1 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3 PR rtl-optimization/28489
4 * sched-ebb.c (begin_schedule_ready): Create basic block
6 (advance_target_bb): Skip empty blocks.
7 * haifa-sched.c (bb_note): Make global.
8 * sched-int.h (bb_note): Add prototype.
10 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
12 PR tree-optimization/27865
13 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
15 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
16 fold_used_pointer, pointer_used_p): New functions.
17 (analyze_scalar_evolution_1): Use fold_used_pointer.
18 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
19 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
22 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
25 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
26 or the INTEGER_CST. Fail on a CALL_EXPR.
27 (fold_offsetof): Pass new argument to fold_offsetof_1.
28 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
29 operand into an INDIRECT_REF.
30 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
32 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
35 * value-prof.c (static_values): Removed.
36 (tree_find_values_to_profile): Do not set static_values.
37 (find_values_to_profile): Do not free static_values.
38 * profile.c (instrument_values): Do not free the values.
39 (branch_prob): Free the values.
41 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
43 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
45 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
48 * c-typeck.c (build_component_ref): Combine qualifiers of
49 structure or union and field.
51 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
53 PR rtl-optimization/28071
54 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
55 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
56 * tree-into-ssa.c (struct dom_dfsnum): New.
57 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
59 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
60 compute_global_livein.
61 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
62 in phi nodes in the correct blocks.
64 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
66 PR tree-optimization/28364
67 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
69 (fold_affine_expr): New function.
70 (may_eliminate_iv): Use fold_affine_expr.
72 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
75 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
78 2006-08-16 Mike Stump <mrs@apple.com>
80 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
81 * doc/cppopts.texi (-MD): Likewise.
83 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
86 * c-common.c (handle_weak_attribute): Ignore and warn if
87 not a FUNCTION_ or VAR_DECL.
89 2006-07-15 Mike Stump <mrs@apple.com>
92 * c-parser.c (c_parser_typeof_specifier): Don't use
93 c_finish_expr_stmt, open code desired semantics instead.
95 2006-08-15 Nick Clifton <nickc@redhat.com>
97 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
98 fragment to tmake_file only if threads are enabled.
99 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
100 * config/i386/t-gthr-win32: New file. ... here.
102 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
105 * c-parser.c (c_parser_compound_statement_nostart): Reset
106 parser->error after each statement.
108 2006-08-15 Jakub Jelinek <jakub@redhat.com>
111 * omp-low.c (lower_omp_parallel): Convert t to
112 receiver_decl's type.
113 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
114 source before comparison.
117 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
118 to itype in assignment to oldival2.
120 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
124 * c-typeck.c (build_compound_expr): If the second expression
125 is an error mark, then just return an error mark instead of
126 creating a COMPOUND_EXPR.
128 2006-07-14 Mike Stump <mrs@apple.com>
130 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
132 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
134 * c-decl.c, var-tracking.c: Fix comment typos.
136 2006-08-14 Richard Sandiford <richard@codesourcery.com>
138 PR rtl-optimization/28634
139 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
140 for floating-point modes unless flag_unsafe_math_optimizations.
142 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
143 Andrew Pinski <pinskia@physics.uc.edu>
146 * tree.c (build_array_type): Unify array types with
147 unspecified index_type.
148 * c-decl.c (grokdeclarator): Make sure we do not modify a
149 unified incomplete array type.
150 * c-typeck.c (store_init_value): Create distinct type before
151 filling in the index type in an initializer from a compound
154 * c-decl.c (grokdeclarator): Remove code where we copy the
157 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
159 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
160 into account for TODO_dump_cgraph.
161 (TODO_update_ssa_no_phi): Likewise.
162 (TODO_update_ssa_full_phi): Likewise.
163 (TODO_update_ssa_only_virtuals): Likewise.
164 (TODO_remove_unused_locals): Likewise.
165 (TODO_set_props): Likewise.
166 (TODO_update_stmt_usage): Likewise.
168 2006-08-13 Dirk Mueller <dmueller@suse.de>
170 * c-common.c (strict_aliasing_warning): Fix formatting.
172 2006-08-13 Matthias Klose <doko@debian.org>
174 * doc/invoke.texi: Fix spelling errors.
176 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
178 PR rtl-optimization/23454
179 * reorg.c (relax_delay_slots): Update comment.
181 2006-08-11 Richard Guenther <rguenther@suse.de>
184 * simplify-rtx.c (simplify_const_relational_operation):
185 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
188 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
190 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
191 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
193 2006-08-10 Paul Brook <paul@codesourcery.com>
195 * final.c (final_scan_insn): Clear current_insn_predicate before
196 outputting inline asm.
198 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
200 PR tree-optimization/26197
201 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
202 get_ref_base_and_extent and overlap_subvar to add only relevant
203 subvars as may-aliases.
204 (add_may_alias_for_new_tag): New function, factored out of
206 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
207 with additional argument.
208 * tree-flow.h (new_type_alias): Takes additional argument.
210 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
212 * gcov.c (no_data_file): New flag.
213 (read_count_file): Set it if data file not present. Assume counts
215 (output_lines): Don't name the data file, if there wasn't one.
217 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
219 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
220 (rs6000_generate_compare): Tweak comments.
221 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
223 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
225 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
226 (var_debug_decl): New function.
227 (var_reg_set): Follow debug decl link. Add location even if
228 reg is already known to hold some other variable.
229 (var_mem_set): Follow debug decl link.
230 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
231 decl link. Delete other known locations of the variable part
233 (var_reg_delete, var_mem_delete): Delete other known locations
234 of the variable part if requested.
235 (same_variable_part_p): New function.
236 (add_stores): Select MO_COPY when appropriate.
237 (vt_initialize): Handle it.
238 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
239 known locations for MO_SET and MO_CLOBBER.
240 (find_variable_location_part): New function.
241 (set_variable_part, delete_variable_part): Use it.
242 (clobber_variable_part): New function.
243 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
246 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
248 PR tree-optimization/26969
249 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
250 with an empty list of PHIs.
252 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
256 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
259 2006-08-06 Andreas Schwab <schwab@suse.de>
261 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
262 string. Whitespace and comment fixup.
264 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
267 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
271 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
274 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
276 2006-08-04 Jan Hubicka <jh@suse.cz>
280 * reload.c (push_reload): Patch out the mismatching instruction;
282 (find_reload): Bail out if the instruction was patched out.
284 2006-08-04 Jan Hubicka <jh@suse.cz>
286 PR tree-optimization/24888
287 * tree-inline.c (expand_call_inline): Do not re-record variables.
288 (declare_inline_vars): Add variable to unexpanded_var_list.
290 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
291 Roger Sayle <roger@eyesopen.com>
293 PR rtl-optimization/26244
294 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
295 inner_const are negative or greater than or equal to the bitsize of
296 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
297 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
298 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
299 CONST0_RTX (mode) when the new shift count is greater than or equal to
300 to the bitsize of the object being shifted and XEXP (y, 0) has no side
303 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
305 * tree-cfg.c: Fix a comment typo.
307 2006-08-03 Mark Mitchell <mark@codesourcery.com>
310 * varasm.c (output_constant): Give the front end another chance to
311 expand constants, after stripping NOPs.
313 2006-08-03 Jan Hubicka <jh@suse.cz>
315 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
318 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
320 PR tree-optimization/27770
321 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
322 declaration removed (moved to tree-flow.h).
323 (vect_can_force_dr_alignment_p): Likewise.
324 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
325 (moved from tree-vectorizer.h).
326 (vect_can_force_dr_alignment_p): Likewise.
327 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
328 from outside the vectorizer - in particular from cgraph stage.
329 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
330 the alignment of global arrays when -fsection-anchors is enabled.
331 * cgraphunit.c (cgraph_increase_alignment): New function.
332 (cgraph_optimize): Call cgraph_increase_alignment.
334 2006-08-03 David Edelsohn <edelsohn@gnu.org>
337 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
338 not reload a SPE symbol_ref into a lo_sum address.
340 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
343 * dwarf2out.c (prune_unused_types_prune): Move call to
344 prune_unused_types_update_strings to cover the parent DIE also.
346 2006-08-02 Jan Hubicka <jh@suse.cz>
348 PR gcov/profile/28480
349 * tree-cfg.c (change_bb_for_stmt): New function.
350 (tree_merge_blocks, tree_split_blocks): Use it.
352 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
358 * toplev.c (compile_file): Return early on errorcount or sorrycount.
359 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
360 (cgraph_optimize): Likewise.
362 2006-08-01 Stuart Hastings <stuart@apple.com>
364 * rtl.h (UINTVAL) New.
365 * config/rs6000/rs6000.c (SMALL_INT) Use it.
366 * testsuite/gcc.dg/20060801-1.c: New.
368 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
371 * c-typeck.c (build_external_type): Mark used enum types.
372 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
374 (gen_subprogram_die): Whitespace fix.
376 2006-08-01 Jan Hubicka <jh@suse.cz>
378 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
379 bitmap when not needed.
380 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
383 2006-08-01 Dirk Mueller <dmueller@suse.de>
385 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
387 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
389 * Makefile.in: Revert part of previous patch:
390 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
393 2006-07-30 Eric Christopher <echristo@apple.com>
396 * doc/extend.texi (i386 Variable Attributes): Add anchor.
397 (PowerPC Variable Attributes): New section.
399 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
401 PR target/28126 (partial fix)
402 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
404 2006-07-28 Jan Hubicka <jh@suse.cz>
406 PR rtl-optimization/28071
407 * cfgrtl.c (rtl_delete_block): Free regsets.
408 * flow.c (allocate_bb_life_data): Re-use regsets if available.
410 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
412 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
413 and variables used in dependencies.
415 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
417 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
418 %fs for -mcmodel=kernel.
419 (stack_tls_protect_test_di): Likewise.
421 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
423 * Makefile.in: Use mkinstalldirs.
425 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
428 * opts-common.c (prune_options): Skip joined switches.
430 2006-07-27 Jan Hubicka <jh@suse.cz>
432 PR rtl-optimization/28071
433 * cselib.c (cselib_process_insn): Don't remove useless values too
434 often for very large hashtables.
436 2006-07-27 Jan Hubicka <jh@suse.cz>
438 PR rtl-optimization/28071
439 * global.c (greg_obstack): New obstack.
440 (allocate_bb_info): Use it.
441 (free_bb_info): Likewise.
442 (modify_reg_pav): Likewise.
444 2006-07-27 Roger Sayle <roger@eyesopen.com>
446 * builtins.c (fold_fixed_mathfn): When long and long long are the
447 same size, canonicalize llceil*, llfloor*, llround* and llrint*
448 functions to their lceil*, lfloor*, lround* and lrint* forms.
450 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
453 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
455 (rev_branch_insn): Likewise.
457 2006-07-27 Jan Hubicka <jh@suse.cz>
459 PR rtl-optimization/28071
460 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
461 (reg_set_in_bb, max_reg_computed): New static variables.
462 (regmove_optimize): Free the new array.
463 (fixup_match_1): Update call of reg_is_remote_constant_p.
465 2006-07-26 Jan Hubicka <jh@suse.cz>
467 PR tree-optimization/27882
468 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
470 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
472 (cgraph_analyze_compilation_unit): Likewise.
473 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
474 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
475 (cgraph_early_inlinine): Make order garbage collected.
476 * Makefile.in (gt-ipa-inline): New garbagecollected file.
478 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
480 * dbxout.c (output_types_sort): Add a comment.
481 (output_used_types): Free the VEC.
483 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
485 * function.c (reorder_fix_fragments): Delete.
486 (reorder_blocks): Don't call it.
487 (reorder_blocks_1): Put all subblocks under the origin block.
489 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
491 PR rtl-optimization/27907
492 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
495 2006-07-25 Roger Sayle <roger@eyesopen.com>
498 * convert.c (convert_to_integer): When transforming (T)foo(x) into
499 bar(x) check that bar's result type can represent all the values of T.
501 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
503 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
505 2006-07-25 Nick Clifton <nickc@redhat.com>
507 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
509 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
510 (ggc_pch_count_object): Likewise.
511 (ggc_pch_alloc_object): Likewise.
512 (ggc_pch_write_object): Likewise.
513 (init_ggc): Do not attempt to initialize entries in the
514 size_lookup[] array for objects whose size is greater than than
515 the length of the array.
517 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
519 * dbxout.c (output_used_types_helper): Push queued types
521 (output_types_sort): New.
522 (output_used_types): Collect used types on a VEC and sort them
525 2006-07-24 Richard Guenther <rguenther@suse.de>
528 * cgraph.c (cgraph_remove_node): Do not check if dumps
530 * cgraphunit.c (cgraph_optimize): Likewise.
532 2006-07-24 Jan Hubicka <jh@suse.cz>
534 PR rtl-optimization/28071
535 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
536 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
537 splitting before first stmt.
539 2006-07-24 Jan Hubicka <jh@suse.cz>
541 PR rtl-optimization/28071
542 * ipa-inline.c (update_caller_keys): Remove edges that
543 are no longer inline candidates.
545 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
548 * dbxout.c (output_used_types_helper, output_used_types): New.
549 (dbxout_symbol): Call output_used_types.
551 2006-07-23 Jan Hubicka <jh@suse.cz>
555 * cgraph.c (cgraph_varpool_nodes): Export.
556 (decide_is_variable_needed): Ignored "used" attribute in
558 * cgraph.h (cgraph_varpool_nodes): Declare.
559 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
562 2006-07-23 Roger Sayle <roger@eyesopen.com>
565 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
566 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
567 the __gthrw form of thr_keycreate.
568 (__gthread_key_delete): Silence the unused argument warning.
570 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
573 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
574 Cache the last found '\0' marker to avoid quadratic behavior.
576 2006-07-23 Jan Hubicka <jh@suse.cz>
578 * i386.md (subsi_3_zext): Fix output template.
580 2006-07-21 Mike Stump <mrs@apple.com>
582 * doc/invoke.texi (C++ Dialect Options): Note that
583 -fvisibility-inlines-hidden doesn't affect explicitly
584 instantiationed inline methods.
586 2006-07-20 Roger Sayle <roger@eyesopen.com>
588 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
589 if the target assembler is GNU binutils' gas.
590 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
591 whether to pass GNU gas or native as command line options.
593 2006-07-20 Jason Merrill <jason@redhat.com>
595 * tree.c (remove_attribute): New fn.
596 * tree.h: Declare it.
598 2006-07-20 Paul Brook <paul@codesourcery.com>
601 * cse.c (cse_insn): Add destination addresses to hash table. Check if
602 they are invalidated by this instruction.
604 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
607 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
609 2006-07-20 Eric Christopher <echristo@apple.com>
612 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
614 2006-07-19 Eric Christopher <echristo@apple.com>
616 * config/t-slibgcc-darwin (stmp-lipo): Remove.
617 Rewrite dependencies for libgcc_s.1.dylib.
619 2006-07-19 Jakub Jelinek <jakub@redhat.com>
621 * except.c (duplicate_eh_regions_1): Clear next_peer.
623 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
625 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
626 -mlongcall does not guarantee all calls will be long.
627 * doc/extend.texi (long_call/short_call): Document that longcall
628 does not guarantee a long call will be used.
629 (longcall/shortcall): Likewise.
631 2006-07-18 Roger Sayle <roger@eyesopen.com>
634 * expmed.c (expand_shift): Additionally check that the shift_cost
635 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
636 before implementing a LSHIFT_EXPR as a sequence of additions.
637 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
638 middle-end that DImode shifts need to be synthesized by expand.
640 2006-07-18 Diego Novillo <dnovillo@redhat.com>
643 * tree-ssa-operands.c (access_can_touch_variable): Update
645 Return true if ALIAS is .GLOBAL_VAR.
647 2006-07-18 David Daney <ddaney@avtrex.com>
649 * gcc.c (display_help): Fix typo in help text.
651 2006-07-18 Olivier Hainque <hainque@adacore.com>
653 * tree.h (categorize_ctor_elements): Adjust prototype and add
654 descriptive comment, both in accordance with the interface change
656 * varasm.c (constructor_static_from_elts_p): New function.
657 Whether a constructor node is a valid static constant initializer
658 if all its elements are.
659 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
660 * output.h: Declare it.
661 * expr.c (categorize_ctor_elements_1): Return whether the constructor
662 is a valid constant initializer instead of computing the number of
663 non-constant elements. Use constructor_static_from_elts_p for this
664 purpose. Replace the head comment with an indication that this is a
665 helper for categorize_ctor_elements.
666 (categorize_ctor_elements): Same interface change as for the _1
667 helper. Former head comment from this helper moved here, adjusted to
668 account for the interface changes.
669 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
670 (all_zeros_p): Likewise.
671 * gimplify.c (gimplify_init_constructor): Decide whether we can make
672 static versions of the constructor from the categorize_ctor_elements
673 return value instead of the formerly computed number of non-constant
676 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
678 * configure: Regenerate.
679 * Makefile.in (build_libsubdir): New configure substitution
680 (build_libobjdir): New variable.
681 (BUILD_LIBIBERTY): Use it.
683 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
686 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
688 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
691 * c-common.c (handle_weakref_attribute): Ignore attribute in
692 the same conditions the alias attribute is ignored.
694 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
696 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
697 (dbxout_begin_prologue): Increment scope_labelno.
699 2006-07-17 Richard Henderson <rth@redhat.com>
702 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
705 2006-07-17 Roger Sayle <roger@eyesopen.com>
706 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
708 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
709 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
710 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
711 functions such as sbrk, write, etc.. Add function prototypes.
712 Convert function declarations from K&R to ISO C. Cast pointers
713 to "long" and "unsigned long" instead of "int" and "unsigned int".
714 Convert tokens following #endif into comments.
716 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
718 * invoke.texi: Remove mention of f77; Reformat table for
719 inline parameter options correctly; mention that -malign-double
720 is default on x86-64 targets.
722 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
724 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
725 (convert_affine_scev, chrec_convert_aggressive): Use
726 avoid_arithmetics_in_type_p. Do not check for the subtypes
729 2006-07-17 Richard Sandiford <richard@codesourcery.com>
732 * optabs.c (expand_doubleword_shift): Wrap the call to
733 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
735 2006-07-17 Richard Sandiford <richard@codesourcery.com>
738 * optabs.c (expand_binop): Pass next_methods rather than methods
739 to expand_doubleword_shift.
741 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
744 * tree.h (dump_addr): Declare.
745 * print-tree.c (dump_addr): New function.
746 (print_node_brief, print_node): Use it.
747 * print-rtl.c (print_rtx): Likewise.
748 * common.opt (-fdump-noaddr): New option.
749 * doc/invoke.texi (-fdump-noaddr): Document.
750 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
751 (ve_info_hash): Likewise.
753 2006-07-13 Andrew Haley <aph@redhat.com>
755 PR tree-optimization/19505
756 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
757 edge leaving this block, make sure that the destination of this
758 block has only one predecessor.
760 2006-07-17 Richard Guenther <rguenther@suse.de>
762 PR tree-optimization/28238
763 * tree-inline.c (copy_bb): Check if we produced valid
764 gimple copying and substituting a stmt. If not, gimplify
767 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
769 * optabs.c (maybe_encapsulate_block): New function extracted from...
770 (emit_libcall_block): ...here. Invoke it on the block of insns to
771 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
772 (emit_no_conflict_block): Likewise.
774 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
776 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
778 2006-07-15 Roger Sayle <roger@eyesopen.com>
780 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
781 a new NOP_EXPR case of the switch statement.
783 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
786 * stor-layout.c (place_field): Take the bit field with
787 an excessive size into account in the ms-bitfiled case.
790 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
791 the previous bit field.
793 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
796 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
798 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
800 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
801 signal frames correctly even when the signal was installed with
804 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
806 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
807 (dbxout_function_end): Use local label LFBB. Remove hook
809 (dbxout_source_line): Use local label LFBB.
810 (dbxout_block): Likewise.
811 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
812 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
813 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
816 2006-07-13 Janis Johnson <janis187@us.ibm.com>
818 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
820 2006-07-13 Jan Hubicka <jh@suse.cz>
822 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
824 * output.h (align_variable): Declare.
825 * varasm.c (align_variable): Export.
826 * value-prof.c (tree_value_profile_transformations): Recompute iterator
827 when basic block changed.
829 2006-07-13 Nick Clifton <nickc@redhat.com>
831 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
832 walking the LOG_LINKS chain.
834 2006-07-12 Geoffrey Keating <geoffk@apple.com>
836 * doc/invoke.texi (C++ Dialect Options): Explain difference
837 between -fvisibility-inlines-hidden and setting hidden
838 visibility explicitly.
840 2006-07-12 Eric Christopher <echristo@apple.com>
842 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
843 (stmp-lipo): Depend on libgcc.a.
845 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
847 * tree.c: Fix a comment typo.
849 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
851 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
853 (umulhisi3_r): Likewise.
855 2006-07-12 Paolo Carlini <pcarlini@suse.de>
858 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
859 x < 19, vs wchar_t support.
861 2006-07-12 Nick Clifton <nickc@redhat.com>
863 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
866 2006-07-12 Mike Stump <mrs@apple.com>
868 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
870 2006-07-10 Eric Christopher <echristo@apple.com>
872 * config/t-slibgcc-darwin: Rewrite.
874 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
877 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
880 2006-07-08 Matthias Klose <doko@debian.org>
882 * doc/sourcebuild.texi: Fix typo.
884 2006-07-07 Mike Stump <mrs@apple.com>
886 * toplev.c (process_options): Don't give -ffunction-sections may
887 affect debugging warning for Mach-O.
889 2006-07-07 James E Wilson <wilson@specifix.com>
891 * config/mips/mips.md (cpu): Add sb1a.
892 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
893 addition to sb1. Adjust comments to clarify SB-1A differences from
895 (ir_sb1a_load): New. Modify bypasses to use it.
896 (ir_sb1a_simple_alu): Likewise.
897 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
898 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
899 (mips_issue_rate): Add PROCESSOR_SB1A.
900 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
901 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
902 (TARGET_SB1): Add PROCESSOR_SB1A check.
903 (TUNE_SB1): Likewise.
905 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
906 * config/mips/mips.c (mips_store_data_bypass_p): New.
907 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
910 2006-07-08 Paul Brook <paul@codesourcery.com>
913 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
915 2006-07-07 Richard Guenther <rguenther@suse.de>
918 * tree.h (build_one_cst): Declare.
919 * tree.c (build_one_cst): New function.
920 * tree-ssa-math-opts.c (get_constant_one): Remove.
921 (insert_reciprocals): Use build_one_cst.
922 * fold-const.c (fold_plusminus_mult): Likewise.
924 2006-07-07 Roger Sayle <roger@eyesopen.com>
926 * pointer-set.c (pointer_set_destroy): Correct whitespace.
927 * cfgloopanal.c (dump_graph): Likewise.
928 * dojump.c (discard_pending_stack_adjust): Likewise.
929 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
931 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
932 * function.c (finalize_block_changes): Likewise.
933 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
934 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
935 * rtl.c (dump_rtx_statistics): Likewise.
936 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
938 * varray.c (dump_varray_statistics): Likewise.
939 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
940 decode_decimal64, encode_decimal128, decode_decimal128,
941 decimal_real_to_decimal): Likewise.
943 2006-07-07 Richard Guenther <rguenther@suse.de>
945 PR tree-optimization/28187
946 * tree-vrp.c (vrp_operand_equal_p): New function.
947 (vrp_bitmap_equal_p): Likewise.
948 (update_value_range): Use them to compare old and new
951 2006-07-06 Roger Sayle <roger@eyesopen.com>
953 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
954 a default case to switch statement to silence compiler warnings.
956 2006-07-06 Roger Sayle <roger@eyesopen.com>
959 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
960 the configured assembler supports the x87's ffreep mnemonic.
961 * configure: Regenerate.
962 * config.in: Regenerate.
964 * config/i386/i386.c (output_387_ffreep): New function.
965 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
966 (output_387_reg_move): Likewise.
968 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
970 Port to hosts whose 'sort' and 'tail' implementations
971 treat operands with leading '+' as file names, as POSIX
972 has required since 2001. However, make sure the code still
973 works on pre-POSIX hosts.
974 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
975 which says you should use "tail -c +N" rather than "tail +Nc".
976 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
978 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
980 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
983 2006-07-06 David Edelsohn <edelsohn@gnu.org>
986 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
987 PRE_{INC,DEC} of TFmode.
989 2006-07-06 David Edelsohn <edelsohn@gnu.org>
990 Alan Modra <amodra@bigpond.net.au>
993 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
996 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
999 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1000 Remove duplicate gtu.
1002 2006-07-05 Jason Merrill <jason@redhat.com>
1006 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1007 * c-common.c (handle_packed_attribute): So don't copy it here.
1008 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1010 2006-07-05 Mike Stump <mrs@apple.com>
1012 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1014 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1017 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1019 2006-07-05 Richard Guenther <rguenther@suse.de>
1022 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1023 TARGET_SSE2 targets if using SSE math.
1024 (*absdf2_1): Likewise.
1026 2006-07-05 Richard Guenther <rguenther@suse.de>
1028 PR tree-optimization/28162
1029 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1030 make sure to convert the operands to the correct type.
1032 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1034 PR tree-optimization/28218
1036 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1037 to calculate and free the dominator information.
1039 2006-07-04 Peter O'Gorman <peter@pogma.com>
1041 * mklibgcc.in: chmod 644 before ranlib during install.
1043 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1044 J"orn Rennecke <joern.rennecke@st.com>
1046 * configure.ac (.eh_frame data check): Use diff -b.
1048 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1051 * Makefile.in (BUILD_RTL): Add build/vec.o.
1052 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1053 (build/genextract): Delete.
1054 (build/genautomata): Likewise.
1056 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1059 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1060 128-bit IBM long doubles for ABI_V4.
1062 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1064 * tree.c (range_in_array_bounds_p): New predicate.
1065 * tree.h (range_in_array_bounds_p): Declare it.
1066 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1067 return a less conservative answer.
1068 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1069 and flag 'is_group'.
1070 (IS_ELEMENT_FOR_GROUP): New macro.
1071 (FOR_EACH_ACTUAL_CHILD): Likewise.
1072 (next_child_for_group): New helper function.
1073 (can_completely_scalarize_p): Take into account groups.
1074 (sra_hash_tree): Handle RANGE_EXPR.
1075 (sra_elt_eq): Likewise.
1076 (lookup_element): Be prepared for handling groups.
1077 (is_valid_const_index): Delete.
1078 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1079 instead of is_valid_const_index.
1080 <ARRAY_RANGE_REF>: New case.
1081 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1082 is_valid_const_index.
1083 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1084 (scan_dump): Dump info for groups too.
1085 (decide_instantiation_1): Likewise.
1086 (decide_block_copy): Assert that the element is not a group.
1087 Propagate decision to groups.
1088 (generate_one_element_ref): Handle RANGE_EXPR.
1089 (mark_no_warning): Iterate over actual childs.
1090 (generate_copy_inout): Likewise.
1091 (generate_element_copy): Likewise.
1092 (generate_element_zero): Likewise.
1093 (generate_element_init_1): Likewise.
1094 (dump_sra_elt_name): Handle RANGE_EXPR.
1096 2006-07-03 Roger Sayle <roger@eyesopen.com>
1098 PR tree-optimization/26251
1099 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1100 (thread_block): When optimizing for size refuse to thread jumps
1101 that would require duplication of blocks other than redirection
1104 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1106 * configure.ac: Fix thinko in previous check-in.
1107 * configure: Regenerate.
1109 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1112 * configure.ac (for lang...): Simplify nesting of conditionals.
1113 Test subdir_requires for non-enabled languages. Move processing
1114 of lang_opt_files and lang_tree_fiels below that test.
1115 * configure: Regenerate.
1116 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1118 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1120 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1122 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1124 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1127 2006-06-29 Jason Merrill <jason@redhat.com>
1134 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1135 * c-common.c (c_determine_visibility): Handle it here.
1136 * c-decl.c (finish_decl): Call c_determine_visibility for
1138 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1140 * varasm.c (default_assemble_visibility): Likewise.
1141 * c-common.c (handle_visibility_attribute): Complain about trying
1142 to give visibility to an already defined class, or trying to change
1143 declared visibility. Always attach the attribute.
1148 * attribs.c (decl_attributes): Ignore type-in-place attributes
1149 once the type has been defined.
1151 2006-06-29 Roger Sayle <roger@eyesopen.com>
1154 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1155 to indicate the cpplib has issued an error message for us.
1157 2006-06-29 Asher Langton <langton2@llnl.gov>
1160 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1161 insert a label at the end of an function under Mach-O.
1163 2006-06-29 Eric Christopher <echristo@apple.com>
1164 Evan Cheng <evan.cheng@apple.com>
1166 * predicates.md (vector_all_ones_operand): New.
1167 (nonimmediate_or_sse_const_operand): Ditto.
1168 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1169 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1170 (standard_sse_mode_p): Ditto.
1171 (standard_sse_constant_p): Add case for -1 vector.
1172 (ix86_expand_vector_move): Try to use.
1173 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1174 Call standard_sse_constant_opcode.
1175 (*movv4sf_internal): Ditto.
1176 (*movv2df_internal): Ditto.
1178 2006-06-29 Roger Sayle <roger@eyesopen.com>
1180 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1181 of XEXP to extract the operands of a MATCH_CODE rtx.
1183 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1185 * tree.c (tree_size): Do not waste tail padding in
1186 struct tree_string and make the size be the same as
1187 build_string will generate.
1189 2006-06-28 Jason Merrill <jason@redhat.com>
1192 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1193 may_aliases already in the tag's annotations to the bitmap.
1195 2006-06-28 Roger Sayle <roger@eyesopen.com>
1197 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1199 2006-06-28 Roger Sayle <roger@eyesopen.com>
1201 * genpreds.c (generate_switch_p): New function.
1202 (add_mode_tests): Push the new mode test down inside an AND expr
1203 if this allows the switch-suitable MATCH_CODE to be near the root.
1204 (write_match_code_switch): New function to write a MATCH_CODE as
1206 (write_predicate_stmts): New function to write a predicate RTX
1207 expression as a sequence of statements.
1208 (write_one_predicate_function): Use write_predicate_stmts.
1209 (write_tm_constrs_h): Likewise.
1211 2006-06-26 Fred Fish <fnf@specifix.com>
1213 * config/mips/t-sb1: New file.
1214 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1217 2006-06-26 DJ Delorie <dj@redhat.com>
1219 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1221 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1222 Jayant Sonar <jayants@kpitcummins.com>
1223 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1225 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1226 (subsi3, subsi3_1, subsi3_2): New.
1227 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1228 * config/m32c/mov.md (SI mov peephole): New.
1229 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1230 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1232 2006-06-26 Olivier Hainque <hainque@adacore.com>
1234 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1235 a CALL_EXPR target function declaration.
1237 2006-06-26 Richard Guenther <rguenther@suse.de>
1239 * tree.c (build_string): Do not waste tail padding in
1242 2006-06-26 Richard Guenther <rguenther@suse.de>
1244 * ggc-page.c (init_ggc): Add missing element to size_lookup
1248 2006-06-23 Richard Guenther <rguenther@suse.de>
1250 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1251 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1252 alignment requests instead. Add verification code.
1253 Add struct tree_function_decl and struct tree_binfo size to
1254 extra_order_size_table. Add missing element to size_lookup
1257 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1260 * fold-const.c (const_binop): Be prepared for self returning zero.
1261 Simplify code handling complex values.
1263 2006-06-24 Olivier Hainque <hainque@adacore.com>
1265 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1266 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1269 2006-06-24 Olivier Hainque <hainque@adacore.com>
1271 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1272 ARRAY_REF, so have the callback called for the low bound expression.
1274 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1276 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1277 * c-typeck.c (c_common_type): Disallow operations on decimal float
1278 types and other float types.
1279 * convert.c (convert_to_real): Don't ignore conversions involving
1280 decimal float types.
1282 2006-06-23 Olivier Hainque <hainque@adacore.com>
1284 * tree.c (max_int_size_in_bytes): New function, inspired from
1285 code in function.c:assign_temp.
1286 * tree.h (max_int_size_in_bytes): Declare.
1287 * function.c (assign_temp): Use it.
1288 * gimplify.c (create_tmp_var): Relax the assertions on the type
1289 properties, not mandating constant size any more.
1290 (force_constant_size): New static function.
1291 (gimple_add_tmp_var): Use it, forcing variable size to a
1292 constant upper bound if it is not constant on entry.
1294 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1297 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1298 for initialization and setting of one_only flag to ...
1299 (i386_pe_encode_section_info): ...here.
1300 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1301 Recheck that the symbol has not been defined.
1303 2006-06-23 Richard Guenther <rguenther@suse.de>
1305 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1306 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1307 alignment requests instead. Add verification code.
1308 Add struct tree_function_decl and struct tree_binfo size to
1309 extra_order_size_table. Add missing element to size_lookup
1312 2006-06-22 Roger Sayle <roger@eyesopen.com>
1313 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1316 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1317 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1319 2006-06-23 Ben Elliston <bje@au.ibm.com>
1321 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1322 negate dn -- manipulate it directly.
1324 2006-06-22 Roger Sayle <roger@eyesopen.com>
1325 Steven Bosscher <stevenb.gcc@gmail.com>
1328 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1329 generated by gen_move_insn to add REG_LABEL notes if necessary.
1331 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1333 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1334 (leaf_entry): Remove use of MIN_ESA.
1336 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1338 PR rtl-optimization/28121
1339 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1342 2006-06-21 DJ Delorie <dj@redhat.com>
1344 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1346 (mulhisi3_r): Likewise.
1348 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1351 * coverage.c (coverage_counter_alloc): Leave the index type
1353 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1356 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1358 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1359 section from the "Options for Code Generation Conventions".
1361 2006-06-21 Richard Henderson <rth@redhat.com>
1365 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1367 (global_symbolic_operand): Allow weak symbols, even if local_p.
1369 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1371 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1372 (find_interesting_uses_address): Punt if above function returns true.
1374 2006-06-21 Richard Guenther <rguenther@suse.de>
1376 * configure: Regenerated.
1378 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1380 * config/mips/mips.c (function_arg): Where one part of a
1381 complex argument is in registers and the other part in the stack,
1382 return a REG not a PARALLEL.
1384 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1386 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1387 when cross-compiling. Do not substitute libstdcxx_incdir.
1388 * configure: Regenerated.
1390 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1392 * varasm.c (mergeable_string_section): Check for embedded NULs and
1393 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1394 rather than TREE_STRING_LENGTH bytes.
1396 2006-06-21 Richard Guenther <rguenther@suse.de>
1398 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1399 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1402 2006-06-21 Richrad Guenther <rguenther@suse.de>
1404 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1405 Limit iteration over the dominators.
1407 2006-06-20 Roger Sayle <roger@eyesopen.com>
1409 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1410 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1412 2006-06-20 Richard Guenther <rguenther@suse.de>
1413 Michael Matz <matz@suse.de>
1415 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1417 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1418 * et-forest.h (et_free_pools): Prototype new function.
1419 * et-forest.c (et_free_tree_force): Free parent occurrence.
1420 (et_free_pools): New function.
1421 * dominance.c (free_dominance_info): Free et-forest alloc
1424 2006-06-20 Roger Sayle <roger@eyesopen.com>
1426 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1427 integer modes, attempt to directly construct an integer constant.
1429 * fold-const.c (native_encode_vector): Determine the size of each
1430 element from the vector type instead of the first vector element.
1432 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1433 if all of its elements/components are constant.
1434 (build_constructor_from_list): Likewise.
1436 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1438 PR tree-optimization/27331
1439 * tree-data-ref.c (free_data_ref): New function.
1440 (create_data_ref): Fail if the data reference has unknown access
1442 (free_data_refs): Use free_data_ref.
1444 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1447 * tree-inline.c (setup_one_parameter): Strip useless
1448 type conversion before adding it to the IR.
1449 (declare_return_variable): Likewise.
1451 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1454 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1456 2006-06-19 Mike Stump <mrs@apple.com>
1458 * tree.c (variably_modified_type_p): VM arguments don't make the
1461 2006-06-19 Richard Guenther <rguenther@suse.de>
1463 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1464 type conversions after folding.
1466 2006-06-19 Richard Guenther <rguenther@suse.de>
1468 * ggc-page.c (extra_order_size_tab): Add entries with
1469 size of struct function and basic_block.
1470 (size_lookup): Extend to cover sizes up to 511.
1471 (ggc_alloc_stat): Adjust user.
1472 (ggc_pch_count_object): Likewise.
1473 (ggc_pch_alloc_object): Likewise.
1474 (ggc_pch_write_object): Likewise.
1476 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1478 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1479 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1482 2006-06-19 Denis Chertykov <denisc@overta.ru>
1484 * config/avr/libgcc.S : Correct my wrong previous commit.
1486 2006-06-19 Roger Sayle <roger@eyesopen.com>
1489 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1490 have stripped a SUBREG from the shift count, so we may need to
1491 convert_to_mode back to the type's mode before calling make_tree.
1492 Use new_amount instead of amount to avoid expanding a tree twice.
1494 2006-06-19 Richard Guenther <rguenther@suse.de>
1497 * fold-const.c (operand_equal_p): Check if the argument types
1498 have the same precision before stripping NOPs.
1500 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1502 Fix PR tree-optimization/27341
1503 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1505 * tree-complex.c (pass_lower_complex): Update SMT usage.
1507 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1509 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1510 Add a new alternative to the constraint strings. Add move of
1511 operand 1 to 3 to the splitter definition.
1512 ("doloop_si_long"): Second contraint alternative removed.
1514 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1516 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1517 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1519 (AVR_HAVE_MOVW) Define.
1520 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1521 (ASM_SPEC): Add avr25.
1522 (LINK_SPEC): Add avr25.
1523 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1524 (base_arch_s): Add new member 'have_movw_lpmx'.
1525 (avr_arch_types): Init 'have_movw_lpmx'.
1526 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1527 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1528 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1529 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1530 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1532 (avr_file_start): Do not output '.arh' derective.
1533 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1534 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1535 * config/avr/avr.md (mcu_enhanced): Delete.
1536 (mcu_have_movw): Define.
1537 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1538 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1539 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1540 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1541 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1542 attiny861 and at86rf401 devices.
1544 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1546 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1549 2006-06-17 Karl Berry <karl@gnu.org>
1551 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1552 doc/gccint.texi, doc/install.texi (@dircategory): Use
1553 "Software development" instead of "Programming", following
1554 the Free Software Directory.
1556 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1558 * config/i386/i386.c (legitimate_tls_address)
1559 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1560 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1561 (*tls_dynamic_gnu2_combine_64): Likewise.
1563 2006-06-16 Richard Guenther <rguenther@suse.de>
1566 * fold-const.c (negate_expr_p): Do not introduce undefined
1567 overflow in negating INTEGER_CSTs.
1568 (fold_negate_expr): Rename from negate_expr. Revert last
1569 change for folding BIT_NOT_EXPR. Change semantics to
1570 return NULL_TREE for non-simplified negations. Do not
1571 strip type conversions and unify type handling.
1572 (negate_expr): New function, wrap around fold_negate_expr
1573 but ensure building a tree always. Strip type conversions
1574 here, fold to result type.
1575 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1577 2006-06-16 Roger Sayle <roger@eyesopen.com>
1580 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1581 that (would) return their results in stack registers.
1583 2006-06-16 Michael Matz <matz@suse.de>
1584 Richard Guenther <rguenther@suse.de>
1586 * fold-const.c (fold_truthop): Only return new tree node if
1587 we canonicalized something.
1589 2006-06-16 Richard Guenther <rguenther@suse.de>
1591 * function.h (enum function_frequency): Move declaration
1592 out of struct function.
1593 (struct function): Move bool fields and the enum to the bitfield
1594 section. Reorder elements to avoid padding. Remove unused
1595 fields left over from the RTL inliner removal.
1596 * function.c (free_after_compilation): Do not zero removed fields.
1597 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1598 (ipa-type-escape.o): Likewise.
1600 2006-06-16 Richard Guenther <rguenther@suse.de>
1602 * cgraph.h (struct cgraph_local_info): Turn bool elements
1604 (struct cgraph_node): Likewise.
1605 (struct cgraph_varpool_node): Likewise.
1607 2006-06-15 Richard Guenther <rguenther@suse.de>
1609 * fold-const.c (fold_truth_not_expr): Rename from
1610 invert_truthvalue. Give it fold_* semantics to avoid
1612 (invert_truthvalue): New function. Wrapper around
1613 fold_truth_not_expr.
1614 (optimize_minmax_comparison): Avoid creating garbage.
1615 (fold_unary): Use fold_truth_not_expr for folding
1617 (fold_ternary): Replace uses of invert_truthvalue with
1618 fold_truth_not_expr where applicable.
1619 * tree.h (fold_truth_not_expr): Prototype.
1621 2006-06-16 Richard Guenther <rguenther@suse.de>
1623 PR tree-optimization/27781
1624 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1625 * ipa-pure-const.c (target.h): Include.
1626 (analyze_function): Do not analyze functions that do not
1629 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1632 * tree-dfa.c (referenced_vars_dup_list): Remove.
1633 (find_referenced_vars): Remove assert.
1634 (referenced_var_check_and_insert): Replace dup list with assert.
1635 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1636 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1638 2006-06-15 Richard Guenther <rguenther@suse.de>
1640 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1641 extra unused identifiers if not dumping.
1642 (create_variable_info_for): Likewise.
1644 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1646 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1647 (derive_constant_upper_bound): Derive more precise upper bound in
1648 common cases. Return type changed to double_int.
1649 (record_estimate): Reflect the changed return type of
1650 derive_constant_upper_bound.
1651 * double-int.c (double_int_zext, double_int_sext): Fix.
1653 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1655 * configure.ac (CFLAGS): Get them from the toplevel or from the
1656 configure invocation.
1657 * configure: Regenerate.
1658 * Makefile.in (CFLAGS): Substitute value provided by configure.
1660 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1663 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1664 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1665 rather than calling add_stmt on it.
1666 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1668 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1671 * reload1.c (reload): Remove registers returned by update_eliminables
1672 from used_spill_regs.
1674 2006-06-13 DJ Delorie <dj@redhat.com>
1676 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1678 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1680 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1681 html__strip_dir, html__mkdir_p. Enhance install-html target.
1682 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1683 * configure: Regenerate.
1685 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1687 * fold-const.c (fold_cond_expr_with_comparison): Check for
1688 Objective-C++ as language in deciding COND_EXPR transformation.
1690 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1693 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1694 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1695 * config/sh/lib1funcs.h (SL, SL1): Define.
1696 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1697 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1698 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1699 (OBJS_Os_4_200): New variable.
1700 ($(T)libgcc-Os-4-200.a): Use it.
1701 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1702 when dividing 1 and/or by 0.
1704 2006-06-13 Roger Sayle <roger@eyesopen.com>
1706 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1707 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1708 * configure: Regenerate.
1710 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1712 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1713 for real instruction.
1715 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1718 * haifa-sched.c (check_cfg): Handle special case.
1720 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1723 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1724 Add debug_info parameter. Chain the vars to the BLOCK instead
1725 of the BIND_EXPR if debug info are requested for them.
1726 (pop_gimplify_context): Adjust for above change.
1727 (gimple_add_tmp_var): Likewise.
1728 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1730 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1731 (convert_local_reference): Likewise.
1732 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1733 (finalize_nesting_tree_1): Request that debug info be emitted
1734 for debug_var_chain.
1736 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1738 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1739 for PR target/27863.
1741 2006-06-13 Richard Guenther <rguenther@suse.de>
1744 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1746 2006-06-13 Richard Guenther <rguenther@suse.de>
1748 PR tree-optimization/27830
1749 * tree-inline.c (copy_body_r): For copying the operand
1750 of an ADDR_EXPR make sure to fold &* afterwards.
1752 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1754 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1755 lvalues in the fb_none case with side-effects.
1757 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1759 * tree-flow.h: Remove the prototype for
1760 compute_phi_arg_on_exit.
1761 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1762 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1765 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1767 * builtins.c (expand_builtin_return_addr): Only use
1768 frame_pointer_rtx when count == 0 and we are expanding
1769 __builtin_return_address.
1771 2006-06-12 Fred Fish <fnf@specifix.com>
1773 * config/mips/mips.c (mips_file_start): Create special section
1774 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1776 2006-06-11 Eric Christopher <echristo@apple.com>
1779 * stor-layout.c (place_field): Remove check for
1780 remaining_in_alignment when aligning at the end of a run.
1782 2006-06-11 Eric Christopher <echristo@apple.com>
1785 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1788 2006-06-11 Roger Sayle <roger@eyesopen.com>
1791 Revert incorrect fix for PR target/27158
1792 2006-05-08 Roger Sayle <roger@eyesopen.com>
1793 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1794 of a reg_equiv_constant if the result is a legitimate constant.
1796 2006-06-11 Roger Sayle <roger@eyesopen.com>
1799 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1800 extract a CONST_VECTOR element and interpret it as an integer.
1801 (vspltis_constant): Use const_vector_elt_as_int instead of the
1802 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1803 * config/rs6000/predicates.md (easy_vector_const): Consider
1804 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1806 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1809 * stor-layout.c (update_alignment_for_field): Don't add extra
1810 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1813 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1815 * config/mips/t-rtems: Add EL/EB multilib variants.
1817 2006-06-09 Mike Stump <mrs@apple.com>
1819 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1821 2006-06-09 David Daney <ddaney@avtrex.com>
1823 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1825 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1827 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1829 2006-06-09 Richard Guenther <rguenther@suse.de>
1831 PR tree-optimization/26998
1832 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1833 of signed types, only TYPE_MIN_VALUE is special, but for both,
1834 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1835 in this case, as is -fwrapv.
1837 2006-06-08 Mike Stump <mrs@apple.com>
1840 * config/darwin.c (darwin_asm_output_anchor): Disable
1841 -fsection-anchors on darwin for now.
1842 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1843 * rs6000/rs6000.c (optimization_options): Likewise.
1845 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1848 * config/i386/i386.c (classify_argument): Skip fields with invalid
1851 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1853 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1854 (cse_insn): Likewise for the stack_pointer_rtx.
1856 2006-06-08 Roger Sayle <roger@eyesopen.com>
1858 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1859 conditions from floating point comparisons.
1861 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1864 * expmed.c (struct alg_hash_entry): Fix type of field T
1865 to match synth_mult argument.
1866 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1868 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1871 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1874 2006-06-08 Richard Guenther <rguenther@suse.de>
1877 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1878 only, if overflow is defined and not trapping.
1879 (negate_expr): Likewise.
1881 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1883 PR tree-optimization/27872
1884 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1885 flag on the new exit edge of the unrolled loop.
1887 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1889 PR rtl-optimization/26449
1890 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1892 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1895 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1896 referenced_variables with matching DECL_UID's.
1897 (find_referenced_vars): Make sure duplicate list is empty to start.
1898 (referenced_var_p): Remove.
