eric Christopher <echristo@apple.com>
3745 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3746 with #ifndef/#endif.
3747 * config/darwin-c.c (darwin_ms_struct): New.
3748 (darwin_pragma_ms_struct): Ditto.
3749 (darwin_set_default_type_attributes): Ditto.
3750 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3751 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3752 Register ms_struct pragma.
3753 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3754 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3755 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3756 darwin_set_default_type_attributes if TARGET_MACHO.
3758 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3760 PR tree-optimization/26854
3761 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3762 * doc/tree-ssa.texi: Update immuse iterator documentation.
3763 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3764 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3765 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3766 first_safe_imm_use, next_safe_imm_use): Remove.
3767 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3768 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3769 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3770 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3771 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3772 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3773 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3774 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3775 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3776 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3777 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3778 (perfect_nestify): Use new iterator.
3779 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3781 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3782 (next_imm_name): New field in struct immediate_use_iterator_d.
3783 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3784 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3785 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3786 * tree-cfg.c (replace_uses_by): Use new iterator.
3787 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3788 * tree-ssa-operands.c (correct_use_link): Remove.
3789 (finalize_ssa_use_ops): No longer call correct_use_link.
3791 2006-04-27 Stuart Hastings <stuart@apple.com>
3793 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3794 * config/t-darwin (crt3.o): Use it.
3795 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3796 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3797 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3798 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3799 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3802 2006-04-27 Roger Sayle <roger@eyesopen.com>
3804 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3805 size, force the intermediate into a new pseudo rather instead of
3806 performing both a bitwise AND and a bitwise IOR in memory.
3808 2006-04-27 Richard Guenther <rguenther@suse.de>
3810 PR rtl-optimization/26685
3811 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3812 this one "max-flow-memory-locations".
3814 2006-04-27 Richard Guenther <rguenther@suse.de>
3816 PR tree-optimization/25148
3817 * tree-vrp.c (compare_values): Remove code dealing with
3818 comparisons against type min/max value. Honour overflow
3819 and negative constants in code dealing with comparisons
3820 of plus and minus expressions.
3821 (value_inside_range): Use fold_binary with LE_EXPR and
3822 GE_EXPR rather than compare_values.
3824 2006-04-27 Dirk Mueller <dmueller@suse.de>
3826 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3829 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3831 * basic-block.h (safe_insert_insn_on_edge): Removed.
3832 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3834 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3835 Paolo Bonzini <bonzini@gnu.org>
3838 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3839 (simplify_and_const_int): Same.
3841 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3843 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3845 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3848 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3849 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3850 cgraph_global_info_ready.
3853 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3856 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3857 either decl or init is error_mark_node.
3860 * tree-flow.h (struct omp_region): Add sched_kind.
3861 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3862 instead of extracting omp for data.
3863 (expand_omp_for): Save extracted sched_kind.
3865 2006-04-25 Roger Sayle <roger@eyesopen.com>
3867 * expmed.c (store_bit_field): Also check whether the bitsize is
3868 valid for the machine's "insv" instruction before moving the
3869 target into a pseudo for use with the insv.
3870 * config/i386/predicates.md (const8_operand): New predicate.
3871 * config/i386/i386.md (extv, extzv, insv): Use the new
3872 const8_operand predicate where appropriate.
3874 2006-04-25 DJ Delorie <dj@redhat.com>
3876 * doc/install.texi (Specific): Clarify that this is not a list of
3877 supported hosts or targets.
3879 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3881 PR rtl-optimization/26725
3882 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3883 block's BB_DIRTY flag.
3885 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3887 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3890 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3891 to print an integer.
3893 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3895 * varasm.c (align_variable): New function.
3896 (get_block_for_decl): Apply align_variable to DECL before
3897 calculating section information.
3898 (assemble_variable): Split out alignment computation.
3900 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3902 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3905 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3907 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3908 MODE_PARTIAL_INT mode.
3909 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3910 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3912 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3913 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3915 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3917 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3919 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3920 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3921 MACFLAG_IH): Likewise.
3922 (movstricthi_1): Renamed from "*movstricthi".
3923 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3924 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3925 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3926 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3927 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3928 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3929 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3930 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3931 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3932 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3933 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3934 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3935 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3936 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3937 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3939 * doc/rtl.texi (ss_ashift): Improve wording.
3941 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3943 * dwarf2out.c (verify_marks_clear): New.
3944 (prune_unused_types): Call verify_marks_clear initially, not
3947 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3949 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3950 * doc/rtl.texi: Document them.
3951 * simplify-rtx.c (simplify_unary_operation,
3952 simplify_binary_operation_1): Don't abort when we see them.
3954 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3957 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3958 * configure.ac: Completely disregard languages that are not
3960 * configure: Regenerated.
3962 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3963 Richard Guenther <rguenther@suse.de>
3965 PR tree-optimization/27236
3966 * tree-inline.c (copy_body_r): Make sure to copy
3967 TREE_THIS_VOLATILE flag.
3969 2006-04-24 Richard Guenther <rguenther@suse.de>
3972 * tree-complex.c (update_parameter_components): Don't handle
3973 unused parameters which have no default def.
3975 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3976 Richard Guenther <rguenther@suse.de>
3978 PR tree-optimization/27218
3979 * tree-inline.c (expand_call_inline): Strip useless type
3980 conversions for the return slot address.
3982 2006-04-24 Richard Guenther <rguenther@suse.de>
3984 * cfgloop.h (struct loops): Remove unused field array. Reorder
3986 (LOOP_PREFETCH): Remove.
3988 2006-04-24 Richard Guenther <rguenther@suse.de>
3990 PR tree-optimization/22525
3991 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3992 variable, adjust types of generated expressions.
3994 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3996 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3997 (tree-vect-patterns.o): Likewise.
3999 (cselib.o): Likewise.
4000 (loop-doloop.o): Likewise.
4001 (regclass.o): Likewise.
4002 (reload1.o): Likewise.
4003 (explow.o): Replace target.h with $(TARGET_H).
4004 (ipa-prop.o): Likewise.
4005 (ipa-cp.o): Likewise.
4006 (ipa-inline.o): Likewise.
4007 (reorg.o): Likewise.
4008 (reg-stack.o): Likewise.
4010 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4012 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4014 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4016 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4018 * configure.ac: Completely disregard languages that are not
4020 * configure: Regenerated.
4023 * c-common.h (c_build_bitfield_integer_type): Declare.
4024 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4025 * c-common.c (c_build_bitfield_integer_type): ... here.
4027 2006-04-23 Roger Sayle <roger@eyesopen.com>
4030 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4031 a SImode SUBREG of a floating point register after no_new_pseudos.
4033 2006-04-23 Roger Sayle <roger@eyesopen.com>
4035 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4036 identify potentially eliminable registers to additionally catch
4037 VIRTUAL_INCOMING_ARGS_REGNUM.
4038 (addsi3): Update the conditions on when to use addsi_small_int.
4040 2006-04-23 Roger Sayle <roger@eyesopen.com>
4043 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4044 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4045 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4047 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4049 * fold-const.c (range_predecessor): Use operand_equal_p
4050 as the predicate for equality.
4051 (range_successor): Likewise.
4053 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4056 * config/soft-fp/op-common.h: Fix a typo.
4058 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4061 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4062 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4064 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4066 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4068 * doc/tm.texi: Fix a typo.
4070 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4072 * dwarf2out.c (struct die_struct): Document that die_sib makes
4073 a circular linked list.
4074 (FOR_EACH_CHILD): New.
4075 (reverse_die_lists): Delete.
4076 (reverse_all_dies): Delete.
4077 (add_dwarf_attr): Correct documentation.
4078 (remove_child_with_prev): New.
4079 (remove_child_TAG): Update for change to die_struct, use
4080 remove_child_with_prev.
4081 (add_child_die): Update for change to die_struct.
4082 (splice_child_die): Use remove_child_with_prev and add_child_die.
4083 (print_die): Use FOR_EACH_CHILD.
4084 (die_checksum): Likewise.
4085 (assign_symbol_names): Likewise.
4086 (output_location_lists): Likewise.
4087 (build_abbrev_table): Likewise.
4088 (calc_die_sizes): Likewise.
4089 (mark_dies): Likewise.
4090 (unmark_dies): Likewise.
4091 (unmark_all_dies): Likewise.
4092 (output_die): Likewise.
4093 (prune_unused_types_mark): Likewise.
4094 (prune_unused_types_walk): Likewise.
4095 (same_die_p): Update for change to die_struct.
4096 (break_out_includes): Likewise.
4097 (prune_unused_types_prune): Likewise.
4098 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4099 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4101 (dwarf2out_finish): Don't call reverse_all_dies.
4103 2006-04-21 Eric Christopher <echristo@apple.com>
4105 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4106 in comments and function names.
4108 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4111 * c-typeck.c (digest_init): Robustify.
4113 * c-typeck.c (pop_init_level): Simplify.
4115 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4117 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4119 2006-04-21 Paul Brook <paul@codesourcery.com>
4121 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4122 hardware floating point.
4124 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4126 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4129 2006-04-21 Nick Clifton <nickc@redhat.com>
4131 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4134 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4137 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4138 C++ lang type in traceback table for Objective-C++.
4140 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4142 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4144 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4146 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4149 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4150 were errors. Remove check for erroneous objects.
4152 2006-04-20 Jeff Law <law@redhat.com>
4154 PR tree-optimization/26854
4155 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4156 checking for zero or one use.
4157 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4158 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4159 * tree-ssa-reassoc.c (negate_value): Similarly.
4160 (reassociate_bb): Similarly.
4162 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4164 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4165 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4166 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4168 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4170 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4171 fp regs if the last fp arg doesn't fit in regs.
4173 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4176 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4177 that the last insn has the REG_INC note.
4179 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4180 Nathan Sidwell <nathan@codesourcery.com>
4183 * stor-layout.c (update_alignment_for_field): Do not align
4185 (place_union_field): Place union field at the start of the union.
4186 (place_field): Move ERROR_MARK check later, and use the current
4187 allocation position to maintain monotonicity.
4189 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4191 * dominance.c: Include timevar.h.
4192 (calculate_dominance_info): Use TV_DOMINANCE.
4193 * timevar.def (TV_DOMINANCE): New timevar.
4194 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4196 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4198 PR rtl-optimization/14261
4199 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4200 move would be an INSV insn.
4201 (noce_process_if_block): Don't optimize if the destination is a
4202 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4204 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4206 * config/s390/s390.md: Add comments with the instructions emitted
4207 by an insn pattern if macros are used.
4209 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4211 PR rtl-optimization/26026
4212 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4213 is a known power of two shifted left a variable amount.
4215 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4217 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4218 to hash table twice when the debug_str section has SECTION_MERGE.
4220 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4222 * config/soft-fp: New directory. From glibc.
4223 * config/soft-fp/t-softfp: New.
4224 * config/soft-fp/README: New.
4225 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4226 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4227 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4228 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4229 * config.gcc: Use rs6000/t-fprules-fpbit or
4230 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4232 * config/rs6000/sfp-machine.h: New. Based on glibc.
4233 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4235 * config/rs6000/t-fprules: Remove fp-bit rules.
4236 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4237 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4238 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4239 (softfp_wrap_start, softfp_wrap_end): New.
4241 2006-04-18 DJ Delorie <dj@redhat.com>
4243 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4245 2006-04-18 Devang Patel <dpatel@apple.com>
4247 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4249 2006-04-18 Nick Clifton <nickc@redhat.com>
4251 * config/sh/t-symbian: Add rule to build sh-c.o
4252 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4253 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4254 (sh_symbian_encode_section_info): Likewise.
4256 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4258 * builtins.c (expand_builtin_strcmp): Cover label definition of
4259 do_libcall with HAVE_cmpstrnsi.
4261 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4263 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4265 * function.h (temp_slot_p): New.
4266 (function): Change the type of x_used_temp_slots to
4267 VEC(temp_slot_p,gc) *.
4269 2006-04-18 Nick Clifton <nickc@redhat.com>
4271 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4272 flag_strength_reduce.
4274 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4276 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4280 Partial revert of revision 112637
4281 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4282 Dale Johannesen <dalej@apple.com>
4285 * regclass.c (struct reg_pref): Update documentation.
4286 (regclass): Set prefclass to NO_REGS if memory is the best option.
4287 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4289 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4291 PR tree-optimization/26821
4292 * tree-ssa-math-opts.c (get_constant_one): New.
4293 (insert_reciprocals): Use it.
4295 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4297 * dwarf2out.c (free_AT): Delete.
4298 (remove_AT): Update string ref counts.
4299 (remove_child_TAG): Don't call free_die.
4301 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4302 or DW_TAG_GNU_EINCL.
4303 (prune_unused_types_walk_attribs): Reset string refcounts.
4304 (prune_unused_types_update_strings): New.
4305 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4306 call free_die. Do call prune_unused_types_update_strings.
4307 (prune_unused_types): Empty debug_str_hash.
4309 2006-04-17 Roger Sayle <roger@eyesopen.com>
4311 * expr.c (expand_assignment): Optimize away no-op moves where the
4312 source and destination are equal and have no side-effects.
4314 2006-04-17 Richard Guenther <rguenther@suse.de>
4317 * reload.c (push_reload): Guard calls to get_secondary_mem
4320 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4322 * alias.c (reg_base_value, old_reg_base_value): Change the
4323 type to VEC(rtx,gc) *.
4324 (REG_BASE_VALUE, find_base_value, record_set,
4325 init_alias_analysis): Use VEC instead of VARRAY.
4327 * alias.c (alias_sets): Change the type to
4328 VEC(alias_set_entry,gc) *.
4329 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4330 VEC instead of VARRAY.
4331 (last_alias_set): Remove.
4333 * cgraph.h (cgraph_edge_p): New.
4334 Update the prototype of cgraph_function_versioning.
4335 * cgraphunit.c (cgraph_copy_node_for_versioning,
4336 cgraph_function_versioning): Use VEC instead of VARRAY.
4337 * ipa-cp.c (ipcp_insert_stage): Likewise.
4339 2006-04-16 Roger Sayle <roger@eyesopen.com>
4342 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4343 "A op B" or "A op C", we may need to convert A to the type of B and C.
4345 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4347 * target.h (struct gcc_target): Add mode_rep_extended.
4348 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4349 (init_num_sign_bit_copies_in_rep): Initialize it using
4351 (truncate_to_mode): Use it.
4352 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4353 * targhooks.h (default_mode_rep_extended): Declare it.
4354 * targhooks.c (default_mode_rep_extended): Define it.
4355 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4356 default_mode_rep_extended.
4357 (TARGET_INITIALIZER): Include it.
4358 * doc/tm.texi (Misc): Document it.
4359 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4360 (mips_truncated_to_mode): New function.
4362 2006-04-16 Roger Sayle <roger@eyesopen.com>
4365 * expr.c (compress_float_constant): Copy the narrow constant into
4366 a new pseudo before extending it to its final width.
4368 2006-04-16 Roger Sayle <roger@eyesopen.com>
4369 Andrew Pinski <pinskia@gcc.gnu.org>
4370 Dale Johannesen <dalej@apple.com>
4373 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4374 special case code to implement V8HImode and V16QImode with SSE2.
4376 2006-04-15 Roger Sayle <roger@eyesopen.com>
4378 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4379 trees are constructed with a suitable tree type.
4381 2006-04-15 Roger Sayle <roger@eyesopen.com>
4383 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4384 (integer_onep): Likewise.
4385 (integer_all_onesp): Likewise.
4386 (integer_pow2p): Likewise.
4387 (integer_nonzerop): Likewise.
4388 (real_zerop): Likewise.
4389 (real_onep): Likewise.
4390 (real_twop): Likewise.
4391 (real_minus_onep): Likewise.
4392 (int_size_in_bytes): Likewise.
4393 (host_integerp): Likewise.
4395 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4397 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4398 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4399 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4401 * tree-ssa-structalias.h (alias_info): Remove num_references.
4403 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4405 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4406 (output_bvb patterns): Likewise.
4407 * pa.c (output_bb): Use 'bb' insn for long branch case.
4408 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4409 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4410 1. Correct length operand for alternatives 1 and 2.
4411 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4412 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4414 2006-04-14 Roger Sayle <roger@eyesopen.com>
4416 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4417 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4418 were accidentally reverted by r112959.
4420 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4423 * except.h (eh_region_outermost): New prototype.
4424 * except.c (eh_region_outermost): New function.
4425 * tree-cfg.c (find_outermost_region_in_block): Use it.
4427 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4429 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4431 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4432 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4433 (init_reload, reload): Use VEC instead of VARRAY.
4434 * reload.h: Update the prototype for
4435 reg_equiv_memory_loc_varray.
4437 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4438 Eric Botcazou <ebotcazou@libertysurf.fr>
4440 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4443 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4446 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4447 to expand fallback builtin function call.
4449 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4452 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4453 and emit libcall here in case the builtin fails.
4454 (expand_builtin_strcmp): Always emit the libcall here on failure.
4456 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4458 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4459 * flow.c (reg_n_info): Change the type to
4460 VEC(reg_info_p,heap) *.
4461 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4463 * regs.h (reg_info_p): New.
4464 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4465 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4466 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4469 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4471 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4473 * params.h (MAX_SCHED_READY_INSNS): New macro.
4474 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4475 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4476 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4477 the ready list for 1 cycle during the first scheduling pass.
4478 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4480 2006-04-13 Richard Henderson <rth@redhat.com>
4483 * gimple-low.c (lower_omp_directive): Remove dead code.
4484 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4485 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4486 * omp-low.c (struct omp_region): Move to tree-flow.h.
4487 (root_omp_region): Export.
4488 (omp_regions, lookup_omp_region): Remove.
4489 (determine_parallel_type): Update for struct omp_region changes.
4490 (dump_omp_region): Dump regions with block numbers.
4491 (new_omp_region): Take type and block instead of stmt; malloc
4493 (free_omp_region_1, free_omp_regions): New.
4494 (expand_parallel_call): Take entry_stmt as argument; update for
4495 changes to omp_region.
4496 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4497 (remove_exit_barriers): New.
4498 (expand_omp_parallel): Update for struct omp_region changes.
4499 (expand_omp_synch): Likewise.
4500 (expand_omp): Likewise.
4501 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4502 (expand_omp_for_static_chunk): Likewise.
4503 (expand_omp_for): Likewise.
4504 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4505 (expand_omp_sections): Similarly, with GOMP_sections_end.
4506 (expand_omp_single): New.
4507 (build_omp_regions_1): Update for OMP_CONTINUE.
4508 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4509 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4510 OMP_SECTIONS_SECTIONS.
4511 (lower_omp_single_simple): Don't emit barrier here.
4512 (lower_omp_single_copy): Likewise.
4513 (lower_omp_single): Fix bindings, and lower to straightline now.
4514 (lower_omp_master, lower_omp_ordered): Likewise.
4515 (lower_omp_critical): Likewise.
4516 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4517 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4518 omp edges, free it afterward.
4519 (make_omp_sections_edges): Remove.
4520 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4521 (move_stmt_r): Handle OMP_CONTINUE.
4522 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4523 statement pointers to basic blocks. Add type member.
4524 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4525 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4526 * tree-inline.c (estimate_num_insns_1): Likewise.
4527 * tree-pretty-print.c (dump_generic_node): Likewise.
4528 * tree-ssa-operands.c (get_expr_operands): Likewise.
4529 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4530 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4531 (OMP_CONTINUE): New.
4532 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4533 (OMP_SECTIONS_SECTIONS): Remove.
4534 (OMP_SECTION_LAST): New.
4535 (OMP_RETURN_NOWAIT): New.
4537 2006-04-13 Roger Sayle <roger@eyesopen.com>
4539 * fold-const.c (native_encode_vector, native_interpret_real):
4540 Correct obvious mistakes in the previous check-in.
4542 2006-04-13 Roger Sayle <roger@eyesopen.com>
4544 * fold-const.c (native_encode_expr): New function to encode
4545 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4546 or VECTOR_CST into a specified buffer.
4547 (native_encode_int): New function.
4548 (native_encode_real): New function.
4549 (native_encode_complex): New function.
4550 (native_encode_vector): New function.
4551 (native_interpret_expr): Inverse of native_encode_expr to convert
4552 a target representation into an INTEGER_CST, REAL_CST etc...
4553 (native_interpret_int): New function.
4554 (native_interpret_real): New function.
4555 (native_interpret_complex): New function.
4556 (native_interpret_vector): New function.
4557 (fold_view_convert_expr): New function to constant fold/evaluate
4558 a VIEW_CONVERT_EXPR of a suitable constant expression.
4559 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4560 Change call of build1 to fold_build1 when constructing a
4563 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4564 Ulrich Weigand <uweigand@de.ibm.com>
4567 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4570 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4573 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4574 optimize to lo_sum for DFmode if !TARGET_FPRS.
4576 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4578 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4579 delete_alias_info, compute_flow_sensitive_aliasing,
4580 group_aliases): Use VEC instead of VARRAY.
4581 * tree-ssa-structalias.c (update_alias_info): Likewise.
4582 * tree-ssa-structalias.h (alias_info): Change the type of
4583 processed_ptrs to VEC(tree,heap) *.
4585 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4588 * config/sh/lib1funcs.h: New file, broken out of:
4589 * config/sh/lib1funcs.asm.
4590 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4592 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4593 * config/sh/lib1funcs-Os-4-200.asm: New file.
4594 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4595 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4596 (EXTRA_MULTILIB_PARTS): Include it.
4597 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4598 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4599 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4600 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4603 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4605 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4606 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4607 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4609 * tree-ssa-live.h: Include vecprim.h.
4610 (tree_partition_associator_d): Change the type of
4611 first_partition to VEC(int,heap) *.
4612 (tpa_first_partition): Use VEC instead of VARRAY.
4614 * Makefile.in (GTFILES): Move functions.h after tree.h.
4615 * function.c (reset_block_changes, record_block_change,
4616 check_block_change, free_block_changes): Use VEC instead of
4618 * function.h (function): Change the type of
4619 ib_boundaries_block to VEC(tree,gc) *.
4620 * tree-inline.c (copy_cfg_body): Initialize
4621 ib_boundaries_block to NULL instead of (varray_type) 0.
4623 2006-04-12 Roger Sayle <roger@eyesopen.com>
4625 * expr.c (emit_group_store): Correct operand order in call to
4626 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4627 a SUBREG_BYTE of zero.
4629 2006-04-12 Richard Guenther <rguenther@suse.de>
4631 * profile.c (compute_branch_probabilities): Remove code
4632 encapsulated in !ir_type (), which are remanents of the
4633 removed RTL profiling code.
4634 * rtl-profile.c: Remove.
4636 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4638 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4639 magic NULL_RTX comment.
4640 (function_arg): Store entire fp arg to mem if any part should go
4642 (rs6000_arg_partial_bytes): Adjust for above change.
4644 2006-04-11 Roger Sayle <roger@eyesopen.com>
4646 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4647 if it hasn't been initialized by dwarf2out_init.
4649 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4651 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4652 symbolic constants in branch patterns.
4654 2006-04-11 Roger Sayle <roger@eyesopen.com>
4656 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4658 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4660 PR rtl-optimization/27073
4661 * gcse.c (try_replace_reg): Revert last change. Continue to search
4662 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4665 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4667 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4668 aggregate types other than record and union types.
4669 (function_arg): Likewise.
4670 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4672 (function_value): In 64-bit mode, return objects that require it
4675 2006-04-11 Roger Sayle <roger@eyesopen.com>
4677 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4679 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4681 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4683 2006-04-03 Jeff Law <law@redhat.com>
4686 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4687 alias information too.
4689 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4691 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4693 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4696 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4697 (premark_used_types_helper): New.
4698 (premark_used_types): New.
4699 (gen_subprogram_die): Call premark_used_types.
4700 (prune_unused_types_walk): Do not prune perennial dies.
4701 * function.c (used_types_insert): New.
4702 * function.h (struct function): Add used_types_hash field.
4703 (used_types_insert): Add prototype.
4704 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4705 * c-parser.c (c_parser_cast_expression): Save casted types in used
4708 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4711 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4712 rs6000_explicit_options.float_gprs.
4714 2006-04-10 Roger Sayle <roger@eyesopen.com>
4716 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4717 from ix86_expand_vector_init_low_nonzero. Take an additional
4718 one_var argument indicating which element is non-zero. Support
4719 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4720 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4721 with one_var instead of ix86_expand_vector_init_low_nonzero.
4723 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4725 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4726 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4727 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4728 build/genextract.o): Depend on vecprim.h.
4729 * cfglayout.c, df-problems.c, function.c, genextract.c,
4730 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4731 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4735 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4737 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4738 Declare VECs of this type.
4739 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4740 (remove_children): Delete.
4741 (add_dwarf_attr): Use VEC routines.
4742 (add_AT_flag): Update for changes to add_dwarf_attr.
4743 (add_AT_int): Likewise.
4744 (add_AT_unsigned): Likewise.
4745 (add_AT_long_long): Likewise.
4746 (add_AT_vec): Likewise.
4747 (add_AT_string): Likewise.
4748 (add_AT_die_ref): Likewise.
4749 (add_AT_fde_ref): Likewise.
4750 (add_AT_loc): Likewise.
4751 (add_AT_loc_list): Likewise.
4752 (add_AT_addr): Likewise.
4753 (add_AT_lbl_id): Likewise.
4754 (add_AT_lineptr): Likewise.
4755 (add_AT_macptr): Likewise.
4756 (add_AT_offset): Likewise.
4757 (add_AT_range_list): Likewise.
4758 (get_AT): Use VEC_iterate.
4759 (remove_AT): Use VEC_ordered_remove.
4760 (free_die): Fold remove_children into here; have it use VEC_iterate.
4761 (print_die): Use VEC_iterate on attrs.
4762 (reverse_die_lists): Don't reverse attr lists.
4763 (die_checksum): Use VEC_iterate on attrs.
4764 (same_die_p): Likewise.
4765 (output_location_lists): Likewise.
4766 (build_abbrev_table): Likewise.
4767 (size_of_die): Likewise.
4768 (unmark_all_dies): Likewise.
4769 (output_abbrev_section): Likewise.
4770 (output_die): Likewise.
4771 (prune_unused_types_walk_attribs): Likewise.
4773 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4775 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4777 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4780 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4782 2006-04-09 Roger Sayle <roger@eyesopen.com>
4784 * expr.c (store_constructor): Don't bother clearing target if
4785 we're about to assign a vector to it using vec_init_optab.
4787 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4789 * tree-ssa-alias.c (lhs_may_store_to): New function.
4790 (recalculate_used_alone): Handle LHS of calls.
4792 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4796 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4797 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4798 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4799 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4800 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4801 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4802 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4803 stubs. Add ".align 8" directives before all ".dword" directives.
4804 (GTHREAD_USE_WEAK): Revise comment.
4805 (TARGET_ATTRIBUTE_WEAK): Define.
4806 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4807 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4808 * stublib.c: New file.
4813 * pa.md (cbranch patterns): Revise arguments used in calls to
4814 output_cbranch, output_bb and output_bvd. Add long branch length
4816 (fbranch patterns): Handle long branches.
4817 (jump): Revise length check. Revise arguments for output_lbranch call.
4818 Add long branch length attributes.
4819 (decrement_and_branch_until_zero): Add long branch length attributes.
4820 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4821 Likewise. Revise arguments for output_parallel_addb and
4822 output_parallel_movb calls.
4823 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4824 output_parallel_movb and output_parallel_addb): Update prototypes.
4825 * pa.c (output_cbranch): Revise arguments. Correct handling of
4826 nullification in long branches.
4827 (output_lbranch): Add new argument to control extraction of delay
4829 (output_bb): Handle long branches.
4830 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4831 output_parallel_addb): Likewise.
4833 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4835 PR rtl-optimization/27073
4836 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4839 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4841 * tree.h (tree_memory_tag): Add old_used_alone.
4842 (SMT_OLD_USED_ALONE): New macro.
4843 * tree-ssa-alias.c (recalculate_used_alone): Stop
4844 marking things for renaming unnecessarily.
4846 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4848 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4849 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4850 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4851 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4852 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4853 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4854 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4855 spelling convensions.
4856 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4857 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4858 typos. Follow spelling conventions.
4860 2006-04-07 DJ Delorie <dj@redhat.com>
4862 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4863 passed on the stack.
4864 (m32c_init_cumulative_args): When a function returns a structure,
4865 always pass the pointer to that return area on the stack.
4866 (m32c_function_arg_advance): Don't increment the parameter number
4867 if we're processing the returned structure pointer.
4868 (pushm_info): Reverse order of registers.
4870 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4872 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4873 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4874 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4875 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4877 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4878 chrec_fold_multiply): Same.
4879 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4880 force_expr_to_var_cost): Same.
4881 * tree-mudflap.c (mf_xform_derefs_1): Same.
4882 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4884 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4886 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4887 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4890 2006-04-07 Jan Hubicka <jh@suse.cz>
4892 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4894 2006-04-07 Richard Guenther <rguenther@suse.de>
4896 PR tree-optimization/26135
4897 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4898 loads for store copy-prop.
4899 (copy_prop_visit_stmt): Likewise.
4901 2006-04-05 Robert Millan <robertmh@gnu.org>
4903 * config/i386/linux.h: Add a comment to mark macros that are
4904 being overriden in config/k*bsd-gnu.h.
4905 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4907 * config/knetbsd-gnu.h: Ditto.
4909 2006-04-06 Jan Hubicka <jh@suse.cz>
4913 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4916 2006-04-06 Mike Stump <mrs@apple.com>
4918 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4919 for HAVE_nonlocal_goto to be consistent.
4920 (expand_builtin_nonlocal_goto): Likewise.
4921 (expand_builtin_strcmp): Use #ifdef instead of #if
4922 for HAVE_cmpstrnsi to be consistent.
4924 2006-04-05 DJ Delorie <dj@redhat.com>
4926 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4929 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4931 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4932 got-relative addressing for anything but SImode.
4934 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4935 even if the calling function doesn't modify them.
4937 2006-04-05 Richard Guenther <rguenther@suse.de>
4939 PR tree-optimization/26919
4940 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4941 to cgraph_estimate_size_after_inlining.
4943 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4945 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4947 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4949 PR tree-optimization/26996
4950 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4951 VECTOR_TYPE variables.
4953 2006-04-05 Richard Guenther <rguenther@suse.de>
4955 PR tree-optimization/26763
4956 * fold-const.c (fold_comparison): Move folding of
4957 PTR + CST CMP PTR + CST ...
4958 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4960 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4962 * doc/install.texi (Prerequisites): Refine some wording on
4963 bootstrapping and ksh.
4964 Move the version numbers of DejaGnu here from the testing section
4965 and fix casing of names.
4966 Fix markup and clarify wording for autogen requirements.
4967 Refer to GCJ instead of just java.
4968 Refer to SVN instead of CVS.
4969 Describe diffutils as useful instead of necessary.
4970 (Downloading the source): Refer to SVN instead of CVS.
4971 Adjust a link to our web site accordingly.
4972 (Configuration): Fix casing of Bison.
4973 (Building): Refer to SVN instead of CVS.
4974 Fix a sentence on the use of Bison and remove duplicate (and
4975 incorrect) version number of Bison requirement.
4976 Remove one redundant list of packages needed for building.
4977 (Specific): Avoid reference to CVS.
4979 2006-04-04 Eric Christopher <echristo@apple.com>
4981 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4982 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4983 (rs6000_handle_struct_attribute): New.
4984 (rs6000_ms_bitfield_layout_p): Ditto.
4986 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4988 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4989 NULL for dso parameter to atexit_common.
4991 2006-04-04 Eric Christopher <echristo@apple.com>
4993 * config/i386/i386.c (machopic_output_stub): Output \t
4994 between instructions and operands.
4996 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4998 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4999 satisfies_constraint_[IL] to explicit tests on value.
5001 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5003 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5004 set_nb_iterations_in_loop): Use build_int_cst instead of
5006 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5007 build_int_cst instead of convert.
5009 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5011 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5012 new value 2 for incoming.
5013 * function.c (expand_function_start): Call struct_value_rtx
5015 * config/sparc/sparc.md: Comment updated_return.
5016 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5017 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5018 struct return if sparc_std_struct_return and incoming is 2.
5019 (print_operand): Do not adjust return if
5020 sparc_std_struct_return.
5022 2006-04-04 Roger Sayle <roger@eyesopen.com>
5024 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5025 convert in the middle-end.
5026 * expr.c (store_expr, store_constructor, get_inner_reference,
5027 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5029 * tree.c (build_range_type): Likewise.
5031 2006-04-04 Tom Tromey <tromey@redhat.com>
5033 * doc/install.texi (Prerequisites): Mention jar.
5035 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5037 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5040 2006-04-04 Matthias Klose <doko@debian.org>
5042 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5043 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5046 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5048 * doc/extend.texi (Function Attributes): Rewrite visibility
5049 attribute documentation.
5050 * doc/invoke.texi (C++ Dialect Options): Rewrite
5051 -fvisibility-inlines-hidden documentation to describe something
5052 entirely different, although in practise compatible.
5053 (Code Gen Options): Warn about system headers in -fvisibility=
5056 * doc/extend.texi (Other Builtins): Document that
5057 __builtin_nan is a compile-time constant only when its argument
5060 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5062 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5063 trying to remove TRUNCATE check if all bits outside the new mode
5064 are identical to the sign bit.
5066 2006-04-03 Jeff Law <law@redhat.com>
5068 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5069 and operand scanning in some common cases.
5071 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5072 Dale Johannesen <dalej@apple.com>
5075 * regclass.c (struct reg_pref): Update documentation.
5076 (regclass): Set prefclass to NO_REGS if memory is the best option.
5077 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5078 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5079 into account. For non-registers, equate an empty preferred
5080 reload class to a `!' in the constraint; move the if clause to
5081 do so after those that reject the insn.
5082 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5084 (find_dummy_reload): Likewise.
5085 * doc/tm.texi (Register Classes): Document what it means
5086 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5087 * config/i386/i386.c (ix86_preferred_reload_class): Force
5088 using SSE registers (and return NO_REGS for floating-point
5089 constants) if math is done with SSE.
5090 (ix86_preferred_output_reload_class): New.
5091 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5092 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5093 * config/i386/i386.md: Remove # register preferences.
5095 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5098 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5099 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5100 the type of nb_iter.
5101 (instantiate_parameters_1): Convert the operands before calling
5102 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5103 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5105 2006-04-02 Roger Sayle <roger@eyesopen.com>
5107 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5108 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5110 * dojump.c (do_jump): Likewise.
5111 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5112 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5113 gimplify_boolean_expr): Likewise.
5114 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5115 * varasm.c (array_size_for_constructor): Likewise.
5116 * tree-object-size.c (compute_object_offset): Likewise.
5118 2006-04-02 Roger Sayle <roger@eyesopen.com>
5121 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5122 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5124 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5126 PR tree-optimization/26939
5127 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5129 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5131 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5132 at_stmt. Convert the type of operands before calling
5133 build_polynomial_chrec.
5134 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5136 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5137 (instantiate_parameters_1): Convert the type of operands before calling
5138 build_polynomial_chrec.
5139 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5140 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5141 reset_evolution_in_loop): Insert asserts to check the types of the
5143 (chrec_type): Moved...
5144 (eq_evolutions_p): Use operand_equal_p.
