1 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5 * c-typeck.c (build_compound_expr): If the second expression
6 is an error mark, then just return an error mark instead of
7 creating a COMPOUND_EXPR.
9 2006-07-14 Mike Stump <mrs@apple.com>
11 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
13 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
15 * c-decl.c, var-tracking.c: Fix comment typos.
17 2006-08-14 Richard Sandiford <richard@codesourcery.com>
19 PR rtl-optimization/28634
20 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
21 for floating-point modes unless flag_unsafe_math_optimizations.
23 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
24 Andrew Pinski <pinskia@physics.uc.edu>
27 * tree.c (build_array_type): Unify array types with
28 unspecified index_type.
29 * c-decl.c (grokdeclarator): Make sure we do not modify a
30 unified incomplete array type.
31 * c-typeck.c (store_init_value): Create distinct type before
32 filling in the index type in an initializer from a compound
35 * c-decl.c (grokdeclarator): Remove code where we copy the
38 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
40 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
41 into account for TODO_dump_cgraph.
42 (TODO_update_ssa_no_phi): Likewise.
43 (TODO_update_ssa_full_phi): Likewise.
44 (TODO_update_ssa_only_virtuals): Likewise.
45 (TODO_remove_unused_locals): Likewise.
46 (TODO_set_props): Likewise.
47 (TODO_update_stmt_usage): Likewise.
49 2006-08-13 Dirk Mueller <dmueller@suse.de>
51 * c-common.c (strict_aliasing_warning): Fix formatting.
53 2006-08-13 Matthias Klose <doko@debian.org>
55 * doc/invoke.texi: Fix spelling errors.
57 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
59 PR rtl-optimization/23454
60 * reorg.c (relax_delay_slots): Update comment.
62 2006-08-11 Richard Guenther <rguenther@suse.de>
65 * simplify-rtx.c (simplify_const_relational_operation):
66 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
69 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
71 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
72 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
74 2006-08-10 Paul Brook <paul@codesourcery.com>
76 * final.c (final_scan_insn): Clear current_insn_predicate before
77 outputting inline asm.
79 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
81 PR tree-optimization/26197
82 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
83 get_ref_base_and_extent and overlap_subvar to add only relevant
84 subvars as may-aliases.
85 (add_may_alias_for_new_tag): New function, factored out of
87 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
88 with additional argument.
89 * tree-flow.h (new_type_alias): Takes additional argument.
91 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
93 * gcov.c (no_data_file): New flag.
94 (read_count_file): Set it if data file not present. Assume counts
96 (output_lines): Don't name the data file, if there wasn't one.
98 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
100 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
101 (rs6000_generate_compare): Tweak comments.
102 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
104 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
106 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
107 (var_debug_decl): New function.
108 (var_reg_set): Follow debug decl link. Add location even if
109 reg is already known to hold some other variable.
110 (var_mem_set): Follow debug decl link.
111 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
112 decl link. Delete other known locations of the variable part
114 (var_reg_delete, var_mem_delete): Delete other known locations
115 of the variable part if requested.
116 (same_variable_part_p): New function.
117 (add_stores): Select MO_COPY when appropriate.
118 (vt_initialize): Handle it.
119 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
120 known locations for MO_SET and MO_CLOBBER.
121 (find_variable_location_part): New function.
122 (set_variable_part, delete_variable_part): Use it.
123 (clobber_variable_part): New function.
124 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
127 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
129 PR tree-optimization/26969
130 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
131 with an empty list of PHIs.
133 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
137 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
140 2006-08-06 Andreas Schwab <schwab@suse.de>
142 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
143 string. Whitespace and comment fixup.
145 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
148 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
152 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
155 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
157 2006-08-04 Jan Hubicka <jh@suse.cz>
161 * reload.c (push_reload): Patch out the mismatching instruction;
163 (find_reload): Bail out if the instruction was patched out.
165 2006-08-04 Jan Hubicka <jh@suse.cz>
167 PR tree-optimization/24888
168 * tree-inline.c (expand_call_inline): Do not re-record variables.
169 (declare_inline_vars): Add variable to unexpanded_var_list.
171 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
172 Roger Sayle <roger@eyesopen.com>
174 PR rtl-optimization/26244
175 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
176 inner_const are negative or greater than or equal to the bitsize of
177 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
178 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
179 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
180 CONST0_RTX (mode) when the new shift count is greater than or equal to
181 to the bitsize of the object being shifted and XEXP (y, 0) has no side
184 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
186 * tree-cfg.c: Fix a comment typo.
188 2006-08-03 Mark Mitchell <mark@codesourcery.com>
191 * varasm.c (output_constant): Give the front end another chance to
192 expand constants, after stripping NOPs.
194 2006-08-03 Jan Hubicka <jh@suse.cz>
196 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
199 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
201 PR tree-optimization/27770
202 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
203 declaration removed (moved to tree-flow.h).
204 (vect_can_force_dr_alignment_p): Likewise.
205 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
206 (moved from tree-vectorizer.h).
207 (vect_can_force_dr_alignment_p): Likewise.
208 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
209 from outside the vectorizer - in particular from cgraph stage.
210 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
211 the alignment of global arrays when -fsection-anchors is enabled.
212 * cgraphunit.c (cgraph_increase_alignment): New function.
213 (cgraph_optimize): Call cgraph_increase_alignment.
215 2006-08-03 David Edelsohn <edelsohn@gnu.org>
218 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
219 not reload a SPE symbol_ref into a lo_sum address.
221 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
224 * dwarf2out.c (prune_unused_types_prune): Move call to
225 prune_unused_types_update_strings to cover the parent DIE also.
227 2006-08-02 Jan Hubicka <jh@suse.cz>
229 PR gcov/profile/28480
230 * tree-cfg.c (change_bb_for_stmt): New function.
231 (tree_merge_blocks, tree_split_blocks): Use it.
233 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
239 * toplev.c (compile_file): Return early on errorcount or sorrycount.
240 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
241 (cgraph_optimize): Likewise.
243 2006-08-01 Stuart Hastings <stuart@apple.com>
245 * rtl.h (UINTVAL) New.
246 * config/rs6000/rs6000.c (SMALL_INT) Use it.
247 * testsuite/gcc.dg/20060801-1.c: New.
249 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
252 * c-typeck.c (build_external_type): Mark used enum types.
253 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
255 (gen_subprogram_die): Whitespace fix.
257 2006-08-01 Jan Hubicka <jh@suse.cz>
259 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
260 bitmap when not needed.
261 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
264 2006-08-01 Dirk Mueller <dmueller@suse.de>
266 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
268 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
270 * Makefile.in: Revert part of previous patch:
271 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
274 2006-07-30 Eric Christopher <echristo@apple.com>
277 * doc/extend.texi (i386 Variable Attributes): Add anchor.
278 (PowerPC Variable Attributes): New section.
280 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
282 PR target/28126 (partial fix)
283 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
285 2006-07-28 Jan Hubicka <jh@suse.cz>
287 PR rtl-optimization/28071
288 * cfgrtl.c (rtl_delete_block): Free regsets.
289 * flow.c (allocate_bb_life_data): Re-use regsets if available.
291 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
293 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
294 and variables used in dependencies.
296 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
298 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
299 %fs for -mcmodel=kernel.
300 (stack_tls_protect_test_di): Likewise.
302 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
304 * Makefile.in: Use mkinstalldirs.
306 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
309 * opts-common.c (prune_options): Skip joined switches.
311 2006-07-27 Jan Hubicka <jh@suse.cz>
313 PR rtl-optimization/28071
314 * cselib.c (cselib_process_insn): Don't remove useless values too
315 often for very large hashtables.
317 2006-07-27 Jan Hubicka <jh@suse.cz>
319 PR rtl-optimization/28071
320 * global.c (greg_obstack): New obstack.
321 (allocate_bb_info): Use it.
322 (free_bb_info): Likewise.
323 (modify_reg_pav): Likewise.
325 2006-07-27 Roger Sayle <roger@eyesopen.com>
327 * builtins.c (fold_fixed_mathfn): When long and long long are the
328 same size, canonicalize llceil*, llfloor*, llround* and llrint*
329 functions to their lceil*, lfloor*, lround* and lrint* forms.
331 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
334 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
336 (rev_branch_insn): Likewise.
338 2006-07-27 Jan Hubicka <jh@suse.cz>
340 PR rtl-optimization/28071
341 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
342 (reg_set_in_bb, max_reg_computed): New static variables.
343 (regmove_optimize): Free the new array.
344 (fixup_match_1): Update call of reg_is_remote_constant_p.
346 2006-07-26 Jan Hubicka <jh@suse.cz>
348 PR tree-optimization/27882
349 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
351 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
353 (cgraph_analyze_compilation_unit): Likewise.
354 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
355 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
356 (cgraph_early_inlinine): Make order garbage collected.
357 * Makefile.in (gt-ipa-inline): New garbagecollected file.