1899 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1900 Check if var is in the list, and add if needed. Update the duplicate
1901 list if a different var is in the list with the same DECL_UID.
1902 (add_referenced_var): Call routine to check and insert.
1903 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1904 * tree-flow.h (referenced_vars_dup_list): External declaration.
1906 2006-06-07 Fred Fish <fnf@specifix.com>
1908 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1911 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1914 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1915 the imaginary and real parts of a clobbered register.
1916 Emit insn to set the imaginary part.
1918 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1920 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1921 in lieu of unwind-dw2-fde.c.
1923 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1925 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1927 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1930 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1931 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1932 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1933 V4SImode temporaries and operations instead.
1935 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1937 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1940 2006-06-06 Mike Stump <mrs@apple.com>
1942 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1943 installing during build.
1945 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1947 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1949 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1950 * config/ia64/ia64.c (params.h): New header.
1951 (ia64_optimization_options): New function to adjust parameters.
1952 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1953 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1954 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1956 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1958 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1960 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1963 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1965 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1966 Victor Kaplansky <victork@il.ibm.com>
1968 PR tree-optimization/26360
1969 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1972 2006-06-04 Roger Sayle <roger@eyesopen.com>
1973 Andrew Pinski <pinskia@physics.uc.edu>
1976 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1977 for LABEL_DECL before calling DECL_WEAK.
1980 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1981 LABEL_DECL and PARM_DECL.
1983 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1987 * c-decl.c (grokdeclarator): Disallow variably modified types at
1988 file scope. Avoid marking shared array type of constant size as
1991 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1994 * c-common.c (fold_offsetof_1): Handle static members.
1996 2006-06-04 Eric Christopher <echristo@apple.com>
1998 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1999 (debug_rli): Output value for remaining_in_alignment.
2000 (update_alignment_for_field): Unconditionalize
2001 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2002 extra alignment code.
2003 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2004 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2005 * tree.h (record_layout_info_s): Remove prev_packed.
2006 * doc/extend.texi (ms_struct): Add documentation of format.
2008 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2010 * tree.h: Declare folding_initializer.
2011 * builtins.c (fold_builtin_constant_p): Give definite answer
2012 if folding inside an initializer.
2013 * fold-const.c: Define folding_initializer.
2014 (START_FOLD_INIT): Save and then set folding_initializer.
2015 (END_FOLD_INIT): Restore folding_initializer.
2017 2006-06-04 Richard Guenther <rguenther@suse.de>
2019 PR tree-optimization/27039
2020 * fold-const.c (fold_comparison): Handle pointer comparison
2021 again for all comparison codes. Compare offsets in signed
2023 (fold_binary): Move code from here.
2025 2006-06-03 Roger Sayle <roger@eyesopen.com>
2028 * config/i386/i386.c (construct_container): Split static issued_error
2029 flag into issued_sse_arg_error, issued_sse_ret_error and
2030 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2031 requires the use of x87 registers and the user explicitly
2032 specified the -mno-80387 command line option.
2034 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2036 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2037 HAVE_DECL_SIGALTSTACK.
2039 (segv_handler): Use MC_FLD.
2040 * configure.ac: Check for a sigaltstack declaration.
2041 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2042 * configure: Regenerate.
2043 * config.in: Regenerate.
2045 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2048 * Makefile.in (stmp-fixinc): Fix typo.
2050 2006-06-02 Roger Sayle <roger@eyesopen.com>
2052 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2053 are type correct. Clean-up.
2054 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2055 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2057 2006-06-01 DJ Delorie <dj@redhat.com>
2059 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2060 shift, as we've disabled the "switch" insn that needs it.
2062 2006-06-01 Per Bothner <bothner@bothner.com>
2064 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2065 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2066 * c-ppoutput.c (cb_define): Don't increment line 0.
2068 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2070 * doc/invoke.texi: Add cpu_type power6.
2071 * config.gcc: Add cpu_type power6.
2072 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2073 to power5+ with Altivec.
2074 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2075 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2077 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2079 * config/avr/avr.h (SET_ASM_OP): Define.
2081 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2083 * config/bfin/bfin.c: Fix comment typos.
2085 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2088 * doc/install.texi: Document --enable-bootstrap and
2089 --disable-bootstrap.
2091 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2093 * doc/install.texi: Document that InfoZIP can replace jar.
2095 2006-05-31 Roger Sayle <roger@eyesopen.com>
2097 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2098 isn't available, directly generate the simpler x87 patterns without
2099 the (use (const_int 0)).
2100 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2101 implementation isn't available.
2102 (*negdf2_1): Likewise.
2103 (*negxf2_1): XF mode negation is always done using the x87.
2104 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2106 2006-05-31 Roger Sayle <roger@eyesopen.com>
2108 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2109 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2111 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2113 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2115 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2116 * config/bfin/bfin.c (basic-block.h): Include.
2117 (struct machine_function): New.
2118 (bfin_init_machine_status): New.
2119 (override_options): Initialize init_machine_status.
2120 (bfin_hardware_loop): New.
2121 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2122 (DEF_VEC_P (loop_info)): New.
2123 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2124 (struct loop_info): New.
2125 (loop_info): New typedef.
2126 (struct loop_work): New.
2127 (loop_work): New typedef.
2128 (DEF_VEC_O (loop_work)): New.
2129 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2130 (bfin_dump_loops): New.
2131 (bfin_bb_in_loop): New.
2132 (bfin_scan_loop): New.
2133 (bfin_optimize_loop): New.
2134 (bfin_reorg_loops): New.
2135 (bfin_reorg): Use bfin_reorg_loops.
2136 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2138 (I_REGNO_P): Simplify.
2139 (DP_REGNO_P, DPREG_P): New macros.
2140 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2141 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2142 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2143 Add LT_REGS, LC_REGS, LB_REGS.
2144 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2146 (REGNO_REG_CLASS): Deal with loop registers.
2147 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2149 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2150 New constants for loop registers.
2151 (UNSPEC_LSETUP_END): New.
2152 (seq_insns): New define_attr. Set it for appropriate insns.
2153 (movsi_insn): Add alternatives for move from/to
2154 loop count registers.
2155 (doloop_end): New define_expand.
2156 (loop_end): New define_insn.
2157 (define_split for bad doloop_end): New.
2158 (lsetup_with_autoinit): New define_insn.
2159 (lsetup_without_autoinit): New define_insn.
2160 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2161 * config/bfin/predicates.md (lc_register_operand): New.
2162 (lt_register_operand): New.
2163 (lb_register_operand): New.
2164 (nondp_register_operand): New.
2165 (nondp_reg_or_memory_operand): New.
2166 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2168 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2170 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2171 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2173 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2175 * Makefile.in (CATALOGS): Add po/ prefix.
2176 * configure: Regenerated.
2178 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2181 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2182 a shift operand before calling shift_op. Avoid redundant call of
2185 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2186 DJ Delorie <dj@redhat.com>
2188 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2189 we're inserting is a singlt-bit constant.
2191 2006-05-30 Roger Sayle <roger@eyesopen.com>
2193 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2194 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2196 2006-05-30 Roger Sayle <roger@eyesopen.com>
2198 PR tree-optimization/23452
2199 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2200 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2201 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2202 complex values and with -ffast-math for FP complex values.
2204 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2206 * c-common.h: Remove the prototype for yyparse.
2207 * rtl.h: Remove the prototype for init_loop.
2209 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2211 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2214 2006-05-30 Roger Sayle <roger@eyesopen.com>
2216 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2218 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2219 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2221 2006-05-30 Dirk Mueller <dmueller@suse.de>
2224 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2225 for CONSTANT_CLASS_P expresisons.
2227 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2230 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2232 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2234 PR tree-optimization/27779
2235 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2236 initial_condition instead of CHREC_LEFT.
2238 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2240 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2241 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2242 Make prototypes ISO C90.
2244 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2245 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2247 * see.c (see_analyze_one_def): Correct check.
2248 (see_get_extension_data): Check if extension is parallel.
2249 (see_get_extension_reg): Likewise.
2251 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2254 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2255 into register for (code == GTU).
2257 2006-05-29 Roger Sayle <roger@eyesopen.com>
2259 PR tree-optimization/24964
2260 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2261 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2262 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2263 abs(x)*abs(x) as x*x for scalar floating point modes.
2265 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2268 * lambda-code.c (perfect_nestify): Don't copy statements
2269 in the inner loop: move them to the inner loop header.
2271 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2274 * c-tree.texi: Document OpenMP directives and clauses.
2276 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2278 * varasm.c (globalize_decl): Fix indentation.
2280 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2283 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2284 pass_fre, pass_store_ccp, pass_copy_prop,
2285 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2286 pass_return_slot, pass_object_size, pass_lim,
2287 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2288 pass_loop_prefetch and pass_stdarg.
2290 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2292 * config/bfin/bfin.opt (mfdpic): New option.
2293 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2294 (EXTRA_MULTILIB_PARTS): Likewise.
2295 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2296 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2298 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2299 (CRT_CALL_STATIC_FUNCTION): New.
2300 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2302 (CRT_CALL_STATIC_FUNCTION): New.
2303 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2305 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2306 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2307 (initialize_trampoline): Changed to handle FD-PIC code generation.
2308 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2309 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2310 (override_options): Disallow -mid-shared-library -mfdpic combination.
2311 Can't do unaligned ops if FD-PIC.
2312 Turn off flag_pic if trying to generate non-id-shared-library
2313 non-fdpic code, since it's not supported.
2314 (bfin_assemble_integer): New function.
2315 (TARGET_ASM_INTEGER): Define.
2316 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2318 * config/bfin/crtn.s: Restore them.
2319 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2321 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2322 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2323 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2324 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2325 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2327 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2328 FDPIC_REGS and FDPIC_FPTR_REGS.
2329 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2330 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2331 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2332 (load_funcdescsi): New pattern.
2333 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2334 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2335 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2337 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2339 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2342 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2344 * tree-flow.h: Remove the prototype for add_type_alias.
2345 * tree-ssa-alias.c (add_type_alias): Remove.
2347 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2349 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2350 config/fr30/fr30.md, config/i386/i386-interix.h,
2351 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2352 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2353 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2354 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2355 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2356 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2357 Follow spelling conventions.
2358 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2359 Follow spelling conventions.
2361 2006-05-27 Richard Guenther <rguenther@suse.de>
2364 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2365 to produce a constant of value 1 of generic type.
2367 2006-05-27 Dirk Mueller <dmueller@suse.de>
2369 * cgraphunit.c (decide_is_function_needed): Fix wrong
2372 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2374 PR rtl-optimization/27661
2375 * reload.c (find_reloads): When reloading a VOIDmode constant
2376 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2377 use Pmode as mode of the reload register.
2379 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2381 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2382 is enabled at -O and above.
2384 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2387 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2390 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2393 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2394 for anonymous variables explicitly declared by front ends.
2396 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2398 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2399 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2400 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2401 ref-all pointers, run a finalization pass for them.
2402 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2403 (finalize_ref_all_pointers): New function.
2404 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2405 regular pointer type to a ref-all pointer type.
2406 (get_tmt_for): Return the special memory tag for ref-all pointers.
2408 2006-05-25 Richard Guenther <rguenther@suse.de>
2411 * fold-const.c (fold_binary): Do not look at the stripped
2412 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2414 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2416 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2417 for LT and GT if the computed range is effectively empty.
2419 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2422 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2423 mips_quad_format formats instead of ieee_single_format,
2424 ieee_double_format and ieee_quad_format formats, respectively.
2426 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2428 PR tree-optimization/27639
2429 PR tree-optimization/26719
2430 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2431 call to scev_probably_wraps_p.
2432 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2433 used_in_pointer_arithmetic_p, convert_step): Removed.
2434 (nowrap_type_p): New function.
2435 (scev_probably_wraps_p): Rewritten.
2436 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2437 chrec_convert if chrec_convert_aggressive might have been used.
2438 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2439 scev_direction): New functions.
2440 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2441 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2442 instead of convert_step.
2443 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2444 (convert_step): Declaration removed.
2445 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2447 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2449 * df-core.c: Added to header comments.
2450 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2451 df_ur_bb_info, df_urec_bb_info): Added comments.
2452 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2453 urec, ri problems): Fixed header comments.
2454 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2455 code from df_rd_transfer_function.
2457 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2459 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2460 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2461 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2463 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2465 * expr.c (undefined_operand_subword_p): New.
2466 (emit_move_multi_word): Do not generate move from undefined bits
2467 of a paradoxical subreg.
2469 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2471 PR rtl-optimization/27736
2472 * combine.c (replaced_rhs_value): New variable.
2473 (combine_instructions): Set it.
2474 (distribute_notes): When distributing a note in replaced_rhs_insn,
2475 check whether the value was used in replaced_rhs_value.
2477 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2480 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2481 add_referenced_var instead of add_referenced_tmp_var.
2482 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2483 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2485 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2486 tree_optimize_tail_calls_1): Use add_referenced_var.
2487 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2488 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2489 Use add_referenced_var.
2490 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2491 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2492 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2493 Use add_referenced_var.
2494 * tree-dfa.c (struct walk_state): Remove.
2495 (find_referenced_vars): Remove walk state and vars_found hash table.
2496 (make_rename_temp): Use add_referenced_var.
2497 (find_vars_r): Pass less parameters to add_referenced_var.
2498 (referenced_var_p): New. Is var in referenced_var hash table.
2499 (referenced_var_insert): Assert var isn't already in hash table.
2500 (add_referenced_var): Don't need walk_state parameter. Add var if it
2501 isn't already in the hash table.
2502 (add_referenced_tmp_var): Remove.
2503 (find_new_referenced_vars_1): Use add_referenced_var.
2504 * tree-ssa-pre.c (create_expression_by_pieces,
2505 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2506 Use add_referenced_var.
2507 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2508 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2509 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2511 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2512 vect_create_data_ref_ptr, vect_create_destination_var,
2513 vect_init_vector, vect_build_loop_niters,
2514 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2515 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2516 Use add_referenced_var.
2517 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2518 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2519 (add_referenced_var): Add prototype.
2520 * tree-ssa-structalias.c (get_constraint_for,
2521 intra_create_variable_infos): Use add_referenced_var.
2523 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2525 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2526 big-endian paradoxical subregs.
2527 * var-tracking.c (struct micro_operation_def): Document that,
2528 for modify micro operations, insn is the subsequent instruction.
2529 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2530 (var_reg_set, var_mem_set): ... new functions.
2531 (add_stores): Record subsequent insn.
2532 (compute_bb_dataflow): Use new functions for MO_USE.
2533 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2534 notes after the insn, and modify notes before the insn known
2535 to be the subsequent one.
2536 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2538 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2541 * config/i386/i386.c (ix86_expand_builtin): Use
2542 gen_sse3_monitor64 for TARGET_64BIT.
2544 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2546 PR rtl-optimization/26375
2547 PR rtl-optimization/26855
2548 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2550 (df_ru_bb_local_compute): Reversed statements and removed bogus
2551 comment explaining why they should be in wrong order.
2552 (df_ru_dump, df_rd_dump): Enhanced debug info.
2553 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2555 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2556 reaching uses and fixed space problem.
2558 2006-05-23 Jan Hubicka <jh@suse.cz>
2560 * cgraphunit.c (decide_is_function_needed): Also nested functions
2561 and functions declared inline can be optimized out at -O0.
2563 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2565 * doc/install.texi (Configuration): Remove reference to CrossGCC
2569 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2572 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2573 ix86_compare_emitted is non-NULL.
2575 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2578 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2581 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2583 PR rtl-optimization/25514
2584 * combine.c (replaced_rhs_insn): New variable.
2585 (combine_instructions): Set replaced_rhs_insn when trying to replace
2586 a SET_SRC with a REG_EQUAL note.
2587 (distribute_notes): Use replaced_rhs_insn when determining the live
2588 range of a REG_DEAD register.
2590 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2591 Anatoly Sokolov <aesok@post.ru>
2593 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2594 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2595 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2596 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2597 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2598 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2599 at90usb647, at90usb1286 and at90usb1287 devices.
2600 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2601 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2603 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2605 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2607 2006-05-22 Richard Guenther <rguenther@suse.de>
2610 2006-01-31 Richard Guenther <rguenther@suse.de>
2611 Paolo Bonzini <bonzini@gnu.org>
2613 * doc/install.texi (--disable-libgcc-math): Document.
2615 2006-05-22 Richard Guenther <rguenther@suse.de>
2618 2006-01-31 Richard Guenther <rguenther@suse.de>
2620 * doc/invoke.texi (-msselibm): Document.
2621 * target.h (expand_library_builtin): New target hook.
2622 * builtins.c (expand_builtin): Use expand_library_builtin.
2623 (default_expand_library_builtin): New function.
2624 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2625 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2626 (link_gcc_math_spec): Declare.
2627 (static_specs): Add link_gcc_math_spec.
2628 * expr.h (default_expand_library_builtin): Declare.
2629 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2630 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2631 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2632 * config/i386/i386.opt (msselibm): New target option.
2633 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2634 (ix86_init_sse_abi_builtins): New function.
2635 (ix86_expand_library_builtin): Likewise.
2636 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2637 (override_options): Handle error conditions wrt -msselibm.
2638 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2639 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2640 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2643 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2646 * c-common.c (self_promoting_args_p): Skip erroneous args.
2649 * c-decl.c (finish_struct): Skip erroneous fields.
2651 2006-05-22 Nick Clifton <nickc@redhat.com>
2653 * config/cris/cris.opt (march): Remove VarExists attribute.
2654 (max-stackframe=): Likewise.
2656 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2658 * doc/rtl.texi: Fix a typo.
2659 * see.c: Fix comment typos.
2661 * tree-ssa-structalias.h (alias_info): Remove num_references.
2663 2006-05-21 Mike Stump <mrs@apple.com>
2665 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2667 (darwin_pragma_options): Use BAD instead.
2668 (darwin_pragma_unused): Likewise.
2669 (darwin_pragma_ms_struct): Likewise.
2671 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2673 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2675 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2677 PR rtl-optimization/27671
2678 * simplify-rtx.c (simplify_relational_operation_1): Fix
2679 simplifications of (eq/ne (xor x y) y) and
2680 (eq/ne (xor x y) x).
2682 PR tree-optimization/26622.
2683 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2686 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2688 * tree-cfg.c: Prune whitespace.
2689 (debug_tree_cfg): Point to correct header containing the
2692 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2695 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2697 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2700 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2701 or sorry count is non zero.
2703 2006-05-20 Andreas Schwab <schwab@suse.de>
2705 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2707 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2708 Kenneth Zadeck <zadeck@naturalbridge.com>
2710 PR rtl-optimization/26855
2712 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2714 (df_scan_alloc): Added code to properly handle multiword hard
2715 registers and add all_blocks parameter.
2716 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2717 code to properly handle multiword hard registers.
2718 (df_rescan_blocks): Added code to remove deleted blocks from
2720 (df_ref_create_structure, df_ref_record): Added code to properly
2722 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2723 and set DF_REF_PARTIAL.
2724 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2725 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2726 (df_scan_add_problem): Added flags parameter.
2727 (df_ref_create_structure): Changed switching structure.
2728 (df_bb_refs_record): Fixed case where duplicate artificial refs
2729 were created. Changed location of flags.
2730 (df_record_entry_block_defs): Added code to make stack pointer
2731 live in entry block. Refined cases where frame pointer is needed.
2732 Changed location of flags.
2733 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2734 (df_set_state): Removed function.
2735 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2736 df_insn_create_insn_record, df_insn_refs_delete,
2737 df_ref_create_structure): Formatting changes.
2738 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2739 df_delete_basic_block): New function.
2740 (df_init): Changed location of flags.
2741 (df_add_problem): Added flags parameter and the way flags are
2743 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2744 debug_df_chain): Improved debugging output.
2745 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2746 (df_refs_chain_dump): Removed df parameter.
2747 (df_iterative_dataflow): Added consistency check.
2748 (df_prune_to_subcfg): Made public.
2749 (df_analyze_problem): Added blocks_to_init parameter and made
2751 (df_ref_record, df_bb_refs_record, df_mark_reg,
2752 df_record_exit_block_uses): Whitespace changes.
2753 (df_dump): Whitespace changes.
2754 * df.h: Some reordering to remove forward references.
2755 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2756 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2757 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2758 (dataflow.flags): New field.
2759 (df.flag): Deleted field.
2760 (df_alloc_function): Added additional bitmap parameter.
2761 (df_dependent_problem_function): New type.
2762 (df_problem.changeable_flags): New field.
2763 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2764 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2765 (df_mw_hardreg): New struct.
2766 (DF_INSN_UID_MWS): New macro.
2767 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2769 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2770 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2771 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2772 (df_set_state): Removed function.
2773 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2774 * df-problems.c (df_chain_dump): Removed df parameter.
2775 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2776 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2778 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2779 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2780 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2781 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2782 DF_REF_MUST_CLOBBER cases.
2783 (df_ru_bb_local_compute_process_def,
2784 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2785 df_lr_bb_local_compute, df_ur_bb_local_compute,
2786 df_chain_create_bb): Made subreg aware.
2787 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2788 df_lr_bb_local_compute, df_lr_bb_local_compute,
2789 df_chain_create_bb): Cleanup to use proper macros.
2790 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2791 code to fixup bitvectors.
2792 (df_ri_alloc): Cleared lifetime.
2793 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2794 df_create_unused_note): New function.
2795 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2796 REG_DEAD and REG_UNUSED notes as well as register information.
2797 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2798 df_chains_dump): Fixed crash if problem was never run.
2799 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2800 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2801 df_ri_add_problem): Processes flags in uniform manner.
2802 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2803 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2804 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2805 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2806 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2807 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2808 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2809 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2810 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2811 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2812 * see.c (see_initialize_data): Ditto.
2813 * final.c (rest_of_clean_state) Added regstack_completed.
2814 * rtl.h (regstack_completed): Ditto.
2815 * reg-stack.c (regstack_completed): Ditto.
2817 2006-05-19 Mike Stump <mrs@apple.com>
2819 * c-tree.h (default_conversion): Remove.
2820 * c-common.h (default_conversion): Add.
2822 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2824 * tree-vrp.c (valid_value_p): New function.
2825 (adjust_range_with_scev): Fail if the value of bound is not
2828 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2830 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2831 (mips_fallback_frame_state): Use syscall numbers to determine
2832 the appropriate li instruction for the current ABI. Only use
2833 __NR_sigreturn for o32.
2835 2006-05-19 Nicolas Setton <setton@adacore.com>
2837 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2838 * langhooks.c (lhd_dwarf_name): New function.
2839 * langhooks-def.h (lhd_dwarf_name): Declare.
2840 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2841 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2842 * ada/misc.c (gnat_dwarf_name): New function.
2843 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2845 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2847 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2849 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2850 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2851 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2852 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2853 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2854 determine the size of Wtype, etc.
2855 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2856 (swfloatfuncs): New variable.
2857 (dwfloatfuncs): Likewise.
2858 (lib2funcs): Remove floating-point conversion functions from
2859 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2860 the set of conversion routines needed. Allow entries to specify
2861 an object name, filename and word size. Update users accordingly.
2862 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2863 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2867 2006-02-08 Roger Sayle <roger@eyesopen.com>
2870 * config/fixtfdi.c: New libgcc source file.
2871 * config/fixunstfdi.c: New source file.
2872 * config/floatditf.c: New source file.
2873 * config/floatunditf.c: New souce file.
2874 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2875 files above instead of config/mips/_tilib.c.
2876 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2878 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2880 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2881 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2883 2006-05-18 Mike Stump <mrs@apple.com>
2885 Fix up vla, vm and [*] sematics.
2891 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2892 (c_vla_unspec_p): Add.
2893 (c_vla_type_p): Add.
2894 * c-decl.c (struct c_scope): Add had_vla_unspec.
2895 (build_array_declarator): Add support for [*].
2896 (grokdeclarator): Likewise.
2897 (grokparms): Likewise.
2898 (get_parm_info): Likewise.
2899 * c-objc-common.c (c_vla_unspec_p): Likewise.
2900 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2901 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2902 typeof when argument is a variably modified type not inside sizeof or alignof.
2903 (c_parser_direct_declarator_inner): Propagate errors.
2904 (c_parser_sizeof_expression): Add support for [*].
2905 (c_parser_parms_declarator): Initialize had_vla_unspec.
2906 (c_parser_parms_list_declarator): Likewise.
2907 * c-typeck.c (c_vla_type_p): Add.
2908 (composite_type): Add support for vla compositing.
2909 (comptypes_internal): Add support for vla compatibility.
2910 (c_expr_sizeof_expr): Evaluate vla arguments.
2911 * tree.c (variably_modified_type_p): Update comment for [*].
2913 2006-05-18 Michael Matz <matz@suse.de>
2916 * config.host: Make assignments to host_xmake_file cumulative.
2917 * config.host (*-darwin*): Test $host, not $target.
2919 2006-05-12 Stuart Hastings <stuart@apple.com>
2921 * config/i386/i386.opt (-mstackrealign): New flag.
2922 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2923 (ix86_handle_cconv_attribute): Emit error when
2924 force_align_arg_pointer attribute collides with too many regparms.
2925 (ix86_function_regparm): Limit regparms when used with
2926 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2927 Support stack-realigning prologue in non-main functions. Emit
2928 warning for nested functions under -mstackrealign, emit error for
2929 nested functions with force_align_arg_pointer attribute.
2930 * doc/extend.texi (force_align_arg_pointer): Document it.
2931 * doc/invoke.texi (-mstackrealign): Document it.
2933 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2935 PR rtl-optimization/27477
2936 * combine.c (try_combine): Don't split a parallel consisting
2937 of two sets into two individual sets if both sets reference
2940 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2942 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2943 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2945 * doc/options.texi (VarExists): Updated.
2947 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2949 * unwind-dw2.c: Add declarations for uw_update_context and
2951 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2952 detected, advance frame state and context once to skip over stub.
2954 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2958 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2959 Call rewrite_into_loop_closed_ssa only when something changed.
2960 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2961 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2962 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2963 Test for perfect_nest_p here. Fix formating.
2964 (replace_uses_equiv_to_x_with_y): Fix formating.
2965 (stmt_uses_op): Removed.
2966 (can_convert_to_perfect_nest): Removed loopivs parameter.
2967 Complete the test by checking the scalar dependences.
2968 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2971 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2974 From Dan Kegel <dank@kegel.com>:
2975 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2977 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2979 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2980 if the element type is variably modified without recursing.
2982 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2985 * tree-loop-linear.c (try_interchange_loops): Test for
2986 no data dependences.
2988 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2990 PR tree-optimization/27548
2991 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2992 range of ssa names that appear on abnormal edges.
2993 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2994 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2996 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2999 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3001 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3004 * tree.h (OMP_PARALLEL_COMBINED): Define.
3005 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3006 (new_omp_context): Add is_combined_parallel argument.
3007 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3008 new_omp_context caller.
3009 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3010 Adjust gimplify_scan_omp_clauses callers.
3011 (omp_is_private): Issue errors if iteration variable is firstprivate
3012 or reduction in the current context.
3013 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3014 on combined parallel workshare constructs.
3016 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3018 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3019 (gcc-options.o): New rule.
3021 * optc-gen.awk: Protect variables for gcc-options.o with
3022 #ifdef GCC_DRIVER/#endif.
3024 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3026 Fix PR tree-optimization/27373
3027 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3028 (forward_propagate_addr_expr): Update call.
3030 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3032 * doc/options.texi: Move the Negative option.
3034 2006-05-16 Richard Guenther <rguenther@suse.de>
3036 PR tree-optimization/22303
3037 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3039 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3040 ccp_fold did not simplify the statement.
3042 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3045 * Makefile.in (GCC_OBJS): New.
3046 (OBJS-common): Add opts-common.o.
3047 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3048 (cpp$(exeext)): Likewise.
3049 (gcc.o): Also depend on opts.h.
3050 (opts-common.o): New.
3052 * common.opt (gcoff): Add Negative(gdwarf-2).
3053 (gdwarf-2): Add Negative(gstabs).
3054 (gstabs): Add Negative(gstabs+).
3055 (gstabs+): Add Negative(gvms).
3056 (gvms): Add Negative(gxcoff).
3057 (gxcoff): Add Negative(gxcoff+).
3058 (gxcoff+): Add Negative(gcoff).
3059 * config/i386/i386.opt (m32): Add Negative(m64).
3060 (m64): Add Negative(m32).
3062 * doc/options.texi: Document the Negative option.
3064 * gcc.c: Include "opts.h".
3065 (main): Call prune_options after expandargv.
3067 * optc-gen.awk: Generate common declarations for all flag
3068 variables in options.c. Output the neg_index field.
3070 * opts.c (find_opt): Moved to ...
3071 * opts-common.c: Here. New file.
3073 * opts.h (cl_option): Add a neg_index field.
3075 (prune_options): Likewise.
3077 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3080 * omp-low.c (expand_omp_parallel): Don't assert
3081 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3082 instead search for it.
3085 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3088 2006-05-16 Andreas Schwab <schwab@suse.de>
3090 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3093 2006-05-15 Roger Sayle <roger@eyesopen.com>
3096 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3097 integer constants other than zero are only legitimate on TARGET_64BIT.
3098 <CONST_VECTOR> Only zero vectors are legitimate.
3099 (ix86_cannot_force_const_mem): Integral and vector constants can
3100 always be put in the constant pool.
3102 2006-05-16 DJ Delorie <dj@redhat.com>
3104 * crtstuff.c (__dso_handle): Set section from
3105 TARGET_LBIGCC_SDATA_SECTION if defined.
3106 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3107 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3109 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3112 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3115 2006-05-16 Ben Elliston <bje@au.ibm.com>
3117 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3119 2006-05-15 Per Bothner <per@bothner.com>
3121 * tree.c: (last_annotated_node): Use source_locus typedef.
3122 This permits bootstrapping with --enable-mapped-location.
3124 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3126 PR tree-optimization/26830
3127 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3128 (info_for_ssa_name, current_info_for_ssa_name_age,
3129 blocks_to_update): New variables.
3130 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3131 (clear_ssa_name_info, initialize_flags_in_bb,
3132 mark_block_for_update): New functions.
3133 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3134 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3135 prepare_def_site_for): Use mark_block_for_update.
3136 (mark_def_interesting): Assert that the processed block is marked in
3137 blocks_to_update. Do not take blocks argument.
3138 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3140 (rewrite_update_init_block, rewrite_update_stmt): Only process
3141 blocks with statements to rewrite.
3142 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3143 (update_ssa): Initialize and free blocks_to_update. Do not
3144 clear flags on statements. Do not use blocks bitmap.
3145 * tree.h (SSA_NAME_AUX): Removed.
3146 (struct tree_ssa_name): Removed aux field.
3147 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3149 2006-05-15 Richard Guenther <rguenther@suse.de>
3151 PR tree-optimization/27603
3152 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3153 Do computations in original type.
3155 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3157 * see.c: Code style changes such as redundant paranthesis,
3158 redundant intialization of local variables etc.
3159 (see_main): Declared now as static.
3160 * doc/invoke.texi: Update that -fsee is not enabled by
3163 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3165 * omp-low.c (check_omp_nesting_restrictions): New function.
3166 (scan_omp_1): Call it.
3169 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3170 construct, return *VAR.
3172 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3174 PR rtl-optimization/27406
3175 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3178 2006-05-14 Roger Sayle <roger@eyesopen.com>
3180 PR rtl-optimization/27538
3181 * combine.c (expand_compound_operation): Call gen_lowpart
3182 before calling simplify_shift_const.
3184 2006-05-14 Roger Sayle <roger@eyesopen.com>
3186 PR rtl-optimization/22563
3187 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3188 a fixed width bitfield, always force the intermediates into psuedos.
3190 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3193 * mkconfig.sh: Use operator = instead of == for test.
3195 2006-05-13 Nick Clifton <nickc@redhat.com>
3197 * dwarf2out.c (dbx_reg_number): Check return value from
3198 LEAF_REG_REMAP and only use it if it is valid.
3199 (multiple_reg_loc_descriptor): Likewise.
3201 2006-05-13 Richard Guenther <rguenther@suse.de>
3203 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3206 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3208 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3209 information attached to non-INSNs such as NOTEs.
3210 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3212 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3214 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3216 * config/s390/s390.md: Adjust comment describing On constraint.
3218 2006-05-11 Jan Hubicka <jh@suse.cz>
3220 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3221 to be output at -O0.
3223 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3226 * fold-const.c (size_binop): Move sanity check for arguments to
3227 the beginning of the function.
3230 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3233 2006-05-11 Richard Guenther <rguenther@suse.de>
3236 * fold-const.c (fold_unary): Handle intermediate conversion
3237 to a pointer type like intermediate conversion to an integer
3238 type in folding of (T1)(T2)var to var.
3239 Match the code to the comment in the final conversion for
3240 (T1)(T2)var to (T1)var regarding to type precision. Rather
3241 than disallow T1 being of pointer type, assert that both T1
3242 and var are of pointer type or not. Make sure not to fall
3243 over the frontends lazyness wrt array to pointer decay though.
3245 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3247 * arm.c (arm_struct_value_rtx): Delete.
3248 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3249 (arm_init_cumulative_args): Always initialize nregs to zero.
3251 2006-05-10 Richard Guenther <rguenther@suse.de>
3253 PR tree-optimization/27532
3254 * tree-object-size.c (plus_expr_object_size): Fix typo.
3256 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3259 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3260 ashrdi_const, ashrdi3): Use a scratch register.
3262 2006-05-10 Richard Guenther <rguenther@suse.de>
3264 PR tree-optimization/27302
3265 * fold-const.c (operand_equal_p): For two comparisons,
3266 try comparison of one comparison code swapped if that yields
3269 2006-05-10 Ben Elliston <bje@au.ibm.com>
3271 * tree-pretty-print.c (pretty_print_string): No need to handle
3272 '\0' as a special character.
3274 * tree.h: Include "hashtab.h".
3275 (iterative_hash_expr): Use hashval_t in its prototype.
3276 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3278 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3281 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3282 (hppa*64*-*-hpux11*): Ditto.
3283 (hppa[12]*-*-hpux11*): Ditto.
3285 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3288 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3290 2006-05-09 Michael Matz <matz@suse.de>
3292 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3293 host_extra_gcc_objs and host_xmake_file.
3294 (<*-*-linux*>): Don't overwrite host_xmake_file.
3295 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3296 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3297 (host_detect_local_cpu): Declare.
3298 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3299 * config/i386/i386.c (override_options): Handle -mtune=native
3301 * config/i386/x-i386: New file.
3302 * config/i386/driver-i386.c: New file.
3303 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3306 2006-05-09 Dirk Mueller <dmueller@suse.de>
3307 Richard Guenther <rguenther@suse.de>
3310 * fold-const.c (fold_read_from_constant_string): Relax check
3311 for matching types to matching modes.
3313 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3315 PR rtl-optimization/27335
3316 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3319 2006-05-08 Chao-ying Fu <fu@mips.com>
3320 Richard Sandiford <richard@codesourcery.com>
3322 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3323 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3324 * config/mips/mips.md (UNSPEC_SCC): New constant.
3325 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3326 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3327 (mips_emit_compare): Use it.
3328 (mips_expand_vcondv2sf): New function.
3330 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3332 Fix PR tree-optimization/27093
3333 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3334 renaming when they become not-used_alone.
3336 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3338 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3339 relocation and relocation stubs.
3341 2006-05-08 Eric Christopher <echristo@apple.com>
3343 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3346 2006-05-08 Jan Hubicka <jh@suse.cz>
3349 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3350 unused static functions are needed.
3352 2006-05-08 Roger Sayle <roger@eyesopen.com>
3355 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3356 of a reg_equiv_constant if the result is a legitimate constant.
3358 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3361 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3362 standard 80387 constants, raise the cost to prevent
3363 compress_float_constant() to generate load from memory.
3365 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3367 * config/arm/constraints.md (c): Fix a typo.
3369 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3372 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3375 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3377 (_mm_mwait): Likewise.
3379 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3381 (sse3_monitor): Make it 32bit only.
3382 (sse3_monitor64): New. 64bit monitor.
3384 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3387 * config/i386/i386.c (classify_argument): Skip fields with invalid
3390 2006-05-07 Richard Guenther <rguenther@suse.de>
3392 PR tree-optimization/27409
3393 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3394 Do not try to find zero-sized subvars.
3396 2006-05-07 Richard Guenther <rguenther@suse.de>
3398 PR tree-optimization/27136
3399 * tree-ssa-loop-niter.c (get_val_for): Correct function
3400 comment, assert requirements.
3401 (loop_niter_by_eval): Stop processing if the iterated
3402 value did not simplify.
3404 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3406 * opts.c (flag_see): remove its setting at -O3.
3408 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3410 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3411 * arm/constraints.md: New file.
3412 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3413 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3414 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3415 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3416 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3417 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3418 * arm.md: Include constraints.md.
3419 (thumb_movsi_insn): Use satisfies_constraint_J.
3420 (movhi, movqi): Use satisfies_constraint_I.
3422 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3424 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3425 for atmeg a645 device.
3427 2006-05-06 Richard Guenther <rguenther@suse.de>
3429 PR tree-optimization/27151
3430 * tree-vect-transform.c (vectorizable_condition): Punt on
3431 values that have a different type than the condition.
3433 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3436 * c-parser.c (c_parser_cast_expression): Only insert casts into
3437 hash table if pointer.
3438 * function.c (used_types_insert_helper): Rename from
3440 (used_types_insert): Call used_types_insert_helper.
3441 * function.h (used_types_insert): Accept only one argument.
3443 2006-05-05 David Edelsohn <edesohn@gnu.org>
3445 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3446 scratch with output modifier.
3448 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3451 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3452 with output modifier.
3454 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3457 * config/mips/mips.c (mips_symbolic_address_p): Return true
3458 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3459 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3461 2006-05-04 Richard Guenther <rguenther@suse.de>
3463 PR tree-optimization/14287
3464 PR tree-optimization/14844
3465 PR tree-optimization/19792
3466 PR tree-optimization/21608
3467 PR tree-optimization/27090
3468 * tree-ssa-pre.c (try_combine_conversion): New function.
3469 (compute_avail): After constructing the value-handle
3470 expression, use try_combine_conversion to combine NOP_EXPRs
3471 with previous value-handle expressions and use the result if it
3474 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3476 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3478 2006-05-04 Jan Hubicka <jh@suse.cz>
3481 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3483 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3485 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3486 that this only matches CONST_INTs. All users changed to VOIDmode
3489 * config/bfin/bfin.c: Include "optabs.h".
3490 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3492 (enum bfin_builtins): Add a number of fractional and vector builtins.
3493 (bfin_init_builtins): Likewise.
3494 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3495 (safe_vector_operand, bfin_expand_binop_builtin,
3496 bfin_expand_unop_builtin): New functions.
3497 (bfin_expand_builtin): Handle the new builtins.
3498 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3501 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3504 * Makefile.in (OBJS-common): Add see.o.
3505 (see.o): Add dependencies.
3506 * common.opt (fsee): New flag for the see optimization was added.
3507 * opts.c (flag_see): Initialized.
3508 * passes.c (init_optimization_passes, pass_see): New pass.
3509 * rtl.h (see_main): Declaration as extern.
3510 * timevar.def (TV_SEE): New.
3511 * tree-pass.h (pass_see): Declaration as extern.
3512 * invoke.texi (-fsee): Document.
3513 * recog.c (validate_simplify_insn): New function.
3514 * recog.h (validate_simplify_insn): Declaration as extern.
3515 * df-problems.c (df_chain_dump): Check for NULL.
3517 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3518 Daniel Berlin <dberlin@dberlin.org>
3520 * cfgrtl.c (insert_insn_bb_end_new): New function.
3521 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3523 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3525 * df.h (struct web_entry): Moved from web.c.
3526 (union_defs): Declaration as extern.
3527 (unionfind_root): Likewise.
3528 (unionfind_union): Likewise.
3529 * web.c (struct web_entry): Moved to df.h.
3530 (unionfind_root): Remove static declaration.
3531 (unionfind_union): Likewise.
3532 (union_defs): Likewise and generalize to use callback function.
3533 (web_main): Update arguments for union_defs function call.
3535 2006-05-04 Richard Guenther <rguenther@suse.de>
3537 PR tree-optimization/26447
3538 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3539 produce SSA_NAME copies before the store stmt to avoid
3540 breaking exception handling.
3542 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3545 * gimplify.c (omp_is_private): If var is shared in some outer context,
3546 return false instead of true. Stop searching on parallel context
3549 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3552 * coverage.c: Use get_gcov_unsigned_t() instead of
3553 unsigned_type_node all over.
3555 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3557 PR tree-optimization/27381
3558 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3559 maintain the same immediate_use links.
3560 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3561 node rather than segfaulting.
3563 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3566 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3567 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3568 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3570 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3572 Fix PR tree-optimization/26626
3573 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3575 * tree-ssa-operands.c (access_can_touch_variable): Allow
3576 typecasting through union pointers.
3578 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3581 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3582 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3583 to find if var will be a global variable even in the nested context.
3584 (omp_copy_decl): Only check for global variable at the end, it might
3585 be overridden in outer contexts.
3586 (scan_sharing_clauses): For global variables don't create a field.
3587 (lower_rec_input_clauses): Do nothing for global shared variables.
3588 Emit a barrier at the end of ILIST if there were any decls in both
3589 firstprivate and lastprivate clauses.
3590 (lower_send_clauses): Do nothing for global variables except for
3593 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3595 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3596 of the correct signedness is returned.
3598 2006-05-02 Jeff Law <law@redhat.com>
3600 PR tree-optimization/27364
3601 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3602 multiply expressions.
3604 2006-05-02 Tom Tromey <tromey@redhat.com>
3606 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3608 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3611 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3612 -mthumb -fPIC are used.
3614 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3615 Joshua Kinard <kumba@gentoo.org>
3618 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3619 with 64-bit pointers.
3621 2006-05-02 Paul Brook <paul@codesourcery.com>
3623 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3625 (create_fix_barrier): Check that a suitable barrier location is
3627 (arm_reorg): Include ftmp->address in allowable range of addresses.
3629 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3632 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3635 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3638 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3639 around RESULT_DECL for result passed by reference.
3640 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3641 * omp-low.c (use_pointer_for_field): Don't look at
3642 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3643 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3644 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3645 time or var for passing by reference for
3646 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3647 TREE_ADDRESSABLE variables when passing by reference.
3649 * omp-low.c (dump_omp_region): Fix output formatting.
3652 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3653 (expand_omp_parallel): Likewise.
3654 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3657 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3658 on statement list containing also constructors and destructors.
3659 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3662 * except.c (duplicate_eh_regions): Fix clearing of
3663 cfun->eh->region_array entries.
3665 2006-05-01 DJ Delorie <dj@redhat.com>
3667 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3669 (gcc_cv_objdump): Likewise.
3670 * configure: Regenerated.
3672 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3675 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3676 templates for case 3 and 4.
3678 2006-05-01 DJ Delorie <dj@redhat.com>
3680 * vec.c: Include bconfig.h when appropriate.
3681 * Makefile.in (build/vec.o): Adjust dependencies.
3682 * mkconfig.sh: Make sure config.h isn't used for build machine
3685 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3687 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3689 (mark_phi_for_rewrite): New function.
3690 (insert_phi_nodes_for, mark_use_interesting): Call
3691 mark_phi_for_rewrite.
3692 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3693 (update_ssa): Initialize and free phis_to_rewrite.
3695 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3697 PR rtl-optimization/27291
3698 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3699 folded to a constant.
3701 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3703 PR tree-optimization/27283
3704 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3705 not whole # of iteration descriptions.
3706 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3707 uses abnormal ssa name.
3708 (niter_for_single_dom_exit): Ditto.
3709 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3710 return just the number of iterations.
3712 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3714 PR tree-optimization/27144
3715 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3716 (record_estimate): Only record constant upper bound.
3717 (infer_loop_bounds_from_undefined): Call
3718 compute_estimated_nb_iterations just once.
3719 (proved_non_wrapping_p): Renamed to ...
3720 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3721 (convert_step_widening, scev_probably_wraps_p): Call
3722 n_of_executions_at_most instead of proved_non_wrapping_p.
3723 (substitute_in_loop_info): Do not replace values in bounds.
3724 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3727 2006-05-01 Richard Henderson <rth@redhat.com>
3730 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3731 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3734 2006-05-01 Roger Sayle <roger@eyesopen.com>
3736 * c-typeck.c (parser_build_binary_op): Don't call the function
3737 unsigned_conversion_warning to spot operand/result type overflow.
3738 (build_binary_op): Instead, call convert_and_check instead of
3739 convert to report the problem when the operands are promoted.
3740 * c-common.c (unsigned_conversion_warning): Make static.
3741 * c-common.h (unsigned_conversion_warning): Delete prototype.
3743 2006-05-01 Richard Guenther <rguenther@suse.de>
3745 PR tree-optimization/26726
3746 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3748 (find_interesting_uses_address): ... we work around here
3749 by folding INDIRECT_REFs in the substituted base.
3751 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3753 * omp-low.c (dump_omp_region): Add newlines.
3755 2006-04-30 Roger Sayle <roger@eyesopen.com>
3757 * common.opt (Woverflow): New command line option.
3758 * c-common.c (constant_expression_warning): Check warn_overflow.
3759 (overflow_waring): Pass OPT_Woverflow to warning.
3760 (unsigned_conversion_warning): Likewise.
3761 (convert_and_check): Likewise.
3762 * doc/invoke.texi: Document new command line option.
3764 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3766 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3767 TARGET_NO_FP_IN_TOC for section anchors.
3768 (optimization_options): Enable section anchors for all
3769 non-"Objective" languages.
3771 2006-04-28 Eric Christopher <echristo@apple.com>
3773 * config/darwin-c.c (darwin_ms_struct): Move this
3774 (darwin_set_default_type_attributes): and this...
3775 * config/darwin.c: ... here.
3776 * config/darwin.h (darwin_ms_struct): Declare.
3778 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3780 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3782 2006-04-28 Roger Sayle <roger@eyesopen.com>
3785 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3786 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3787 an unsigned HOST_WIDE_INT.
3788 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3790 (really_start_incremental_init): No need to call convert because
3791 bitsize_zero_node is already of type bitsizetype.
3792 (push_init_level): Extract the value of constructor_index as an
3793 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3794 (process_init_element): Likewise.
3796 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3798 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3799 value before passing to make_relative_prefix.
3801 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3804 * builtins.c (expand_builtin_memset): Expand val in original mode.
3806 2006-04-27 Eric Christopher <echristo@apple.com>
3808 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3809 with #ifndef/#endif.
3810 * config/darwin-c.c (darwin_ms_struct): New.
3811 (darwin_pragma_ms_struct): Ditto.
3812 (darwin_set_default_type_attributes): Ditto.
3813 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3814 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3815 Register ms_struct pragma.
3816 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3817 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3818 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3819 darwin_set_default_type_attributes if TARGET_MACHO.