5145 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5146 the types of the operands.
5147 (chrec_type): ...here.
5148 * tree-data-ref.c (create_data_ref): Convert the operands before
5149 calling chrec_replace_initial_condition.
5150 (same_access_functions, analyze_subscript_affine_affine,
5151 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5152 (compute_subscript_distance, analyze_ziv_subscript,
5153 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5154 analyze_miv_subscript): Convert the operands before calling
5155 chrec_fold_minus or chrec_fold_plus.
5157 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5159 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5160 the dependence_relations vector.
5161 (compute_data_dependences_for_loop): Adjust call to
5162 compute_all_dependences.
5164 2006-04-01 Roger Sayle <roger@eyesopen.com>
5165 Richard Henderson <rth@redhat.com>
5167 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5168 gimple_boolify on the condition before calling gimplify_expr.
5170 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5172 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5173 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5174 the frame size. Update to use the new macros.
5175 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5176 * config/xtensa/ieee754-df.S: Likewise.
5178 2006-03-31 Richard Henderson <rth@redhat.com>
5180 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5181 (make_edges): ... here. Control fallthru creation with a local
5182 variable. Do not play with fake edges.
5183 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5184 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5187 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5189 * dwarf2.h (DW64_CIE_ID): Define.
5190 * dwarf2out.c (DWARF_CIE_ID): Define.
5191 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5192 length header. Use DWARF_CIE_ID.
5193 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5194 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5196 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5198 * config/sh/linux-atomic.asm: New file.
5199 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5201 2006-03-31 DJ Delorie <dj@redhat.com>
5203 * config/m32c/cond.md: Set condition flags properly throughout.
5204 * config/m32c/minmax.md: Likewise.
5205 * config/m32c/prologue.md: Likewise.
5206 * config/m32c/bitops.md: Likewise.
5207 * config/m32c/muldiv.md: Likewise.
5208 * config/m32c/mov.md: Likewise.
5209 * config/m32c/addsub.md: Likewise.
5210 * config/m32c/m32c.md: Likewise.
5211 * config/m32c/jump.md: Likewise.
5212 * config/m32c/shift.md: Likewise.
5214 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5215 conditionally output the pattern for this.
5216 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5217 (m32c_compare_redundant): New.
5218 (m32c_output_compare): New.
5219 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5221 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5222 dest, not src. Allow other 4-byte modes.
5224 2006-03-30 Denis Chertykov <denisc@overta.ru>
5226 * doc/md.texi: Refer to avr/constraints.md instead of
5229 2006-03-30 Roger Sayle <roger@eyesopen.com>
5231 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5232 signed vs. unsigned comparison failures on some hosts.
5234 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5237 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5238 change to FLOAT_REGS.
5240 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5241 (rs6000_override_options): Use it.
5242 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5243 only for -mabi=spe/no-spe and -mabi=altivec.
5245 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5247 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5250 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5252 * Makefile.in: Rename docdir to gcc_docdir.
5254 2006-03-30 Roger Sayle <roger@eyesopen.com>
5257 * expr.c (emit_group_store): Optimize group stores into a pseudo
5258 register by using a paradoxical subreg to initialize the destination
5259 if the first or last member of the group specifies a "low part".
5261 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5264 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5265 * target.h (struct gcc_target.speculate_insn): Change type of the
5266 second parameter to 'int'.
5267 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5268 the second operand of the DEPS_LIST.
5269 (copy_DEPS_LIST_list): Update reference to the second operand of the
5271 * rtl.h (alloc_DEPS_LIST): Update signature.
5272 * sched-int.h (ds_t): Change typedef to 'int'.
5273 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5275 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5277 * haifa-sched.c (try_ready): Change condition to restore
5278 non-speculative pattern of the instruction.
5279 (process_insn_depend_be_in_spec): Code to keep probability of the
5280 speculative dependence non-decreasing.
5282 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5284 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5285 (single_move_for_movmem): ... this. Also change all uses.
5286 (bfin_expand_strmov): Renamed to...
5287 (bfin_expand_movmem): ... this. Also change all uses.
5288 * config/bfin/bfin.md (movstrsi): Renamed to...
5289 (movstrsi): ...this.
5291 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5293 PR tree-optimization/26830
5295 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5296 (copy_prop_visit_stmt): Remove write-only variable ann.
5297 (init_copy_prop): Check variable loop depth here. Do not simulate
5298 memory-tag and virtual operand PHIs except for store copy prop.
5300 2006-03-30 Richard Guenther <rguenther@suse.de>
5302 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5303 variants with double arguments.
5305 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5307 * genpreds.c (write_tm_constrs_h): Delete variable p.
5308 * genconditions.c (write_header): Add tm-constrs.h to included
5310 * genpeep.c (main): Add toplev.h to included headers.
5311 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5312 (build/genpeep.o): Add toplev.h dependency.
5313 * config/rs6000/constraints.md: Add "W" constraint.
5315 2006-03-29 Roger Sayle <roger@eyesopen.com>
5317 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5318 sizes by correctly testing whether the size fits a host integer.
5319 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5320 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5321 SImode range for the default sizetype and bitsizetype.
5323 2006-03-29 Roger Sayle <roger@eyesopen.com>
5325 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5326 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5327 quickly if the argument is already of the correct type.
5328 Call fold_build1 instead of build1. Tidy up blank lines.
5330 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5332 * genemit.c (main): Add tm-constrs.h to included headers.
5333 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5334 * genpeep.c (main): Add tm-constrs.h to included headers.
5335 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5336 (write_tm_constrs_h): this and write complete file.
5337 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5338 (write_insn_preds_c): Add tm-constrs.h to included headers.
5339 (gen_constrs): New variable.
5340 (parse_option): Parse "-c".
5341 (main): Invoke write_tm_constrs_h.
5342 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5343 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5344 (object_out_file): Add tm-constrs.h dependency.
5345 (insn-emit.o): Same.
5346 (insn-output.o): Same.
5347 (insn-peep.o): Same.
5348 (insn-preds.o): Same.
5349 (insn-recog.o): Same.
5350 (tm-constsr.h): New target.
5351 (s-constrs-h): New target.
5353 * config/rs6000/constraints.md: New file.
5354 * config/rs6000/rs6000.c: Include tm-constrs.h.
5355 (num_insn_constant_wide): Convert to satisfies_constraint.
5356 (rs6000_rtx_costs): Convert to satisfies_constraint.
5357 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5358 (CONST_OK_FOR_LETTER_P): Delete.
5359 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5360 (EXTRA_CONSTRAINT): Delete.
5361 (EXTRA_MEMORY_CONSTRAINT): Delete.
5362 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5363 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5364 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5365 satisfies_constraint.
5367 * config/i386/i386.c: Include tm-constrs.h.
5369 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5371 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5372 * tree-data-ref.c (find_data_references_in_loop,
5373 compute_data_dependences_for_loop): Use pointers to VEC.
5374 (analyze_all_data_dependences): Adjust calls.
5375 * tree-data-ref.h (find_data_references_in_loop,
5376 compute_data_dependences_for_loop): Adjust declarations.
5377 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5378 compute_data_dependences_for_loop.
5380 2006-03-29 Paul Brook <paul@codesourcery.com>
5382 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5385 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5387 PR tree-optimization/26859
5388 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5390 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5391 for the step after fold_convert.
5393 2006-03-29 Paul Brook <paul@codesourcery.com>
5395 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5396 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5398 2006-03-29 Paul Brook <paul@codesourcery.com>
5401 * targhooks.c (default_narrow_bitfield): New fuction.
5402 * targhooks.h (default_narrow_bitfield): add prototype.
5403 * target.h (gcc_target): Add narrow_volatile_bitfield.
5404 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5405 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5406 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5407 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5409 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5411 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5413 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5414 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5415 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5416 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5417 (s390_function_arg_float): Allow SDmode and DDmode values to be
5418 passed in floating point registers.
5419 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5420 check with SCALAR_FLOAT_MODE_P.
5421 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5423 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5425 PR tree-optimization/25985
5426 * tree-ssa-loop-niter.c (number_of_iterations_le,
5427 number_of_iterations_ne): Make comments more precise.
5428 (number_of_iterations_cond): Add only_exit argument. Use the
5429 fact that signed variables do not overflow only when only_exit
5431 (loop_only_exit_p): New.
5432 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5433 number_of_iterations_cond.
5435 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5437 PR tree-optimization/26643
5438 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5441 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5443 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5444 (divsi3_i4_int): Likewise.
5446 2006-03-28 Roger Sayle <roger@eyesopen.com>
5448 * expr.c (emit_group_store): Only create a new pseudo reg if the
5449 quantity it needs to hold isn't already a suitable pseudo.
5451 2006-03-28 Jeff Law <law@redhat.com>
5453 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5454 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5456 2006-03-28 Roger Sayle <roger@eyesopen.com>
5458 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5459 the equivalent ~X & Y, and the symmetry related transformations.
5460 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5461 ~X & Y, and symmetry related transforms.
5463 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5465 Revert my 2006-03-27 patches.
5467 2006-03-28 Roger Sayle <roger@eyesopen.com>
5469 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5470 ~(T1)X, when T1 and T2 are integer types of the same precision
5471 and (T2)X isn't an extension.
5473 2006-03-28 Jeff Law <law@redhat.com>
5475 PR tree-optimization/26796
5476 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5477 need EH edge cleanups rather than purging them immediately.
5478 (eliminate_degenerate_phis): Handle queued EH cleanups.
5480 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5482 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5485 2006-03-27 Roger Sayle <roger@eyesopen.com>
5488 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5489 cast BIT_NOT_EXPR operand to the correct type.
5491 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5493 * tree-loop-linear.c: Don't include varray.h.
5494 (gather_interchange_stats, try_interchange_loops,
5495 linear_transform_loops): Use VEC instead of VARRAY.
5496 * lambda-mat.c: Don't include varray.h.
5497 * tree-chrec.c: Same.
5498 * lambda-trans.c: Same.
5499 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5500 VEC instead of VARRAY.
5501 * tree-vectorizer.h: Idem.
5502 * tree-data-ref.c (dump_data_references,
5503 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5504 initialize_data_dependence_relation, finalize_ddr_dependent,
5505 compute_all_dependences, find_data_references_in_loop,
5506 compute_data_dependences_for_loop, analyze_all_data_dependences,
5507 free_dependence_relation, free_dependence_relations,
5508 free_data_refs): Idem.
5509 * tree-data-ref.h (data_reference_p, subscript_p): New.
5510 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5511 VEC instead of VARRAY.
5512 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5513 (find_data_references_in_loop, compute_data_dependences_for_loop,
5514 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5515 dump_data_dependence_relations, free_dependence_relations,
5516 free_data_refs): Adjust declaration.
5517 (lambda_transform_legal_p): Move declaration here...
5518 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5519 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5520 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5521 vect_analyze_data_refs): Use VEC instead of VARRAY.
5522 * lambda.h (lambda_transform_legal_p): ...from here.
5523 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5524 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5525 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5526 tree-chrec.o): Don't depend on VARRAY_H.
5528 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5530 * rtl.def (Copyright): Update date.
5531 (DEPS_LIST): Change type of the second operand to 'int'.
5532 * target.h (Copyright): Update date.
5533 (struct gcc_target.speculate_insn): Change type of the second parameter
5535 * lists.c (Copyright): Update date.
5536 (alloc_DEPS_LIST): Change signature. Update reference to the second
5537 operand of the DEPS_LIST.
5538 (copy_DEPS_LIST_list): Update reference to the second operand of the
5540 * rtl.h (Copyright): Update date.
5541 (alloc_DEPS_LIST): Update signature.
5542 * sched-int.h (Copyright): Update date.
5543 (ds_t): Change typedef to 'int'.
5544 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5546 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5548 * haifa-sched.c (Copyright): Update date.
5549 (try_ready): Change condition to restore non-speculative pattern
5551 (process_insn_depend_be_in_spec): Code to keep probability of the
5552 speculative dependence non-decreasing.
5554 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5556 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5557 shut up the compiler.
5559 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5561 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5562 to use lib prefix for target.
5563 ($(T)libic_invalidate_array_4-200.a): Likewise.
5564 ($(T)libic_invalidate_array_4a.a): Likewise.
5566 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5567 J"orn Rennecke <joern.rennecke@st.com>
5569 * superh.opt: New file.
5570 * sh.c (boardtype, osruntime): Remove.
5571 * superh.h (SUBTARGET_OPTIONS): Remove.
5572 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5574 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5575 arguments with ^ and/or [].
5577 * config.gcc (sh-*-*): Add quoting to account for quirk of
5579 Replace == with = in enable_incomplete_targets test.
5581 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5582 with MASK_LITTLE_ENDIAN.
5584 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5585 * config/sh/sh.opt: Added to some comments.
5586 * config/sh/superh.h: Removed some chaff.
5588 * config/sh/sh.opt: Add m4-[1234]00* options.
5589 * config/sh/sh.c (sh_handle_option): Likewise.
5590 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5591 (ic_invalidate_array_4-100.o): New rule.
5592 ($(T)libic_invalidate_array_4-100.a): Likewise.
5593 (ic_invalidate_array_4-200.o): Likewise.
5594 ($(T)libic_invalidate_array_4-200.a): Likewise.
5595 (ic_invalidate_array_4a.o): Likewise.
5596 ($(T)libic_invalidate_array_4a.a): Likewise.
5597 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5598 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5600 * config/sh/crt1.asm: Merged in profiling code.
5601 * config/sh/superh.h (STARTFILE_SPEC): Override.
5602 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5603 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5604 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5606 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5607 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5608 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5610 * sh.opt (mpretend-cmove): New option.
5611 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5612 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5613 (movsicc): Add TARGET_PRETEND_CMOVE code.
5615 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5617 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5618 s390_class_max_nregs): New function prototypes.
5619 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5620 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5621 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5622 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5624 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5626 * dwarf2out.c (add_location_or_const_value_attribute): Call
5627 tree_add_const_value_attribute if nothing else works.
5628 (reference_to_unused): New.
5629 (rtl_for_decl_init): Use reference_to_unused to decide whether
5630 to output an initializer.
5632 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5635 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5636 peephole removing spe frob_di_df_2.
5638 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5640 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5641 (subscript_dependence_tester_1): Declared.
5642 (print_dir_vectors, print_dist_vectors): New.
5643 (debug_data_dependence_relation): New.
5644 (dump_data_dependence_relation): Print more details.
5645 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5646 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5647 (save_dist_v, save_dir_v, add_outer_distances,
5648 build_classic_dist_vector_1): New.
5649 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5650 Don't test for lambda_vector_lexico_pos.
5651 (same_access_functions, add_multivariate_self_dist,
5652 add_other_self_distances, dir_from_dist): New.
5653 (build_classic_dir_vector): Replace implementation almost identical to
5654 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5656 (subscript_dependence_tester_1): New.
5657 (subscript_dependence_tester): Handle the lexicographically negative
5658 distance vectors by recomputing the dependence relation.
5659 (compute_affine_dependence): Remove parameter loop_nest_depth.
5660 (compute_self_dependence): Don't call compute_subscript_distance.
5661 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5662 Add a parameter for the loop_nest.
5663 (find_loop_nest_1, find_loop_nest): New.
5664 (compute_data_dependences_for_loop): Compute the loop nest, and give
5665 up if the nest is not well formed.
5666 * tree-data-ref.h (loop_p): New.
5667 (struct data_dependence_relation): Replace size_vect field with
5668 loop_nest, a vec of loops.
5669 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5670 (DDR_LOOP_NEST): New.
5671 (print_dir_vectors, print_dist_vectors,
5672 debug_data_dependence_relation): Declared.
5673 (index_in_loop_nest): New.
5674 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5675 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5678 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5680 * simplify-rtx.c (simplify_relational_operation): Call
5681 simplify_relational_operation_1 even if mode is VOIDmode.
5683 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5685 PR tree-optimization/26804
5686 * tree.h (DECL_CALL_CLOBBERED): New macro.
5687 (tree_decl_common): Add call_clobbered_flag.
5688 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5689 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5690 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5691 (mark_non_addressable): Ditto.
5692 * tree-ssa.c (verify_call_clobbered): New function.
5693 (verify_alias_info): Use it.
5694 * tree-pass.h (pass_reset_cc_flags): New prototype.
5695 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5696 (reset_cc_flags): New function.
5697 * passes.c (init_optimization_passes): Call reset_cc_flags after
5698 initializing referenced_vars.
5700 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5701 Roger Sayle <roger@eyesopen.com>
5704 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5705 to 1.0 for non-real operands. Implement A / A optimization for
5708 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5710 * config/i386/i386.c (size_cost): Correct the comment for
5711 cost of storing fp registers.
5712 (i386_cost): Likewise.
5713 (i486_cost): Likewise.
5714 (pentium_cost): Likewise.
5715 (pentiumpro_cost): Likewise.
5716 (k6_cost): Likewise.
5717 (athlon_cost): Likewise.
5718 (k8_cost): Likewise.
5719 (pentium4_cost): Likewise.
5720 (nocona_cost): Likewise.
5721 (generic64_cost): Likewise.
5722 (generic32_cost): Likewise.
5724 2006-03-24 Denis Chertykov <denisc@overta.ru>
5726 * config/avr/avr-protos.h (extra_constraint): Delete.
5727 (extra_constraint_Q): New declaration.
5728 * config/avr/constraints.md: New file.
5729 * config/avr/avr.md: Include it.
5730 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5731 (TMP_REGNO, ZERO_REGNO): Likewise.
5732 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5733 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5734 (extra_constraint): Delete.
5735 (extra_constraint_Q): Test for memory constraint 'Q'.
5736 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5737 (REG_CLASS_FROM_LETTER): Delete.
5738 (CONST_OK_FOR_LETTER_P): Delete.
5739 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5740 (EXTRA_CONSTRAINT): Delete.
5741 (TMP_REGNO): Delete.
5742 (ZERO_REGNO): Delete.
5744 2006-03-24 Jeff Law <law@redhat.com>
5746 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5747 directly. Call mark_new_vars_to_rename slightly earlier.
5749 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5751 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5753 (gen_compile_unit_die): Use new language types for Objective-C and
5755 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5756 DW_LANG_C_plus_plus.
5759 * config/t-darwin (crt3.o): Work around bug 26840.
5760 * config/darwin-crt3.c: Rewrite.
5761 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5763 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5765 * doc/invoke.texi: Document -femit-class-debug-always
5766 * common.opt: Add -femit-class-debug-always.
5768 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5770 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5771 index and base register.
5772 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5773 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5774 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5775 REGNO_OK_FOR_INDEX_P.
5776 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5778 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5779 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5780 REG_OK_FOR_BASE_P): Definitions removed.
5782 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5785 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5786 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5787 set yet or weren't marked as local yet.
5789 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5791 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5794 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5796 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5797 (rs6000_legitimate_small_data_p): Delete.
5798 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5799 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5800 and make static. Add forward declaration. Update uses.
5801 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5802 of offsettable_memref_p.
5803 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5804 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5806 2006-03-24 Jeff Law <law@redhat.com>
5808 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5809 around bug in immediate-use iterator.
5811 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5814 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5815 or __LITTLE_ENDIAN__.
5817 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5819 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5820 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5821 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5822 * config/sh/sh.opt (mdiv=): Amend description.
5823 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5824 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5825 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5826 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5827 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5828 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5829 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5830 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5831 TARGET_DIVIDE_CALL_FP.
5833 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5835 * haifa-sched.c (choose_ready): Fix type of the local variable.
5836 Move local variables. Add comment.
5837 (check_reg_live): Change signature. Make callable from debugger.
5838 * sched-int.h (check_reg_live): Update signature.
5839 * sched-ebb.c (check_reg_live): Update parameters.
5840 * sched-rgn.c (check_reg_live): Ditto.
5841 (region_head_or_leaf_p): Check pointer before dereferencing.
5842 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5843 before reload on optimization levels below 1.
5845 2006-03-23 Richard Henderson <rth@redhat.com>
5847 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5851 * config/alpha/predicates.md (local_symbolic_operand): Reject
5854 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5857 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5858 expressions which have overflowed constants.
5860 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5862 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5864 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5866 * cfgloopmanip.c (create_loop_notes): Removed.
5867 * final.c (final_scan_insn): Do not handle loop notes.
5868 * jump.c (squeeze_notes): Ditto.
5869 * cfglayout.c (skip_insns_after_block,
5870 duplicate_insn_chain): Ditto.
5871 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5873 * cfgloop.h (create_loop_notes): Declaration removed.
5875 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5877 * varasm.c (output_constant_pool): Restore fnname and fndecl
5879 (assemble_start_function): Adjust call accordingly.
5880 (assemble_end_function): Likewise.
5882 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5885 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5888 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5890 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5893 * system.h (ICE_EXIT_CODE): New macro.
5894 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5895 (diagnostic_action_after_output): Likewise.
5896 * gcc.c (fatal_ice): New function.
5897 (execute): Use it instead of fatal.
5898 (fancy_abort): Likewise.
5899 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5901 2006-03-22 Jeff Law <law@redhat.com>
5903 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5904 iv_analyze_result returning false.
5906 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5908 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5910 2006-03-22 Richard Henderson <rth@redhat.com>
5913 * except.c (duplicate_eh_regions_0): New.
5914 (duplicate_eh_region_1): Duplicate the children of the node as
5915 well as the node itself. Link them up properly.
5916 (duplicate_eh_region_2): Merge into ...
5917 (duplicate_eh_regions): ... here. Take copy_region argument, and
5918 copy only a sub-tree if asked. Simplify copying and fixup.
5919 (eh_region_outer_p): New.
5920 * except.h (duplicate_eh_regions): Update decl.
5921 (eh_region_outer_p): Declare.
5922 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5923 (lower_omp_master): Likewise.
5924 (lower_omp_ordered): Likewise.
5925 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5926 (move_stmt_r): Use it to remap labels. Handle recursion vs
5927 remap_decls_p properly.
5928 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5929 (find_outermost_region_in_block): New.
5930 (new_label_mapper): New.
5931 (move_sese_region_to_fn): Copy eh information to the new function
5933 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5935 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5938 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5940 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5941 into shared libraries.
5943 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5945 * doc/md.texi: Refer to i386/constraints.md instead of
5947 * config/i386/constraints.md: New file, extracted from...
5948 * config/i386/predicates.md: ...here.
5949 * config/i386/i386.md: Include constraints.md.
5951 2006-03-21 Jason Merrill <jason@redhat.com>
5953 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5956 * expr.c (init_block_move_fn): Force default visibility.
5957 (init_block_clear_fn): Likewise.
5958 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5959 * targhooks.c (default_external_stack_protect_fail): Likewise.
5961 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5963 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5964 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5965 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5966 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5967 (loadgp): Use mips_current_loadgp_style.
5968 (loadgp_noshared): New pattern.
5969 (sibcall_internal): Use MIPS_CALL.
5970 (sibcall_value_internal): Likewise.
5971 (sibcall_value_multiple_internal): Likewise.
5972 (call_internal): Likewise.
5973 (call_value_internal): Likewise.
5974 (call_value_multiple_internal): Likewise.
5975 (call_split): Use MIPS_CALL and add an 'S' constraint.
5976 (call_value_split): Likewise.
5977 (call_value_multiple_split): Likewise.
5978 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5979 (-mshared): New option.
5980 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5981 (mips_current_loadgp_style): Declare.
5982 * config/mips/mips.c (mips_classify_symbol): Avoid using
5983 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5984 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5985 TARGET_ABSOLUTE_ABICALLS.
5986 (override_options): Adjust comments. Improve the warning that is
5987 issued when -mabicalls and -G are used together.
5988 (mips_file_start): Remove comment.
5989 (mips_current_loadgp_style): New function.
5990 (mips_gnu_local_gp): New variable.
5991 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5993 (mips_output_function_prologue): Use mips_current_laodgp_style.
5994 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5995 the cprestore instruction.
5996 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5997 live for TARGET_ABSOLUTE_ABICALLS.
5998 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5999 (ASM_SPEC): Pass down -mshared and -mno-shared.
6000 (MIPS_CALL): New macro.
6001 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6003 * doc/invoke.texi (-mabicalls): Update documentation.
6004 (-mshared): Document.
6006 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6008 * config/ia64/unwind-hpux.c: New file.
6009 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6011 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6014 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6016 2006-03-21 Jeff Law <law@redhat.com>
6018 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6019 type conversions of a VR_VARYING source to a wider type.
6021 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6023 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6024 tm_file on Solaris 10 and later.
6025 (sparc64-*-solaris2*): Likewise.
6026 (sparc-*-solaris2*): Likewise.
6027 * config/sol26.h: Rename to config/sol2-6.h.
6028 * config/sol2-10.h: New file.
6030 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6033 * tree-ssa-pre.c (create_component_ref_by_pieces):
6036 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6039 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6040 return it immediately.
6042 2006-03-21 Michael Matz <matz@suse.de>
6044 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6046 (remove_arc, add_arc): Update num_out_arcs member.
6047 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6049 (cache_presence): New function.
6050 (compare_states_for_equiv): New function.
6051 (state_is_differed): Don't take number of outargs, adjust callers.
6052 Use new invariant for speeding up.
6053 (init_equiv_class): Create initial classes based on sorted
6055 (partition_equiv_class): Don't track out_arcs_num.
6056 (evaluate_equiv_classes): Call cache_presence on all states and
6059 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6061 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6062 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6063 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6064 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6066 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6067 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6068 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6069 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6070 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6072 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6073 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6074 (REGNO_REG_CLASS): ARGP is in PREGS.
6075 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6077 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6078 to deal with those addresses.
6079 * addresses.h: New file.
6080 * caller-save.c: Include "addresses.h".
6081 (init_caller_save): Use new base_reg_class function.
6082 * rtl-factoring.c: Include "addresses.h".
6083 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6084 * recog.c: Include "addresses.h".
6085 (preprocess_constraints): Use new base_reg_class function.
6086 * regrename.c: Include "addresses.h".
6087 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6088 functions. Keep track of a new var INDEX_CODE to compute valid
6090 (replace_oldest_value_addr): Likewise.
6091 (replace_oldest_value_mem): Use base_reg_class.
6092 * reload.c: Include "addresses.h".
6093 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6094 (find_reloads): Use new base_reg_class function.
6095 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6096 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6097 all callers and prototype changed.
6098 * reload1.c: Include "addresses.h".
6099 (maybe_fix_stack_asms): Use base_reg_class.
6100 * regclass.c: Include "addresses.h".
6101 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6102 (init_reg_autoinc): Use new base_reg_class function.
6103 (record_reg_classes): Likewise.
6104 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6105 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6106 Use new args to compute necessary class.
6108 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6109 regrename.o, rtl-factoring.o): Update dependencies.
6110 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6111 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6112 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6113 REG_OK_FOR_INDEX_P): Delete documentation.
6115 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6117 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6118 from V7 to V9 for Solaris 7 and above.
6120 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6122 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6123 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6124 argument pointers may not alias any other storage.
6125 * common.opt: Define option -fargument-noalias-anything.
6126 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6127 alias semantics is specified by flag_argument_noalias > 2.
6129 2006-03-20 Jeff Law <law@redhat.com>
6131 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6132 (pass_phi_only_cprop): Declare.
6133 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6135 * tree-ssa-dom.c (degenerate_phi_result): New function.
6136 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6137 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6138 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6139 (eliminate_degenerate_phis): Likewise.
6140 (pass_phi_only_cprop): New pass descriptor.
6141 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6142 support code. Callers updated.
6143 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6144 (store_copy_prop): Likewise.
6145 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6147 2006-03-20 Jason Merrill <jason@redhat.com>
6150 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6151 (push_visibility, pop_visibility): Likewise.
6152 * c-pragma.h: Declare them.
6154 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6156 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6158 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6159 parameter and use get_ebb_head_tail.
6160 (sh_md_init_global): Adjust uses of find_regmode_weight.
6162 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6164 * function.h (struct function) <x_tail_recursion_reentry>:
6165 Rename to x_stack_check_probe_note.
6166 (tail_recursion_reentry): Rename to stack_check_probe_note.
6167 * function.c: Replace tail_recursion_reentry with
6168 stack_check_probe_note everywhere.
6169 (expand_function_start): Only emit a note for
6170 stack_check_probe_note with -fstack-protect.
6171 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6173 * emit-rtl.c (remove_unnecessary_notes): Remove.
6174 (pass_remove_unnecessary_notes): Remove.
6175 * rtl.h (remove_unnecessary_notes): Remove prototype.
6176 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6177 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6178 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6180 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6183 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6184 (valid_in_set): Handle ARRAY_REF.
6185 Change "if min_variant or VH" to asserts.
6186 (create_component_ref_by_pieces): Handle ARRAY_REF.
6187 (create_expression_by_pieces): Likewise.
6188 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6190 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6192 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6193 is operand of switch, not str[0].
6195 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6197 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6198 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6200 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6202 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6203 end of insn_extra_address_constraint declaration.
6205 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6207 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6208 (no-sum-in-toc): Same.
6209 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6211 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6212 NO_FP_IN_TOC for -fPIC instead of mask.
6214 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6215 (BOOT_LDFLAGS): Delete.
6217 * config/rs6000/t-aix52: Same.
6219 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6220 (stmsi[345678]_power): New.
6222 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6224 * config/ia64/ia64.opt: Add empty line to end of file.
6226 2006-03-17 Richard Guenther <rguenther@suse.de>
6229 * builtins.c (get_pointer_alignment): For component style references
6230 adjust alignment to the component type alignment. Make sure
6231 to adjust alignment for component access of constants.
6233 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6235 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6238 2006-03-17 Paul Brook <paul@codesourcery.com>
6240 * doc/install.texi: Docuemnt --with-mode.
6241 * config.gcc: Add --with-mode for arm*-*-*.
6242 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6244 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6246 * sh.c (max_labelno_before_reorg): New variable.
6247 (sh_reorg): Initialize it.
6248 (find_barrier): Check max_labelno_before_reorg before using
6249 label_to_alignment. Take length of explicit alignment insns
6250 into account. When seeing a UNSPECV_CONST_END, return it.
6252 * sh.c (fixup_mova): Set mode of affected label to QImode.
6253 (untangle_mova): New function.
6254 (find_barrier): Use it. Check mode of label before decrementing
6256 (sh_reorg): Likewise.
6257 Set mode of all insns back to VOIDmode.
6259 * sh.c (MOVA_LABELREF): New macro.
6260 (mova_p, fixup_mova, sh_reorg): Use it.
6261 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6262 ADDR_DIFF_VEC matches mova.
6264 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6266 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6267 with ATTRIBUTE_UNUSED.
6269 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6271 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6272 pointer, instead of assuming it is possible to derive the
6273 correct args size from a call insn.
6275 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6277 * rtl.h (CONST_INT_P): Define.
6278 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6279 instead of GET_CODE(x) == CONST_INT.
6280 (vax_rtx_costs): Likewise.
6281 (vax_output_int_move): Likewise.
6282 (vax_output_int_add): Likewise.
6283 (legitimate_constant_address_p): Likewise.
6284 (index_term_p): Likewise.
6285 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6286 * config/vax/vax.md (and<mode>3): Likewise.
6287 (ashrsi3): Likewise.
6289 (movstricthi): Likewise.
6290 (movstrictqi): Likewise.
6291 (rotrsi3): Likewise.
6292 (five unnamed insns): Likewise.
6294 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6296 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6297 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6298 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6299 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6300 Pass to ASM_OUTPUT_DWARF_OFFSET.
6301 * dwarf2out.c (debug_frame_section): New.
6302 (output_call_frame_info): Use debug_frame_section. Pass it to
6303 dw2_asm_output_offset.
6304 (output_die): Pass appropriate section to dw2_asm_output_offset.
6305 (output_compilation_unit_header): Likewise.
6306 (output_pubnames): Likewise.
6307 (output_aranges): Likewise.
6308 (enum dw_val_class): Break dw_val_class_lbl_offset into
6309 dw_val_class_lineptr and dw_val_class_macptr.
6310 (add_AT_lbl_offset): Delete.
6311 (add_AT_lineptr): New.
6312 (add_AT_macptr): New.
6313 (AT_lbl): Expect a lineptr or macptr.
6314 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6315 (attr_checksum): Likewise.
6316 (same_dw_val_p): Likewise.
6317 (size_of_die): Likewise.
6318 (value_format): Likewise.
6319 (output_die): Likewise.
6320 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6322 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6323 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6324 * config/darwin-protos.h (darwin_file_start): New.
6325 (darwin_asm_output_dwarf_offset): New.
6326 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6327 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6329 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6330 if not EH section; simplify.
6331 (darwin_file_start): New.
6332 (darwin_asm_output_dwarf_offset): New.
6333 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6335 (DEBUG_INFO_SECTION): Likewise.
6336 (DEBUG_ABBREV_SECTION): Likewise.
6337 (DEBUG_ARANGES_SECTION): Likewise.
6338 (DEBUG_MACINFO_SECTION): Likewise.
6339 (DEBUG_LINE_SECTION): Likewise.
6340 (DEBUG_LOC_SECTION): Likewise.
6341 (DEBUG_PUBNAMES_SECTION): Likewise.
6342 (DEBUG_STR_SECTION): Likewise.
6343 (DEBUG_RANGES_SECTION): Likewise.
6344 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6345 (ASM_OUTPUT_DWARF_OFFSET): New.
6347 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6349 * config.gcc (tm_defines): Always add to previous value rather
6352 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6354 * config/mips/predicates.md (splittable_const_int_operand): New,
6355 split from move_operand.
6356 (splittable_symbolic_operand): New.
6357 (move_operand): Add commentary. Use splittable_const_int_operand.
6358 Inline mips_atomic_symbolic_constant_p.
6359 * config/mips/mips.md: Add combine splitters for handling moves
6360 of splittable_const_int_operands and splittable_symbolic_operands.
6361 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6362 (mips_split_symbol): Declare.
6363 (mips_move_integer): Declare.
6364 * config/mips/mips.c (mips_split_p): Make global.
6365 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6366 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6367 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6368 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6369 (mips_offset_within_object_p): Handle block symbols.
6370 (mips_atomic_symbolic_constant_p): Delete.
6371 (mips_cannot_force_const_mem): Return false for constants that
6372 mips_legitimize_move can handle.
6373 (mips_use_blocks_for_constant_p): New function.
6374 (mips_split_symbol): Make global.
6375 (mips_move_integer): Likewise. Add a temporary register argument.
6376 (mips_legitimize_const_move): Use splittable_const_int_operand and
6377 splittable_symbolic_operand.
6378 (mips_use_anchors_for_symbol_p): New function.
6379 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6380 (mips_split_p): Declare.
6382 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6384 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6385 (mips*-*-linux*): Likewise.
6387 2006-03-16 Roger Sayle <roger@eyesopen.com>
6388 Daniel Speyer <dspeyer@wam.umd.edu>
6391 * tree-dump.c (dump_real): New function.
6392 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6393 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6394 (tree-dump.o): Add $(REAL_H) to the dependencies.
6396 2006-03-16 Roger Sayle <roger@eyesopen.com>
6399 * real.c (real_from_string): If the mantissa is zero, don't bother
6400 parsing the exponent as the result should always be zero.
6402 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6404 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6406 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6408 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6409 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6410 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6411 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6412 ia64_sched_finish_global): New static functions to implement
6413 hooks from gcc_target.sched.