359 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
361 * dbxout.c (output_types_sort): Add a comment.
362 (output_used_types): Free the VEC.
364 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
366 * function.c (reorder_fix_fragments): Delete.
367 (reorder_blocks): Don't call it.
368 (reorder_blocks_1): Put all subblocks under the origin block.
370 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
372 PR rtl-optimization/27907
373 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
376 2006-07-25 Roger Sayle <roger@eyesopen.com>
379 * convert.c (convert_to_integer): When transforming (T)foo(x) into
380 bar(x) check that bar's result type can represent all the values of T.
382 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
384 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
386 2006-07-25 Nick Clifton <nickc@redhat.com>
388 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
390 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
391 (ggc_pch_count_object): Likewise.
392 (ggc_pch_alloc_object): Likewise.
393 (ggc_pch_write_object): Likewise.
394 (init_ggc): Do not attempt to initialize entries in the
395 size_lookup[] array for objects whose size is greater than than
396 the length of the array.
398 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
400 * dbxout.c (output_used_types_helper): Push queued types
402 (output_types_sort): New.
403 (output_used_types): Collect used types on a VEC and sort them
406 2006-07-24 Richard Guenther <rguenther@suse.de>
409 * cgraph.c (cgraph_remove_node): Do not check if dumps
411 * cgraphunit.c (cgraph_optimize): Likewise.
413 2006-07-24 Jan Hubicka <jh@suse.cz>
415 PR rtl-optimization/28071
416 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
417 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
418 splitting before first stmt.
420 2006-07-24 Jan Hubicka <jh@suse.cz>
422 PR rtl-optimization/28071
423 * ipa-inline.c (update_caller_keys): Remove edges that
424 are no longer inline candidates.
426 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
429 * dbxout.c (output_used_types_helper, output_used_types): New.
430 (dbxout_symbol): Call output_used_types.
432 2006-07-23 Jan Hubicka <jh@suse.cz>
436 * cgraph.c (cgraph_varpool_nodes): Export.
437 (decide_is_variable_needed): Ignored "used" attribute in
439 * cgraph.h (cgraph_varpool_nodes): Declare.
440 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
443 2006-07-23 Roger Sayle <roger@eyesopen.com>
446 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
447 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
448 the __gthrw form of thr_keycreate.
449 (__gthread_key_delete): Silence the unused argument warning.
451 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
454 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
455 Cache the last found '\0' marker to avoid quadratic behavior.
457 2006-07-23 Jan Hubicka <jh@suse.cz>
459 * i386.md (subsi_3_zext): Fix output template.
461 2006-07-21 Mike Stump <mrs@apple.com>
463 * doc/invoke.texi (C++ Dialect Options): Note that
464 -fvisibility-inlines-hidden doesn't affect explicitly
465 instantiationed inline methods.
467 2006-07-20 Roger Sayle <roger@eyesopen.com>
469 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
470 if the target assembler is GNU binutils' gas.
471 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
472 whether to pass GNU gas or native as command line options.
474 2006-07-20 Jason Merrill <jason@redhat.com>
476 * tree.c (remove_attribute): New fn.
477 * tree.h: Declare it.
479 2006-07-20 Paul Brook <paul@codesourcery.com>
482 * cse.c (cse_insn): Add destination addresses to hash table. Check if
483 they are invalidated by this instruction.
485 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
488 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
490 2006-07-20 Eric Christopher <echristo@apple.com>
493 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
495 2006-07-19 Eric Christopher <echristo@apple.com>
497 * config/t-slibgcc-darwin (stmp-lipo): Remove.
498 Rewrite dependencies for libgcc_s.1.dylib.
500 2006-07-19 Jakub Jelinek <jakub@redhat.com>
502 * except.c (duplicate_eh_regions_1): Clear next_peer.
504 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
506 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
507 -mlongcall does not guarantee all calls will be long.
508 * doc/extend.texi (long_call/short_call): Document that longcall
509 does not guarantee a long call will be used.
510 (longcall/shortcall): Likewise.
512 2006-07-18 Roger Sayle <roger@eyesopen.com>
515 * expmed.c (expand_shift): Additionally check that the shift_cost
516 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
517 before implementing a LSHIFT_EXPR as a sequence of additions.
518 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
519 middle-end that DImode shifts need to be synthesized by expand.
521 2006-07-18 Diego Novillo <dnovillo@redhat.com>
524 * tree-ssa-operands.c (access_can_touch_variable): Update
526 Return true if ALIAS is .GLOBAL_VAR.
528 2006-07-18 David Daney <ddaney@avtrex.com>
530 * gcc.c (display_help): Fix typo in help text.
532 2006-07-18 Olivier Hainque <hainque@adacore.com>
534 * tree.h (categorize_ctor_elements): Adjust prototype and add
535 descriptive comment, both in accordance with the interface change
537 * varasm.c (constructor_static_from_elts_p): New function.
538 Whether a constructor node is a valid static constant initializer
539 if all its elements are.
540 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
541 * output.h: Declare it.
542 * expr.c (categorize_ctor_elements_1): Return whether the constructor
543 is a valid constant initializer instead of computing the number of
544 non-constant elements. Use constructor_static_from_elts_p for this
545 purpose. Replace the head comment with an indication that this is a
546 helper for categorize_ctor_elements.
547 (categorize_ctor_elements): Same interface change as for the _1
548 helper. Former head comment from this helper moved here, adjusted to
549 account for the interface changes.
550 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
551 (all_zeros_p): Likewise.
552 * gimplify.c (gimplify_init_constructor): Decide whether we can make
553 static versions of the constructor from the categorize_ctor_elements
554 return value instead of the formerly computed number of non-constant
557 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
559 * configure: Regenerate.
560 * Makefile.in (build_libsubdir): New configure substitution
561 (build_libobjdir): New variable.
562 (BUILD_LIBIBERTY): Use it.
564 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
567 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
569 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
572 * c-common.c (handle_weakref_attribute): Ignore attribute in
573 the same conditions the alias attribute is ignored.
575 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
577 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
578 (dbxout_begin_prologue): Increment scope_labelno.
580 2006-07-17 Richard Henderson <rth@redhat.com>
583 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
586 2006-07-17 Roger Sayle <roger@eyesopen.com>
587 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
589 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
590 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
591 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
592 functions such as sbrk, write, etc.. Add function prototypes.
593 Convert function declarations from K&R to ISO C. Cast pointers
594 to "long" and "unsigned long" instead of "int" and "unsigned int".
595 Convert tokens following #endif into comments.
597 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
599 * invoke.texi: Remove mention of f77; Reformat table for
600 inline parameter options correctly; mention that -malign-double
601 is default on x86-64 targets.
603 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
605 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
606 (convert_affine_scev, chrec_convert_aggressive): Use
607 avoid_arithmetics_in_type_p. Do not check for the subtypes
610 2006-07-17 Richard Sandiford <richard@codesourcery.com>
613 * optabs.c (expand_doubleword_shift): Wrap the call to
614 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
616 2006-07-17 Richard Sandiford <richard@codesourcery.com>
619 * optabs.c (expand_binop): Pass next_methods rather than methods
620 to expand_doubleword_shift.
622 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
625 * tree.h (dump_addr): Declare.
626 * print-tree.c (dump_addr): New function.
627 (print_node_brief, print_node): Use it.
628 * print-rtl.c (print_rtx): Likewise.
629 * common.opt (-fdump-noaddr): New option.
630 * doc/invoke.texi (-fdump-noaddr): Document.
631 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
632 (ve_info_hash): Likewise.
634 2006-07-13 Andrew Haley <aph@redhat.com>
636 PR tree-optimization/19505
637 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
638 edge leaving this block, make sure that the destination of this
639 block has only one predecessor.
641 2006-07-17 Richard Guenther <rguenther@suse.de>
643 PR tree-optimization/28238
644 * tree-inline.c (copy_bb): Check if we produced valid
645 gimple copying and substituting a stmt. If not, gimplify
648 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
650 * optabs.c (maybe_encapsulate_block): New function extracted from...
651 (emit_libcall_block): ...here. Invoke it on the block of insns to
652 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
653 (emit_no_conflict_block): Likewise.
655 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
657 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
659 2006-07-15 Roger Sayle <roger@eyesopen.com>
661 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
662 a new NOP_EXPR case of the switch statement.
664 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
667 * stor-layout.c (place_field): Take the bit field with
668 an excessive size into account in the ms-bitfiled case.
671 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
672 the previous bit field.
674 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
677 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
679 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
681 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
682 signal frames correctly even when the signal was installed with
685 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
687 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
688 (dbxout_function_end): Use local label LFBB. Remove hook
690 (dbxout_source_line): Use local label LFBB.
691 (dbxout_block): Likewise.
692 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
693 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
694 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
697 2006-07-13 Janis Johnson <janis187@us.ibm.com>
699 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
701 2006-07-13 Jan Hubicka <jh@suse.cz>
703 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
705 * output.h (align_variable): Declare.