3821 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3823 PR tree-optimization/26854
3824 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3825 * doc/tree-ssa.texi: Update immuse iterator documentation.
3826 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3827 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3828 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3829 first_safe_imm_use, next_safe_imm_use): Remove.
3830 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3831 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3832 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3833 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3834 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3835 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3836 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3837 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3838 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3839 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3840 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3841 (perfect_nestify): Use new iterator.
3842 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3844 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3845 (next_imm_name): New field in struct immediate_use_iterator_d.
3846 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3847 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3848 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3849 * tree-cfg.c (replace_uses_by): Use new iterator.
3850 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3851 * tree-ssa-operands.c (correct_use_link): Remove.
3852 (finalize_ssa_use_ops): No longer call correct_use_link.
3854 2006-04-27 Stuart Hastings <stuart@apple.com>
3856 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3857 * config/t-darwin (crt3.o): Use it.
3858 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3859 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3860 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3861 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3862 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3865 2006-04-27 Roger Sayle <roger@eyesopen.com>
3867 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3868 size, force the intermediate into a new pseudo rather instead of
3869 performing both a bitwise AND and a bitwise IOR in memory.
3871 2006-04-27 Richard Guenther <rguenther@suse.de>
3873 PR rtl-optimization/26685
3874 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3875 this one "max-flow-memory-locations".
3877 2006-04-27 Richard Guenther <rguenther@suse.de>
3879 PR tree-optimization/25148
3880 * tree-vrp.c (compare_values): Remove code dealing with
3881 comparisons against type min/max value. Honour overflow
3882 and negative constants in code dealing with comparisons
3883 of plus and minus expressions.
3884 (value_inside_range): Use fold_binary with LE_EXPR and
3885 GE_EXPR rather than compare_values.
3887 2006-04-27 Dirk Mueller <dmueller@suse.de>
3889 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3892 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3894 * basic-block.h (safe_insert_insn_on_edge): Removed.
3895 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3897 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3898 Paolo Bonzini <bonzini@gnu.org>
3901 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3902 (simplify_and_const_int): Same.
3904 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3906 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3908 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3911 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3912 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3913 cgraph_global_info_ready.
3916 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3919 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3920 either decl or init is error_mark_node.
3923 * tree-flow.h (struct omp_region): Add sched_kind.
3924 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3925 instead of extracting omp for data.
3926 (expand_omp_for): Save extracted sched_kind.
3928 2006-04-25 Roger Sayle <roger@eyesopen.com>
3930 * expmed.c (store_bit_field): Also check whether the bitsize is
3931 valid for the machine's "insv" instruction before moving the
3932 target into a pseudo for use with the insv.
3933 * config/i386/predicates.md (const8_operand): New predicate.
3934 * config/i386/i386.md (extv, extzv, insv): Use the new
3935 const8_operand predicate where appropriate.
3937 2006-04-25 DJ Delorie <dj@redhat.com>
3939 * doc/install.texi (Specific): Clarify that this is not a list of
3940 supported hosts or targets.
3942 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3944 PR rtl-optimization/26725
3945 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3946 block's BB_DIRTY flag.
3948 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3950 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3953 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3954 to print an integer.
3956 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3958 * varasm.c (align_variable): New function.
3959 (get_block_for_decl): Apply align_variable to DECL before
3960 calculating section information.
3961 (assemble_variable): Split out alignment computation.
3963 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3965 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3968 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3970 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3971 MODE_PARTIAL_INT mode.
3972 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3973 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3975 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3976 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3978 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3980 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3982 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3983 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3984 MACFLAG_IH): Likewise.
3985 (movstricthi_1): Renamed from "*movstricthi".
3986 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3987 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3988 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3989 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3990 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3991 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3992 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3993 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3994 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3995 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3996 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3997 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3998 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3999 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4000 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4002 * doc/rtl.texi (ss_ashift): Improve wording.
4004 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4006 * dwarf2out.c (verify_marks_clear): New.
4007 (prune_unused_types): Call verify_marks_clear initially, not
4010 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4012 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4013 * doc/rtl.texi: Document them.
4014 * simplify-rtx.c (simplify_unary_operation,
4015 simplify_binary_operation_1): Don't abort when we see them.
4017 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4020 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4021 * configure.ac: Completely disregard languages that are not
4023 * configure: Regenerated.
4025 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4026 Richard Guenther <rguenther@suse.de>
4028 PR tree-optimization/27236
4029 * tree-inline.c (copy_body_r): Make sure to copy
4030 TREE_THIS_VOLATILE flag.
4032 2006-04-24 Richard Guenther <rguenther@suse.de>
4035 * tree-complex.c (update_parameter_components): Don't handle
4036 unused parameters which have no default def.
4038 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4039 Richard Guenther <rguenther@suse.de>
4041 PR tree-optimization/27218
4042 * tree-inline.c (expand_call_inline): Strip useless type
4043 conversions for the return slot address.
4045 2006-04-24 Richard Guenther <rguenther@suse.de>
4047 * cfgloop.h (struct loops): Remove unused field array. Reorder
4049 (LOOP_PREFETCH): Remove.
4051 2006-04-24 Richard Guenther <rguenther@suse.de>
4053 PR tree-optimization/22525
4054 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4055 variable, adjust types of generated expressions.
4057 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4059 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4060 (tree-vect-patterns.o): Likewise.
4062 (cselib.o): Likewise.
4063 (loop-doloop.o): Likewise.
4064 (regclass.o): Likewise.
4065 (reload1.o): Likewise.
4066 (explow.o): Replace target.h with $(TARGET_H).
4067 (ipa-prop.o): Likewise.
4068 (ipa-cp.o): Likewise.
4069 (ipa-inline.o): Likewise.
4070 (reorg.o): Likewise.
4071 (reg-stack.o): Likewise.
4073 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4075 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4077 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4079 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4081 * configure.ac: Completely disregard languages that are not
4083 * configure: Regenerated.
4086 * c-common.h (c_build_bitfield_integer_type): Declare.
4087 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4088 * c-common.c (c_build_bitfield_integer_type): ... here.
4090 2006-04-23 Roger Sayle <roger@eyesopen.com>
4093 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4094 a SImode SUBREG of a floating point register after no_new_pseudos.
4096 2006-04-23 Roger Sayle <roger@eyesopen.com>
4098 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4099 identify potentially eliminable registers to additionally catch
4100 VIRTUAL_INCOMING_ARGS_REGNUM.
4101 (addsi3): Update the conditions on when to use addsi_small_int.
4103 2006-04-23 Roger Sayle <roger@eyesopen.com>
4106 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4107 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4108 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4110 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4112 * fold-const.c (range_predecessor): Use operand_equal_p
4113 as the predicate for equality.
4114 (range_successor): Likewise.
4116 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4119 * config/soft-fp/op-common.h: Fix a typo.
4121 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4124 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4125 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4127 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4129 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4131 * doc/tm.texi: Fix a typo.
4133 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4135 * dwarf2out.c (struct die_struct): Document that die_sib makes
4136 a circular linked list.
4137 (FOR_EACH_CHILD): New.
4138 (reverse_die_lists): Delete.
4139 (reverse_all_dies): Delete.
4140 (add_dwarf_attr): Correct documentation.
4141 (remove_child_with_prev): New.
4142 (remove_child_TAG): Update for change to die_struct, use
4143 remove_child_with_prev.
4144 (add_child_die): Update for change to die_struct.
4145 (splice_child_die): Use remove_child_with_prev and add_child_die.
4146 (print_die): Use FOR_EACH_CHILD.
4147 (die_checksum): Likewise.
4148 (assign_symbol_names): Likewise.
4149 (output_location_lists): Likewise.
4150 (build_abbrev_table): Likewise.
4151 (calc_die_sizes): Likewise.
4152 (mark_dies): Likewise.
4153 (unmark_dies): Likewise.
4154 (unmark_all_dies): Likewise.
4155 (output_die): Likewise.
4156 (prune_unused_types_mark): Likewise.
4157 (prune_unused_types_walk): Likewise.
4158 (same_die_p): Update for change to die_struct.
4159 (break_out_includes): Likewise.
4160 (prune_unused_types_prune): Likewise.
4161 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4162 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4164 (dwarf2out_finish): Don't call reverse_all_dies.
4166 2006-04-21 Eric Christopher <echristo@apple.com>
4168 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4169 in comments and function names.
4171 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4174 * c-typeck.c (digest_init): Robustify.
4176 * c-typeck.c (pop_init_level): Simplify.
4178 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4180 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4182 2006-04-21 Paul Brook <paul@codesourcery.com>
4184 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4185 hardware floating point.
4187 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4189 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4192 2006-04-21 Nick Clifton <nickc@redhat.com>
4194 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4197 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4200 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4201 C++ lang type in traceback table for Objective-C++.
4203 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4205 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4207 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4209 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4212 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4213 were errors. Remove check for erroneous objects.
4215 2006-04-20 Jeff Law <law@redhat.com>
4217 PR tree-optimization/26854
4218 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4219 checking for zero or one use.
4220 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4221 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4222 * tree-ssa-reassoc.c (negate_value): Similarly.
4223 (reassociate_bb): Similarly.
4225 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4227 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4228 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4229 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4231 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4233 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4234 fp regs if the last fp arg doesn't fit in regs.
4236 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4239 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4240 that the last insn has the REG_INC note.
4242 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4243 Nathan Sidwell <nathan@codesourcery.com>
4246 * stor-layout.c (update_alignment_for_field): Do not align
4248 (place_union_field): Place union field at the start of the union.
4249 (place_field): Move ERROR_MARK check later, and use the current
4250 allocation position to maintain monotonicity.
4252 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4254 * dominance.c: Include timevar.h.
4255 (calculate_dominance_info): Use TV_DOMINANCE.
4256 * timevar.def (TV_DOMINANCE): New timevar.
4257 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4259 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4261 PR rtl-optimization/14261
4262 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4263 move would be an INSV insn.
4264 (noce_process_if_block): Don't optimize if the destination is a
4265 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4267 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4269 * config/s390/s390.md: Add comments with the instructions emitted
4270 by an insn pattern if macros are used.
4272 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4274 PR rtl-optimization/26026
4275 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4276 is a known power of two shifted left a variable amount.
4278 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4280 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4281 to hash table twice when the debug_str section has SECTION_MERGE.
4283 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4285 * config/soft-fp: New directory. From glibc.
4286 * config/soft-fp/t-softfp: New.
4287 * config/soft-fp/README: New.
4288 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4289 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4290 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4291 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4292 * config.gcc: Use rs6000/t-fprules-fpbit or
4293 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4295 * config/rs6000/sfp-machine.h: New. Based on glibc.
4296 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4298 * config/rs6000/t-fprules: Remove fp-bit rules.
4299 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4300 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4301 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4302 (softfp_wrap_start, softfp_wrap_end): New.
4304 2006-04-18 DJ Delorie <dj@redhat.com>
4306 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4308 2006-04-18 Devang Patel <dpatel@apple.com>
4310 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4312 2006-04-18 Nick Clifton <nickc@redhat.com>
4314 * config/sh/t-symbian: Add rule to build sh-c.o
4315 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4316 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4317 (sh_symbian_encode_section_info): Likewise.
4319 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4321 * builtins.c (expand_builtin_strcmp): Cover label definition of
4322 do_libcall with HAVE_cmpstrnsi.
4324 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4326 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4328 * function.h (temp_slot_p): New.
4329 (function): Change the type of x_used_temp_slots to
4330 VEC(temp_slot_p,gc) *.
4332 2006-04-18 Nick Clifton <nickc@redhat.com>
4334 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4335 flag_strength_reduce.
4337 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4339 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4343 Partial revert of revision 112637
4344 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4345 Dale Johannesen <dalej@apple.com>
4348 * regclass.c (struct reg_pref): Update documentation.
4349 (regclass): Set prefclass to NO_REGS if memory is the best option.
4350 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4352 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4354 PR tree-optimization/26821
4355 * tree-ssa-math-opts.c (get_constant_one): New.
4356 (insert_reciprocals): Use it.
4358 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4360 * dwarf2out.c (free_AT): Delete.
4361 (remove_AT): Update string ref counts.
4362 (remove_child_TAG): Don't call free_die.
4364 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4365 or DW_TAG_GNU_EINCL.
4366 (prune_unused_types_walk_attribs): Reset string refcounts.
4367 (prune_unused_types_update_strings): New.
4368 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4369 call free_die. Do call prune_unused_types_update_strings.
4370 (prune_unused_types): Empty debug_str_hash.
4372 2006-04-17 Roger Sayle <roger@eyesopen.com>
4374 * expr.c (expand_assignment): Optimize away no-op moves where the
4375 source and destination are equal and have no side-effects.
4377 2006-04-17 Richard Guenther <rguenther@suse.de>
4380 * reload.c (push_reload): Guard calls to get_secondary_mem
4383 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4385 * alias.c (reg_base_value, old_reg_base_value): Change the
4386 type to VEC(rtx,gc) *.
4387 (REG_BASE_VALUE, find_base_value, record_set,
4388 init_alias_analysis): Use VEC instead of VARRAY.
4390 * alias.c (alias_sets): Change the type to
4391 VEC(alias_set_entry,gc) *.
4392 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4393 VEC instead of VARRAY.
4394 (last_alias_set): Remove.
4396 * cgraph.h (cgraph_edge_p): New.
4397 Update the prototype of cgraph_function_versioning.
4398 * cgraphunit.c (cgraph_copy_node_for_versioning,
4399 cgraph_function_versioning): Use VEC instead of VARRAY.
4400 * ipa-cp.c (ipcp_insert_stage): Likewise.
4402 2006-04-16 Roger Sayle <roger@eyesopen.com>
4405 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4406 "A op B" or "A op C", we may need to convert A to the type of B and C.
4408 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4410 * target.h (struct gcc_target): Add mode_rep_extended.
4411 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4412 (init_num_sign_bit_copies_in_rep): Initialize it using
4414 (truncate_to_mode): Use it.
4415 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4416 * targhooks.h (default_mode_rep_extended): Declare it.
4417 * targhooks.c (default_mode_rep_extended): Define it.
4418 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4419 default_mode_rep_extended.
4420 (TARGET_INITIALIZER): Include it.
4421 * doc/tm.texi (Misc): Document it.
4422 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4423 (mips_truncated_to_mode): New function.
4425 2006-04-16 Roger Sayle <roger@eyesopen.com>
4428 * expr.c (compress_float_constant): Copy the narrow constant into
4429 a new pseudo before extending it to its final width.
4431 2006-04-16 Roger Sayle <roger@eyesopen.com>
4432 Andrew Pinski <pinskia@gcc.gnu.org>
4433 Dale Johannesen <dalej@apple.com>
4436 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4437 special case code to implement V8HImode and V16QImode with SSE2.
4439 2006-04-15 Roger Sayle <roger@eyesopen.com>
4441 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4442 trees are constructed with a suitable tree type.
4444 2006-04-15 Roger Sayle <roger@eyesopen.com>
4446 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4447 (integer_onep): Likewise.
4448 (integer_all_onesp): Likewise.
4449 (integer_pow2p): Likewise.
4450 (integer_nonzerop): Likewise.
4451 (real_zerop): Likewise.
4452 (real_onep): Likewise.
4453 (real_twop): Likewise.
4454 (real_minus_onep): Likewise.
4455 (int_size_in_bytes): Likewise.
4456 (host_integerp): Likewise.
4458 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4460 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4461 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4462 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4464 * tree-ssa-structalias.h (alias_info): Remove num_references.
4466 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4468 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4469 (output_bvb patterns): Likewise.
4470 * pa.c (output_bb): Use 'bb' insn for long branch case.
4471 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4472 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4473 1. Correct length operand for alternatives 1 and 2.
4474 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4475 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4477 2006-04-14 Roger Sayle <roger@eyesopen.com>
4479 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4480 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4481 were accidentally reverted by r112959.
4483 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4486 * except.h (eh_region_outermost): New prototype.
4487 * except.c (eh_region_outermost): New function.
4488 * tree-cfg.c (find_outermost_region_in_block): Use it.
4490 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4492 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4494 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4495 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4496 (init_reload, reload): Use VEC instead of VARRAY.
4497 * reload.h: Update the prototype for
4498 reg_equiv_memory_loc_varray.
4500 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4501 Eric Botcazou <ebotcazou@libertysurf.fr>
4503 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4506 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4509 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4510 to expand fallback builtin function call.
4512 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4515 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4516 and emit libcall here in case the builtin fails.
4517 (expand_builtin_strcmp): Always emit the libcall here on failure.
4519 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4521 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4522 * flow.c (reg_n_info): Change the type to
4523 VEC(reg_info_p,heap) *.
4524 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4526 * regs.h (reg_info_p): New.
4527 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4528 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4529 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4532 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4534 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4536 * params.h (MAX_SCHED_READY_INSNS): New macro.
4537 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4538 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4539 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4540 the ready list for 1 cycle during the first scheduling pass.
4541 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4543 2006-04-13 Richard Henderson <rth@redhat.com>
4546 * gimple-low.c (lower_omp_directive): Remove dead code.
4547 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4548 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4549 * omp-low.c (struct omp_region): Move to tree-flow.h.
4550 (root_omp_region): Export.
4551 (omp_regions, lookup_omp_region): Remove.
4552 (determine_parallel_type): Update for struct omp_region changes.
4553 (dump_omp_region): Dump regions with block numbers.
4554 (new_omp_region): Take type and block instead of stmt; malloc
4556 (free_omp_region_1, free_omp_regions): New.
4557 (expand_parallel_call): Take entry_stmt as argument; update for
4558 changes to omp_region.
4559 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4560 (remove_exit_barriers): New.
4561 (expand_omp_parallel): Update for struct omp_region changes.
4562 (expand_omp_synch): Likewise.
4563 (expand_omp): Likewise.
4564 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4565 (expand_omp_for_static_chunk): Likewise.
4566 (expand_omp_for): Likewise.
4567 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4568 (expand_omp_sections): Similarly, with GOMP_sections_end.
4569 (expand_omp_single): New.
4570 (build_omp_regions_1): Update for OMP_CONTINUE.
4571 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4572 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4573 OMP_SECTIONS_SECTIONS.
4574 (lower_omp_single_simple): Don't emit barrier here.
4575 (lower_omp_single_copy): Likewise.
4576 (lower_omp_single): Fix bindings, and lower to straightline now.
4577 (lower_omp_master, lower_omp_ordered): Likewise.
4578 (lower_omp_critical): Likewise.
4579 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4580 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4581 omp edges, free it afterward.
4582 (make_omp_sections_edges): Remove.
4583 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4584 (move_stmt_r): Handle OMP_CONTINUE.
4585 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4586 statement pointers to basic blocks. Add type member.
4587 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4588 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4589 * tree-inline.c (estimate_num_insns_1): Likewise.
4590 * tree-pretty-print.c (dump_generic_node): Likewise.
4591 * tree-ssa-operands.c (get_expr_operands): Likewise.
4592 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4593 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4594 (OMP_CONTINUE): New.
4595 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4596 (OMP_SECTIONS_SECTIONS): Remove.
4597 (OMP_SECTION_LAST): New.
4598 (OMP_RETURN_NOWAIT): New.
4600 2006-04-13 Roger Sayle <roger@eyesopen.com>
4602 * fold-const.c (native_encode_vector, native_interpret_real):
4603 Correct obvious mistakes in the previous check-in.
4605 2006-04-13 Roger Sayle <roger@eyesopen.com>
4607 * fold-const.c (native_encode_expr): New function to encode
4608 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4609 or VECTOR_CST into a specified buffer.
4610 (native_encode_int): New function.
4611 (native_encode_real): New function.
4612 (native_encode_complex): New function.
4613 (native_encode_vector): New function.
4614 (native_interpret_expr): Inverse of native_encode_expr to convert
4615 a target representation into an INTEGER_CST, REAL_CST etc...
4616 (native_interpret_int): New function.
4617 (native_interpret_real): New function.
4618 (native_interpret_complex): New function.
4619 (native_interpret_vector): New function.
4620 (fold_view_convert_expr): New function to constant fold/evaluate
4621 a VIEW_CONVERT_EXPR of a suitable constant expression.
4622 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4623 Change call of build1 to fold_build1 when constructing a
4626 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4627 Ulrich Weigand <uweigand@de.ibm.com>
4630 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4633 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4636 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4637 optimize to lo_sum for DFmode if !TARGET_FPRS.
4639 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4641 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4642 delete_alias_info, compute_flow_sensitive_aliasing,
4643 group_aliases): Use VEC instead of VARRAY.
4644 * tree-ssa-structalias.c (update_alias_info): Likewise.
4645 * tree-ssa-structalias.h (alias_info): Change the type of
4646 processed_ptrs to VEC(tree,heap) *.
4648 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4651 * config/sh/lib1funcs.h: New file, broken out of:
4652 * config/sh/lib1funcs.asm.
4653 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4655 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4656 * config/sh/lib1funcs-Os-4-200.asm: New file.
4657 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4658 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4659 (EXTRA_MULTILIB_PARTS): Include it.
4660 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4661 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4662 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4663 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4666 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4668 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4669 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4670 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4672 * tree-ssa-live.h: Include vecprim.h.
4673 (tree_partition_associator_d): Change the type of
4674 first_partition to VEC(int,heap) *.
4675 (tpa_first_partition): Use VEC instead of VARRAY.
4677 * Makefile.in (GTFILES): Move functions.h after tree.h.
4678 * function.c (reset_block_changes, record_block_change,
4679 check_block_change, free_block_changes): Use VEC instead of
4681 * function.h (function): Change the type of
4682 ib_boundaries_block to VEC(tree,gc) *.
4683 * tree-inline.c (copy_cfg_body): Initialize
4684 ib_boundaries_block to NULL instead of (varray_type) 0.
4686 2006-04-12 Roger Sayle <roger@eyesopen.com>
4688 * expr.c (emit_group_store): Correct operand order in call to
4689 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4690 a SUBREG_BYTE of zero.
4692 2006-04-12 Richard Guenther <rguenther@suse.de>
4694 * profile.c (compute_branch_probabilities): Remove code
4695 encapsulated in !ir_type (), which are remanents of the
4696 removed RTL profiling code.
4697 * rtl-profile.c: Remove.
4699 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4701 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4702 magic NULL_RTX comment.
4703 (function_arg): Store entire fp arg to mem if any part should go
4705 (rs6000_arg_partial_bytes): Adjust for above change.
4707 2006-04-11 Roger Sayle <roger@eyesopen.com>
4709 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4710 if it hasn't been initialized by dwarf2out_init.
4712 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4714 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4715 symbolic constants in branch patterns.
4717 2006-04-11 Roger Sayle <roger@eyesopen.com>
4719 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4721 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4723 PR rtl-optimization/27073
4724 * gcse.c (try_replace_reg): Revert last change. Continue to search
4725 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4728 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4730 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4731 aggregate types other than record and union types.
4732 (function_arg): Likewise.
4733 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4735 (function_value): In 64-bit mode, return objects that require it
4738 2006-04-11 Roger Sayle <roger@eyesopen.com>
4740 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4742 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4744 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4746 2006-04-03 Jeff Law <law@redhat.com>
4749 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4750 alias information too.
4752 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4754 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4756 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4759 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4760 (premark_used_types_helper): New.
4761 (premark_used_types): New.
4762 (gen_subprogram_die): Call premark_used_types.
4763 (prune_unused_types_walk): Do not prune perennial dies.
4764 * function.c (used_types_insert): New.
4765 * function.h (struct function): Add used_types_hash field.
4766 (used_types_insert): Add prototype.
4767 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4768 * c-parser.c (c_parser_cast_expression): Save casted types in used
4771 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4774 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4775 rs6000_explicit_options.float_gprs.
4777 2006-04-10 Roger Sayle <roger@eyesopen.com>
4779 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4780 from ix86_expand_vector_init_low_nonzero. Take an additional
4781 one_var argument indicating which element is non-zero. Support
4782 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4783 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4784 with one_var instead of ix86_expand_vector_init_low_nonzero.
4786 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4788 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4789 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4790 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4791 build/genextract.o): Depend on vecprim.h.
4792 * cfglayout.c, df-problems.c, function.c, genextract.c,
4793 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4794 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4798 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4800 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4801 Declare VECs of this type.
4802 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4803 (remove_children): Delete.
4804 (add_dwarf_attr): Use VEC routines.
4805 (add_AT_flag): Update for changes to add_dwarf_attr.
4806 (add_AT_int): Likewise.
4807 (add_AT_unsigned): Likewise.
4808 (add_AT_long_long): Likewise.
4809 (add_AT_vec): Likewise.
4810 (add_AT_string): Likewise.
4811 (add_AT_die_ref): Likewise.
4812 (add_AT_fde_ref): Likewise.
4813 (add_AT_loc): Likewise.
4814 (add_AT_loc_list): Likewise.
4815 (add_AT_addr): Likewise.
4816 (add_AT_lbl_id): Likewise.
4817 (add_AT_lineptr): Likewise.
4818 (add_AT_macptr): Likewise.
4819 (add_AT_offset): Likewise.
4820 (add_AT_range_list): Likewise.
4821 (get_AT): Use VEC_iterate.
4822 (remove_AT): Use VEC_ordered_remove.
4823 (free_die): Fold remove_children into here; have it use VEC_iterate.
4824 (print_die): Use VEC_iterate on attrs.
4825 (reverse_die_lists): Don't reverse attr lists.
4826 (die_checksum): Use VEC_iterate on attrs.
4827 (same_die_p): Likewise.
4828 (output_location_lists): Likewise.
4829 (build_abbrev_table): Likewise.
4830 (size_of_die): Likewise.
4831 (unmark_all_dies): Likewise.
4832 (output_abbrev_section): Likewise.
4833 (output_die): Likewise.
4834 (prune_unused_types_walk_attribs): Likewise.
4836 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4838 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4840 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4843 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4845 2006-04-09 Roger Sayle <roger@eyesopen.com>
4847 * expr.c (store_constructor): Don't bother clearing target if
4848 we're about to assign a vector to it using vec_init_optab.
4850 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4852 * tree-ssa-alias.c (lhs_may_store_to): New function.
4853 (recalculate_used_alone): Handle LHS of calls.
4855 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4859 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4860 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4861 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4862 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4863 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4864 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4865 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4866 stubs. Add ".align 8" directives before all ".dword" directives.
4867 (GTHREAD_USE_WEAK): Revise comment.
4868 (TARGET_ATTRIBUTE_WEAK): Define.
4869 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4870 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4871 * stublib.c: New file.
4876 * pa.md (cbranch patterns): Revise arguments used in calls to
4877 output_cbranch, output_bb and output_bvd. Add long branch length
4879 (fbranch patterns): Handle long branches.
4880 (jump): Revise length check. Revise arguments for output_lbranch call.
4881 Add long branch length attributes.
4882 (decrement_and_branch_until_zero): Add long branch length attributes.
4883 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4884 Likewise. Revise arguments for output_parallel_addb and
4885 output_parallel_movb calls.
4886 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4887 output_parallel_movb and output_parallel_addb): Update prototypes.
4888 * pa.c (output_cbranch): Revise arguments. Correct handling of
4889 nullification in long branches.
4890 (output_lbranch): Add new argument to control extraction of delay
4892 (output_bb): Handle long branches.
4893 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4894 output_parallel_addb): Likewise.
4896 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4898 PR rtl-optimization/27073
4899 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4902 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4904 * tree.h (tree_memory_tag): Add old_used_alone.
4905 (SMT_OLD_USED_ALONE): New macro.
4906 * tree-ssa-alias.c (recalculate_used_alone): Stop
4907 marking things for renaming unnecessarily.
4909 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4911 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4912 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4913 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4914 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4915 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4916 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4917 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4918 spelling convensions.
4919 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4920 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4921 typos. Follow spelling conventions.
4923 2006-04-07 DJ Delorie <dj@redhat.com>
4925 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4926 passed on the stack.
4927 (m32c_init_cumulative_args): When a function returns a structure,
4928 always pass the pointer to that return area on the stack.
4929 (m32c_function_arg_advance): Don't increment the parameter number
4930 if we're processing the returned structure pointer.
4931 (pushm_info): Reverse order of registers.
4933 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4935 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4936 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4937 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4938 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4940 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4941 chrec_fold_multiply): Same.
4942 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4943 force_expr_to_var_cost): Same.
4944 * tree-mudflap.c (mf_xform_derefs_1): Same.
4945 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4947 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4949 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4950 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4953 2006-04-07 Jan Hubicka <jh@suse.cz>
4955 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4957 2006-04-07 Richard Guenther <rguenther@suse.de>
4959 PR tree-optimization/26135
4960 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4961 loads for store copy-prop.
4962 (copy_prop_visit_stmt): Likewise.
4964 2006-04-05 Robert Millan <robertmh@gnu.org>
4966 * config/i386/linux.h: Add a comment to mark macros that are
4967 being overriden in config/k*bsd-gnu.h.
4968 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4970 * config/knetbsd-gnu.h: Ditto.
4972 2006-04-06 Jan Hubicka <jh@suse.cz>
4976 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4979 2006-04-06 Mike Stump <mrs@apple.com>
4981 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4982 for HAVE_nonlocal_goto to be consistent.
4983 (expand_builtin_nonlocal_goto): Likewise.
4984 (expand_builtin_strcmp): Use #ifdef instead of #if
4985 for HAVE_cmpstrnsi to be consistent.
4987 2006-04-05 DJ Delorie <dj@redhat.com>
4989 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4992 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4994 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4995 got-relative addressing for anything but SImode.
4997 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4998 even if the calling function doesn't modify them.
5000 2006-04-05 Richard Guenther <rguenther@suse.de>
5002 PR tree-optimization/26919
5003 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5004 to cgraph_estimate_size_after_inlining.
5006 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5008 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5010 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5012 PR tree-optimization/26996
5013 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5014 VECTOR_TYPE variables.
5016 2006-04-05 Richard Guenther <rguenther@suse.de>
5018 PR tree-optimization/26763
5019 * fold-const.c (fold_comparison): Move folding of
5020 PTR + CST CMP PTR + CST ...
5021 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5023 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5025 * doc/install.texi (Prerequisites): Refine some wording on
5026 bootstrapping and ksh.
5027 Move the version numbers of DejaGnu here from the testing section
5028 and fix casing of names.
5029 Fix markup and clarify wording for autogen requirements.
5030 Refer to GCJ instead of just java.
5031 Refer to SVN instead of CVS.
5032 Describe diffutils as useful instead of necessary.
5033 (Downloading the source): Refer to SVN instead of CVS.
5034 Adjust a link to our web site accordingly.
5035 (Configuration): Fix casing of Bison.
5036 (Building): Refer to SVN instead of CVS.
5037 Fix a sentence on the use of Bison and remove duplicate (and
5038 incorrect) version number of Bison requirement.
5039 Remove one redundant list of packages needed for building.
5040 (Specific): Avoid reference to CVS.
5042 2006-04-04 Eric Christopher <echristo@apple.com>
5044 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5045 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5046 (rs6000_handle_struct_attribute): New.
5047 (rs6000_ms_bitfield_layout_p): Ditto.
5049 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5051 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5052 NULL for dso parameter to atexit_common.
5054 2006-04-04 Eric Christopher <echristo@apple.com>
5056 * config/i386/i386.c (machopic_output_stub): Output \t
5057 between instructions and operands.
5059 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5061 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5062 satisfies_constraint_[IL] to explicit tests on value.
5064 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5066 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5067 set_nb_iterations_in_loop): Use build_int_cst instead of
5069 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5070 build_int_cst instead of convert.
5072 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5074 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5075 new value 2 for incoming.
5076 * function.c (expand_function_start): Call struct_value_rtx
5078 * config/sparc/sparc.md: Comment updated_return.
5079 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5080 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5081 struct return if sparc_std_struct_return and incoming is 2.
5082 (print_operand): Do not adjust return if
5083 sparc_std_struct_return.
5085 2006-04-04 Roger Sayle <roger@eyesopen.com>
5087 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5088 convert in the middle-end.
5089 * expr.c (store_expr, store_constructor, get_inner_reference,
5090 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5092 * tree.c (build_range_type): Likewise.
5094 2006-04-04 Tom Tromey <tromey@redhat.com>
5096 * doc/install.texi (Prerequisites): Mention jar.
5098 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5100 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5103 2006-04-04 Matthias Klose <doko@debian.org>
5105 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5106 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5109 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5111 * doc/extend.texi (Function Attributes): Rewrite visibility
5112 attribute documentation.
5113 * doc/invoke.texi (C++ Dialect Options): Rewrite
5114 -fvisibility-inlines-hidden documentation to describe something
5115 entirely different, although in practise compatible.
5116 (Code Gen Options): Warn about system headers in -fvisibility=
5119 * doc/extend.texi (Other Builtins): Document that
5120 __builtin_nan is a compile-time constant only when its argument
5123 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5125 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5126 trying to remove TRUNCATE check if all bits outside the new mode
5127 are identical to the sign bit.
5129 2006-04-03 Jeff Law <law@redhat.com>
5131 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5132 and operand scanning in some common cases.
5134 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5135 Dale Johannesen <dalej@apple.com>
5138 * regclass.c (struct reg_pref): Update documentation.
5139 (regclass): Set prefclass to NO_REGS if memory is the best option.
5140 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5141 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5142 into account. For non-registers, equate an empty preferred
5143 reload class to a `!' in the constraint; move the if clause to
5144 do so after those that reject the insn.
5145 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5147 (find_dummy_reload): Likewise.
5148 * doc/tm.texi (Register Classes): Document what it means
5149 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5150 * config/i386/i386.c (ix86_preferred_reload_class): Force
5151 using SSE registers (and return NO_REGS for floating-point
5152 constants) if math is done with SSE.
5153 (ix86_preferred_output_reload_class): New.
5154 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5155 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5156 * config/i386/i386.md: Remove # register preferences.
5158 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5161 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5162 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5163 the type of nb_iter.
5164 (instantiate_parameters_1): Convert the operands before calling
5165 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5166 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5168 2006-04-02 Roger Sayle <roger@eyesopen.com>
5170 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5171 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5173 * dojump.c (do_jump): Likewise.
5174 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5175 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5176 gimplify_boolean_expr): Likewise.
5177 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5178 * varasm.c (array_size_for_constructor): Likewise.
5179 * tree-object-size.c (compute_object_offset): Likewise.
5181 2006-04-02 Roger Sayle <roger@eyesopen.com>
5184 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5185 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5187 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5189 PR tree-optimization/26939
5190 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5192 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5194 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5195 at_stmt. Convert the type of operands before calling
5196 build_polynomial_chrec.
5197 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5199 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5200 (instantiate_parameters_1): Convert the type of operands before calling
5201 build_polynomial_chrec.
5202 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5203 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5204 reset_evolution_in_loop): Insert asserts to check the types of the
5206 (chrec_type): Moved...
5207 (eq_evolutions_p): Use operand_equal_p.
5208 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5209 the types of the operands.
5210 (chrec_type): ...here.
5211 * tree-data-ref.c (create_data_ref): Convert the operands before
5212 calling chrec_replace_initial_condition.
5213 (same_access_functions, analyze_subscript_affine_affine,
5214 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5215 (compute_subscript_distance, analyze_ziv_subscript,
5216 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5217 analyze_miv_subscript): Convert the operands before calling
5218 chrec_fold_minus or chrec_fold_plus.
5220 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5222 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5223 the dependence_relations vector.
5224 (compute_data_dependences_for_loop): Adjust call to
5225 compute_all_dependences.
5227 2006-04-01 Roger Sayle <roger@eyesopen.com>
5228 Richard Henderson <rth@redhat.com>
5230 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5231 gimple_boolify on the condition before calling gimplify_expr.
5233 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5235 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5236 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5237 the frame size. Update to use the new macros.
5238 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5239 * config/xtensa/ieee754-df.S: Likewise.
5241 2006-03-31 Richard Henderson <rth@redhat.com>
5243 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5244 (make_edges): ... here. Control fallthru creation with a local
5245 variable. Do not play with fake edges.
5246 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5247 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5250 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5252 * dwarf2.h (DW64_CIE_ID): Define.
5253 * dwarf2out.c (DWARF_CIE_ID): Define.
5254 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5255 length header. Use DWARF_CIE_ID.
5256 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5257 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5259 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5261 * config/sh/linux-atomic.asm: New file.
5262 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5264 2006-03-31 DJ Delorie <dj@redhat.com>
5266 * config/m32c/cond.md: Set condition flags properly throughout.
5267 * config/m32c/minmax.md: Likewise.
5268 * config/m32c/prologue.md: Likewise.
5269 * config/m32c/bitops.md: Likewise.
5270 * config/m32c/muldiv.md: Likewise.
5271 * config/m32c/mov.md: Likewise.
5272 * config/m32c/addsub.md: Likewise.
5273 * config/m32c/m32c.md: Likewise.
5274 * config/m32c/jump.md: Likewise.
5275 * config/m32c/shift.md: Likewise.
5277 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5278 conditionally output the pattern for this.
5279 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5280 (m32c_compare_redundant): New.
5281 (m32c_output_compare): New.
5282 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5284 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5285 dest, not src. Allow other 4-byte modes.
5287 2006-03-30 Denis Chertykov <denisc@overta.ru>
5289 * doc/md.texi: Refer to avr/constraints.md instead of
5292 2006-03-30 Roger Sayle <roger@eyesopen.com>
5294 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5295 signed vs. unsigned comparison failures on some hosts.
5297 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5300 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5301 change to FLOAT_REGS.
5303 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5304 (rs6000_override_options): Use it.
5305 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5306 only for -mabi=spe/no-spe and -mabi=altivec.
5308 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5310 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5313 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5315 * Makefile.in: Rename docdir to gcc_docdir.
5317 2006-03-30 Roger Sayle <roger@eyesopen.com>
5320 * expr.c (emit_group_store): Optimize group stores into a pseudo
5321 register by using a paradoxical subreg to initialize the destination
5322 if the first or last member of the group specifies a "low part".
5324 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5327 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5328 * target.h (struct gcc_target.speculate_insn): Change type of the
5329 second parameter to 'int'.
5330 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5331 the second operand of the DEPS_LIST.
5332 (copy_DEPS_LIST_list): Update reference to the second operand of the
5334 * rtl.h (alloc_DEPS_LIST): Update signature.
5335 * sched-int.h (ds_t): Change typedef to 'int'.
5336 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5338 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5340 * haifa-sched.c (try_ready): Change condition to restore
5341 non-speculative pattern of the instruction.
5342 (process_insn_depend_be_in_spec): Code to keep probability of the
5343 speculative dependence non-decreasing.
5345 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5347 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5348 (single_move_for_movmem): ... this. Also change all uses.
5349 (bfin_expand_strmov): Renamed to...
5350 (bfin_expand_movmem): ... this. Also change all uses.
5351 * config/bfin/bfin.md (movstrsi): Renamed to...
5352 (movstrsi): ...this.
5354 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5356 PR tree-optimization/26830
5358 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5359 (copy_prop_visit_stmt): Remove write-only variable ann.
5360 (init_copy_prop): Check variable loop depth here. Do not simulate
5361 memory-tag and virtual operand PHIs except for store copy prop.
5363 2006-03-30 Richard Guenther <rguenther@suse.de>
5365 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5366 variants with double arguments.
5368 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5370 * genpreds.c (write_tm_constrs_h): Delete variable p.
5371 * genconditions.c (write_header): Add tm-constrs.h to included
5373 * genpeep.c (main): Add toplev.h to included headers.
5374 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5375 (build/genpeep.o): Add toplev.h dependency.
5376 * config/rs6000/constraints.md: Add "W" constraint.
5378 2006-03-29 Roger Sayle <roger@eyesopen.com>
5380 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5381 sizes by correctly testing whether the size fits a host integer.
5382 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5383 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5384 SImode range for the default sizetype and bitsizetype.
5386 2006-03-29 Roger Sayle <roger@eyesopen.com>
5388 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5389 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5390 quickly if the argument is already of the correct type.
5391 Call fold_build1 instead of build1. Tidy up blank lines.
5393 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5395 * genemit.c (main): Add tm-constrs.h to included headers.
5396 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5397 * genpeep.c (main): Add tm-constrs.h to included headers.
5398 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5399 (write_tm_constrs_h): this and write complete file.
5400 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5401 (write_insn_preds_c): Add tm-constrs.h to included headers.
5402 (gen_constrs): New variable.
5403 (parse_option): Parse "-c".
5404 (main): Invoke write_tm_constrs_h.
5405 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5406 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5407 (object_out_file): Add tm-constrs.h dependency.
5408 (insn-emit.o): Same.
5409 (insn-output.o): Same.
5410 (insn-peep.o): Same.
5411 (insn-preds.o): Same.
5412 (insn-recog.o): Same.
5413 (tm-constsr.h): New target.
5414 (s-constrs-h): New target.
5416 * config/rs6000/constraints.md: New file.
5417 * config/rs6000/rs6000.c: Include tm-constrs.h.
5418 (num_insn_constant_wide): Convert to satisfies_constraint.
5419 (rs6000_rtx_costs): Convert to satisfies_constraint.
5420 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5421 (CONST_OK_FOR_LETTER_P): Delete.
5422 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5423 (EXTRA_CONSTRAINT): Delete.
5424 (EXTRA_MEMORY_CONSTRAINT): Delete.
5425 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5426 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5427 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5428 satisfies_constraint.
5430 * config/i386/i386.c: Include tm-constrs.h.
5432 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5434 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5435 * tree-data-ref.c (find_data_references_in_loop,
5436 compute_data_dependences_for_loop): Use pointers to VEC.
5437 (analyze_all_data_dependences): Adjust calls.
5438 * tree-data-ref.h (find_data_references_in_loop,
5439 compute_data_dependences_for_loop): Adjust declarations.
5440 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5441 compute_data_dependences_for_loop.
5443 2006-03-29 Paul Brook <paul@codesourcery.com>
5445 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5448 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5450 PR tree-optimization/26859
5451 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5453 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5454 for the step after fold_convert.
5456 2006-03-29 Paul Brook <paul@codesourcery.com>
5458 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5459 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5461 2006-03-29 Paul Brook <paul@codesourcery.com>
5464 * targhooks.c (default_narrow_bitfield): New fuction.
5465 * targhooks.h (default_narrow_bitfield): add prototype.
5466 * target.h (gcc_target): Add narrow_volatile_bitfield.
5467 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5468 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5469 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5470 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5472 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5474 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5476 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5477 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5478 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5479 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5480 (s390_function_arg_float): Allow SDmode and DDmode values to be
5481 passed in floating point registers.
5482 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5483 check with SCALAR_FLOAT_MODE_P.
5484 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5486 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5488 PR tree-optimization/25985
5489 * tree-ssa-loop-niter.c (number_of_iterations_le,
5490 number_of_iterations_ne): Make comments more precise.
5491 (number_of_iterations_cond): Add only_exit argument. Use the
5492 fact that signed variables do not overflow only when only_exit
5494 (loop_only_exit_p): New.
5495 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5496 number_of_iterations_cond.
5498 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5500 PR tree-optimization/26643
5501 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5504 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5506 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5507 (divsi3_i4_int): Likewise.
5509 2006-03-28 Roger Sayle <roger@eyesopen.com>
5511 * expr.c (emit_group_store): Only create a new pseudo reg if the
5512 quantity it needs to hold isn't already a suitable pseudo.
5514 2006-03-28 Jeff Law <law@redhat.com>
5516 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5517 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5519 2006-03-28 Roger Sayle <roger@eyesopen.com>
5521 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5522 the equivalent ~X & Y, and the symmetry related transformations.
5523 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5524 ~X & Y, and symmetry related transforms.
5526 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5528 Revert my 2006-03-27 patches.
5530 2006-03-28 Roger Sayle <roger@eyesopen.com>
5532 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5533 ~(T1)X, when T1 and T2 are integer types of the same precision
5534 and (T2)X isn't an extension.
5536 2006-03-28 Jeff Law <law@redhat.com>
5538 PR tree-optimization/26796
5539 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5540 need EH edge cleanups rather than purging them immediately.
5541 (eliminate_degenerate_phis): Handle queued EH cleanups.
5543 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5545 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5548 2006-03-27 Roger Sayle <roger@eyesopen.com>
5551 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5552 cast BIT_NOT_EXPR operand to the correct type.
5554 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5556 * tree-loop-linear.c: Don't include varray.h.
5557 (gather_interchange_stats, try_interchange_loops,
5558 linear_transform_loops): Use VEC instead of VARRAY.
5559 * lambda-mat.c: Don't include varray.h.
5560 * tree-chrec.c: Same.
5561 * lambda-trans.c: Same.
5562 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5563 VEC instead of VARRAY.
5564 * tree-vectorizer.h: Idem.
5565 * tree-data-ref.c (dump_data_references,
5566 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5567 initialize_data_dependence_relation, finalize_ddr_dependent,
5568 compute_all_dependences, find_data_references_in_loop,
5569 compute_data_dependences_for_loop, analyze_all_data_dependences,
5570 free_dependence_relation, free_dependence_relations,
5571 free_data_refs): Idem.
5572 * tree-data-ref.h (data_reference_p, subscript_p): New.
5573 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5574 VEC instead of VARRAY.
5575 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5576 (find_data_references_in_loop, compute_data_dependences_for_loop,
5577 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5578 dump_data_dependence_relations, free_dependence_relations,
5579 free_data_refs): Adjust declaration.
5580 (lambda_transform_legal_p): Move declaration here...
5581 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5582 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5583 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5584 vect_analyze_data_refs): Use VEC instead of VARRAY.
5585 * lambda.h (lambda_transform_legal_p): ...from here.
5586 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5587 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5588 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5589 tree-chrec.o): Don't depend on VARRAY_H.
5591 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5593 * rtl.def (Copyright): Update date.
5594 (DEPS_LIST): Change type of the second operand to 'int'.
5595 * target.h (Copyright): Update date.
5596 (struct gcc_target.speculate_insn): Change type of the second parameter
5598 * lists.c (Copyright): Update date.
5599 (alloc_DEPS_LIST): Change signature. Update reference to the second
5600 operand of the DEPS_LIST.
5601 (copy_DEPS_LIST_list): Update reference to the second operand of the
5603 * rtl.h (Copyright): Update date.
5604 (alloc_DEPS_LIST): Update signature.
5605 * sched-int.h (Copyright): Update date.
5606 (ds_t): Change typedef to 'int'.
5607 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5609 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5611 * haifa-sched.c (Copyright): Update date.
5612 (try_ready): Change condition to restore non-speculative pattern
5614 (process_insn_depend_be_in_spec): Code to keep probability of the
5615 speculative dependence non-decreasing.
5617 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5619 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5620 shut up the compiler.
5622 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5624 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5625 to use lib prefix for target.
5626 ($(T)libic_invalidate_array_4-200.a): Likewise.
5627 ($(T)libic_invalidate_array_4a.a): Likewise.
5629 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5630 J"orn Rennecke <joern.rennecke@st.com>
5632 * superh.opt: New file.