6414 (spec_check_no, max_uid, pending_data_specs): New static variables.
6415 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6416 ia64_spec_check_src_p): New static functions.
6417 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6418 (TARGET_SCHED_ADJUST_COST): Removed.
6419 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6420 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6421 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6422 TARGET_SCHED_GEN_CHECK,
6423 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6424 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6425 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6426 Fixed to handle speculation checks.
6427 (rtx_needs_barrier): Fixed to handle speculative loads and
6429 (ia64_variable_issue): Added code to count speculative loads and their
6431 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6433 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6435 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6437 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6438 (ia64_reorg): Reset stops_p to NULL after it is freed.
6439 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6440 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6441 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6443 (data_speculative, control_speculative, check_load): New attributes.
6444 (mov<mode>_advanced, mov<mode>_speculative,
6445 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6446 zero_extend<mode>di2_speculative,
6447 zero_extend<mode>di2_speculative_advanced): New patterns for
6448 data and control speculative loads.
6449 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6451 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6452 New pattern for data and control speculation checks.
6453 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6454 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6455 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6456 Auxiliary definitions for the patterns.
6457 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6458 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6460 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6462 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6463 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6464 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6465 New resource constraints.
6466 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6468 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6469 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6470 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6471 msched-in-control-spec, msched-ldc, msched-control-ldc,
6472 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6473 msched-prefer-non-control-spec-insns,
6474 msched-count-spec-in-critical-path): New flags to tune speculative
6476 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6477 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6478 msched-in-control-spec, msched-ldc, msched-control-ldc,
6479 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6480 msched-prefer-non-control-spec-insns,
6481 msched-count-spec-in-critical-path): Document new flags.
6483 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6485 * target.h (struct spec_info_def): New opaque declaration.
6486 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6487 speculate_insn, needs_block_p, gen_check,
6488 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6489 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6490 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6491 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6492 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6493 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6495 (TARGET_SCHED): Use new macros.
6496 * rtl.h (copy_DEPS_LIST_list): New prototype.
6497 * sched-int.h (struct sched_info): Change signature of new_ready field,
6498 adjust all initializations. New fields: add_remove_insn,
6499 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6500 region_head_or_leaf_p.
6501 (struct spec_info_def): New structure declaration.
6502 (spec_info_t): New typedef.
6503 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6504 recovery_block, orig_pat.
6505 (glat_start, glat_end): New variables declaraions.
6506 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6508 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6509 DETACH_LIFE_INFO, USE_GLAT.
6510 (enum SPEC_SCHED_FLAGS): New enumeration.
6511 (NOTE_NOTE_BB_P): New macro.
6512 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6513 attach_life_info, debug_spec_status, check_reg_live): New functions.
6514 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6515 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6517 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6518 * ddg.c (get_block_head_tail): Adjust all uses.
6519 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6520 (sms_sched_info): Initialize new fields.
6521 (contributes_to_priority): Removed.
6522 * haifa-sched.c (params.h): New include.
6523 (get_block_head_tail): Adjust all uses.
6524 (ISSUE_POINTS): New macro.
6525 (glat_start, glat_end): New global variables.
6526 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6527 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6528 old_last_basic_block, before_recovery, current_sched_info_var,
6529 rgn_n_insns, luid): New static variables.
6530 (insn_cost1): New function. Move logic from insn_cost to here.
6531 (find_insn_reg_weight1): New function. Move logic from
6532 find_insn_reg_weight to here.
6533 (reemit_notes, move_insn, max_issue): Change signature.
6534 (move_insn1): Removed.
6535 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6536 extend_bb): New static functions to support extension of scheduler's
6538 (generate_recovery_code, process_insn_depend_be_in_spec,
6539 begin_speculative_block, add_to_speculative_block,
6540 init_before_recovery, create_recovery_block, create_check_block_twin,
6541 fix_recovery_deps): New static functions to support
6542 generation of recovery code.
6543 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6544 restore_bb_notes, move_block_after_check, move_succs): New static
6545 functions to support ebb scheduling.
6546 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6547 functions to support handling of register live information.
6548 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6549 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6550 add_jump_dependencies): New static functions.
6551 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6552 consistancy checking.
6553 (debug_spec_status): New function to call from debugger.
6554 (priority): Added code to handle speculation checks.
6555 (rank_for_schedule): Added code to distinguish speculative instructions.
6556 (schedule_insn): Added code to handle speculation checks.
6557 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6558 Fixed to handle ebbs.
6559 (move_insn): Added code to handle ebb scheduling.
6560 (max_issue): Added code to use ISSUE_POINTS of instructions.
6561 (choose_ready): Added code to choose between speculative and
6562 non-speculative instructions.
6563 (schedule_block): Added code to handle ebb scheduling and scheduling of
6564 speculative instructions.
6565 (sched_init): Initialize new variables.
6566 (sched_finish): Free new variables. Print statistics.
6567 (try_ready): Added code to handle speculative instructions.
6568 * lists.c (copy_DEPS_LIST_list): New function.
6569 * sched-deps.c (extend_dependency_caches): New function. Move logic
6570 from create_dependency_caches to here.
6571 (get_dep_weak, ds_merge): Make global.
6572 * genattr.c (main): Code to output prototype for
6573 dfa_clear_single_insn_cache.
6574 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6575 (output_dfa_clean_insn_cache_func): Code to output
6576 dfa_clear_single_insn_cache function.
6577 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6579 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6581 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6582 New static variables.
6583 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6584 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6586 (ebb_sched_info): Initialize new fields.
6587 (get_block_head_tail): Adjust all uses.
6588 (compute_jump_reg_dependencies): Fixed to use glat_start.
6589 (schedule_ebb): Code to remove unreachable last block.
6590 (schedule_ebbs): Added code to update register live information.
6591 * sched-rgn.c (region_sched_info): Initialize new fields.
6592 (get_block_head_tail): Adjust all uses.
6593 (last_was_jump): Removed. Adjust users.
6594 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6595 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6596 Implement new hooks.
6597 (check_dead_notes1): New static function.
6598 (struct region): New fields: dont_calc_deps, has_real_ebb.
6599 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6600 (BB_TO_BLOCK): Fixed to handle EBBs.
6601 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6602 (ebb_head): New static variable.
6603 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6604 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6606 (compute_dom_prob_ps): New assertion.
6607 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6608 global_live_at_start.
6609 (init_ready_list): New assertions.
6610 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6611 (new_ready): Add support for BEGIN_CONTROL speculation.
6612 (schedule_insns): Fixed code that updates register live information
6614 (schedule_region): Fixed to handle EBBs.
6615 (init_regions): Use extend_regions and check_dead_notes1.
6616 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6617 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6618 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6619 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6620 TARGET_SCHED_GEN_CHECK,
6621 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6622 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6623 * doc/invoke.texi (max-sched-insn-conflict-delay,
6624 sched-spec-prob-cutoff): Document.
6626 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6628 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6629 inter_tick, queue_index.
6630 (struct sched_info): Change signature of init_ready_list field.
6631 Adjust all initializations.
6632 (RESOLVED_DEPS): New access macro.
6633 (ready_add): Remove prototype.
6634 (try_ready): Add prototype.
6635 * sched-rgn.c (init_ready_list): Use try_ready.
6636 (schedule_region): Initialize
6637 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6638 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6639 (init_ready_list): Use try_ready.
6640 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6641 * lists.c (remove_list_elem): Remove `static'.
6642 (remove_free_INSN_LIST_elem): New function.
6643 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6644 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6645 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6647 (readyp): New variable.
6648 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6649 change_queue_index, resolve_dep): New static functions.
6650 (try_ready): New function. Adjust callers in sched-rgn.c and
6651 sched-ebb.c to use it instead of ready_add.
6652 (clock_var): Move at the begining of file.
6653 (rank_for_schedule): Fix typo.
6654 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6655 (ready_lastpos): Enforce assertion.
6656 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6658 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6659 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6660 (queue_to_ready): Use free_INSN_LIST_list.
6661 (early_queue_to_ready): Fix typo.
6662 (schedule_block): Init readyp. Move init_ready_list call after the
6663 initialization of clock_var. Fix error in rejecting insn by
6664 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6665 that previously corrected INSN_TICKs. Add code for handling
6667 (set_priorities): Fix typo.
6668 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6669 Clarify comment and code that keeps current_sched_info->next_tail
6672 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6674 * sched-rgn.c (extend_rgns): New static function.
6675 (find_rgns): Use it.
6676 (gather_region_statistics, print_region_statistics): New static
6678 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6679 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6681 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6682 Andrey Belevantsev <abel@ispras.ru>
6684 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6685 * lists.c (unused_deps_list): New variable.
6686 (free_list): Add assertions to verify the proper distinguishing
6687 between INSN_LISTs and DEPS_LISTs.
6688 (find_list_elem, remove_list_elem, remove_list_node): New static
6690 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6691 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6692 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6693 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6695 (free_INSN_LIST_node): Likewise.
6696 * modulo-sched.c (current_sched_info): Initialize flags field.
6697 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6698 * rtl.def (DEPS_LIST): Define.
6699 * rtl.h: Declare new functions from lists.c.
6700 * sched-deps.c (spec_dependency_cache): New static variable.
6701 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6702 (add_dependence): Change return type to void. Move the logic to ...
6703 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6704 (delete_all_dependences): Add comment about forward_dependency_cache.
6705 Handle spec_dependency_cache. Handle DEPS_LISTs.
6706 (fixup_sched_groups): Clarify the change of priority of output
6707 and anti dependencies.
6708 (sched_analyze_2): Adjust add_dependence calls to create data
6709 speculative dependence.
6710 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6711 Adjust all callers. Handle DEPS_LISTS.
6712 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6713 presence of speculation.
6714 (init_dependency_caches, free_dependency_caches):
6715 Handle spec_dependency_cache.
6716 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6717 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6718 New static functions.
6719 (add_or_update_back_dep, add_or_update_back_forw_dep,
6720 add_back_forw_dep, delete_back_forw_dep): New functions.
6721 * sched-int.h (ds_t, dw_t): New typedefs.
6722 (struct sched_info): Add new field flags.
6723 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6724 Prototype new sched-deps.c functions.
6725 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6726 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6727 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6728 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6729 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6730 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6732 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6734 * sched-rgn.c (current_sched_info): Initialize flags field.
6735 (schedule_insns): Initialize current_sched_info before the sched_init
6737 * sched-ebb.c (current_sched_info): Initialize flags field.
6738 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6739 Call add_or_update_back_dep instead of add_dependence.
6740 Create control speculative dependencies.
6741 (schedule_insns): Initialize current_sched_info before the sched_init
6744 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6746 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6748 (sh_fallback_frame_state): Likewise.
6750 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6752 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6753 Do switch on default_use_cxa_atexit.
6754 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6755 * config/darwin-crt3.o: New.
6756 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6757 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6758 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6760 * config/rs6000/t-darwin: Move crt2.o building to here.
6761 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6762 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6765 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6767 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6768 from '! xxx' to '!xxx' for coding-style conformance.
6769 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6770 (EXTRA_CONSTRAINT): Likewise.
6771 * config/vax/vax.md (four unnamed insns): Likewise.
6773 2006-03-15 Paul Brook <paul@codesourcery.com>
6775 * config/arm/arm.c (minipool_pad): New.
6776 (add_minipool_forward_ref): Include pool alignment padding in address
6778 (push_minipool_fix): Set minipool_pad.
6779 (minipool_pad): Ditto.
6781 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6783 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6784 instead of GET_CODE() == MEM and REG_P() instead of
6786 (print_operand_address): Likewise.
6787 (vax_address_cost): Likewise.
6788 (vax_rtx_costs): Likewise.
6789 (vax_notice_update_cc): Likewise.
6790 (vax_output_int_add): Likewise.
6791 (INDEX_REGISTER_P): Likewise.
6792 (BASE_REGISTER_P): Likewise.
6793 (nonindexed_address_p): Likewise.
6794 (vax_mode_dependent_address_p): Likewise.
6795 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6796 (PRINT_OPERAND): Likewise.
6797 * config/vax/vax.md (ashlsi3): Likewise.
6798 (ashlsi3): Likewise.
6799 (some more unnamed insns): Likewise.
6801 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6803 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6804 iterator-style macro.
6805 (mark_control_dependent_edges_necessary): Update the use of
6806 EXECUTE_IF_CONTROL_DEPENDENT.
6808 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6810 * config/sh/predicates.md (cache_address_operand): Special.
6811 (ua_address_operand): Likewise.
6813 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6815 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6817 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6819 2006-03-15 Andreas Schwab <schwab@suse.de>
6821 * gensupport.c (identify_predicable_attribute): Don't free p_false
6822 when it is still in use.
6824 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6826 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6827 the default setting here.
6829 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6831 * tree-pass.h (pass_cfg): Remove.
6832 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6833 * passes.c (pass_cfg): Don't run it.
6835 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6837 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6838 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6840 (stack_regs_mentioned): Update the uses of
6841 stack_regs_mentioned_data. Don't access the array beyond its
6843 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6844 Don't include gt-reg-stack.h.
6846 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6847 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6849 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6852 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6855 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6857 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6859 2006-03-14 Richard Guenther <rguenther@suse.de>
6861 PR tree-optimization/26672
6862 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6865 2006-03-14 Richard Guenther <rguenther@suse.de>
6867 PR tree-optimization/26667
6868 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6869 node for the callees. Always allow inlining if it will shrink
6872 2006-03-14 Richard Guenther <rguenther@suse.de>
6875 * builtins.c (get_pointer_alignment): Prefer alignment
6876 information from decls over that from types.
6878 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6881 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6883 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6885 * config/rs6000/rs6000.opt (mdlmzb): New option.
6886 (msched-prolog, msched-epilog): Use Var not Mask.
6887 * doc/invoke.texi (-mdlmzb): Document.
6888 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6890 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6891 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6893 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6895 PR rtl-optimization/25739
6896 * bt-load.c (augment_live_range): Free tos pointer.
6898 * gensupport.c (identify_predicable_attribute): Free
6900 * gcov.c (create_file_names): Free name pointer.
6902 2006-03-13 Roger Sayle <roger@eyesopen.com>
6905 * stmt.c (emit_case_nodes): Handle the case where the index is a
6906 CONST_INT, where the comparison mode is specified by the index type.
6908 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6910 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6913 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6915 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6916 (*branch_fp_inverted): Likewise.
6918 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6921 * omp-low.c (expand_omp_for_generic): Mark istart0
6922 and iend0 as addressable.
6924 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6926 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6928 2006-03-13 Jeff Law <law@redhat.com>
6930 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6931 virtual operands are interesting.
6932 (vrp_visit_stmt): Corresponding changes.
6934 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6936 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6938 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6939 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6940 * config/bfin/crti.S: Use it instead of __PIC__.
6941 * config/bfin/crtn.S: Likewise.
6943 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6944 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6946 Lose 'G' modifier for call operand.
6947 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6948 recognize 'G' modifier.
6950 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6953 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6954 * stmt.c (expand_case): Likewise.
6956 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6958 PR rtl-optimization/26254
6959 * loop-invariant.c (seq_insns_valid_p): New function.
6960 (move_invariant_reg): Only emit new code if it is valid.
6962 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6964 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6966 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6967 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6968 (commit_one_edge_insertion): Do not look for loop notes.
6970 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6972 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6973 flag_test_coverage out of loop.
6975 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6977 * final.c (shorten_branches): Remove outdated comment, and turn
6978 the if branch that guards it to continue.
6980 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6982 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6983 * cfgloop.h (struct loop): Remove unused fields.
6985 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6987 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6988 (-dL, -fdump-rtl-loop2): Update the dump file names
6990 * doc/invoke.texi: Update dump file names.
6992 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6994 * predict.c (estimate_probability): Remove.
6995 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6996 * basic-block.h (estimate_probability): Remove prototype.
6997 * passes.c (finish_optimization_passes): Dump branch prediction or
6998 profiling heuristics to the .profile tree dump.
6999 (init_optimization_passes): Unqueue pass_branch_prob.
7001 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7003 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7005 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7006 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7008 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7010 * function.h (frame_offset_overflow): Declare.
7011 * function.c (frame_offset_overflow): New function.
7012 (assign_stack_local_1): Call it to detect that the offset overflows.
7013 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7015 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7017 * config/sh/sh.c: Include alloc-pool.h.
7018 (label_ref_list_pool): New alloc pool.
7019 (label_ref_list_t): New type for lists of labels.
7020 (struct pool_node): Make wend a label_ref_list_t.
7021 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7023 (dump_table): Likewise.
7024 (sh_reorg): Set up the alloc pool before using add_constant and
7025 dump_table, and destroy it when finishing.
7027 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7029 * config/mips/mips.c: Remove redundant comment.
7031 2006-03-10 Jason Merrill <jason@redhat.com>
7034 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7035 the target was declared 'register'.
7037 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7039 * genpreds.c (write_insn_constraint_len): Change definition of
7040 insn_constraint_len to return size_t to match the declaration.
7042 2006-03-10 DJ Delorie <dj@redhat.com>
7044 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7046 (m32c_expand_insv): Fix test for an AND mask.
7048 2006-03-10 Richard Guenther <rguenther@suse.de>
7051 * builtins.c (get_pointer_alignment): Handle component
7052 references for field alignment.
7054 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7056 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7057 when building with libgloss.
7058 (sh*elf): Implement --without-fp option.
7059 (sh64-superh-linux*): Don't multilib.
7061 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7063 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7065 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7067 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7068 Set it when one of the replacement functions returned true.
7069 Return TODO_cleanup_cfg if cfgchanged is true.
7070 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7072 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7074 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7075 instead of gen_lowpart.
7077 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7079 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7081 (mips_output_order_conditional_branch): Declare.
7082 * config/mips/mips.h (MIPS_BRANCH): New macro.
7083 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7084 for the comparison. Use gen_condjump.
7085 (mips_output_conditional_branch): Rework interface to take the
7086 asm templates for a direct branch and the inverse of a direct branch.
7087 (mips_output_order_conditional_branch): New function.
7088 (mips_builtin_branch_and_move): New function.
7089 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7090 branch condition. Use gen_single_cc as the condition for
7091 __builtin_mips_upper_* or __builtin_mips_lower_*.
7092 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7093 Use VOIDmode for the branch condition.
7094 * config/mips/predicates.md (order_operator): New predicate.
7095 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7096 (branch_fp): Rename to...
7097 (*branch_fp): ...this. Remove mode from comparison operator.
7098 Use new mips_output_conditional_branch interface.
7099 (branch_fp_inverted): Rename to...
7100 (*branch_fp_inverted): ...this and update as for *branch_fp.
7101 (*branch_zero<mode>): Rename to...
7102 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7103 Use mips_output_order_conditional_branch. Only accept ordered
7105 (*branch_zero<mode>_inverted): Rename to...
7106 (*branch_order<mode>_inverted): ...this and update as for
7107 *branch_order<mode>.
7108 (*branch_equality<mode>): Accept zero as the second operand to
7109 the equality operator. Use the new mips_output_conditional_branch
7111 (*branch_equality<mode>_inverted): Likewise.
7112 (condjump): New expander.
7113 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7115 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7116 (bc1any2t, bc1any2f): Likewise.
7117 (single_cc): New expander.
7118 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7120 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7122 * doc/md.texi: Update documentation of MIPS constraints.
7123 * config/mips/constraints.md: New file.
7124 * config/mips/mips.md: Include it.
7125 * config/mips/mips.c (mips_char_to_class): Delete.
7126 (override_options): Don't initialize mips_char_to_class.
7127 * config/mips/mips.h (mips_char_to_class): Delete.
7128 (REG_CLASS_FROM_LETTER): Delete.
7129 (CONST_OK_FOR_LETTER_P): Delete.
7130 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7131 (EXTRA_CONSTRAINT_Y): Delete.
7132 (EXTRA_CONSTRAINT_STR): Delete.
7133 (CONSTRAINT_LEN): Delete.
7134 (EXTRA_MEMORY_CONSTRAINT): Delete.
7136 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7138 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7139 original fn's eh regions.
7141 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7143 * fold-const.c (build_range_check): Make sure to use a valid type to
7144 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7147 (range_predecessor): New static function.
7148 (range_successor): Likewise.
7149 (merge_ranges): Use them to compute predecessors and successors of
7152 2006-03-09 Roger Sayle <roger@eyesopen.com>
7155 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7156 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7158 2006-03-08 DJ Delorie <dj@redhat.com>
7160 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7161 (addpsi3): Expand to include memory operands. Remove
7162 reload-specific splits.
7163 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7164 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7165 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7166 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7167 (shift1_qi, shift1_hi, insv): New.
7168 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7169 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7170 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7172 * config/m32c/m32c-protos.h: Update as needed.
7173 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7174 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7175 Fail for unrecognized R* constraints.
7176 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7177 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7178 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7180 (m32c_init_libfuncs): New.
7181 (m32c_legitimate_address_p): Add debug wrapper.
7182 (m32c_rtx_costs): New.
7183 (m32c_address_cost): New.
7184 (conversions): Add 'B' prefix.
7185 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7186 operands, or word regnames for QI operands. 'B' prints bit
7188 (m32c_expand_setmemhi): New.
7189 (m32c_expand_movmemhi): New.
7190 (m32c_expand_movstr): New.
7191 (m32c_expand_cmpstr): New.
7192 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7193 (m32c_expand_neg_mulpsi3): Handle non-ints.
7194 (m32c_cmp_flg_0): New.
7195 (m32c_expand_movcc): New.
7196 (m32c_expand_insv): New.
7197 (m32c_scc_pattern): New.
7198 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7199 a0/a1 out of SIregs.
7200 (STORE_FLAG_VALUE): New.
7201 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7204 * config/m32c/mov.md: Make constraints more liberal.
7205 (zero_extendqihi2): Optimize r0/r1 case.
7206 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7207 * config/m32c/predicates.md (m32c_any_operand): New.
7208 (m32c_nonimmediate_operand): New.
7209 (m32c_hl_operand): New.
7210 (m32c_r3_operand): New.
7213 (memsym_operand): New.
7214 (memimmed_operand): New.
7215 (a_qi_operand): New.
7216 (m32c_eqne_operator): New.
7217 (m32c_1bit8_operand): New.
7218 (m32c_1bit16_operand): New.
7219 (m32c_1mask8_operand): New.
7220 (m32c_1mask16_operand): New.
7221 * config/m32c/blkmov.md: New file.
7222 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7224 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7226 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7227 unsigned to fix signed/unsigned comparison issue in
7228 DWARF2_FRAME_REG_OUT.
7229 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7230 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7232 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7233 of ptr into the ENABLE_CHECKING section.
7235 2006-03-08 Jeff Law <law@redhat.com>
7237 * tree-vrp.c (infer_value_range): Only count pointer uses
7238 and dereferences if -fdelete-null-pointer-checks is enabled.
7240 * tree-vrp.c (find_assert_locations): Infer value ranges for
7241 single use pointers, but do not create ASSERT_EXPRs for them.
7242 When a non-null range is inferred for a pointer, backwards
7243 propagate that range to other equivalent pointers through the
7246 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7249 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7250 language hook targets.
7251 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7252 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7253 if language hook targets were missing.
7255 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7257 * tree-ssa-opfinalize.h: Removed.
7258 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7260 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7261 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7262 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7263 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7264 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7265 finalize_ssa_v_must_def_ops): New.
7267 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7269 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7272 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7274 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7276 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7277 addresses with offsets; reorganize.
7279 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7280 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7281 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7283 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7286 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7288 2006-03-08 Ben Elliston <bje@au.ibm.com>
7290 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7292 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7295 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7298 2006-03-07 Richard Guenther <rguenther@suse.de>
7300 PR tree-optimization/26587
7301 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7303 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7305 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7307 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7309 * hooks.c (hook_bool_mode_rtx_true): New function.
7310 * hooks.h (hook_bool_mode_rtx_true): Declare.
7311 * toplev.c (compile_file): Call output_shared_constant_pool.
7312 * varasm.c (shared_constant_pool): New variable.
7313 (assemble_start_function, assemble_end_function): Remove arguments
7314 from call to output_constant_pool.
7315 (create_constant_pool): New function, split out from...
7316 (init_varasm_status): ...here.
7317 (force_const_mem): Choose between the shared and per-function constant
7318 pools. Set current_function_uses_const_pool when reusing old entries
7319 as well as when creating new ones.
7320 (mark_constant): Ignore data argument.
7321 (mark_constants): Remove pool argument.
7322 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7323 to decide whether the function uses a constant pool.
7324 (output_constant_pool_contents): New function, split out from...
7325 (output_constant_pool): ...here.
7326 (output_shared_constant_pool): New function.
7327 (init_varasm_once): Initialize shared_constant_pool.
7328 * output.h (output_constant_pool): Delete.
7329 (output_shared_constant_pool): Declare.
7330 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7331 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7333 2006-03-06 Nick Clifton <nickc@redhat.com>
7335 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7336 flag_strength_reduce.
7338 2006-03-06 Ben Elliston <bje@au.ibm.com>
7340 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7341 x86_64-*-linux* configurations.
7343 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7344 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7346 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7348 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7350 * basic-block.h: Remove the extern for
7351 rediscover_loops_after_threading.
7353 * cfgloop.c (cancel_loop): Make it static.
7354 * cfgloop.h: Remove the prototype for cancel_loop.
7356 * flow.c (recompute_reg_usage): Make it static.
7357 * rtl.h: Remove the prototype for recompute_reg_usage.
7359 * function.c (use_return_register): Make it static.
7360 * function.h: Remove the prototype.
7362 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7364 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7366 * recog.h: Remove the prototype for
7367 validate_change_maybe_volatile.
7369 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7371 * rtlanal.c (replace_reg): Remove.
7372 * rtl.h: Remove the prototype for replace_reg.
7374 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7376 * regclass.c (reg_scan_update): Remove.
7377 (reg_scan_mark_refs): Remove the last argument.
7378 * rtl.h: Remove the prototype for reg_scan_update.
7380 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7382 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7383 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7384 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7385 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7386 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7387 loop-invariant.c, omp-low.c, opts.c, passes.c,
7388 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7389 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7390 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7391 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7392 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7393 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7395 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7397 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7398 * dwarf2out.h: Remove the prototype for
7399 dwarf2out_add_library_unit_info.
7401 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7403 * tree.c (add_var_to_bind_expr): Remove.
7404 * tree.h: Remove the prototype for add_var_to_bind_expr.
7406 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7408 * regclass.c (n_non_fixed_regs): Remove.
7409 (init_reg_sets_1, globalize_reg): Remove all uses of
7411 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7413 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7415 * rtlanal.c (insns_safe_to_move_p): Remove.
7416 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7418 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7420 * expmed.c (expand_mult_add): Remove.
7421 * expr.h: Remove the prototype for expand_mult_add.
7423 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7425 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7426 and REG_SAVED_VAL_EXP constants.
7427 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7428 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7429 Handle regs stored by value.
7430 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7431 (execute_cfa_program): Handle DW_CFA_val_offset,
7432 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7433 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7434 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7435 (uw_install_context_1): Handle target regs stored by value.
7437 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7439 * tree-sra.c (tree_sra): Return todoflags;
7440 (generate_one_element): Set TODO_update_smt_usage if needed.
7441 (pass_sra): Remove TODO_update_smt_usage.
7442 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7444 (tree_ssa_forward_propagate_single_use_vars): Return
7445 TODO_update_smt_usage if we need to update SMT usage.
7446 (pass_forwprop): Remove TODO_update_smt_usage.
7448 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7450 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7451 (correct_use_link): Remove reference to get_stmt_operands.
7452 (update_stmt_operands): Likewise.
7453 (get_modify_expr_operands): New function factored out of
7454 parse_ssa_operands and get_expr_operands.
7455 Try to create V_MUST_DEFs for LHS by default.
7456 (get_expr_operands) <case MODIFY_EXPR>: Call
7457 get_modify_expr_operands.
7458 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7459 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7460 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7461 get_modify_expr_operands.
7463 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7465 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7466 * tree-flow.h: Remove the prototype for
7467 referenced_var_lookup_if_exists.
7469 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7471 PR rtl-optimization/26345
7473 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7475 2006-03-03 Roger Sayle <roger@eyesopen.com>
7477 PR tree-optimization/26524
7478 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7479 fold_convert to create a constant of the appropriate type.
7481 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7483 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7484 SYMBOL_REF_IN_BLOCK_P.
7485 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7486 of SYMBOL_FLAG_IN_BLOCK.
7487 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7488 instead of SYMBOL_REF_IN_BLOCK_P.
7489 * explow.c (use_anchored_address): Likewise.
7490 * rtl.c (rtx_size): Likewise.
7491 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7492 instead of SYMBOL_FLAG_IN_BLOCK.
7493 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7494 SYMBOL_REF_IN_BLOCK_P.
7495 (assemble_variable): Likewise.
7496 (output_constant_def_contents): Likewise.
7497 (output_constant_pool): Likewise.
7498 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7499 instead of SYMBOL_FLAG_IN_BLOCK.
7500 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7501 SYMBOL_REF_IN_BLOCK_P.
7502 (SYMBOL_REF_BLOCK): Likewise.
7503 (SYMBOL_REF_OFFSET): Likewise.
7504 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7505 SYMBOL_REF_IN_BLOCK_P.
7506 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7507 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7508 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7509 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7511 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7513 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7515 2006-03-02 Roger Sayle <roger@eyesopen.com>
7517 * simplify-rtx.c (simplify_unary_operation): When simplifying
7518 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7519 that we perform the right shift in the appropriate mode, and
7520 then extend or truncate the result to requested mode.
7522 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7524 * gengtype.c (main): Handle double_int type.
7525 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7526 * double-int.c: New file.
7527 * double-int.h: New file.
7528 * system.h: Include doubleint.h.
7529 * Makefile.in (SYSTEM_H): Include double-int.h.
7530 (double-int.o): Add.
7532 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7535 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7538 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7540 * tree-vrp.c (remove_range_assertions): Do not update statements
7543 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7545 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7547 * gcse.c (rest_of_handle_gcse): Ditto.
7548 * except.c (gate_handle_eh): Ditto.
7549 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7550 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7552 2006-03-02 Eric Christopher <echristo@apple.com>
7554 * config/i386/i386.c (machopic_output_stub): Add indirection to
7557 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7561 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7563 Sun Niagara specific optimizations.
7564 * config.gcc: Recognize niagara as target.
7565 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7566 (TARGET_CPU_niagara): Define.
7567 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7568 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7569 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7570 (ASM_CPU_SPEC): Likewise.
7571 (PROCESSOR_NIAGARA): New enum entry.
7572 (REGISTER_MOVE_COST): Handle Niagara.
7573 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7574 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7575 (sparc_override_options): Recognize "niagara", set appropriate
7576 default MASK_* values for it, and align functions to 32-bytes
7577 by default just like ULTRASPARC/ULTRASPARC3.
7578 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7579 (sparc64_initialize_trampoline): Likewise.
7580 (sparc_use_sched_lookahead): Use zero for niagara.
7581 (sparc_issue_rate): Use one for niagara.
7582 * config/sparc/niagara.md: New file.
7583 * config/sparc/sparc.md: Include it.
7584 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7585 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7586 when default cpu is niagara.
7587 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7588 (ASM_CPU_SPEC): Likewise.
7589 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7590 when default cpu is niagara.
7591 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7592 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7593 just like v9/ultrasparc/ultrasparc3.
7594 * doc/invoke.texi: Add documentation for "niagara" and improve
7595 existing documentation for ultrasparc variants.
7597 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7599 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7601 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7603 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7604 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7605 and say that only one is needed.
7606 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7607 * target.h (have_switchable_bss_sections): New hook.
7608 * explow.c (use_anchored_address): Check that the symbol is in a block.
7609 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7610 (bss_noswitch_section): New variables.
7611 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7612 (get_noswitch_section): New function.
7613 (get_block_for_section): Allow SECT to be null.
7614 (unlikely_text_section_p): Use SECTION_STYLE.
7615 (bss_initializer_p): New function.
7616 (get_variable_section): Move earlier in file. Take a new argument,
7617 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7618 Return one of the new *_sections in such cases.
7619 (get_block_for_decl): New function, extracting some logic from
7620 use_blocks_for_decl_p.
7621 (change_symbol_section): Remove in favor of...
7622 (change_symbol_block): ...this new function.
7623 (use_blocks_for_decl_p): Remove checks now performed by
7625 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7626 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7627 (emit_local, emit_bss, emit_common): ...these new functions.
7628 Return true if the alignment was honored.
7629 (emit_tls_common): New function.
7630 (asm_emit_uninitialised): Delete.
7631 (assemble_variable_noswitch): New function, split out from...
7632 (assemble_variable): ...here. Don't make decisions about common
7633 variables here. Globalize all public decls that go into non-common
7634 sections. Check whether SYMBOL_REF_BLOCK is null.
7635 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7636 (output_constant_pool): Likewise.
7637 (init_varasm_once): Initialize the new section variables.
7638 (have_global_bss_p): New function.
7639 (categorize_decl_for_section): Use bss_initializer_p.
7640 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7641 (place_block_symbol): Assert that the symbol must be in a block.
7642 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7643 (TARGET_INITIALIZER): Include it.
7644 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7645 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7646 (SECTION_MACH_DEP): Bump by two.
7647 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7648 (unnamed_section): Mention SECTION_UNNAMED in comment.
7649 (named_section): Likewise SECTION_NAMED.
7650 (noswitch_section_callback): New type.
7651 (noswitch_section): New structure.
7652 (section): Add a noswitch_section alternative.
7653 (SECTION_STYLE): New macro.
7654 (tls_comm_section, comm_section, lcomm_section): Declare.
7655 (bss_noswitch_section, have_global_bss_p): Declare.
7656 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7657 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7659 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7660 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7663 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7665 * tree-vrp.c (execute_vrp): Return value.
7666 * regrename.c (rest_of_handle_regrename): Ditto.
7667 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7668 * tree-complex.c (tree_lower_complex): Ditto.
7669 (tree_lower_complex_O0): Ditto.
7670 * tracer.c (rest_of_handle_tracer): Ditto.
7671 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7672 * postreload.c (rest_of_handle_postreload): Ditto.
7673 * tree-tailcall.c (execute_tail_recursion): Ditto.
7674 (execute_tail_calls): Ditto.
7675 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7676 * tree.h (init_function_for_compilation): Ditto.
7677 * ipa-cp.c (ipcp_driver): Ditto.
7678 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7679 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7680 * final.c (compute_alignments): Ditto.
7681 (rest_of_handle_final): Ditto.
7682 (rest_of_handle_shorten_branches): Ditto.
7683 (rest_of_clean_state): Ditto.
7684 * omp-low.c (execute_expand_omp): Ditto.
7685 (execute_lower_omp): Ditto.
7686 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7687 * ipa-reference.c (static_execute): Ditto.
7688 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7689 * reorg.c (rest_of_handle_delay_slots): Ditto.
7690 (rest_of_handle_machine_reorg): Ditto.
7691 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7692 * flow.c (recompute_reg_usage): Ditto.
7693 (rest_of_handle_remove_death_notes): Ditto.
7694 (rest_of_handle_life): Ditto.
7695 (rest_of_handle_flow2): Ditto.
7696 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7697 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7698 (do_ssa_store_ccp): Ditto.
7699 (execute_fold_all_builtins): Ditto.
7700 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7701 * modulo-sched.c (rest_of_handle_sms): Ditto.