706 * varasm.c (align_variable): Export.
707 * value-prof.c (tree_value_profile_transformations): Recompute iterator
708 when basic block changed.
710 2006-07-13 Nick Clifton <nickc@redhat.com>
712 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
713 walking the LOG_LINKS chain.
715 2006-07-12 Geoffrey Keating <geoffk@apple.com>
717 * doc/invoke.texi (C++ Dialect Options): Explain difference
718 between -fvisibility-inlines-hidden and setting hidden
719 visibility explicitly.
721 2006-07-12 Eric Christopher <echristo@apple.com>
723 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
724 (stmp-lipo): Depend on libgcc.a.
726 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
728 * tree.c: Fix a comment typo.
730 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
732 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
734 (umulhisi3_r): Likewise.
736 2006-07-12 Paolo Carlini <pcarlini@suse.de>
739 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
740 x < 19, vs wchar_t support.
742 2006-07-12 Nick Clifton <nickc@redhat.com>
744 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
747 2006-07-12 Mike Stump <mrs@apple.com>
749 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
751 2006-07-10 Eric Christopher <echristo@apple.com>
753 * config/t-slibgcc-darwin: Rewrite.
755 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
758 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
761 2006-07-08 Matthias Klose <doko@debian.org>
763 * doc/sourcebuild.texi: Fix typo.
765 2006-07-07 Mike Stump <mrs@apple.com>
767 * toplev.c (process_options): Don't give -ffunction-sections may
768 affect debugging warning for Mach-O.
770 2006-07-07 James E Wilson <wilson@specifix.com>
772 * config/mips/mips.md (cpu): Add sb1a.
773 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
774 addition to sb1. Adjust comments to clarify SB-1A differences from
776 (ir_sb1a_load): New. Modify bypasses to use it.
777 (ir_sb1a_simple_alu): Likewise.
778 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
779 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
780 (mips_issue_rate): Add PROCESSOR_SB1A.
781 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
782 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
783 (TARGET_SB1): Add PROCESSOR_SB1A check.
784 (TUNE_SB1): Likewise.
786 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
787 * config/mips/mips.c (mips_store_data_bypass_p): New.
788 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
791 2006-07-08 Paul Brook <paul@codesourcery.com>
794 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
796 2006-07-07 Richard Guenther <rguenther@suse.de>
799 * tree.h (build_one_cst): Declare.
800 * tree.c (build_one_cst): New function.
801 * tree-ssa-math-opts.c (get_constant_one): Remove.
802 (insert_reciprocals): Use build_one_cst.
803 * fold-const.c (fold_plusminus_mult): Likewise.
805 2006-07-07 Roger Sayle <roger@eyesopen.com>
807 * pointer-set.c (pointer_set_destroy): Correct whitespace.
808 * cfgloopanal.c (dump_graph): Likewise.
809 * dojump.c (discard_pending_stack_adjust): Likewise.
810 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
812 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
813 * function.c (finalize_block_changes): Likewise.
814 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
815 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
816 * rtl.c (dump_rtx_statistics): Likewise.
817 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
819 * varray.c (dump_varray_statistics): Likewise.
820 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
821 decode_decimal64, encode_decimal128, decode_decimal128,
822 decimal_real_to_decimal): Likewise.
824 2006-07-07 Richard Guenther <rguenther@suse.de>
826 PR tree-optimization/28187
827 * tree-vrp.c (vrp_operand_equal_p): New function.
828 (vrp_bitmap_equal_p): Likewise.
829 (update_value_range): Use them to compare old and new
832 2006-07-06 Roger Sayle <roger@eyesopen.com>
834 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
835 a default case to switch statement to silence compiler warnings.
837 2006-07-06 Roger Sayle <roger@eyesopen.com>
840 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
841 the configured assembler supports the x87's ffreep mnemonic.
842 * configure: Regenerate.
843 * config.in: Regenerate.
845 * config/i386/i386.c (output_387_ffreep): New function.
846 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
847 (output_387_reg_move): Likewise.
849 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
851 Port to hosts whose 'sort' and 'tail' implementations
852 treat operands with leading '+' as file names, as POSIX
853 has required since 2001. However, make sure the code still
854 works on pre-POSIX hosts.
855 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
856 which says you should use "tail -c +N" rather than "tail +Nc".
857 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
859 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
861 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
864 2006-07-06 David Edelsohn <edelsohn@gnu.org>
867 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
868 PRE_{INC,DEC} of TFmode.
870 2006-07-06 David Edelsohn <edelsohn@gnu.org>
871 Alan Modra <amodra@bigpond.net.au>
874 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
877 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
880 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
881 Remove duplicate gtu.
883 2006-07-05 Jason Merrill <jason@redhat.com>
887 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
888 * c-common.c (handle_packed_attribute): So don't copy it here.
889 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
891 2006-07-05 Mike Stump <mrs@apple.com>
893 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
895 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
898 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
900 2006-07-05 Richard Guenther <rguenther@suse.de>
903 * config/i386/i386.md (*negdf2_1): Restrict pattern to
904 TARGET_SSE2 targets if using SSE math.
905 (*absdf2_1): Likewise.
907 2006-07-05 Richard Guenther <rguenther@suse.de>
909 PR tree-optimization/28162
910 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
911 make sure to convert the operands to the correct type.
913 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
915 PR tree-optimization/28218
917 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
918 to calculate and free the dominator information.
920 2006-07-04 Peter O'Gorman <peter@pogma.com>
922 * mklibgcc.in: chmod 644 before ranlib during install.
924 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
925 J"orn Rennecke <joern.rennecke@st.com>
927 * configure.ac (.eh_frame data check): Use diff -b.
929 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
932 * Makefile.in (BUILD_RTL): Add build/vec.o.
933 (build/gencondmd.o): Filter out -fkeep-inline-functions.
934 (build/genextract): Delete.
935 (build/genautomata): Likewise.
937 2006-07-04 Alan Modra <amodra@bigpond.net.au>
940 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
941 128-bit IBM long doubles for ABI_V4.
943 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
945 * tree.c (range_in_array_bounds_p): New predicate.
946 * tree.h (range_in_array_bounds_p): Declare it.
947 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
948 return a less conservative answer.
949 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
951 (IS_ELEMENT_FOR_GROUP): New macro.
952 (FOR_EACH_ACTUAL_CHILD): Likewise.
953 (next_child_for_group): New helper function.
954 (can_completely_scalarize_p): Take into account groups.
955 (sra_hash_tree): Handle RANGE_EXPR.
956 (sra_elt_eq): Likewise.
957 (lookup_element): Be prepared for handling groups.
958 (is_valid_const_index): Delete.
959 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
960 instead of is_valid_const_index.
961 <ARRAY_RANGE_REF>: New case.
962 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
963 is_valid_const_index.
964 <ARRAY_RANGE_REF>: Do not unconditionally punt.
965 (scan_dump): Dump info for groups too.
966 (decide_instantiation_1): Likewise.
967 (decide_block_copy): Assert that the element is not a group.
968 Propagate decision to groups.
969 (generate_one_element_ref): Handle RANGE_EXPR.
970 (mark_no_warning): Iterate over actual childs.
971 (generate_copy_inout): Likewise.
972 (generate_element_copy): Likewise.
973 (generate_element_zero): Likewise.
974 (generate_element_init_1): Likewise.
975 (dump_sra_elt_name): Handle RANGE_EXPR.
977 2006-07-03 Roger Sayle <roger@eyesopen.com>
979 PR tree-optimization/26251
980 * tree-ssa-threadupdate.c (redirection_block_p): New function.
981 (thread_block): When optimizing for size refuse to thread jumps
982 that would require duplication of blocks other than redirection
985 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
987 * configure.ac: Fix thinko in previous check-in.
988 * configure: Regenerate.
990 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
993 * configure.ac (for lang...): Simplify nesting of conditionals.
994 Test subdir_requires for non-enabled languages. Move processing
995 of lang_opt_files and lang_tree_fiels below that test.
996 * configure: Regenerate.
997 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
999 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1001 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1003 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1005 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1008 2006-06-29 Jason Merrill <jason@redhat.com>
1015 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1016 * c-common.c (c_determine_visibility): Handle it here.
1017 * c-decl.c (finish_decl): Call c_determine_visibility for
1019 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1021 * varasm.c (default_assemble_visibility): Likewise.
1022 * c-common.c (handle_visibility_attribute): Complain about trying
1023 to give visibility to an already defined class, or trying to change
1024 declared visibility. Always attach the attribute.
1029 * attribs.c (decl_attributes): Ignore type-in-place attributes
1030 once the type has been defined.
1032 2006-06-29 Roger Sayle <roger@eyesopen.com>
1035 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1036 to indicate the cpplib has issued an error message for us.
1038 2006-06-29 Asher Langton <langton2@llnl.gov>
1041 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1042 insert a label at the end of an function under Mach-O.