5633 * sh.c (boardtype, osruntime): Remove.
5634 * superh.h (SUBTARGET_OPTIONS): Remove.
5635 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5637 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5638 arguments with ^ and/or [].
5640 * config.gcc (sh-*-*): Add quoting to account for quirk of
5642 Replace == with = in enable_incomplete_targets test.
5644 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5645 with MASK_LITTLE_ENDIAN.
5647 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5648 * config/sh/sh.opt: Added to some comments.
5649 * config/sh/superh.h: Removed some chaff.
5651 * config/sh/sh.opt: Add m4-[1234]00* options.
5652 * config/sh/sh.c (sh_handle_option): Likewise.
5653 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5654 (ic_invalidate_array_4-100.o): New rule.
5655 ($(T)libic_invalidate_array_4-100.a): Likewise.
5656 (ic_invalidate_array_4-200.o): Likewise.
5657 ($(T)libic_invalidate_array_4-200.a): Likewise.
5658 (ic_invalidate_array_4a.o): Likewise.
5659 ($(T)libic_invalidate_array_4a.a): Likewise.
5660 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5661 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5663 * config/sh/crt1.asm: Merged in profiling code.
5664 * config/sh/superh.h (STARTFILE_SPEC): Override.
5665 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5666 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5667 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5669 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5670 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5671 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5673 * sh.opt (mpretend-cmove): New option.
5674 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5675 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5676 (movsicc): Add TARGET_PRETEND_CMOVE code.
5678 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5680 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5681 s390_class_max_nregs): New function prototypes.
5682 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5683 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5684 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5685 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5687 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5689 * dwarf2out.c (add_location_or_const_value_attribute): Call
5690 tree_add_const_value_attribute if nothing else works.
5691 (reference_to_unused): New.
5692 (rtl_for_decl_init): Use reference_to_unused to decide whether
5693 to output an initializer.
5695 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5698 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5699 peephole removing spe frob_di_df_2.
5701 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5703 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5704 (subscript_dependence_tester_1): Declared.
5705 (print_dir_vectors, print_dist_vectors): New.
5706 (debug_data_dependence_relation): New.
5707 (dump_data_dependence_relation): Print more details.
5708 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5709 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5710 (save_dist_v, save_dir_v, add_outer_distances,
5711 build_classic_dist_vector_1): New.
5712 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5713 Don't test for lambda_vector_lexico_pos.
5714 (same_access_functions, add_multivariate_self_dist,
5715 add_other_self_distances, dir_from_dist): New.
5716 (build_classic_dir_vector): Replace implementation almost identical to
5717 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5719 (subscript_dependence_tester_1): New.
5720 (subscript_dependence_tester): Handle the lexicographically negative
5721 distance vectors by recomputing the dependence relation.
5722 (compute_affine_dependence): Remove parameter loop_nest_depth.
5723 (compute_self_dependence): Don't call compute_subscript_distance.
5724 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5725 Add a parameter for the loop_nest.
5726 (find_loop_nest_1, find_loop_nest): New.
5727 (compute_data_dependences_for_loop): Compute the loop nest, and give
5728 up if the nest is not well formed.
5729 * tree-data-ref.h (loop_p): New.
5730 (struct data_dependence_relation): Replace size_vect field with
5731 loop_nest, a vec of loops.
5732 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5733 (DDR_LOOP_NEST): New.
5734 (print_dir_vectors, print_dist_vectors,
5735 debug_data_dependence_relation): Declared.
5736 (index_in_loop_nest): New.
5737 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5738 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5741 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5743 * simplify-rtx.c (simplify_relational_operation): Call
5744 simplify_relational_operation_1 even if mode is VOIDmode.
5746 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5748 PR tree-optimization/26804
5749 * tree.h (DECL_CALL_CLOBBERED): New macro.
5750 (tree_decl_common): Add call_clobbered_flag.
5751 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5752 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5753 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5754 (mark_non_addressable): Ditto.
5755 * tree-ssa.c (verify_call_clobbered): New function.
5756 (verify_alias_info): Use it.
5757 * tree-pass.h (pass_reset_cc_flags): New prototype.
5758 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5759 (reset_cc_flags): New function.
5760 * passes.c (init_optimization_passes): Call reset_cc_flags after
5761 initializing referenced_vars.
5763 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5764 Roger Sayle <roger@eyesopen.com>
5767 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5768 to 1.0 for non-real operands. Implement A / A optimization for
5771 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5773 * config/i386/i386.c (size_cost): Correct the comment for
5774 cost of storing fp registers.
5775 (i386_cost): Likewise.
5776 (i486_cost): Likewise.
5777 (pentium_cost): Likewise.
5778 (pentiumpro_cost): Likewise.
5779 (k6_cost): Likewise.
5780 (athlon_cost): Likewise.
5781 (k8_cost): Likewise.
5782 (pentium4_cost): Likewise.
5783 (nocona_cost): Likewise.
5784 (generic64_cost): Likewise.
5785 (generic32_cost): Likewise.
5787 2006-03-24 Denis Chertykov <denisc@overta.ru>
5789 * config/avr/avr-protos.h (extra_constraint): Delete.
5790 (extra_constraint_Q): New declaration.
5791 * config/avr/constraints.md: New file.
5792 * config/avr/avr.md: Include it.
5793 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5794 (TMP_REGNO, ZERO_REGNO): Likewise.
5795 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5796 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5797 (extra_constraint): Delete.
5798 (extra_constraint_Q): Test for memory constraint 'Q'.
5799 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5800 (REG_CLASS_FROM_LETTER): Delete.
5801 (CONST_OK_FOR_LETTER_P): Delete.
5802 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5803 (EXTRA_CONSTRAINT): Delete.
5804 (TMP_REGNO): Delete.
5805 (ZERO_REGNO): Delete.
5807 2006-03-24 Jeff Law <law@redhat.com>
5809 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5810 directly. Call mark_new_vars_to_rename slightly earlier.
5812 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5814 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5816 (gen_compile_unit_die): Use new language types for Objective-C and
5818 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5819 DW_LANG_C_plus_plus.
5822 * config/t-darwin (crt3.o): Work around bug 26840.
5823 * config/darwin-crt3.c: Rewrite.
5824 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5826 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5828 * doc/invoke.texi: Document -femit-class-debug-always
5829 * common.opt: Add -femit-class-debug-always.
5831 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5833 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5834 index and base register.
5835 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5836 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5837 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5838 REGNO_OK_FOR_INDEX_P.
5839 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5841 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5842 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5843 REG_OK_FOR_BASE_P): Definitions removed.
5845 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5848 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5849 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5850 set yet or weren't marked as local yet.
5852 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5854 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5857 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5859 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5860 (rs6000_legitimate_small_data_p): Delete.
5861 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5862 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5863 and make static. Add forward declaration. Update uses.
5864 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5865 of offsettable_memref_p.
5866 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5867 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5869 2006-03-24 Jeff Law <law@redhat.com>
5871 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5872 around bug in immediate-use iterator.
5874 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5877 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5878 or __LITTLE_ENDIAN__.
5880 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5882 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5883 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5884 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5885 * config/sh/sh.opt (mdiv=): Amend description.
5886 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5887 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5888 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5889 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5890 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5891 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5892 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5893 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5894 TARGET_DIVIDE_CALL_FP.
5896 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5898 * haifa-sched.c (choose_ready): Fix type of the local variable.
5899 Move local variables. Add comment.
5900 (check_reg_live): Change signature. Make callable from debugger.
5901 * sched-int.h (check_reg_live): Update signature.
5902 * sched-ebb.c (check_reg_live): Update parameters.
5903 * sched-rgn.c (check_reg_live): Ditto.
5904 (region_head_or_leaf_p): Check pointer before dereferencing.
5905 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5906 before reload on optimization levels below 1.
5908 2006-03-23 Richard Henderson <rth@redhat.com>
5910 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5914 * config/alpha/predicates.md (local_symbolic_operand): Reject
5917 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5920 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5921 expressions which have overflowed constants.
5923 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5925 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5927 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5929 * cfgloopmanip.c (create_loop_notes): Removed.
5930 * final.c (final_scan_insn): Do not handle loop notes.
5931 * jump.c (squeeze_notes): Ditto.
5932 * cfglayout.c (skip_insns_after_block,
5933 duplicate_insn_chain): Ditto.
5934 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5936 * cfgloop.h (create_loop_notes): Declaration removed.
5938 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5940 * varasm.c (output_constant_pool): Restore fnname and fndecl
5942 (assemble_start_function): Adjust call accordingly.
5943 (assemble_end_function): Likewise.
5945 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5948 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5951 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5953 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5956 * system.h (ICE_EXIT_CODE): New macro.
5957 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5958 (diagnostic_action_after_output): Likewise.
5959 * gcc.c (fatal_ice): New function.
5960 (execute): Use it instead of fatal.
5961 (fancy_abort): Likewise.
5962 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5964 2006-03-22 Jeff Law <law@redhat.com>
5966 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5967 iv_analyze_result returning false.
5969 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5971 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5973 2006-03-22 Richard Henderson <rth@redhat.com>
5976 * except.c (duplicate_eh_regions_0): New.
5977 (duplicate_eh_region_1): Duplicate the children of the node as
5978 well as the node itself. Link them up properly.
5979 (duplicate_eh_region_2): Merge into ...
5980 (duplicate_eh_regions): ... here. Take copy_region argument, and
5981 copy only a sub-tree if asked. Simplify copying and fixup.
5982 (eh_region_outer_p): New.
5983 * except.h (duplicate_eh_regions): Update decl.
5984 (eh_region_outer_p): Declare.
5985 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5986 (lower_omp_master): Likewise.
5987 (lower_omp_ordered): Likewise.
5988 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5989 (move_stmt_r): Use it to remap labels. Handle recursion vs
5990 remap_decls_p properly.
5991 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5992 (find_outermost_region_in_block): New.
5993 (new_label_mapper): New.
5994 (move_sese_region_to_fn): Copy eh information to the new function
5996 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5998 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6001 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6003 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6004 into shared libraries.
6006 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6008 * doc/md.texi: Refer to i386/constraints.md instead of
6010 * config/i386/constraints.md: New file, extracted from...
6011 * config/i386/predicates.md: ...here.
6012 * config/i386/i386.md: Include constraints.md.
6014 2006-03-21 Jason Merrill <jason@redhat.com>
6016 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6019 * expr.c (init_block_move_fn): Force default visibility.
6020 (init_block_clear_fn): Likewise.
6021 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6022 * targhooks.c (default_external_stack_protect_fail): Likewise.
6024 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6026 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6027 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6028 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6029 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6030 (loadgp): Use mips_current_loadgp_style.
6031 (loadgp_noshared): New pattern.
6032 (sibcall_internal): Use MIPS_CALL.
6033 (sibcall_value_internal): Likewise.
6034 (sibcall_value_multiple_internal): Likewise.
6035 (call_internal): Likewise.
6036 (call_value_internal): Likewise.
6037 (call_value_multiple_internal): Likewise.
6038 (call_split): Use MIPS_CALL and add an 'S' constraint.
6039 (call_value_split): Likewise.
6040 (call_value_multiple_split): Likewise.
6041 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6042 (-mshared): New option.
6043 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6044 (mips_current_loadgp_style): Declare.
6045 * config/mips/mips.c (mips_classify_symbol): Avoid using
6046 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6047 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6048 TARGET_ABSOLUTE_ABICALLS.
6049 (override_options): Adjust comments. Improve the warning that is
6050 issued when -mabicalls and -G are used together.
6051 (mips_file_start): Remove comment.
6052 (mips_current_loadgp_style): New function.
6053 (mips_gnu_local_gp): New variable.
6054 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6056 (mips_output_function_prologue): Use mips_current_laodgp_style.
6057 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6058 the cprestore instruction.
6059 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6060 live for TARGET_ABSOLUTE_ABICALLS.
6061 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6062 (ASM_SPEC): Pass down -mshared and -mno-shared.
6063 (MIPS_CALL): New macro.
6064 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6066 * doc/invoke.texi (-mabicalls): Update documentation.
6067 (-mshared): Document.
6069 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6071 * config/ia64/unwind-hpux.c: New file.
6072 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6074 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6077 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6079 2006-03-21 Jeff Law <law@redhat.com>
6081 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6082 type conversions of a VR_VARYING source to a wider type.
6084 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6086 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6087 tm_file on Solaris 10 and later.
6088 (sparc64-*-solaris2*): Likewise.
6089 (sparc-*-solaris2*): Likewise.
6090 * config/sol26.h: Rename to config/sol2-6.h.
6091 * config/sol2-10.h: New file.
6093 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6096 * tree-ssa-pre.c (create_component_ref_by_pieces):
6099 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6102 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6103 return it immediately.
6105 2006-03-21 Michael Matz <matz@suse.de>
6107 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6109 (remove_arc, add_arc): Update num_out_arcs member.
6110 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6112 (cache_presence): New function.
6113 (compare_states_for_equiv): New function.
6114 (state_is_differed): Don't take number of outargs, adjust callers.
6115 Use new invariant for speeding up.
6116 (init_equiv_class): Create initial classes based on sorted
6118 (partition_equiv_class): Don't track out_arcs_num.
6119 (evaluate_equiv_classes): Call cache_presence on all states and
6122 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6124 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6125 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6126 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6127 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6129 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6130 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6131 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6132 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6133 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6135 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6136 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6137 (REGNO_REG_CLASS): ARGP is in PREGS.
6138 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6140 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6141 to deal with those addresses.
6142 * addresses.h: New file.
6143 * caller-save.c: Include "addresses.h".
6144 (init_caller_save): Use new base_reg_class function.
6145 * rtl-factoring.c: Include "addresses.h".
6146 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6147 * recog.c: Include "addresses.h".
6148 (preprocess_constraints): Use new base_reg_class function.
6149 * regrename.c: Include "addresses.h".
6150 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6151 functions. Keep track of a new var INDEX_CODE to compute valid
6153 (replace_oldest_value_addr): Likewise.
6154 (replace_oldest_value_mem): Use base_reg_class.
6155 * reload.c: Include "addresses.h".
6156 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6157 (find_reloads): Use new base_reg_class function.
6158 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6159 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6160 all callers and prototype changed.
6161 * reload1.c: Include "addresses.h".
6162 (maybe_fix_stack_asms): Use base_reg_class.
6163 * regclass.c: Include "addresses.h".
6164 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6165 (init_reg_autoinc): Use new base_reg_class function.
6166 (record_reg_classes): Likewise.
6167 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6168 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6169 Use new args to compute necessary class.
6171 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6172 regrename.o, rtl-factoring.o): Update dependencies.
6173 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6174 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6175 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6176 REG_OK_FOR_INDEX_P): Delete documentation.
6178 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6180 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6181 from V7 to V9 for Solaris 7 and above.
6183 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6185 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6186 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6187 argument pointers may not alias any other storage.
6188 * common.opt: Define option -fargument-noalias-anything.
6189 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6190 alias semantics is specified by flag_argument_noalias > 2.
6192 2006-03-20 Jeff Law <law@redhat.com>
6194 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6195 (pass_phi_only_cprop): Declare.
6196 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6198 * tree-ssa-dom.c (degenerate_phi_result): New function.
6199 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6200 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6201 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6202 (eliminate_degenerate_phis): Likewise.
6203 (pass_phi_only_cprop): New pass descriptor.
6204 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6205 support code. Callers updated.
6206 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6207 (store_copy_prop): Likewise.
6208 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6210 2006-03-20 Jason Merrill <jason@redhat.com>
6213 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6214 (push_visibility, pop_visibility): Likewise.
6215 * c-pragma.h: Declare them.
6217 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6219 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6221 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6222 parameter and use get_ebb_head_tail.
6223 (sh_md_init_global): Adjust uses of find_regmode_weight.
6225 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6227 * function.h (struct function) <x_tail_recursion_reentry>:
6228 Rename to x_stack_check_probe_note.
6229 (tail_recursion_reentry): Rename to stack_check_probe_note.
6230 * function.c: Replace tail_recursion_reentry with
6231 stack_check_probe_note everywhere.
6232 (expand_function_start): Only emit a note for
6233 stack_check_probe_note with -fstack-protect.
6234 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6236 * emit-rtl.c (remove_unnecessary_notes): Remove.
6237 (pass_remove_unnecessary_notes): Remove.
6238 * rtl.h (remove_unnecessary_notes): Remove prototype.
6239 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6240 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6241 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6243 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6246 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6247 (valid_in_set): Handle ARRAY_REF.
6248 Change "if min_variant or VH" to asserts.
6249 (create_component_ref_by_pieces): Handle ARRAY_REF.
6250 (create_expression_by_pieces): Likewise.
6251 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6253 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6255 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6256 is operand of switch, not str[0].
6258 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6260 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6261 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6263 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6265 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6266 end of insn_extra_address_constraint declaration.
6268 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6270 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6271 (no-sum-in-toc): Same.
6272 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6274 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6275 NO_FP_IN_TOC for -fPIC instead of mask.
6277 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6278 (BOOT_LDFLAGS): Delete.
6280 * config/rs6000/t-aix52: Same.
6282 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6283 (stmsi[345678]_power): New.
6285 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6287 * config/ia64/ia64.opt: Add empty line to end of file.
6289 2006-03-17 Richard Guenther <rguenther@suse.de>
6292 * builtins.c (get_pointer_alignment): For component style references
6293 adjust alignment to the component type alignment. Make sure
6294 to adjust alignment for component access of constants.
6296 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6298 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6301 2006-03-17 Paul Brook <paul@codesourcery.com>
6303 * doc/install.texi: Docuemnt --with-mode.
6304 * config.gcc: Add --with-mode for arm*-*-*.
6305 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6307 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6309 * sh.c (max_labelno_before_reorg): New variable.
6310 (sh_reorg): Initialize it.
6311 (find_barrier): Check max_labelno_before_reorg before using
6312 label_to_alignment. Take length of explicit alignment insns
6313 into account. When seeing a UNSPECV_CONST_END, return it.
6315 * sh.c (fixup_mova): Set mode of affected label to QImode.
6316 (untangle_mova): New function.
6317 (find_barrier): Use it. Check mode of label before decrementing
6319 (sh_reorg): Likewise.
6320 Set mode of all insns back to VOIDmode.
6322 * sh.c (MOVA_LABELREF): New macro.
6323 (mova_p, fixup_mova, sh_reorg): Use it.
6324 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6325 ADDR_DIFF_VEC matches mova.
6327 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6329 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6330 with ATTRIBUTE_UNUSED.
6332 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6334 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6335 pointer, instead of assuming it is possible to derive the
6336 correct args size from a call insn.
6338 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6340 * rtl.h (CONST_INT_P): Define.
6341 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6342 instead of GET_CODE(x) == CONST_INT.
6343 (vax_rtx_costs): Likewise.
6344 (vax_output_int_move): Likewise.
6345 (vax_output_int_add): Likewise.
6346 (legitimate_constant_address_p): Likewise.
6347 (index_term_p): Likewise.
6348 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6349 * config/vax/vax.md (and<mode>3): Likewise.
6350 (ashrsi3): Likewise.
6352 (movstricthi): Likewise.
6353 (movstrictqi): Likewise.
6354 (rotrsi3): Likewise.
6355 (five unnamed insns): Likewise.
6357 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6359 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6360 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6361 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6362 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6363 Pass to ASM_OUTPUT_DWARF_OFFSET.
6364 * dwarf2out.c (debug_frame_section): New.
6365 (output_call_frame_info): Use debug_frame_section. Pass it to
6366 dw2_asm_output_offset.
6367 (output_die): Pass appropriate section to dw2_asm_output_offset.
6368 (output_compilation_unit_header): Likewise.
6369 (output_pubnames): Likewise.
6370 (output_aranges): Likewise.
6371 (enum dw_val_class): Break dw_val_class_lbl_offset into
6372 dw_val_class_lineptr and dw_val_class_macptr.
6373 (add_AT_lbl_offset): Delete.
6374 (add_AT_lineptr): New.
6375 (add_AT_macptr): New.
6376 (AT_lbl): Expect a lineptr or macptr.
6377 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6378 (attr_checksum): Likewise.
6379 (same_dw_val_p): Likewise.
6380 (size_of_die): Likewise.
6381 (value_format): Likewise.
6382 (output_die): Likewise.
6383 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6385 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6386 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6387 * config/darwin-protos.h (darwin_file_start): New.
6388 (darwin_asm_output_dwarf_offset): New.
6389 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6390 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6392 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6393 if not EH section; simplify.
6394 (darwin_file_start): New.
6395 (darwin_asm_output_dwarf_offset): New.
6396 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6398 (DEBUG_INFO_SECTION): Likewise.
6399 (DEBUG_ABBREV_SECTION): Likewise.
6400 (DEBUG_ARANGES_SECTION): Likewise.
6401 (DEBUG_MACINFO_SECTION): Likewise.
6402 (DEBUG_LINE_SECTION): Likewise.
6403 (DEBUG_LOC_SECTION): Likewise.
6404 (DEBUG_PUBNAMES_SECTION): Likewise.
6405 (DEBUG_STR_SECTION): Likewise.
6406 (DEBUG_RANGES_SECTION): Likewise.
6407 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6408 (ASM_OUTPUT_DWARF_OFFSET): New.
6410 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6412 * config.gcc (tm_defines): Always add to previous value rather
6415 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6417 * config/mips/predicates.md (splittable_const_int_operand): New,
6418 split from move_operand.
6419 (splittable_symbolic_operand): New.
6420 (move_operand): Add commentary. Use splittable_const_int_operand.
6421 Inline mips_atomic_symbolic_constant_p.
6422 * config/mips/mips.md: Add combine splitters for handling moves
6423 of splittable_const_int_operands and splittable_symbolic_operands.
6424 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6425 (mips_split_symbol): Declare.
6426 (mips_move_integer): Declare.
6427 * config/mips/mips.c (mips_split_p): Make global.
6428 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6429 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6430 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6431 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6432 (mips_offset_within_object_p): Handle block symbols.
6433 (mips_atomic_symbolic_constant_p): Delete.
6434 (mips_cannot_force_const_mem): Return false for constants that
6435 mips_legitimize_move can handle.
6436 (mips_use_blocks_for_constant_p): New function.
6437 (mips_split_symbol): Make global.
6438 (mips_move_integer): Likewise. Add a temporary register argument.
6439 (mips_legitimize_const_move): Use splittable_const_int_operand and
6440 splittable_symbolic_operand.
6441 (mips_use_anchors_for_symbol_p): New function.
6442 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6443 (mips_split_p): Declare.
6445 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6447 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6448 (mips*-*-linux*): Likewise.
6450 2006-03-16 Roger Sayle <roger@eyesopen.com>
6451 Daniel Speyer <dspeyer@wam.umd.edu>
6454 * tree-dump.c (dump_real): New function.
6455 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6456 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6457 (tree-dump.o): Add $(REAL_H) to the dependencies.
6459 2006-03-16 Roger Sayle <roger@eyesopen.com>
6462 * real.c (real_from_string): If the mantissa is zero, don't bother
6463 parsing the exponent as the result should always be zero.
6465 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6467 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6469 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6471 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6472 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6473 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6474 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6475 ia64_sched_finish_global): New static functions to implement
6476 hooks from gcc_target.sched.
6477 (spec_check_no, max_uid, pending_data_specs): New static variables.
6478 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6479 ia64_spec_check_src_p): New static functions.
6480 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6481 (TARGET_SCHED_ADJUST_COST): Removed.
6482 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6483 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6484 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6485 TARGET_SCHED_GEN_CHECK,
6486 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6487 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6488 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6489 Fixed to handle speculation checks.
6490 (rtx_needs_barrier): Fixed to handle speculative loads and
6492 (ia64_variable_issue): Added code to count speculative loads and their
6494 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6496 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6498 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6500 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6501 (ia64_reorg): Reset stops_p to NULL after it is freed.
6502 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6503 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6504 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6506 (data_speculative, control_speculative, check_load): New attributes.
6507 (mov<mode>_advanced, mov<mode>_speculative,
6508 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6509 zero_extend<mode>di2_speculative,
6510 zero_extend<mode>di2_speculative_advanced): New patterns for
6511 data and control speculative loads.
6512 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6514 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6515 New pattern for data and control speculation checks.
6516 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6517 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6518 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6519 Auxiliary definitions for the patterns.
6520 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6521 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6523 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6525 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6526 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6527 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6528 New resource constraints.
6529 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6531 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6532 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6533 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6534 msched-in-control-spec, msched-ldc, msched-control-ldc,
6535 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6536 msched-prefer-non-control-spec-insns,
6537 msched-count-spec-in-critical-path): New flags to tune speculative
6539 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6540 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6541 msched-in-control-spec, msched-ldc, msched-control-ldc,
6542 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6543 msched-prefer-non-control-spec-insns,
6544 msched-count-spec-in-critical-path): Document new flags.
6546 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6548 * target.h (struct spec_info_def): New opaque declaration.
6549 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6550 speculate_insn, needs_block_p, gen_check,
6551 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6552 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6553 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6554 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6555 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6556 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6558 (TARGET_SCHED): Use new macros.
6559 * rtl.h (copy_DEPS_LIST_list): New prototype.
6560 * sched-int.h (struct sched_info): Change signature of new_ready field,
6561 adjust all initializations. New fields: add_remove_insn,
6562 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6563 region_head_or_leaf_p.
6564 (struct spec_info_def): New structure declaration.
6565 (spec_info_t): New typedef.
6566 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6567 recovery_block, orig_pat.
6568 (glat_start, glat_end): New variables declaraions.
6569 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6571 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6572 DETACH_LIFE_INFO, USE_GLAT.
6573 (enum SPEC_SCHED_FLAGS): New enumeration.
6574 (NOTE_NOTE_BB_P): New macro.
6575 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6576 attach_life_info, debug_spec_status, check_reg_live): New functions.
6577 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6578 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6580 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6581 * ddg.c (get_block_head_tail): Adjust all uses.
6582 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6583 (sms_sched_info): Initialize new fields.
6584 (contributes_to_priority): Removed.
6585 * haifa-sched.c (params.h): New include.
6586 (get_block_head_tail): Adjust all uses.
6587 (ISSUE_POINTS): New macro.
6588 (glat_start, glat_end): New global variables.
6589 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6590 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6591 old_last_basic_block, before_recovery, current_sched_info_var,
6592 rgn_n_insns, luid): New static variables.
6593 (insn_cost1): New function. Move logic from insn_cost to here.
6594 (find_insn_reg_weight1): New function. Move logic from
6595 find_insn_reg_weight to here.
6596 (reemit_notes, move_insn, max_issue): Change signature.
6597 (move_insn1): Removed.
6598 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6599 extend_bb): New static functions to support extension of scheduler's
6601 (generate_recovery_code, process_insn_depend_be_in_spec,
6602 begin_speculative_block, add_to_speculative_block,
6603 init_before_recovery, create_recovery_block, create_check_block_twin,
6604 fix_recovery_deps): New static functions to support
6605 generation of recovery code.
6606 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6607 restore_bb_notes, move_block_after_check, move_succs): New static
6608 functions to support ebb scheduling.
6609 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6610 functions to support handling of register live information.
6611 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6612 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6613 add_jump_dependencies): New static functions.
6614 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6615 consistancy checking.
6616 (debug_spec_status): New function to call from debugger.
6617 (priority): Added code to handle speculation checks.
6618 (rank_for_schedule): Added code to distinguish speculative instructions.
6619 (schedule_insn): Added code to handle speculation checks.
6620 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6621 Fixed to handle ebbs.
6622 (move_insn): Added code to handle ebb scheduling.
6623 (max_issue): Added code to use ISSUE_POINTS of instructions.
6624 (choose_ready): Added code to choose between speculative and
6625 non-speculative instructions.
6626 (schedule_block): Added code to handle ebb scheduling and scheduling of
6627 speculative instructions.
6628 (sched_init): Initialize new variables.
6629 (sched_finish): Free new variables. Print statistics.
6630 (try_ready): Added code to handle speculative instructions.
6631 * lists.c (copy_DEPS_LIST_list): New function.
6632 * sched-deps.c (extend_dependency_caches): New function. Move logic
6633 from create_dependency_caches to here.
6634 (get_dep_weak, ds_merge): Make global.
6635 * genattr.c (main): Code to output prototype for
6636 dfa_clear_single_insn_cache.
6637 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6638 (output_dfa_clean_insn_cache_func): Code to output
6639 dfa_clear_single_insn_cache function.
6640 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6642 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6644 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6645 New static variables.
6646 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6647 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6649 (ebb_sched_info): Initialize new fields.
6650 (get_block_head_tail): Adjust all uses.
6651 (compute_jump_reg_dependencies): Fixed to use glat_start.
6652 (schedule_ebb): Code to remove unreachable last block.
6653 (schedule_ebbs): Added code to update register live information.
6654 * sched-rgn.c (region_sched_info): Initialize new fields.
6655 (get_block_head_tail): Adjust all uses.
6656 (last_was_jump): Removed. Adjust users.
6657 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6658 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6659 Implement new hooks.
6660 (check_dead_notes1): New static function.
6661 (struct region): New fields: dont_calc_deps, has_real_ebb.
6662 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6663 (BB_TO_BLOCK): Fixed to handle EBBs.
6664 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6665 (ebb_head): New static variable.
6666 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6667 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6669 (compute_dom_prob_ps): New assertion.
6670 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6671 global_live_at_start.
6672 (init_ready_list): New assertions.
6673 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6674 (new_ready): Add support for BEGIN_CONTROL speculation.
6675 (schedule_insns): Fixed code that updates register live information
6677 (schedule_region): Fixed to handle EBBs.
6678 (init_regions): Use extend_regions and check_dead_notes1.
6679 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6680 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6681 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6682 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6683 TARGET_SCHED_GEN_CHECK,
6684 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6685 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6686 * doc/invoke.texi (max-sched-insn-conflict-delay,
6687 sched-spec-prob-cutoff): Document.
6689 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6691 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6692 inter_tick, queue_index.
6693 (struct sched_info): Change signature of init_ready_list field.
6694 Adjust all initializations.
6695 (RESOLVED_DEPS): New access macro.
6696 (ready_add): Remove prototype.
6697 (try_ready): Add prototype.
6698 * sched-rgn.c (init_ready_list): Use try_ready.
6699 (schedule_region): Initialize
6700 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6701 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6702 (init_ready_list): Use try_ready.
6703 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6704 * lists.c (remove_list_elem): Remove `static'.
6705 (remove_free_INSN_LIST_elem): New function.
6706 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6707 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6708 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6710 (readyp): New variable.
6711 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6712 change_queue_index, resolve_dep): New static functions.
6713 (try_ready): New function. Adjust callers in sched-rgn.c and
6714 sched-ebb.c to use it instead of ready_add.
6715 (clock_var): Move at the begining of file.
6716 (rank_for_schedule): Fix typo.
6717 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6718 (ready_lastpos): Enforce assertion.
6719 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6721 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6722 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6723 (queue_to_ready): Use free_INSN_LIST_list.
6724 (early_queue_to_ready): Fix typo.
6725 (schedule_block): Init readyp. Move init_ready_list call after the
6726 initialization of clock_var. Fix error in rejecting insn by
6727 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6728 that previously corrected INSN_TICKs. Add code for handling
6730 (set_priorities): Fix typo.
6731 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6732 Clarify comment and code that keeps current_sched_info->next_tail
6735 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6737 * sched-rgn.c (extend_rgns): New static function.
6738 (find_rgns): Use it.
6739 (gather_region_statistics, print_region_statistics): New static
6741 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6742 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6744 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6745 Andrey Belevantsev <abel@ispras.ru>
6747 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6748 * lists.c (unused_deps_list): New variable.
6749 (free_list): Add assertions to verify the proper distinguishing
6750 between INSN_LISTs and DEPS_LISTs.
6751 (find_list_elem, remove_list_elem, remove_list_node): New static
6753 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6754 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6755 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6756 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6758 (free_INSN_LIST_node): Likewise.
6759 * modulo-sched.c (current_sched_info): Initialize flags field.
6760 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6761 * rtl.def (DEPS_LIST): Define.
6762 * rtl.h: Declare new functions from lists.c.
6763 * sched-deps.c (spec_dependency_cache): New static variable.
6764 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6765 (add_dependence): Change return type to void. Move the logic to ...
6766 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6767 (delete_all_dependences): Add comment about forward_dependency_cache.
6768 Handle spec_dependency_cache. Handle DEPS_LISTs.
6769 (fixup_sched_groups): Clarify the change of priority of output
6770 and anti dependencies.
6771 (sched_analyze_2): Adjust add_dependence calls to create data
6772 speculative dependence.
6773 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6774 Adjust all callers. Handle DEPS_LISTS.
6775 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6776 presence of speculation.
6777 (init_dependency_caches, free_dependency_caches):
6778 Handle spec_dependency_cache.
6779 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6780 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6781 New static functions.
6782 (add_or_update_back_dep, add_or_update_back_forw_dep,
6783 add_back_forw_dep, delete_back_forw_dep): New functions.
6784 * sched-int.h (ds_t, dw_t): New typedefs.
6785 (struct sched_info): Add new field flags.
6786 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6787 Prototype new sched-deps.c functions.
6788 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6789 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6790 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6791 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6792 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6793 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6795 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6797 * sched-rgn.c (current_sched_info): Initialize flags field.
6798 (schedule_insns): Initialize current_sched_info before the sched_init
6800 * sched-ebb.c (current_sched_info): Initialize flags field.
6801 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6802 Call add_or_update_back_dep instead of add_dependence.
6803 Create control speculative dependencies.
6804 (schedule_insns): Initialize current_sched_info before the sched_init
6807 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6809 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6811 (sh_fallback_frame_state): Likewise.
6813 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6815 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6816 Do switch on default_use_cxa_atexit.
6817 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6818 * config/darwin-crt3.o: New.
6819 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6820 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6821 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6823 * config/rs6000/t-darwin: Move crt2.o building to here.
6824 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6825 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6828 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6830 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6831 from '! xxx' to '!xxx' for coding-style conformance.
6832 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6833 (EXTRA_CONSTRAINT): Likewise.
6834 * config/vax/vax.md (four unnamed insns): Likewise.
6836 2006-03-15 Paul Brook <paul@codesourcery.com>
6838 * config/arm/arm.c (minipool_pad): New.
6839 (add_minipool_forward_ref): Include pool alignment padding in address
6841 (push_minipool_fix): Set minipool_pad.
6842 (minipool_pad): Ditto.
6844 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6846 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6847 instead of GET_CODE() == MEM and REG_P() instead of
6849 (print_operand_address): Likewise.
6850 (vax_address_cost): Likewise.
6851 (vax_rtx_costs): Likewise.
6852 (vax_notice_update_cc): Likewise.
6853 (vax_output_int_add): Likewise.
6854 (INDEX_REGISTER_P): Likewise.
6855 (BASE_REGISTER_P): Likewise.
6856 (nonindexed_address_p): Likewise.
6857 (vax_mode_dependent_address_p): Likewise.
6858 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6859 (PRINT_OPERAND): Likewise.
6860 * config/vax/vax.md (ashlsi3): Likewise.
6861 (ashlsi3): Likewise.
6862 (some more unnamed insns): Likewise.
6864 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6866 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6867 iterator-style macro.
6868 (mark_control_dependent_edges_necessary): Update the use of
6869 EXECUTE_IF_CONTROL_DEPENDENT.
6871 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6873 * config/sh/predicates.md (cache_address_operand): Special.
6874 (ua_address_operand): Likewise.
6876 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6878 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6880 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6882 2006-03-15 Andreas Schwab <schwab@suse.de>
6884 * gensupport.c (identify_predicable_attribute): Don't free p_false
6885 when it is still in use.
6887 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6889 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6890 the default setting here.
6892 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6894 * tree-pass.h (pass_cfg): Remove.
6895 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6896 * passes.c (pass_cfg): Don't run it.
6898 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6900 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6901 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6903 (stack_regs_mentioned): Update the uses of
6904 stack_regs_mentioned_data. Don't access the array beyond its
6906 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6907 Don't include gt-reg-stack.h.
6909 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6910 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6912 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6915 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6918 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6920 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6922 2006-03-14 Richard Guenther <rguenther@suse.de>
6924 PR tree-optimization/26672
6925 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6928 2006-03-14 Richard Guenther <rguenther@suse.de>
6930 PR tree-optimization/26667
6931 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6932 node for the callees. Always allow inlining if it will shrink
6935 2006-03-14 Richard Guenther <rguenther@suse.de>
6938 * builtins.c (get_pointer_alignment): Prefer alignment
6939 information from decls over that from types.
6941 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6944 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6946 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6948 * config/rs6000/rs6000.opt (mdlmzb): New option.
6949 (msched-prolog, msched-epilog): Use Var not Mask.
6950 * doc/invoke.texi (-mdlmzb): Document.
6951 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6953 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6954 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6956 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6958 PR rtl-optimization/25739
6959 * bt-load.c (augment_live_range): Free tos pointer.
6961 * gensupport.c (identify_predicable_attribute): Free
6963 * gcov.c (create_file_names): Free name pointer.
6965 2006-03-13 Roger Sayle <roger@eyesopen.com>
6968 * stmt.c (emit_case_nodes): Handle the case where the index is a
6969 CONST_INT, where the comparison mode is specified by the index type.
6971 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6973 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6976 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6978 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6979 (*branch_fp_inverted): Likewise.
6981 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6984 * omp-low.c (expand_omp_for_generic): Mark istart0
6985 and iend0 as addressable.
6987 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6989 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6991 2006-03-13 Jeff Law <law@redhat.com>
6993 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6994 virtual operands are interesting.
6995 (vrp_visit_stmt): Corresponding changes.
6997 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6999 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7001 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7002 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7003 * config/bfin/crti.S: Use it instead of __PIC__.
7004 * config/bfin/crtn.S: Likewise.
7006 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7007 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7009 Lose 'G' modifier for call operand.
7010 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7011 recognize 'G' modifier.
7013 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7016 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7017 * stmt.c (expand_case): Likewise.
7019 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7021 PR rtl-optimization/26254
7022 * loop-invariant.c (seq_insns_valid_p): New function.
7023 (move_invariant_reg): Only emit new code if it is valid.
7025 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7027 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7029 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7030 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7031 (commit_one_edge_insertion): Do not look for loop notes.
7033 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7035 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7036 flag_test_coverage out of loop.
7038 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7040 * final.c (shorten_branches): Remove outdated comment, and turn
7041 the if branch that guards it to continue.
7043 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7045 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7046 * cfgloop.h (struct loop): Remove unused fields.
7048 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7050 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7051 (-dL, -fdump-rtl-loop2): Update the dump file names
7053 * doc/invoke.texi: Update dump file names.
7055 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7057 * predict.c (estimate_probability): Remove.
7058 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7059 * basic-block.h (estimate_probability): Remove prototype.
7060 * passes.c (finish_optimization_passes): Dump branch prediction or
7061 profiling heuristics to the .profile tree dump.
7062 (init_optimization_passes): Unqueue pass_branch_prob.
7064 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7066 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7068 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7069 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7071 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7073 * function.h (frame_offset_overflow): Declare.
7074 * function.c (frame_offset_overflow): New function.
7075 (assign_stack_local_1): Call it to detect that the offset overflows.
7076 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7078 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7080 * config/sh/sh.c: Include alloc-pool.h.
7081 (label_ref_list_pool): New alloc pool.
7082 (label_ref_list_t): New type for lists of labels.
7083 (struct pool_node): Make wend a label_ref_list_t.
7084 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7086 (dump_table): Likewise.
7087 (sh_reorg): Set up the alloc pool before using add_constant and
7088 dump_table, and destroy it when finishing.
7090 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7092 * config/mips/mips.c: Remove redundant comment.
7094 2006-03-10 Jason Merrill <jason@redhat.com>
7097 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7098 the target was declared 'register'.
7100 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7102 * genpreds.c (write_insn_constraint_len): Change definition of
7103 insn_constraint_len to return size_t to match the declaration.
7105 2006-03-10 DJ Delorie <dj@redhat.com>
7107 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7109 (m32c_expand_insv): Fix test for an AND mask.
7111 2006-03-10 Richard Guenther <rguenther@suse.de>
7114 * builtins.c (get_pointer_alignment): Handle component
7115 references for field alignment.
7117 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7119 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7120 when building with libgloss.
7121 (sh*elf): Implement --without-fp option.
7122 (sh64-superh-linux*): Don't multilib.
7124 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7126 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7128 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7130 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7131 Set it when one of the replacement functions returned true.
7132 Return TODO_cleanup_cfg if cfgchanged is true.
7133 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7135 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7137 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7138 instead of gen_lowpart.
7140 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7142 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7144 (mips_output_order_conditional_branch): Declare.
7145 * config/mips/mips.h (MIPS_BRANCH): New macro.
7146 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7147 for the comparison. Use gen_condjump.
7148 (mips_output_conditional_branch): Rework interface to take the
7149 asm templates for a direct branch and the inverse of a direct branch.
7150 (mips_output_order_conditional_branch): New function.
7151 (mips_builtin_branch_and_move): New function.
7152 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7153 branch condition. Use gen_single_cc as the condition for
7154 __builtin_mips_upper_* or __builtin_mips_lower_*.
7155 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7156 Use VOIDmode for the branch condition.
7157 * config/mips/predicates.md (order_operator): New predicate.
7158 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7159 (branch_fp): Rename to...
7160 (*branch_fp): ...this. Remove mode from comparison operator.
7161 Use new mips_output_conditional_branch interface.
7162 (branch_fp_inverted): Rename to...
7163 (*branch_fp_inverted): ...this and update as for *branch_fp.
7164 (*branch_zero<mode>): Rename to...
7165 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7166 Use mips_output_order_conditional_branch. Only accept ordered
7168 (*branch_zero<mode>_inverted): Rename to...
7169 (*branch_order<mode>_inverted): ...this and update as for
7170 *branch_order<mode>.
7171 (*branch_equality<mode>): Accept zero as the second operand to
7172 the equality operator. Use the new mips_output_conditional_branch
7174 (*branch_equality<mode>_inverted): Likewise.
7175 (condjump): New expander.
7176 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7178 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7179 (bc1any2t, bc1any2f): Likewise.
7180 (single_cc): New expander.
7181 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7183 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7185 * doc/md.texi: Update documentation of MIPS constraints.
7186 * config/mips/constraints.md: New file.
7187 * config/mips/mips.md: Include it.
7188 * config/mips/mips.c (mips_char_to_class): Delete.
7189 (override_options): Don't initialize mips_char_to_class.
7190 * config/mips/mips.h (mips_char_to_class): Delete.
7191 (REG_CLASS_FROM_LETTER): Delete.
7192 (CONST_OK_FOR_LETTER_P): Delete.
7193 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7194 (EXTRA_CONSTRAINT_Y): Delete.
7195 (EXTRA_CONSTRAINT_STR): Delete.
7196 (CONSTRAINT_LEN): Delete.
7197 (EXTRA_MEMORY_CONSTRAINT): Delete.
7199 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7201 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7202 original fn's eh regions.
7204 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7206 * fold-const.c (build_range_check): Make sure to use a valid type to
7207 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7210 (range_predecessor): New static function.
7211 (range_successor): Likewise.
7212 (merge_ranges): Use them to compute predecessors and successors of
7215 2006-03-09 Roger Sayle <roger@eyesopen.com>
7218 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7219 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7221 2006-03-08 DJ Delorie <dj@redhat.com>
7223 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7224 (addpsi3): Expand to include memory operands. Remove
7225 reload-specific splits.
7226 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7227 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7228 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7229 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7230 (shift1_qi, shift1_hi, insv): New.
7231 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7232 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7233 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7235 * config/m32c/m32c-protos.h: Update as needed.
7236 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7237 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7238 Fail for unrecognized R* constraints.
7239 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7240 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7241 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7243 (m32c_init_libfuncs): New.
7244 (m32c_legitimate_address_p): Add debug wrapper.
7245 (m32c_rtx_costs): New.
7246 (m32c_address_cost): New.
7247 (conversions): Add 'B' prefix.
7248 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7249 operands, or word regnames for QI operands. 'B' prints bit
7251 (m32c_expand_setmemhi): New.
7252 (m32c_expand_movmemhi): New.
7253 (m32c_expand_movstr): New.
7254 (m32c_expand_cmpstr): New.
7255 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7256 (m32c_expand_neg_mulpsi3): Handle non-ints.
7257 (m32c_cmp_flg_0): New.
7258 (m32c_expand_movcc): New.
7259 (m32c_expand_insv): New.
7260 (m32c_scc_pattern): New.
7261 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7262 a0/a1 out of SIregs.
7263 (STORE_FLAG_VALUE): New.
7264 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7267 * config/m32c/mov.md: Make constraints more liberal.
7268 (zero_extendqihi2): Optimize r0/r1 case.
7269 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7270 * config/m32c/predicates.md (m32c_any_operand): New.
7271 (m32c_nonimmediate_operand): New.
7272 (m32c_hl_operand): New.
7273 (m32c_r3_operand): New.
7276 (memsym_operand): New.
7277 (memimmed_operand): New.
7278 (a_qi_operand): New.
7279 (m32c_eqne_operator): New.
7280 (m32c_1bit8_operand): New.
7281 (m32c_1bit16_operand): New.
7282 (m32c_1mask8_operand): New.
7283 (m32c_1mask16_operand): New.
7284 * config/m32c/blkmov.md: New file.
7285 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7287 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7289 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7290 unsigned to fix signed/unsigned comparison issue in
7291 DWARF2_FRAME_REG_OUT.
7292 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7293 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7295 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7296 of ptr into the ENABLE_CHECKING section.
7298 2006-03-08 Jeff Law <law@redhat.com>
7300 * tree-vrp.c (infer_value_range): Only count pointer uses
7301 and dereferences if -fdelete-null-pointer-checks is enabled.
7303 * tree-vrp.c (find_assert_locations): Infer value ranges for
7304 single use pointers, but do not create ASSERT_EXPRs for them.
7305 When a non-null range is inferred for a pointer, backwards
7306 propagate that range to other equivalent pointers through the
7309 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7312 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7313 language hook targets.
7314 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7315 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7316 if language hook targets were missing.
7318 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7320 * tree-ssa-opfinalize.h: Removed.
7321 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7323 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7324 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7325 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7326 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7327 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7328 finalize_ssa_v_must_def_ops): New.
7330 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7332 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7335 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7337 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7339 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7340 addresses with offsets; reorganize.
7342 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7343 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7344 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7346 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7349 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7351 2006-03-08 Ben Elliston <bje@au.ibm.com>
7353 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7355 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7358 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7361 2006-03-07 Richard Guenther <rguenther@suse.de>
7363 PR tree-optimization/26587
7364 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7366 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7368 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7370 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7372 * hooks.c (hook_bool_mode_rtx_true): New function.
7373 * hooks.h (hook_bool_mode_rtx_true): Declare.
7374 * toplev.c (compile_file): Call output_shared_constant_pool.