7702 * ipa-pure-const.c (static_execute): Ditto.
7703 * cse.c (rest_of_handle_cse): Ditto.
7704 (rest_of_handle_cse2): Ditto.
7705 * web.c (rest_of_handle_web): Ditto.
7706 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7707 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7708 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7709 * tree-nrv.c (tree_nrv): Ditto.
7710 (execute_return_slot_opt): Ditto.
7711 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7712 (create_structure_vars): Ditto.
7713 * loop-init.c (rtl_loop_init): Ditto.
7714 (rtl_loop_done): Ditto.
7715 (rtl_move_loop_invariants): Ditto.
7716 (rtl_unswitch): Ditto.
7717 (rtl_unroll_and_peel_loops): Ditto.
7718 (rtl_doloop): Ditto.
7719 * gimple-low.c (lower_function_body): Ditto.
7720 (mark_used_blocks): Ditto.
7721 * tree-ssa-sink.c (execute_sink_code): Ditto.
7722 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7723 (cgraph_early_inlining): Ditto.
7724 * global.c (rest_of_handle_global_alloc): Ditto.
7725 * jump.c (cleanup_barriers): Ditto.
7726 (purge_line_number_notes): Ditto.
7727 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7728 (rest_of_handle_if_after_reload): Ditto.
7729 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7730 (tree_ssa_loop_im): Ditto.
7731 (tree_ssa_loop_unswitch): Ditto.
7732 (tree_vectorize): Ditto.
7733 (tree_linear_transform): Ditto.
7734 (tree_ssa_loop_ivcanon): Ditto.
7735 (tree_ssa_empty_loop): Ditto.
7736 (tree_ssa_loop_bounds): Ditto.
7737 (tree_complete_unroll): Ditto.
7738 (tree_ssa_loop_prefetch): Ditto.
7739 (tree_ssa_loop_ivopts): Ditto.
7740 (tree_ssa_loop_done): Ditto.
7741 * predict.c (tree_estimate_probability): Ditto.
7742 * recog.c (split_all_insns_noflow): Ditto.
7743 (rest_of_handle_peephole2): Ditto.
7744 (rest_of_handle_split_all_insns): Ditto.
7745 * tree-eh.c (lower_eh_constructs): Ditto.
7746 * regmove.c (rest_of_handle_regmove): Ditto.
7747 (rest_of_handle_stack_adjustments): Ditto.
7748 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7749 * function.c (instantiate_virtual_regs): Ditto.
7750 (init_function_for_compilation): Ditto.
7751 (rest_of_handle_check_leaf_regs): Ditto.
7752 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7753 (rest_of_handle_gcse): Ditto.
7754 * ipa-type-escape.c (type_escape_execute): Ditto.
7755 * alias.c (rest_of_handle_cfg): Ditto.
7756 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7757 * profile.c (rest_of_handle_branch_prob): Ditto.
7758 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7759 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7760 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7761 * tree-dfa.c (find_referenced_vars): Ditto.
7762 * except.c (set_nothrow_function_flags): Ditto.
7763 (convert_to_eh_region_ranges): Ditto.
7764 (rest_of_handle_eh): Ditto.
7765 * emit-rtl.c (unshare_all_rtl): Ditto.
7766 (remove_unnecessary_notes): Ditto.
7767 * except.h (set_nothrow_function_flags): Ditto.
7768 (convert_to_eh_region_ranges): Ditto.
7769 * cfgexpand.c (tree_expand_cfg): Ditto.
7770 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7771 * tree-ssa-pre.c (do_pre): Ditto.
7772 (execute_fre): Ditto.
7773 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7774 (rest_of_handle_jump2): Ditto.
7775 * tree-sra.c (tree_sra): Ditto.
7776 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7777 (execute_mudflap_function_decls): Ditto.
7778 * tree-ssa-copy.c (do_copy_prop): Ditto.
7779 (do_store_copy_prop): Ditto.
7780 * ipa-prop.h (ipcp_driver): Ditto.
7781 * cfglayout.c (insn_locators_initialize): Ditto.
7782 * tree-ssa-forwprop.c
7783 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7784 * cfglayout.h (insn_locators_initialize): Ditto.
7785 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7786 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7787 (execute_late_warn_uninitialized): Ditto.
7788 * rtl.h (cleanup_barriers): Ditto.
7789 (split_all_insns_noflow): Ditto.
7790 (purge_line_number_notes): Ditto.
7791 (unshare_all_rtl): Ditto.
7792 (remove_unnecessary_notes): Ditto.
7793 (recompute_reg_usage): Ditto.
7794 (variable_tracking_main): Ditto.
7795 * integrate.c (emit_initial_value_sets): Ditto.
7796 * integrate.h (emit_initial_value_sets): Ditto.
7797 * tree-optimize.c (execute_free_datastructures): Ditto
7798 (execute_free_cfg_annotations): Ditto.
7799 (execute_fixup_cfg): Ditto.
7800 (execute_cleanup_cfg_pre_ipa): Ditto.
7801 (execute_cleanup_cfg_post_optimizing): Ditto.
7802 (execute_init_datastructures): Ditto.
7803 * tree-object-size.c (compute_object_sizes): Ditto.
7804 * combine.c (rest_of_handle_combine): Ditto.
7805 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7806 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7807 (rest_of_handle_reorder_blocks): Ditto.
7808 (rest_of_handle_partition_blocks): Ditto.
7809 * var-tracking.c (variable_tracking_main): Ditto.
7810 * tree-profile.c (tree_profiling): Ditto.
7811 * tree-vect-generic.c (expand_vector_operations): Ditto.
7812 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7813 * sched-rgn.c (rest_of_handle_sched): Ditto.
7814 (rest_of_handle_sched2): Ditto.
7815 * basic-block.h (free_bb_insn): Ditto.
7816 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7817 * tree-cfg.c (execute_build_cfg): Ditto.
7818 (remove_useless_stmts): Ditto.
7819 (split_critical_edges): Ditto.
7820 (execute_warn_function_return): Ditto.
7821 (execute_warn_function_noreturn): Ditto.
7822 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7823 * cfgrtl.c (free_bb_for_insn): Ditto.
7824 * passes.c (execute_one_pass): Run additional
7825 todos returned by execute function.
7826 * tree-pass.h (struct tree_opt_pass): Make execute
7829 2006-03-02 Richard Guenther <rguenther@suse.de>
7831 * tree-ssa-alias.c (find_used_portions): Consider taking
7832 the address as making the variable not write-only.
7834 2006-03-02 Nick Clifton <nickc@redhat.com>
7836 * config.gcc (default_use_cxa_atexit): Extend the description of
7837 this configure variable. Set its default value to "yes" for
7838 Linux, NetBSD and ELF targets on the assumption that they will
7839 use C libraries with the __cxa_atexit function.
7841 2006-03-02 Ben Elliston <bje@au.ibm.com>
7843 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7844 parameter as unused to suppress a build warning.
7846 2006-03-02 Ben Elliston <bje@au.ibm.com>
7848 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7851 2006-03-01 Roger Sayle <roger@eyesopen.com>
7854 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7855 declared name, the weak reference name, and the typeof name.
7856 (__gthrw): Avoid expanding the declared name suffix.
7857 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7859 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7861 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7863 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7864 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7865 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7866 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7867 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7868 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7869 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7870 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7871 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7872 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7873 (DW_END_default, DW_END_big, DW_END_little): New.
7874 (DW_END_lo_user, DW_END_hi_user): Define.
7875 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7876 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7877 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7880 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7882 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7884 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7886 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7888 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7890 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7891 to 'symbol_mem_tag'.
7893 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7896 2006-03-01 Roger Sayle <roger@eyesopen.com>
7898 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7900 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7903 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7904 MACHO_DYNAMIC_NO_PIC_P.
7905 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7907 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7910 * config/darwin-protos.h (darwin_asm_output_anchor):
7912 * config/darwin-sections.def (cstring_section):
7913 Add SECTION_MERGE to the flags.
7914 (literal4_section): Likewise.
7915 (literal8_section): Likewise.
7916 (objc_selector_refs_section): Likewise.
7917 (objc_cls_refs_section): Likewise.
7918 * config/darwin.c (darwin_asm_output_anchor): New
7920 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7922 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7924 Fix PR tree-optimization/26443
7925 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7926 to todo and PROP_tmt_usage to properties_destroyed.
7927 * tree-ssa-ccp.c (pass_ccp): Ditto.
7928 (pass_store_ccp): Ditto.
7929 * tree-ssa-dom.c (pass_dominator): Ditto.
7931 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7933 * tree-ssa-operands.c: Cleanup whitespace.
7934 (get_asm_expr_operands): Move before first invocation.
7935 (get_indirect_ref_operands): Likewise.
7936 (get_tmr_operands): Likewise.
7937 (get_call_expr_operands): Likewise.
7938 (append_def): Likewise.
7939 (append_use): Likewise.
7940 (append_v_may_def): Likewise.
7941 (append_v_must_def): Likewise.
7942 (add_call_clobber_ops): Likewise.
7943 (add_call_read_ops): Likewise.
7944 (add_stmt_operand): Likewise.
7945 (add_virtual_operand): Likewise.
7946 (build_ssa_operands): Likewise.
7948 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7953 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7954 with a call expr to ...
7955 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7957 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7959 * tree-vrp.c (extract_range_from_assert): Remove special
7960 handling for types with super-types.
7962 2006-03-01 Ben Elliston <bje@au.ibm.com>
7964 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7965 and powerpc64-*-linux* configurations.
7966 * config/t-dfprules: New file.
7968 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7969 Compile dfp-bit.c from the source directory using -DWIDTH and
7970 $DFP_CFLAGS to control the compilation of that file, rather than
7971 generating width-specific versions in the build directory.
7972 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7973 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7975 2006-02-28 Zack Weinberg <zackw@panix.com>
7977 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7980 2006-02-28 Eric Christopher <echristo@apple.com>
7982 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7983 Set up IN_LIBGCC definition of TARGET_64BIT.
7984 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7986 2006-02-28 Roger Sayle <roger@eyesopen.com>
7989 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7990 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7991 cases via the construction of "expr != 0".
7993 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7995 * alias.c (alias_invariant, alias_invariant_size): Remove.
7996 (record_base_value): Remove.
7997 (memrefs_conflict_p): Don't look at alias_invariant.
7998 (end_alias_analysis): Don't free it.
7999 * alias.h (record_base_value): Remove prototype.
8001 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8002 Adam Nemet <anemet@caviumnetworks.com>
8004 * rtl.h (truncated_to_mode): Declare it.
8005 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8006 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8007 (RTL_HOOKS_INITIALIZER): Include it.
8008 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8009 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8010 reg_truncated_to_mode.
8011 * rtlanal.c (truncated_to_mode): Define it.
8012 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8014 2006-02-28 Jeff Law <law@redhat.com>
8016 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8017 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8018 the range allowed by TYPE_PRECISION.
8020 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8022 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8024 PR tree-optimization/26419
8025 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8028 2006-02-27 Zack Weinberg <zackw@panix.com>
8030 * doc/md.texi: Fix typo in previous change.
8032 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8036 2006-02-27 Zack Weinberg <zackw@panix.com>
8038 * rtl.def (define_constraint, define_register_constraint)
8039 (define_memory_constraint, define_address_constraint): New MD forms.
8040 * gensupport.c (process_rtx): Put define_constraint etc on the
8042 * genpreds.c (process_define_predicate): Adjust comment. Validate
8043 the name, and call validate_exp to validate the expression.
8044 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8045 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8046 all callers changed.
8047 (validate_exp, needs_variable, struct constraint_data)
8048 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8049 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8050 (const_dbl_constraints, constraint_max_namelen)
8051 (have_register_constraints, have_memory_constraints)
8052 (have_address_constraints, have_address_constraints)
8053 (have_extra_constraints, have_const_int_constraints)
8054 (have_const_dbl_constraints, mangle, add_constraint)
8055 (process_define_constraint, process_define_register_constraint)
8056 (write_enum_constraint_num, write_lookup_constraint)
8057 (write_insn_constraint_len, write_regclass_for_constraint)
8058 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8059 (write_insn_extra_memory_constraint)
8060 (write_insn_extra_address_constraint)
8061 (write_satisfies_constraint_fns): New.
8062 (write_tm_preds_h): If we have new-style constraint definitions,
8063 prototype the functions generated from them, and define the
8064 old constraint interface (still used by generic code) in terms of
8066 (write_insn_preds_c): If we have new-style constraint definitions,
8067 generate all relevant functions from those definitions.
8068 (main): Handle define_constraint etc.
8069 * genoutput.c (struct constraint_data, indep_constraints)
8070 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8071 (mdep_constraint_len): New data structures and functions, defined
8072 #ifdef USE_MD_CONSTRAINTS.
8073 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8074 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8075 use new logic to validate operand constraints against constraint
8077 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8079 * defaults.h: If none of the old-style constraint macros are
8080 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8081 old-style macros; and poison REG_CLASS_FROM_LETTER,
8082 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8084 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8085 * doc/md.texi: Document new constraint-definition mechanism and the
8086 C interface it provides. Remove references to old mechanism
8087 elsewhere in the document.
8088 (Machine Constraints): Use pathnames relative to gcc directory,
8089 i.e. config/ARCH/FILE. Change i386 section to refer to
8090 config/i386/predicates.md; update that section to match docstrings.
8091 * doc/tm.texi: Move all documentation of the old constraint-
8092 definition macros to their own section, clearly mark as obsolete.
8094 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8095 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8097 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8098 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8099 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8101 (splits and peepholes): Use satisfies_constraint_*.
8102 * config/i386/i386.c (memory_address_length)
8103 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8105 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8107 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8108 scalar operation to be put back into the loop.
8110 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8113 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8114 (extract_cie_info): Handle S flag in augmentation string.
8115 (execute_cfa_program): If context->signal_frame, execute also
8116 fs->pc == context->ra instructions.
8117 (uw_frame_state_for): If context->signal_frame, don't subtract one
8118 from context->ra to find FDE.
8119 (uw_update_context_1): Set context->signal_frame to
8121 (_Unwind_GetIPInfo): New function.
8122 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8123 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8125 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8126 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8127 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8128 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8129 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8130 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8131 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8132 x86_64_fallback_frame_state): Set fs->signal_frame.
8133 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8134 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8135 (frob_update_context): Likewise. Workaround missing S flag in
8136 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8137 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8138 Remove the psw_addr + 1 hack.
8140 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8142 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8143 with aggregates here.
8144 (find_func_aliases): Remove code for &<aggregate> from here.
8146 2006-02-26 Roger Sayle <roger@eyesopen.com>
8148 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8149 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8150 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8153 2006-02-26 Roger Sayle <roger@eyesopen.com>
8156 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8158 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8160 * opts.c (decode_options): Do not handle flag_strength_reduce.
8161 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8162 and OPT_fstrength_reduce.
8163 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8164 flag_prefetch_loop_arrays for being nonzero.
8165 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8167 (fprefetch-loop-arrays-rtl): Removed.
8168 (flag_prefetch_loop_arrays): Do not specify the value.
8170 * doc/passes.texi: Update documentation of loop optimizer
8172 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8173 -frerun-loop-opt): Remove.
8175 2006-02-26 Richard Guenther <rguenther@suse.de>
8177 PR tree-optimization/26421
8178 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8179 in function calls that are ADDR_EXPRs as using the whole structure.
8181 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8183 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8184 * tree-pass.h (pass_loop_optimize): Remove.
8185 * passes.c (pass_loop_optimize): Never run it.
8186 * toplev.c (backend_init): Don't call init_loop.
8187 * opts.c (flag_loop_optimize_set): Remove.
8188 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8189 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8190 the old RTL loop optimizer when profiling enabled.
8191 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8192 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8193 pre-headers for the sake of the old RTL loop optimizer.
8194 * Makefile.in: Remove all references to loop.o.
8196 * doc/invoke.texi: Remove all references to -floop-optimize
8197 and -frerun-loop-opt.
8199 2006-02-26 Zack Weinberg <zackw@panix.com>
8201 * doc/md.texi (Machine Constraints): Refer to all files with paths
8202 relative to gcc directory (i.e. config/CPU/file). Add missing
8203 @table @code ... @end table to M32C subsection.
8205 2006-02-26 Roger Sayle <roger@eyesopen.com>
8207 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8209 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8211 2006-02-26 Roger Sayle <roger@eyesopen.com>
8212 James A. Morrison <phython@gcc.gnu.org>
8215 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8216 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8217 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8218 signedness of the shift operation.
8220 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8222 PR tree-optimization/26359
8223 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8225 2006-02-25 Roger Sayle <roger@eyesopen.com>
8227 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8228 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8229 as X == 0, and some symmetry related transformations.
8230 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8232 2006-02-25 Roger Sayle <roger@eyesopen.com>
8235 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8236 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8237 symmetry related transformations. Fold (X^C1) == C2 as
8240 2006-02-25 Juergen Weigert <jw@suse.de>
8241 Richard Guenther <rguenther@suse.de>
8243 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8245 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8247 * combine.c (gen_lowpart_or_truncate): Call
8248 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8250 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8252 * doc/invoke.texi: Move -fopenmp description to "Options for
8254 Remove reference to -lgomp.
8256 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8258 * doc/install.texi: Require GNU tar version 1.14.
8260 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8262 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8263 * doc/invoke.texi (C++ Dialect Options): Document
8264 -fno-use-cxa-get-exception-ptr.
8265 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8266 * configure: Regenerate.
8267 * c.opt (fuse-cxa-get-exception-ptr): New.
8268 * c-opts.c (c_common_handle_option): Handle
8269 OPT_fuse_cxa_get_exception_ptr.
8270 * c-common.c (flag_use_cxa_atexit): Update documentation.
8271 (flag_use_cxa_get_exception_ptr): New.
8272 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8273 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8275 (C_COMMON_OVERRIDE_OPTIONS): New.
8277 2006-02-24 Roger Sayle <roger@eyesopen.com>
8280 * combine.c (try_combine): Explicitly check whether GET_CODE is
8281 a SET or a CLOBBER, instead on checking that it isn't a USE.
8283 2006-02-24 Roger Sayle <roger@eyesopen.com>
8285 * fold-const.c (fold_comparison): New subroutine of fold_binary
8286 containing transformations common to both the equality and
8287 ordering relational operators, factored out of fold_binary.
8288 (fold_binary): Separate out the equality operators (EQ_EXPR
8289 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8290 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8291 transformations common to both.
8292 (fold_div_compare): Fix latent bugs in the previously unreachable
8293 LT_EXPR and GE_EXPR cases.
8295 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8297 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8298 decl libname for clog to __clog on AIX.
8300 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8302 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8305 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8306 output traceback table for thunks. Localise rs6000_stack_info call.
8308 2006-02-23 Roger Sayle <roger@eyesopen.com>
8309 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8311 * gthr-posix.h (__gthrw): Fix typo in comment.
8313 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8315 * doc/cpp.texi (Character sets): Document that we do support
8316 input files to be in any character set.
8318 2006-02-23 Jeff Law <law@redhat.com>
8320 * tree.h (PHI_ARG_NONZERO): Remove.
8321 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8322 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8323 node to the new node.
8325 PR tree-optimization/26425
8326 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8327 min/max, then assume its varying.
8329 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8331 PR rtl-optimization/26316
8332 * rtlanal.c (enum may_trap_p_flags): New.
8333 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8334 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8335 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8336 (may_trap_after_code_motion_p): New function.
8337 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8338 (find_invariant_insn): Use may_trap_after_code_motion_p.
8339 * rtl.h (may_trap_after_code_motion_p): Declare.
8341 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8343 * emit-rtl.c (immed_double_const): Cleanup.
8345 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8347 Fix PR tree-optimization/26376
8348 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8351 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8354 * gimplify.c (omp_add_variable): Guard variable size decl test with
8355 DECL_SIZE (decl) check.
8357 2006-02-23 Richard Guenther <rguenther@suse.de>
8360 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8361 like aggregate types.
8363 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8365 * configure.ac: Add --with{,out}-long-double-128 configure option.
8366 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8367 * configure: Rebuilt.
8368 * config.in: Rebuilt.
8369 * doc/install.texi (Options specification): Document
8370 --with-long-double-128.
8372 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8373 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8374 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8375 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8377 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8379 * config/s390/s390.c (override_options): Handle
8380 TARGET_DEFAULT_LONG_DOUBLE_128.
8382 * config/alpha/alpha.c (override_options): Handle
8383 TARGET_DEFAULT_LONG_DOUBLE_128.
8385 * config/sparc/sparc.c (sparc_override_options): Handle
8386 TARGET_DEFAULT_LONG_DOUBLE_128.
8388 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8390 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8391 (real-install-headers-tar, real-install-headers-cpio)
8392 (real-install-headers-cp): New targets.
8394 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8396 * tree.h (variable_section): Delete.
8397 * varasm.c (variable_section): Delete.
8399 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8401 * install.texi: Add notes on install.texi2html.
8402 (Building in parallel): Do not use footnotes.
8404 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8407 * doc/install.texi (Configuration): Document --disable-libgomp.
8409 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8411 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8413 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8415 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8416 (vec_extractv2df_0_sse): New.
8418 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8420 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8421 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8422 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8423 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8424 to the result of the expression.
8425 (def_cfa_1): Adjust.
8426 (frame_pointer_cfa_offset): Rename to...
8427 (frame_pointer_fb_offset): ... this. Adjust all uses.
8428 (convert_cfa_to_loc_list): Rename to...
8429 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8430 Pass it on to build_cfa_loc.
8431 (compute_frame_pointer_to_cfa_displacement): Rename to...
8432 (compute_frame_pointer_to_fb_displacement): ... this. New
8433 offset parameter. Use it in computation.
8434 (gen_subprogram_die): Compute cfa_fb_offset with the new
8435 macro, and use it to compute the fb loc list and the
8438 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8440 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8441 replaced with register_operand.
8442 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8443 non-DREG is expensive.
8444 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8445 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8448 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8450 * doc/install.texi2html: Use set -e.
8452 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8454 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8455 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8456 * doc/invoke.texi (-fshared-data): Delete.
8457 * common.opt (fshared-data): Delete.
8458 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8459 (assemble_static_space): Remove #if 0 code.
8460 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8461 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8462 * config/cris/cris.h: Remove FIXME.
8464 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8466 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8469 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8472 * combine.c (simplify_shift_const_1): Disable nested shifts
8473 optimization for vector shifts.
8475 2006-02-20 Roger Sayle <roger@eyesopen.com>
8477 PR tree-optimization/26361
8478 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8479 of unsigned integer types.
8481 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8483 * tree-chrec.c (eq_evolutions_p): New.
8484 * tree-chrec.h (eq_evolutions_p): Declared.
8485 * tree-data-ref.c: Fix formatting.
8486 (datadep_stats, dependence_stats): New.
8488 (print_direction_vector): New.
8489 (dump_data_dependence_relation): Use print_direction_vector.
8490 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8491 (compute_subscript_distance): Static.
8492 (initialize_data_dependence_relation): Static. Get the number
8493 of loops surrounding the references from the callers, and initialize
8494 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8495 base_object_differ_p analyzers.
8496 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8497 compute_overlap_steps_for_affine_1_2,
8498 analyze_subscript_affine_affine): Count the classified dependences.
8499 Print a message when a test failed.
8500 (can_use_analyze_subscript_affine_affine): New.
8501 (analyze_siv_subscript): Compute the data dependences on symbolic
8502 scevs that verify can_use_analyze_subscript_affine_affine.
8503 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8504 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8505 Handle symbolic scevs.
8506 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8508 (subscript_dependence_tester): Moved...
8509 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8510 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8511 DDR_SIZE_VECT instead of getting it in parameter.
8512 (subscript_dependence_tester): ... here. Take as a parameter
8513 loop_nest_depth. Call build_classic_dist_vector and
8514 build_classic_dir_vector.
8515 (compute_affine_dependence): Update subscript_dependence_tester
8516 parameters. Update datadep_stats counters. Call
8517 compute_subscript_distance.
8518 (compute_self_dependence): Save the dist and dir vectors. Call
8519 compute_subscript_distance.
8520 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8521 (compute_all_dependences): Reorder parameters as they were before
8522 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8523 compute_subscript_distance. Update the use of
8524 compute_affine_dependence and initialize_data_dependence_relation.
8525 (find_data_references_in_loop): Handle COMPONENT_REF.
8526 (compute_data_dependences_for_loop): Initialize dependence_stats.
8527 Don't call build_classic_dist_vector and build_classic_dir_vector.
8528 Update the parameters of initialize_data_dependence_relation and
8529 compute_all_dependences. Print the statistics from datadep_stats.
8530 (analyze_all_data_dependences): Static. Not used until the pass for
8531 checking the data dependences is contributed.
8532 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8533 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8534 (initialize_data_dependence_relation, compute_affine_dependence,
8535 analyze_all_data_dependences, compute_subscript_distance): Removed.
8536 (print_direction_vector): New.
8537 * lambda.h (gcd): ... here.
8538 (lambda_vector_gcd): Moved here from gcd_vector.
8539 * lambda-code.c (gcd, gcd_vector): Removed.
8540 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8541 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8543 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8545 * ipa-type-escape.c: Tidy some comments and white space.
8546 * tree-ssa-operands.c: Likewise.
8548 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8551 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8552 (dump_decl_name): Do not walk the decl tree chains.
8553 * tree-pass.h (TDF_CHAIN): Remove.
8555 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8557 * Makefile.in (C): Remove
8559 (.PHONY): Remove C and PROTO
8561 2006-02-20 Roger Sayle <roger@eyesopen.com>
8564 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8565 deprecated CHAR_TYPE tree code.
8567 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8569 * configure.ac (target_list): Add install-info, dvi, html.
8570 * configure: Regenerate.
8572 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8573 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8574 treelang/Make-lang.in: Do not use double-colon rules.
8576 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8578 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8579 (TMT_USED_ALONE): New macro.
8580 * tree-pass.h (PROP_tmt_usage): New property.
8581 (TODO_update_tmt_usage): New todo.
8582 * tree-ssa-alias.c (updating_used_alone): New variable.
8583 (recalculate_used_alone): New function.
8584 (compute_may_aliases): Set updating_used_alone, call
8585 recalculate_used_alone.
8586 * tree-sra.c (pass_sra): Note that this pass destroys
8587 PROP_tmt_usage, and add TODO_update_tmt_usage.
8588 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8589 * tree-flow.h (updating_used_alone): Prototype.
8590 (recalculate_used_alone): Ditto.
8591 * passes.c (execute_todo): Add code to set updating_used_alone,
8592 and call recalculate.
8593 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8594 for clobber if used alone, and add assert to verify used_alone
8597 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8599 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8600 for non tls symbols added.
8601 (legitimize_address): Do nothing for PLUS expressions if one of the
8602 addends is a tls symbol reference.
8604 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8608 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8610 * Makefile.in (BOOTSTRAPPING): New.
8611 (quickstrap): New definition if BOOTSTRAPPING=yes.
8613 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8614 * configure.ac: Substitute all_selected_languages with the languages
8615 that were configured. For all the other variables except
8616 lang_specs_files, include all the languages in the tree.
8617 * configure: Regenerate.
8619 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8620 if there is one. Run the commands to run fixincludes in the same
8623 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8624 * doc/install.texi: Document exact conventions for searching target tools.
8625 Document --with-build-time-tools. Document toplevel bootstrap. Document
8626 something more about building an Ada cross-compiler. Don't list GNU Make
8627 requirements which affect all platforms.
8629 2006-02-19 Roger Sayle <roger@eyesopen.com>
8632 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8633 only equivalent if the have both the same mode and precision.
8635 2006-02-20 Ben Elliston <bje@au.ibm.com>
8637 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8639 2006-02-19 Roger Sayle <roger@eyesopen.com>
8640 Steven Bosscher <stevenb.gcc@gmail.com>
8642 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8643 constant pool references to identify stack mode constants.
8644 * rtlanal.c (constant_pool_constant_p): New predicate to check
8645 whether operand is a floating point constant in the pool.
8646 * rtl.h (constant_pool_constant_p): Prototype here.
8647 * loop.c (scan_loop): Avoid hoisting constants from the constant
8648 pool on STACK_REGS targets.
8649 (load_mems): Likewise.
8650 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8651 loads into x87 registers expensive in terms of register pressure.
8653 2006-02-19 Roger Sayle <roger@eyesopen.com>
8655 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8656 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8658 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8660 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8661 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8663 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8665 * doc/invoke.texi: Document -fipa-pta.
8666 * common.opt: Add ipa-pta option.
8667 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8668 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8669 (do_ds_constraint): Ditto.
8670 (get_constraint_for): Only add to referenced_vars if
8671 referenced_vars exists.
8672 (insert_into_field_list): Rewrite to do this unsorted.
8673 (insert_into_field_list_sorted): Rename old insert_into_field_list
8675 (create_function_info_for): Use insert_into_field_list_sorted.
8676 (create_variable_info_for): Rewrite so it uses unsorted version,
8677 since the field list is sorted.
8678 (intra_create_variable_infos): Only add to referenced_vars if
8679 referenced_vars exists.
8680 (ipa_pta_execute): Init heapvars, and delete when done.
8681 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8683 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8685 * doc/install.texi: Add missing `@samp'.
8687 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8689 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8692 2006-02-18 Mark Wielaard <mark@klomp.org>
8694 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8695 who added new 4.1 features, bug fixes and integration support.
8697 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8700 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8703 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8705 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8706 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8707 (copy_insn_1): Likewise. Don't copy each field individually.
8709 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8711 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8712 * rtl.c (rtx_size): Rename variable to...
8713 (rtx_code_size): ...this.
8714 (rtx_size): New function.
8715 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8716 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8718 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8719 * rtl.h (rtx_code_size): New variable.
8720 (rtx_size): Change from a variable to a function.
8721 (RTX_SIZE): Rename to...
8722 (RTX_CODE_SIZE): ...this.
8725 PR tree-optimization/17106
8726 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8727 (Anchored Addresses): New section.
8728 * doc/invoke.texi (-fsection-anchors): Document.
8729 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8730 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8731 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8732 * hooks.c (hook_bool_mode_rtx_false): New function.
8733 * hooks.h (hook_bool_mode_rtx_false): Declare.
8734 * gengtype.c (create_optional_field): New function.
8735 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8736 SYMBOL_REF_IN_BLOCK_P is true.
8737 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8738 (min_anchor_offset, max_anchor_offset): Likewise.
8739 (use_anchors_for_symbol_p): New hook.
8740 * toplev.c (compile_file): Call output_object_blocks.
8741 (target_supports_section_anchors_p): New function.
8742 (process_options): Check that -fsection-anchors is only used on
8743 targets that support it and when -funit-at-a-time is in effect.
8744 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8745 if the decl doesn't have one.
8746 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8747 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8748 of force_const_mem through use_anchored_address.
8749 (expand_expr_constant): New function.
8750 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8751 calling expand_expr for INDIRECT_REF.
8752 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8753 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8754 * expr.h (use_anchored_address): Declare.
8755 * loop-unroll.c: Don't declare rtx vectors here.
8756 * explow.c: Include output.h.
8757 (validize_mem): Call use_anchored_address.
8758 (use_anchored_address): New function.
8759 * common.opt (-fsection-anchors): New switch.
8760 * varasm.c (object_block_htab, anchor_labelno): New variables.
8761 (hash_section, object_block_entry_eq, object_block_entry_hash)
8762 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8763 (use_blocks_for_decl_p, change_symbol_section): New functions.
8764 (get_variable_section): New function, split out from assemble_variable.
8765 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8766 use_blocks_for_decl_p say so. Use change_symbol_section if the
8767 symbol has already been created.
8768 (assemble_variable_contents): New function, split out from...
8769 (assemble_variable): ...here. Don't output any code for
8770 block symbols; just pass them to place_block_symbol.
8771 Use get_variable_section and assemble_variable_contents.
8772 (get_constant_alignment, get_constant_section, get_constant_size): New
8773 functions, split from output_constant_def_contents.
8774 (build_constant_desc): Create a block symbol if use_object_blocks_p
8775 says so. Or into SYMBOL_REF_FLAGS.
8776 (assemble_constant_contents): New function, split from...
8777 (output_constant_def_contents): ...here. Don't output any code
8778 for block symbols; just pass them to place_section_symbol.
8779 Use get_constant_section and get_constant_alignment.
8780 (force_const_mem): Create a block symbol if use_object_blocks_p and
8781 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8782 (output_constant_pool_1): Add an explicit alignment argument.
8783 Don't switch sections here.
8784 (output_constant_pool): Adjust call to output_constant_pool_1.
8785 Switch sections here instead. Don't output anything for block symbols;
8786 just pass them to place_block_symbol.
8787 (init_varasm_once): Initialize object_block_htab.
8788 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8789 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8790 (place_block_symbol, get_section_anchor, output_object_block)
8791 (output_object_block_htab, output_object_blocks): New functions.
8792 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8793 (TARGET_ASM_OUT): Include it.
8794 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8795 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8796 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8797 (TARGET_INITIALIZER): Include them.
8798 * rtl.c (rtl_check_failed_block_symbol): New function.
8799 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8800 (block_symbol, object_block): New structures.
8801 (rtx_def): Add a block_symbol field to the union.
8802 (BLOCK_SYMBOL_CHECK): New macro.
8803 (rtl_check_failed_block_symbol): Declare.
8804 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8805 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8806 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8807 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8808 * output.h (output_section_symbols): Declare.
8809 (object_block): Name structure.
8810 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8811 (default_use_anchors_for_symbol_p): Declare.
8812 * Makefile.in (RTL_BASE_H): Add vec.h.
8813 (explow.o): Depend on output.h.
8814 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8815 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8816 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8817 (rs6000_use_blocks_for_constant_p): New function.
8819 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8821 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8823 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8826 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8829 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8831 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8835 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8838 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8839 instead of DECL_REGISTER.
8841 2006-02-18 Olivier Hainque <hainque@adacore.com>
8844 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8846 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8849 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8850 * opth-gen.awk: Handle Var and InverseMask together.
8851 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8852 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8853 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8854 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8856 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8857 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8858 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8859 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8860 LINUX_DYNAMIC_LINKER): Define.
8861 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8862 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8864 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8865 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8866 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8867 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8868 (TARGET_C99_FUNCTIONS): Don't define.
8869 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8870 GLIBC_DYNAMIC_LINKER.
8871 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8872 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8873 GLIBC_DYNAMIC_LINKER64): Define.
8874 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8875 LINUX_DYNAMIC_LINKER64.
8876 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8877 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8878 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8879 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8880 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8881 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8882 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8883 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8884 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8885 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8886 and LINUX_DYNAMIC_LINKER32.
8887 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8888 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8889 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8890 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8891 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8893 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8894 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8895 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8896 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8897 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8898 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8899 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8900 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8901 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8902 LINUX_DYNAMIC_LINKER): Define.
8903 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8904 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8905 GLIBC_DYNAMIC_LINKER64): Define.
8906 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8907 LINUX_DYNAMIC_LINKER64.
8908 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8909 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8910 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8911 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8912 LINUX_DYNAMIC_LINKER): Define.
8913 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8914 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8915 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8916 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8917 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8918 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8919 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8920 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8921 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8922 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8923 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8924 * doc/invoke.texi (-muclibc): Remove caveat about supported
8927 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8929 * doc/cpp.texi (__TIMESTAMP__): Document.