1044 2006-06-29 Eric Christopher <echristo@apple.com>
1045 Evan Cheng <evan.cheng@apple.com>
1047 * predicates.md (vector_all_ones_operand): New.
1048 (nonimmediate_or_sse_const_operand): Ditto.
1049 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1050 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1051 (standard_sse_mode_p): Ditto.
1052 (standard_sse_constant_p): Add case for -1 vector.
1053 (ix86_expand_vector_move): Try to use.
1054 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1055 Call standard_sse_constant_opcode.
1056 (*movv4sf_internal): Ditto.
1057 (*movv2df_internal): Ditto.
1059 2006-06-29 Roger Sayle <roger@eyesopen.com>
1061 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1062 of XEXP to extract the operands of a MATCH_CODE rtx.
1064 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1066 * tree.c (tree_size): Do not waste tail padding in
1067 struct tree_string and make the size be the same as
1068 build_string will generate.
1070 2006-06-28 Jason Merrill <jason@redhat.com>
1073 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1074 may_aliases already in the tag's annotations to the bitmap.
1076 2006-06-28 Roger Sayle <roger@eyesopen.com>
1078 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1080 2006-06-28 Roger Sayle <roger@eyesopen.com>
1082 * genpreds.c (generate_switch_p): New function.
1083 (add_mode_tests): Push the new mode test down inside an AND expr
1084 if this allows the switch-suitable MATCH_CODE to be near the root.
1085 (write_match_code_switch): New function to write a MATCH_CODE as
1087 (write_predicate_stmts): New function to write a predicate RTX
1088 expression as a sequence of statements.
1089 (write_one_predicate_function): Use write_predicate_stmts.
1090 (write_tm_constrs_h): Likewise.
1092 2006-06-26 Fred Fish <fnf@specifix.com>
1094 * config/mips/t-sb1: New file.
1095 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1098 2006-06-26 DJ Delorie <dj@redhat.com>
1100 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1102 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1103 Jayant Sonar <jayants@kpitcummins.com>
1104 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1106 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1107 (subsi3, subsi3_1, subsi3_2): New.
1108 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1109 * config/m32c/mov.md (SI mov peephole): New.
1110 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1111 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1113 2006-06-26 Olivier Hainque <hainque@adacore.com>
1115 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1116 a CALL_EXPR target function declaration.
1118 2006-06-26 Richard Guenther <rguenther@suse.de>
1120 * tree.c (build_string): Do not waste tail padding in
1123 2006-06-26 Richard Guenther <rguenther@suse.de>
1125 * ggc-page.c (init_ggc): Add missing element to size_lookup
1129 2006-06-23 Richard Guenther <rguenther@suse.de>
1131 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1132 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1133 alignment requests instead. Add verification code.
1134 Add struct tree_function_decl and struct tree_binfo size to
1135 extra_order_size_table. Add missing element to size_lookup
1138 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1141 * fold-const.c (const_binop): Be prepared for self returning zero.
1142 Simplify code handling complex values.
1144 2006-06-24 Olivier Hainque <hainque@adacore.com>
1146 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1147 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1150 2006-06-24 Olivier Hainque <hainque@adacore.com>
1152 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1153 ARRAY_REF, so have the callback called for the low bound expression.
1155 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1157 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1158 * c-typeck.c (c_common_type): Disallow operations on decimal float
1159 types and other float types.
1160 * convert.c (convert_to_real): Don't ignore conversions involving
1161 decimal float types.
1163 2006-06-23 Olivier Hainque <hainque@adacore.com>
1165 * tree.c (max_int_size_in_bytes): New function, inspired from
1166 code in function.c:assign_temp.
1167 * tree.h (max_int_size_in_bytes): Declare.
1168 * function.c (assign_temp): Use it.
1169 * gimplify.c (create_tmp_var): Relax the assertions on the type
1170 properties, not mandating constant size any more.
1171 (force_constant_size): New static function.
1172 (gimple_add_tmp_var): Use it, forcing variable size to a
1173 constant upper bound if it is not constant on entry.
1175 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1178 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1179 for initialization and setting of one_only flag to ...
1180 (i386_pe_encode_section_info): ...here.
1181 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1182 Recheck that the symbol has not been defined.
1184 2006-06-23 Richard Guenther <rguenther@suse.de>
1186 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1187 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1188 alignment requests instead. Add verification code.
1189 Add struct tree_function_decl and struct tree_binfo size to
1190 extra_order_size_table. Add missing element to size_lookup
1193 2006-06-22 Roger Sayle <roger@eyesopen.com>
1194 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1197 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1198 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1200 2006-06-23 Ben Elliston <bje@au.ibm.com>
1202 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1203 negate dn -- manipulate it directly.
1205 2006-06-22 Roger Sayle <roger@eyesopen.com>
1206 Steven Bosscher <stevenb.gcc@gmail.com>
1209 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1210 generated by gen_move_insn to add REG_LABEL notes if necessary.
1212 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1214 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1215 (leaf_entry): Remove use of MIN_ESA.
1217 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1219 PR rtl-optimization/28121
1220 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1223 2006-06-21 DJ Delorie <dj@redhat.com>
1225 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1227 (mulhisi3_r): Likewise.
1229 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1232 * coverage.c (coverage_counter_alloc): Leave the index type
1234 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1237 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1239 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1240 section from the "Options for Code Generation Conventions".
1242 2006-06-21 Richard Henderson <rth@redhat.com>
1246 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1248 (global_symbolic_operand): Allow weak symbols, even if local_p.
1250 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1252 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1253 (find_interesting_uses_address): Punt if above function returns true.
1255 2006-06-21 Richard Guenther <rguenther@suse.de>
1257 * configure: Regenerated.
1259 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1261 * config/mips/mips.c (function_arg): Where one part of a
1262 complex argument is in registers and the other part in the stack,
1263 return a REG not a PARALLEL.
1265 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1267 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1268 when cross-compiling. Do not substitute libstdcxx_incdir.
1269 * configure: Regenerated.
1271 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1273 * varasm.c (mergeable_string_section): Check for embedded NULs and
1274 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1275 rather than TREE_STRING_LENGTH bytes.
1277 2006-06-21 Richard Guenther <rguenther@suse.de>
1279 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1280 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1283 2006-06-21 Richrad Guenther <rguenther@suse.de>
1285 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1286 Limit iteration over the dominators.
1288 2006-06-20 Roger Sayle <roger@eyesopen.com>
1290 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1291 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1293 2006-06-20 Richard Guenther <rguenther@suse.de>
1294 Michael Matz <matz@suse.de>
1296 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1298 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1299 * et-forest.h (et_free_pools): Prototype new function.
1300 * et-forest.c (et_free_tree_force): Free parent occurrence.
1301 (et_free_pools): New function.
1302 * dominance.c (free_dominance_info): Free et-forest alloc
1305 2006-06-20 Roger Sayle <roger@eyesopen.com>
1307 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1308 integer modes, attempt to directly construct an integer constant.
1310 * fold-const.c (native_encode_vector): Determine the size of each
1311 element from the vector type instead of the first vector element.
1313 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1314 if all of its elements/components are constant.
1315 (build_constructor_from_list): Likewise.
1317 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1319 PR tree-optimization/27331
1320 * tree-data-ref.c (free_data_ref): New function.
1321 (create_data_ref): Fail if the data reference has unknown access
1323 (free_data_refs): Use free_data_ref.
1325 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1328 * tree-inline.c (setup_one_parameter): Strip useless
1329 type conversion before adding it to the IR.
1330 (declare_return_variable): Likewise.
1332 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1335 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1337 2006-06-19 Mike Stump <mrs@apple.com>
1339 * tree.c (variably_modified_type_p): VM arguments don't make the
1342 2006-06-19 Richard Guenther <rguenther@suse.de>
1344 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1345 type conversions after folding.
1347 2006-06-19 Richard Guenther <rguenther@suse.de>
1349 * ggc-page.c (extra_order_size_tab): Add entries with
1350 size of struct function and basic_block.
1351 (size_lookup): Extend to cover sizes up to 511.
1352 (ggc_alloc_stat): Adjust user.
1353 (ggc_pch_count_object): Likewise.
1354 (ggc_pch_alloc_object): Likewise.
1355 (ggc_pch_write_object): Likewise.
1357 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1359 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1360 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1363 2006-06-19 Denis Chertykov <denisc@overta.ru>
1365 * config/avr/libgcc.S : Correct my wrong previous commit.
1367 2006-06-19 Roger Sayle <roger@eyesopen.com>
1370 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1371 have stripped a SUBREG from the shift count, so we may need to
1372 convert_to_mode back to the type's mode before calling make_tree.
1373 Use new_amount instead of amount to avoid expanding a tree twice.
1375 2006-06-19 Richard Guenther <rguenther@suse.de>
1378 * fold-const.c (operand_equal_p): Check if the argument types
1379 have the same precision before stripping NOPs.