7375 * varasm.c (shared_constant_pool): New variable.
7376 (assemble_start_function, assemble_end_function): Remove arguments
7377 from call to output_constant_pool.
7378 (create_constant_pool): New function, split out from...
7379 (init_varasm_status): ...here.
7380 (force_const_mem): Choose between the shared and per-function constant
7381 pools. Set current_function_uses_const_pool when reusing old entries
7382 as well as when creating new ones.
7383 (mark_constant): Ignore data argument.
7384 (mark_constants): Remove pool argument.
7385 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7386 to decide whether the function uses a constant pool.
7387 (output_constant_pool_contents): New function, split out from...
7388 (output_constant_pool): ...here.
7389 (output_shared_constant_pool): New function.
7390 (init_varasm_once): Initialize shared_constant_pool.
7391 * output.h (output_constant_pool): Delete.
7392 (output_shared_constant_pool): Declare.
7393 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7394 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7396 2006-03-06 Nick Clifton <nickc@redhat.com>
7398 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7399 flag_strength_reduce.
7401 2006-03-06 Ben Elliston <bje@au.ibm.com>
7403 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7404 x86_64-*-linux* configurations.
7406 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7407 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7409 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7411 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7413 * basic-block.h: Remove the extern for
7414 rediscover_loops_after_threading.
7416 * cfgloop.c (cancel_loop): Make it static.
7417 * cfgloop.h: Remove the prototype for cancel_loop.
7419 * flow.c (recompute_reg_usage): Make it static.
7420 * rtl.h: Remove the prototype for recompute_reg_usage.
7422 * function.c (use_return_register): Make it static.
7423 * function.h: Remove the prototype.
7425 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7427 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7429 * recog.h: Remove the prototype for
7430 validate_change_maybe_volatile.
7432 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7434 * rtlanal.c (replace_reg): Remove.
7435 * rtl.h: Remove the prototype for replace_reg.
7437 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7439 * regclass.c (reg_scan_update): Remove.
7440 (reg_scan_mark_refs): Remove the last argument.
7441 * rtl.h: Remove the prototype for reg_scan_update.
7443 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7445 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7446 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7447 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7448 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7449 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7450 loop-invariant.c, omp-low.c, opts.c, passes.c,
7451 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7452 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7453 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7454 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7455 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7456 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7458 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7460 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7461 * dwarf2out.h: Remove the prototype for
7462 dwarf2out_add_library_unit_info.
7464 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7466 * tree.c (add_var_to_bind_expr): Remove.
7467 * tree.h: Remove the prototype for add_var_to_bind_expr.
7469 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7471 * regclass.c (n_non_fixed_regs): Remove.
7472 (init_reg_sets_1, globalize_reg): Remove all uses of
7474 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7476 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7478 * rtlanal.c (insns_safe_to_move_p): Remove.
7479 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7481 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7483 * expmed.c (expand_mult_add): Remove.
7484 * expr.h: Remove the prototype for expand_mult_add.
7486 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7488 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7489 and REG_SAVED_VAL_EXP constants.
7490 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7491 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7492 Handle regs stored by value.
7493 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7494 (execute_cfa_program): Handle DW_CFA_val_offset,
7495 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7496 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7497 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7498 (uw_install_context_1): Handle target regs stored by value.
7500 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7502 * tree-sra.c (tree_sra): Return todoflags;
7503 (generate_one_element): Set TODO_update_smt_usage if needed.
7504 (pass_sra): Remove TODO_update_smt_usage.
7505 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7507 (tree_ssa_forward_propagate_single_use_vars): Return
7508 TODO_update_smt_usage if we need to update SMT usage.
7509 (pass_forwprop): Remove TODO_update_smt_usage.
7511 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7513 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7514 (correct_use_link): Remove reference to get_stmt_operands.
7515 (update_stmt_operands): Likewise.
7516 (get_modify_expr_operands): New function factored out of
7517 parse_ssa_operands and get_expr_operands.
7518 Try to create V_MUST_DEFs for LHS by default.
7519 (get_expr_operands) <case MODIFY_EXPR>: Call
7520 get_modify_expr_operands.
7521 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7522 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7523 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7524 get_modify_expr_operands.
7526 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7528 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7529 * tree-flow.h: Remove the prototype for
7530 referenced_var_lookup_if_exists.
7532 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7534 PR rtl-optimization/26345
7536 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7538 2006-03-03 Roger Sayle <roger@eyesopen.com>
7540 PR tree-optimization/26524
7541 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7542 fold_convert to create a constant of the appropriate type.
7544 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7546 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7547 SYMBOL_REF_IN_BLOCK_P.
7548 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7549 of SYMBOL_FLAG_IN_BLOCK.
7550 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7551 instead of SYMBOL_REF_IN_BLOCK_P.
7552 * explow.c (use_anchored_address): Likewise.
7553 * rtl.c (rtx_size): Likewise.
7554 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7555 instead of SYMBOL_FLAG_IN_BLOCK.
7556 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7557 SYMBOL_REF_IN_BLOCK_P.
7558 (assemble_variable): Likewise.
7559 (output_constant_def_contents): Likewise.
7560 (output_constant_pool): Likewise.
7561 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7562 instead of SYMBOL_FLAG_IN_BLOCK.
7563 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7564 SYMBOL_REF_IN_BLOCK_P.
7565 (SYMBOL_REF_BLOCK): Likewise.
7566 (SYMBOL_REF_OFFSET): Likewise.
7567 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7568 SYMBOL_REF_IN_BLOCK_P.
7569 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7570 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7571 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7572 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7574 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7576 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7578 2006-03-02 Roger Sayle <roger@eyesopen.com>
7580 * simplify-rtx.c (simplify_unary_operation): When simplifying
7581 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7582 that we perform the right shift in the appropriate mode, and
7583 then extend or truncate the result to requested mode.
7585 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7587 * gengtype.c (main): Handle double_int type.
7588 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7589 * double-int.c: New file.
7590 * double-int.h: New file.
7591 * system.h: Include doubleint.h.
7592 * Makefile.in (SYSTEM_H): Include double-int.h.
7593 (double-int.o): Add.
7595 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7598 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7601 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7603 * tree-vrp.c (remove_range_assertions): Do not update statements
7606 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7608 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7610 * gcse.c (rest_of_handle_gcse): Ditto.
7611 * except.c (gate_handle_eh): Ditto.
7612 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7613 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7615 2006-03-02 Eric Christopher <echristo@apple.com>
7617 * config/i386/i386.c (machopic_output_stub): Add indirection to
7620 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7624 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7626 Sun Niagara specific optimizations.
7627 * config.gcc: Recognize niagara as target.
7628 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7629 (TARGET_CPU_niagara): Define.
7630 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7631 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7632 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7633 (ASM_CPU_SPEC): Likewise.
7634 (PROCESSOR_NIAGARA): New enum entry.
7635 (REGISTER_MOVE_COST): Handle Niagara.
7636 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7637 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7638 (sparc_override_options): Recognize "niagara", set appropriate
7639 default MASK_* values for it, and align functions to 32-bytes
7640 by default just like ULTRASPARC/ULTRASPARC3.
7641 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7642 (sparc64_initialize_trampoline): Likewise.
7643 (sparc_use_sched_lookahead): Use zero for niagara.
7644 (sparc_issue_rate): Use one for niagara.
7645 * config/sparc/niagara.md: New file.
7646 * config/sparc/sparc.md: Include it.
7647 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7648 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7649 when default cpu is niagara.
7650 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7651 (ASM_CPU_SPEC): Likewise.
7652 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7653 when default cpu is niagara.
7654 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7655 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7656 just like v9/ultrasparc/ultrasparc3.
7657 * doc/invoke.texi: Add documentation for "niagara" and improve
7658 existing documentation for ultrasparc variants.
7660 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7662 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7664 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7666 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7667 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7668 and say that only one is needed.
7669 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7670 * target.h (have_switchable_bss_sections): New hook.
7671 * explow.c (use_anchored_address): Check that the symbol is in a block.
7672 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7673 (bss_noswitch_section): New variables.
7674 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7675 (get_noswitch_section): New function.
7676 (get_block_for_section): Allow SECT to be null.
7677 (unlikely_text_section_p): Use SECTION_STYLE.
7678 (bss_initializer_p): New function.
7679 (get_variable_section): Move earlier in file. Take a new argument,
7680 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7681 Return one of the new *_sections in such cases.
7682 (get_block_for_decl): New function, extracting some logic from
7683 use_blocks_for_decl_p.
7684 (change_symbol_section): Remove in favor of...
7685 (change_symbol_block): ...this new function.
7686 (use_blocks_for_decl_p): Remove checks now performed by
7688 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7689 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7690 (emit_local, emit_bss, emit_common): ...these new functions.
7691 Return true if the alignment was honored.
7692 (emit_tls_common): New function.
7693 (asm_emit_uninitialised): Delete.
7694 (assemble_variable_noswitch): New function, split out from...
7695 (assemble_variable): ...here. Don't make decisions about common
7696 variables here. Globalize all public decls that go into non-common
7697 sections. Check whether SYMBOL_REF_BLOCK is null.
7698 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7699 (output_constant_pool): Likewise.
7700 (init_varasm_once): Initialize the new section variables.
7701 (have_global_bss_p): New function.
7702 (categorize_decl_for_section): Use bss_initializer_p.
7703 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7704 (place_block_symbol): Assert that the symbol must be in a block.
7705 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7706 (TARGET_INITIALIZER): Include it.
7707 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7708 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7709 (SECTION_MACH_DEP): Bump by two.
7710 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7711 (unnamed_section): Mention SECTION_UNNAMED in comment.
7712 (named_section): Likewise SECTION_NAMED.
7713 (noswitch_section_callback): New type.
7714 (noswitch_section): New structure.
7715 (section): Add a noswitch_section alternative.
7716 (SECTION_STYLE): New macro.
7717 (tls_comm_section, comm_section, lcomm_section): Declare.
7718 (bss_noswitch_section, have_global_bss_p): Declare.
7719 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7720 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7722 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7723 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7726 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7728 * tree-vrp.c (execute_vrp): Return value.
7729 * regrename.c (rest_of_handle_regrename): Ditto.
7730 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7731 * tree-complex.c (tree_lower_complex): Ditto.
7732 (tree_lower_complex_O0): Ditto.
7733 * tracer.c (rest_of_handle_tracer): Ditto.
7734 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7735 * postreload.c (rest_of_handle_postreload): Ditto.
7736 * tree-tailcall.c (execute_tail_recursion): Ditto.
7737 (execute_tail_calls): Ditto.
7738 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7739 * tree.h (init_function_for_compilation): Ditto.
7740 * ipa-cp.c (ipcp_driver): Ditto.
7741 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7742 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7743 * final.c (compute_alignments): Ditto.
7744 (rest_of_handle_final): Ditto.
7745 (rest_of_handle_shorten_branches): Ditto.
7746 (rest_of_clean_state): Ditto.
7747 * omp-low.c (execute_expand_omp): Ditto.
7748 (execute_lower_omp): Ditto.
7749 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7750 * ipa-reference.c (static_execute): Ditto.
7751 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7752 * reorg.c (rest_of_handle_delay_slots): Ditto.
7753 (rest_of_handle_machine_reorg): Ditto.
7754 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7755 * flow.c (recompute_reg_usage): Ditto.
7756 (rest_of_handle_remove_death_notes): Ditto.
7757 (rest_of_handle_life): Ditto.
7758 (rest_of_handle_flow2): Ditto.
7759 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7760 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7761 (do_ssa_store_ccp): Ditto.
7762 (execute_fold_all_builtins): Ditto.
7763 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7764 * modulo-sched.c (rest_of_handle_sms): Ditto.
7765 * ipa-pure-const.c (static_execute): Ditto.
7766 * cse.c (rest_of_handle_cse): Ditto.
7767 (rest_of_handle_cse2): Ditto.
7768 * web.c (rest_of_handle_web): Ditto.
7769 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7770 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7771 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7772 * tree-nrv.c (tree_nrv): Ditto.
7773 (execute_return_slot_opt): Ditto.
7774 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7775 (create_structure_vars): Ditto.
7776 * loop-init.c (rtl_loop_init): Ditto.
7777 (rtl_loop_done): Ditto.
7778 (rtl_move_loop_invariants): Ditto.
7779 (rtl_unswitch): Ditto.
7780 (rtl_unroll_and_peel_loops): Ditto.
7781 (rtl_doloop): Ditto.
7782 * gimple-low.c (lower_function_body): Ditto.
7783 (mark_used_blocks): Ditto.
7784 * tree-ssa-sink.c (execute_sink_code): Ditto.
7785 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7786 (cgraph_early_inlining): Ditto.
7787 * global.c (rest_of_handle_global_alloc): Ditto.
7788 * jump.c (cleanup_barriers): Ditto.
7789 (purge_line_number_notes): Ditto.
7790 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7791 (rest_of_handle_if_after_reload): Ditto.
7792 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7793 (tree_ssa_loop_im): Ditto.
7794 (tree_ssa_loop_unswitch): Ditto.
7795 (tree_vectorize): Ditto.
7796 (tree_linear_transform): Ditto.
7797 (tree_ssa_loop_ivcanon): Ditto.
7798 (tree_ssa_empty_loop): Ditto.
7799 (tree_ssa_loop_bounds): Ditto.
7800 (tree_complete_unroll): Ditto.
7801 (tree_ssa_loop_prefetch): Ditto.
7802 (tree_ssa_loop_ivopts): Ditto.
7803 (tree_ssa_loop_done): Ditto.
7804 * predict.c (tree_estimate_probability): Ditto.
7805 * recog.c (split_all_insns_noflow): Ditto.
7806 (rest_of_handle_peephole2): Ditto.
7807 (rest_of_handle_split_all_insns): Ditto.
7808 * tree-eh.c (lower_eh_constructs): Ditto.
7809 * regmove.c (rest_of_handle_regmove): Ditto.
7810 (rest_of_handle_stack_adjustments): Ditto.
7811 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7812 * function.c (instantiate_virtual_regs): Ditto.
7813 (init_function_for_compilation): Ditto.
7814 (rest_of_handle_check_leaf_regs): Ditto.
7815 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7816 (rest_of_handle_gcse): Ditto.
7817 * ipa-type-escape.c (type_escape_execute): Ditto.
7818 * alias.c (rest_of_handle_cfg): Ditto.
7819 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7820 * profile.c (rest_of_handle_branch_prob): Ditto.
7821 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7822 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7823 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7824 * tree-dfa.c (find_referenced_vars): Ditto.
7825 * except.c (set_nothrow_function_flags): Ditto.
7826 (convert_to_eh_region_ranges): Ditto.
7827 (rest_of_handle_eh): Ditto.
7828 * emit-rtl.c (unshare_all_rtl): Ditto.
7829 (remove_unnecessary_notes): Ditto.
7830 * except.h (set_nothrow_function_flags): Ditto.
7831 (convert_to_eh_region_ranges): Ditto.
7832 * cfgexpand.c (tree_expand_cfg): Ditto.
7833 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7834 * tree-ssa-pre.c (do_pre): Ditto.
7835 (execute_fre): Ditto.
7836 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7837 (rest_of_handle_jump2): Ditto.
7838 * tree-sra.c (tree_sra): Ditto.
7839 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7840 (execute_mudflap_function_decls): Ditto.
7841 * tree-ssa-copy.c (do_copy_prop): Ditto.
7842 (do_store_copy_prop): Ditto.
7843 * ipa-prop.h (ipcp_driver): Ditto.
7844 * cfglayout.c (insn_locators_initialize): Ditto.
7845 * tree-ssa-forwprop.c
7846 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7847 * cfglayout.h (insn_locators_initialize): Ditto.
7848 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7849 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7850 (execute_late_warn_uninitialized): Ditto.
7851 * rtl.h (cleanup_barriers): Ditto.
7852 (split_all_insns_noflow): Ditto.
7853 (purge_line_number_notes): Ditto.
7854 (unshare_all_rtl): Ditto.
7855 (remove_unnecessary_notes): Ditto.
7856 (recompute_reg_usage): Ditto.
7857 (variable_tracking_main): Ditto.
7858 * integrate.c (emit_initial_value_sets): Ditto.
7859 * integrate.h (emit_initial_value_sets): Ditto.
7860 * tree-optimize.c (execute_free_datastructures): Ditto
7861 (execute_free_cfg_annotations): Ditto.
7862 (execute_fixup_cfg): Ditto.
7863 (execute_cleanup_cfg_pre_ipa): Ditto.
7864 (execute_cleanup_cfg_post_optimizing): Ditto.
7865 (execute_init_datastructures): Ditto.
7866 * tree-object-size.c (compute_object_sizes): Ditto.
7867 * combine.c (rest_of_handle_combine): Ditto.
7868 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7869 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7870 (rest_of_handle_reorder_blocks): Ditto.
7871 (rest_of_handle_partition_blocks): Ditto.
7872 * var-tracking.c (variable_tracking_main): Ditto.
7873 * tree-profile.c (tree_profiling): Ditto.
7874 * tree-vect-generic.c (expand_vector_operations): Ditto.
7875 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7876 * sched-rgn.c (rest_of_handle_sched): Ditto.
7877 (rest_of_handle_sched2): Ditto.
7878 * basic-block.h (free_bb_insn): Ditto.
7879 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7880 * tree-cfg.c (execute_build_cfg): Ditto.
7881 (remove_useless_stmts): Ditto.
7882 (split_critical_edges): Ditto.
7883 (execute_warn_function_return): Ditto.
7884 (execute_warn_function_noreturn): Ditto.
7885 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7886 * cfgrtl.c (free_bb_for_insn): Ditto.
7887 * passes.c (execute_one_pass): Run additional
7888 todos returned by execute function.
7889 * tree-pass.h (struct tree_opt_pass): Make execute
7892 2006-03-02 Richard Guenther <rguenther@suse.de>
7894 * tree-ssa-alias.c (find_used_portions): Consider taking
7895 the address as making the variable not write-only.
7897 2006-03-02 Nick Clifton <nickc@redhat.com>
7899 * config.gcc (default_use_cxa_atexit): Extend the description of
7900 this configure variable. Set its default value to "yes" for
7901 Linux, NetBSD and ELF targets on the assumption that they will
7902 use C libraries with the __cxa_atexit function.
7904 2006-03-02 Ben Elliston <bje@au.ibm.com>
7906 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7907 parameter as unused to suppress a build warning.
7909 2006-03-02 Ben Elliston <bje@au.ibm.com>
7911 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7914 2006-03-01 Roger Sayle <roger@eyesopen.com>
7917 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7918 declared name, the weak reference name, and the typeof name.
7919 (__gthrw): Avoid expanding the declared name suffix.
7920 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7922 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7924 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7926 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7927 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7928 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7929 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7930 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7931 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7932 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7933 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7934 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7935 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7936 (DW_END_default, DW_END_big, DW_END_little): New.
7937 (DW_END_lo_user, DW_END_hi_user): Define.
7938 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7939 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7940 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7943 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7945 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7947 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7949 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7951 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7953 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7954 to 'symbol_mem_tag'.
7956 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7959 2006-03-01 Roger Sayle <roger@eyesopen.com>
7961 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7963 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7966 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7967 MACHO_DYNAMIC_NO_PIC_P.
7968 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7970 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7973 * config/darwin-protos.h (darwin_asm_output_anchor):
7975 * config/darwin-sections.def (cstring_section):
7976 Add SECTION_MERGE to the flags.
7977 (literal4_section): Likewise.
7978 (literal8_section): Likewise.
7979 (objc_selector_refs_section): Likewise.
7980 (objc_cls_refs_section): Likewise.
7981 * config/darwin.c (darwin_asm_output_anchor): New
7983 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7985 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7987 Fix PR tree-optimization/26443
7988 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7989 to todo and PROP_tmt_usage to properties_destroyed.
7990 * tree-ssa-ccp.c (pass_ccp): Ditto.
7991 (pass_store_ccp): Ditto.
7992 * tree-ssa-dom.c (pass_dominator): Ditto.
7994 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7996 * tree-ssa-operands.c: Cleanup whitespace.
7997 (get_asm_expr_operands): Move before first invocation.
7998 (get_indirect_ref_operands): Likewise.
7999 (get_tmr_operands): Likewise.
8000 (get_call_expr_operands): Likewise.
8001 (append_def): Likewise.
8002 (append_use): Likewise.
8003 (append_v_may_def): Likewise.
8004 (append_v_must_def): Likewise.
8005 (add_call_clobber_ops): Likewise.
8006 (add_call_read_ops): Likewise.
8007 (add_stmt_operand): Likewise.
8008 (add_virtual_operand): Likewise.
8009 (build_ssa_operands): Likewise.
8011 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8016 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8017 with a call expr to ...
8018 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8020 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8022 * tree-vrp.c (extract_range_from_assert): Remove special
8023 handling for types with super-types.
8025 2006-03-01 Ben Elliston <bje@au.ibm.com>
8027 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8028 and powerpc64-*-linux* configurations.
8029 * config/t-dfprules: New file.
8031 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8032 Compile dfp-bit.c from the source directory using -DWIDTH and
8033 $DFP_CFLAGS to control the compilation of that file, rather than
8034 generating width-specific versions in the build directory.
8035 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8036 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8038 2006-02-28 Zack Weinberg <zackw@panix.com>
8040 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8043 2006-02-28 Eric Christopher <echristo@apple.com>
8045 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8046 Set up IN_LIBGCC definition of TARGET_64BIT.
8047 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8049 2006-02-28 Roger Sayle <roger@eyesopen.com>
8052 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8053 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8054 cases via the construction of "expr != 0".
8056 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8058 * alias.c (alias_invariant, alias_invariant_size): Remove.
8059 (record_base_value): Remove.
8060 (memrefs_conflict_p): Don't look at alias_invariant.
8061 (end_alias_analysis): Don't free it.
8062 * alias.h (record_base_value): Remove prototype.
8064 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8065 Adam Nemet <anemet@caviumnetworks.com>
8067 * rtl.h (truncated_to_mode): Declare it.
8068 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8069 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8070 (RTL_HOOKS_INITIALIZER): Include it.
8071 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8072 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8073 reg_truncated_to_mode.
8074 * rtlanal.c (truncated_to_mode): Define it.
8075 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8077 2006-02-28 Jeff Law <law@redhat.com>
8079 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8080 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8081 the range allowed by TYPE_PRECISION.
8083 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8085 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8087 PR tree-optimization/26419
8088 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8091 2006-02-27 Zack Weinberg <zackw@panix.com>
8093 * doc/md.texi: Fix typo in previous change.
8095 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8099 2006-02-27 Zack Weinberg <zackw@panix.com>
8101 * rtl.def (define_constraint, define_register_constraint)
8102 (define_memory_constraint, define_address_constraint): New MD forms.
8103 * gensupport.c (process_rtx): Put define_constraint etc on the
8105 * genpreds.c (process_define_predicate): Adjust comment. Validate
8106 the name, and call validate_exp to validate the expression.
8107 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8108 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8109 all callers changed.
8110 (validate_exp, needs_variable, struct constraint_data)
8111 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8112 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8113 (const_dbl_constraints, constraint_max_namelen)
8114 (have_register_constraints, have_memory_constraints)
8115 (have_address_constraints, have_address_constraints)
8116 (have_extra_constraints, have_const_int_constraints)
8117 (have_const_dbl_constraints, mangle, add_constraint)
8118 (process_define_constraint, process_define_register_constraint)
8119 (write_enum_constraint_num, write_lookup_constraint)
8120 (write_insn_constraint_len, write_regclass_for_constraint)
8121 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8122 (write_insn_extra_memory_constraint)
8123 (write_insn_extra_address_constraint)
8124 (write_satisfies_constraint_fns): New.
8125 (write_tm_preds_h): If we have new-style constraint definitions,
8126 prototype the functions generated from them, and define the
8127 old constraint interface (still used by generic code) in terms of
8129 (write_insn_preds_c): If we have new-style constraint definitions,
8130 generate all relevant functions from those definitions.
8131 (main): Handle define_constraint etc.
8132 * genoutput.c (struct constraint_data, indep_constraints)
8133 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8134 (mdep_constraint_len): New data structures and functions, defined
8135 #ifdef USE_MD_CONSTRAINTS.
8136 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8137 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8138 use new logic to validate operand constraints against constraint
8140 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8142 * defaults.h: If none of the old-style constraint macros are
8143 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8144 old-style macros; and poison REG_CLASS_FROM_LETTER,
8145 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8147 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8148 * doc/md.texi: Document new constraint-definition mechanism and the
8149 C interface it provides. Remove references to old mechanism
8150 elsewhere in the document.
8151 (Machine Constraints): Use pathnames relative to gcc directory,
8152 i.e. config/ARCH/FILE. Change i386 section to refer to
8153 config/i386/predicates.md; update that section to match docstrings.
8154 * doc/tm.texi: Move all documentation of the old constraint-
8155 definition macros to their own section, clearly mark as obsolete.
8157 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8158 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8160 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8161 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8162 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8164 (splits and peepholes): Use satisfies_constraint_*.
8165 * config/i386/i386.c (memory_address_length)
8166 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8168 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8170 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8171 scalar operation to be put back into the loop.
8173 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8176 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8177 (extract_cie_info): Handle S flag in augmentation string.
8178 (execute_cfa_program): If context->signal_frame, execute also
8179 fs->pc == context->ra instructions.
8180 (uw_frame_state_for): If context->signal_frame, don't subtract one
8181 from context->ra to find FDE.
8182 (uw_update_context_1): Set context->signal_frame to
8184 (_Unwind_GetIPInfo): New function.
8185 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8186 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8188 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8189 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8190 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8191 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8192 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8193 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8194 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8195 x86_64_fallback_frame_state): Set fs->signal_frame.
8196 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8197 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8198 (frob_update_context): Likewise. Workaround missing S flag in
8199 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8200 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8201 Remove the psw_addr + 1 hack.
8203 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8205 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8206 with aggregates here.
8207 (find_func_aliases): Remove code for &<aggregate> from here.
8209 2006-02-26 Roger Sayle <roger@eyesopen.com>
8211 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8212 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8213 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8216 2006-02-26 Roger Sayle <roger@eyesopen.com>
8219 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8221 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8223 * opts.c (decode_options): Do not handle flag_strength_reduce.
8224 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8225 and OPT_fstrength_reduce.
8226 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8227 flag_prefetch_loop_arrays for being nonzero.
8228 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8230 (fprefetch-loop-arrays-rtl): Removed.
8231 (flag_prefetch_loop_arrays): Do not specify the value.
8233 * doc/passes.texi: Update documentation of loop optimizer
8235 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8236 -frerun-loop-opt): Remove.
8238 2006-02-26 Richard Guenther <rguenther@suse.de>
8240 PR tree-optimization/26421
8241 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8242 in function calls that are ADDR_EXPRs as using the whole structure.
8244 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8246 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8247 * tree-pass.h (pass_loop_optimize): Remove.
8248 * passes.c (pass_loop_optimize): Never run it.
8249 * toplev.c (backend_init): Don't call init_loop.
8250 * opts.c (flag_loop_optimize_set): Remove.
8251 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8252 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8253 the old RTL loop optimizer when profiling enabled.
8254 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8255 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8256 pre-headers for the sake of the old RTL loop optimizer.
8257 * Makefile.in: Remove all references to loop.o.
8259 * doc/invoke.texi: Remove all references to -floop-optimize
8260 and -frerun-loop-opt.
8262 2006-02-26 Zack Weinberg <zackw@panix.com>
8264 * doc/md.texi (Machine Constraints): Refer to all files with paths
8265 relative to gcc directory (i.e. config/CPU/file). Add missing
8266 @table @code ... @end table to M32C subsection.
8268 2006-02-26 Roger Sayle <roger@eyesopen.com>
8270 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8272 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8274 2006-02-26 Roger Sayle <roger@eyesopen.com>
8275 James A. Morrison <phython@gcc.gnu.org>
8278 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8279 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8280 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8281 signedness of the shift operation.
8283 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8285 PR tree-optimization/26359
8286 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8288 2006-02-25 Roger Sayle <roger@eyesopen.com>
8290 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8291 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8292 as X == 0, and some symmetry related transformations.
8293 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8295 2006-02-25 Roger Sayle <roger@eyesopen.com>
8298 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8299 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8300 symmetry related transformations. Fold (X^C1) == C2 as
8303 2006-02-25 Juergen Weigert <jw@suse.de>
8304 Richard Guenther <rguenther@suse.de>
8306 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8308 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8310 * combine.c (gen_lowpart_or_truncate): Call
8311 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8313 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8315 * doc/invoke.texi: Move -fopenmp description to "Options for
8317 Remove reference to -lgomp.
8319 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8321 * doc/install.texi: Require GNU tar version 1.14.
8323 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8325 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8326 * doc/invoke.texi (C++ Dialect Options): Document
8327 -fno-use-cxa-get-exception-ptr.
8328 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8329 * configure: Regenerate.
8330 * c.opt (fuse-cxa-get-exception-ptr): New.
8331 * c-opts.c (c_common_handle_option): Handle
8332 OPT_fuse_cxa_get_exception_ptr.
8333 * c-common.c (flag_use_cxa_atexit): Update documentation.
8334 (flag_use_cxa_get_exception_ptr): New.
8335 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8336 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8338 (C_COMMON_OVERRIDE_OPTIONS): New.
8340 2006-02-24 Roger Sayle <roger@eyesopen.com>
8343 * combine.c (try_combine): Explicitly check whether GET_CODE is
8344 a SET or a CLOBBER, instead on checking that it isn't a USE.
8346 2006-02-24 Roger Sayle <roger@eyesopen.com>
8348 * fold-const.c (fold_comparison): New subroutine of fold_binary
8349 containing transformations common to both the equality and
8350 ordering relational operators, factored out of fold_binary.
8351 (fold_binary): Separate out the equality operators (EQ_EXPR
8352 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8353 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8354 transformations common to both.
8355 (fold_div_compare): Fix latent bugs in the previously unreachable
8356 LT_EXPR and GE_EXPR cases.
8358 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8360 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8361 decl libname for clog to __clog on AIX.
8363 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8365 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8368 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8369 output traceback table for thunks. Localise rs6000_stack_info call.
8371 2006-02-23 Roger Sayle <roger@eyesopen.com>
8372 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8374 * gthr-posix.h (__gthrw): Fix typo in comment.
8376 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8378 * doc/cpp.texi (Character sets): Document that we do support
8379 input files to be in any character set.
8381 2006-02-23 Jeff Law <law@redhat.com>
8383 * tree.h (PHI_ARG_NONZERO): Remove.
8384 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8385 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8386 node to the new node.
8388 PR tree-optimization/26425
8389 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8390 min/max, then assume its varying.
8392 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8394 PR rtl-optimization/26316
8395 * rtlanal.c (enum may_trap_p_flags): New.
8396 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8397 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8398 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8399 (may_trap_after_code_motion_p): New function.
8400 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8401 (find_invariant_insn): Use may_trap_after_code_motion_p.
8402 * rtl.h (may_trap_after_code_motion_p): Declare.
8404 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8406 * emit-rtl.c (immed_double_const): Cleanup.
8408 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8410 Fix PR tree-optimization/26376
8411 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8414 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8417 * gimplify.c (omp_add_variable): Guard variable size decl test with
8418 DECL_SIZE (decl) check.
8420 2006-02-23 Richard Guenther <rguenther@suse.de>
8423 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8424 like aggregate types.
8426 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8428 * configure.ac: Add --with{,out}-long-double-128 configure option.
8429 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8430 * configure: Rebuilt.
8431 * config.in: Rebuilt.
8432 * doc/install.texi (Options specification): Document
8433 --with-long-double-128.
8435 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8436 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8437 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8438 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8440 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8442 * config/s390/s390.c (override_options): Handle
8443 TARGET_DEFAULT_LONG_DOUBLE_128.
8445 * config/alpha/alpha.c (override_options): Handle
8446 TARGET_DEFAULT_LONG_DOUBLE_128.
8448 * config/sparc/sparc.c (sparc_override_options): Handle
8449 TARGET_DEFAULT_LONG_DOUBLE_128.
8451 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8453 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8454 (real-install-headers-tar, real-install-headers-cpio)
8455 (real-install-headers-cp): New targets.
8457 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8459 * tree.h (variable_section): Delete.
8460 * varasm.c (variable_section): Delete.
8462 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8464 * install.texi: Add notes on install.texi2html.
8465 (Building in parallel): Do not use footnotes.
8467 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8470 * doc/install.texi (Configuration): Document --disable-libgomp.
8472 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8474 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8476 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8478 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8479 (vec_extractv2df_0_sse): New.
8481 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8483 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8484 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8485 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8486 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8487 to the result of the expression.
8488 (def_cfa_1): Adjust.
8489 (frame_pointer_cfa_offset): Rename to...
8490 (frame_pointer_fb_offset): ... this. Adjust all uses.
8491 (convert_cfa_to_loc_list): Rename to...
8492 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8493 Pass it on to build_cfa_loc.
8494 (compute_frame_pointer_to_cfa_displacement): Rename to...
8495 (compute_frame_pointer_to_fb_displacement): ... this. New
8496 offset parameter. Use it in computation.
8497 (gen_subprogram_die): Compute cfa_fb_offset with the new
8498 macro, and use it to compute the fb loc list and the
8501 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8503 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8504 replaced with register_operand.
8505 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8506 non-DREG is expensive.
8507 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8508 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8511 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8513 * doc/install.texi2html: Use set -e.
8515 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8517 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8518 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8519 * doc/invoke.texi (-fshared-data): Delete.
8520 * common.opt (fshared-data): Delete.
8521 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8522 (assemble_static_space): Remove #if 0 code.
8523 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8524 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8525 * config/cris/cris.h: Remove FIXME.
8527 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8529 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8532 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8535 * combine.c (simplify_shift_const_1): Disable nested shifts
8536 optimization for vector shifts.
8538 2006-02-20 Roger Sayle <roger@eyesopen.com>
8540 PR tree-optimization/26361
8541 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8542 of unsigned integer types.
8544 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8546 * tree-chrec.c (eq_evolutions_p): New.
8547 * tree-chrec.h (eq_evolutions_p): Declared.
8548 * tree-data-ref.c: Fix formatting.
8549 (datadep_stats, dependence_stats): New.
8551 (print_direction_vector): New.
8552 (dump_data_dependence_relation): Use print_direction_vector.
8553 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8554 (compute_subscript_distance): Static.
8555 (initialize_data_dependence_relation): Static. Get the number
8556 of loops surrounding the references from the callers, and initialize
8557 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8558 base_object_differ_p analyzers.
8559 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8560 compute_overlap_steps_for_affine_1_2,
8561 analyze_subscript_affine_affine): Count the classified dependences.
8562 Print a message when a test failed.
8563 (can_use_analyze_subscript_affine_affine): New.
8564 (analyze_siv_subscript): Compute the data dependences on symbolic
8565 scevs that verify can_use_analyze_subscript_affine_affine.
8566 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8567 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8568 Handle symbolic scevs.
8569 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8571 (subscript_dependence_tester): Moved...
8572 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8573 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8574 DDR_SIZE_VECT instead of getting it in parameter.
8575 (subscript_dependence_tester): ... here. Take as a parameter
8576 loop_nest_depth. Call build_classic_dist_vector and
8577 build_classic_dir_vector.
8578 (compute_affine_dependence): Update subscript_dependence_tester
8579 parameters. Update datadep_stats counters. Call
8580 compute_subscript_distance.
8581 (compute_self_dependence): Save the dist and dir vectors. Call
8582 compute_subscript_distance.
8583 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8584 (compute_all_dependences): Reorder parameters as they were before
8585 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8586 compute_subscript_distance. Update the use of
8587 compute_affine_dependence and initialize_data_dependence_relation.
8588 (find_data_references_in_loop): Handle COMPONENT_REF.
8589 (compute_data_dependences_for_loop): Initialize dependence_stats.
8590 Don't call build_classic_dist_vector and build_classic_dir_vector.
8591 Update the parameters of initialize_data_dependence_relation and
8592 compute_all_dependences. Print the statistics from datadep_stats.
8593 (analyze_all_data_dependences): Static. Not used until the pass for
8594 checking the data dependences is contributed.
8595 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8596 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8597 (initialize_data_dependence_relation, compute_affine_dependence,
8598 analyze_all_data_dependences, compute_subscript_distance): Removed.
8599 (print_direction_vector): New.
8600 * lambda.h (gcd): ... here.
8601 (lambda_vector_gcd): Moved here from gcd_vector.
8602 * lambda-code.c (gcd, gcd_vector): Removed.
8603 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8604 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8606 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8608 * ipa-type-escape.c: Tidy some comments and white space.
8609 * tree-ssa-operands.c: Likewise.
8611 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8614 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8615 (dump_decl_name): Do not walk the decl tree chains.
8616 * tree-pass.h (TDF_CHAIN): Remove.
8618 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8620 * Makefile.in (C): Remove
8622 (.PHONY): Remove C and PROTO
8624 2006-02-20 Roger Sayle <roger@eyesopen.com>
8627 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8628 deprecated CHAR_TYPE tree code.
8630 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8632 * configure.ac (target_list): Add install-info, dvi, html.
8633 * configure: Regenerate.
8635 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8636 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8637 treelang/Make-lang.in: Do not use double-colon rules.
8639 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8641 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8642 (TMT_USED_ALONE): New macro.
8643 * tree-pass.h (PROP_tmt_usage): New property.
8644 (TODO_update_tmt_usage): New todo.
8645 * tree-ssa-alias.c (updating_used_alone): New variable.
8646 (recalculate_used_alone): New function.
8647 (compute_may_aliases): Set updating_used_alone, call
8648 recalculate_used_alone.
8649 * tree-sra.c (pass_sra): Note that this pass destroys
8650 PROP_tmt_usage, and add TODO_update_tmt_usage.
8651 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8652 * tree-flow.h (updating_used_alone): Prototype.
8653 (recalculate_used_alone): Ditto.
8654 * passes.c (execute_todo): Add code to set updating_used_alone,
8655 and call recalculate.
8656 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8657 for clobber if used alone, and add assert to verify used_alone
8660 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8662 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8663 for non tls symbols added.
8664 (legitimize_address): Do nothing for PLUS expressions if one of the
8665 addends is a tls symbol reference.
8667 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8671 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8673 * Makefile.in (BOOTSTRAPPING): New.
8674 (quickstrap): New definition if BOOTSTRAPPING=yes.
8676 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8677 * configure.ac: Substitute all_selected_languages with the languages
8678 that were configured. For all the other variables except
8679 lang_specs_files, include all the languages in the tree.
8680 * configure: Regenerate.
8682 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8683 if there is one. Run the commands to run fixincludes in the same
8686 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8687 * doc/install.texi: Document exact conventions for searching target tools.
8688 Document --with-build-time-tools. Document toplevel bootstrap. Document
8689 something more about building an Ada cross-compiler. Don't list GNU Make
8690 requirements which affect all platforms.
8692 2006-02-19 Roger Sayle <roger@eyesopen.com>
8695 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8696 only equivalent if the have both the same mode and precision.
8698 2006-02-20 Ben Elliston <bje@au.ibm.com>
8700 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8702 2006-02-19 Roger Sayle <roger@eyesopen.com>
8703 Steven Bosscher <stevenb.gcc@gmail.com>
8705 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8706 constant pool references to identify stack mode constants.
8707 * rtlanal.c (constant_pool_constant_p): New predicate to check
8708 whether operand is a floating point constant in the pool.
8709 * rtl.h (constant_pool_constant_p): Prototype here.
8710 * loop.c (scan_loop): Avoid hoisting constants from the constant
8711 pool on STACK_REGS targets.
8712 (load_mems): Likewise.
8713 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8714 loads into x87 registers expensive in terms of register pressure.
8716 2006-02-19 Roger Sayle <roger@eyesopen.com>
8718 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8719 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8721 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8723 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8724 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8726 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8728 * doc/invoke.texi: Document -fipa-pta.
8729 * common.opt: Add ipa-pta option.
8730 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8731 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8732 (do_ds_constraint): Ditto.
8733 (get_constraint_for): Only add to referenced_vars if
8734 referenced_vars exists.
8735 (insert_into_field_list): Rewrite to do this unsorted.
8736 (insert_into_field_list_sorted): Rename old insert_into_field_list
8738 (create_function_info_for): Use insert_into_field_list_sorted.
8739 (create_variable_info_for): Rewrite so it uses unsorted version,
8740 since the field list is sorted.
8741 (intra_create_variable_infos): Only add to referenced_vars if
8742 referenced_vars exists.
8743 (ipa_pta_execute): Init heapvars, and delete when done.
8744 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8746 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8748 * doc/install.texi: Add missing `@samp'.
8750 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8752 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8755 2006-02-18 Mark Wielaard <mark@klomp.org>
8757 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8758 who added new 4.1 features, bug fixes and integration support.
8760 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8763 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8766 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8768 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8769 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8770 (copy_insn_1): Likewise. Don't copy each field individually.
8772 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8774 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8775 * rtl.c (rtx_size): Rename variable to...
8776 (rtx_code_size): ...this.
8777 (rtx_size): New function.
8778 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8779 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8781 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8782 * rtl.h (rtx_code_size): New variable.
8783 (rtx_size): Change from a variable to a function.
8784 (RTX_SIZE): Rename to...
8785 (RTX_CODE_SIZE): ...this.
8788 PR tree-optimization/17106
8789 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8790 (Anchored Addresses): New section.
8791 * doc/invoke.texi (-fsection-anchors): Document.
8792 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8793 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8794 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8795 * hooks.c (hook_bool_mode_rtx_false): New function.
8796 * hooks.h (hook_bool_mode_rtx_false): Declare.
8797 * gengtype.c (create_optional_field): New function.
8798 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8799 SYMBOL_REF_IN_BLOCK_P is true.
8800 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8801 (min_anchor_offset, max_anchor_offset): Likewise.
8802 (use_anchors_for_symbol_p): New hook.
8803 * toplev.c (compile_file): Call output_object_blocks.
8804 (target_supports_section_anchors_p): New function.
8805 (process_options): Check that -fsection-anchors is only used on
8806 targets that support it and when -funit-at-a-time is in effect.
8807 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8808 if the decl doesn't have one.
8809 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8810 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8811 of force_const_mem through use_anchored_address.
8812 (expand_expr_constant): New function.
8813 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8814 calling expand_expr for INDIRECT_REF.
8815 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8816 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8817 * expr.h (use_anchored_address): Declare.
8818 * loop-unroll.c: Don't declare rtx vectors here.
8819 * explow.c: Include output.h.
8820 (validize_mem): Call use_anchored_address.
8821 (use_anchored_address): New function.
8822 * common.opt (-fsection-anchors): New switch.
8823 * varasm.c (object_block_htab, anchor_labelno): New variables.
8824 (hash_section, object_block_entry_eq, object_block_entry_hash)
8825 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8826 (use_blocks_for_decl_p, change_symbol_section): New functions.
8827 (get_variable_section): New function, split out from assemble_variable.
8828 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8829 use_blocks_for_decl_p say so. Use change_symbol_section if the
8830 symbol has already been created.
8831 (assemble_variable_contents): New function, split out from...
8832 (assemble_variable): ...here. Don't output any code for
8833 block symbols; just pass them to place_block_symbol.
8834 Use get_variable_section and assemble_variable_contents.
8835 (get_constant_alignment, get_constant_section, get_constant_size): New
8836 functions, split from output_constant_def_contents.
8837 (build_constant_desc): Create a block symbol if use_object_blocks_p
8838 says so. Or into SYMBOL_REF_FLAGS.
8839 (assemble_constant_contents): New function, split from...
8840 (output_constant_def_contents): ...here. Don't output any code
8841 for block symbols; just pass them to place_section_symbol.
8842 Use get_constant_section and get_constant_alignment.
8843 (force_const_mem): Create a block symbol if use_object_blocks_p and
8844 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8845 (output_constant_pool_1): Add an explicit alignment argument.
8846 Don't switch sections here.
8847 (output_constant_pool): Adjust call to output_constant_pool_1.
8848 Switch sections here instead. Don't output anything for block symbols;
8849 just pass them to place_block_symbol.
8850 (init_varasm_once): Initialize object_block_htab.
8851 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8852 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8853 (place_block_symbol, get_section_anchor, output_object_block)
8854 (output_object_block_htab, output_object_blocks): New functions.
8855 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8856 (TARGET_ASM_OUT): Include it.
8857 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8858 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8859 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8860 (TARGET_INITIALIZER): Include them.
8861 * rtl.c (rtl_check_failed_block_symbol): New function.
8862 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8863 (block_symbol, object_block): New structures.
8864 (rtx_def): Add a block_symbol field to the union.
8865 (BLOCK_SYMBOL_CHECK): New macro.
8866 (rtl_check_failed_block_symbol): Declare.
8867 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8868 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8869 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8870 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8871 * output.h (output_section_symbols): Declare.
8872 (object_block): Name structure.
8873 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8874 (default_use_anchors_for_symbol_p): Declare.
8875 * Makefile.in (RTL_BASE_H): Add vec.h.
8876 (explow.o): Depend on output.h.
8877 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8878 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8879 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8880 (rs6000_use_blocks_for_constant_p): New function.
8882 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8884 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8886 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8889 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8892 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8894 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8898 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8901 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8902 instead of DECL_REGISTER.
8904 2006-02-18 Olivier Hainque <hainque@adacore.com>
8907 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8909 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8912 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8913 * opth-gen.awk: Handle Var and InverseMask together.
8914 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8915 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8916 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8917 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8919 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8920 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8921 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8922 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8923 LINUX_DYNAMIC_LINKER): Define.
8924 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8925 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8927 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8928 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8929 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8930 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8931 (TARGET_C99_FUNCTIONS): Don't define.
8932 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8933 GLIBC_DYNAMIC_LINKER.
8934 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8935 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8936 GLIBC_DYNAMIC_LINKER64): Define.
8937 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8938 LINUX_DYNAMIC_LINKER64.
8939 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8940 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8941 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8942 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8943 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8944 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8945 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8946 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8947 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8948 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8949 and LINUX_DYNAMIC_LINKER32.
8950 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8951 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8952 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8953 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8954 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8956 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8957 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8958 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8959 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8960 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8961 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8962 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8963 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8964 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8965 LINUX_DYNAMIC_LINKER): Define.
8966 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8967 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8968 GLIBC_DYNAMIC_LINKER64): Define.
8969 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8970 LINUX_DYNAMIC_LINKER64.
8971 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8972 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8973 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8974 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8975 LINUX_DYNAMIC_LINKER): Define.
8976 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8977 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8978 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8979 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8980 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8981 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8982 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8983 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8984 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8985 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8986 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8987 * doc/invoke.texi (-muclibc): Remove caveat about supported
8990 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8992 * doc/cpp.texi (__TIMESTAMP__): Document.
8994 2006-02-17 Roger Sayle <roger@eyesopen.com>
8997 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8998 C is one less than the width of X (and related transformations).