8931 2006-02-17 Roger Sayle <roger@eyesopen.com>
8934 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8935 C is one less than the width of X (and related transformations).
8936 * simplify-rtx.c (simplify_unary_operation_1): Transform
8937 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8938 depending on STORE_FLAG_VALUE, were C is one less then the
8941 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8943 Fix PR tree-optimization/26341
8944 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8945 about NAME_MEMORY_TAG's.
8947 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8950 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8951 with hardware float support, and software float support. Add fcpy
8952 alternative to hardware patterns. Add alternatives to copy between
8953 general and floating-point registers to the 32-bit pattern.
8954 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8955 secondary reload to load a QI or HI mode constant into a floating
8957 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8958 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8960 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8963 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8965 (load_macho_picbase_di): Likewise.
8967 2006-02-16 Jeff Law <law@redhat.com>
8969 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8970 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8971 (ssa_name_nonzero_p): Likewise.
8972 (get_value_range): Return NULL if VRP is not running.
8973 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8974 VRP routines do not discover a range.
8975 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8976 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8977 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8978 (tree_expr_nonnegative_p): Similarly.
8979 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8980 (restore_nonzero_vars_to_original_value): Remove.
8981 (unsafe_associative_fp_binop): Remove.
8982 (tree_ssa_dominator_optimize): Remove initialization and
8983 finalization of nonzero_vars and nonzero_vars_stack.
8984 (dom_opt_initialize_block): No longer push marker on
8986 (dom_opt_finalize_block): No longer call
8987 restore_nonzero_vars_to_original_value.
8988 (record_equivalences_from_phis): No longer look for
8989 nonzero PHI arguments.
8990 (cprop_into_successor_phis): No longer propagate nonzero
8991 property into PHI arguments. Lose unused argument. Caller
8993 (record_equivalences_from_stmt): No longer record nonzero
8994 values for SSA_NAMEs.
8995 (lookup_avail_expr): No longer use nonzero_vars.
8997 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8998 for sizetype when sizetype is unsigned.
9000 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9002 PR rtl-optimization/25603
9003 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9004 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9005 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9006 with new meaning of SETS.
9008 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9013 * config/linux.opt: New file.
9014 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9015 LINUX_DYNAMIC_LINKER): Define.
9016 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9017 * config.gcc (*-*-linux*): Define extra_options.
9018 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9019 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9020 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9021 GLIBC_DYNAMIC_LINKER.
9022 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9023 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9024 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9025 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9026 * doc/invoke.texi (GNU/Linux Options): New section.
9028 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9030 * config/sparc/sparc.md (setjmp): Rewrite.
9031 (setjmp_32): Delete.
9032 (setjmp_64): Likewise.
9034 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9036 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9039 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9041 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9044 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9046 PR rtl-optimization/26296
9047 * Makefile.in (loop-invariant.c): Add except.h dependency.
9048 * loop-invariant.c: Include except.h.
9049 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9051 2005-02-16 Paul Brook <paul@codesourcery.com>
9053 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9056 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9058 PR rtl-optimization/25636
9059 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9060 when deciding whether an insn is an initializing insn.
9062 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9064 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9065 (tree_code_size): Ditto.
9066 * tree.h (struct tree_memory_tag): Remove parent_var.
9067 (struct tree_struct_field_tag): New.
9070 (union tree_node): Add sft member.
9071 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9073 (create_sft): Add size and offset argument, set SFT_OFFSET and
9075 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9076 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9077 * tree-flow-inline.h (get_subvar_at): Update for
9078 SFT_OFFSET/SFT_SIZE.
9079 (var_can_have_subvars): Ditto.
9080 (overlap_subvar): Ditto.
9081 * print-tree.c (print_node): Print out interesting things for
9083 * tree-flow.h (struct subvar): Remove offset and size members.
9084 * tree-ssa-operands.c (get_expr_operands): Update for
9085 get_indirect_ref_operands changes.
9086 (get_indirect_ref_operands): Call add_virtual_operand instead of
9087 add_stmt_operand. Only recurse on base var if requested.
9088 (access_can_touch_variable): New function.
9089 (add_stmt_operand): Split virtual operand handling into ...
9090 (add_virtual_operand): Here. Add offset, size, and for_clobber
9091 arguments. Prune alias sets.
9092 (add_call_clobber_ops): Call add_virtual_operand.
9094 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9097 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9099 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9100 than TREE_CODE as index into omp_clause_num_ops array.
9102 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9104 PR rtl-optimization/26184
9105 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9107 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9108 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9109 must_precede, must_follow and tobe_scheduled.
9112 * opts.c (common_handle_option): Free new_option pointer.
9113 * df-core.c (df_analyze): Free postorder pointer.
9115 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9117 * Makefile.in: Fix the examples about the use of stamps
9119 2006-02-15 Michael Matz <matz@suse.de>
9123 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9124 influenced by maximum_field_alignment or DECL_PACKED.
9125 (update_alignment_for_field): Ditto.
9126 (place_field): Ditto.
9127 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9130 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9132 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9133 (debug_flow_info): Pass it.
9134 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9135 * bb-reorder.c (reorder_basic_blocks): Likewise.
9136 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9137 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9138 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9139 * gcse.c (gcse_main, bypass_jumps): Likewise.
9140 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9141 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9142 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9143 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9144 * rtl.h (dump_flow_info): Adjust prototype.
9145 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9146 * var-tracking.c (variable_tracking_main): Likewise.
9147 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9148 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9151 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9153 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9156 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9158 PR tree-optimization/26209
9159 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9160 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9162 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9164 2006-02-14 Roger Sayle <roger@eyesopen.com>
9167 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9168 (X,Y) and the corresponding symmetry related transformations.
9169 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9170 (X,Y) and its symmetry related transformations.
9172 2006-02-14 Roger Sayle <roger@eyesopen.com>
9174 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9177 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9179 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9181 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9184 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9185 support COMDAT group.
9186 * configure: Regenerate.
9188 2006-02-14 Roger Sayle <roger@eyesopen.com>
9193 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9195 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9197 Fix PR tree-optimization/26260
9199 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9201 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9202 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9203 * tree-ssa-structalias.c (create_variable_info_for): Use
9204 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9206 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9208 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9210 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9211 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9212 of the ending condition.
9213 * tree-ssa-loop-manip.c: Include params.h.
9214 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9215 tree_unroll_loop): New functions.
9216 * tree-pass.h (pass_loop_prefetch): Declare.
9217 * loop.c (rest_of_handle_loop_optimize): Test for
9218 -fprefetch-loop-arrays-rtl.
9219 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9220 * timevar.def (TV_TREE_PREFETCH): New timevar.
9221 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9222 pass_loop_prefetch): New.
9223 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9224 (cleanup_tree_cfg_loop): Call scev_reset.
9225 * common.opt (fprefetch-loop-arrays-rtl): Add.
9226 * tree-ssa-loop-prefetch.c: New file.
9227 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9228 (new_temp_expr_table): Initialize expr_vars.
9229 (free_temp_expr_table): Cleanup expr_vars.
9230 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9231 expressions from being merged into one.
9232 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9233 (struct tree_niter_desc): Add control, bound and cmp fields.
9234 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9236 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9237 (tree-cfgcleanup.o): Add SCEV_H dependency.
9238 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9239 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9241 2006-02-14 Richard Guenther <rguenther@suse.de>
9243 PR tree-optimization/26258
9244 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9245 in PHI argument processing.
9247 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9249 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9250 new expression in the requested machine mode.
9252 2006-02-13 Roger Sayle <roger@eyesopen.com>
9254 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9255 directly, instead let do_compare_rtx_and_jump handle this for us.
9256 * expr.c (expand_expr_real_1): Likewise.
9257 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9258 before do_jump_by_parts_greater.
9259 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9260 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9262 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9264 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9266 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9268 PR rtl-optimization/26235
9269 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9270 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9273 2006-02-13 Jeff Law <law@redhat.com>
9275 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9278 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9281 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9282 twice if decl is a builtin. When trying again, call get_callee_fndecl
9283 first to verify it is still a builtin.
9285 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9287 * dwarf2out.c (base_type_die): Don't add AT_name here.
9288 (subrange_type_die): Don't add AT_name here.
9289 (modified_type_die): Rearrange code flow. Do add AT_name here.
9291 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9293 PR rtl-optimization/26247
9294 PR rtl-optimization/26248
9295 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9297 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9299 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9300 * config/fixtfdi.c: Likewise.
9301 * config/fixunstfdi.c: Likewise.
9302 * config/floatditf.c: Likewise.
9304 2006-02-13 Roger Sayle <roger@eyesopen.com>
9307 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9308 into (X,C2) if C1 is a subset of the bits of C2. Transform
9309 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9311 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9313 2006-02-13 Josh Conner <jconner@apple.com>
9316 * varasm.c (function_section): Check for section name before
9317 calling select_section on targets that define
9318 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9319 unlikely_text_section instead of hot_function_section if
9320 first_function_block_is_cold.
9322 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9325 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9327 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9329 PR rtl-optimization/26222
9330 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9331 after tree->rtl expansion.
9332 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9333 before passing it to emit_move_insn.
9335 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9337 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9339 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9340 Clarify documentation.
9341 * c-common.h (warn_write_strings): Remove.
9342 * c-common.c (warn_write_strings): Likewise.
9343 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9346 2006-02-12 Roger Sayle <roger@eyesopen.com>
9349 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9350 (do_jump_parts_zero_rtx): New function renamed from
9351 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9352 (do_jump_parts_equality_rtx): New function split out from
9353 do_jump_parts_equality. Old implementation renamed as above.
9354 Call do_jump_parts_zero_rtx if either operand is zero.
9355 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9356 do all of the heavy lifting.
9357 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9358 calling either do_jump_by_parts_greater_rtx or
9359 do_jump_by_parts_equality_rtx.
9360 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9361 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9362 moved to do_compare_rtx_and_jump, call it directly.
9363 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9364 mode argument. Call do_compare_rtx_and_jump.
9365 (emit_case_nodes): Update calls to do_jump_if_equal.
9367 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9369 PR rtl-optimization/26225
9370 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9372 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9374 PR rtl-optimization/26232
9375 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9377 2006-02-11 Jason Merrill <jason@redhat.com>
9380 * tree-inline.c (declare_return_variable): Just don't use the
9381 modify target if it's a gimple complex reg and the return slot
9384 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9386 * doc/contrib.texi: Update my entry.
9388 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9390 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9392 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9394 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9397 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9399 * doc/invoke.texi (-floop-optimize2): Removed.
9400 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9401 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9402 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9403 * common.opt (floop-optimize2): Removed.
9404 (fmove-loop-invariants): Enabled by default.
9406 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9408 * tree-if-conv.c (combine_blocks): Free the result of
9409 get_loop_exit_edges.
9411 2006-02-10 Jeff Law <law@redhat.com>
9413 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9415 PR tree-optimization/26213
9416 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9417 loop trying to follow SSA_NAME_VALUE chains.
9419 2006-02-10 Richard Guenther <rguenther@suse.de>
9421 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9422 deal with structures that end in implicitly variable sized arrays.
9424 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9426 PR rtl-optimization/24762
9427 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9430 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9432 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9433 (struct ivopts_data): Add regs_used field.
9434 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9435 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9436 instead of loop_data->regs_used;
9437 (free_loop_data): Do not free aux fields for loops.
9438 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9439 and tree_ssa_iv_optimize_finalize.
9441 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9443 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9445 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9448 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9449 computing the effective result type.
9451 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9454 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9455 (tree_overlaps_hard_reg_set): Declare.
9456 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9457 type and signature to match function type expected by walk_tree.
9458 (tree_overlaps_hard_reg_set): New function.
9459 (decl_conflicts_with_clobbers_p): Rename to:
9460 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9461 Use tree_overlaps_hard_reg_set. Changed caller.
9462 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9463 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9464 * cris.c (cris_md_asm_clobbers): Likewise.
9466 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9468 * reload1.c (emit_input_reload_insns): Delete code that tries to
9469 inherit using find_equiv_reg.
9471 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9473 * c-common.h (flag_const_strings): Don't declare.
9474 * c-common.c (flag_const_strings): Remove.
9475 * c.opt (fconst_strings): Remove.
9476 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9477 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9478 (c_common_init_options): Don't set flag_const_strings.
9479 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9481 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9483 * arm.md (tlobits_cbranch): New pattern.
9484 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9485 testing a single bit.
9487 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9490 * tree-ssa-pre.c (create_component_ref_by_pieces):
9491 Handle RETURN_DECL like VAR_DECL.
9493 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9496 * fold-const.c (fold_indirect_ref_1): Fold
9497 "*(foo *)&complexfoo" to "__real__ complexfoo"
9498 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9500 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9502 * tree-flow-inline.h (var_can_have_subvars):
9503 Volatile variables should not have subvariables.
9505 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9508 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9509 multiplying unsigned values.
9512 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9514 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9516 2006-02-08 Jason Merrill <jason@redhat.com>
9519 * tree.def: Elaborate on difference from MODIFY_EXPR.
9520 * doc/c-tree.texi (INIT_EXPR): Likewise.
9521 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9522 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9523 (gimplify_target_expr): Likewise.
9524 (gimplify_cond_expr): Remove target handling.
9525 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9526 (gimplify_expr): Clobber it here.
9527 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9528 Do return slot optimization if we have an INIT_EXPR.
9531 * tree-inline.c (declare_return_variable): Also clear
9532 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9535 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9538 * gimplify.c (gimplify_one_sizepos): Fix typo.
9540 2006-02-08 Jeff Law <law@redhat.com>
9542 PR tree-optimization/21417
9543 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9544 across a backedge if the control statement at the end of the
9545 block is data dependent on other statements in the same block.
9546 (record_temporary_equivalences_from_stmts): Remove over-conservative
9547 test for threading across backedges.
9549 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9550 control statement, handle all three special cases in the same
9551 manner as they all have the same desired solution. No longer
9552 special case edge flag updating when the post dominator is
9555 2006-02-08 Roger Sayle <roger@eyesopen.com>
9557 * tree.def (CHAR_TYPE): Remove.
9558 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9559 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9560 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9561 (gen_string_type_die): Delete unreachable function.
9563 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9564 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9565 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9566 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9567 * builtins.c (type_to_class): Likewise.
9568 * fold-const.c (fold_convert, build_range_check,
9569 merge_ranges): Likewise.
9570 * expr.c (count_type_elements): Likewise.
9571 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9572 * stor-layout.c (layout_type): Likewise.
9573 * ipa-type-escape.c (type_to_consider): Likewise.
9574 * gimplify.c (omp_firstprivatize_type_sizes,
9575 gimplify_type_sizes): Likewise.
9576 * explow.c (promote_mode): Likewise.
9577 * tree-sra.c (is_sra_scalar_type): Likewise.
9578 * varasm.c (output_constant): Likewise.
9579 * tree-inline.c (remap_type_1): Likewise.
9580 * convert.c (convert_to_pointer, convert_to_real,
9581 convert_to_integer, convert_to_complex): Likewise.
9583 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9585 * df-scan.c (df_def_record_1): A set destination may
9586 be a parallel regardless of mode.
9588 2006-02-08 Roger Sayle <roger@eyesopen.com>
9591 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9592 * config/mips/_tilib.c: Remove.
9593 * config/fixtfdi.c: New libgcc source file.
9594 * config/fixunstfdi.c: New source file.
9595 * config/floatditf.c: New source file.
9596 * config/floatunditf.c: New souce file.
9597 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9598 files above instead of config/mips/_tilib.c.
9599 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9601 2006-02-08 Jeff Law <law@redhat.com>
9603 PR tree-optimization/26169
9604 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9607 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9609 * df.h (DF_REG_SIZE): Return the length of the initialized
9612 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9614 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9615 __muldf3): Return a correctly signed zero.
9617 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9619 * passes.c (register_one_dump_file): Accept the current properties
9620 instead of pass number. Adjust call to dump_register. Remove
9622 (register_dump_files): Now a wrapper around...
9623 (register_dump_files_1): ... this one. Do not modify the pass
9625 (next_pass_1): Cosmetic fix.
9626 (execute_todo): Keep second parameter only. Use curr_properties
9627 instead of fetching it from the pass structure. Check and set
9629 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9630 instead of fetching it from the pass structure. Fix calls to
9631 execute_todo. Update curr_properties and initialize .vcg RTL dump
9632 after running the pass. Reset last_verified.
9633 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9635 (FIRST_AUTO_NUMBERED_DUMP): New.
9636 (dump_register): Remove "num" parameter, assign it within the
9638 (get_dump_file_name): Modify template for dumps.
9639 * tree-dump.h (dump_register): Adjust prototype.
9640 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9641 (PROP_trees): Add PROP_gimple_lomp.
9642 (TODO_set_props): New.
9643 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9644 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9645 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9647 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9649 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9650 (sparc64-*-linux*): Likewise.
9651 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9652 * config/sparc/t-linux: New file.
9653 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9654 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9655 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9656 -m32 -mlong-double-128.
9658 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9659 * config/alpha/t-linux: New file.
9660 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9662 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9663 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9664 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9665 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9666 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9667 (CPP_ARCH32_SPEC): Remove.
9669 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9671 PR tree-optimization/26145
9672 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9675 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9678 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9679 >= 240000 when generating code for SOM runtime.
9680 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9681 to $$dyncall when generating code for SOM runtime..
9683 2006-02-07 Dirk Mueller <dmueller@suse.com>
9686 * doc/invoke.texi (-Wsequence-point): Update documentation
9687 that -Wsequence-point is implemented for C++ as well.
9689 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9691 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9692 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9693 (LIB_SPEC): Likewise.
9694 * doc/invoke.texi (SPARC options): Document -pthread.
9696 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9698 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9701 2006-02-07 Roger Sayle <roger@eyesopen.com>
9703 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9704 Correct comment describing BOOLEAN_TYPE.
9706 2006-02-07 Dirk Mueller <dmueller@suse.com>
9708 * c.opt: C++ frontend supports -Wdiv-by-zero.
9709 * c-opts.c (c_common_handle_option): Remove dead case.
9711 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9713 * configure.ac (TLS assembler check): Do not enable TLS by
9714 default on SPARC/Solaris before version 10.
9715 * configure: Regenerate.
9717 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9719 * doc/invoke.texi (xl-compat): Document conversion and support
9722 2006-02-07 Jeff Law <law@redhat.com>
9724 * tree-vrp.c (find_conditional_asserts): Update comments.
9725 (simplify_stmt_for_jump_threading): New.
9726 (identify_jump_threads, finalize_jump_threads): New.
9727 (vrp_finalize): Call identify_jump_threads.
9728 (execute_vrp): Call finalize_jump_threads.
9729 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9730 (vrp_element, vrp_data, vrp_element_p): Remove.
9731 (vrp_hash_elt, vrp_variables_stack): Remove.
9732 (vrp_hash, vrp_eq, record_range): Remove.
9733 (simplify_cond_and_lookup_avail_expr): Remove.
9734 (extract_range_from_cond): Remove.
9735 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9736 (simplify_stmt_for_jump_threading): New.
9737 (dom_thread_across_edge): New wrapper.
9738 (tree_ssa_dominator_optimize): No longer initialize or
9739 finalize any of the VRP datastructures. Remove iteration
9740 step and simplify as a result of removal of iteration step.
9741 (pass_dominator): Perform a cfg cleanup after DOM.
9742 (dom_opt_finalize_block): Use the new common routines
9743 for threading jumps. Simplify stack management slightly.
9744 No longer need to unwind VRP state.
9745 (record_equivalences_from_incoming_edge): No longer record
9747 (eliminate_redundant_computations): No longer call
9748 simplify_cond_and_lookup_avail_expr.
9749 * tree-flow.h (potentially_threadable_block): Prototype.
9750 (thread_across_edge): Likewise.
9751 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9752 (tree-ssa-threadedge.o): Add dependencies.
9753 * tree-ssa-threadedge.c: New file.
9754 * passes.c (init_optimization_passes): Merge PHIs before
9755 calling VRP. Run VRP again late in the SSA optimization pipeline.
9757 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9759 * df-core.c (df_set_blocks): Do not dereference function pointers.
9760 (df_finish1): Likewise.
9761 (df_hybrid_search_forward): Likewise.
9762 (df_hybrid_search_backward): Likewise.
9763 (df_iterative_dataflow): Likewise.
9764 (df_analyze_problem): Likewise.
9765 (df_compact_blocks): Likewise.
9766 (df_dump): Likewise.
9767 * df-scan.c (df_rescan_blocks): Likewise.
9768 (df_record_entry_block_defs): Likewise.
9770 * genconditions.c (write_conditions): Guard the definition of
9771 'insn_conditions' with the check on GCC version.
9772 (write_writer): Guard the traversal 'insn_conditions' with
9773 the check on GCC version.
9775 2006-02-07 Richard Guenther <rguenther@suse.de>
9779 2006-01-30 Richard Guenther <rguenther@suse.de>
9781 * gimplify.c (gimplify_target_expr): Handle easy cases
9782 without creating a temporary.
9784 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9786 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9787 use of float in probability computations. Use edge probabilities
9788 in place of statically computed probabilities.
9789 (min_spec_prob): New static variable.
9790 (schedule_insns): Initialize it.
9791 (GET_SRC_PROB): Removed.
9792 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9794 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9797 * config/ia64/unwind-ia64.c: Revert last change.
9798 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9799 (INCOMING_FRAME_SP_OFFSET): Define.
9801 2006-02-06 Roger Sayle <roger@eyesopen.com>
9803 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9805 2006-02-07 Ben Elliston <bje@au.ibm.com>
9807 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9808 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9809 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9810 (ix86_return_in_memory): Handle TDmode.
9811 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9812 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9814 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9816 * reorg.c (dbr_schedule): Use dump_file instead of file.
9818 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9821 * config/ia64/predicates.md (extr_len_operand): New predicate.
9822 * config/ia64/ia64.md (extv): Tighten constraints.
9824 (*tbit_and_2): Ditto.
9825 (*tbit_and_3): Ditto.
9826 (*tbit_or_2): Ditto.
9827 (*tbit_or_3): Ditto.
9831 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9834 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9836 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9838 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9839 loop_optimizer_init and loop_optimizer_finalize
9840 * tree-ssa-sink.c (execute_sink_code): Ditto.
9841 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9842 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9843 tree_ssa_loop_done): Ditto.
9844 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9845 * sched-ebb.c: Include output.h.
9846 (schedule_ebbs): Do not use dump argument.
9847 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9848 * loop.c (loop_dump_stream): Removed.
9849 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9851 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9852 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9853 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9854 loop_iterations, strength_reduce, record_biv, record_giv,
9855 final_giv_value, check_final_value, check_ext_dependent_givs,
9856 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9857 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9858 dump_file instead of loop_dump_stream.
9859 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9861 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9863 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9864 * haifa-sched.c: Include output.h
9865 (schedule_insns, sched_init): Do not use dump argument.
9866 * mode-switching.c (optimize_mode_switching): Ditto.
9867 * modulo-sched.c (stats_file): Removed.
9868 (print_node_sched_params): Do not call argument dump_file.
9869 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9870 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9872 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9874 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9875 rtl_loop_init, rtl_loop_done): Ditto.
9876 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9877 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9879 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9880 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9881 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9882 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9883 * emit-rtl.c (renumber_insns): Ditto.
9884 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9885 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9886 * regclass.c (regclass): Ditto.
9887 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9888 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9889 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9890 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9892 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9893 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9895 * gcse.c (gcse_file, debug_stderr): Removed.
9896 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9897 rest_of_handle_gcse): Do not use dump argument.
9898 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9899 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9900 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9901 compute_code_hoist_vbeinout, compute_code_hoist_data,
9902 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9903 compute_store_table, build_store_vectors, insert_insn_start_bb,
9904 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9905 store_motion): Use dump_file instead of gcse_file.
9906 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9907 * profile.c (profile_dump_file): Removed.
9908 (branch_prob): Use dump_file instead of profile_dump_file.
9909 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9911 * tree-ssa-copy.c (dump_copy_of): Ditto.
9912 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9913 dump file to life_analysis.
9914 * bt-load.c (branch_target_load_optimize): Ditto.
9915 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9917 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9918 regclass, dbr_schedule): Declaration changed.
9919 * sched-int.h (sched_init): Declaration changed.
9920 * tree-profile.c (tree_profile_dump_file): Removed.
9921 (tree_profile_hooks): Removed profile_dump_file hook.
9922 * rtl-profile (rtl_profile_dump_file): Removed.
9923 (rtl_profile_hooks): emoved profile_dump_file hook.
9924 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9926 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9927 * tree-cfg.c (build_tree_cfg): Ditto.
9928 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9929 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9930 Declaration changed.
9931 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9932 life_analysis and schedule_insns.
9933 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9935 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9937 * config/mips/mips.c (mips_reorg): Ditto.
9938 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9941 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9943 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9944 (s390_mangle_fundamental_type): New.
9945 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9948 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9949 (alpha_mangle_fundamental_type): New.
9950 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9953 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9955 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9957 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9958 (sparc_mangle_fundamental_type): New.
9960 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9962 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9963 (s390x-*-linux*): Likewise.
9964 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9965 * config/s390/t-linux: New file.
9967 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9969 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9970 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9972 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9974 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9975 (ANTIC_SAFE_LOADS): New macro.
9976 (find_or_generate_expression): Add prototype.
9977 (set_contains_value): Allow null set for sake of not always having
9978 to allocate ANTIC_SAFE_LOADS.
9979 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9980 Allow COMPONENT_REF too.
9981 (valid_in_set): Allow COMPONENT_REF.
9982 Check ANTIC_SAFE_LOADS too.
9983 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9984 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9986 (can_PRE_operation): Add COMPONENT_REF.
9987 (create_component_ref_by_pieces): New function.
9988 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9989 (insert_aux): Move AGGREGATE_TYPE_P check here.
9990 (compute_avail): Set bb local stmt uids.
9991 (pass_pre): Use TODO_update_ssa_only_virtuals.
9993 2006-02-06 Ben Elliston <bje@au.ibm.com>
9995 * configure.ac: Unconditionally disable decimal float by default.
9996 * configure: Regenerate.
9998 2006-02-06 Ben Elliston <bje@au.ibm.com>
10000 * read-rtl.c (read_name): Terminate reading on EOF.
10002 2006-02-06 Ben Elliston <bje@au.ibm.com>
10004 * dfp.c (decimal_real_arithmetic): Change second argument type
10005 from int to enum tree_code. Do not always return true, but now
10006 return result of any call to decimal_do helper functions.
10007 * dfp.h (decimal_real_arithmetic): Update prototype.
10009 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10011 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10013 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10016 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10019 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10021 * tree-vrp.c (cfg_loops): Removed.
10022 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10023 Use current_loops instead of cfg_loops. Pass flags to
10024 loop_optimizer_init.
10025 * cfgloopmanip.c (fix_loop_structure): Update only available
10027 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10028 loop_optimizer_init.
10029 * modulo-sched.c (build_loops_structure): Removed.
10030 (sms_schedule): Use loop_optimizer_init.
10031 * loop-init.c (loop_optimizer_init): Use flags to determine
10032 which properties of loops to prepare.
10033 (rtl_loop_init): Pass flags to loop_optimizer_init.
10034 * tree-ssa-sink.c (execute_sink_code): Ditto.
10035 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10036 * tree-ssa-pre.c (init_pre): Ditto.
10037 * cfgloop.h (LOOPS_NORMAL): New.
10038 (loop_optimizer_init): Declaration changed.
10040 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10042 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10043 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10045 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10047 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10049 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10050 * pa/t-pa64: Delete quadlib.c rule.
10051 * pa/x-ada: Revert last change.
10052 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10054 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10056 PR rtl-optimization/26087
10057 * rtlanal.c (canonicalize_condition): Do not cross basic block
10060 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10063 * config/ia64/ia64.c: Include debug.h.
10064 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10065 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10066 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10067 (process_epilogue, process_set, process_for_unwind_directive):
10068 Output unwind info only if requested. Add CFA info if requested.
10069 Add new arguments as needed. Adjust callers.
10070 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10072 (DWARF2_FRAME_INFO): Define to zero.
10073 * config/ia64/unwind-ia64.c: Remove code that compensated for
10074 the CFA offset error fixed above.
10075 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10076 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10077 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10078 -funwind-tables and -fexceptions to enable frame info.
10079 (dwarf2out_frame_init): Define initial CFA even if
10080 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10081 DWARF2_UNWIND_INFO is nonzero, not just defined.
10082 (dwarf2out_frame_finish): Output non-EH call frame info only
10083 if DWARF2_FRAME_INFO is nonzero.
10084 (convert_cfa_to_loc_list,
10085 compute_frame_pointer_to_cfa_displacement): Define even if
10086 unwind info is not supported.
10087 (gen_subprogram_die): Use the above unconditionally. Remove
10088 legacy alternate code.
10089 * toplev.c (compile_file): Compile in call to
10090 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10091 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10093 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10094 Jakub Jelinek <jakub@redhat.com>
10096 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10097 IBM extended float format long double as "g" on powerpc*-linux.
10099 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10102 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10103 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10105 2006-02-03 Jason Merrill <jason@redhat.com>
10108 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10110 PR middle-end/25977
10111 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10112 on the return slot if it's an NRV.
10114 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10116 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10117 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10118 rewrite_use): Do not handle USE_OUTER.
10119 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10120 add_iv_outer_candidates, may_replace_final_value,
10121 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10122 (find_interesting_uses_op): Functionality of
10123 find_interesting_uses_outer_or_nonlin moved here.
10124 (find_interesting_uses_outside): Use find_interesting_uses_op.
10126 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10129 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10131 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10132 Ulrich Weigand <uweigand@de.ibm.com>
10135 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10136 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10137 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10138 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10140 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10141 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10142 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10143 Define secondary reloads for TFmode moves.
10144 (constant_modes): Add TFmode.
10145 (NR_C_MODES): Set to 8.
10146 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10148 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10149 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10150 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10151 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10152 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10153 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10154 (FPR mode macro): Add TFmode.
10155 (DSF mode macro): New.
10156 (<de>, <dee> mode attributes): Removed.
10157 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10158 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10159 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10160 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10161 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10162 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10163 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10164 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10165 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10166 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10167 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10168 "*negabs<mode>2", "sqrt<mode>2"):
10169 Changed <de> to <xde>. R constraint replaced by <Rf>.
10170 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10172 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10173 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10174 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10176 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10177 "extenddftf2", "extendsftf2"): New expanders.
10178 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10179 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10180 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10181 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10183 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10184 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10185 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10186 __floatditf): Add a GCC_4.1.0 symbol version tag.
10187 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10190 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10193 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10194 Use targetm.binds_local_p instead of TREE_PUBLIC.
10196 2006-02-02 Roger Sayle <roger@eyesopen.com>
10198 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10199 on INTEGER_TYPEs to indicate that it denotes a character type.
10200 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10201 signed_char_type_node, unsigned_char_type_node and char_type_node.
10202 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10203 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10204 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10206 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10207 Daniel Berlin <dberlin@dberlin.org>
10209 * tree-tailcall.c (arg_needs_copy_p): New function.
10210 (eliminate_tail_call): Use arg_needs_copy_p.
10211 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10212 (add_virtual_phis): New function.
10214 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10216 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10217 #ignore instead of #scratch for %g7 .register directive.
10219 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10221 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10224 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10226 * flow.c (calculate_global_regs_live): Assert that there aren't any
10229 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10231 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10232 what its name says.
10233 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10234 bsi_after_labels iterator.
10235 * tree-if-conv.c (find_phi_replacement_condition,
10236 replace_phi_with_cond_modify_expr): Likewise.
10237 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10238 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10240 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10242 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10244 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10247 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10248 array after growing it.
10250 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10252 PR middle-end/24901
10253 * fold-const.c (fold_checksum_tree): Change type of buf.
10255 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10257 * reload.c (push_secondary_reload): Initialize t_icode.
10259 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10261 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10262 -msoft-float -mlong-double-128 only issue a warning, but don't
10263 swich to DFmode long double.
10265 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10267 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10268 has a constant equivalent, iterate over equivalents for arg0,
10269 calling simplify_relational_operation and if there's a result
10270 cheaper than X, apply fold_rtx and return the result.
10272 2006-02-01 Jan Hubicka <jh@suse.cz>
10274 * opts.c (no_unit_at_a_time_default): New global variable.
10275 (decode_options): Use it.
10276 * opts.h (no_unit_at_a_time_default): Declare.
10278 2006-02-01 Paul Brook <paul@codesourcery.com>
10280 * function.c (assign_parm_setup_reg): Use function argument promotion
10282 * expr.c (expand_expr_real_1): Use function argument promotion rules
10285 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10287 * gcc.c (process_command): Change j to 'unsigned int'.
10289 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10291 PR middle-end/26001
10292 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10293 Use the corrected index for the character
10294 out of the string constant.
10296 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10298 * mode-switching.c (optimize_mode_switching): Fix size
10299 allocated for bb_info[n_entities].
10301 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10303 * gcc.c (main): Correct type that is allocated for
10304 explicit_link_files.
10306 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10308 * config/s390/s390.c (init_alignment_context): Set
10309 ALIAS_SET_MEMORY_BARRIER on the MEM.
10310 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10312 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10314 PR middle-end/25933
10315 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10317 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10320 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10322 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10323 * regrename.c: Ditto.
10324 * tree-ssa-loop-im.c: Ditto.
10325 * tree-dump.c: Ditto.
10326 * tree-complex.c: Ditto.
10327 * genrecog.c: Ditto.
10328 * tree-ssa-threadupdate.c: Ditto.
10330 * java/class.c: Ditto.
10331 * java/jcf-parse.c: Ditto.
10332 * java/resource.c: Ditto.
10333 * java/except.c: Ditto.
10334 * java/jvspec.c: Ditto.
10335 * java/jcf-write.c: Ditto.
10336 * java/jcf-path.c: Ditto.
10337 * java/gjavah.c: Ditto.
10338 * java/zextract.c: Ditto.
10339 * java/jcf-io.c: Ditto.
10340 * java/jcf.h: Ditto.
10341 * java/buffer.c: Ditto.
10342 * java/lang.c: Ditto.
10343 * java/parse-scan.y: Ditto.
10344 * java/lex.c: Ditto.
10345 * java/lex.h: Ditto.
10346 * cfgloopmanip.c: Ditto.
10347 * postreload-gcse.c: Ditto.
10348 * tree-ssa-loop-manip.c: Ditto.
10349 * postreload.c: Ditto.
10350 * tree-ssa-loop-ch.c: Ditto.
10353 * cppspec.c: Ditto.
10354 * diagnostic.c: Ditto.
10356 * genoutput.c: Ditto.
10358 * cfghooks.c: Ditto.
10359 * cfgloopanal.c: Ditto.
10360 * objc/objc-act.c: Ditto.
10362 * genextract.c: Ditto.
10363 * genautomata.c: Ditto.
10364 * pretty-print.c: Ditto.
10365 * genemit.c: Ditto.
10366 * cgraphunit.c: Ditto.
10368 * df-scan.c: Ditto.
10369 * haifa-sched.c: Ditto.
10370 * dominance.c: Ditto.
10372 * tree-ssa-loop-ivopts.c: Ditto.
10373 * df-core.c: Ditto.
10374 * mode-switching.c: Ditto.