1381 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1383 Fix PR tree-optimization/27341
1384 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1386 * tree-complex.c (pass_lower_complex): Update SMT usage.
1388 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1390 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1391 Add a new alternative to the constraint strings. Add move of
1392 operand 1 to 3 to the splitter definition.
1393 ("doloop_si_long"): Second contraint alternative removed.
1395 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1397 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1398 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1400 (AVR_HAVE_MOVW) Define.
1401 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1402 (ASM_SPEC): Add avr25.
1403 (LINK_SPEC): Add avr25.
1404 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1405 (base_arch_s): Add new member 'have_movw_lpmx'.
1406 (avr_arch_types): Init 'have_movw_lpmx'.
1407 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1408 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1409 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1410 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1411 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1413 (avr_file_start): Do not output '.arh' derective.
1414 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1415 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1416 * config/avr/avr.md (mcu_enhanced): Delete.
1417 (mcu_have_movw): Define.
1418 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1419 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1420 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1421 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1422 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1423 attiny861 and at86rf401 devices.
1425 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1427 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1430 2006-06-17 Karl Berry <karl@gnu.org>
1432 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1433 doc/gccint.texi, doc/install.texi (@dircategory): Use
1434 "Software development" instead of "Programming", following
1435 the Free Software Directory.
1437 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1439 * config/i386/i386.c (legitimate_tls_address)
1440 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1441 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1442 (*tls_dynamic_gnu2_combine_64): Likewise.
1444 2006-06-16 Richard Guenther <rguenther@suse.de>
1447 * fold-const.c (negate_expr_p): Do not introduce undefined
1448 overflow in negating INTEGER_CSTs.
1449 (fold_negate_expr): Rename from negate_expr. Revert last
1450 change for folding BIT_NOT_EXPR. Change semantics to
1451 return NULL_TREE for non-simplified negations. Do not
1452 strip type conversions and unify type handling.
1453 (negate_expr): New function, wrap around fold_negate_expr
1454 but ensure building a tree always. Strip type conversions
1455 here, fold to result type.
1456 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1458 2006-06-16 Roger Sayle <roger@eyesopen.com>
1461 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1462 that (would) return their results in stack registers.
1464 2006-06-16 Michael Matz <matz@suse.de>
1465 Richard Guenther <rguenther@suse.de>
1467 * fold-const.c (fold_truthop): Only return new tree node if
1468 we canonicalized something.
1470 2006-06-16 Richard Guenther <rguenther@suse.de>
1472 * function.h (enum function_frequency): Move declaration
1473 out of struct function.
1474 (struct function): Move bool fields and the enum to the bitfield
1475 section. Reorder elements to avoid padding. Remove unused
1476 fields left over from the RTL inliner removal.
1477 * function.c (free_after_compilation): Do not zero removed fields.
1478 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1479 (ipa-type-escape.o): Likewise.
1481 2006-06-16 Richard Guenther <rguenther@suse.de>
1483 * cgraph.h (struct cgraph_local_info): Turn bool elements
1485 (struct cgraph_node): Likewise.
1486 (struct cgraph_varpool_node): Likewise.
1488 2006-06-15 Richard Guenther <rguenther@suse.de>
1490 * fold-const.c (fold_truth_not_expr): Rename from
1491 invert_truthvalue. Give it fold_* semantics to avoid
1493 (invert_truthvalue): New function. Wrapper around
1494 fold_truth_not_expr.
1495 (optimize_minmax_comparison): Avoid creating garbage.
1496 (fold_unary): Use fold_truth_not_expr for folding
1498 (fold_ternary): Replace uses of invert_truthvalue with
1499 fold_truth_not_expr where applicable.
1500 * tree.h (fold_truth_not_expr): Prototype.
1502 2006-06-16 Richard Guenther <rguenther@suse.de>
1504 PR tree-optimization/27781
1505 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1506 * ipa-pure-const.c (target.h): Include.
1507 (analyze_function): Do not analyze functions that do not
1510 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1513 * tree-dfa.c (referenced_vars_dup_list): Remove.
1514 (find_referenced_vars): Remove assert.
1515 (referenced_var_check_and_insert): Replace dup list with assert.
1516 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1517 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1519 2006-06-15 Richard Guenther <rguenther@suse.de>
1521 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1522 extra unused identifiers if not dumping.
1523 (create_variable_info_for): Likewise.
1525 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1527 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1528 (derive_constant_upper_bound): Derive more precise upper bound in
1529 common cases. Return type changed to double_int.
1530 (record_estimate): Reflect the changed return type of
1531 derive_constant_upper_bound.
1532 * double-int.c (double_int_zext, double_int_sext): Fix.
1534 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1536 * configure.ac (CFLAGS): Get them from the toplevel or from the
1537 configure invocation.
1538 * configure: Regenerate.
1539 * Makefile.in (CFLAGS): Substitute value provided by configure.
1541 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1544 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1545 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1546 rather than calling add_stmt on it.
1547 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1549 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1552 * reload1.c (reload): Remove registers returned by update_eliminables
1553 from used_spill_regs.
1555 2006-06-13 DJ Delorie <dj@redhat.com>
1557 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1559 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1561 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1562 html__strip_dir, html__mkdir_p. Enhance install-html target.
1563 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1564 * configure: Regenerate.
1566 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1568 * fold-const.c (fold_cond_expr_with_comparison): Check for
1569 Objective-C++ as language in deciding COND_EXPR transformation.
1571 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1574 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1575 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1576 * config/sh/lib1funcs.h (SL, SL1): Define.
1577 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1578 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1579 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1580 (OBJS_Os_4_200): New variable.
1581 ($(T)libgcc-Os-4-200.a): Use it.
1582 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1583 when dividing 1 and/or by 0.
1585 2006-06-13 Roger Sayle <roger@eyesopen.com>
1587 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1588 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1589 * configure: Regenerate.
1591 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1593 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1594 for real instruction.
1596 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1599 * haifa-sched.c (check_cfg): Handle special case.
1601 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1604 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1605 Add debug_info parameter. Chain the vars to the BLOCK instead
1606 of the BIND_EXPR if debug info are requested for them.
1607 (pop_gimplify_context): Adjust for above change.
1608 (gimple_add_tmp_var): Likewise.
1609 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1611 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1612 (convert_local_reference): Likewise.
1613 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1614 (finalize_nesting_tree_1): Request that debug info be emitted
1615 for debug_var_chain.
1617 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1619 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1620 for PR target/27863.
1622 2006-06-13 Richard Guenther <rguenther@suse.de>
1625 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1627 2006-06-13 Richard Guenther <rguenther@suse.de>
1629 PR tree-optimization/27830
1630 * tree-inline.c (copy_body_r): For copying the operand
1631 of an ADDR_EXPR make sure to fold &* afterwards.
1633 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1635 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1636 lvalues in the fb_none case with side-effects.
1638 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1640 * tree-flow.h: Remove the prototype for
1641 compute_phi_arg_on_exit.
1642 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1643 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1646 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1648 * builtins.c (expand_builtin_return_addr): Only use
1649 frame_pointer_rtx when count == 0 and we are expanding
1650 __builtin_return_address.
1652 2006-06-12 Fred Fish <fnf@specifix.com>
1654 * config/mips/mips.c (mips_file_start): Create special section
1655 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1657 2006-06-11 Eric Christopher <echristo@apple.com>
1660 * stor-layout.c (place_field): Remove check for
1661 remaining_in_alignment when aligning at the end of a run.
1663 2006-06-11 Eric Christopher <echristo@apple.com>
1666 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1669 2006-06-11 Roger Sayle <roger@eyesopen.com>
1672 Revert incorrect fix for PR target/27158
1673 2006-05-08 Roger Sayle <roger@eyesopen.com>
1674 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1675 of a reg_equiv_constant if the result is a legitimate constant.
1677 2006-06-11 Roger Sayle <roger@eyesopen.com>
1680 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1681 extract a CONST_VECTOR element and interpret it as an integer.
1682 (vspltis_constant): Use const_vector_elt_as_int instead of the
1683 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1684 * config/rs6000/predicates.md (easy_vector_const): Consider
1685 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1687 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1690 * stor-layout.c (update_alignment_for_field): Don't add extra
1691 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1694 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1696 * config/mips/t-rtems: Add EL/EB multilib variants.
1698 2006-06-09 Mike Stump <mrs@apple.com>
1700 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1702 2006-06-09 David Daney <ddaney@avtrex.com>
1704 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1706 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1708 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1710 2006-06-09 Richard Guenther <rguenther@suse.de>
1712 PR tree-optimization/26998
1713 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1714 of signed types, only TYPE_MIN_VALUE is special, but for both,
1715 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1716 in this case, as is -fwrapv.
1718 2006-06-08 Mike Stump <mrs@apple.com>
1721 * config/darwin.c (darwin_asm_output_anchor): Disable
1722 -fsection-anchors on darwin for now.