8999 * simplify-rtx.c (simplify_unary_operation_1): Transform
9000 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9001 depending on STORE_FLAG_VALUE, were C is one less then the
9004 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9006 Fix PR tree-optimization/26341
9007 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9008 about NAME_MEMORY_TAG's.
9010 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9013 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9014 with hardware float support, and software float support. Add fcpy
9015 alternative to hardware patterns. Add alternatives to copy between
9016 general and floating-point registers to the 32-bit pattern.
9017 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9018 secondary reload to load a QI or HI mode constant into a floating
9020 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9021 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9023 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9026 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9028 (load_macho_picbase_di): Likewise.
9030 2006-02-16 Jeff Law <law@redhat.com>
9032 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9033 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9034 (ssa_name_nonzero_p): Likewise.
9035 (get_value_range): Return NULL if VRP is not running.
9036 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9037 VRP routines do not discover a range.
9038 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9039 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9040 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9041 (tree_expr_nonnegative_p): Similarly.
9042 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9043 (restore_nonzero_vars_to_original_value): Remove.
9044 (unsafe_associative_fp_binop): Remove.
9045 (tree_ssa_dominator_optimize): Remove initialization and
9046 finalization of nonzero_vars and nonzero_vars_stack.
9047 (dom_opt_initialize_block): No longer push marker on
9049 (dom_opt_finalize_block): No longer call
9050 restore_nonzero_vars_to_original_value.
9051 (record_equivalences_from_phis): No longer look for
9052 nonzero PHI arguments.
9053 (cprop_into_successor_phis): No longer propagate nonzero
9054 property into PHI arguments. Lose unused argument. Caller
9056 (record_equivalences_from_stmt): No longer record nonzero
9057 values for SSA_NAMEs.
9058 (lookup_avail_expr): No longer use nonzero_vars.
9060 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9061 for sizetype when sizetype is unsigned.
9063 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9065 PR rtl-optimization/25603
9066 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9067 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9068 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9069 with new meaning of SETS.
9071 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9076 * config/linux.opt: New file.
9077 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9078 LINUX_DYNAMIC_LINKER): Define.
9079 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9080 * config.gcc (*-*-linux*): Define extra_options.
9081 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9082 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9083 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9084 GLIBC_DYNAMIC_LINKER.
9085 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9086 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9087 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9088 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9089 * doc/invoke.texi (GNU/Linux Options): New section.
9091 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9093 * config/sparc/sparc.md (setjmp): Rewrite.
9094 (setjmp_32): Delete.
9095 (setjmp_64): Likewise.
9097 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9099 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9102 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9104 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9107 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9109 PR rtl-optimization/26296
9110 * Makefile.in (loop-invariant.c): Add except.h dependency.
9111 * loop-invariant.c: Include except.h.
9112 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9114 2005-02-16 Paul Brook <paul@codesourcery.com>
9116 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9119 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9121 PR rtl-optimization/25636
9122 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9123 when deciding whether an insn is an initializing insn.
9125 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9127 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9128 (tree_code_size): Ditto.
9129 * tree.h (struct tree_memory_tag): Remove parent_var.
9130 (struct tree_struct_field_tag): New.
9133 (union tree_node): Add sft member.
9134 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9136 (create_sft): Add size and offset argument, set SFT_OFFSET and
9138 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9139 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9140 * tree-flow-inline.h (get_subvar_at): Update for
9141 SFT_OFFSET/SFT_SIZE.
9142 (var_can_have_subvars): Ditto.
9143 (overlap_subvar): Ditto.
9144 * print-tree.c (print_node): Print out interesting things for
9146 * tree-flow.h (struct subvar): Remove offset and size members.
9147 * tree-ssa-operands.c (get_expr_operands): Update for
9148 get_indirect_ref_operands changes.
9149 (get_indirect_ref_operands): Call add_virtual_operand instead of
9150 add_stmt_operand. Only recurse on base var if requested.
9151 (access_can_touch_variable): New function.
9152 (add_stmt_operand): Split virtual operand handling into ...
9153 (add_virtual_operand): Here. Add offset, size, and for_clobber
9154 arguments. Prune alias sets.
9155 (add_call_clobber_ops): Call add_virtual_operand.
9157 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9160 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9162 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9163 than TREE_CODE as index into omp_clause_num_ops array.
9165 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9167 PR rtl-optimization/26184
9168 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9170 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9171 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9172 must_precede, must_follow and tobe_scheduled.
9175 * opts.c (common_handle_option): Free new_option pointer.
9176 * df-core.c (df_analyze): Free postorder pointer.
9178 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9180 * Makefile.in: Fix the examples about the use of stamps
9182 2006-02-15 Michael Matz <matz@suse.de>
9186 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9187 influenced by maximum_field_alignment or DECL_PACKED.
9188 (update_alignment_for_field): Ditto.
9189 (place_field): Ditto.
9190 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9193 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9195 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9196 (debug_flow_info): Pass it.
9197 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9198 * bb-reorder.c (reorder_basic_blocks): Likewise.
9199 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9200 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9201 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9202 * gcse.c (gcse_main, bypass_jumps): Likewise.
9203 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9204 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9205 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9206 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9207 * rtl.h (dump_flow_info): Adjust prototype.
9208 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9209 * var-tracking.c (variable_tracking_main): Likewise.
9210 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9211 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9214 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9216 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9219 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9221 PR tree-optimization/26209
9222 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9223 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9225 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9227 2006-02-14 Roger Sayle <roger@eyesopen.com>
9230 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9231 (X,Y) and the corresponding symmetry related transformations.
9232 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9233 (X,Y) and its symmetry related transformations.
9235 2006-02-14 Roger Sayle <roger@eyesopen.com>
9237 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9240 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9242 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9244 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9247 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9248 support COMDAT group.
9249 * configure: Regenerate.
9251 2006-02-14 Roger Sayle <roger@eyesopen.com>
9256 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9258 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9260 Fix PR tree-optimization/26260
9262 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9264 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9265 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9266 * tree-ssa-structalias.c (create_variable_info_for): Use
9267 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9269 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9271 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9273 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9274 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9275 of the ending condition.
9276 * tree-ssa-loop-manip.c: Include params.h.
9277 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9278 tree_unroll_loop): New functions.
9279 * tree-pass.h (pass_loop_prefetch): Declare.
9280 * loop.c (rest_of_handle_loop_optimize): Test for
9281 -fprefetch-loop-arrays-rtl.
9282 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9283 * timevar.def (TV_TREE_PREFETCH): New timevar.
9284 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9285 pass_loop_prefetch): New.
9286 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9287 (cleanup_tree_cfg_loop): Call scev_reset.
9288 * common.opt (fprefetch-loop-arrays-rtl): Add.
9289 * tree-ssa-loop-prefetch.c: New file.
9290 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9291 (new_temp_expr_table): Initialize expr_vars.
9292 (free_temp_expr_table): Cleanup expr_vars.
9293 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9294 expressions from being merged into one.
9295 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9296 (struct tree_niter_desc): Add control, bound and cmp fields.
9297 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9299 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9300 (tree-cfgcleanup.o): Add SCEV_H dependency.
9301 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9302 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9304 2006-02-14 Richard Guenther <rguenther@suse.de>
9306 PR tree-optimization/26258
9307 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9308 in PHI argument processing.
9310 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9312 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9313 new expression in the requested machine mode.
9315 2006-02-13 Roger Sayle <roger@eyesopen.com>
9317 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9318 directly, instead let do_compare_rtx_and_jump handle this for us.
9319 * expr.c (expand_expr_real_1): Likewise.
9320 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9321 before do_jump_by_parts_greater.
9322 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9323 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9325 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9327 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9329 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9331 PR rtl-optimization/26235
9332 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9333 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9336 2006-02-13 Jeff Law <law@redhat.com>
9338 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9341 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9344 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9345 twice if decl is a builtin. When trying again, call get_callee_fndecl
9346 first to verify it is still a builtin.
9348 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9350 * dwarf2out.c (base_type_die): Don't add AT_name here.
9351 (subrange_type_die): Don't add AT_name here.
9352 (modified_type_die): Rearrange code flow. Do add AT_name here.
9354 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9356 PR rtl-optimization/26247
9357 PR rtl-optimization/26248
9358 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9360 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9362 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9363 * config/fixtfdi.c: Likewise.
9364 * config/fixunstfdi.c: Likewise.
9365 * config/floatditf.c: Likewise.
9367 2006-02-13 Roger Sayle <roger@eyesopen.com>
9370 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9371 into (X,C2) if C1 is a subset of the bits of C2. Transform
9372 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9374 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9376 2006-02-13 Josh Conner <jconner@apple.com>
9379 * varasm.c (function_section): Check for section name before
9380 calling select_section on targets that define
9381 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9382 unlikely_text_section instead of hot_function_section if
9383 first_function_block_is_cold.
9385 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9388 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9390 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9392 PR rtl-optimization/26222
9393 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9394 after tree->rtl expansion.
9395 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9396 before passing it to emit_move_insn.
9398 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9400 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9402 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9403 Clarify documentation.
9404 * c-common.h (warn_write_strings): Remove.
9405 * c-common.c (warn_write_strings): Likewise.
9406 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9409 2006-02-12 Roger Sayle <roger@eyesopen.com>
9412 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9413 (do_jump_parts_zero_rtx): New function renamed from
9414 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9415 (do_jump_parts_equality_rtx): New function split out from
9416 do_jump_parts_equality. Old implementation renamed as above.
9417 Call do_jump_parts_zero_rtx if either operand is zero.
9418 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9419 do all of the heavy lifting.
9420 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9421 calling either do_jump_by_parts_greater_rtx or
9422 do_jump_by_parts_equality_rtx.
9423 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9424 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9425 moved to do_compare_rtx_and_jump, call it directly.
9426 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9427 mode argument. Call do_compare_rtx_and_jump.
9428 (emit_case_nodes): Update calls to do_jump_if_equal.
9430 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9432 PR rtl-optimization/26225
9433 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9435 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9437 PR rtl-optimization/26232
9438 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9440 2006-02-11 Jason Merrill <jason@redhat.com>
9443 * tree-inline.c (declare_return_variable): Just don't use the
9444 modify target if it's a gimple complex reg and the return slot
9447 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9449 * doc/contrib.texi: Update my entry.
9451 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9453 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9455 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9457 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9460 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9462 * doc/invoke.texi (-floop-optimize2): Removed.
9463 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9464 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9465 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9466 * common.opt (floop-optimize2): Removed.
9467 (fmove-loop-invariants): Enabled by default.
9469 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9471 * tree-if-conv.c (combine_blocks): Free the result of
9472 get_loop_exit_edges.
9474 2006-02-10 Jeff Law <law@redhat.com>
9476 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9478 PR tree-optimization/26213
9479 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9480 loop trying to follow SSA_NAME_VALUE chains.
9482 2006-02-10 Richard Guenther <rguenther@suse.de>
9484 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9485 deal with structures that end in implicitly variable sized arrays.
9487 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9489 PR rtl-optimization/24762
9490 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9493 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9495 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9496 (struct ivopts_data): Add regs_used field.
9497 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9498 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9499 instead of loop_data->regs_used;
9500 (free_loop_data): Do not free aux fields for loops.
9501 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9502 and tree_ssa_iv_optimize_finalize.
9504 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9506 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9508 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9511 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9512 computing the effective result type.
9514 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9517 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9518 (tree_overlaps_hard_reg_set): Declare.
9519 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9520 type and signature to match function type expected by walk_tree.
9521 (tree_overlaps_hard_reg_set): New function.
9522 (decl_conflicts_with_clobbers_p): Rename to:
9523 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9524 Use tree_overlaps_hard_reg_set. Changed caller.
9525 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9526 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9527 * cris.c (cris_md_asm_clobbers): Likewise.
9529 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9531 * reload1.c (emit_input_reload_insns): Delete code that tries to
9532 inherit using find_equiv_reg.
9534 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9536 * c-common.h (flag_const_strings): Don't declare.
9537 * c-common.c (flag_const_strings): Remove.
9538 * c.opt (fconst_strings): Remove.
9539 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9540 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9541 (c_common_init_options): Don't set flag_const_strings.
9542 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9544 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9546 * arm.md (tlobits_cbranch): New pattern.
9547 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9548 testing a single bit.
9550 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9553 * tree-ssa-pre.c (create_component_ref_by_pieces):
9554 Handle RETURN_DECL like VAR_DECL.
9556 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9559 * fold-const.c (fold_indirect_ref_1): Fold
9560 "*(foo *)&complexfoo" to "__real__ complexfoo"
9561 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9563 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9565 * tree-flow-inline.h (var_can_have_subvars):
9566 Volatile variables should not have subvariables.
9568 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9571 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9572 multiplying unsigned values.
9575 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9577 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9579 2006-02-08 Jason Merrill <jason@redhat.com>
9582 * tree.def: Elaborate on difference from MODIFY_EXPR.
9583 * doc/c-tree.texi (INIT_EXPR): Likewise.
9584 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9585 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9586 (gimplify_target_expr): Likewise.
9587 (gimplify_cond_expr): Remove target handling.
9588 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9589 (gimplify_expr): Clobber it here.
9590 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9591 Do return slot optimization if we have an INIT_EXPR.
9594 * tree-inline.c (declare_return_variable): Also clear
9595 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9598 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9601 * gimplify.c (gimplify_one_sizepos): Fix typo.
9603 2006-02-08 Jeff Law <law@redhat.com>
9605 PR tree-optimization/21417
9606 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9607 across a backedge if the control statement at the end of the
9608 block is data dependent on other statements in the same block.
9609 (record_temporary_equivalences_from_stmts): Remove over-conservative
9610 test for threading across backedges.
9612 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9613 control statement, handle all three special cases in the same
9614 manner as they all have the same desired solution. No longer
9615 special case edge flag updating when the post dominator is
9618 2006-02-08 Roger Sayle <roger@eyesopen.com>
9620 * tree.def (CHAR_TYPE): Remove.
9621 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9622 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9623 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9624 (gen_string_type_die): Delete unreachable function.
9626 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9627 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9628 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9629 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9630 * builtins.c (type_to_class): Likewise.
9631 * fold-const.c (fold_convert, build_range_check,
9632 merge_ranges): Likewise.
9633 * expr.c (count_type_elements): Likewise.
9634 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9635 * stor-layout.c (layout_type): Likewise.
9636 * ipa-type-escape.c (type_to_consider): Likewise.
9637 * gimplify.c (omp_firstprivatize_type_sizes,
9638 gimplify_type_sizes): Likewise.
9639 * explow.c (promote_mode): Likewise.
9640 * tree-sra.c (is_sra_scalar_type): Likewise.
9641 * varasm.c (output_constant): Likewise.
9642 * tree-inline.c (remap_type_1): Likewise.
9643 * convert.c (convert_to_pointer, convert_to_real,
9644 convert_to_integer, convert_to_complex): Likewise.
9646 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9648 * df-scan.c (df_def_record_1): A set destination may
9649 be a parallel regardless of mode.
9651 2006-02-08 Roger Sayle <roger@eyesopen.com>
9654 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9655 * config/mips/_tilib.c: Remove.
9656 * config/fixtfdi.c: New libgcc source file.
9657 * config/fixunstfdi.c: New source file.
9658 * config/floatditf.c: New source file.
9659 * config/floatunditf.c: New souce file.
9660 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9661 files above instead of config/mips/_tilib.c.
9662 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9664 2006-02-08 Jeff Law <law@redhat.com>
9666 PR tree-optimization/26169
9667 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9670 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9672 * df.h (DF_REG_SIZE): Return the length of the initialized
9675 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9677 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9678 __muldf3): Return a correctly signed zero.
9680 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9682 * passes.c (register_one_dump_file): Accept the current properties
9683 instead of pass number. Adjust call to dump_register. Remove
9685 (register_dump_files): Now a wrapper around...
9686 (register_dump_files_1): ... this one. Do not modify the pass
9688 (next_pass_1): Cosmetic fix.
9689 (execute_todo): Keep second parameter only. Use curr_properties
9690 instead of fetching it from the pass structure. Check and set
9692 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9693 instead of fetching it from the pass structure. Fix calls to
9694 execute_todo. Update curr_properties and initialize .vcg RTL dump
9695 after running the pass. Reset last_verified.
9696 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9698 (FIRST_AUTO_NUMBERED_DUMP): New.
9699 (dump_register): Remove "num" parameter, assign it within the
9701 (get_dump_file_name): Modify template for dumps.
9702 * tree-dump.h (dump_register): Adjust prototype.
9703 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9704 (PROP_trees): Add PROP_gimple_lomp.
9705 (TODO_set_props): New.
9706 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9707 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9708 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9710 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9712 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9713 (sparc64-*-linux*): Likewise.
9714 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9715 * config/sparc/t-linux: New file.
9716 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9717 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9718 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9719 -m32 -mlong-double-128.
9721 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9722 * config/alpha/t-linux: New file.
9723 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9725 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9726 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9727 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9728 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9729 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9730 (CPP_ARCH32_SPEC): Remove.
9732 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9734 PR tree-optimization/26145
9735 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9738 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9741 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9742 >= 240000 when generating code for SOM runtime.
9743 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9744 to $$dyncall when generating code for SOM runtime..
9746 2006-02-07 Dirk Mueller <dmueller@suse.com>
9749 * doc/invoke.texi (-Wsequence-point): Update documentation
9750 that -Wsequence-point is implemented for C++ as well.
9752 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9754 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9755 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9756 (LIB_SPEC): Likewise.
9757 * doc/invoke.texi (SPARC options): Document -pthread.
9759 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9761 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9764 2006-02-07 Roger Sayle <roger@eyesopen.com>
9766 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9767 Correct comment describing BOOLEAN_TYPE.
9769 2006-02-07 Dirk Mueller <dmueller@suse.com>
9771 * c.opt: C++ frontend supports -Wdiv-by-zero.
9772 * c-opts.c (c_common_handle_option): Remove dead case.
9774 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9776 * configure.ac (TLS assembler check): Do not enable TLS by
9777 default on SPARC/Solaris before version 10.
9778 * configure: Regenerate.
9780 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9782 * doc/invoke.texi (xl-compat): Document conversion and support
9785 2006-02-07 Jeff Law <law@redhat.com>
9787 * tree-vrp.c (find_conditional_asserts): Update comments.
9788 (simplify_stmt_for_jump_threading): New.
9789 (identify_jump_threads, finalize_jump_threads): New.
9790 (vrp_finalize): Call identify_jump_threads.
9791 (execute_vrp): Call finalize_jump_threads.
9792 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9793 (vrp_element, vrp_data, vrp_element_p): Remove.
9794 (vrp_hash_elt, vrp_variables_stack): Remove.
9795 (vrp_hash, vrp_eq, record_range): Remove.
9796 (simplify_cond_and_lookup_avail_expr): Remove.
9797 (extract_range_from_cond): Remove.
9798 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9799 (simplify_stmt_for_jump_threading): New.
9800 (dom_thread_across_edge): New wrapper.
9801 (tree_ssa_dominator_optimize): No longer initialize or
9802 finalize any of the VRP datastructures. Remove iteration
9803 step and simplify as a result of removal of iteration step.
9804 (pass_dominator): Perform a cfg cleanup after DOM.
9805 (dom_opt_finalize_block): Use the new common routines
9806 for threading jumps. Simplify stack management slightly.
9807 No longer need to unwind VRP state.
9808 (record_equivalences_from_incoming_edge): No longer record
9810 (eliminate_redundant_computations): No longer call
9811 simplify_cond_and_lookup_avail_expr.
9812 * tree-flow.h (potentially_threadable_block): Prototype.
9813 (thread_across_edge): Likewise.
9814 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9815 (tree-ssa-threadedge.o): Add dependencies.
9816 * tree-ssa-threadedge.c: New file.
9817 * passes.c (init_optimization_passes): Merge PHIs before
9818 calling VRP. Run VRP again late in the SSA optimization pipeline.
9820 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9822 * df-core.c (df_set_blocks): Do not dereference function pointers.
9823 (df_finish1): Likewise.
9824 (df_hybrid_search_forward): Likewise.
9825 (df_hybrid_search_backward): Likewise.
9826 (df_iterative_dataflow): Likewise.
9827 (df_analyze_problem): Likewise.
9828 (df_compact_blocks): Likewise.
9829 (df_dump): Likewise.
9830 * df-scan.c (df_rescan_blocks): Likewise.
9831 (df_record_entry_block_defs): Likewise.
9833 * genconditions.c (write_conditions): Guard the definition of
9834 'insn_conditions' with the check on GCC version.
9835 (write_writer): Guard the traversal 'insn_conditions' with
9836 the check on GCC version.
9838 2006-02-07 Richard Guenther <rguenther@suse.de>
9842 2006-01-30 Richard Guenther <rguenther@suse.de>
9844 * gimplify.c (gimplify_target_expr): Handle easy cases
9845 without creating a temporary.
9847 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9849 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9850 use of float in probability computations. Use edge probabilities
9851 in place of statically computed probabilities.
9852 (min_spec_prob): New static variable.
9853 (schedule_insns): Initialize it.
9854 (GET_SRC_PROB): Removed.
9855 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9857 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9860 * config/ia64/unwind-ia64.c: Revert last change.
9861 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9862 (INCOMING_FRAME_SP_OFFSET): Define.
9864 2006-02-06 Roger Sayle <roger@eyesopen.com>
9866 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9868 2006-02-07 Ben Elliston <bje@au.ibm.com>
9870 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9871 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9872 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9873 (ix86_return_in_memory): Handle TDmode.
9874 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9875 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9877 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9879 * reorg.c (dbr_schedule): Use dump_file instead of file.
9881 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9884 * config/ia64/predicates.md (extr_len_operand): New predicate.
9885 * config/ia64/ia64.md (extv): Tighten constraints.
9887 (*tbit_and_2): Ditto.
9888 (*tbit_and_3): Ditto.
9889 (*tbit_or_2): Ditto.
9890 (*tbit_or_3): Ditto.
9894 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9897 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9899 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9901 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9902 loop_optimizer_init and loop_optimizer_finalize
9903 * tree-ssa-sink.c (execute_sink_code): Ditto.
9904 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9905 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9906 tree_ssa_loop_done): Ditto.
9907 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9908 * sched-ebb.c: Include output.h.
9909 (schedule_ebbs): Do not use dump argument.
9910 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9911 * loop.c (loop_dump_stream): Removed.
9912 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9914 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9915 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9916 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9917 loop_iterations, strength_reduce, record_biv, record_giv,
9918 final_giv_value, check_final_value, check_ext_dependent_givs,
9919 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9920 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9921 dump_file instead of loop_dump_stream.
9922 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9924 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9926 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9927 * haifa-sched.c: Include output.h
9928 (schedule_insns, sched_init): Do not use dump argument.
9929 * mode-switching.c (optimize_mode_switching): Ditto.
9930 * modulo-sched.c (stats_file): Removed.
9931 (print_node_sched_params): Do not call argument dump_file.
9932 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9933 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9935 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9937 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9938 rtl_loop_init, rtl_loop_done): Ditto.
9939 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9940 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9942 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9943 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9944 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9945 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9946 * emit-rtl.c (renumber_insns): Ditto.
9947 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9948 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9949 * regclass.c (regclass): Ditto.
9950 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9951 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9952 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9953 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9955 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9956 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9958 * gcse.c (gcse_file, debug_stderr): Removed.
9959 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9960 rest_of_handle_gcse): Do not use dump argument.
9961 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9962 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9963 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9964 compute_code_hoist_vbeinout, compute_code_hoist_data,
9965 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9966 compute_store_table, build_store_vectors, insert_insn_start_bb,
9967 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9968 store_motion): Use dump_file instead of gcse_file.
9969 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9970 * profile.c (profile_dump_file): Removed.
9971 (branch_prob): Use dump_file instead of profile_dump_file.
9972 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9974 * tree-ssa-copy.c (dump_copy_of): Ditto.
9975 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9976 dump file to life_analysis.
9977 * bt-load.c (branch_target_load_optimize): Ditto.
9978 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9980 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9981 regclass, dbr_schedule): Declaration changed.
9982 * sched-int.h (sched_init): Declaration changed.
9983 * tree-profile.c (tree_profile_dump_file): Removed.
9984 (tree_profile_hooks): Removed profile_dump_file hook.
9985 * rtl-profile (rtl_profile_dump_file): Removed.
9986 (rtl_profile_hooks): emoved profile_dump_file hook.
9987 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9989 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9990 * tree-cfg.c (build_tree_cfg): Ditto.
9991 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9992 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9993 Declaration changed.
9994 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9995 life_analysis and schedule_insns.
9996 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9998 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10000 * config/mips/mips.c (mips_reorg): Ditto.
10001 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10004 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10006 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10007 (s390_mangle_fundamental_type): New.
10008 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10011 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10012 (alpha_mangle_fundamental_type): New.
10013 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10016 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10018 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10020 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10021 (sparc_mangle_fundamental_type): New.
10023 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10025 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10026 (s390x-*-linux*): Likewise.
10027 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10028 * config/s390/t-linux: New file.
10030 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10032 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10033 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10035 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10037 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10038 (ANTIC_SAFE_LOADS): New macro.
10039 (find_or_generate_expression): Add prototype.
10040 (set_contains_value): Allow null set for sake of not always having
10041 to allocate ANTIC_SAFE_LOADS.
10042 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10043 Allow COMPONENT_REF too.
10044 (valid_in_set): Allow COMPONENT_REF.
10045 Check ANTIC_SAFE_LOADS too.
10046 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10047 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10049 (can_PRE_operation): Add COMPONENT_REF.
10050 (create_component_ref_by_pieces): New function.
10051 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10052 (insert_aux): Move AGGREGATE_TYPE_P check here.
10053 (compute_avail): Set bb local stmt uids.
10054 (pass_pre): Use TODO_update_ssa_only_virtuals.
10056 2006-02-06 Ben Elliston <bje@au.ibm.com>
10058 * configure.ac: Unconditionally disable decimal float by default.
10059 * configure: Regenerate.
10061 2006-02-06 Ben Elliston <bje@au.ibm.com>
10063 * read-rtl.c (read_name): Terminate reading on EOF.
10065 2006-02-06 Ben Elliston <bje@au.ibm.com>
10067 * dfp.c (decimal_real_arithmetic): Change second argument type
10068 from int to enum tree_code. Do not always return true, but now
10069 return result of any call to decimal_do helper functions.
10070 * dfp.h (decimal_real_arithmetic): Update prototype.
10072 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10074 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10076 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10079 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10082 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10084 * tree-vrp.c (cfg_loops): Removed.
10085 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10086 Use current_loops instead of cfg_loops. Pass flags to
10087 loop_optimizer_init.
10088 * cfgloopmanip.c (fix_loop_structure): Update only available
10090 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10091 loop_optimizer_init.
10092 * modulo-sched.c (build_loops_structure): Removed.
10093 (sms_schedule): Use loop_optimizer_init.
10094 * loop-init.c (loop_optimizer_init): Use flags to determine
10095 which properties of loops to prepare.
10096 (rtl_loop_init): Pass flags to loop_optimizer_init.
10097 * tree-ssa-sink.c (execute_sink_code): Ditto.
10098 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10099 * tree-ssa-pre.c (init_pre): Ditto.
10100 * cfgloop.h (LOOPS_NORMAL): New.
10101 (loop_optimizer_init): Declaration changed.
10103 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10105 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10106 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10108 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10110 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10112 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10113 * pa/t-pa64: Delete quadlib.c rule.
10114 * pa/x-ada: Revert last change.
10115 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10117 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10119 PR rtl-optimization/26087
10120 * rtlanal.c (canonicalize_condition): Do not cross basic block
10123 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10126 * config/ia64/ia64.c: Include debug.h.
10127 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10128 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10129 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10130 (process_epilogue, process_set, process_for_unwind_directive):
10131 Output unwind info only if requested. Add CFA info if requested.
10132 Add new arguments as needed. Adjust callers.
10133 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10135 (DWARF2_FRAME_INFO): Define to zero.
10136 * config/ia64/unwind-ia64.c: Remove code that compensated for
10137 the CFA offset error fixed above.
10138 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10139 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10140 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10141 -funwind-tables and -fexceptions to enable frame info.
10142 (dwarf2out_frame_init): Define initial CFA even if
10143 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10144 DWARF2_UNWIND_INFO is nonzero, not just defined.
10145 (dwarf2out_frame_finish): Output non-EH call frame info only
10146 if DWARF2_FRAME_INFO is nonzero.
10147 (convert_cfa_to_loc_list,
10148 compute_frame_pointer_to_cfa_displacement): Define even if
10149 unwind info is not supported.
10150 (gen_subprogram_die): Use the above unconditionally. Remove
10151 legacy alternate code.
10152 * toplev.c (compile_file): Compile in call to
10153 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10154 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10156 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10157 Jakub Jelinek <jakub@redhat.com>
10159 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10160 IBM extended float format long double as "g" on powerpc*-linux.
10162 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10165 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10166 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10168 2006-02-03 Jason Merrill <jason@redhat.com>
10171 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10173 PR middle-end/25977
10174 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10175 on the return slot if it's an NRV.
10177 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10179 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10180 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10181 rewrite_use): Do not handle USE_OUTER.
10182 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10183 add_iv_outer_candidates, may_replace_final_value,
10184 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10185 (find_interesting_uses_op): Functionality of
10186 find_interesting_uses_outer_or_nonlin moved here.
10187 (find_interesting_uses_outside): Use find_interesting_uses_op.
10189 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10192 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10194 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10195 Ulrich Weigand <uweigand@de.ibm.com>
10198 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10199 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10200 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10201 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10203 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10204 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10205 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10206 Define secondary reloads for TFmode moves.
10207 (constant_modes): Add TFmode.
10208 (NR_C_MODES): Set to 8.
10209 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10211 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10212 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10213 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10214 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10215 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10216 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10217 (FPR mode macro): Add TFmode.
10218 (DSF mode macro): New.
10219 (<de>, <dee> mode attributes): Removed.
10220 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10221 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10222 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10223 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10224 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10225 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10226 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10227 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10228 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10229 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10230 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10231 "*negabs<mode>2", "sqrt<mode>2"):
10232 Changed <de> to <xde>. R constraint replaced by <Rf>.
10233 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10235 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10236 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10237 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10239 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10240 "extenddftf2", "extendsftf2"): New expanders.
10241 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10242 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10243 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10244 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10246 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10247 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10248 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10249 __floatditf): Add a GCC_4.1.0 symbol version tag.
10250 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10253 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10256 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10257 Use targetm.binds_local_p instead of TREE_PUBLIC.
10259 2006-02-02 Roger Sayle <roger@eyesopen.com>
10261 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10262 on INTEGER_TYPEs to indicate that it denotes a character type.
10263 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10264 signed_char_type_node, unsigned_char_type_node and char_type_node.
10265 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10266 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10267 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10269 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10270 Daniel Berlin <dberlin@dberlin.org>
10272 * tree-tailcall.c (arg_needs_copy_p): New function.
10273 (eliminate_tail_call): Use arg_needs_copy_p.
10274 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10275 (add_virtual_phis): New function.
10277 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10279 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10280 #ignore instead of #scratch for %g7 .register directive.
10282 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10284 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10287 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10289 * flow.c (calculate_global_regs_live): Assert that there aren't any
10292 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10294 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10295 what its name says.
10296 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10297 bsi_after_labels iterator.
10298 * tree-if-conv.c (find_phi_replacement_condition,
10299 replace_phi_with_cond_modify_expr): Likewise.
10300 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10301 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10303 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10305 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10307 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10310 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10311 array after growing it.
10313 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10315 PR middle-end/24901
10316 * fold-const.c (fold_checksum_tree): Change type of buf.
10318 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10320 * reload.c (push_secondary_reload): Initialize t_icode.
10322 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10324 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10325 -msoft-float -mlong-double-128 only issue a warning, but don't
10326 swich to DFmode long double.
10328 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10330 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10331 has a constant equivalent, iterate over equivalents for arg0,
10332 calling simplify_relational_operation and if there's a result
10333 cheaper than X, apply fold_rtx and return the result.
10335 2006-02-01 Jan Hubicka <jh@suse.cz>
10337 * opts.c (no_unit_at_a_time_default): New global variable.
10338 (decode_options): Use it.
10339 * opts.h (no_unit_at_a_time_default): Declare.
10341 2006-02-01 Paul Brook <paul@codesourcery.com>
10343 * function.c (assign_parm_setup_reg): Use function argument promotion
10345 * expr.c (expand_expr_real_1): Use function argument promotion rules
10348 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10350 * gcc.c (process_command): Change j to 'unsigned int'.
10352 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10354 PR middle-end/26001
10355 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10356 Use the corrected index for the character
10357 out of the string constant.
10359 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10361 * mode-switching.c (optimize_mode_switching): Fix size
10362 allocated for bb_info[n_entities].
10364 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10366 * gcc.c (main): Correct type that is allocated for
10367 explicit_link_files.
10369 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10371 * config/s390/s390.c (init_alignment_context): Set
10372 ALIAS_SET_MEMORY_BARRIER on the MEM.
10373 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10375 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10377 PR middle-end/25933
10378 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10380 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10383 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10385 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10386 * regrename.c: Ditto.
10387 * tree-ssa-loop-im.c: Ditto.
10388 * tree-dump.c: Ditto.
10389 * tree-complex.c: Ditto.
10390 * genrecog.c: Ditto.
10391 * tree-ssa-threadupdate.c: Ditto.
10393 * java/class.c: Ditto.
10394 * java/jcf-parse.c: Ditto.
10395 * java/resource.c: Ditto.
10396 * java/except.c: Ditto.
10397 * java/jvspec.c: Ditto.
10398 * java/jcf-write.c: Ditto.
10399 * java/jcf-path.c: Ditto.
10400 * java/gjavah.c: Ditto.
10401 * java/zextract.c: Ditto.
10402 * java/jcf-io.c: Ditto.
10403 * java/jcf.h: Ditto.
10404 * java/buffer.c: Ditto.
10405 * java/lang.c: Ditto.
10406 * java/parse-scan.y: Ditto.
10407 * java/lex.c: Ditto.
10408 * java/lex.h: Ditto.
10409 * cfgloopmanip.c: Ditto.
10410 * postreload-gcse.c: Ditto.
10411 * tree-ssa-loop-manip.c: Ditto.
10412 * postreload.c: Ditto.
10413 * tree-ssa-loop-ch.c: Ditto.
10416 * cppspec.c: Ditto.
10417 * diagnostic.c: Ditto.
10419 * genoutput.c: Ditto.
10421 * cfghooks.c: Ditto.
10422 * cfgloopanal.c: Ditto.
10423 * objc/objc-act.c: Ditto.
10425 * genextract.c: Ditto.
10426 * genautomata.c: Ditto.
10427 * pretty-print.c: Ditto.
10428 * genemit.c: Ditto.
10429 * cgraphunit.c: Ditto.
10431 * df-scan.c: Ditto.
10432 * haifa-sched.c: Ditto.
10433 * dominance.c: Ditto.
10435 * tree-ssa-loop-ivopts.c: Ditto.
10436 * df-core.c: Ditto.
10437 * mode-switching.c: Ditto.
10438 * modulo-sched.c: Ditto.
10440 * ipa-pure-const.c: Ditto.
10442 * fix-header.c: Ditto.
10444 * tree-stdarg.c: Ditto.
10445 * ipa-utils.c: Ditto.
10446 * loop-init.c: Ditto.
10447 * ipa-inline.c: Ditto.
10448 * cfganal.c: Ditto.
10450 * alloc-pool.c: Ditto.
10451 * dwarf2out.c: Ditto.
10453 * genattrtab.c: Ditto.
10454 * tree-ssa-loop-ivcanon.c: Ditto.
10455 * predict.c: Ditto.
10456 * timevar.c: Ditto.
10458 * fortran/gfortranspec.c: Ditto.
10459 * regmove.c: Ditto.
10460 * local-alloc.c: Ditto.
10461 * langhooks.c: Ditto.
10462 * function.c: Ditto.
10463 * tree-vectorizer.c: Ditto.
10465 * ipa-type-escape.c: Ditto.
10467 * tree-if-conv.c: Ditto.
10468 * profile.c: Ditto.
10470 * tree-data-ref.c: Ditto.
10471 * loop-unroll.c: Ditto.
10472 * treelang/treetree.c: Ditto.
10474 * bt-load.c: Ditto.
10475 * ggc-common.c: Ditto.
10477 * coverage.c: Ditto.
10479 * tree-cfgcleanup.c: Ditto.
10480 * tree-ssa-pre.c: Ditto.
10481 * cfgcleanup.c: Ditto.
10482 * loop-invariant.c: Ditto.
10483 * loop-iv.c: Ditto.
10484 * ipa-prop.c: Ditto.
10485 * print-tree.c: Ditto.
10486 * conflict.c: Ditto.
10487 * ggc-page.c: Ditto.
10488 * sched-deps.c: Ditto.
10489 * regclass.c: Ditto.
10490 * tree-object-size.c: Ditto.
10491 * combine.c: Ditto.
10492 * bb-reorder.c: Ditto.
10493 * resource.c: Ditto.
10494 * var-tracking.c: Ditto.
10495 * cfgloop.c: Ditto.
10496 * df-problems.c: Ditto.
10497 * reg-stack.c: Ditto.
10499 * gccspec.c: Ditto.
10500 * sched-rgn.c: Ditto.
10501 * tree-ssa-structalias.c: Ditto.
10502 * tree-ssa-reassoc.c: Ditto.
10503 * config/darwin-c.c: Ditto.
10504 * config/darwin.c: Ditto.
10505 * config/arm/arm.c: Ditto.
10507 * collect2.c: Ditto.
10508 * reload1.c: Ditto.
10510 2006-01-31 Nicolas Pitre <nico@cam.org>
10512 * arm.md (smaxsi3): Make aware of smax_m1.
10515 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10517 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10519 2006-01-31 Richard Guenther <rguenther@suse.de>
10521 * doc/invoke.texi (-msselibm): Document.
10522 * target.h (expand_library_builtin): New target hook.
10523 * builtins.c (expand_builtin): Use expand_library_builtin.
10524 (default_expand_library_builtin): New function.
10525 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10526 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10527 (link_gcc_math_spec): Declare.
10528 (static_specs): Add link_gcc_math_spec.
10529 * expr.h (default_expand_library_builtin): Declare.
10530 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10531 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10532 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10533 * config/i386/i386.opt (msselibm): New target option.
10534 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10535 (ix86_init_sse_abi_builtins): New function.
10536 (ix86_expand_library_builtin): Likewise.
10537 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10538 (override_options): Handle error conditions wrt -msselibm.
10539 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10540 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10541 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10544 2006-01-31 Richard Guenther <rguenther@suse.de>
10545 Paolo Bonzini <bonzini@gnu.org>
10547 * doc/install.texi (--disable-libgcc-math): Document.
10549 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10551 * expr.h (expand_normal): new inline function.
10552 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10553 * dojump.c: use it.
10554 * dwarf2out.c: use it.
10557 * expmed.c: use it.
10558 * except.c: use it.
10559 * config/sparc/sparc.c: use it.
10560 * config/i386/i386.c: use it.
10561 * config/rs6000/rs6000.c: use it.
10562 * config/arm/arm.c: use it.
10563 * config/mips/mips.c: use it.
10564 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10566 2006-01-30 Roger Sayle <roger@eyesopen.com>
10568 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10569 argv to the appropriate type.
10571 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10573 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10576 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10579 * config/s390/s390.c (struct machine_function): New flag
10580 decomposed_literal_pool_addresses_ok_p.
10581 (s390_reorg): Set it before final stage of literal pool transforms.
10582 (s390_decompose_address): Only accept displacements of the form
10583 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10585 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10587 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10588 the comparison routine return.
10590 2006-01-30 Michael Matz <matz@suse.de>
10592 * global.c (find_reg): Only evict for global regs.
10593 Take n_refs into account and dump more info.
10595 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10598 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10599 (pragma_trap, pragma_nosave_low_regs): Likewise.
10600 (current_function_anonymous_args): Likewise.
10601 (sh_deferred_function_attributes): New variable.
10602 (sh_deferred_function_attributes_tail): Likewise.
10603 (print_operand): For '@', look up trap_exit attribute.
10604 (calc_live_regs): Look up trapa_handler attribute. For trapa
10605 handlers, save/restore fpscr, but don't do any other
10606 interrupt-specific saves.
10607 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10608 Fix check for partially saved registers to check for SHmedia.
10609 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10610 (sh_output_function_epilogue): Don't clear any of the removed
10612 (sh_insert_attributes): Don't check pragma_interrupt.
10613 Insert deferred attributes. Check that interrupt attribute is
10614 present for other attributes that require its presence.
10615 (sh_attribute_table): Add new attributes trapa_handler and
10617 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10618 Don't check for pragma_interrupt. Don't store argument.
10619 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10620 (sh_deferred_function_attributes): Declare.
10621 (sh_deferred_function_attributes_tail): Likewise.
10622 * sh.md (sp_switch_1): Add operand. Change generator caller.
10623 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10624 (*return_i): Don't use when trap_exit attribute is in effect.
10625 (*return_trapa): New insn pattern.
10626 * sh-c.c: New file.
10627 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10628 setting c_target_objs and cxx_target_objs.
10629 * t-sh: Add rule for sh-c.o.
10631 2006-01-30 Richard Guenther <rguenther@suse.de>
10634 * gimplify.c (gimplify_target_expr): Handle easy cases
10635 without creating a temporary.
10637 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10639 * vec.h (safe_grow): Remove duplicated line.
10641 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10644 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10645 (expand_omp): ... here.
10646 (expand_omp_parallel): Only remove barriers for combined
10647 parallel+workshare constructs.
10649 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10653 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10654 * tree.c (build_qualified_type): Chain the new type to the original
10655 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10656 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10657 (build_pointer_type_for_mode): Only return unqualified types.
10658 (build_reference_type_for_mode): Likewise.
10660 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10662 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10663 * Makefile.in (CXX_COMPAT_WARN): Define.
10664 * configure: Regenerate.
10666 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10669 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10672 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10674 * toplev.c: Fix thinko.
10676 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10677 Marcin Dalecki <martin@dalecki.de>
10679 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10680 (push_srcloc): Use XNEW.
10681 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10683 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10685 * df-core.c (df_set_blocks): Deleted all variable.
10687 2006-01-28 Ian Lance Taylor <ian@airs.com>
10689 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10690 cgraph_output_pending_asms.
10692 2006-01-28 Zack Weinberg <zackw@panix.com>
10694 * c.opt: Add -W(no-)overlength-strings.
10695 * doc/invoke.texi: Document it.
10696 * c-opts.c (c_common_handle_option): -pedantic implies
10697 -Woverlength-strings, if not explicitly disabled already.
10698 (c_common_post_options): -Woverlength-strings defaults to off, and
10699 is always off for C++.
10700 * c-common.c (fix_string_type): Issue warning about strings longer
10701 than is portable only if warn_overlength_strings. Rearrange code
10702 a little for clarity.
10703 * configure.in: Check for -Wno-overlength-strings as well before
10704 enabling -pedantic in stage 1.
10705 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10706 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10708 * genconditions.c (write_header, write_one_condition)
10709 (write_conditions, write_writer): Consolidate very long strings
10710 that were broken up to fit in C89 portable limit. Don't use
10711 printf when fputs will do.
10713 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10715 * combine.c (simplify_comparison <AND>): Check
10716 TRULY_NOOP_TRUNCATION before start using a subreg.
10718 * config/mips/mips.md (*branch_zero<mode>,
10719 *branch_zero<mode>_inverted, *branch_equality<mode>,
10720 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10721 Remove mode check from comparisons.
10723 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10725 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10727 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10729 * expmed.c (const_mult_add_overflow_p): Remove.
10730 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10732 * recog.c (validate_replace_rtx_subexp): Remove.
10733 * recog.h: Remove the prototype for
10734 validate_replace_rtx_subexp.
10736 * integrate.h: Remove the prototype for
10737 copy_decl_for_inlining.
10738 * rtl.h: Remove the prototype for mark_constant_function.
10739 * tree-vectorizer.h: Remove the prototype for
10740 vect_strip_conversion.
10742 * modulo-sched.c (create_partial_schedule,
10743 free_partial_schedule, reset_partial_schedule): Make them
10746 * hooks.c (hook_bool_rtx_int_false): Remove.
10747 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10749 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10751 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10752 and -mlong-double-128 are incompatible.
10753 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10754 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10755 (TARGET_LIBGCC2_CFLAGS): Define.
10756 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10757 (TARGET_LIBGCC2_CFLAGS): Same.
10758 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10760 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10763 * c-typeck.c (build_binary_op): Perform implicit casts of
10764 operands before shortening them.
10766 * cfgloopmanip.c (split_loop_bb): Remove.
10767 * cfgloop.h: Remove the prototype for split_loop_bb.
10769 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10770 * cfgloop.h: Remove the prototype for
10771 flow_loop_outside_edge_p.
10773 * emit-rtl.c (init_virtual_regs): Make it static.
10774 * function.h: Remove the prototype for init_virtual_regs.
10776 * recog.c (peephole2_optimize): Make it static.
10777 * recog.h: Remove the prototype for peephole2_optimize.
10779 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10781 * df-scan.c (df_record_entry_block_defs): Check if
10782 INCOMING_RETURN_ADDR_RTX is defined.
10784 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10785 Kenneth Zadeck <zadeck@naturalbridge.com>
10787 PR rtl-optimization/24762
10788 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10789 * targhooks.c (hook_void_bitmap): New hook prototype.
10790 * targhoohs.h (hook_void_bitmap): Ditto.
10791 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10792 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10793 * target.h (live_on_entry): New function pointer.
10794 * df-scan.c (df_all_hard_regs): Removed.
10795 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10796 (df_scan_free_internal): Added df->entry_block_defs.
10797 (df_scan_alloc): Ditto.
10798 (df_scan_dump): Ditto.
10799 (df_uses_record): Plumbed flag field properly thru calls.
10800 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10801 This part fixes PR24762.
10802 (df_bb_refs_record): Added code to make the frame and arg
10803 pointers live in EH blocks.
10804 (df_refs_record): Added call to df_record_entry_block_defs.
10805 (df_record_entry_block_defs): New function.
10806 * df-core.c: Added comments to describe new artifical defs.
10807 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10808 (entry_block_defs): New field in struct df.
10809 (df_all_hard_regs): Deleted.
10810 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10811 * df-problems.c (df_ru_bb_local_compute_process_def):
10812 Added code to handle artifical defs in the entry to a function.
10813 (df_ru_bb_local_compute): Ditto.
10814 (df_rd_bb_local_compute_process_def): Ditto.
10815 (df_rd_bb_local_compute): Ditto.
10816 (df_lr_bb_local_compute): Ditto.
10817 (df_ur_bb_local_compute): Ditto.
10818 (df_urec_bb_local_compute): Ditto.
10819 (df_chain_create_bb): Ditto.
10820 (df_ur_local_finalize): Removed entry.