10375 * modulo-sched.c: Ditto.
10377 * ipa-pure-const.c: Ditto.
10379 * fix-header.c: Ditto.
10381 * tree-stdarg.c: Ditto.
10382 * ipa-utils.c: Ditto.
10383 * loop-init.c: Ditto.
10384 * ipa-inline.c: Ditto.
10385 * cfganal.c: Ditto.
10387 * alloc-pool.c: Ditto.
10388 * dwarf2out.c: Ditto.
10390 * genattrtab.c: Ditto.
10391 * tree-ssa-loop-ivcanon.c: Ditto.
10392 * predict.c: Ditto.
10393 * timevar.c: Ditto.
10395 * fortran/gfortranspec.c: Ditto.
10396 * regmove.c: Ditto.
10397 * local-alloc.c: Ditto.
10398 * langhooks.c: Ditto.
10399 * function.c: Ditto.
10400 * tree-vectorizer.c: Ditto.
10402 * ipa-type-escape.c: Ditto.
10404 * tree-if-conv.c: Ditto.
10405 * profile.c: Ditto.
10407 * tree-data-ref.c: Ditto.
10408 * loop-unroll.c: Ditto.
10409 * treelang/treetree.c: Ditto.
10411 * bt-load.c: Ditto.
10412 * ggc-common.c: Ditto.
10414 * coverage.c: Ditto.
10416 * tree-cfgcleanup.c: Ditto.
10417 * tree-ssa-pre.c: Ditto.
10418 * cfgcleanup.c: Ditto.
10419 * loop-invariant.c: Ditto.
10420 * loop-iv.c: Ditto.
10421 * ipa-prop.c: Ditto.
10422 * print-tree.c: Ditto.
10423 * conflict.c: Ditto.
10424 * ggc-page.c: Ditto.
10425 * sched-deps.c: Ditto.
10426 * regclass.c: Ditto.
10427 * tree-object-size.c: Ditto.
10428 * combine.c: Ditto.
10429 * bb-reorder.c: Ditto.
10430 * resource.c: Ditto.
10431 * var-tracking.c: Ditto.
10432 * cfgloop.c: Ditto.
10433 * df-problems.c: Ditto.
10434 * reg-stack.c: Ditto.
10436 * gccspec.c: Ditto.
10437 * sched-rgn.c: Ditto.
10438 * tree-ssa-structalias.c: Ditto.
10439 * tree-ssa-reassoc.c: Ditto.
10440 * config/darwin-c.c: Ditto.
10441 * config/darwin.c: Ditto.
10442 * config/arm/arm.c: Ditto.
10444 * collect2.c: Ditto.
10445 * reload1.c: Ditto.
10447 2006-01-31 Nicolas Pitre <nico@cam.org>
10449 * arm.md (smaxsi3): Make aware of smax_m1.
10452 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10454 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10456 2006-01-31 Richard Guenther <rguenther@suse.de>
10458 * doc/invoke.texi (-msselibm): Document.
10459 * target.h (expand_library_builtin): New target hook.
10460 * builtins.c (expand_builtin): Use expand_library_builtin.
10461 (default_expand_library_builtin): New function.
10462 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10463 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10464 (link_gcc_math_spec): Declare.
10465 (static_specs): Add link_gcc_math_spec.
10466 * expr.h (default_expand_library_builtin): Declare.
10467 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10468 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10469 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10470 * config/i386/i386.opt (msselibm): New target option.
10471 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10472 (ix86_init_sse_abi_builtins): New function.
10473 (ix86_expand_library_builtin): Likewise.
10474 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10475 (override_options): Handle error conditions wrt -msselibm.
10476 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10477 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10478 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10481 2006-01-31 Richard Guenther <rguenther@suse.de>
10482 Paolo Bonzini <bonzini@gnu.org>
10484 * doc/install.texi (--disable-libgcc-math): Document.
10486 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10488 * expr.h (expand_normal): new inline function.
10489 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10490 * dojump.c: use it.
10491 * dwarf2out.c: use it.
10494 * expmed.c: use it.
10495 * except.c: use it.
10496 * config/sparc/sparc.c: use it.
10497 * config/i386/i386.c: use it.
10498 * config/rs6000/rs6000.c: use it.
10499 * config/arm/arm.c: use it.
10500 * config/mips/mips.c: use it.
10501 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10503 2006-01-30 Roger Sayle <roger@eyesopen.com>
10505 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10506 argv to the appropriate type.
10508 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10510 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10513 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10516 * config/s390/s390.c (struct machine_function): New flag
10517 decomposed_literal_pool_addresses_ok_p.
10518 (s390_reorg): Set it before final stage of literal pool transforms.
10519 (s390_decompose_address): Only accept displacements of the form
10520 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10522 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10524 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10525 the comparison routine return.
10527 2006-01-30 Michael Matz <matz@suse.de>
10529 * global.c (find_reg): Only evict for global regs.
10530 Take n_refs into account and dump more info.
10532 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10535 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10536 (pragma_trap, pragma_nosave_low_regs): Likewise.
10537 (current_function_anonymous_args): Likewise.
10538 (sh_deferred_function_attributes): New variable.
10539 (sh_deferred_function_attributes_tail): Likewise.
10540 (print_operand): For '@', look up trap_exit attribute.
10541 (calc_live_regs): Look up trapa_handler attribute. For trapa
10542 handlers, save/restore fpscr, but don't do any other
10543 interrupt-specific saves.
10544 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10545 Fix check for partially saved registers to check for SHmedia.
10546 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10547 (sh_output_function_epilogue): Don't clear any of the removed
10549 (sh_insert_attributes): Don't check pragma_interrupt.
10550 Insert deferred attributes. Check that interrupt attribute is
10551 present for other attributes that require its presence.
10552 (sh_attribute_table): Add new attributes trapa_handler and
10554 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10555 Don't check for pragma_interrupt. Don't store argument.
10556 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10557 (sh_deferred_function_attributes): Declare.
10558 (sh_deferred_function_attributes_tail): Likewise.
10559 * sh.md (sp_switch_1): Add operand. Change generator caller.
10560 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10561 (*return_i): Don't use when trap_exit attribute is in effect.
10562 (*return_trapa): New insn pattern.
10563 * sh-c.c: New file.
10564 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10565 setting c_target_objs and cxx_target_objs.
10566 * t-sh: Add rule for sh-c.o.
10568 2006-01-30 Richard Guenther <rguenther@suse.de>
10571 * gimplify.c (gimplify_target_expr): Handle easy cases
10572 without creating a temporary.
10574 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10576 * vec.h (safe_grow): Remove duplicated line.
10578 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10581 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10582 (expand_omp): ... here.
10583 (expand_omp_parallel): Only remove barriers for combined
10584 parallel+workshare constructs.
10586 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10590 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10591 * tree.c (build_qualified_type): Chain the new type to the original
10592 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10593 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10594 (build_pointer_type_for_mode): Only return unqualified types.
10595 (build_reference_type_for_mode): Likewise.
10597 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10599 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10600 * Makefile.in (CXX_COMPAT_WARN): Define.
10601 * configure: Regenerate.
10603 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10606 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10609 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10611 * toplev.c: Fix thinko.
10613 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10614 Marcin Dalecki <martin@dalecki.de>
10616 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10617 (push_srcloc): Use XNEW.
10618 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10620 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10622 * df-core.c (df_set_blocks): Deleted all variable.
10624 2006-01-28 Ian Lance Taylor <ian@airs.com>
10626 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10627 cgraph_output_pending_asms.
10629 2006-01-28 Zack Weinberg <zackw@panix.com>
10631 * c.opt: Add -W(no-)overlength-strings.
10632 * doc/invoke.texi: Document it.
10633 * c-opts.c (c_common_handle_option): -pedantic implies
10634 -Woverlength-strings, if not explicitly disabled already.
10635 (c_common_post_options): -Woverlength-strings defaults to off, and
10636 is always off for C++.
10637 * c-common.c (fix_string_type): Issue warning about strings longer
10638 than is portable only if warn_overlength_strings. Rearrange code
10639 a little for clarity.
10640 * configure.in: Check for -Wno-overlength-strings as well before
10641 enabling -pedantic in stage 1.
10642 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10643 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10645 * genconditions.c (write_header, write_one_condition)
10646 (write_conditions, write_writer): Consolidate very long strings
10647 that were broken up to fit in C89 portable limit. Don't use
10648 printf when fputs will do.
10650 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10652 * combine.c (simplify_comparison <AND>): Check
10653 TRULY_NOOP_TRUNCATION before start using a subreg.
10655 * config/mips/mips.md (*branch_zero<mode>,
10656 *branch_zero<mode>_inverted, *branch_equality<mode>,
10657 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10658 Remove mode check from comparisons.
10660 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10662 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10664 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10666 * expmed.c (const_mult_add_overflow_p): Remove.
10667 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10669 * recog.c (validate_replace_rtx_subexp): Remove.
10670 * recog.h: Remove the prototype for
10671 validate_replace_rtx_subexp.
10673 * integrate.h: Remove the prototype for
10674 copy_decl_for_inlining.
10675 * rtl.h: Remove the prototype for mark_constant_function.
10676 * tree-vectorizer.h: Remove the prototype for
10677 vect_strip_conversion.
10679 * modulo-sched.c (create_partial_schedule,
10680 free_partial_schedule, reset_partial_schedule): Make them
10683 * hooks.c (hook_bool_rtx_int_false): Remove.
10684 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10686 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10688 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10689 and -mlong-double-128 are incompatible.
10690 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10691 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10692 (TARGET_LIBGCC2_CFLAGS): Define.
10693 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10694 (TARGET_LIBGCC2_CFLAGS): Same.
10695 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10697 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10700 * c-typeck.c (build_binary_op): Perform implicit casts of
10701 operands before shortening them.
10703 * cfgloopmanip.c (split_loop_bb): Remove.
10704 * cfgloop.h: Remove the prototype for split_loop_bb.
10706 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10707 * cfgloop.h: Remove the prototype for
10708 flow_loop_outside_edge_p.
10710 * emit-rtl.c (init_virtual_regs): Make it static.
10711 * function.h: Remove the prototype for init_virtual_regs.
10713 * recog.c (peephole2_optimize): Make it static.
10714 * recog.h: Remove the prototype for peephole2_optimize.
10716 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10718 * df-scan.c (df_record_entry_block_defs): Check if
10719 INCOMING_RETURN_ADDR_RTX is defined.
10721 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10722 Kenneth Zadeck <zadeck@naturalbridge.com>
10724 PR rtl-optimization/24762
10725 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10726 * targhooks.c (hook_void_bitmap): New hook prototype.
10727 * targhoohs.h (hook_void_bitmap): Ditto.
10728 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10729 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10730 * target.h (live_on_entry): New function pointer.
10731 * df-scan.c (df_all_hard_regs): Removed.
10732 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10733 (df_scan_free_internal): Added df->entry_block_defs.
10734 (df_scan_alloc): Ditto.
10735 (df_scan_dump): Ditto.
10736 (df_uses_record): Plumbed flag field properly thru calls.
10737 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10738 This part fixes PR24762.
10739 (df_bb_refs_record): Added code to make the frame and arg
10740 pointers live in EH blocks.
10741 (df_refs_record): Added call to df_record_entry_block_defs.
10742 (df_record_entry_block_defs): New function.
10743 * df-core.c: Added comments to describe new artifical defs.
10744 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10745 (entry_block_defs): New field in struct df.
10746 (df_all_hard_regs): Deleted.
10747 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10748 * df-problems.c (df_ru_bb_local_compute_process_def):
10749 Added code to handle artifical defs in the entry to a function.
10750 (df_ru_bb_local_compute): Ditto.
10751 (df_rd_bb_local_compute_process_def): Ditto.
10752 (df_rd_bb_local_compute): Ditto.
10753 (df_lr_bb_local_compute): Ditto.
10754 (df_ur_bb_local_compute): Ditto.
10755 (df_urec_bb_local_compute): Ditto.
10756 (df_chain_create_bb): Ditto.
10757 (df_ur_local_finalize): Removed entry.
10758 (df_urec_init): Ditto.
10759 (df_urec_local_finalize): Ditto.
10760 (df_ri_bb_compute): Added detection of last use of pseudos.
10761 * Makefile.in (df-scan.o): Updated dependencies.
10762 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10763 * config/mips/mips.c (mips_set_live_on_entry): Added.
10764 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10766 * dce.c (marked_insn_p): Added code to handle artifical defs.
10768 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10770 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10772 (_mm_cvtsi128_si64): Likewise.
10773 (_mm_cvtsd_si64): Likewise.
10774 (_mm_cvttsd_si64): Likewise.
10775 (_mm_cvtsi64_sd): Likewise.
10776 (_mm_cvtsi64_si128): Likewise.
10777 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10778 (_mm_cvtsi64_m64): Likewise.
10779 (_m_to_int64): Likewise.
10780 (_mm_cvtm64_si64): Likewise.
10781 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10782 (_mm_cvttss_si64): Likewise.
10783 (_mm_cvtsi64_ss): Likewise.
10784 (_mm_cvtss_f32): Likewise.
10786 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10788 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10789 for pragma redefine_extname.
10791 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10794 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10795 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10796 -mno-minimal-toc to previous content.
10797 (bispecs): Remove goal.
10798 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10799 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10800 compatibility aliases on powerpc-*-*gnu*.
10801 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10802 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10803 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10804 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10805 (ldblspecs): New goal.
10806 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10807 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10809 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10810 L_sf_to_tf or L_df_to_tf is defined.
10812 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10813 Alan Modra <amodra@bigpond.net.au>
10816 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10817 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10818 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10819 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10820 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10821 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10822 (rs6000_override_options): Initialize rs6000_ieeequad.
10823 Initialize TFmode format to ibm_extended_format if not
10825 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10827 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10828 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10829 (function_arg_advance): IBM long double passed in two FPRs, not
10831 (function_arg): IBM long double passed in FPRs.
10832 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10833 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10834 Only multireg GPR aligned.
10835 (rs6000_init_libfuncs): Enable IBM long double functions if not
10837 (rs6000_generate_compare): Use IBM long double compare if not
10839 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10840 (TARGET_IEEEQUAD): Define.
10841 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10842 not TARGET_IEEEQUAD.
10843 * config/rs6000/rs6000.md: Enable TFmode patterns if
10845 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10846 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10847 and -mlong-double-128 are incompatible.
10848 * doc/invoke.texi (-mabi): Collect options together. Add
10849 ibmlongdouble and ieeelongdouble.
10851 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10853 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10855 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10856 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10857 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10858 * rtl.h (rtunion_def): Remove rt_ptr.
10860 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10861 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10862 * config/i386/winnt.c (i386_pe_mark_dllexport)
10863 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10865 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10867 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10869 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10873 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10874 pthread_key_delete. From John David Anglin. gthrw-ify
10875 pthread_getunique_np only if it it's not a macro. Delete
10877 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10878 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10879 __gthread_objc_condition_signal, __gthread_key_delete): Add
10880 "__attribute__ ((__unused__))" to unused arguments.
10881 (__gthread_recursive_mutex_init_function): Add missing return.
10882 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10883 gthr-posix95.h: Use macro-based approach for name redirection
10884 on targets missing weakref.
10886 2006-01-26 Zack Weinberg <zackw@panix.com>
10888 * genconditions.c (write_header): In generated code, #ifdef out
10889 all includes and fake declarations, except includes of bconfig.h
10890 and system.h, unless GCC_VERSION >= 3001. Do not include
10891 gensupport.h in any case.
10892 (write_conditions): Generate a definition of struct c_test. Add
10893 a comment to the generated #endif.
10894 (write_one_condition): Escape backslashes in string too.
10895 (write_writer): Generated code must escape backslashes and quote
10896 marks (but not newlines) in the strings it writes.
10897 * Makefile.in (build/gencondmd.o): Update dependencies.
10899 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10902 * Makefile.in (insn-automata.o): Add header file dependencies.
10903 * genautomata.c: Add includes.
10905 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10908 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10910 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10912 * configure.ac: Expect target tools paths to be passed from the toplevel
10913 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10915 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10917 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10920 * c.opt (Wpointer-sign): Init to -1.
10921 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10922 OPT_pedantic, to 0 otherwise.
10923 * doc/invoke.texi: Update.
10925 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10927 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10928 constants provided by 80387 instructions in the destination mode.
10930 2006-01-26 Richard Guenther <rguenther@suse.de>
10931 Andrew Pinski <pinskia@physics.uc.edu>
10934 partial PR tree-opt/17064
10935 * tree-ssa-structalias.c (intra_create_variable_infos):
10936 Create heap variables for incoming parameters if
10937 flag_argument_noalias > 1.
10938 (find_what_p_points_to): Look through default defs of
10941 2006-01-26 Jeff Law <law@redhat.com>
10944 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10945 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10946 within the VR_RANGE, use the VR_RANGE as the result, not the
10948 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10949 bounds for the type.
10951 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10953 * tree-ssa-alias.c (maybe_create_global_var): Change
10954 subvar walking to an assertion that we don't have subvar'd variables.
10956 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10959 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10960 Use a new variable, inner. PARM_DECLs are always non-weak.
10962 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10964 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10965 --disable-checking.
10967 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10969 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10971 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10973 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10974 (smax_insn, smin_insn, smax_0, smin_0): New.
10976 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10979 * config/cris/cris.c (cris_order_for_addsi3): New function.
10980 * config/cris/cris-protos.h: Prototype it.
10981 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10982 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10983 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10984 (split for "op.S1 [rx=rx+i],ry (swapped)")
10985 (split for "op(s|u).S1 [rx=rx+i],ry")
10986 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10987 Apply cris_order_for_addsi3 when generating addsi3 insns.
10989 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10991 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10992 (TREE_BLOCK): Add call to EXPR_CHECK.
10994 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10997 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10998 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10999 (dump_omp_clauses): ... here.
11000 (dump_generic_node): Handle OMP_CLAUSE.
11001 * tree.c (omp_clause_num_ops): New.
11002 (omp_clause_code_name): New.
11003 (tree_code_size): Handle OMP_CLAUSE.
11004 (tree_size): Likewise.
11005 (make_node): Document handling of OMP_CLAUSE.
11006 (tree_node_structure): Handle OMP_CLAUSE.
11007 (omp_clause_check_failed): New.
11008 (omp_clause_range_check_failed): New.
11009 (omp_clause_operand_check_failed): New.
11010 (build_omp_clause): New.
11011 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11012 * tree.h (enum omp_clause_code): Declare.
11013 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11014 (OMP_CLAUSE_RANGE_CHECK): Define.
11015 (OMP_CLAUSE_ELT_CHECK): Define.
11016 (omp_clause_check_failed): Declare.
11017 (omp_clause_operand_check_failed): Declare.
11018 (omp_clause_range_check_failed): Declare.
11019 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11020 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11021 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11022 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11023 (OMP_CLAUSE_IF_EXPR): Likewise.
11024 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11025 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11026 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11027 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11028 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11029 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11030 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11031 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11032 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11033 (OMP_CLAUSE_CODE): Define.
11034 (OMP_CLAUSE_SET_CODE): Define.
11035 (OMP_CLAUSE_CODE): Define.
11036 (OMP_CLAUSE_OPERAND): Define.
11037 (struct tree_omp_clause): Declare.
11038 (union tree_node): Add field 'omp_clause'.
11039 * treestruct.def (TS_OMP_CLAUSE): Define.
11040 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11041 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11042 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11043 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11044 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11045 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11046 (OMP_CLAUSE): Define.
11047 * print-tree.c (print_node): Handle OMP_CLAUSE.
11048 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11049 * c-typeck.c: Likewise.
11050 * gimplify.c: Likewise.
11051 * c-omp.c: Likewise.
11052 * tree-nested.c: Likewise.
11053 * tree-inline.c: Likewise.
11054 * c-parser.c: Likewise.
11055 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11058 2006-01-25 Roger Sayle <roger@eyesopen.com>
11060 PR rtl-optimization/25703
11061 * combine.c (try_combine): Handle zero_extract and strict_low_part
11062 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11064 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11066 * global.c: Fix comment typos.
11068 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11071 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11072 Use output_addr_const instead of assemble_name.
11074 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11076 * Makefile.in (sched-vis.o): Update dependencies.
11077 * haifa-sched.c (sched_finish): Clear current_sched_info.
11078 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11079 (dump_flow_info): Call it.
11080 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11082 * basic-block.h (dump_bb_info): Declare.
11083 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11084 option, and apply options only for dump files whose TDF_RTL,
11085 TDF_TREE, or TDF_IPA bits match.
11086 * rtl.h: Declare new functions exported from sched-vis.c.
11087 * sched-vis.c: Enable also if scheduling is not used.
11088 (print_value): Print the mode of registers if not inside scheduling.
11089 (print_insn): Make it work outside the scheduler. Beautify the output
11091 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11093 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11095 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11096 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11097 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11098 depending on the value of CONSTANT_POOL_ADDRESS_P.
11099 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11101 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11102 rather than SYMBOL_REF_DECL.
11103 (rtx_constant_pool): Remove const_rtx_sym_htab.
11104 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11105 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11106 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11107 Remove handling of const_rtx_sym_htab.
11108 (find_pool_constant): Delete.
11109 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11110 rather than find_pool_constant.
11111 (get_pool_constant_for_function): Delete.
11112 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11113 find_pool_constant.
11114 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11115 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11116 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11117 (SYMBOL_REF_CONSTANT): New macro.
11118 (get_pool_constant_for_function): Delete.
11119 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11120 rather than SYMBOL_REF_DECL.
11121 (i386_pe_mark_dllimport): Likewise.
11122 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11123 rather than SYMBOL_REF_DECL.
11124 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11125 (machopic_indirect_call_target): Likewise.
11127 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11129 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11131 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11133 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11135 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11137 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11139 2006-01-24 David Daney <ddaney@avtrex.com>
11142 * configure.ac (enable_tls): New enable option.
11143 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11144 * configure: Regenerate.
11145 * doc/install.texi (--enable-tls): Document new option.
11146 (--disable-tls): Ditto.
11148 2006-01-24 Richard Henderson <rth@redehat.com>
11150 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11151 * alias.c (true_dependence): Respect it.
11152 (canon_true_dependence, write_dependence_p): Likewise.
11153 * builtins.c (get_builtin_sync_mem): Set it.
11155 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11157 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11160 2006-01-24 DJ Delorie <dj@redhat.com>
11162 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11163 for storing constants in single-bit bitfields.
11165 2006-01-25 Ben Elliston <bje@au.ibm.com>
11167 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11169 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11172 * tree-ssa-pre.c (phi_translate): Return NULL
11173 for AGGREGATE_TYPE's.
11175 2006-01-24 Zack Weinberg <zackw@panix.com>
11177 * genautomata.c (process_state_for_insn_equiv_partition):
11178 Use xcalloc for insn_arcs_array.
11179 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11180 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11182 2006-01-24 Richard Henderson <rth@redhat.com>
11184 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11185 update all callers.
11187 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11189 PR rtl-optimization/25890
11190 PR rtl-optimization/25905
11191 * combine.c (expand_compound_operation, expand_field_assignment):
11192 Fail if the bitfield's final position is out of bounds.
11194 2006-01-24 Ian Lance Taylor <ian@airs.com>
11196 PR middle-end/25930
11197 * cgraphunit.c (cgraph_output_in_order): Don't clear
11198 cgraph_asm_nodes until after asm strings have been output.
11200 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11202 * fix-header.c (read_scan_file): Add new parameter imultilib when
11203 calling register_include_chains.
11205 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11207 * omp-low.c: Update documentation.
11209 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11210 Daniel Berlin <dberlin@dberlin.org>
11214 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11215 return from the function.
11217 2006-01-22 Zack Weinberg <zackw@panix.com>
11219 * rtl.def (match_code): Add second argument.
11220 * genpreds.c (write_extract_subexp): New function.
11221 (write_match_code): Add path argument. Use write_extract_subexp.
11222 (write_predicate_expr): Pass path to write_match_code.
11223 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11224 not perform a mode test.
11225 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11226 a subexpression does not constrain the top-level code set.
11227 * read-rtl.c (read_rtx_variadic): New function.
11228 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11229 * doc/md.texi: Document new notation.
11230 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11231 (cmpsi_operand): ... here, using new notation.
11233 2006-01-22 Zack Weinberg <zackw@panix.com>
11235 * varray.c: Remove GENERATOR_FILE #ifdefs.
11237 2006-01-22 Zack Weinberg <zackw@panix.com>
11239 * genautomata.c (output_reserved_units_table): Emit nothing if
11240 description->query_units_num is zero. Remove extra blank line.
11241 (output_cpu_unit_reservation_p): Short circuit
11242 if description->query_units_num is zero.
11244 2006-01-22 Zack Weinberg <zackw@panix.com>
11246 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11247 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11248 nor any of the random handful of variables that used to be necessary
11249 when this program was linked with rtlanal.o. Prune set of forward
11250 function declarations.
11251 (struct attr_desc): Remove static_p field.
11252 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11253 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11254 (attr_string): Do not read the character one past the length of
11256 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11257 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11258 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11259 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11260 (make_automaton_attrs): New.
11261 (main): Do not call into genautomata. Call local gen_bypass
11262 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11263 Remove special case for insn_alts.
11264 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11265 varray.h (leftover from previous change). Prune set of forward
11266 function declarations. Remove state_alts fields from all
11267 structures. Remove state_alts_table from struct automaton.
11268 Make everything except main static. Do not maintain num_dfa_decls.
11269 Do not maintain state_alts fields of various structures.
11270 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11271 (add_arc): Remove state_alts argument. All callers updated.
11272 (output_reserved_units_table): Emit #ifdef here...
11273 (output_tables): ...not here. Don't generate state_alts tables.
11274 (expand_automata): Don't generate attributes.
11275 (write_automata): Don't generate state_alts functions.
11276 (main): New function.
11277 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11278 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11279 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11280 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11281 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11282 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11283 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11284 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11286 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11287 * genattrtab.h: Delete file.
11288 * Makefile.in (OBJS-common): Add insn-automata.o.
11289 (insn-automata.o): New rule.
11290 (simple_generated_c): Add insn-automata.c.
11291 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11292 (genprogmd): Add automata.
11293 (build/genattrtab): Needs no extra objects nor libraries.
11294 (build/genautomata): Needs build/vec.o and -lm.
11296 2006-01-22 Zack Weinberg <zackw@panix.com>
11298 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11299 (output_dfa_max_issue_rate, locked_states_num): Delete.
11300 (struct automaton): Add locked_states field.
11301 (output_dead_lock_vect): Save number of locked states in
11302 automaton->locked_states. If it is zero, don't print anything.
11303 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11304 (output_internal_dead_lock_func): Only test the dead_lock_vect
11305 for automata that have locked states.
11306 (output_statistics): Always print the number of locked states for
11307 each automaton. Calculate total number of locked states here.
11308 (write_automata): Don't call output_dfa_max_issue_rate.
11309 * genattrtab.c: Define length_unit_log as a const variable.
11310 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11311 max_insn_queue_index const.
11312 * final.c (length_unit_log): Declare const.
11313 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11315 2006-01-22 Zack Weinberg <zackw@panix.com>
11317 * genautomata.c: Include vec.h, not varray.h.
11318 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11319 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11320 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11321 VEC_* macros operating on appropriately typed vectors, or to
11322 malloced arrays when the size is known in advance. Const-ify
11323 many char* variables and function arguments. No functional changes.
11324 * Makefile.in (build/varray.o): Delete rule.
11325 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11326 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11328 2006-01-22 Zack Weinberg <zackw@panix.com>
11330 * gensupport.c: Define get_insn_name and record_insn_name here.
11331 (read_md_rtx): Call record_insn_name as appropriate.
11332 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11333 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11334 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11336 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11337 (BUILD_VARRAY): Delete.
11338 (genprognormal): Rename genprogmd. Fold in all programs from
11339 genprognoprint; also attrtab.
11340 (build/genattrtab): Just mention genautomata.o and varray.o.
11341 Reorganize a bit, add comments to make the categories clearer.
11343 2006-01-22 Zack Weinberg <zackw@panix.com>
11345 * genconditions.c (condition_table, add_condition): Delete.
11346 (write_conditions): Don't emit n_insn_conditions nor
11347 insn_elision_unavailable. Issue the gcc version #ifdef here,
11348 inside the table, with no #else clause ...
11349 (write_header): ...not here.
11350 (write_writer): New function.
11351 (main): Don't initialize condition_table. Use add_c_test.
11353 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11354 files on the command line.
11355 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11356 Return -1 if there is no entry in the table, don't abort.
11357 (add_c_test, traverse_c_tests): New functions.
11358 * gensupport.h (insn_elision_unavailable, insn_conditions)
11359 (n_insn_conditions): Delete declarations.
11360 (add_c_test, traverse_c_tests): Declare.
11361 * read-rtl.c: Include gensupport.h.
11362 (read_conditions): New function.
11363 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11364 (read_rtx_1): If we get EOF when we were looking for an initial
11365 open paren, return 0. Call read_conditions when appropriate.
11366 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11367 dummy-conditions.o. Eliminate references to insn-conditions.o,
11368 or change them to build/gencondmd.o, as appropriate. Remove
11369 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11370 from $(simple_generated_c). For all files remaining in those
11371 two lists, add insn-conditions.md to the generator command line.
11372 Give insn-constants.h/s-constants their own rules. Add rules
11373 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11374 (build/read-rtl.o): Depend on gensupport.h.
11375 (genprognormal): Include preds.
11376 (genprogearly): Rename genprognoprint; only difference is now that
11377 they don't link with $(BUILD_PRINT).
11378 * dummy-conditions.c: Delete.
11380 2006-01-22 Zack Weinberg <zackw@panix.com>
11382 * genextract.c: Don't include insn-config.h. Do include vec.h.
11383 Declare vectors of int, char, and locstr.
11384 (locstr): New typedef.
11385 (struct extraction): Make all array fields into bare pointers.
11386 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11387 (insn_code_number): Delete.
11388 (accum_extract): New struct.
11389 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11390 (gen_insn): Take insn_code_number as an argument. Use an
11391 accum_extract structure instead of loading data directly into
11392 a struct extraction, and having to know how big it might get.
11393 (walk_rtx): Operate entirely on an accum_extract structure.
11394 (print_path): Avoid unnecessary use of printf.
11395 (print_header): New function, split out of main. Distinguish
11396 more carefully between an unrecognizable insn and an insn that
11397 has the code number of a define_expand.
11398 (main): Pass insn_code_number to gen_insn. Call print_header
11399 only after parsing. Avoid unnecessary use of printf.
11400 * Makefile.in (build/vec.o): New rule.
11401 (build/genextract): Depend on build/vec.o.
11402 (build/genextract.o): Don't depend on insn-config.h.
11404 2006-01-22 Zack Weinberg <zackw@panix.com>
11406 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11407 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11408 practical. Eliminate per-generator-program link rules.
11410 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11412 PR middle-end/24437
11413 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11414 with a call expr to ...
11415 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11417 2006-01-23 Richard Guenther <rguenther@suse.de>
11419 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11420 before make_edge with conditional EDGE_TRUE_VALUE.
11422 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11423 Jan Hubicka <jh@suse.cz>
11424 Richard Guenther <rguenther@suse.de>
11426 PR rtl-optimization/25654
11427 * cfgexpand.c (aggregate_contains_union_type): New function.
11428 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11429 for structure variables that contain a union type.
11431 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11433 * gengtype.c (new_structure): Return the structure.
11434 (create_option): Add an extra "next" argument.
11435 (create_field): New function.
11436 (adjust_field_rtx_def): Use create_option and create_field.
11437 Remove a now-unnecessary call to find_structure.
11438 (adjust_field_tree_def): Likewise.
11439 (note_yacc_type): Remove an unnecessary call to find_structure.
11440 * gengtype.h (new_structure): Return the structure.
11441 (create_option): Add an extra argument.
11442 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11443 (option): Adjust calls to create_option.
11445 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11447 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11449 2006-01-22 Paul Brook <paul@codesourcery.com>
11450 Peter Barada <peter@the-baradas.com>
11452 * config/m68k/m68k.md: Add Coldfire FPU support.
11453 Define FP mode macro and associated attributes.
11454 Use it for float mode patterns.
11455 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11456 (LIBCALL_VALUE): Use m68k_libcall_value.
11457 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11458 (m68k_function_value): Ditto.
11459 (emit_move_sequence): Ditto.
11460 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11461 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11462 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11463 (MULTILIB_EXCEPTIONS): Ditto.
11464 * config/m68k/m68k.opt: Add mcfv4e.
11465 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11466 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11467 (m68k_output_function_prologue): Save ColdFire FPU registers.
11468 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11469 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11470 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11471 ColdFire FPU registers.
11472 (m68k_libcall_value, m68k_function_value): New functions.
11473 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11474 (LIBCALL_VALUE): Use m68k_libcall_value.
11475 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11476 (MASK_COLDFIRE): Add MASK_CFV4E.
11477 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11478 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11479 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11480 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11481 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11482 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11483 * doc/invoke.tex: Document -mcfv4e on m68k.
11485 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11487 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11490 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11493 * c-opts.c (c_common_handle_option): Don't include
11494 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11495 * doc/invoke.texi (C++ Dialect Options): Document that
11496 -Wnon-virtual-dtor is no longer included in -Wall.
11498 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11500 * gcov.c (print_version), gcov-dump.c (print_version),
11501 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11504 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11506 * df-scan.c (problem_SCAN): Added NULL reset function.
11507 (df_scan_reset_blocks): Added code to call reset block function
11508 (df_bb_refs_delete) Fixed comment.
11509 (df_insn_refs_delete): Made tolerant of deleting non existent info
11510 for dataflow problems that need to be reset.
11511 * df-core.c (df_set_blocks): Ditto.
11512 * df.h (struct df_problem): Added reset_fun.
11513 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11514 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11515 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11516 functions to clear out all references to def-use or use-def chains.
11518 2006-01-21 Ben Elliston <bje@au.ibm.com>
11520 * varasm.c (assemble_real): Initialise data array.
11522 2006-01-20 Paul Brook <paul@codesourcery.com>
11524 Merge from csl-arm-branch.
11525 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11526 * config/arm/arm.md (movdi): Force operands[1] to a register
11527 if we have a non-register source.
11528 (*arm_movdi, *movdf_soft_insn): Require that one of the
11529 operands be a register.
11530 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11531 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11533 2006-01-20 DJ Delorie <dj@redhat.com>
11535 * varasm.c (initializer_constant_valid_p): Allow pointers
11536 initialized from integer constants of lesser precision.
11537 (output_constant): Allow non-int-sized pointer modes to be
11538 initialized from integer constants.
11540 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11543 * cppdefault.h (struct default_include): Add multilib flag.
11544 * cppdefault.c (cpp_include_defaults): Set it.
11545 * c.opt (-imultilib): New option.
11546 * c-opts.c (imultilib): New.
11547 (c_common_handle_option): Handle -imultilib.
11548 (c_common_post_options): Likewise.
11549 * c-incpath.c (add_standard_paths, register_include_chains):
11551 * c-incpath.h (register_include_chains): Add extra parameter.
11552 * gcc.c (do_spec_1): Generate -imultilib option.
11553 (The Specs Language): Update %I description.
11554 (process_command): Update copyright notice.
11555 * doc/cppopts.texi (-imultilib): Document.