1723 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1724 * rs6000/rs6000.c (optimization_options): Likewise.
1726 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1729 * config/i386/i386.c (classify_argument): Skip fields with invalid
1732 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1734 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1735 (cse_insn): Likewise for the stack_pointer_rtx.
1737 2006-06-08 Roger Sayle <roger@eyesopen.com>
1739 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1740 conditions from floating point comparisons.
1742 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1745 * expmed.c (struct alg_hash_entry): Fix type of field T
1746 to match synth_mult argument.
1747 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1749 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1752 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1755 2006-06-08 Richard Guenther <rguenther@suse.de>
1758 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1759 only, if overflow is defined and not trapping.
1760 (negate_expr): Likewise.
1762 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1764 PR tree-optimization/27872
1765 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1766 flag on the new exit edge of the unrolled loop.
1768 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1770 PR rtl-optimization/26449
1771 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1773 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1776 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1777 referenced_variables with matching DECL_UID's.
1778 (find_referenced_vars): Make sure duplicate list is empty to start.
1779 (referenced_var_p): Remove.
1780 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1781 Check if var is in the list, and add if needed. Update the duplicate
1782 list if a different var is in the list with the same DECL_UID.
1783 (add_referenced_var): Call routine to check and insert.
1784 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1785 * tree-flow.h (referenced_vars_dup_list): External declaration.
1787 2006-06-07 Fred Fish <fnf@specifix.com>
1789 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1792 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1795 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1796 the imaginary and real parts of a clobbered register.
1797 Emit insn to set the imaginary part.
1799 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1801 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1802 in lieu of unwind-dw2-fde.c.
1804 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1806 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1808 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1811 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1812 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1813 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1814 V4SImode temporaries and operations instead.
1816 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1818 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1821 2006-06-06 Mike Stump <mrs@apple.com>
1823 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1824 installing during build.
1826 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1828 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1830 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1831 * config/ia64/ia64.c (params.h): New header.
1832 (ia64_optimization_options): New function to adjust parameters.
1833 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1834 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1835 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1837 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1839 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1841 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1844 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1846 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1847 Victor Kaplansky <victork@il.ibm.com>
1849 PR tree-optimization/26360
1850 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1853 2006-06-04 Roger Sayle <roger@eyesopen.com>
1854 Andrew Pinski <pinskia@physics.uc.edu>
1857 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1858 for LABEL_DECL before calling DECL_WEAK.
1861 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1862 LABEL_DECL and PARM_DECL.
1864 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1868 * c-decl.c (grokdeclarator): Disallow variably modified types at
1869 file scope. Avoid marking shared array type of constant size as
1872 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1875 * c-common.c (fold_offsetof_1): Handle static members.
1877 2006-06-04 Eric Christopher <echristo@apple.com>
1879 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1880 (debug_rli): Output value for remaining_in_alignment.
1881 (update_alignment_for_field): Unconditionalize
1882 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1883 extra alignment code.
1884 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1885 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1886 * tree.h (record_layout_info_s): Remove prev_packed.
1887 * doc/extend.texi (ms_struct): Add documentation of format.
1889 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1891 * tree.h: Declare folding_initializer.
1892 * builtins.c (fold_builtin_constant_p): Give definite answer
1893 if folding inside an initializer.
1894 * fold-const.c: Define folding_initializer.
1895 (START_FOLD_INIT): Save and then set folding_initializer.
1896 (END_FOLD_INIT): Restore folding_initializer.
1898 2006-06-04 Richard Guenther <rguenther@suse.de>
1900 PR tree-optimization/27039
1901 * fold-const.c (fold_comparison): Handle pointer comparison
1902 again for all comparison codes. Compare offsets in signed
1904 (fold_binary): Move code from here.
1906 2006-06-03 Roger Sayle <roger@eyesopen.com>
1909 * config/i386/i386.c (construct_container): Split static issued_error
1910 flag into issued_sse_arg_error, issued_sse_ret_error and
1911 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1912 requires the use of x87 registers and the user explicitly
1913 specified the -mno-80387 command line option.
1915 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1917 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1918 HAVE_DECL_SIGALTSTACK.
1920 (segv_handler): Use MC_FLD.
1921 * configure.ac: Check for a sigaltstack declaration.
1922 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1923 * configure: Regenerate.
1924 * config.in: Regenerate.
1926 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1929 * Makefile.in (stmp-fixinc): Fix typo.
1931 2006-06-02 Roger Sayle <roger@eyesopen.com>
1933 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1934 are type correct. Clean-up.
1935 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1936 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1938 2006-06-01 DJ Delorie <dj@redhat.com>
1940 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1941 shift, as we've disabled the "switch" insn that needs it.
1943 2006-06-01 Per Bothner <bothner@bothner.com>
1945 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1946 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1947 * c-ppoutput.c (cb_define): Don't increment line 0.
1949 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1951 * doc/invoke.texi: Add cpu_type power6.
1952 * config.gcc: Add cpu_type power6.
1953 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1954 to power5+ with Altivec.
1955 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1956 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1958 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1960 * config/avr/avr.h (SET_ASM_OP): Define.
1962 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1964 * config/bfin/bfin.c: Fix comment typos.
1966 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1969 * doc/install.texi: Document --enable-bootstrap and
1970 --disable-bootstrap.
1972 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1974 * doc/install.texi: Document that InfoZIP can replace jar.
1976 2006-05-31 Roger Sayle <roger@eyesopen.com>
1978 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1979 isn't available, directly generate the simpler x87 patterns without
1980 the (use (const_int 0)).
1981 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1982 implementation isn't available.
1983 (*negdf2_1): Likewise.
1984 (*negxf2_1): XF mode negation is always done using the x87.
1985 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1987 2006-05-31 Roger Sayle <roger@eyesopen.com>
1989 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1990 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1992 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1994 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1996 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1997 * config/bfin/bfin.c (basic-block.h): Include.
1998 (struct machine_function): New.
1999 (bfin_init_machine_status): New.
2000 (override_options): Initialize init_machine_status.
2001 (bfin_hardware_loop): New.
2002 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2003 (DEF_VEC_P (loop_info)): New.
2004 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2005 (struct loop_info): New.
2006 (loop_info): New typedef.
2007 (struct loop_work): New.
2008 (loop_work): New typedef.
2009 (DEF_VEC_O (loop_work)): New.
2010 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2011 (bfin_dump_loops): New.
2012 (bfin_bb_in_loop): New.
2013 (bfin_scan_loop): New.
2014 (bfin_optimize_loop): New.
2015 (bfin_reorg_loops): New.
2016 (bfin_reorg): Use bfin_reorg_loops.
2017 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2019 (I_REGNO_P): Simplify.
2020 (DP_REGNO_P, DPREG_P): New macros.
2021 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2022 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2023 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2024 Add LT_REGS, LC_REGS, LB_REGS.
2025 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2027 (REGNO_REG_CLASS): Deal with loop registers.
2028 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2030 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2031 New constants for loop registers.
2032 (UNSPEC_LSETUP_END): New.
2033 (seq_insns): New define_attr. Set it for appropriate insns.
2034 (movsi_insn): Add alternatives for move from/to
2035 loop count registers.
2036 (doloop_end): New define_expand.
2037 (loop_end): New define_insn.
2038 (define_split for bad doloop_end): New.
2039 (lsetup_with_autoinit): New define_insn.
2040 (lsetup_without_autoinit): New define_insn.
2041 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2042 * config/bfin/predicates.md (lc_register_operand): New.
2043 (lt_register_operand): New.
2044 (lb_register_operand): New.
2045 (nondp_register_operand): New.
2046 (nondp_reg_or_memory_operand): New.
2047 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2049 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2051 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2052 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2054 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2056 * Makefile.in (CATALOGS): Add po/ prefix.
2057 * configure: Regenerated.
2059 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2062 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2063 a shift operand before calling shift_op. Avoid redundant call of
2066 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2067 DJ Delorie <dj@redhat.com>
2069 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2070 we're inserting is a singlt-bit constant.
2072 2006-05-30 Roger Sayle <roger@eyesopen.com>
2074 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2075 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2077 2006-05-30 Roger Sayle <roger@eyesopen.com>
2079 PR tree-optimization/23452
2080 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2081 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2082 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2083 complex values and with -ffast-math for FP complex values.
2085 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2087 * c-common.h: Remove the prototype for yyparse.
2088 * rtl.h: Remove the prototype for init_loop.
2090 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2092 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2095 2006-05-30 Roger Sayle <roger@eyesopen.com>
2097 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2099 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2100 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2102 2006-05-30 Dirk Mueller <dmueller@suse.de>
2105 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2106 for CONSTANT_CLASS_P expresisons.
2108 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2111 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2113 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2115 PR tree-optimization/27779
2116 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2117 initial_condition instead of CHREC_LEFT.