10821 (df_urec_init): Ditto.
10822 (df_urec_local_finalize): Ditto.
10823 (df_ri_bb_compute): Added detection of last use of pseudos.
10824 * Makefile.in (df-scan.o): Updated dependencies.
10825 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10826 * config/mips/mips.c (mips_set_live_on_entry): Added.
10827 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10829 * dce.c (marked_insn_p): Added code to handle artifical defs.
10831 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10833 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10835 (_mm_cvtsi128_si64): Likewise.
10836 (_mm_cvtsd_si64): Likewise.
10837 (_mm_cvttsd_si64): Likewise.
10838 (_mm_cvtsi64_sd): Likewise.
10839 (_mm_cvtsi64_si128): Likewise.
10840 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10841 (_mm_cvtsi64_m64): Likewise.
10842 (_m_to_int64): Likewise.
10843 (_mm_cvtm64_si64): Likewise.
10844 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10845 (_mm_cvttss_si64): Likewise.
10846 (_mm_cvtsi64_ss): Likewise.
10847 (_mm_cvtss_f32): Likewise.
10849 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10851 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10852 for pragma redefine_extname.
10854 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10857 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10858 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10859 -mno-minimal-toc to previous content.
10860 (bispecs): Remove goal.
10861 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10862 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10863 compatibility aliases on powerpc-*-*gnu*.
10864 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10865 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10866 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10867 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10868 (ldblspecs): New goal.
10869 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10870 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10872 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10873 L_sf_to_tf or L_df_to_tf is defined.
10875 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10876 Alan Modra <amodra@bigpond.net.au>
10879 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10880 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10881 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10882 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10883 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10884 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10885 (rs6000_override_options): Initialize rs6000_ieeequad.
10886 Initialize TFmode format to ibm_extended_format if not
10888 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10890 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10891 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10892 (function_arg_advance): IBM long double passed in two FPRs, not
10894 (function_arg): IBM long double passed in FPRs.
10895 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10896 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10897 Only multireg GPR aligned.
10898 (rs6000_init_libfuncs): Enable IBM long double functions if not
10900 (rs6000_generate_compare): Use IBM long double compare if not
10902 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10903 (TARGET_IEEEQUAD): Define.
10904 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10905 not TARGET_IEEEQUAD.
10906 * config/rs6000/rs6000.md: Enable TFmode patterns if
10908 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10909 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10910 and -mlong-double-128 are incompatible.
10911 * doc/invoke.texi (-mabi): Collect options together. Add
10912 ibmlongdouble and ieeelongdouble.
10914 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10916 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10918 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10919 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10920 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10921 * rtl.h (rtunion_def): Remove rt_ptr.
10923 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10924 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10925 * config/i386/winnt.c (i386_pe_mark_dllexport)
10926 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10928 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10930 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10932 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10936 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10937 pthread_key_delete. From John David Anglin. gthrw-ify
10938 pthread_getunique_np only if it it's not a macro. Delete
10940 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10941 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10942 __gthread_objc_condition_signal, __gthread_key_delete): Add
10943 "__attribute__ ((__unused__))" to unused arguments.
10944 (__gthread_recursive_mutex_init_function): Add missing return.
10945 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10946 gthr-posix95.h: Use macro-based approach for name redirection
10947 on targets missing weakref.
10949 2006-01-26 Zack Weinberg <zackw@panix.com>
10951 * genconditions.c (write_header): In generated code, #ifdef out
10952 all includes and fake declarations, except includes of bconfig.h
10953 and system.h, unless GCC_VERSION >= 3001. Do not include
10954 gensupport.h in any case.
10955 (write_conditions): Generate a definition of struct c_test. Add
10956 a comment to the generated #endif.
10957 (write_one_condition): Escape backslashes in string too.
10958 (write_writer): Generated code must escape backslashes and quote
10959 marks (but not newlines) in the strings it writes.
10960 * Makefile.in (build/gencondmd.o): Update dependencies.
10962 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10965 * Makefile.in (insn-automata.o): Add header file dependencies.
10966 * genautomata.c: Add includes.
10968 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10971 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10973 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10975 * configure.ac: Expect target tools paths to be passed from the toplevel
10976 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10978 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10980 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10983 * c.opt (Wpointer-sign): Init to -1.
10984 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10985 OPT_pedantic, to 0 otherwise.
10986 * doc/invoke.texi: Update.
10988 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10990 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10991 constants provided by 80387 instructions in the destination mode.
10993 2006-01-26 Richard Guenther <rguenther@suse.de>
10994 Andrew Pinski <pinskia@physics.uc.edu>
10997 partial PR tree-opt/17064
10998 * tree-ssa-structalias.c (intra_create_variable_infos):
10999 Create heap variables for incoming parameters if
11000 flag_argument_noalias > 1.
11001 (find_what_p_points_to): Look through default defs of
11004 2006-01-26 Jeff Law <law@redhat.com>
11007 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11008 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11009 within the VR_RANGE, use the VR_RANGE as the result, not the
11011 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11012 bounds for the type.
11014 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11016 * tree-ssa-alias.c (maybe_create_global_var): Change
11017 subvar walking to an assertion that we don't have subvar'd variables.
11019 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11022 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11023 Use a new variable, inner. PARM_DECLs are always non-weak.
11025 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11027 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11028 --disable-checking.
11030 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11032 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11034 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11036 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11037 (smax_insn, smin_insn, smax_0, smin_0): New.
11039 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11042 * config/cris/cris.c (cris_order_for_addsi3): New function.
11043 * config/cris/cris-protos.h: Prototype it.
11044 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11045 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11046 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11047 (split for "op.S1 [rx=rx+i],ry (swapped)")
11048 (split for "op(s|u).S1 [rx=rx+i],ry")
11049 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11050 Apply cris_order_for_addsi3 when generating addsi3 insns.
11052 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11054 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11055 (TREE_BLOCK): Add call to EXPR_CHECK.
11057 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11060 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11061 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11062 (dump_omp_clauses): ... here.
11063 (dump_generic_node): Handle OMP_CLAUSE.
11064 * tree.c (omp_clause_num_ops): New.
11065 (omp_clause_code_name): New.
11066 (tree_code_size): Handle OMP_CLAUSE.
11067 (tree_size): Likewise.
11068 (make_node): Document handling of OMP_CLAUSE.
11069 (tree_node_structure): Handle OMP_CLAUSE.
11070 (omp_clause_check_failed): New.
11071 (omp_clause_range_check_failed): New.
11072 (omp_clause_operand_check_failed): New.
11073 (build_omp_clause): New.
11074 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11075 * tree.h (enum omp_clause_code): Declare.
11076 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11077 (OMP_CLAUSE_RANGE_CHECK): Define.
11078 (OMP_CLAUSE_ELT_CHECK): Define.
11079 (omp_clause_check_failed): Declare.
11080 (omp_clause_operand_check_failed): Declare.
11081 (omp_clause_range_check_failed): Declare.
11082 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11083 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11084 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11085 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11086 (OMP_CLAUSE_IF_EXPR): Likewise.
11087 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11088 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11089 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11090 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11091 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11092 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11093 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11094 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11095 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11096 (OMP_CLAUSE_CODE): Define.
11097 (OMP_CLAUSE_SET_CODE): Define.
11098 (OMP_CLAUSE_CODE): Define.
11099 (OMP_CLAUSE_OPERAND): Define.
11100 (struct tree_omp_clause): Declare.
11101 (union tree_node): Add field 'omp_clause'.
11102 * treestruct.def (TS_OMP_CLAUSE): Define.
11103 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11104 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11105 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11106 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11107 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11108 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11109 (OMP_CLAUSE): Define.
11110 * print-tree.c (print_node): Handle OMP_CLAUSE.
11111 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11112 * c-typeck.c: Likewise.
11113 * gimplify.c: Likewise.
11114 * c-omp.c: Likewise.
11115 * tree-nested.c: Likewise.
11116 * tree-inline.c: Likewise.
11117 * c-parser.c: Likewise.
11118 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11121 2006-01-25 Roger Sayle <roger@eyesopen.com>
11123 PR rtl-optimization/25703
11124 * combine.c (try_combine): Handle zero_extract and strict_low_part
11125 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11127 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11129 * global.c: Fix comment typos.
11131 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11134 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11135 Use output_addr_const instead of assemble_name.
11137 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11139 * Makefile.in (sched-vis.o): Update dependencies.
11140 * haifa-sched.c (sched_finish): Clear current_sched_info.
11141 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11142 (dump_flow_info): Call it.
11143 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11145 * basic-block.h (dump_bb_info): Declare.
11146 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11147 option, and apply options only for dump files whose TDF_RTL,
11148 TDF_TREE, or TDF_IPA bits match.
11149 * rtl.h: Declare new functions exported from sched-vis.c.
11150 * sched-vis.c: Enable also if scheduling is not used.
11151 (print_value): Print the mode of registers if not inside scheduling.
11152 (print_insn): Make it work outside the scheduler. Beautify the output
11154 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11156 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11158 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11159 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11160 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11161 depending on the value of CONSTANT_POOL_ADDRESS_P.
11162 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11164 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11165 rather than SYMBOL_REF_DECL.
11166 (rtx_constant_pool): Remove const_rtx_sym_htab.
11167 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11168 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11169 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11170 Remove handling of const_rtx_sym_htab.
11171 (find_pool_constant): Delete.
11172 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11173 rather than find_pool_constant.
11174 (get_pool_constant_for_function): Delete.
11175 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11176 find_pool_constant.
11177 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11178 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11179 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11180 (SYMBOL_REF_CONSTANT): New macro.
11181 (get_pool_constant_for_function): Delete.
11182 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11183 rather than SYMBOL_REF_DECL.
11184 (i386_pe_mark_dllimport): Likewise.
11185 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11186 rather than SYMBOL_REF_DECL.
11187 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11188 (machopic_indirect_call_target): Likewise.
11190 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11192 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11194 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11196 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11198 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11200 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11202 2006-01-24 David Daney <ddaney@avtrex.com>
11205 * configure.ac (enable_tls): New enable option.
11206 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11207 * configure: Regenerate.
11208 * doc/install.texi (--enable-tls): Document new option.
11209 (--disable-tls): Ditto.
11211 2006-01-24 Richard Henderson <rth@redehat.com>
11213 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11214 * alias.c (true_dependence): Respect it.
11215 (canon_true_dependence, write_dependence_p): Likewise.
11216 * builtins.c (get_builtin_sync_mem): Set it.
11218 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11220 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11223 2006-01-24 DJ Delorie <dj@redhat.com>
11225 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11226 for storing constants in single-bit bitfields.
11228 2006-01-25 Ben Elliston <bje@au.ibm.com>
11230 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11232 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11235 * tree-ssa-pre.c (phi_translate): Return NULL
11236 for AGGREGATE_TYPE's.
11238 2006-01-24 Zack Weinberg <zackw@panix.com>
11240 * genautomata.c (process_state_for_insn_equiv_partition):
11241 Use xcalloc for insn_arcs_array.
11242 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11243 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11245 2006-01-24 Richard Henderson <rth@redhat.com>
11247 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11248 update all callers.
11250 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11252 PR rtl-optimization/25890
11253 PR rtl-optimization/25905
11254 * combine.c (expand_compound_operation, expand_field_assignment):
11255 Fail if the bitfield's final position is out of bounds.
11257 2006-01-24 Ian Lance Taylor <ian@airs.com>
11259 PR middle-end/25930
11260 * cgraphunit.c (cgraph_output_in_order): Don't clear
11261 cgraph_asm_nodes until after asm strings have been output.
11263 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11265 * fix-header.c (read_scan_file): Add new parameter imultilib when
11266 calling register_include_chains.
11268 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11270 * omp-low.c: Update documentation.
11272 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11273 Daniel Berlin <dberlin@dberlin.org>
11277 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11278 return from the function.
11280 2006-01-22 Zack Weinberg <zackw@panix.com>
11282 * rtl.def (match_code): Add second argument.
11283 * genpreds.c (write_extract_subexp): New function.
11284 (write_match_code): Add path argument. Use write_extract_subexp.
11285 (write_predicate_expr): Pass path to write_match_code.
11286 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11287 not perform a mode test.
11288 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11289 a subexpression does not constrain the top-level code set.
11290 * read-rtl.c (read_rtx_variadic): New function.
11291 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11292 * doc/md.texi: Document new notation.
11293 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11294 (cmpsi_operand): ... here, using new notation.
11296 2006-01-22 Zack Weinberg <zackw@panix.com>
11298 * varray.c: Remove GENERATOR_FILE #ifdefs.
11300 2006-01-22 Zack Weinberg <zackw@panix.com>
11302 * genautomata.c (output_reserved_units_table): Emit nothing if
11303 description->query_units_num is zero. Remove extra blank line.
11304 (output_cpu_unit_reservation_p): Short circuit
11305 if description->query_units_num is zero.
11307 2006-01-22 Zack Weinberg <zackw@panix.com>
11309 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11310 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11311 nor any of the random handful of variables that used to be necessary
11312 when this program was linked with rtlanal.o. Prune set of forward
11313 function declarations.
11314 (struct attr_desc): Remove static_p field.
11315 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11316 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11317 (attr_string): Do not read the character one past the length of
11319 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11320 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11321 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11322 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11323 (make_automaton_attrs): New.
11324 (main): Do not call into genautomata. Call local gen_bypass
11325 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11326 Remove special case for insn_alts.
11327 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11328 varray.h (leftover from previous change). Prune set of forward
11329 function declarations. Remove state_alts fields from all
11330 structures. Remove state_alts_table from struct automaton.
11331 Make everything except main static. Do not maintain num_dfa_decls.
11332 Do not maintain state_alts fields of various structures.
11333 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11334 (add_arc): Remove state_alts argument. All callers updated.
11335 (output_reserved_units_table): Emit #ifdef here...
11336 (output_tables): ...not here. Don't generate state_alts tables.
11337 (expand_automata): Don't generate attributes.
11338 (write_automata): Don't generate state_alts functions.
11339 (main): New function.
11340 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11341 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11342 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11343 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11344 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11345 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11346 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11347 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11349 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11350 * genattrtab.h: Delete file.
11351 * Makefile.in (OBJS-common): Add insn-automata.o.
11352 (insn-automata.o): New rule.
11353 (simple_generated_c): Add insn-automata.c.
11354 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11355 (genprogmd): Add automata.
11356 (build/genattrtab): Needs no extra objects nor libraries.
11357 (build/genautomata): Needs build/vec.o and -lm.
11359 2006-01-22 Zack Weinberg <zackw@panix.com>
11361 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11362 (output_dfa_max_issue_rate, locked_states_num): Delete.
11363 (struct automaton): Add locked_states field.
11364 (output_dead_lock_vect): Save number of locked states in
11365 automaton->locked_states. If it is zero, don't print anything.
11366 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11367 (output_internal_dead_lock_func): Only test the dead_lock_vect
11368 for automata that have locked states.
11369 (output_statistics): Always print the number of locked states for
11370 each automaton. Calculate total number of locked states here.
11371 (write_automata): Don't call output_dfa_max_issue_rate.
11372 * genattrtab.c: Define length_unit_log as a const variable.
11373 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11374 max_insn_queue_index const.
11375 * final.c (length_unit_log): Declare const.
11376 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11378 2006-01-22 Zack Weinberg <zackw@panix.com>
11380 * genautomata.c: Include vec.h, not varray.h.
11381 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11382 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11383 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11384 VEC_* macros operating on appropriately typed vectors, or to
11385 malloced arrays when the size is known in advance. Const-ify
11386 many char* variables and function arguments. No functional changes.
11387 * Makefile.in (build/varray.o): Delete rule.
11388 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11389 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11391 2006-01-22 Zack Weinberg <zackw@panix.com>
11393 * gensupport.c: Define get_insn_name and record_insn_name here.
11394 (read_md_rtx): Call record_insn_name as appropriate.
11395 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11396 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11397 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11399 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11400 (BUILD_VARRAY): Delete.
11401 (genprognormal): Rename genprogmd. Fold in all programs from
11402 genprognoprint; also attrtab.
11403 (build/genattrtab): Just mention genautomata.o and varray.o.
11404 Reorganize a bit, add comments to make the categories clearer.
11406 2006-01-22 Zack Weinberg <zackw@panix.com>
11408 * genconditions.c (condition_table, add_condition): Delete.
11409 (write_conditions): Don't emit n_insn_conditions nor
11410 insn_elision_unavailable. Issue the gcc version #ifdef here,
11411 inside the table, with no #else clause ...
11412 (write_header): ...not here.
11413 (write_writer): New function.
11414 (main): Don't initialize condition_table. Use add_c_test.
11416 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11417 files on the command line.
11418 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11419 Return -1 if there is no entry in the table, don't abort.
11420 (add_c_test, traverse_c_tests): New functions.
11421 * gensupport.h (insn_elision_unavailable, insn_conditions)
11422 (n_insn_conditions): Delete declarations.
11423 (add_c_test, traverse_c_tests): Declare.
11424 * read-rtl.c: Include gensupport.h.
11425 (read_conditions): New function.
11426 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11427 (read_rtx_1): If we get EOF when we were looking for an initial
11428 open paren, return 0. Call read_conditions when appropriate.
11429 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11430 dummy-conditions.o. Eliminate references to insn-conditions.o,
11431 or change them to build/gencondmd.o, as appropriate. Remove
11432 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11433 from $(simple_generated_c). For all files remaining in those
11434 two lists, add insn-conditions.md to the generator command line.
11435 Give insn-constants.h/s-constants their own rules. Add rules
11436 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11437 (build/read-rtl.o): Depend on gensupport.h.
11438 (genprognormal): Include preds.
11439 (genprogearly): Rename genprognoprint; only difference is now that
11440 they don't link with $(BUILD_PRINT).
11441 * dummy-conditions.c: Delete.
11443 2006-01-22 Zack Weinberg <zackw@panix.com>
11445 * genextract.c: Don't include insn-config.h. Do include vec.h.
11446 Declare vectors of int, char, and locstr.
11447 (locstr): New typedef.
11448 (struct extraction): Make all array fields into bare pointers.
11449 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11450 (insn_code_number): Delete.
11451 (accum_extract): New struct.
11452 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11453 (gen_insn): Take insn_code_number as an argument. Use an
11454 accum_extract structure instead of loading data directly into
11455 a struct extraction, and having to know how big it might get.
11456 (walk_rtx): Operate entirely on an accum_extract structure.
11457 (print_path): Avoid unnecessary use of printf.
11458 (print_header): New function, split out of main. Distinguish
11459 more carefully between an unrecognizable insn and an insn that
11460 has the code number of a define_expand.
11461 (main): Pass insn_code_number to gen_insn. Call print_header
11462 only after parsing. Avoid unnecessary use of printf.
11463 * Makefile.in (build/vec.o): New rule.
11464 (build/genextract): Depend on build/vec.o.
11465 (build/genextract.o): Don't depend on insn-config.h.
11467 2006-01-22 Zack Weinberg <zackw@panix.com>
11469 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11470 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11471 practical. Eliminate per-generator-program link rules.
11473 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11475 PR middle-end/24437
11476 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11477 with a call expr to ...
11478 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11480 2006-01-23 Richard Guenther <rguenther@suse.de>
11482 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11483 before make_edge with conditional EDGE_TRUE_VALUE.
11485 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11486 Jan Hubicka <jh@suse.cz>
11487 Richard Guenther <rguenther@suse.de>
11489 PR rtl-optimization/25654
11490 * cfgexpand.c (aggregate_contains_union_type): New function.
11491 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11492 for structure variables that contain a union type.
11494 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11496 * gengtype.c (new_structure): Return the structure.
11497 (create_option): Add an extra "next" argument.
11498 (create_field): New function.
11499 (adjust_field_rtx_def): Use create_option and create_field.
11500 Remove a now-unnecessary call to find_structure.
11501 (adjust_field_tree_def): Likewise.
11502 (note_yacc_type): Remove an unnecessary call to find_structure.
11503 * gengtype.h (new_structure): Return the structure.
11504 (create_option): Add an extra argument.
11505 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11506 (option): Adjust calls to create_option.
11508 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11510 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11512 2006-01-22 Paul Brook <paul@codesourcery.com>
11513 Peter Barada <peter@the-baradas.com>
11515 * config/m68k/m68k.md: Add Coldfire FPU support.
11516 Define FP mode macro and associated attributes.
11517 Use it for float mode patterns.
11518 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11519 (LIBCALL_VALUE): Use m68k_libcall_value.
11520 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11521 (m68k_function_value): Ditto.
11522 (emit_move_sequence): Ditto.
11523 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11524 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11525 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11526 (MULTILIB_EXCEPTIONS): Ditto.
11527 * config/m68k/m68k.opt: Add mcfv4e.
11528 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11529 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11530 (m68k_output_function_prologue): Save ColdFire FPU registers.
11531 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11532 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11533 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11534 ColdFire FPU registers.
11535 (m68k_libcall_value, m68k_function_value): New functions.
11536 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11537 (LIBCALL_VALUE): Use m68k_libcall_value.
11538 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11539 (MASK_COLDFIRE): Add MASK_CFV4E.
11540 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11541 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11542 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11543 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11544 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11545 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11546 * doc/invoke.tex: Document -mcfv4e on m68k.
11548 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11550 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11553 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11556 * c-opts.c (c_common_handle_option): Don't include
11557 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11558 * doc/invoke.texi (C++ Dialect Options): Document that
11559 -Wnon-virtual-dtor is no longer included in -Wall.
11561 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11563 * gcov.c (print_version), gcov-dump.c (print_version),
11564 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11567 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11569 * df-scan.c (problem_SCAN): Added NULL reset function.
11570 (df_scan_reset_blocks): Added code to call reset block function
11571 (df_bb_refs_delete) Fixed comment.
11572 (df_insn_refs_delete): Made tolerant of deleting non existent info
11573 for dataflow problems that need to be reset.
11574 * df-core.c (df_set_blocks): Ditto.
11575 * df.h (struct df_problem): Added reset_fun.
11576 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11577 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11578 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11579 functions to clear out all references to def-use or use-def chains.
11581 2006-01-21 Ben Elliston <bje@au.ibm.com>
11583 * varasm.c (assemble_real): Initialise data array.
11585 2006-01-20 Paul Brook <paul@codesourcery.com>
11587 Merge from csl-arm-branch.
11588 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11589 * config/arm/arm.md (movdi): Force operands[1] to a register
11590 if we have a non-register source.
11591 (*arm_movdi, *movdf_soft_insn): Require that one of the
11592 operands be a register.
11593 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11594 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11596 2006-01-20 DJ Delorie <dj@redhat.com>
11598 * varasm.c (initializer_constant_valid_p): Allow pointers
11599 initialized from integer constants of lesser precision.
11600 (output_constant): Allow non-int-sized pointer modes to be
11601 initialized from integer constants.
11603 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11606 * cppdefault.h (struct default_include): Add multilib flag.
11607 * cppdefault.c (cpp_include_defaults): Set it.
11608 * c.opt (-imultilib): New option.
11609 * c-opts.c (imultilib): New.
11610 (c_common_handle_option): Handle -imultilib.
11611 (c_common_post_options): Likewise.
11612 * c-incpath.c (add_standard_paths, register_include_chains):
11614 * c-incpath.h (register_include_chains): Add extra parameter.
11615 * gcc.c (do_spec_1): Generate -imultilib option.
11616 (The Specs Language): Update %I description.
11617 (process_command): Update copyright notice.
11618 * doc/cppopts.texi (-imultilib): Document.
11619 * doc/invoke.texi (-imultilib): Include in option summary.
11620 (%I): Update specs documentation.
11622 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11624 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11626 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11628 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11631 2006-01-20 Richard Guenther <rguenther@suse.de>
11632 Steven Bosscher <stevenb.gcc@gmail.com>
11634 PR rtl-optimization/24626
11635 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11636 EDGE_TRUE_VALUE if in RTL mode.
11639 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11640 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11642 2006-01-20 Dirk Mueller <dmueller@suse.com>
11645 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11646 instead of a special NOP marker.
11647 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11648 NOP marker handling.
11649 * c-common.h (empty_body_warning): Add forward declaration.
11650 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11651 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11653 2006-01-20 Paul Brook <paul@codesourcery.com>
11655 * Makefile.in (lang_checks): Keep going if mkdir fails.
11657 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11659 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11660 be able to clean out basic block when not necessary.
11661 (df_scan_free): Fixed to properly delete information if df is
11662 unused before calling df_finish.
11663 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11664 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11666 (df_bb_refs_delete): New function.
11667 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11668 * df-core.c (df_set_blocks): Added code to properly clean out
11669 unused blocks if they are not part of the blocks to consider.
11670 Added additional null check.
11671 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11672 be able to clean out basic block when not necessary
11673 * df.h (df_free_bb_function): Ditto.
11674 (df_bb_refs_delete): New function.
11675 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11676 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11677 basic block parameter to be able to clean out basic block when not
11679 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11680 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11681 Fixed to properly delete information if df is unused before
11684 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11686 PR rtl-optimization/25799
11687 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11688 Corrected confluence operator to remove bits from op2 before oring
11689 with op1 rather than removing bits from op1.
11690 (df_ru_transfer_function): Corrected test on wrong bitmap which
11691 caused infinite loop. Both of these problems were introduced in
11692 the dataflow rewrite.
11694 2006-01-19 DJ Delorie <dj@redhat.com>
11696 * reload1.c (find_reload_regs): Note the details of reload
11697 failures in the dump file.
11698 (spill_failure): Likewise.
11700 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11702 * loop-iv.c: Include df.h and hashtab.h.
11703 (enum iv_grd_result): New enum.
11704 (DF_REF_IV, DF_REF_IV_SET): New macros.
11705 (struct biv_entry): New.
11706 (df, bivs): New global variables.
11707 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11708 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11710 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11711 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11712 analyzed_for_bivness_p, record_biv): New functions.
11713 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11714 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11715 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11717 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11719 (iv_number_of_iterations): Use new interface to iv analysis.
11720 * loop-unroll.c: Do not include varray.h.
11721 (analyze_iv_to_split_insn): Use new interface to iv
11723 * loop-unswitch.c (may_unswitch_on): Ditto.
11724 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11726 (df_bb_modify): Realloc tables to the new index.
11727 (df_find_use): New function.
11728 * df.h (df_find_use): Declare.
11729 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11731 * cfgloop.h (struct rtx_iv): Remove analysed field.
11732 (iv_get_reaching_def): Removed.
11733 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11734 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11735 (loop-iv.o): Add df.h and hashtab.h dependency.
11736 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11738 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11741 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11743 (__floatundisf, __floatundidf): Likewise.
11744 * libgcc2.h (IS_IBM_EXTENDED): Define.
11746 2006-01-19 DJ Delorie <dj@redhat.com>
11748 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11750 2006-01-19 Paul Brook <paul@codesourcery.com>
11752 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11753 as nothrow when unwinding tables are disabled.
11755 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11758 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11759 of bit-field" when in system header.
11761 2006-01-19 DJ Delorie <dj@redhat.com>
11763 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11764 the 16 bit shift limit of the m16c.
11766 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11769 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11770 * config/i386/i386.c (output_set_got): Output the label if we have one
11771 for the TARGET_DEEP_BRANCH_PREDICTION case.
11773 2006-01-19 Jan Hubicka <jh@suse.cz>
11774 H.J. Lu <hongjiu.lu@intel.com>
11775 Evandro Menezes <evandro.menezes@amd.com>
11777 * invoke.texi (generic): Document
11779 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11780 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11781 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11782 (x86_use_incdec, x86_pad_returns): New variables
11783 (TARGET_CPU_DEFAULT_generic): New constant
11784 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11785 (enum processor_type): Add generic32 and generic64.
11786 * i386.md (cpu attribute): Add generic32/generic64
11787 (movhi splitter): Behave sanely when both partial_reg_dependency and
11788 partial_reg_stall are set.
11789 (K8 splitters): Enable for generic as well.
11790 * predicates.md (incdec_operand): Use TARGET_INCDEC
11791 (aligned_operand): Avoid memory mismatch stalls.
11792 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11793 * ppro.md: Enable for generic32
11794 * i386.c (generic64_cost, generic32_cost): New.
11795 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11796 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11797 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11798 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11799 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11800 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11801 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11802 x86_accumulate_outgoing_args, x86_prologue_using_move,
11803 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11804 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11805 Enable for generic.
11806 (x86_use_incdec, x86_pad_returns): New.
11807 (override_options): Add generic32 and generic64, translate "generic"
11808 to generic32/generic64 and "i686" to "generic32", refuse
11809 "generic32"/"generic64" as arch target.
11810 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11811 (ix86_reorg): Honor PAD_RETURNS.
11813 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11815 * tree-pretty-print.c (dump_generic_node): Handle
11816 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11817 * cgraph.c (cgraph_expand_queue): Rename from
11818 cgraph_analyze_queue. Update all users.
11819 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11820 cgraph_expand_queue.
11821 (cgraph_expand_all_functions): Likewise.
11822 (cgraph_finalize_pending_functions): Remove. Update callers.
11824 * tree.h (OMP_DIRECTIVE_P): Define.
11825 (OMP_PARALLEL_FN): Define.
11826 (OMP_PARALLEL_DATA_ARG): Define.
11827 (OMP_SECTIONS_SECTIONS): Define.
11828 * tree-pass.h (pass_expand_omp): Declare.
11829 * omp-low.c (struct omp_region): Declare.
11830 (struct omp_context): Remove fields 'parallel_type',
11831 'parallel_start_ix' and 'parallel_start_additional_args'.
11833 (struct omp_for_data): Rename from struct expand_omp_for_data.
11834 (omp_regions): New static variable.
11835 (root_omp_region): New static variable.
11836 (find_omp_clause): Make static.
11837 (is_in_combined_parallel_ctx): Remove.
11838 (is_combined_parallel): New.
11839 (extract_omp_for_data): Move earlier in the file.
11840 (workshare_safe_to_combine_p): New.
11841 (get_ws_args_for): New.
11842 (determine_parallel_type): Move earlier in the file.
11843 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11845 (omp_copy_decl): Likewise.
11846 (create_omp_child_function): Likewise.
11847 (lookup_omp_region): New.
11848 (dump_omp_region): New.
11849 (debug_omp_region): New.
11850 (debug_all_omp_regions): New.
11851 (new_omp_region): New.
11852 (scan_omp_parallel): If parallel_nesting_level > 1, the
11853 directive is nested within another parallel directive.
11854 Set OMP_PARALLEL_FN.
11855 (scan_omp_for): Do not try to handle combined parallel+for
11857 Remove FIXME comment.
11858 (scan_omp_nested): Remove.
11859 (scan_omp_1): Do not call scan_omp_nested when
11860 parallel_nesting_level is > 1.
11861 Do not change the DECL_CONTEXT of local variables found.
11862 (lookup_decl_in_outer_ctx): New.
11863 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11864 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11865 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11866 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11867 If CTX is nested, lookup VAR in the outer context when
11868 building copy assignment.
11869 (lower_send_clauses): Rename from expand_send_clauses.
11870 If CTX is nested, lookup VAR in the outer context when
11871 building copy assignments.
11872 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11873 If CTX is nested, lookup VAR in the outer context when
11874 building copy assignments.
11875 (expand_parallel_call): Rename from build_parallel_call.
11876 Handle combined parallel+workshare cases.
11877 Re-implement to emit code into the CFG.
11879 (expand_omp_parallel): Re-implement to emit code into the CFG.
11880 Call move_sese_region_to_fn to outline the sub-graph
11881 containing the parallel region.
11882 (expand_omp_for_1): Remove.
11883 (expand_omp_for_generic): Re-implement to emit code into the
11885 (expand_omp_for_static_nochunk): Likewise.
11886 (expand_omp_for_static_chunk): Likewise.
11887 (expand_omp_for): Likewise.
11888 (expand_omp_sections): Likewise.
11889 (remove_exit_barriers): New.
11890 (expand_omp_synch): New.
11892 (build_omp_regions_1): New.
11893 (build_omp_regions): New.
11894 (execute_expand_omp): New.
11895 (gate_expand_omp): New.
11896 (pass_expand_omp): Define.
11897 (lower_omp_sections): Rename from expand_omp_sections.
11898 Set OMP_SECTIONS_SECTIONS.
11899 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11900 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11901 (lower_omp_single): Rename from expand_omp_simple.
11902 (lower_omp_master): Rename from expand_omp_master.
11903 (lower_omp_ordered): Rename from expand_omp_ordered.
11904 (lower_omp_critical): Rename from expand_omp_critical.
11905 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11906 (lower_omp_for): Re-implement.
11907 (lower_omp_parallel): Re-implement.
11908 (lower_regimplify): Rename from expand_regimplify.
11909 (lower_omp_1): Rename from expand_omp_1.
11910 If there are syntax errors in the program, replace every
11911 OpenMP directive with NOP.
11912 Call lower_omp_* instead of expand_omp_*.
11913 (lower_omp): Rename from expand_omp.
11915 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11916 * tree-gimple.h (enum omp_parallel_type): Remove.
11917 (gimple_boolify): Declare extern.
11918 (find_omp_clause, determine_parallel_type): Remove.
11920 * gimple-low.c (lower_omp_directive): New.
11921 (lower_stmt): Call it.
11922 (record_vars_into): Move from ...
11923 (record_vars): ... here.
11924 Call record_vars_into with current_function_decl.
11926 * gimplify.c (struct gimplify_ctx): Remove fields
11927 combined_pre_p and combined_ctxp. Update users.
11928 (get_formal_tmp_var): Add documentation.
11929 (gimple_boolify): Make extern.
11930 (gimplify_expr_in_ctx): Remove. Update callers.
11931 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11932 will always be a BIND_EXPR.
11933 (gimplify_expr): Handle OMP_RETURN_EXPR.
11934 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11935 (OMP_PARALLEL): Add 3 operands.
11936 (OMP_SECTIONS): Add 1 operand.
11937 (OMP_RETURN_EXPR): Define.
11939 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11940 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11941 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11942 creating a circular free list.
11943 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11945 * tree-flow.h (move_sese_region_to_fn): Declare.
11946 (record_vars_into): Declare.
11947 * tree-cfg.c (make_omp_sections_edges): New.
11948 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11949 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11950 OMP_SECTIONS and OMP_SECTION.
11951 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11952 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11953 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11954 (gather_blocks_in_sese_region): New.
11955 (struct move_stmt_d): Declare.
11956 (move_stmt_r): New.
11957 (move_block_to_fn): New.
11958 (move_sese_region_to_fn): New.
11960 * passes.c (init_optimization_passes): Schedule
11961 pass_expand_omp after pass_init_datastructures.
11963 * tree-ssa-operands.c (get_expr_operands): Handle
11964 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11965 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11967 2006-01-19 Jeff Law <law@redhat.com>
11969 * tree-vrp.c (extract_range_from_assert): Refine the result range
11970 if the variable referenced by the ASSERT_EXPR has a range and
11971 either the tentative result range or the previous range is a
11974 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11976 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11978 2006-01-19 Jan Hubicka <jh@suse.cz>
11980 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11982 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11984 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11985 (expand_compound_operation, expand_field_assignment): Fail if the
11986 bit lengths of an extract operation are out of range.
11987 (make_extraction): Compute wanted_inner_mode based on the position
11988 and length of the extraction. Make it extraction_mode for non-constant
11989 positions, and do not modify offset in that case. When generating a
11990 new MEM, use a mode that can hold the extraction while keeping correct
11991 alignment. Remove code that supported MEMs wrapped by USEs.
11992 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11994 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11996 * config/s390/s390.md ("Y", "y"): New mode attribute.
11997 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11998 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11999 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12000 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12001 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12002 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12003 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12004 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12005 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12006 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12007 "addsi3", "subsi3"): Insn patterns removed.
12008 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12009 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12010 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12011 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12012 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12013 "*sub<mode>3_cconly2"): New insn patterns.
12014 ("addsi3", "subsi3"): New expanders.
12016 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12018 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12019 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12020 existing STMT_VINFO_VECTYPE if available.
12021 (vect_mark_relevant): Add special handling for stmts that are
12022 marked as STMT_VINFO_IN_PATTERN_P.
12023 (vect_analyze_loop): Call vect_pattern_recog.
12024 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12025 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12027 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12028 (vect_recog_func_ptr): New function-pointer type.
12029 * tree-vect-patterns.c: New file.
12030 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12031 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12032 (vect_pattern_recog_1): New functions.
12033 (vect_pattern_recog_funcs): New array of function pointers.
12035 * tree-vectorizer.h (ternary_op): New enum value.
12036 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12037 declaration. Revised documentation. Removed redundant dump prints.
12038 Removed redundant argument. Added support for reduction patterns.
12039 (vectorizable_reduction): Added support for reduction patterns.
12040 (vect_transform_stmt): Added support for patterns.
12042 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12043 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12044 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12045 (expand_widen_pattern_expr): New function.
12046 (init_optabs): Initialize new optabs udot_prod_optab,
12048 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12049 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12050 (expand_widen_pattern_expr): New function declaration.
12051 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12053 * tree-inline.c (estimate_num_insns_1): Added cases for new
12054 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12055 * tree-pretty-print.c (dump_generic_node): Likewise.
12056 (op_prio): Likewise.
12057 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12058 * tree-ssa-operands.c (get_expr_operands): Added case for
12060 * tree-vect-patterns.c (widened_name_p): New function.
12061 (vect_recog_dot_prod_pattern): Added function implementation.
12062 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12063 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12064 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12065 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12067 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12068 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12069 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12070 (init_optabs): Initialize new optabs widen_ssum_optab,
12072 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12073 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12074 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12075 use instead of type of def.
12076 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12077 function implementation.
12078 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12079 widen_ssumv8hi): New.
12081 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12084 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12087 * c-decl.c (add_flexible_array_elts_to_size): New function.
12088 (finish_decl): Use it.
12090 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12092 * diagnostic.h: Include options.h.
12093 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12094 dependancies for diagnostic.h.
12095 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12097 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12099 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12100 (ssa_ro_call_cache_valid): Ditto.
12101 * tree-ssa-alias.c (sort_tags_by_id): New function.
12102 (init_transitive_clobber_worklist): Ditto.
12103 (add_to_worklist): Ditto.
12104 (mark_aliases_call_clobbered): Ditto.
12105 (compute_tag_properties): Ditto.
12106 (set_initial_properties): Ditto.
12107 (compute_call_clobbered): Ditto.
12108 (compute_may_aliases): Call compute_call_clobbered and grouping.
12109 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12110 (compute_flow_insensitive_aliasing): Grouping now happens in our
12112 (setup_pointers_and_addressables): Remove clobbering related code.
12113 (add_may_alias): Ditto.
12114 (replace_may_alias): Ditto.
12115 (get_nmt_for): Ditto.
12116 (create_global_var):
12117 (is_escape_site): Return an escape_type enumeration.
12118 * tree-flow-inline.h (is_call_clobbered): Global var does not
12119 imply call clobbered.
12120 (mark_call_clobbered): Take a reason for marking this. Remove
12121 marking of globalness, and cache invalidation.
12122 (clear_call_clobbered): Remove cache invalidation code.
12123 * tree-dfa.c (dump_variable): If details is on, dump the reason
12125 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12127 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12128 (struct var_ann_d): Ditto.
12129 (enum escape_type): New.
12130 (mark_call_clobbered): Adjust prototype.
12131 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12132 are never call clobbered.
12133 Record reasons for escaping.
12134 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12135 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12136 (ssa_ro_call_cache_valid): Ditto.
12137 (clobbered_v_may_defs): Ditto.
12138 (clobbered_vuses): Ditto.
12139 (ro_call_vuses): Ditto.
12140 (clobber_stats): New.
12141 (init_ssa_operands): Zero out clobber stats.
12142 (fini_ssa_operands): Print out clobber stats.
12143 (get_call_expr_operands): Pass callee fndecl to
12144 add_call_read_ops).
12145 (add_call_clobber_ops): Remove use of cache.
12146 Add use of PURE_CONST information.
12147 (add_call_read_ops): Remove use of cache.
12148 Add use of static not_read information.
12150 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12152 Introduce TLS descriptors for i386 and x86_64.
12153 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12154 (TARGET_ANY_GNU_TLS): New macro.
12155 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12156 (struct machine_function): Add tls_descriptor_call_expanded_p.
12157 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12158 (ix86_current_function_calls_tls_descriptor): Likewise.
12159 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12160 (override_options): Introduce gnu2 tls dialect.
12161 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12163 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12165 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12166 (ix86_init_machine_status): Initialize new field.
12167 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12168 (ix86_tls_module_base): New.
12169 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12170 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12171 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12172 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12173 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12174 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12175 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12176 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12177 * config/i386/predicates.md (tls_modbase_operand): New.
12178 (tp_or_register_operand): New.
12180 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12182 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12183 (look_for_address_of): Ditto.
12184 (ipa_init): Walk the function decls.
12185 (static_execute): Don't set readonly on FUNCTION_DECL's.
12187 2006-01-18 Roger Sayle <roger@eyesopen.com>
12189 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12190 for shifts where the source and destination registers are different.
12192 2006-01-18 Paul Brook <paul@codesourcery.com>
12194 Merge from csl-arm-branch.
12195 2005-03-14 Julian Brown <julian@codesourcery.com>
12196 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12197 (aeabi_llsl): Likewise.
12198 (ashrdi3): Likewise.
12199 (aeabi_lasr): Likewise.
12200 (lshrdi3): Likewise.
12201 (aeabi_llsr): Likewise.
12202 2005-03-10 Julian Brown <julian@codesourcery.com>
12203 * config.gcc: Disable shared libgcc for SymbianOS.
12204 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12206 2006-01-18 DJ Delorie <dj@redhat.com>
12208 * c-pragma.c (handle_pragma_diagnostic): New.
12209 (init_pragma): Register it.
12210 * doc/extend.texi: Document it.
12212 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12213 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12214 (diagnostic_context): Add classify_diagnostic[].
12215 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12216 as errors if they're overridden to DK_WARNING.
12217 (diagnostic_initialize): Initialize classify_diagnostic[].
12218 (diagnostic_set_kind_override): New.
12219 (diagnostic_report_diagnostic): Check for kind changes.
12220 * opts.c (common_handle_option): Take lang_mask. Update callers.
12221 Handle OPT_Werror_.
12222 * common.opt (Werror=): New.
12223 * doc/invoke.texi: Document -Werror=*
12225 2006-01-18 Jeff Law <law@redhat.com>
12227 * tree-vrp.c (test_for_singularity): Correct test for new
12228 min limit. Use operand_equal_p rather than pointer equality
12229 for testing if new min/max values are equal.
12231 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12232 using range information until after propagation and folding.
12234 2006-01-18 Richard Henderson <rth@redhat.com>
12235 Aldy Hernandez <aldyh@redhat.com>
12236 Jakub Jelinek <jakub@redhat.com>
12237 Diego Novillo <dnovillo@redhat.com>
12239 * omp-low.c: New file.
12240 * c-omp.c: New file.
12242 2006-01-18 Richard Henderson <rth@redhat.com>
12243 Jakub Jelinek <jakub@redhat.com>
12244 Diego Novillo <dnovillo@redhat.com>
12246 * doc/invoke.texi: Document -fopenmp.
12247 * tree-dump.h (debug_function): Declare.
12248 * hooks.c (hook_bool_tree_bool_false): New function.
12249 (hook_tree_tree_null): Remove.
12250 (hook_tree_tree_tree_null): New.
12251 * hooks.h: Update to match.
12252 * tree-pretty-print.c (debug_tree_chain): New.
12253 (print_generic_expr): Handle TDF_CHAIN.
12254 (dump_generic_node): Handle BLOCK.
12255 Do not abort with incomplete SWITCH_EXPRs.
12256 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12257 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12258 print space after directive name.
12259 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12260 Handle OMP_MASTER and OMP_ORDERED.
12261 Handle printing of OMP_BODY just in one place, goto
12262 dump_omp_body in the rest of OMP_* nodes that have
12264 Don't handle clause nodes here. Update omp statements to
12265 use dump_omp_clauses.
12266 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12267 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12268 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12269 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12270 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12271 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12272 Adjust output for GOMP_PARALLEL.
12273 (dump_omp_clauses): New.
12274 (print_declaration): Dump DECL_VALUE_EXPR.
12275 (op_symbol_1): Split out of op_symbol.
12276 (dumping_stmts): Remove. Update all users.
12277 * cgraph.c (cgraph_analyze_queue): New.
12278 (cgraph_add_new_function): New.
12279 * cgraph.h (cgraph_analyze_queue): Declare.
12280 (cgraph_add_new_function): Declare.
12281 (cgraph_lower_function): Remove.
12282 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12283 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12284 and TYPE_P nodes in its default clause.
12285 (empty_body_p): New.
12286 (tree_range_check_failed): New.
12287 (build5_stat): New.
12288 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12289 OMP_CLAUSE_REDUCTION_MERGE,
12290 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12291 OMP_CLAUSE_PRIVATE_DEBUG,
12292 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12293 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12294 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12295 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12296 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12297 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12298 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12299 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12300 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12301 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12302 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12303 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12304 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12305 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12306 (TREE_RANGE_CHECK): New.
12307 (empty_body_p): Declare.
12308 (enum omp_clause_default_kind): New.
12309 (build_string_literal): Declare.
12310 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12311 (build5_stat, build5): Declare.
12312 * tree-pass.h (TDF_CHAIN): Define.
12313 * tree-pass.h (PROP_gimple_lomp): Define.
12314 (pass_lower_omp): Declare.
12315 * diagnostic.h (debug_tree_chain): Declare.
12316 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12318 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12319 * builtins.c (build_string_literal): Make extern.
12320 * gcc.c (include_spec_function): New.
12321 (static_spec_functions): Add it.
12322 (main): Move load of libgomp.spec ...
12323 (LINK_COMMAND_SPEC): ... here.
12324 (link_gomp_spec): New.
12325 (static_specs): Include it.
12326 (LINK_COMMAND_SPEC): Add link_gomp.
12327 (GOMP_SELF_SPECS): New.
12328 (driver_self_specs): Include it.
12329 (switch_matches): Don't mark inline.
12330 (main): Load libgomp.spec.
12331 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12332 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12333 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12334 * tree-gimple.h (enum omp_parallel): Declare.
12335 (determine_parallel_type): Declare.
12336 (omp_firstprivatize_variable): Declare.
12337 (omp_reduction_init): Declare.
12338 (diagnose_omp_structured_block_errors): Declare.
12339 (struct walk_stmt_info): Add want_return_expr.
12340 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12341 (find_omp_clause): Declare.
12342 (insert_field_into_struct): Declare.
12343 (struct walk_stmt_info): Move from tree-nested.c
12344 (walk_stmts): Declare.
12345 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12347 * cgraphunit.c (cgraph_lower_function): Make static.
12348 (cgraph_finalize_pending_functions): New.
12349 (cgraph_finalize_function): Call it.
12350 (cgraph_finalize_compilation_unit): Likewise.