11556 * doc/invoke.texi (-imultilib): Include in option summary.
11557 (%I): Update specs documentation.
11559 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11561 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11563 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11565 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11568 2006-01-20 Richard Guenther <rguenther@suse.de>
11569 Steven Bosscher <stevenb.gcc@gmail.com>
11571 PR rtl-optimization/24626
11572 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11573 EDGE_TRUE_VALUE if in RTL mode.
11576 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11577 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11579 2006-01-20 Dirk Mueller <dmueller@suse.com>
11582 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11583 instead of a special NOP marker.
11584 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11585 NOP marker handling.
11586 * c-common.h (empty_body_warning): Add forward declaration.
11587 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11588 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11590 2006-01-20 Paul Brook <paul@codesourcery.com>
11592 * Makefile.in (lang_checks): Keep going if mkdir fails.
11594 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11596 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11597 be able to clean out basic block when not necessary.
11598 (df_scan_free): Fixed to properly delete information if df is
11599 unused before calling df_finish.
11600 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11601 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11603 (df_bb_refs_delete): New function.
11604 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11605 * df-core.c (df_set_blocks): Added code to properly clean out
11606 unused blocks if they are not part of the blocks to consider.
11607 Added additional null check.
11608 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11609 be able to clean out basic block when not necessary
11610 * df.h (df_free_bb_function): Ditto.
11611 (df_bb_refs_delete): New function.
11612 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11613 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11614 basic block parameter to be able to clean out basic block when not
11616 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11617 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11618 Fixed to properly delete information if df is unused before
11621 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11623 PR rtl-optimization/25799
11624 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11625 Corrected confluence operator to remove bits from op2 before oring
11626 with op1 rather than removing bits from op1.
11627 (df_ru_transfer_function): Corrected test on wrong bitmap which
11628 caused infinite loop. Both of these problems were introduced in
11629 the dataflow rewrite.
11631 2006-01-19 DJ Delorie <dj@redhat.com>
11633 * reload1.c (find_reload_regs): Note the details of reload
11634 failures in the dump file.
11635 (spill_failure): Likewise.
11637 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11639 * loop-iv.c: Include df.h and hashtab.h.
11640 (enum iv_grd_result): New enum.
11641 (DF_REF_IV, DF_REF_IV_SET): New macros.
11642 (struct biv_entry): New.
11643 (df, bivs): New global variables.
11644 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11645 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11647 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11648 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11649 analyzed_for_bivness_p, record_biv): New functions.
11650 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11651 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11652 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11654 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11656 (iv_number_of_iterations): Use new interface to iv analysis.
11657 * loop-unroll.c: Do not include varray.h.
11658 (analyze_iv_to_split_insn): Use new interface to iv
11660 * loop-unswitch.c (may_unswitch_on): Ditto.
11661 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11663 (df_bb_modify): Realloc tables to the new index.
11664 (df_find_use): New function.
11665 * df.h (df_find_use): Declare.
11666 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11668 * cfgloop.h (struct rtx_iv): Remove analysed field.
11669 (iv_get_reaching_def): Removed.
11670 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11671 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11672 (loop-iv.o): Add df.h and hashtab.h dependency.
11673 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11675 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11678 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11680 (__floatundisf, __floatundidf): Likewise.
11681 * libgcc2.h (IS_IBM_EXTENDED): Define.
11683 2006-01-19 DJ Delorie <dj@redhat.com>
11685 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11687 2006-01-19 Paul Brook <paul@codesourcery.com>
11689 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11690 as nothrow when unwinding tables are disabled.
11692 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11695 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11696 of bit-field" when in system header.
11698 2006-01-19 DJ Delorie <dj@redhat.com>
11700 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11701 the 16 bit shift limit of the m16c.
11703 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11706 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11707 * config/i386/i386.c (output_set_got): Output the label if we have one
11708 for the TARGET_DEEP_BRANCH_PREDICTION case.
11710 2006-01-19 Jan Hubicka <jh@suse.cz>
11711 H.J. Lu <hongjiu.lu@intel.com>
11712 Evandro Menezes <evandro.menezes@amd.com>
11714 * invoke.texi (generic): Document
11716 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11717 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11718 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11719 (x86_use_incdec, x86_pad_returns): New variables
11720 (TARGET_CPU_DEFAULT_generic): New constant
11721 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11722 (enum processor_type): Add generic32 and generic64.
11723 * i386.md (cpu attribute): Add generic32/generic64
11724 (movhi splitter): Behave sanely when both partial_reg_dependency and
11725 partial_reg_stall are set.
11726 (K8 splitters): Enable for generic as well.
11727 * predicates.md (incdec_operand): Use TARGET_INCDEC
11728 (aligned_operand): Avoid memory mismatch stalls.
11729 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11730 * ppro.md: Enable for generic32
11731 * i386.c (generic64_cost, generic32_cost): New.
11732 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11733 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11734 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11735 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11736 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11737 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11738 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11739 x86_accumulate_outgoing_args, x86_prologue_using_move,
11740 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11741 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11742 Enable for generic.
11743 (x86_use_incdec, x86_pad_returns): New.
11744 (override_options): Add generic32 and generic64, translate "generic"
11745 to generic32/generic64 and "i686" to "generic32", refuse
11746 "generic32"/"generic64" as arch target.
11747 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11748 (ix86_reorg): Honor PAD_RETURNS.
11750 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11752 * tree-pretty-print.c (dump_generic_node): Handle
11753 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11754 * cgraph.c (cgraph_expand_queue): Rename from
11755 cgraph_analyze_queue. Update all users.
11756 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11757 cgraph_expand_queue.
11758 (cgraph_expand_all_functions): Likewise.
11759 (cgraph_finalize_pending_functions): Remove. Update callers.
11761 * tree.h (OMP_DIRECTIVE_P): Define.
11762 (OMP_PARALLEL_FN): Define.
11763 (OMP_PARALLEL_DATA_ARG): Define.
11764 (OMP_SECTIONS_SECTIONS): Define.
11765 * tree-pass.h (pass_expand_omp): Declare.
11766 * omp-low.c (struct omp_region): Declare.
11767 (struct omp_context): Remove fields 'parallel_type',
11768 'parallel_start_ix' and 'parallel_start_additional_args'.
11770 (struct omp_for_data): Rename from struct expand_omp_for_data.
11771 (omp_regions): New static variable.
11772 (root_omp_region): New static variable.
11773 (find_omp_clause): Make static.
11774 (is_in_combined_parallel_ctx): Remove.
11775 (is_combined_parallel): New.
11776 (extract_omp_for_data): Move earlier in the file.
11777 (workshare_safe_to_combine_p): New.
11778 (get_ws_args_for): New.
11779 (determine_parallel_type): Move earlier in the file.
11780 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11782 (omp_copy_decl): Likewise.
11783 (create_omp_child_function): Likewise.
11784 (lookup_omp_region): New.
11785 (dump_omp_region): New.
11786 (debug_omp_region): New.
11787 (debug_all_omp_regions): New.
11788 (new_omp_region): New.
11789 (scan_omp_parallel): If parallel_nesting_level > 1, the
11790 directive is nested within another parallel directive.
11791 Set OMP_PARALLEL_FN.
11792 (scan_omp_for): Do not try to handle combined parallel+for
11794 Remove FIXME comment.
11795 (scan_omp_nested): Remove.
11796 (scan_omp_1): Do not call scan_omp_nested when
11797 parallel_nesting_level is > 1.
11798 Do not change the DECL_CONTEXT of local variables found.
11799 (lookup_decl_in_outer_ctx): New.
11800 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11801 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11802 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11803 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11804 If CTX is nested, lookup VAR in the outer context when
11805 building copy assignment.
11806 (lower_send_clauses): Rename from expand_send_clauses.
11807 If CTX is nested, lookup VAR in the outer context when
11808 building copy assignments.
11809 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11810 If CTX is nested, lookup VAR in the outer context when
11811 building copy assignments.
11812 (expand_parallel_call): Rename from build_parallel_call.
11813 Handle combined parallel+workshare cases.
11814 Re-implement to emit code into the CFG.
11816 (expand_omp_parallel): Re-implement to emit code into the CFG.
11817 Call move_sese_region_to_fn to outline the sub-graph
11818 containing the parallel region.
11819 (expand_omp_for_1): Remove.
11820 (expand_omp_for_generic): Re-implement to emit code into the
11822 (expand_omp_for_static_nochunk): Likewise.
11823 (expand_omp_for_static_chunk): Likewise.
11824 (expand_omp_for): Likewise.
11825 (expand_omp_sections): Likewise.
11826 (remove_exit_barriers): New.
11827 (expand_omp_synch): New.
11829 (build_omp_regions_1): New.
11830 (build_omp_regions): New.
11831 (execute_expand_omp): New.
11832 (gate_expand_omp): New.
11833 (pass_expand_omp): Define.
11834 (lower_omp_sections): Rename from expand_omp_sections.
11835 Set OMP_SECTIONS_SECTIONS.
11836 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11837 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11838 (lower_omp_single): Rename from expand_omp_simple.
11839 (lower_omp_master): Rename from expand_omp_master.
11840 (lower_omp_ordered): Rename from expand_omp_ordered.
11841 (lower_omp_critical): Rename from expand_omp_critical.
11842 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11843 (lower_omp_for): Re-implement.
11844 (lower_omp_parallel): Re-implement.
11845 (lower_regimplify): Rename from expand_regimplify.
11846 (lower_omp_1): Rename from expand_omp_1.
11847 If there are syntax errors in the program, replace every
11848 OpenMP directive with NOP.
11849 Call lower_omp_* instead of expand_omp_*.
11850 (lower_omp): Rename from expand_omp.
11852 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11853 * tree-gimple.h (enum omp_parallel_type): Remove.
11854 (gimple_boolify): Declare extern.
11855 (find_omp_clause, determine_parallel_type): Remove.
11857 * gimple-low.c (lower_omp_directive): New.
11858 (lower_stmt): Call it.
11859 (record_vars_into): Move from ...
11860 (record_vars): ... here.
11861 Call record_vars_into with current_function_decl.
11863 * gimplify.c (struct gimplify_ctx): Remove fields
11864 combined_pre_p and combined_ctxp. Update users.
11865 (get_formal_tmp_var): Add documentation.
11866 (gimple_boolify): Make extern.
11867 (gimplify_expr_in_ctx): Remove. Update callers.
11868 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11869 will always be a BIND_EXPR.
11870 (gimplify_expr): Handle OMP_RETURN_EXPR.
11871 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11872 (OMP_PARALLEL): Add 3 operands.
11873 (OMP_SECTIONS): Add 1 operand.
11874 (OMP_RETURN_EXPR): Define.
11876 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11877 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11878 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11879 creating a circular free list.
11880 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11882 * tree-flow.h (move_sese_region_to_fn): Declare.
11883 (record_vars_into): Declare.
11884 * tree-cfg.c (make_omp_sections_edges): New.
11885 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11886 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11887 OMP_SECTIONS and OMP_SECTION.
11888 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11889 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11890 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11891 (gather_blocks_in_sese_region): New.
11892 (struct move_stmt_d): Declare.
11893 (move_stmt_r): New.
11894 (move_block_to_fn): New.
11895 (move_sese_region_to_fn): New.
11897 * passes.c (init_optimization_passes): Schedule
11898 pass_expand_omp after pass_init_datastructures.
11900 * tree-ssa-operands.c (get_expr_operands): Handle
11901 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11902 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11904 2006-01-19 Jeff Law <law@redhat.com>
11906 * tree-vrp.c (extract_range_from_assert): Refine the result range
11907 if the variable referenced by the ASSERT_EXPR has a range and
11908 either the tentative result range or the previous range is a
11911 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11913 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11915 2006-01-19 Jan Hubicka <jh@suse.cz>
11917 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11919 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11921 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11922 (expand_compound_operation, expand_field_assignment): Fail if the
11923 bit lengths of an extract operation are out of range.
11924 (make_extraction): Compute wanted_inner_mode based on the position
11925 and length of the extraction. Make it extraction_mode for non-constant
11926 positions, and do not modify offset in that case. When generating a
11927 new MEM, use a mode that can hold the extraction while keeping correct
11928 alignment. Remove code that supported MEMs wrapped by USEs.
11929 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11931 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11933 * config/s390/s390.md ("Y", "y"): New mode attribute.
11934 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11935 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11936 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11937 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11938 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11939 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11940 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11941 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11942 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11943 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11944 "addsi3", "subsi3"): Insn patterns removed.
11945 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11946 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11947 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11948 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11949 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11950 "*sub<mode>3_cconly2"): New insn patterns.
11951 ("addsi3", "subsi3"): New expanders.
11953 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11955 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11956 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11957 existing STMT_VINFO_VECTYPE if available.
11958 (vect_mark_relevant): Add special handling for stmts that are
11959 marked as STMT_VINFO_IN_PATTERN_P.
11960 (vect_analyze_loop): Call vect_pattern_recog.
11961 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11962 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11964 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11965 (vect_recog_func_ptr): New function-pointer type.
11966 * tree-vect-patterns.c: New file.
11967 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11968 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11969 (vect_pattern_recog_1): New functions.
11970 (vect_pattern_recog_funcs): New array of function pointers.
11972 * tree-vectorizer.h (ternary_op): New enum value.
11973 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11974 declaration. Revised documentation. Removed redundant dump prints.
11975 Removed redundant argument. Added support for reduction patterns.
11976 (vectorizable_reduction): Added support for reduction patterns.
11977 (vect_transform_stmt): Added support for patterns.
11979 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11980 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11981 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11982 (expand_widen_pattern_expr): New function.
11983 (init_optabs): Initialize new optabs udot_prod_optab,
11985 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11986 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11987 (expand_widen_pattern_expr): New function declaration.
11988 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11990 * tree-inline.c (estimate_num_insns_1): Added cases for new
11991 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11992 * tree-pretty-print.c (dump_generic_node): Likewise.
11993 (op_prio): Likewise.
11994 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11995 * tree-ssa-operands.c (get_expr_operands): Added case for
11997 * tree-vect-patterns.c (widened_name_p): New function.
11998 (vect_recog_dot_prod_pattern): Added function implementation.
11999 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12000 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12001 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12002 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12004 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12005 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12006 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12007 (init_optabs): Initialize new optabs widen_ssum_optab,
12009 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12010 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12011 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12012 use instead of type of def.
12013 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12014 function implementation.
12015 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12016 widen_ssumv8hi): New.
12018 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12021 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12024 * c-decl.c (add_flexible_array_elts_to_size): New function.
12025 (finish_decl): Use it.
12027 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12029 * diagnostic.h: Include options.h.
12030 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12031 dependancies for diagnostic.h.
12032 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12034 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12036 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12037 (ssa_ro_call_cache_valid): Ditto.
12038 * tree-ssa-alias.c (sort_tags_by_id): New function.
12039 (init_transitive_clobber_worklist): Ditto.
12040 (add_to_worklist): Ditto.
12041 (mark_aliases_call_clobbered): Ditto.
12042 (compute_tag_properties): Ditto.
12043 (set_initial_properties): Ditto.
12044 (compute_call_clobbered): Ditto.
12045 (compute_may_aliases): Call compute_call_clobbered and grouping.
12046 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12047 (compute_flow_insensitive_aliasing): Grouping now happens in our
12049 (setup_pointers_and_addressables): Remove clobbering related code.
12050 (add_may_alias): Ditto.
12051 (replace_may_alias): Ditto.
12052 (get_nmt_for): Ditto.
12053 (create_global_var):
12054 (is_escape_site): Return an escape_type enumeration.
12055 * tree-flow-inline.h (is_call_clobbered): Global var does not
12056 imply call clobbered.
12057 (mark_call_clobbered): Take a reason for marking this. Remove
12058 marking of globalness, and cache invalidation.
12059 (clear_call_clobbered): Remove cache invalidation code.
12060 * tree-dfa.c (dump_variable): If details is on, dump the reason
12062 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12064 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12065 (struct var_ann_d): Ditto.
12066 (enum escape_type): New.
12067 (mark_call_clobbered): Adjust prototype.
12068 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12069 are never call clobbered.
12070 Record reasons for escaping.
12071 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12072 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12073 (ssa_ro_call_cache_valid): Ditto.
12074 (clobbered_v_may_defs): Ditto.
12075 (clobbered_vuses): Ditto.
12076 (ro_call_vuses): Ditto.
12077 (clobber_stats): New.
12078 (init_ssa_operands): Zero out clobber stats.
12079 (fini_ssa_operands): Print out clobber stats.
12080 (get_call_expr_operands): Pass callee fndecl to
12081 add_call_read_ops).
12082 (add_call_clobber_ops): Remove use of cache.
12083 Add use of PURE_CONST information.
12084 (add_call_read_ops): Remove use of cache.
12085 Add use of static not_read information.
12087 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12089 Introduce TLS descriptors for i386 and x86_64.
12090 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12091 (TARGET_ANY_GNU_TLS): New macro.
12092 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12093 (struct machine_function): Add tls_descriptor_call_expanded_p.
12094 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12095 (ix86_current_function_calls_tls_descriptor): Likewise.
12096 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12097 (override_options): Introduce gnu2 tls dialect.
12098 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12100 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12102 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12103 (ix86_init_machine_status): Initialize new field.
12104 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12105 (ix86_tls_module_base): New.
12106 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12107 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12108 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12109 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12110 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12111 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12112 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12113 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12114 * config/i386/predicates.md (tls_modbase_operand): New.
12115 (tp_or_register_operand): New.
12117 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12119 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12120 (look_for_address_of): Ditto.
12121 (ipa_init): Walk the function decls.
12122 (static_execute): Don't set readonly on FUNCTION_DECL's.
12124 2006-01-18 Roger Sayle <roger@eyesopen.com>
12126 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12127 for shifts where the source and destination registers are different.
12129 2006-01-18 Paul Brook <paul@codesourcery.com>
12131 Merge from csl-arm-branch.
12132 2005-03-14 Julian Brown <julian@codesourcery.com>
12133 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12134 (aeabi_llsl): Likewise.
12135 (ashrdi3): Likewise.
12136 (aeabi_lasr): Likewise.
12137 (lshrdi3): Likewise.
12138 (aeabi_llsr): Likewise.
12139 2005-03-10 Julian Brown <julian@codesourcery.com>
12140 * config.gcc: Disable shared libgcc for SymbianOS.
12141 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12143 2006-01-18 DJ Delorie <dj@redhat.com>
12145 * c-pragma.c (handle_pragma_diagnostic): New.
12146 (init_pragma): Register it.
12147 * doc/extend.texi: Document it.
12149 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12150 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12151 (diagnostic_context): Add classify_diagnostic[].
12152 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12153 as errors if they're overridden to DK_WARNING.
12154 (diagnostic_initialize): Initialize classify_diagnostic[].
12155 (diagnostic_set_kind_override): New.
12156 (diagnostic_report_diagnostic): Check for kind changes.
12157 * opts.c (common_handle_option): Take lang_mask. Update callers.
12158 Handle OPT_Werror_.
12159 * common.opt (Werror=): New.
12160 * doc/invoke.texi: Document -Werror=*
12162 2006-01-18 Jeff Law <law@redhat.com>
12164 * tree-vrp.c (test_for_singularity): Correct test for new
12165 min limit. Use operand_equal_p rather than pointer equality
12166 for testing if new min/max values are equal.
12168 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12169 using range information until after propagation and folding.
12171 2006-01-18 Richard Henderson <rth@redhat.com>
12172 Aldy Hernandez <aldyh@redhat.com>
12173 Jakub Jelinek <jakub@redhat.com>
12174 Diego Novillo <dnovillo@redhat.com>
12176 * omp-low.c: New file.
12177 * c-omp.c: New file.
12179 2006-01-18 Richard Henderson <rth@redhat.com>
12180 Jakub Jelinek <jakub@redhat.com>
12181 Diego Novillo <dnovillo@redhat.com>
12183 * doc/invoke.texi: Document -fopenmp.
12184 * tree-dump.h (debug_function): Declare.
12185 * hooks.c (hook_bool_tree_bool_false): New function.
12186 (hook_tree_tree_null): Remove.
12187 (hook_tree_tree_tree_null): New.
12188 * hooks.h: Update to match.
12189 * tree-pretty-print.c (debug_tree_chain): New.
12190 (print_generic_expr): Handle TDF_CHAIN.
12191 (dump_generic_node): Handle BLOCK.
12192 Do not abort with incomplete SWITCH_EXPRs.
12193 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12194 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12195 print space after directive name.
12196 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12197 Handle OMP_MASTER and OMP_ORDERED.
12198 Handle printing of OMP_BODY just in one place, goto
12199 dump_omp_body in the rest of OMP_* nodes that have
12201 Don't handle clause nodes here. Update omp statements to
12202 use dump_omp_clauses.
12203 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12204 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12205 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12206 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12207 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12208 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12209 Adjust output for GOMP_PARALLEL.
12210 (dump_omp_clauses): New.
12211 (print_declaration): Dump DECL_VALUE_EXPR.
12212 (op_symbol_1): Split out of op_symbol.
12213 (dumping_stmts): Remove. Update all users.
12214 * cgraph.c (cgraph_analyze_queue): New.
12215 (cgraph_add_new_function): New.
12216 * cgraph.h (cgraph_analyze_queue): Declare.
12217 (cgraph_add_new_function): Declare.
12218 (cgraph_lower_function): Remove.
12219 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12220 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12221 and TYPE_P nodes in its default clause.
12222 (empty_body_p): New.
12223 (tree_range_check_failed): New.
12224 (build5_stat): New.
12225 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12226 OMP_CLAUSE_REDUCTION_MERGE,
12227 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12228 OMP_CLAUSE_PRIVATE_DEBUG,
12229 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12230 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12231 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12232 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12233 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12234 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12235 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12236 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12237 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12238 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12239 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12240 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12241 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12242 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12243 (TREE_RANGE_CHECK): New.
12244 (empty_body_p): Declare.
12245 (enum omp_clause_default_kind): New.
12246 (build_string_literal): Declare.
12247 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12248 (build5_stat, build5): Declare.
12249 * tree-pass.h (TDF_CHAIN): Define.
12250 * tree-pass.h (PROP_gimple_lomp): Define.
12251 (pass_lower_omp): Declare.
12252 * diagnostic.h (debug_tree_chain): Declare.
12253 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12255 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12256 * builtins.c (build_string_literal): Make extern.
12257 * gcc.c (include_spec_function): New.
12258 (static_spec_functions): Add it.
12259 (main): Move load of libgomp.spec ...
12260 (LINK_COMMAND_SPEC): ... here.
12261 (link_gomp_spec): New.
12262 (static_specs): Include it.
12263 (LINK_COMMAND_SPEC): Add link_gomp.
12264 (GOMP_SELF_SPECS): New.
12265 (driver_self_specs): Include it.
12266 (switch_matches): Don't mark inline.
12267 (main): Load libgomp.spec.
12268 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12269 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12270 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12271 * tree-gimple.h (enum omp_parallel): Declare.
12272 (determine_parallel_type): Declare.
12273 (omp_firstprivatize_variable): Declare.
12274 (omp_reduction_init): Declare.
12275 (diagnose_omp_structured_block_errors): Declare.
12276 (struct walk_stmt_info): Add want_return_expr.
12277 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12278 (find_omp_clause): Declare.
12279 (insert_field_into_struct): Declare.
12280 (struct walk_stmt_info): Move from tree-nested.c
12281 (walk_stmts): Declare.
12282 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12284 * cgraphunit.c (cgraph_lower_function): Make static.
12285 (cgraph_finalize_pending_functions): New.
12286 (cgraph_finalize_function): Call it.
12287 (cgraph_finalize_compilation_unit): Likewise.
12288 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12289 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12290 (BT_FN_UINT_UINT): New.
12291 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12292 DEF_FUNCTION_TYPE_VAR_4): Document.
12293 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12294 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12295 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12296 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12297 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12298 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12299 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12300 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12301 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12302 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12303 into separate files.
12304 (DEF_GOMP_BUILTIN): New.
12305 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12306 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12307 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12308 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12309 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12310 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12311 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12312 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12313 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12314 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12315 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12316 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12317 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12318 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12319 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12320 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12321 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12322 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12323 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12324 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12325 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12326 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12327 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12328 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12329 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12330 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12331 * sync-builtins.def: New file, moved from builtins.def.
12332 * omp-builtins.def: New file, moved from builtins.def.
12333 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12334 * gimple-low.c (lower_function_body): Clear data.
12335 (lower_stmt): Do not handle COMPOUND_EXPR.
12336 Remove call to print_node_brief.
12337 * c-tree.h (c_finish_omp_clauses): New prototype.
12338 (C_DECL_THREADPRIVATE_P): Define.
12339 (lookup_name_no_remap, c_omp_remap_private): Remove
12340 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12341 (check_for_loop_decls): Update decl.
12342 (lookup_name_no_remap, c_omp_remap_private): Declare.
12343 (build_indirect_ref, build_modify_expr, pushdecl,
12344 pushdecl_top_level): Move to c-common.h.
12345 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12346 before the switch, but just in the 2 places that need it.
12347 * c-decl.c (diagnose_mismatched_decls): Do not check for
12348 mismatched thread-local attributes when OLDDECL is marked
12349 threadprivate and NEWDECL has no thread-local attributes.
12350 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12351 (c_gimple_diagnostics_recursively): Rename from
12352 c_warn_unused_result_recursively. Invoke
12353 diagnose_omp_structured_block_errors.
12354 (check_for_loop_decls): Return a singular decl found.
12355 * langhooks.c (lhd_omp_predetermined_sharing): Return
12356 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12357 (lhd_omp_firstprivatize_type_sizes): New.
12358 (lhd_omp_assignment): New.
12359 (lhd_omp_predetermined_sharing): New.
12360 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12361 (struct lang_hooks_for_types): Add
12362 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12363 omp_predetermined_sharing, omp_disregard_value_expr,
12364 omp_private_debug_clause, omp_clause_default_ctor,
12365 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12366 (c_finish_omp_clauses): New.
12367 (c_finish_bc_stmt): Diagnose break within omp for.
12368 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12369 (build_unary_op): Return error_mark after reporting
12371 (build_modify_expr): Likewise.
12372 * gimplify.c: Include optabs.h and pointer-set.h.
12373 (enum gimplify_omp_var_data): Declare.
12374 (struct gimplify_omp_ctx): Declare.
12375 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12377 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12378 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12379 (splay_tree_compare_decl_uid): New.
12380 (new_omp_context): New.
12381 (delete_omp_context): New.
12382 (gimple_add_tmp_var): Call omp_add_variable.
12383 (gimplify_bind_expr): Likewise.
12384 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12385 true, disregard DECL_VALUE_EXPR on the decl if any.
12386 (gimplify_expr_in_ctx): New.
12387 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12388 omp_add_variable, omp_notice_variable, omp_is_private
12389 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12390 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12391 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12392 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12393 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12394 gimplify_omp_atomic): New.
12395 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12396 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12397 OMP_CRITICAL and OMP_ATOMIC.
12398 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12399 * c-pragma.h (enum pragma_kind): Add
12400 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12401 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12402 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12403 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12404 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12405 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12406 PRAGMA_OMP_THREADPRIVATE.
12407 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12408 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12409 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12410 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12411 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12412 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12413 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12414 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12415 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12416 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12417 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12418 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12419 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12421 (struct nesting_info): Add field_map,
12422 suppress_expansion, debug_var_chain.
12423 (create_nesting_tree): Initialize them.
12424 (lookup_field_for_decl): Use field_map.
12425 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12426 (convert_local_omp_clauses): New.
12427 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12428 (walk_body): Split out of walk_function.
12429 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12430 (convert_nonlocal_reference): Handle omp statements.
12431 (convert_local_reference): Likewise.
12432 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12433 (unnest_nesting_tree): New.
12434 (lower_nested_functions): Call it.
12435 (insert_field_into_struct): Make extern.
12436 (struct walk_stmt_info): Move to tree-gimple.h.
12437 (walk_stmts): Make extern.
12438 * omp-builtins.def: New file.
12439 * tree-iterator.c (expr_only): Clarify comment.
12440 * c-common.h (pushdecl_top_level, pushdecl,
12441 build_modify_expr, build_indirect_ref,
12442 c_finish_omp_master, c_finish_omp_critical,
12443 c_finish_omp_ordered, c_finish_omp_barrier,
12444 c_finish_omp_atomic, c_finish_omp_flush,
12445 c_finish_omp_for, c_split_parallel_clauses,
12446 omp_clause_default_kind, c_omp_sharing_predetermined,
12447 c_omp_remap_decl): Declare.
12448 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12449 (OBJS-common): Add omp-low.o.
12450 (c-omp.o, omp-low.o): Add.
12451 (gimplify.o): Add dependency on $(OPTABS_H).
12452 (GTFILES): Add omp-low.c.
12453 (gt-stringpool.h): Add.
12454 * tree-cfg.c (set_bb_for_stmt): Do not update the
12455 block-to-labels map if we are currently expanding to RTL.
12456 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12458 Handle IDENTIFIER_NODE.
12459 (tree_verify_flow_info): Do not ICE when emitting error
12460 messages about invalid labels.
12461 (dump_function_to_file): Reset CFUN before emitting the body
12463 (debug_function): New.
12464 * passes.c (init_optimization_passes): Schedule
12466 * langhooks-def.h (lhd_omp_predetermined_sharing,
12467 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12469 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12470 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12471 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12472 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12473 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12474 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12475 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12476 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12477 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12478 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12479 (LANG_HOOK_DECLS): Use them.
12481 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12482 Richard Henderson <rth@redhat.com>
12483 Jakub Jelinek <jakub@redhat.com>
12484 Diego Novillo <dnovillo@redhat.com>
12486 * c-parser.c (pragma_omp_clause): Define.
12487 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12488 (c_parser_compound_statement): Likewise.
12489 (c_parser_statement): Likewise.
12490 (c_parser_pragma): Handle omp pragmas.
12491 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12492 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12493 (c_parser_omp_clause_name, check_no_duplicate_clause,
12494 c_parser_omp_variable_list,
12495 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12496 c_parser_omp_clause_copyprivate,
12497 c_parser_omp_clause_default,
12498 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12499 c_parser_omp_clause_lastprivate,
12500 c_parser_omp_clause_nowait,
12501 c_parser_omp_clause_num_threads,
12502 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12503 c_parser_omp_clause_reduction,
12504 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12505 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12506 c_parser_omp_atomic, c_parser_omp_barrier,
12507 c_parser_omp_critical, c_parser_omp_flush,
12508 c_parser_omp_for_loop, c_parser_omp_for,
12509 c_parser_omp_master, c_parser_omp_ordered,
12510 c_parser_omp_sections_scope, c_parser_omp_sections,
12511 c_parser_omp_parallel, c_parser_omp_single,
12512 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12513 * c-pragma.c (init_pragma): Do omp pragma registration here.
12514 * c.opt (fopenmp): New flag.
12516 2006-01-18 Eric Christopher <echristo@apple.com>
12518 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12519 * config/darwin.h (GOMP_SELF_SPECS): Define.
12521 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12523 * rtl.h: Remove the prototype for reg_alloc.
12525 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12528 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12529 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12530 sjlj and dwarf2 exception handling.
12531 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12532 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12533 * pa/pa.c (function_value): Treat complex and vector types as
12535 (function_arg): Likewise. Only pass scalar floats in the floating
12536 point argument registers.
12537 * pa/t-slibgcc-dwarf-ver: New file.
12538 * pa/t-slibgcc-sjlj-ver: New file.
12539 * pa/t-slibgcc-elf-ver: Delete file.
12541 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12543 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12544 unlikely_test_section_p test.
12546 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12548 * mode-switching.c (optimize_mode_switching): Make it static.
12549 * basic-block.h: Remove the prototype for
12550 optimize_mode_switching.
12552 * modulo-sched.c (sms_schedule): Make it static.
12553 * rtl.h: Remove the prototype for sms_schedule.
12555 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12556 * rtl.h: Remove the prototype for gcse_after_reload_main.
12558 * reg-stack.c (reg_to_stack): Make it static.
12559 * rtl.h: Remove the prototype for reg_to_stack.
12561 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12563 * rtl.h: Remove the prototypes for regrename_optimize and
12564 copyprop_hardreg_forward.
12566 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12568 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12569 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12570 Test against the appropriate null constant for the mode.
12571 If 'fixup_overlap' is true, swap the operands if they overlap.
12572 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12573 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12574 alpha_split_tmode_pair and adjust for above change.
12575 * config/alpha/alpha.md (movtf_internal): Adjust call to
12576 alpha_split_tfmode_pair and rely on it to swap the operands.
12577 (movti_internal): New insn and post-reload splitter.
12578 (movti): New expander.
12580 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12582 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12585 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12587 * rtlanal.c (global_reg_mentioned_p_1,
12588 global_reg_mentioned_p): Remove.
12589 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12591 * flow.c (initialize_uninitialized_subregs): Make it static.
12592 * rtl.h: Remove the prototype for
12593 initialize_uninitialized_subregs.
12595 * function.c (instantiate_virtual_regs): Make it static.
12596 * function.h: Remove the prototype for
12597 instantiate_virtual_regs.
12599 * regmove.c (regmove_optimize, combine_stack_adjustments):
12601 * rtl.h: Remove the prototypes for regmove_optimize and
12602 combine_stack_adjustments.
12604 2006-01-17 Roger Sayle <roger@eyesopen.com>
12606 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12607 (size_cost): Encode costs in bytes so that a reg-reg addition is
12608 equivalent to COSTS_N_INSNS(1).
12609 (override_options): Use the size_cost.branch_cost as the default
12610 ix86_branch_cost when optimizing for size.
12612 2006-01-18 Ben Elliston <bje@au.ibm.com>
12614 * Makefile.in (D32PBIT_FUNCS): New.
12615 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12616 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12617 D64PBIT_FUNCS and D128PBIT_FUNCS.
12618 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12619 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12621 (decnumber_dep): Define.
12622 * doc/libgcc.texi (Decimal float library routines): New node.
12623 * config/dfp-bit.h, config/dfp-bit.c: New files.
12625 2006-01-18 Ben Elliston <bje@au.ibm.com>
12627 * expr.c (emit_move_change_mode): Always adjust addresses, not
12628 just during reload. Copy replacements only during reload.
12629 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12630 emit_move_via_integer.
12632 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12634 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12635 instead of $(srcdir) and ${srcdir}.
12637 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12640 PR middle-end/11135
12641 * arm.h (struct machine_function): Add pic_reg.
12642 * arm.c (arm_pic_register): Make unsigned.
12643 (arm_override_options): Only set arm_pic_register if
12644 TARGET_SINGLE_PIC_BASE.
12645 (use_return_insn): Only test for a pic register if it is fixed.
12646 (arm_compute_save_reg0_reg12_mask): Likewise.
12647 (thumb_compute_save_reg_mask): Likewise.
12648 (legitimate_pic_operand): Factor out some known invariants.
12649 (legitimize_pic_address): If we don't have a fixed pic register,
12650 then set up a pseudo in the function entry sequence. Handle the
12651 pic base being in a pseudo.
12652 (arm_load_pic_register): Handle the pic register being in a pseudo.
12653 (arm_expand_prologue): Only set up the pic register if it is fixed.
12654 (thumb_expand_prologue): Likewise.
12655 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12656 (pic_load_addr_based_insn): Likewise.