2119 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2121 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2122 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2123 Make prototypes ISO C90.
2125 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2126 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2128 * see.c (see_analyze_one_def): Correct check.
2129 (see_get_extension_data): Check if extension is parallel.
2130 (see_get_extension_reg): Likewise.
2132 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2135 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2136 into register for (code == GTU).
2138 2006-05-29 Roger Sayle <roger@eyesopen.com>
2140 PR tree-optimization/24964
2141 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2142 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2143 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2144 abs(x)*abs(x) as x*x for scalar floating point modes.
2146 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2149 * lambda-code.c (perfect_nestify): Don't copy statements
2150 in the inner loop: move them to the inner loop header.
2152 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2155 * c-tree.texi: Document OpenMP directives and clauses.
2157 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2159 * varasm.c (globalize_decl): Fix indentation.
2161 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2164 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2165 pass_fre, pass_store_ccp, pass_copy_prop,
2166 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2167 pass_return_slot, pass_object_size, pass_lim,
2168 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2169 pass_loop_prefetch and pass_stdarg.
2171 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2173 * config/bfin/bfin.opt (mfdpic): New option.
2174 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2175 (EXTRA_MULTILIB_PARTS): Likewise.
2176 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2177 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2179 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2180 (CRT_CALL_STATIC_FUNCTION): New.
2181 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2183 (CRT_CALL_STATIC_FUNCTION): New.
2184 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2186 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2187 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2188 (initialize_trampoline): Changed to handle FD-PIC code generation.
2189 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2190 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2191 (override_options): Disallow -mid-shared-library -mfdpic combination.
2192 Can't do unaligned ops if FD-PIC.
2193 Turn off flag_pic if trying to generate non-id-shared-library
2194 non-fdpic code, since it's not supported.
2195 (bfin_assemble_integer): New function.
2196 (TARGET_ASM_INTEGER): Define.
2197 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2199 * config/bfin/crtn.s: Restore them.
2200 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2202 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2203 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2204 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2205 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2206 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2208 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2209 FDPIC_REGS and FDPIC_FPTR_REGS.
2210 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2211 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2212 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2213 (load_funcdescsi): New pattern.
2214 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2215 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2216 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2218 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2220 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2223 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2225 * tree-flow.h: Remove the prototype for add_type_alias.
2226 * tree-ssa-alias.c (add_type_alias): Remove.
2228 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2230 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2231 config/fr30/fr30.md, config/i386/i386-interix.h,
2232 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2233 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2234 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2235 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2236 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2237 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2238 Follow spelling conventions.
2239 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2240 Follow spelling conventions.
2242 2006-05-27 Richard Guenther <rguenther@suse.de>
2245 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2246 to produce a constant of value 1 of generic type.
2248 2006-05-27 Dirk Mueller <dmueller@suse.de>
2250 * cgraphunit.c (decide_is_function_needed): Fix wrong
2253 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2255 PR rtl-optimization/27661
2256 * reload.c (find_reloads): When reloading a VOIDmode constant
2257 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2258 use Pmode as mode of the reload register.
2260 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2262 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2263 is enabled at -O and above.
2265 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2268 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2271 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2274 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2275 for anonymous variables explicitly declared by front ends.
2277 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2279 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2280 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2281 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2282 ref-all pointers, run a finalization pass for them.
2283 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2284 (finalize_ref_all_pointers): New function.
2285 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2286 regular pointer type to a ref-all pointer type.
2287 (get_tmt_for): Return the special memory tag for ref-all pointers.
2289 2006-05-25 Richard Guenther <rguenther@suse.de>
2292 * fold-const.c (fold_binary): Do not look at the stripped
2293 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2295 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2297 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2298 for LT and GT if the computed range is effectively empty.
2300 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2303 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2304 mips_quad_format formats instead of ieee_single_format,
2305 ieee_double_format and ieee_quad_format formats, respectively.
2307 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2309 PR tree-optimization/27639
2310 PR tree-optimization/26719
2311 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2312 call to scev_probably_wraps_p.
2313 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2314 used_in_pointer_arithmetic_p, convert_step): Removed.
2315 (nowrap_type_p): New function.
2316 (scev_probably_wraps_p): Rewritten.
2317 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2318 chrec_convert if chrec_convert_aggressive might have been used.
2319 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2320 scev_direction): New functions.
2321 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2322 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2323 instead of convert_step.
2324 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2325 (convert_step): Declaration removed.
2326 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2328 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2330 * df-core.c: Added to header comments.
2331 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2332 df_ur_bb_info, df_urec_bb_info): Added comments.
2333 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2334 urec, ri problems): Fixed header comments.
2335 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2336 code from df_rd_transfer_function.
2338 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2340 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2341 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2342 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2344 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2346 * expr.c (undefined_operand_subword_p): New.
2347 (emit_move_multi_word): Do not generate move from undefined bits
2348 of a paradoxical subreg.
2350 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2352 PR rtl-optimization/27736
2353 * combine.c (replaced_rhs_value): New variable.
2354 (combine_instructions): Set it.
2355 (distribute_notes): When distributing a note in replaced_rhs_insn,
2356 check whether the value was used in replaced_rhs_value.
2358 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2361 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2362 add_referenced_var instead of add_referenced_tmp_var.
2363 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2364 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2366 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2367 tree_optimize_tail_calls_1): Use add_referenced_var.
2368 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2369 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2370 Use add_referenced_var.
2371 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2372 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2373 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2374 Use add_referenced_var.
2375 * tree-dfa.c (struct walk_state): Remove.
2376 (find_referenced_vars): Remove walk state and vars_found hash table.
2377 (make_rename_temp): Use add_referenced_var.
2378 (find_vars_r): Pass less parameters to add_referenced_var.
2379 (referenced_var_p): New. Is var in referenced_var hash table.
2380 (referenced_var_insert): Assert var isn't already in hash table.
2381 (add_referenced_var): Don't need walk_state parameter. Add var if it
2382 isn't already in the hash table.
2383 (add_referenced_tmp_var): Remove.
2384 (find_new_referenced_vars_1): Use add_referenced_var.
2385 * tree-ssa-pre.c (create_expression_by_pieces,
2386 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2387 Use add_referenced_var.
2388 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2389 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2390 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2392 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2393 vect_create_data_ref_ptr, vect_create_destination_var,
2394 vect_init_vector, vect_build_loop_niters,
2395 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2396 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2397 Use add_referenced_var.
2398 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2399 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2400 (add_referenced_var): Add prototype.
2401 * tree-ssa-structalias.c (get_constraint_for,
2402 intra_create_variable_infos): Use add_referenced_var.
2404 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2406 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2407 big-endian paradoxical subregs.
2408 * var-tracking.c (struct micro_operation_def): Document that,
2409 for modify micro operations, insn is the subsequent instruction.
2410 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2411 (var_reg_set, var_mem_set): ... new functions.
2412 (add_stores): Record subsequent insn.
2413 (compute_bb_dataflow): Use new functions for MO_USE.
2414 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2415 notes after the insn, and modify notes before the insn known
2416 to be the subsequent one.
2417 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2419 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2422 * config/i386/i386.c (ix86_expand_builtin): Use
2423 gen_sse3_monitor64 for TARGET_64BIT.
2425 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2427 PR rtl-optimization/26375
2428 PR rtl-optimization/26855
2429 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2431 (df_ru_bb_local_compute): Reversed statements and removed bogus
2432 comment explaining why they should be in wrong order.
2433 (df_ru_dump, df_rd_dump): Enhanced debug info.
2434 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2436 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2437 reaching uses and fixed space problem.
2439 2006-05-23 Jan Hubicka <jh@suse.cz>
2441 * cgraphunit.c (decide_is_function_needed): Also nested functions
2442 and functions declared inline can be optimized out at -O0.
2444 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2446 * doc/install.texi (Configuration): Remove reference to CrossGCC
2450 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2453 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2454 ix86_compare_emitted is non-NULL.
2456 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2459 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2462 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2464 PR rtl-optimization/25514
2465 * combine.c (replaced_rhs_insn): New variable.
2466 (combine_instructions): Set replaced_rhs_insn when trying to replace
2467 a SET_SRC with a REG_EQUAL note.
2468 (distribute_notes): Use replaced_rhs_insn when determining the live
2469 range of a REG_DEAD register.
2471 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2472 Anatoly Sokolov <aesok@post.ru>
2474 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2475 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2476 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2477 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2478 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2479 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2480 at90usb647, at90usb1286 and at90usb1287 devices.
2481 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2482 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2484 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2486 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2488 2006-05-22 Richard Guenther <rguenther@suse.de>
2491 2006-01-31 Richard Guenther <rguenther@suse.de>
2492 Paolo Bonzini <bonzini@gnu.org>
2494 * doc/install.texi (--disable-libgcc-math): Document.
2496 2006-05-22 Richard Guenther <rguenther@suse.de>
2499 2006-01-31 Richard Guenther <rguenther@suse.de>
2501 * doc/invoke.texi (-msselibm): Document.