12351 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12352 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12353 (BT_FN_UINT_UINT): New.
12354 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12355 DEF_FUNCTION_TYPE_VAR_4): Document.
12356 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12357 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12358 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12359 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12360 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12361 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12362 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12363 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12364 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12365 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12366 into separate files.
12367 (DEF_GOMP_BUILTIN): New.
12368 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12369 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12370 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12371 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12372 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12373 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12374 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12375 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12376 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12377 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12378 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12379 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12380 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12381 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12382 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12383 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12384 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12385 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12386 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12387 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12388 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12389 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12390 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12391 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12392 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12393 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12394 * sync-builtins.def: New file, moved from builtins.def.
12395 * omp-builtins.def: New file, moved from builtins.def.
12396 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12397 * gimple-low.c (lower_function_body): Clear data.
12398 (lower_stmt): Do not handle COMPOUND_EXPR.
12399 Remove call to print_node_brief.
12400 * c-tree.h (c_finish_omp_clauses): New prototype.
12401 (C_DECL_THREADPRIVATE_P): Define.
12402 (lookup_name_no_remap, c_omp_remap_private): Remove
12403 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12404 (check_for_loop_decls): Update decl.
12405 (lookup_name_no_remap, c_omp_remap_private): Declare.
12406 (build_indirect_ref, build_modify_expr, pushdecl,
12407 pushdecl_top_level): Move to c-common.h.
12408 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12409 before the switch, but just in the 2 places that need it.
12410 * c-decl.c (diagnose_mismatched_decls): Do not check for
12411 mismatched thread-local attributes when OLDDECL is marked
12412 threadprivate and NEWDECL has no thread-local attributes.
12413 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12414 (c_gimple_diagnostics_recursively): Rename from
12415 c_warn_unused_result_recursively. Invoke
12416 diagnose_omp_structured_block_errors.
12417 (check_for_loop_decls): Return a singular decl found.
12418 * langhooks.c (lhd_omp_predetermined_sharing): Return
12419 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12420 (lhd_omp_firstprivatize_type_sizes): New.
12421 (lhd_omp_assignment): New.
12422 (lhd_omp_predetermined_sharing): New.
12423 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12424 (struct lang_hooks_for_types): Add
12425 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12426 omp_predetermined_sharing, omp_disregard_value_expr,
12427 omp_private_debug_clause, omp_clause_default_ctor,
12428 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12429 (c_finish_omp_clauses): New.
12430 (c_finish_bc_stmt): Diagnose break within omp for.
12431 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12432 (build_unary_op): Return error_mark after reporting
12434 (build_modify_expr): Likewise.
12435 * gimplify.c: Include optabs.h and pointer-set.h.
12436 (enum gimplify_omp_var_data): Declare.
12437 (struct gimplify_omp_ctx): Declare.
12438 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12440 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12441 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12442 (splay_tree_compare_decl_uid): New.
12443 (new_omp_context): New.
12444 (delete_omp_context): New.
12445 (gimple_add_tmp_var): Call omp_add_variable.
12446 (gimplify_bind_expr): Likewise.
12447 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12448 true, disregard DECL_VALUE_EXPR on the decl if any.
12449 (gimplify_expr_in_ctx): New.
12450 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12451 omp_add_variable, omp_notice_variable, omp_is_private
12452 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12453 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12454 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12455 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12456 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12457 gimplify_omp_atomic): New.
12458 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12459 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12460 OMP_CRITICAL and OMP_ATOMIC.
12461 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12462 * c-pragma.h (enum pragma_kind): Add
12463 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12464 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12465 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12466 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12467 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12468 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12469 PRAGMA_OMP_THREADPRIVATE.
12470 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12471 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12472 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12473 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12474 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12475 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12476 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12477 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12478 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12479 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12480 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12481 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12482 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12484 (struct nesting_info): Add field_map,
12485 suppress_expansion, debug_var_chain.
12486 (create_nesting_tree): Initialize them.
12487 (lookup_field_for_decl): Use field_map.
12488 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12489 (convert_local_omp_clauses): New.
12490 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12491 (walk_body): Split out of walk_function.
12492 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12493 (convert_nonlocal_reference): Handle omp statements.
12494 (convert_local_reference): Likewise.
12495 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12496 (unnest_nesting_tree): New.
12497 (lower_nested_functions): Call it.
12498 (insert_field_into_struct): Make extern.
12499 (struct walk_stmt_info): Move to tree-gimple.h.
12500 (walk_stmts): Make extern.
12501 * omp-builtins.def: New file.
12502 * tree-iterator.c (expr_only): Clarify comment.
12503 * c-common.h (pushdecl_top_level, pushdecl,
12504 build_modify_expr, build_indirect_ref,
12505 c_finish_omp_master, c_finish_omp_critical,
12506 c_finish_omp_ordered, c_finish_omp_barrier,
12507 c_finish_omp_atomic, c_finish_omp_flush,
12508 c_finish_omp_for, c_split_parallel_clauses,
12509 omp_clause_default_kind, c_omp_sharing_predetermined,
12510 c_omp_remap_decl): Declare.
12511 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12512 (OBJS-common): Add omp-low.o.
12513 (c-omp.o, omp-low.o): Add.
12514 (gimplify.o): Add dependency on $(OPTABS_H).
12515 (GTFILES): Add omp-low.c.
12516 (gt-stringpool.h): Add.
12517 * tree-cfg.c (set_bb_for_stmt): Do not update the
12518 block-to-labels map if we are currently expanding to RTL.
12519 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12521 Handle IDENTIFIER_NODE.
12522 (tree_verify_flow_info): Do not ICE when emitting error
12523 messages about invalid labels.
12524 (dump_function_to_file): Reset CFUN before emitting the body
12526 (debug_function): New.
12527 * passes.c (init_optimization_passes): Schedule
12529 * langhooks-def.h (lhd_omp_predetermined_sharing,
12530 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12532 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12533 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12534 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12535 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12536 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12537 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12538 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12539 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12540 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12541 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12542 (LANG_HOOK_DECLS): Use them.
12544 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12545 Richard Henderson <rth@redhat.com>
12546 Jakub Jelinek <jakub@redhat.com>
12547 Diego Novillo <dnovillo@redhat.com>
12549 * c-parser.c (pragma_omp_clause): Define.
12550 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12551 (c_parser_compound_statement): Likewise.
12552 (c_parser_statement): Likewise.
12553 (c_parser_pragma): Handle omp pragmas.
12554 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12555 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12556 (c_parser_omp_clause_name, check_no_duplicate_clause,
12557 c_parser_omp_variable_list,
12558 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12559 c_parser_omp_clause_copyprivate,
12560 c_parser_omp_clause_default,
12561 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12562 c_parser_omp_clause_lastprivate,
12563 c_parser_omp_clause_nowait,
12564 c_parser_omp_clause_num_threads,
12565 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12566 c_parser_omp_clause_reduction,
12567 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12568 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12569 c_parser_omp_atomic, c_parser_omp_barrier,
12570 c_parser_omp_critical, c_parser_omp_flush,
12571 c_parser_omp_for_loop, c_parser_omp_for,
12572 c_parser_omp_master, c_parser_omp_ordered,
12573 c_parser_omp_sections_scope, c_parser_omp_sections,
12574 c_parser_omp_parallel, c_parser_omp_single,
12575 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12576 * c-pragma.c (init_pragma): Do omp pragma registration here.
12577 * c.opt (fopenmp): New flag.
12579 2006-01-18 Eric Christopher <echristo@apple.com>
12581 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12582 * config/darwin.h (GOMP_SELF_SPECS): Define.
12584 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12586 * rtl.h: Remove the prototype for reg_alloc.
12588 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12591 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12592 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12593 sjlj and dwarf2 exception handling.
12594 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12595 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12596 * pa/pa.c (function_value): Treat complex and vector types as
12598 (function_arg): Likewise. Only pass scalar floats in the floating
12599 point argument registers.
12600 * pa/t-slibgcc-dwarf-ver: New file.
12601 * pa/t-slibgcc-sjlj-ver: New file.
12602 * pa/t-slibgcc-elf-ver: Delete file.
12604 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12606 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12607 unlikely_test_section_p test.
12609 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12611 * mode-switching.c (optimize_mode_switching): Make it static.
12612 * basic-block.h: Remove the prototype for
12613 optimize_mode_switching.
12615 * modulo-sched.c (sms_schedule): Make it static.
12616 * rtl.h: Remove the prototype for sms_schedule.
12618 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12619 * rtl.h: Remove the prototype for gcse_after_reload_main.
12621 * reg-stack.c (reg_to_stack): Make it static.
12622 * rtl.h: Remove the prototype for reg_to_stack.
12624 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12626 * rtl.h: Remove the prototypes for regrename_optimize and
12627 copyprop_hardreg_forward.
12629 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12631 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12632 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12633 Test against the appropriate null constant for the mode.
12634 If 'fixup_overlap' is true, swap the operands if they overlap.
12635 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12636 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12637 alpha_split_tmode_pair and adjust for above change.
12638 * config/alpha/alpha.md (movtf_internal): Adjust call to
12639 alpha_split_tfmode_pair and rely on it to swap the operands.
12640 (movti_internal): New insn and post-reload splitter.
12641 (movti): New expander.
12643 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12645 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12648 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12650 * rtlanal.c (global_reg_mentioned_p_1,
12651 global_reg_mentioned_p): Remove.
12652 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12654 * flow.c (initialize_uninitialized_subregs): Make it static.
12655 * rtl.h: Remove the prototype for
12656 initialize_uninitialized_subregs.
12658 * function.c (instantiate_virtual_regs): Make it static.
12659 * function.h: Remove the prototype for
12660 instantiate_virtual_regs.
12662 * regmove.c (regmove_optimize, combine_stack_adjustments):
12664 * rtl.h: Remove the prototypes for regmove_optimize and
12665 combine_stack_adjustments.
12667 2006-01-17 Roger Sayle <roger@eyesopen.com>
12669 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12670 (size_cost): Encode costs in bytes so that a reg-reg addition is
12671 equivalent to COSTS_N_INSNS(1).
12672 (override_options): Use the size_cost.branch_cost as the default
12673 ix86_branch_cost when optimizing for size.
12675 2006-01-18 Ben Elliston <bje@au.ibm.com>
12677 * Makefile.in (D32PBIT_FUNCS): New.
12678 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12679 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12680 D64PBIT_FUNCS and D128PBIT_FUNCS.
12681 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12682 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12684 (decnumber_dep): Define.
12685 * doc/libgcc.texi (Decimal float library routines): New node.
12686 * config/dfp-bit.h, config/dfp-bit.c: New files.
12688 2006-01-18 Ben Elliston <bje@au.ibm.com>
12690 * expr.c (emit_move_change_mode): Always adjust addresses, not
12691 just during reload. Copy replacements only during reload.
12692 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12693 emit_move_via_integer.
12695 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12697 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12698 instead of $(srcdir) and ${srcdir}.
12700 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12703 PR middle-end/11135
12704 * arm.h (struct machine_function): Add pic_reg.
12705 * arm.c (arm_pic_register): Make unsigned.
12706 (arm_override_options): Only set arm_pic_register if
12707 TARGET_SINGLE_PIC_BASE.
12708 (use_return_insn): Only test for a pic register if it is fixed.
12709 (arm_compute_save_reg0_reg12_mask): Likewise.
12710 (thumb_compute_save_reg_mask): Likewise.
12711 (legitimate_pic_operand): Factor out some known invariants.
12712 (legitimize_pic_address): If we don't have a fixed pic register,
12713 then set up a pseudo in the function entry sequence. Handle the
12714 pic base being in a pseudo.
12715 (arm_load_pic_register): Handle the pic register being in a pseudo.
12716 (arm_expand_prologue): Only set up the pic register if it is fixed.
12717 (thumb_expand_prologue): Likewise.
12718 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12719 (pic_load_addr_based_insn): Likewise.
12720 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12723 2006-01-18 Ben Elliston <bje@au.ibm.com>
12725 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12726 decimal float modes for all floating point registers.
12728 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12729 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12731 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12734 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12735 even when the pointer is not NULL.
12737 2006-01-16 Ian Lance Taylor <ian@airs.com>
12739 * common.opt (ftoplevel-reorder): New option.
12740 * cgraph.c (cgraph_asm_nodes): New global variable.
12741 (cgraph_asm_last_node): New static variable.
12742 (cgraph_order): New global variable.
12743 (cgraph_create_node): Set new order field.
12744 (cgraph_varpool_node): Likewise.
12745 (decide_is_variable_needed): Return true if not
12746 flag_toplevel_reorder.
12747 (cgraph_add_asm_node): New function.
12748 * cgraph.h (struct cgraph_node): Add order field.
12749 (struct cgraph_varpool_node): Add order field.
12750 (struct cgraph_asm_node): Define.
12751 (cgraph_asm_nodes, cgraph_order): Declare.
12752 (cgraph_add_asm_node): Declare.
12753 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12755 (cgraph_varpool_assemble_pending_decls): Call it.
12756 (cgraph_output_pending_asms): New static function.
12757 (cgraph_finalize_compilation_unit): Call it.
12758 (struct cgraph_order_sort): Define.
12759 (cgraph_output_in_order): New static function.
12760 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12761 !flag_toplevel_reorder case.
12762 * c-parser.c: Include "cgraph.h".
12763 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12765 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12766 than -fno-unit-at-a-time.
12767 * doc/invoke.texi (Option Summary): Mention
12768 -fno-toplevel-reorder.
12769 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12770 -funit-at-a-time documentation.
12772 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12773 Kazu Hirata <kazu@codesourcery.com>
12775 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12777 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12779 * Makefile.in (FUNCTION_H): New. Use it instead of
12780 function.h throughout the file.
12781 * function.h: Include tree.h.
12783 2006-01-17 Ben Elliston <bje@au.ibm.com>
12785 * recog.c: Separate some functions with whitespace.
12787 2006-01-16 Richard Henderson <rth@redhat.com>
12789 Merge from gomp branch:
12790 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12791 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12792 and rename from struct inline_data. Rename callee* to dst*;
12793 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12794 transform_new_cfg, transform_return_to_modify, and
12795 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12797 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12798 (copy_decl_for_dup): Remove.
12799 * tree-inline.c (struct inline_data): Move to header.
12800 (insert_decl_map): Export.
12801 (remap_decl): Update for member name changes. Use copy_decl hook.
12802 Allow for replacement to be a non-decl. Remove dead code.
12803 (remap_type_1): Check for existing mapping.
12804 (remap_type): Export.
12805 (remap_decls): Update for member name changes.
12806 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12807 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12808 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12809 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12810 (tree_function_versioning, build_duplicate_type): Likewise.
12811 (copy_body_r): Likewise. Export.
12812 (copy_decl_for_dup): Split into ...
12813 (copy_decl_for_dup_finish, copy_decl_to_var,
12814 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12815 (replace_ref_tree, inlining_p): Remove.
12817 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12819 * ifcvt.c (if_convert): Make it static.
12820 * rtl.h: Remove the prototype for if_convert.
12822 * local-alloc.c (local_alloc): Make it static.
12823 * rtl.h: Remove the prototype for local_alloc.
12825 * loop.c (loop_optimize): Make it static.
12826 * cfgloop.h: Remove the prototype for loop_optimize.
12829 2006-01-16 DJ Delorie <dj@redhat.com>
12831 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12834 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12836 * pa.md: Disparage copies between general and floating-point registers
12837 in 32-bit move patterns.
12839 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12842 * Makefile.in (check-%): Depend on site.exp instead of
12843 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12846 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12848 * global.c (global_alloc): Make it static.
12849 * rtl.h: Remove the prototype for global_alloc.
12851 2006-01-16 Richard Guenther <rguenther@suse.de>
12853 * tree-ssa-alias.c (struct used_part): Add write_only field.
12854 (get_or_create_used_part_for): Initialize it to true.
12855 (create_overlap_variables_for): Don't create structure variables
12856 for structures that only are written to.
12857 (find_used_portions): Handle MODIFY_EXPR to track whether a
12858 structure is only written to.
12860 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12862 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12864 * basic-block.h: Remove the prototype for
12865 partition_hot_cold_basic_blocks.
12867 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12869 * cppspec.c (lang_specific_spec_functions): Remove.
12870 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12871 * gcc.h (lang_specific_spec_functions): Remove.
12872 * gccspec.c (lang_specific_spec_functions): Remove.
12874 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12876 * combine.c (record_value_for_reg): Invalidate registers
12878 (record_dead_and_set_regs_1): Likewise, by passing them to
12879 record_value_for_reg.
12880 (record_dead_and_set_regs): Invalidate stores made by a
12881 call. We do not combine across a call, but we still
12882 relied on equivalences.
12884 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12886 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12887 vrp_int_const_binop returning non-constant nodes.
12889 2006-01-16 Paul Brook <paul@codesourcery.com>
12891 * config/m68k/m68k.c (output_move_const_into_data_reg):
12892 Output correct mnemonic for mvz and mvs.
12894 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12896 * rtl-factoring.c: Add sequence abstraction algorithm.
12897 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12898 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12900 (block_has_preserve_label): New function.
12901 * common.opt: Register new pass.
12902 * Makefile.in: Ditto.
12904 * timevar.def: Ditto.
12905 * tree-pass.h: Ditto.
12906 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12907 * rtl.h (make_jump_insn_raw): Add forward decl.
12908 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12910 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12911 Roger Sayle <roger@eyesopen.com>
12913 * fold-const.c (fold_minmax): New static function.
12914 (fold_binary) <MIN_EXPR>: Call it.
12915 <MAX_EXPR>: Likewise.
12916 * stor-layout.c (place_field): Use DECL_SIZE consistently
12917 in the computation of the new record size.
12919 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12921 * cse.c (cse_condition_code_reg): Make it static.
12922 * rtl.h: Remove the prototype for cse_condition_code_reg.
12924 * combine.c (combine_instructions): Make it static.
12925 * rtl.h: Remove the prototype for combine_instructions.
12927 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12930 * tree.c (get_file_function_name_long): Concatenate the first global
12931 object name with a string derived from the input filename of the object
12934 2006-01-16 Ben Elliston <bje@au.ibm.com>
12936 * config/i386/winnt-stubs.c: Update FSF address.
12937 * config/xtensa/ieee754-df.S: Ditto.
12938 * config/xtensa/ieee754-sf.S: Ditto.
12940 2006-01-14 Ian Lance Taylor <ian@airs.com>
12942 * ifcvt.c (noce_init_if_info): New static function, broken out of
12943 noce_process_if_block.
12944 (noce_process_if_block): Call noce_init_if_info.
12945 (check_cond_move_block): New static function.
12946 (cond_move_process_if_block): New static function.
12947 (process_if_block): Call cond_move_process_if_block.
12949 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12951 * cselib.c (hash_table): Rename to cselib_hash_table.
12952 (cselib_clear_table, discard_useless_values,
12953 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12954 cselib_init, cselib_finish): Adjust uses of hash_table.
12956 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12958 PR tree-optimization/25485
12959 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12960 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12961 is known to be false and true, respectively.
12963 2006-01-14 Richard Guenther <rguenther@suse.de>
12965 PR tree-optimization/22548
12966 PR tree-optimization/22555
12967 PR tree-optimization/22501
12968 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12969 * params.def (salias-max-array-elements): New parameter.
12970 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12971 * doc/invoke.texi (salias-max-array-elements): Document.
12972 * tree-flow-inline.h (var_can_have_subvars): We also handle
12974 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12976 * tree-ssa-structalias.c (params.h): Include.
12977 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12978 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12979 (get_constraint_for): For ADDR_EXPR operating on something
12980 containing an ARRAY_REF, add all subvars to the solution.
12981 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12982 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12983 for creating MUST_DEFs.
12984 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12986 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12988 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12990 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12991 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12992 number_of_iterations_le): New functions.
12993 (number_of_iterations_special): Removed.
12994 (number_of_iterations_exit): Do not use number_of_iterations_special.
12995 * tree.c (unsigned_type_for): Always return integer type.
12997 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12998 Richard Guenther <rguenther@suse.de>
13000 PR rtl-optimization/24257
13001 * gcse.c (find_moveable_store): Only consider a store movable
13002 when the SET_SRC of the insn can be assigned to a register.
13004 2006-01-14 Ian Lance Taylor <ian@airs.com>
13006 * tree.c (tree_not_class_check_failed): New function.
13007 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13008 (tree_not_class_check_failed): Declare.
13010 2006-01-13 Ian Lance Taylor <ian@airs.com>
13012 * reload1.c (do_output_reload): Add assertion rejecting a
13015 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13017 * combine.c (struct reg_stat): Add new fields truncation_label and
13019 (record_value_for_reg): Reset truncated_to_mode.
13020 (record_truncated_value): New function.
13021 (check_promoted_subreg): Call it. Rename to check_conversions.
13022 (combine_instructions): Rename check_promoted_subreg to
13024 (reg_truncated_to_mode): New function.
13025 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13026 (gen_lowpart_or_truncate): New function.
13027 (force_to_mode): Use it instead of gen_lowpart.
13029 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13031 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13032 VAR is a tag, not its type tag.
13034 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13036 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13037 alternatives to match style of other entries.
13038 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13040 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13042 PR tree-optimization/25771
13043 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13046 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13049 * tree-inline.c (declare_return_variable): If the return variable
13050 was marked as a non gimple complex, set the return slot variable
13051 to be a non gimple comple variable.
13053 2006-01-13 Richard Guenther <rguenther@suse.de>
13055 * builtins.c (expand_builtin_sincos): New function.
13056 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13058 (expand_builtin): Expand sincos using expand_builtin_sincos.
13060 2006-01-12 DJ Delorie <dj@redhat.com>
13062 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13063 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13064 so that constant shifts can be split.
13065 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13066 (m32c_valid_pointer_mode): Make static.
13067 (shift_gen_func_for): New.
13068 (m32c_prepare_shift): Use it. Split large const shifts into
13070 * config/m32c/predicates.md (shiftcount_operand): Allow more
13072 (longshiftcount_operand): New.
13073 * doc/md.texi (Machine Constraints): Document In6.
13075 2006-01-13 Ben Elliston <bje@au.ibm.com>
13077 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13078 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13081 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13083 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13084 to try to avoid clobbering pieces of structures when we know
13085 something about the whole structure.
13086 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13088 2006-01-13 Ben Elliston <bje@au.ibm.com>
13090 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13091 return in memory, as this is no limitation is no longer present.
13093 2006-01-12 DJ Delorie <dj@redhat.com>
13095 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13096 mova with fb, and for fb+0 -> An.
13098 * config/m32c/mov.md (peephole2): Fix enabling logic.
13100 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13101 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13102 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13103 FINI_ARRAY_SECTION_ASM_OP): Define.
13105 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13107 (m32c_legitimize_reload_address): New logic to reload FB to An.
13108 (m32c_output_reg_push): Add newline.
13109 (m32c_output_reg_pop): Likewise.
13111 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13113 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13115 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13117 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13119 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13121 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13124 2006-01-11 Ben Elliston <bje@au.ibm.com>
13126 * rtlanal.c (find_reg_note): Assert insn is not null.
13128 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13130 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13133 2006-01-11 Jeff Law <law@redhat.com>
13135 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13137 (mark_threaded_blocks, register_jump_thread): New functions.
13138 (thread_through_all_blocks): Remove unwanted argument. No
13139 longer rely on e->aux to communicate thread target info.
13140 Call mark_threaded_blocks. Release the threaded_blocks
13141 bitmap and threaded_edges vector when complete.
13142 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13143 (threaded_blocks): Remove.
13144 (tree_ssa_dominator_optimize): Remove initialization and
13145 finalization of threaded_blocks. Simplify call to
13146 thread_through_all_blocks.
13147 (thread_across_edge): Call register_jump_thread rather than
13148 storing thread information into e->aux.
13149 (free_all_edge_infos): Simplify now that e->aux is no longer
13150 used to communicate with thread_through_all_blocks.
13151 * tree-flow.h (thread_through_all_blocks): Update prototype.
13152 (register_jump_thread): Prototype.
13154 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13156 * df-core.c (df_compact_blocks, df_bb_replace): Use
13157 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13159 2006-01-11 Richard Guenther <rguenther@suse.de>
13161 PR tree-optimization/25734
13162 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13163 stop propagation after successful propagation to the LHS.
13165 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13167 * basic-block.h (control_flow_graph): Change the type of
13168 x_basic_block_info to VEC(basic_block,gc) *.
13169 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13171 (SET_BASIC_BLOCK): New.
13172 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13173 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13174 * cfgbuild.c (find_basic_blocks): Likewise.
13175 * cfglayout.c (fixup_reorder_chain): Likewise.
13176 * cfgrtl.c (create_basic_block_structure,
13177 rtl_create_basic_block): Likewise.
13178 * ifcvt.c (find_if_case_1): Likewise.
13179 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13182 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13184 * Makefile.in: Removed rotted odf.c entry.
13186 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13189 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13190 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13191 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13192 output pattern modifier, not %e.
13193 * config/cris/cris.c (cris_op_str): Update comment about pattern
13195 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13196 before falling through into...
13197 <case 'E'>: Redefined from old 'e' case.
13199 2006-01-11 Jan Hubicka <jh@suse.cz>
13202 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13204 2006-01-11 Jan Hubicka <jh@suse.cz>
13206 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13207 * i386.c (x86_decompose_lea): Kill.
13208 (ix86_rtx_costs): Kill.
13210 2006-01-11 Jan Hubicka <jh@suse.cz>
13212 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13213 * cgraph.h (cgraph_node): Add inline_decl.
13214 (cgraph_insert_node_to_hashtable): Declare.
13215 (save_inline_function_body): Declare.
13216 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13218 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13219 (cgraph_function_versioning): Update call of tree_function_versioning.
13220 (save_inline_function_body): New function.
13221 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13222 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13223 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13224 (cgraph_default_inline_p): Likewise.
13225 (cgraph_decide_inlining_incrementally): Likewise.
13226 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13227 (copy_bb): Kill saving; do updating of clones.
13228 (copy_cfg_body): Kill saving.
13229 (initialize_inlined-parameters): Likewise.
13230 (expand_call_inline): Likewise.
13232 (tree_function_versioning): New parameter "update_clones".
13233 (inlining_p): Kill saving.
13234 * tree-inline.h (tree_function_versioning): Update prototype.
13235 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13238 2006-01-11 Ian Lance Taylor <ian@airs.com>
13240 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13241 Allow undoing set of machine mode.
13242 (do_SUBST): Use enums instead of is_int.
13243 (do_SUBST_MODE): New function.
13244 (SUBST_MODE): New macro.
13245 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13246 reg and trying to replace reg_regno_rtx with a new register.
13247 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13248 (simplify_set): Use SUBST_MODE.
13249 (distribute_notes): Remove code that tried to update reg notes
13250 for regno_reg_rtx changes.
13252 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13254 PR tree-optimization/23109
13255 PR tree-optimization/23948
13256 PR tree-optimization/24123
13258 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13259 * tree-cfg.c (single_noncomplex_succ): New.
13260 * tree-flow.h (single_noncomplex_succ): Declare it.
13261 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13262 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13263 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13264 insert_bb, register_division_in, insert_reciprocals,
13265 replace_reciprocal, free_bb): New.
13266 (execute_cse_reciprocals_1): Rewritten.
13267 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13268 Do not commit any edge insertion. Always compute dominators and
13269 create the allocation pool.
13270 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13271 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13272 * targhooks.c (default_min_divistions_for_recip_mul): New.
13273 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13274 * passes.c (init_optimization_passes): Run recip after tree loop
13276 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13278 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13279 Kenneth Zadeck <zadeck@naturalbridge.com>
13281 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13282 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13283 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13284 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13285 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13286 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13287 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13288 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13289 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13290 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13291 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13292 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13293 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13294 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13295 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13296 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13297 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13298 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13299 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13300 DF_SCAN_POST_ALLOC): New macros.
13301 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13302 df_free_bb_function, df_local_compute_function, df_init_function,
13303 df_dataflow_function, df_confluence_function_0,
13304 df_confluence_function_n, df_transfer_function,
13305 df_finalizer_function, df_free_function, df_dump_problem_function,
13306 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13307 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13308 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13309 df_urec_bb_info, ) New types.
13310 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13312 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13313 df_analyze_simple_change_some_blocks,
13314 df_analyze_simple_change_one_block, df_compact_blocks,
13315 df_bb_replace, df_bb_regno_last_use_find,
13316 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13317 df_insn_regno_def_p, df_find_def, df_find_use,
13318 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13319 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13320 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13321 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13322 debug_df_chain, df_get_dependent_problem, df_chain_create,
13323 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13324 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13325 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13326 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13327 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13328 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13329 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13330 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13331 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13332 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13333 df_reorganize_refs, df_set_state, df_hard_reg_init,
13334 df_read_modify_subreg_p) New public functions.
13335 * df-core.c: The core dataflow solver and glue routines for rtl
13337 (df_init, df_add_problem, df_set_blocks, df_finish,
13338 df_hybrid_search_forward, df_hybrid_search_backward,
13339 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13340 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13341 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13342 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13343 df_reg_defined, df_find_use, df_reg_used, df_dump,
13344 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13345 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13346 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13347 debug_df_useno, reset_df_after_reload): New functions.
13348 * df-scan.c: The scanning fuctions, once in df.c, completely
13349 rewritten so that they now fully model the functionality of
13350 register usage at the backend.
13351 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13352 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13353 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13354 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13355 df_get_artificial_defs, df_get_artificial_uses,
13356 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13357 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13358 df_refs_delete, df_reorganize_refs, df_set_state,
13359 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13360 df_def_record_1, df_defs_record, df_uses_record,
13361 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13362 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13363 df_record_exit_block_uses, df_hard_reg_init): New functions.
13365 * df-problems.c: Seven concrete dataflow problems that use the
13366 scanning in df-scan.c and are solved by the engine in df-core.c.
13367 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13368 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13369 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13370 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13371 df_ru_free_bb_info, df_ru_alloc,
13372 df_ru_bb_local_compute_process_def,
13373 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13374 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13375 df_ru_transfer_function, df_ru_free, df_ru_dump,
13376 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13377 df_rd_free_bb_info, df_rd_alloc,
13378 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13379 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13380 df_rd_transfer_function, df_rd_free, df_rd_dump,
13381 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13382 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13383 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13384 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13385 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13386 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13387 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13388 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13389 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13390 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13391 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13392 df_urec_mark_reg_use_for_earlyclobber,
13393 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13394 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13395 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13396 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13397 df_chain_create_bb_process_use, df_chain_create_bb,
13398 df_chain_finalize, df_chain_free, df_chains_dump,
13399 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13400 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13401 df_reg_lifetime): New functions.
13402 * df.c: Deleted file.
13403 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13404 consistent with new df api.
13405 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13406 rest_of_handle_sms): Ditto.
13407 * web.c (unionfind_union, union_defs, entry_register, web_main):
13409 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13410 invariant_expr_equal_p, find_defs, check_dependencies,
13411 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13412 free_inv_motion_data, move_loop_invariants): Ditto.
13413 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13414 Update dependencies.
13415 (odf.c): Added defective entry that was deleted later in day.
13416 * sched-deps.c (sched_analyze_1): Ditto.
13418 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13420 * tree-ssa-operands.c (get_expr_operands): Record addressable
13421 variables directly. Do not call add_stmt_operands for CONST_DECLs
13423 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13424 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13426 2006-01-11 Ben Elliston <bje@au.ibm.com>
13428 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13429 function returns true in the positive case.
13431 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13434 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13435 for SI, DI, SF and DF modes. Add alternatives to copy between
13436 general and floating point registers to the 32-bit patterns.
13437 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13438 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13439 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13440 generating 64-bit code.
13441 * config/pa/pa.c (output_move_double): Handle copies between general
13442 and floating registers.
13444 2006-01-10 Stuart Hastings <stuart@apple.com>
13446 * config/i386/i386.md (set_got): Update.
13447 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13448 (builtin_setjmp_receiver): Mach-O support.
13449 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13450 (GOT_SYMBOL_NAME): Define.
13451 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13452 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13453 * config/i386/i386.c (override_options): Revise for Darwin.
13454 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13455 support. (darwin_x86_file_end): New. (output_set_got): Add label
13456 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13457 * config/i386/i386-protos.h (output_set_got): Likewise.
13458 * config/darwin.c (machopic_legitimize_pic_address): Update
13461 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13463 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13464 when MODE isn't BLKmode.
13466 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13468 PR rtl-optimization/25367
13469 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13471 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13474 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13475 for a negative bound.
13477 2006-01-10 Richard Guenther <rguenther@suse.de>
13479 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13480 Never override with anything constraint.
13482 2006-01-10 Jan Beulich <jbeulich@novell.com>
13484 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13485 256 bits when optimize_size.
13487 2006-01-10 Jan Beulich <jbeulich@novell.com>
13489 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13491 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13492 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13495 2006-01-10 Ben Elliston <bje@au.ibm.com>
13497 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13499 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13500 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13501 (USE_FP_FOR_ARG): Reject decimal float modes.
13502 (function_arg_advance): Likewise.
13503 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13504 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13505 point types in AltiVec vectors.
13506 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13507 (rs6000_libcall_value): Likewise.
13509 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13511 * config/xtensa/ieee754-df.S: New file.
13512 * config/xtensa/ieee754-sf.S: New file.
13513 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13514 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13515 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13517 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13519 * config/sh/predicates.md (binary_float_operator,
13520 binary_logical_operator, commutative_float_operator,
13521 equality_comparison_operator, greater_comparison_operator,
13522 less_comparison_operator, logical_operator,
13523 noncommutative_float_operator, shift_operator,
13524 symbol_ref_operand, unary_float_operator): Remove redundant
13527 2006-01-09 Jeff Law <law@redhat.com>
13529 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13530 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13531 now unused arguments. Callers updated.
13532 (eliminate_redundant_computations): Remove now unused arguments,
13534 (local_fold): Remove, no longer used.
13535 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13537 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13538 (simplify_cond): New function.
13539 (forward_propagate_into_cond): Call simplify_cond.
13541 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13543 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13544 (*vec_extractv2di_1_sse): New.
13546 2006-01-09 Ben Elliston <bje@au.ibm.com>
13548 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13550 2006-01-08 Richard Guenther <rguenther@suse.de>
13552 * tree-ssa-structalias.c (get_constraint_for): Remove
13553 anyoffset argument.
13554 (get_constraint_for_component_ref): Likewise.
13555 (do_deref): Likewise.
13556 (get_constraint_for): Likewise.
13557 (do_structure_copy): Likewise.
13558 (handle_ptr_arith): Likewise.
13559 (find_func_aliases): Likewise. Remove unused need_anyoffset
13562 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13563 Kaz Kojima <kkojima@gcc.gnu.org>
13565 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13566 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13567 (EXTRA_CONSTRAINT_C16): Remove.
13568 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13569 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13570 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13571 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13572 constants of SHmedia. Handle nested constant expressions of
13574 (andcosts): Fix the costs for SHmedia constants.
13575 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13576 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13577 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13578 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13579 (movv4hi_i, movv2si_i): Likewise.
13580 (movsi_const): Adjust the second operand of ior so to match with
13581 the Csu constraint.
13582 (movdi_const, movdi_const_32bit): Likewise.
13583 (movdi_const_16bit+1): Don't sign-extend LOW.
13584 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13586 (*double_shori): Fix the split condition. Use GEN_INT instead
13587 of get_int_mode calls. Mask lower 16-bit of the argument of
13589 (sym2GOTPLT): Remove.
13590 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13592 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13593 instead of EXTRA_CONSTRAINT_C16.
13595 2006-01-07 Ian Lance Taylor <ian@airs.com>
13596 David Edelsohn <edelsohn@gnu.org>
13598 PR rtl-optimization/25662
13599 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13600 for constant operands instead of simplify_gen_binary.
13601 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13602 after trying simplify_binary_operation
13604 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13606 * tree.c (iterative_hash_expr): Hash decls based on UID.
13608 2006-01-06 Eric Christopher <echristo@apple.com>
13610 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13611 (TARGET_UNWIND_EMIT): Fix spelling.
13612 * target.h (gcc_target): Add except_table_label.
13613 * except.c (output_function_exception_table): Use.
13614 * varasm.c (default_emit_except_table_label): New.
13615 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13617 (asm_out): Add here.
13618 * output.h (default_emit_except_table_label): Prototype.
13619 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13620 * config/darwin.c (darwin_emit_except_table_label): Define.
13621 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13623 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13625 PR tree-optimization/18527
13626 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13627 number_of_iterations_special, number_of_iterations_exit):
13628 Move base and step of an iv to a single structure. Add
13629 no_overflow flag, and use it in # of iterations analysis.
13630 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13631 folded_casts argument.
13632 (simple_iv): Pass base and step in a structure. Set no_overflow
13634 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13635 Evaluate expensiveness of computing # of iterations instead of
13636 the final expression.
13637 * tree-scalar-evolution.h (affine_iv): New structure.
13638 (simple_iv): Declaration changed.
13639 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13640 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13641 find_givs_in_stmt): Changed due to simple_iv change.
13643 2006-01-06 Jeff Law <law@redhat.com>
13646 * tree-cfg.c (bsi_replace): Rename final argument from
13647 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13648 change (stmt -> orig_stmt).
13649 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13650 (bsi_remove): Add new argument. Remove EH information
13652 (verify_eh_throw_table_statements): New function.
13653 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13655 * tree-optimize.c (execute_free_cfg_annotations): Verify
13656 the EH throw statement table after removing annotations.
13657 * except.h (verify_eh_throw_table_statements): Prototype.
13658 * tree-flow.h (bsi_remove): Update prototype.
13659 * tree-vrp.c (remove_range_assertions): Add new argument to
13661 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13662 * tree-complex.c (expand_complex_div_wide): Likewise.
13663 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13664 * tree-tailcall.c (eliminate_tailcall): Likewise.
13665 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13666 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13667 * tree-nrv.c (tree_nrv): Likewise.
13668 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13669 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13670 (combine_blocks): Likewise.
13671 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13672 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13673 (cleanup_control_flow): Likewise.
13674 (remove_forwarder_block): Likewise.
13675 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13676 * tree-sra.c (sra_replace): Likewise.
13677 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13678 (forward_propagate_single_use_vars): Likewise.
13679 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13680 * tree-inline.c (expand_call_inline): Likewise.
13681 * tree-vect-transform.c (vect_transform_loop): Likewise.
13682 * tree-outof-ssa.c (rewrite_trees): Likewise.
13683 * tree-cfg.c (make_goto_expr_edges): Likewise.
13684 (cleanup_dead_labels): Likewise.
13685 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13686 (bsi_move_before, bsi_move_after): Likewise.
13687 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13688 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13690 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13693 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13695 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13696 on non gimple variables. Also add checks at the top for decls and
13698 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13700 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13701 and IMAGPART_EXPR for creating MUST_DEFs.
13702 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13703 and NAME_MEMORY_TAG separately from the DECLs.
13705 2006-01-06 Richard Guenther <rguenther@suse.de>
13707 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13708 annotation, if necessary.
13709 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13710 redundant calls to update_stmt.
13711 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13714 2006-01-05 Richard Henderson <rth@redhat.com>
13716 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13718 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13720 * c-typeck.c: Update copyright date.
13722 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13724 * c-typeck.c (build_c_cast): Always warn when casting
13725 from a pointer to an integer of different size, even if
13726 the node was constant.
13728 2006-01-05 Richard Guenther <rguenther@suse.de>
13730 PR tree-optimization/22555
13731 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13732 if one structure field is an array.
13733 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13734 operands even if we found a subvar, but ignore VOPs in this
13736 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13738 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13740 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13742 PR middle-end/24998
13743 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13745 2006-01-05 Richard Guenther <rguenther@suse.de>
13746 Diego Novillo <dnovillo@redhat.com>
13748 * tree-pass.h (TODO_remove_unused_locals): Define.
13749 * gimple-low.c (expand_var_p, remove_useless_vars,
13750 pass_remove_useless_vars): Remove. Update all users.
13751 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13752 (remove_unused_locals): New function.
13753 * tree-flow.h (remove_unused_locals): Declare.
13754 * passes.c (execute_todo): Call remove_unused_locals if
13755 TODO_remove_unused_locals is set.
13756 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13757 * tree-ssa-dce.c (pass_dce): Likewise.
13758 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13760 2006-01-05 Richard Guenther <rguenther@suse.de>
13762 * tree-flow.h (struct fieldoff): Decompose field to
13763 type, size and decl.
13764 * tree-ssa-alias.c (create_sft): Take type as parameter.
13765 (create_overlap_variables_for): Store type, size and decl
13766 in the fieldoff structure.
13767 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13768 of struct fieldoff.
13769 (push_fields_onto_fieldstack): Likewise.
13770 (create_variable_info_for): Likewise. Use offset for the
13771 SFT name if the decl is not available.
13773 2006-01-04 Paul Brook <paul@codesourcery.com>
13775 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13777 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13779 * lambda-code.c (can_put_in_inner_loop): Relax
13781 (can_put_after_inner_loop): New function.
13782 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13783 (perfect_nestify): Change to make copies and modify uses.
13785 2006-01-04 Richard Henderson <rth@redhat.com>
13787 Merge from gomp branch:
13788 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13789 via integer constant.
13790 (pragma_lex): Remove.
13791 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13792 rather than parsing it.
13793 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13794 handle_pragma_extern_prefix): Add %< %> quotes.
13795 (registered_pragmas): New.
13796 (c_register_pragma_1): New.
13797 (c_register_pragma): Use it.
13798 (c_register_pragma_with_expansion): Likewise.
13799 (c_invoke_pragma_handler): New.
13800 (init_pragma): Use cpp_register_deferred_pragma directly for
13802 * c-pragma.h (enum pragma_kind): New.
13803 (pragma_handler): New.
13804 (c_invoke_pragma_handler): Declare.
13805 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13807 * c-common.h (c_common_pch_pragma): Update decl.
13808 * Makefile.in (c-parser.o): Update dependencies.
13809 (GTFILES): Add c-pragma.h.
13810 * c-parser.c (struct c_token): Add pragma_kind.
13811 (struct c_parser): Add in_pragma.
13812 (c_lex_one_token): Always initialize keyword and pragma_kind.
13813 Extract data for CPP_PRAGMA.
13814 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13815 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13816 Don't allow CPP_PRAGMA_EOL if in_pragma.
13817 (c_parser_consume_pragma): New.
13818 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13819 (c_parser_skip_to_end_of_parameter): Likewise.
13820 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13821 (c_parser_skip_to_pragma_eol): New.
13822 (c_parser_external_declaration): Handle CPP_PRAGMA.
13823 (c_parser_compound_statement_nostart): Likewise.
13824 (c_parser_statement_after_labels): Likewise.
13825 (c_parser_pragma): New.
13826 (pragma_lex): Likewise.
13827 (c_parser_pragma_pch_preprocess): New.
13828 (c_parser_new): Merge into ...
13829 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13831 2006-01-04 Jeff Law <law@redhat.com>
13834 * tree-cfg.c (bsi_replace): Remove the original statement
13835 from the EH throw statement table.
13837 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13839 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13840 make the prototype extern "C" and add throw ().
13843 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13844 and pos non-negative and pos + len <= 32.
13845 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13846 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13847 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13850 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13851 as well as sizes not multiple of component size.
13854 * function.c (instantiate_expr): New function.
13855 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13856 walk its DECL_VALUE_EXPR with instantiate_expr.
13858 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13859 DW_OP_deref{,_size} if address isn't going to be added.
13861 2006-01-04 Ben Elliston <bje@au.ibm.com>
13863 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13864 * config/fp-bit.c: Likewise.
13866 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13868 * dominance.c: Add comment about why we use DFS numbering
13871 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13872 Richard Henderson <rth@redhat.com>
13874 Merge from gomp-branch:
13875 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13876 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13878 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13880 PR rtl-optimization/25578
13881 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13882 pass a parameter to simplify_shift_const if changing ASHIFTRT
13885 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13887 * builtins.c (get_builtin_sync_mem): New function.
13888 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13889 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13890 Call get_builtin_sync_mem to generate mem rtx.
13892 2006-01-03 Richard Guenther <rguenther@suse.de>
13895 * stmt.c (add_case_node): Make sure to clear overflow flags
13898 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13900 Merge from gomp-branch.
13901 * config/sparc/sync.md: New file.
13902 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13903 UNSPECV_LDSTUB): New constants.
13904 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13905 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13906 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13909 2006-01-03 Roger Sayle <roger@eyesopen.com>
13911 * combine.c (reg_subword_p): New predicate to test whether the
13912 destination of a set refers to a subword/piece of a register.
13913 (try_combine): Generalize the code to merge the setting of a
13914 pseudo to a constant followed by a set of a subword of that
13915 register to a constant.
13917 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13919 * basic-block.h (control_flow_graph): Change the type of
13920 x_label_to_block_map to VEC(basic_block,gc) *.
13921 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13922 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13924 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13925 VEC(basic_block,heap) *.
13926 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13927 ssa_prop_fini): Adjust the uses of cfg_blocks.
13929 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13931 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13933 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13934 hashing trees instead of a pointer hash.
13935 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13936 compare for MEM_EXPR.
13938 PR rtl-optimization/25130
13939 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13940 when comparing MEMs for GCSE
13942 2006-01-03 Ben Elliston <bje@au.ibm.com>
13944 * targhooks.h (default_decimal_float_supported_p): Declare.
13945 * targhooks.c (default_decimal_float_supported_p): Define.
13946 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13947 `default_decimal_float_supported_p'.
13948 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13950 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13952 * combine.c (apply_distributive_law <SUBREG>): Check
13953 TRULY_NOOP_TRUNCATION.
13955 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13957 * dwarf2out.c (have_switched_text_section): Delete.
13958 (have_multiple_function_sections): New.
13959 (have_location_lists): Make 'bool'.
13960 (add_AT_loc_list): Use 'true' not '1'.
13961 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13962 (output_loc_list): Use have_multiple_function_sections.
13963 (output_ranges): Likewise.
13964 (dwarf2out_begin_function): Set have_multiple_function_sections if
13966 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13967 Check function_section rather than DECL_SECTION_NAME.
13968 (dwarf2out_finish): Use have_multiple_function_sections.
13969 Don't clear have_location_lists.
13971 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13972 Jan Hubicka <jh@suse.cz>
13974 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13975 case of conditional jump jumping to the next instruction.
13976 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13977 cases of conditional jump jumping to the next instruction.
13979 2006-01-02 Jan Hubicka <jh@suse.cz>
13981 * i386.c (*_cost): Add COSTS_N_INSNS.
13982 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13984 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13987 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13989 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13991 * config/arm/arm.c (all_fpus): Fix comment typo.
13992 * config/darwin.c: Likewise.
13993 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13994 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13995 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13997 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13999 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14000 (rs6000_split_compare_and_swapqhi): New.
14001 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14002 (sync_compare_and_swapqhi_internal): New.
14003 * config/rs6000/rs6000-protos.h: Declare.