12657 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12660 2006-01-18 Ben Elliston <bje@au.ibm.com>
12662 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12663 decimal float modes for all floating point registers.
12665 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12666 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12668 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12671 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12672 even when the pointer is not NULL.
12674 2006-01-16 Ian Lance Taylor <ian@airs.com>
12676 * common.opt (ftoplevel-reorder): New option.
12677 * cgraph.c (cgraph_asm_nodes): New global variable.
12678 (cgraph_asm_last_node): New static variable.
12679 (cgraph_order): New global variable.
12680 (cgraph_create_node): Set new order field.
12681 (cgraph_varpool_node): Likewise.
12682 (decide_is_variable_needed): Return true if not
12683 flag_toplevel_reorder.
12684 (cgraph_add_asm_node): New function.
12685 * cgraph.h (struct cgraph_node): Add order field.
12686 (struct cgraph_varpool_node): Add order field.
12687 (struct cgraph_asm_node): Define.
12688 (cgraph_asm_nodes, cgraph_order): Declare.
12689 (cgraph_add_asm_node): Declare.
12690 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12692 (cgraph_varpool_assemble_pending_decls): Call it.
12693 (cgraph_output_pending_asms): New static function.
12694 (cgraph_finalize_compilation_unit): Call it.
12695 (struct cgraph_order_sort): Define.
12696 (cgraph_output_in_order): New static function.
12697 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12698 !flag_toplevel_reorder case.
12699 * c-parser.c: Include "cgraph.h".
12700 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12702 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12703 than -fno-unit-at-a-time.
12704 * doc/invoke.texi (Option Summary): Mention
12705 -fno-toplevel-reorder.
12706 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12707 -funit-at-a-time documentation.
12709 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12710 Kazu Hirata <kazu@codesourcery.com>
12712 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12714 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12716 * Makefile.in (FUNCTION_H): New. Use it instead of
12717 function.h throughout the file.
12718 * function.h: Include tree.h.
12720 2006-01-17 Ben Elliston <bje@au.ibm.com>
12722 * recog.c: Separate some functions with whitespace.
12724 2006-01-16 Richard Henderson <rth@redhat.com>
12726 Merge from gomp branch:
12727 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12728 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12729 and rename from struct inline_data. Rename callee* to dst*;
12730 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12731 transform_new_cfg, transform_return_to_modify, and
12732 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12734 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12735 (copy_decl_for_dup): Remove.
12736 * tree-inline.c (struct inline_data): Move to header.
12737 (insert_decl_map): Export.
12738 (remap_decl): Update for member name changes. Use copy_decl hook.
12739 Allow for replacement to be a non-decl. Remove dead code.
12740 (remap_type_1): Check for existing mapping.
12741 (remap_type): Export.
12742 (remap_decls): Update for member name changes.
12743 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12744 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12745 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12746 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12747 (tree_function_versioning, build_duplicate_type): Likewise.
12748 (copy_body_r): Likewise. Export.
12749 (copy_decl_for_dup): Split into ...
12750 (copy_decl_for_dup_finish, copy_decl_to_var,
12751 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12752 (replace_ref_tree, inlining_p): Remove.
12754 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12756 * ifcvt.c (if_convert): Make it static.
12757 * rtl.h: Remove the prototype for if_convert.
12759 * local-alloc.c (local_alloc): Make it static.
12760 * rtl.h: Remove the prototype for local_alloc.
12762 * loop.c (loop_optimize): Make it static.
12763 * cfgloop.h: Remove the prototype for loop_optimize.
12766 2006-01-16 DJ Delorie <dj@redhat.com>
12768 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12771 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12773 * pa.md: Disparage copies between general and floating-point registers
12774 in 32-bit move patterns.
12776 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12779 * Makefile.in (check-%): Depend on site.exp instead of
12780 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12783 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12785 * global.c (global_alloc): Make it static.
12786 * rtl.h: Remove the prototype for global_alloc.
12788 2006-01-16 Richard Guenther <rguenther@suse.de>
12790 * tree-ssa-alias.c (struct used_part): Add write_only field.
12791 (get_or_create_used_part_for): Initialize it to true.
12792 (create_overlap_variables_for): Don't create structure variables
12793 for structures that only are written to.
12794 (find_used_portions): Handle MODIFY_EXPR to track whether a
12795 structure is only written to.
12797 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12799 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12801 * basic-block.h: Remove the prototype for
12802 partition_hot_cold_basic_blocks.
12804 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12806 * cppspec.c (lang_specific_spec_functions): Remove.
12807 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12808 * gcc.h (lang_specific_spec_functions): Remove.
12809 * gccspec.c (lang_specific_spec_functions): Remove.
12811 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12813 * combine.c (record_value_for_reg): Invalidate registers
12815 (record_dead_and_set_regs_1): Likewise, by passing them to
12816 record_value_for_reg.
12817 (record_dead_and_set_regs): Invalidate stores made by a
12818 call. We do not combine across a call, but we still
12819 relied on equivalences.
12821 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12823 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12824 vrp_int_const_binop returning non-constant nodes.
12826 2006-01-16 Paul Brook <paul@codesourcery.com>
12828 * config/m68k/m68k.c (output_move_const_into_data_reg):
12829 Output correct mnemonic for mvz and mvs.
12831 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12833 * rtl-factoring.c: Add sequence abstraction algorithm.
12834 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12835 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12837 (block_has_preserve_label): New function.
12838 * common.opt: Register new pass.
12839 * Makefile.in: Ditto.
12841 * timevar.def: Ditto.
12842 * tree-pass.h: Ditto.
12843 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12844 * rtl.h (make_jump_insn_raw): Add forward decl.
12845 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12847 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12848 Roger Sayle <roger@eyesopen.com>
12850 * fold-const.c (fold_minmax): New static function.
12851 (fold_binary) <MIN_EXPR>: Call it.
12852 <MAX_EXPR>: Likewise.
12853 * stor-layout.c (place_field): Use DECL_SIZE consistently
12854 in the computation of the new record size.
12856 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12858 * cse.c (cse_condition_code_reg): Make it static.
12859 * rtl.h: Remove the prototype for cse_condition_code_reg.
12861 * combine.c (combine_instructions): Make it static.
12862 * rtl.h: Remove the prototype for combine_instructions.
12864 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12867 * tree.c (get_file_function_name_long): Concatenate the first global
12868 object name with a string derived from the input filename of the object
12871 2006-01-16 Ben Elliston <bje@au.ibm.com>
12873 * config/i386/winnt-stubs.c: Update FSF address.
12874 * config/xtensa/ieee754-df.S: Ditto.
12875 * config/xtensa/ieee754-sf.S: Ditto.
12877 2006-01-14 Ian Lance Taylor <ian@airs.com>
12879 * ifcvt.c (noce_init_if_info): New static function, broken out of
12880 noce_process_if_block.
12881 (noce_process_if_block): Call noce_init_if_info.
12882 (check_cond_move_block): New static function.
12883 (cond_move_process_if_block): New static function.
12884 (process_if_block): Call cond_move_process_if_block.
12886 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12888 * cselib.c (hash_table): Rename to cselib_hash_table.
12889 (cselib_clear_table, discard_useless_values,
12890 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12891 cselib_init, cselib_finish): Adjust uses of hash_table.
12893 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12895 PR tree-optimization/25485
12896 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12897 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12898 is known to be false and true, respectively.
12900 2006-01-14 Richard Guenther <rguenther@suse.de>
12902 PR tree-optimization/22548
12903 PR tree-optimization/22555
12904 PR tree-optimization/22501
12905 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12906 * params.def (salias-max-array-elements): New parameter.
12907 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12908 * doc/invoke.texi (salias-max-array-elements): Document.
12909 * tree-flow-inline.h (var_can_have_subvars): We also handle
12911 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12913 * tree-ssa-structalias.c (params.h): Include.
12914 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12915 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12916 (get_constraint_for): For ADDR_EXPR operating on something
12917 containing an ARRAY_REF, add all subvars to the solution.
12918 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12919 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12920 for creating MUST_DEFs.
12921 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12923 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12925 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12927 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12928 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12929 number_of_iterations_le): New functions.
12930 (number_of_iterations_special): Removed.
12931 (number_of_iterations_exit): Do not use number_of_iterations_special.
12932 * tree.c (unsigned_type_for): Always return integer type.
12934 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12935 Richard Guenther <rguenther@suse.de>
12937 PR rtl-optimization/24257
12938 * gcse.c (find_moveable_store): Only consider a store movable
12939 when the SET_SRC of the insn can be assigned to a register.
12941 2006-01-14 Ian Lance Taylor <ian@airs.com>
12943 * tree.c (tree_not_class_check_failed): New function.
12944 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12945 (tree_not_class_check_failed): Declare.
12947 2006-01-13 Ian Lance Taylor <ian@airs.com>
12949 * reload1.c (do_output_reload): Add assertion rejecting a
12952 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12954 * combine.c (struct reg_stat): Add new fields truncation_label and
12956 (record_value_for_reg): Reset truncated_to_mode.
12957 (record_truncated_value): New function.
12958 (check_promoted_subreg): Call it. Rename to check_conversions.
12959 (combine_instructions): Rename check_promoted_subreg to
12961 (reg_truncated_to_mode): New function.
12962 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12963 (gen_lowpart_or_truncate): New function.
12964 (force_to_mode): Use it instead of gen_lowpart.
12966 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12968 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12969 VAR is a tag, not its type tag.
12971 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12973 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12974 alternatives to match style of other entries.
12975 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12977 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12979 PR tree-optimization/25771
12980 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12983 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12986 * tree-inline.c (declare_return_variable): If the return variable
12987 was marked as a non gimple complex, set the return slot variable
12988 to be a non gimple comple variable.
12990 2006-01-13 Richard Guenther <rguenther@suse.de>
12992 * builtins.c (expand_builtin_sincos): New function.
12993 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12995 (expand_builtin): Expand sincos using expand_builtin_sincos.
12997 2006-01-12 DJ Delorie <dj@redhat.com>
12999 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13000 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13001 so that constant shifts can be split.
13002 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13003 (m32c_valid_pointer_mode): Make static.
13004 (shift_gen_func_for): New.
13005 (m32c_prepare_shift): Use it. Split large const shifts into
13007 * config/m32c/predicates.md (shiftcount_operand): Allow more
13009 (longshiftcount_operand): New.
13010 * doc/md.texi (Machine Constraints): Document In6.
13012 2006-01-13 Ben Elliston <bje@au.ibm.com>
13014 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13015 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13018 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13020 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13021 to try to avoid clobbering pieces of structures when we know
13022 something about the whole structure.
13023 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13025 2006-01-13 Ben Elliston <bje@au.ibm.com>
13027 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13028 return in memory, as this is no limitation is no longer present.
13030 2006-01-12 DJ Delorie <dj@redhat.com>
13032 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13033 mova with fb, and for fb+0 -> An.
13035 * config/m32c/mov.md (peephole2): Fix enabling logic.
13037 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13038 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13039 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13040 FINI_ARRAY_SECTION_ASM_OP): Define.
13042 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13044 (m32c_legitimize_reload_address): New logic to reload FB to An.
13045 (m32c_output_reg_push): Add newline.
13046 (m32c_output_reg_pop): Likewise.
13048 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13050 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13052 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13054 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13056 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13058 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13061 2006-01-11 Ben Elliston <bje@au.ibm.com>
13063 * rtlanal.c (find_reg_note): Assert insn is not null.
13065 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13067 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13070 2006-01-11 Jeff Law <law@redhat.com>
13072 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13074 (mark_threaded_blocks, register_jump_thread): New functions.
13075 (thread_through_all_blocks): Remove unwanted argument. No
13076 longer rely on e->aux to communicate thread target info.
13077 Call mark_threaded_blocks. Release the threaded_blocks
13078 bitmap and threaded_edges vector when complete.
13079 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13080 (threaded_blocks): Remove.
13081 (tree_ssa_dominator_optimize): Remove initialization and
13082 finalization of threaded_blocks. Simplify call to
13083 thread_through_all_blocks.
13084 (thread_across_edge): Call register_jump_thread rather than
13085 storing thread information into e->aux.
13086 (free_all_edge_infos): Simplify now that e->aux is no longer
13087 used to communicate with thread_through_all_blocks.
13088 * tree-flow.h (thread_through_all_blocks): Update prototype.
13089 (register_jump_thread): Prototype.
13091 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13093 * df-core.c (df_compact_blocks, df_bb_replace): Use
13094 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13096 2006-01-11 Richard Guenther <rguenther@suse.de>
13098 PR tree-optimization/25734
13099 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13100 stop propagation after successful propagation to the LHS.
13102 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13104 * basic-block.h (control_flow_graph): Change the type of
13105 x_basic_block_info to VEC(basic_block,gc) *.
13106 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13108 (SET_BASIC_BLOCK): New.
13109 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13110 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13111 * cfgbuild.c (find_basic_blocks): Likewise.
13112 * cfglayout.c (fixup_reorder_chain): Likewise.
13113 * cfgrtl.c (create_basic_block_structure,
13114 rtl_create_basic_block): Likewise.
13115 * ifcvt.c (find_if_case_1): Likewise.
13116 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13119 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13121 * Makefile.in: Removed rotted odf.c entry.
13123 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13126 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13127 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13128 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13129 output pattern modifier, not %e.
13130 * config/cris/cris.c (cris_op_str): Update comment about pattern
13132 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13133 before falling through into...
13134 <case 'E'>: Redefined from old 'e' case.
13136 2006-01-11 Jan Hubicka <jh@suse.cz>
13139 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13141 2006-01-11 Jan Hubicka <jh@suse.cz>
13143 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13144 * i386.c (x86_decompose_lea): Kill.
13145 (ix86_rtx_costs): Kill.
13147 2006-01-11 Jan Hubicka <jh@suse.cz>
13149 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13150 * cgraph.h (cgraph_node): Add inline_decl.
13151 (cgraph_insert_node_to_hashtable): Declare.
13152 (save_inline_function_body): Declare.
13153 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13155 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13156 (cgraph_function_versioning): Update call of tree_function_versioning.
13157 (save_inline_function_body): New function.
13158 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13159 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13160 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13161 (cgraph_default_inline_p): Likewise.
13162 (cgraph_decide_inlining_incrementally): Likewise.
13163 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13164 (copy_bb): Kill saving; do updating of clones.
13165 (copy_cfg_body): Kill saving.
13166 (initialize_inlined-parameters): Likewise.
13167 (expand_call_inline): Likewise.
13169 (tree_function_versioning): New parameter "update_clones".
13170 (inlining_p): Kill saving.
13171 * tree-inline.h (tree_function_versioning): Update prototype.
13172 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13175 2006-01-11 Ian Lance Taylor <ian@airs.com>
13177 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13178 Allow undoing set of machine mode.
13179 (do_SUBST): Use enums instead of is_int.
13180 (do_SUBST_MODE): New function.
13181 (SUBST_MODE): New macro.
13182 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13183 reg and trying to replace reg_regno_rtx with a new register.
13184 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13185 (simplify_set): Use SUBST_MODE.
13186 (distribute_notes): Remove code that tried to update reg notes
13187 for regno_reg_rtx changes.
13189 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13191 PR tree-optimization/23109
13192 PR tree-optimization/23948
13193 PR tree-optimization/24123
13195 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13196 * tree-cfg.c (single_noncomplex_succ): New.
13197 * tree-flow.h (single_noncomplex_succ): Declare it.
13198 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13199 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13200 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13201 insert_bb, register_division_in, insert_reciprocals,
13202 replace_reciprocal, free_bb): New.
13203 (execute_cse_reciprocals_1): Rewritten.
13204 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13205 Do not commit any edge insertion. Always compute dominators and
13206 create the allocation pool.
13207 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13208 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13209 * targhooks.c (default_min_divistions_for_recip_mul): New.
13210 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13211 * passes.c (init_optimization_passes): Run recip after tree loop
13213 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13215 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13216 Kenneth Zadeck <zadeck@naturalbridge.com>
13218 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13219 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13220 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13221 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13222 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13223 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13224 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13225 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13226 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13227 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13228 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13229 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13230 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13231 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13232 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13233 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13234 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13235 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13236 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13237 DF_SCAN_POST_ALLOC): New macros.
13238 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13239 df_free_bb_function, df_local_compute_function, df_init_function,
13240 df_dataflow_function, df_confluence_function_0,
13241 df_confluence_function_n, df_transfer_function,
13242 df_finalizer_function, df_free_function, df_dump_problem_function,
13243 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13244 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13245 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13246 df_urec_bb_info, ) New types.
13247 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13249 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13250 df_analyze_simple_change_some_blocks,
13251 df_analyze_simple_change_one_block, df_compact_blocks,
13252 df_bb_replace, df_bb_regno_last_use_find,
13253 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13254 df_insn_regno_def_p, df_find_def, df_find_use,
13255 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13256 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13257 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13258 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13259 debug_df_chain, df_get_dependent_problem, df_chain_create,
13260 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13261 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13262 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13263 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13264 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13265 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13266 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13267 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13268 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13269 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13270 df_reorganize_refs, df_set_state, df_hard_reg_init,
13271 df_read_modify_subreg_p) New public functions.
13272 * df-core.c: The core dataflow solver and glue routines for rtl
13274 (df_init, df_add_problem, df_set_blocks, df_finish,
13275 df_hybrid_search_forward, df_hybrid_search_backward,
13276 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13277 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13278 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13279 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13280 df_reg_defined, df_find_use, df_reg_used, df_dump,
13281 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13282 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13283 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13284 debug_df_useno, reset_df_after_reload): New functions.
13285 * df-scan.c: The scanning fuctions, once in df.c, completely
13286 rewritten so that they now fully model the functionality of
13287 register usage at the backend.
13288 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13289 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13290 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13291 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13292 df_get_artificial_defs, df_get_artificial_uses,
13293 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13294 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13295 df_refs_delete, df_reorganize_refs, df_set_state,
13296 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13297 df_def_record_1, df_defs_record, df_uses_record,
13298 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13299 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13300 df_record_exit_block_uses, df_hard_reg_init): New functions.
13302 * df-problems.c: Seven concrete dataflow problems that use the
13303 scanning in df-scan.c and are solved by the engine in df-core.c.
13304 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13305 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13306 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13307 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13308 df_ru_free_bb_info, df_ru_alloc,
13309 df_ru_bb_local_compute_process_def,
13310 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13311 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13312 df_ru_transfer_function, df_ru_free, df_ru_dump,
13313 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13314 df_rd_free_bb_info, df_rd_alloc,
13315 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13316 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13317 df_rd_transfer_function, df_rd_free, df_rd_dump,
13318 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13319 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13320 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13321 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13322 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13323 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13324 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13325 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13326 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13327 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13328 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13329 df_urec_mark_reg_use_for_earlyclobber,
13330 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13331 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13332 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13333 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13334 df_chain_create_bb_process_use, df_chain_create_bb,
13335 df_chain_finalize, df_chain_free, df_chains_dump,
13336 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13337 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13338 df_reg_lifetime): New functions.
13339 * df.c: Deleted file.
13340 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13341 consistent with new df api.
13342 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13343 rest_of_handle_sms): Ditto.
13344 * web.c (unionfind_union, union_defs, entry_register, web_main):
13346 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13347 invariant_expr_equal_p, find_defs, check_dependencies,
13348 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13349 free_inv_motion_data, move_loop_invariants): Ditto.
13350 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13351 Update dependencies.
13352 (odf.c): Added defective entry that was deleted later in day.
13353 * sched-deps.c (sched_analyze_1): Ditto.
13355 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13357 * tree-ssa-operands.c (get_expr_operands): Record addressable
13358 variables directly. Do not call add_stmt_operands for CONST_DECLs
13360 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13361 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13363 2006-01-11 Ben Elliston <bje@au.ibm.com>
13365 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13366 function returns true in the positive case.
13368 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13371 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13372 for SI, DI, SF and DF modes. Add alternatives to copy between
13373 general and floating point registers to the 32-bit patterns.
13374 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13375 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13376 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13377 generating 64-bit code.
13378 * config/pa/pa.c (output_move_double): Handle copies between general
13379 and floating registers.
13381 2006-01-10 Stuart Hastings <stuart@apple.com>
13383 * config/i386/i386.md (set_got): Update.
13384 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13385 (builtin_setjmp_receiver): Mach-O support.
13386 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13387 (GOT_SYMBOL_NAME): Define.
13388 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13389 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13390 * config/i386/i386.c (override_options): Revise for Darwin.
13391 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13392 support. (darwin_x86_file_end): New. (output_set_got): Add label
13393 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13394 * config/i386/i386-protos.h (output_set_got): Likewise.
13395 * config/darwin.c (machopic_legitimize_pic_address): Update
13398 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13400 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13401 when MODE isn't BLKmode.
13403 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13405 PR rtl-optimization/25367
13406 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13408 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13411 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13412 for a negative bound.
13414 2006-01-10 Richard Guenther <rguenther@suse.de>
13416 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13417 Never override with anything constraint.
13419 2006-01-10 Jan Beulich <jbeulich@novell.com>
13421 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13422 256 bits when optimize_size.
13424 2006-01-10 Jan Beulich <jbeulich@novell.com>
13426 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13428 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13429 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13432 2006-01-10 Ben Elliston <bje@au.ibm.com>
13434 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13436 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13437 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13438 (USE_FP_FOR_ARG): Reject decimal float modes.
13439 (function_arg_advance): Likewise.
13440 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13441 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13442 point types in AltiVec vectors.
13443 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13444 (rs6000_libcall_value): Likewise.
13446 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13448 * config/xtensa/ieee754-df.S: New file.
13449 * config/xtensa/ieee754-sf.S: New file.
13450 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13451 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13452 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13454 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13456 * config/sh/predicates.md (binary_float_operator,
13457 binary_logical_operator, commutative_float_operator,
13458 equality_comparison_operator, greater_comparison_operator,
13459 less_comparison_operator, logical_operator,
13460 noncommutative_float_operator, shift_operator,
13461 symbol_ref_operand, unary_float_operator): Remove redundant
13464 2006-01-09 Jeff Law <law@redhat.com>
13466 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13467 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13468 now unused arguments. Callers updated.
13469 (eliminate_redundant_computations): Remove now unused arguments,
13471 (local_fold): Remove, no longer used.
13472 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13474 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13475 (simplify_cond): New function.
13476 (forward_propagate_into_cond): Call simplify_cond.
13478 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13480 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13481 (*vec_extractv2di_1_sse): New.
13483 2006-01-09 Ben Elliston <bje@au.ibm.com>
13485 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13487 2006-01-08 Richard Guenther <rguenther@suse.de>
13489 * tree-ssa-structalias.c (get_constraint_for): Remove
13490 anyoffset argument.
13491 (get_constraint_for_component_ref): Likewise.
13492 (do_deref): Likewise.
13493 (get_constraint_for): Likewise.
13494 (do_structure_copy): Likewise.
13495 (handle_ptr_arith): Likewise.
13496 (find_func_aliases): Likewise. Remove unused need_anyoffset
13499 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13500 Kaz Kojima <kkojima@gcc.gnu.org>
13502 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13503 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13504 (EXTRA_CONSTRAINT_C16): Remove.
13505 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13506 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13507 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13508 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13509 constants of SHmedia. Handle nested constant expressions of
13511 (andcosts): Fix the costs for SHmedia constants.
13512 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13513 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13514 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13515 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13516 (movv4hi_i, movv2si_i): Likewise.
13517 (movsi_const): Adjust the second operand of ior so to match with
13518 the Csu constraint.
13519 (movdi_const, movdi_const_32bit): Likewise.
13520 (movdi_const_16bit+1): Don't sign-extend LOW.
13521 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13523 (*double_shori): Fix the split condition. Use GEN_INT instead
13524 of get_int_mode calls. Mask lower 16-bit of the argument of
13526 (sym2GOTPLT): Remove.
13527 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13529 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13530 instead of EXTRA_CONSTRAINT_C16.
13532 2006-01-07 Ian Lance Taylor <ian@airs.com>
13533 David Edelsohn <edelsohn@gnu.org>
13535 PR rtl-optimization/25662
13536 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13537 for constant operands instead of simplify_gen_binary.
13538 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13539 after trying simplify_binary_operation
13541 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13543 * tree.c (iterative_hash_expr): Hash decls based on UID.
13545 2006-01-06 Eric Christopher <echristo@apple.com>
13547 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13548 (TARGET_UNWIND_EMIT): Fix spelling.
13549 * target.h (gcc_target): Add except_table_label.
13550 * except.c (output_function_exception_table): Use.
13551 * varasm.c (default_emit_except_table_label): New.
13552 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13554 (asm_out): Add here.
13555 * output.h (default_emit_except_table_label): Prototype.
13556 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13557 * config/darwin.c (darwin_emit_except_table_label): Define.
13558 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13560 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13562 PR tree-optimization/18527
13563 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13564 number_of_iterations_special, number_of_iterations_exit):
13565 Move base and step of an iv to a single structure. Add
13566 no_overflow flag, and use it in # of iterations analysis.
13567 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13568 folded_casts argument.
13569 (simple_iv): Pass base and step in a structure. Set no_overflow
13571 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13572 Evaluate expensiveness of computing # of iterations instead of
13573 the final expression.
13574 * tree-scalar-evolution.h (affine_iv): New structure.
13575 (simple_iv): Declaration changed.
13576 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13577 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13578 find_givs_in_stmt): Changed due to simple_iv change.
13580 2006-01-06 Jeff Law <law@redhat.com>
13583 * tree-cfg.c (bsi_replace): Rename final argument from
13584 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13585 change (stmt -> orig_stmt).
13586 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13587 (bsi_remove): Add new argument. Remove EH information
13589 (verify_eh_throw_table_statements): New function.
13590 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13592 * tree-optimize.c (execute_free_cfg_annotations): Verify
13593 the EH throw statement table after removing annotations.
13594 * except.h (verify_eh_throw_table_statements): Prototype.
13595 * tree-flow.h (bsi_remove): Update prototype.
13596 * tree-vrp.c (remove_range_assertions): Add new argument to
13598 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13599 * tree-complex.c (expand_complex_div_wide): Likewise.
13600 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13601 * tree-tailcall.c (eliminate_tailcall): Likewise.
13602 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13603 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13604 * tree-nrv.c (tree_nrv): Likewise.
13605 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13606 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13607 (combine_blocks): Likewise.
13608 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13609 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13610 (cleanup_control_flow): Likewise.
13611 (remove_forwarder_block): Likewise.
13612 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13613 * tree-sra.c (sra_replace): Likewise.
13614 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13615 (forward_propagate_single_use_vars): Likewise.
13616 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13617 * tree-inline.c (expand_call_inline): Likewise.
13618 * tree-vect-transform.c (vect_transform_loop): Likewise.
13619 * tree-outof-ssa.c (rewrite_trees): Likewise.
13620 * tree-cfg.c (make_goto_expr_edges): Likewise.
13621 (cleanup_dead_labels): Likewise.
13622 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13623 (bsi_move_before, bsi_move_after): Likewise.
13624 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13625 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13627 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13630 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13632 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13633 on non gimple variables. Also add checks at the top for decls and
13635 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13637 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13638 and IMAGPART_EXPR for creating MUST_DEFs.
13639 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13640 and NAME_MEMORY_TAG separately from the DECLs.
13642 2006-01-06 Richard Guenther <rguenther@suse.de>
13644 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13645 annotation, if necessary.
13646 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13647 redundant calls to update_stmt.
13648 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13651 2006-01-05 Richard Henderson <rth@redhat.com>
13653 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13655 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13657 * c-typeck.c: Update copyright date.
13659 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13661 * c-typeck.c (build_c_cast): Always warn when casting
13662 from a pointer to an integer of different size, even if
13663 the node was constant.
13665 2006-01-05 Richard Guenther <rguenther@suse.de>
13667 PR tree-optimization/22555
13668 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13669 if one structure field is an array.
13670 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13671 operands even if we found a subvar, but ignore VOPs in this
13673 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13675 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13677 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13679 PR middle-end/24998
13680 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13682 2006-01-05 Richard Guenther <rguenther@suse.de>
13683 Diego Novillo <dnovillo@redhat.com>
13685 * tree-pass.h (TODO_remove_unused_locals): Define.
13686 * gimple-low.c (expand_var_p, remove_useless_vars,
13687 pass_remove_useless_vars): Remove. Update all users.
13688 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13689 (remove_unused_locals): New function.
13690 * tree-flow.h (remove_unused_locals): Declare.
13691 * passes.c (execute_todo): Call remove_unused_locals if
13692 TODO_remove_unused_locals is set.
13693 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13694 * tree-ssa-dce.c (pass_dce): Likewise.
13695 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13697 2006-01-05 Richard Guenther <rguenther@suse.de>
13699 * tree-flow.h (struct fieldoff): Decompose field to
13700 type, size and decl.
13701 * tree-ssa-alias.c (create_sft): Take type as parameter.
13702 (create_overlap_variables_for): Store type, size and decl
13703 in the fieldoff structure.
13704 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13705 of struct fieldoff.
13706 (push_fields_onto_fieldstack): Likewise.
13707 (create_variable_info_for): Likewise. Use offset for the
13708 SFT name if the decl is not available.
13710 2006-01-04 Paul Brook <paul@codesourcery.com>
13712 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13714 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13716 * lambda-code.c (can_put_in_inner_loop): Relax
13718 (can_put_after_inner_loop): New function.
13719 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13720 (perfect_nestify): Change to make copies and modify uses.
13722 2006-01-04 Richard Henderson <rth@redhat.com>
13724 Merge from gomp branch:
13725 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13726 via integer constant.
13727 (pragma_lex): Remove.
13728 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13729 rather than parsing it.
13730 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13731 handle_pragma_extern_prefix): Add %< %> quotes.
13732 (registered_pragmas): New.
13733 (c_register_pragma_1): New.
13734 (c_register_pragma): Use it.
13735 (c_register_pragma_with_expansion): Likewise.
13736 (c_invoke_pragma_handler): New.
13737 (init_pragma): Use cpp_register_deferred_pragma directly for
13739 * c-pragma.h (enum pragma_kind): New.
13740 (pragma_handler): New.
13741 (c_invoke_pragma_handler): Declare.
13742 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13744 * c-common.h (c_common_pch_pragma): Update decl.
13745 * Makefile.in (c-parser.o): Update dependencies.
13746 (GTFILES): Add c-pragma.h.
13747 * c-parser.c (struct c_token): Add pragma_kind.
13748 (struct c_parser): Add in_pragma.
13749 (c_lex_one_token): Always initialize keyword and pragma_kind.
13750 Extract data for CPP_PRAGMA.
13751 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13752 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13753 Don't allow CPP_PRAGMA_EOL if in_pragma.
13754 (c_parser_consume_pragma): New.
13755 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13756 (c_parser_skip_to_end_of_parameter): Likewise.
13757 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13758 (c_parser_skip_to_pragma_eol): New.
13759 (c_parser_external_declaration): Handle CPP_PRAGMA.
13760 (c_parser_compound_statement_nostart): Likewise.
13761 (c_parser_statement_after_labels): Likewise.
13762 (c_parser_pragma): New.
13763 (pragma_lex): Likewise.
13764 (c_parser_pragma_pch_preprocess): New.
13765 (c_parser_new): Merge into ...
13766 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13768 2006-01-04 Jeff Law <law@redhat.com>
13771 * tree-cfg.c (bsi_replace): Remove the original statement
13772 from the EH throw statement table.
13774 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13776 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13777 make the prototype extern "C" and add throw ().
13780 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13781 and pos non-negative and pos + len <= 32.
13782 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13783 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13784 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13787 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13788 as well as sizes not multiple of component size.
13791 * function.c (instantiate_expr): New function.
13792 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13793 walk its DECL_VALUE_EXPR with instantiate_expr.
13795 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13796 DW_OP_deref{,_size} if address isn't going to be added.
13798 2006-01-04 Ben Elliston <bje@au.ibm.com>
13800 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13801 * config/fp-bit.c: Likewise.
13803 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13805 * dominance.c: Add comment about why we use DFS numbering
13808 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13809 Richard Henderson <rth@redhat.com>
13811 Merge from gomp-branch:
13812 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13813 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13815 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13817 PR rtl-optimization/25578
13818 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13819 pass a parameter to simplify_shift_const if changing ASHIFTRT
13822 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13824 * builtins.c (get_builtin_sync_mem): New function.
13825 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13826 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13827 Call get_builtin_sync_mem to generate mem rtx.
13829 2006-01-03 Richard Guenther <rguenther@suse.de>
13832 * stmt.c (add_case_node): Make sure to clear overflow flags
13835 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13837 Merge from gomp-branch.
13838 * config/sparc/sync.md: New file.
13839 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13840 UNSPECV_LDSTUB): New constants.
13841 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13842 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13843 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13846 2006-01-03 Roger Sayle <roger@eyesopen.com>
13848 * combine.c (reg_subword_p): New predicate to test whether the
13849 destination of a set refers to a subword/piece of a register.
13850 (try_combine): Generalize the code to merge the setting of a
13851 pseudo to a constant followed by a set of a subword of that
13852 register to a constant.
13854 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13856 * basic-block.h (control_flow_graph): Change the type of
13857 x_label_to_block_map to VEC(basic_block,gc) *.
13858 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13859 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13861 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13862 VEC(basic_block,heap) *.
13863 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13864 ssa_prop_fini): Adjust the uses of cfg_blocks.
13866 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13868 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13870 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13871 hashing trees instead of a pointer hash.
13872 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13873 compare for MEM_EXPR.
13875 PR rtl-optimization/25130
13876 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13877 when comparing MEMs for GCSE
13879 2006-01-03 Ben Elliston <bje@au.ibm.com>
13881 * targhooks.h (default_decimal_float_supported_p): Declare.
13882 * targhooks.c (default_decimal_float_supported_p): Define.
13883 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13884 `default_decimal_float_supported_p'.
13885 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13887 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13889 * combine.c (apply_distributive_law <SUBREG>): Check
13890 TRULY_NOOP_TRUNCATION.
13892 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13894 * dwarf2out.c (have_switched_text_section): Delete.
13895 (have_multiple_function_sections): New.
13896 (have_location_lists): Make 'bool'.
13897 (add_AT_loc_list): Use 'true' not '1'.
13898 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13899 (output_loc_list): Use have_multiple_function_sections.
13900 (output_ranges): Likewise.
13901 (dwarf2out_begin_function): Set have_multiple_function_sections if
13903 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13904 Check function_section rather than DECL_SECTION_NAME.
13905 (dwarf2out_finish): Use have_multiple_function_sections.
13906 Don't clear have_location_lists.
13908 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13909 Jan Hubicka <jh@suse.cz>
13911 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13912 case of conditional jump jumping to the next instruction.
13913 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13914 cases of conditional jump jumping to the next instruction.
13916 2006-01-02 Jan Hubicka <jh@suse.cz>
13918 * i386.c (*_cost): Add COSTS_N_INSNS.
13919 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13921 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13924 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13926 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13928 * config/arm/arm.c (all_fpus): Fix comment typo.
13929 * config/darwin.c: Likewise.
13930 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13931 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13932 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13934 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13936 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13937 (rs6000_split_compare_and_swapqhi): New.
13938 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13939 (sync_compare_and_swapqhi_internal): New.
13940 * config/rs6000/rs6000-protos.h: Declare.