2502 * target.h (expand_library_builtin): New target hook.
2503 * builtins.c (expand_builtin): Use expand_library_builtin.
2504 (default_expand_library_builtin): New function.
2505 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2506 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2507 (link_gcc_math_spec): Declare.
2508 (static_specs): Add link_gcc_math_spec.
2509 * expr.h (default_expand_library_builtin): Declare.
2510 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2511 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2512 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2513 * config/i386/i386.opt (msselibm): New target option.
2514 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2515 (ix86_init_sse_abi_builtins): New function.
2516 (ix86_expand_library_builtin): Likewise.
2517 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2518 (override_options): Handle error conditions wrt -msselibm.
2519 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2520 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2521 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2524 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2527 * c-common.c (self_promoting_args_p): Skip erroneous args.
2530 * c-decl.c (finish_struct): Skip erroneous fields.
2532 2006-05-22 Nick Clifton <nickc@redhat.com>
2534 * config/cris/cris.opt (march): Remove VarExists attribute.
2535 (max-stackframe=): Likewise.
2537 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2539 * doc/rtl.texi: Fix a typo.
2540 * see.c: Fix comment typos.
2542 * tree-ssa-structalias.h (alias_info): Remove num_references.
2544 2006-05-21 Mike Stump <mrs@apple.com>
2546 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2548 (darwin_pragma_options): Use BAD instead.
2549 (darwin_pragma_unused): Likewise.
2550 (darwin_pragma_ms_struct): Likewise.
2552 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2554 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2556 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2558 PR rtl-optimization/27671
2559 * simplify-rtx.c (simplify_relational_operation_1): Fix
2560 simplifications of (eq/ne (xor x y) y) and
2561 (eq/ne (xor x y) x).
2563 PR tree-optimization/26622.
2564 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2567 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2569 * tree-cfg.c: Prune whitespace.
2570 (debug_tree_cfg): Point to correct header containing the
2573 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2576 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2578 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2581 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2582 or sorry count is non zero.
2584 2006-05-20 Andreas Schwab <schwab@suse.de>
2586 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2588 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2589 Kenneth Zadeck <zadeck@naturalbridge.com>
2591 PR rtl-optimization/26855
2593 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2595 (df_scan_alloc): Added code to properly handle multiword hard
2596 registers and add all_blocks parameter.
2597 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2598 code to properly handle multiword hard registers.
2599 (df_rescan_blocks): Added code to remove deleted blocks from
2601 (df_ref_create_structure, df_ref_record): Added code to properly
2603 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2604 and set DF_REF_PARTIAL.
2605 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2606 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2607 (df_scan_add_problem): Added flags parameter.
2608 (df_ref_create_structure): Changed switching structure.
2609 (df_bb_refs_record): Fixed case where duplicate artificial refs
2610 were created. Changed location of flags.
2611 (df_record_entry_block_defs): Added code to make stack pointer
2612 live in entry block. Refined cases where frame pointer is needed.
2613 Changed location of flags.
2614 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2615 (df_set_state): Removed function.
2616 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2617 df_insn_create_insn_record, df_insn_refs_delete,
2618 df_ref_create_structure): Formatting changes.
2619 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2620 df_delete_basic_block): New function.
2621 (df_init): Changed location of flags.
2622 (df_add_problem): Added flags parameter and the way flags are
2624 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2625 debug_df_chain): Improved debugging output.
2626 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2627 (df_refs_chain_dump): Removed df parameter.
2628 (df_iterative_dataflow): Added consistency check.
2629 (df_prune_to_subcfg): Made public.
2630 (df_analyze_problem): Added blocks_to_init parameter and made
2632 (df_ref_record, df_bb_refs_record, df_mark_reg,
2633 df_record_exit_block_uses): Whitespace changes.
2634 (df_dump): Whitespace changes.
2635 * df.h: Some reordering to remove forward references.
2636 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2637 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2638 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2639 (dataflow.flags): New field.
2640 (df.flag): Deleted field.
2641 (df_alloc_function): Added additional bitmap parameter.
2642 (df_dependent_problem_function): New type.
2643 (df_problem.changeable_flags): New field.
2644 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2645 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2646 (df_mw_hardreg): New struct.
2647 (DF_INSN_UID_MWS): New macro.
2648 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2650 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2651 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2652 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2653 (df_set_state): Removed function.
2654 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2655 * df-problems.c (df_chain_dump): Removed df parameter.
2656 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2657 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2659 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2660 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2661 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2662 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2663 DF_REF_MUST_CLOBBER cases.
2664 (df_ru_bb_local_compute_process_def,
2665 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2666 df_lr_bb_local_compute, df_ur_bb_local_compute,
2667 df_chain_create_bb): Made subreg aware.
2668 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2669 df_lr_bb_local_compute, df_lr_bb_local_compute,
2670 df_chain_create_bb): Cleanup to use proper macros.
2671 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2672 code to fixup bitvectors.
2673 (df_ri_alloc): Cleared lifetime.
2674 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2675 df_create_unused_note): New function.
2676 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2677 REG_DEAD and REG_UNUSED notes as well as register information.
2678 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2679 df_chains_dump): Fixed crash if problem was never run.
2680 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2681 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2682 df_ri_add_problem): Processes flags in uniform manner.
2683 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2684 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2685 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2686 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2687 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2688 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2689 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2690 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2691 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2692 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2693 * see.c (see_initialize_data): Ditto.
2694 * final.c (rest_of_clean_state) Added regstack_completed.
2695 * rtl.h (regstack_completed): Ditto.
2696 * reg-stack.c (regstack_completed): Ditto.
2698 2006-05-19 Mike Stump <mrs@apple.com>
2700 * c-tree.h (default_conversion): Remove.
2701 * c-common.h (default_conversion): Add.
2703 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2705 * tree-vrp.c (valid_value_p): New function.
2706 (adjust_range_with_scev): Fail if the value of bound is not
2709 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2711 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2712 (mips_fallback_frame_state): Use syscall numbers to determine
2713 the appropriate li instruction for the current ABI. Only use
2714 __NR_sigreturn for o32.
2716 2006-05-19 Nicolas Setton <setton@adacore.com>
2718 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2719 * langhooks.c (lhd_dwarf_name): New function.
2720 * langhooks-def.h (lhd_dwarf_name): Declare.
2721 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2722 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2723 * ada/misc.c (gnat_dwarf_name): New function.
2724 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2726 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2728 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2730 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2731 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2732 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2733 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2734 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2735 determine the size of Wtype, etc.
2736 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2737 (swfloatfuncs): New variable.
2738 (dwfloatfuncs): Likewise.
2739 (lib2funcs): Remove floating-point conversion functions from
2740 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2741 the set of conversion routines needed. Allow entries to specify
2742 an object name, filename and word size. Update users accordingly.
2743 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2744 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2748 2006-02-08 Roger Sayle <roger@eyesopen.com>
2751 * config/fixtfdi.c: New libgcc source file.
2752 * config/fixunstfdi.c: New source file.
2753 * config/floatditf.c: New source file.
2754 * config/floatunditf.c: New souce file.
2755 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2756 files above instead of config/mips/_tilib.c.
2757 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2759 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2761 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2762 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2764 2006-05-18 Mike Stump <mrs@apple.com>
2766 Fix up vla, vm and [*] sematics.
2772 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2773 (c_vla_unspec_p): Add.
2774 (c_vla_type_p): Add.
2775 * c-decl.c (struct c_scope): Add had_vla_unspec.
2776 (build_array_declarator): Add support for [*].
2777 (grokdeclarator): Likewise.
2778 (grokparms): Likewise.
2779 (get_parm_info): Likewise.
2780 * c-objc-common.c (c_vla_unspec_p): Likewise.
2781 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2782 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2783 typeof when argument is a variably modified type not inside sizeof or alignof.
2784 (c_parser_direct_declarator_inner): Propagate errors.
2785 (c_parser_sizeof_expression): Add support for [*].
2786 (c_parser_parms_declarator): Initialize had_vla_unspec.
2787 (c_parser_parms_list_declarator): Likewise.
2788 * c-typeck.c (c_vla_type_p): Add.
2789 (composite_type): Add support for vla compositing.
2790 (comptypes_internal): Add support for vla compatibility.
2791 (c_expr_sizeof_expr): Evaluate vla arguments.
2792 * tree.c (variably_modified_type_p): Update comment for [*].
2794 2006-05-18 Michael Matz <matz@suse.de>
2797 * config.host: Make assignments to host_xmake_file cumulative.
2798 * config.host (*-darwin*): Test $host, not $target.
2800 2006-05-12 Stuart Hastings <stuart@apple.com>
2802 * config/i386/i386.opt (-mstackrealign): New flag.
2803 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2804 (ix86_handle_cconv_attribute): Emit error when
2805 force_align_arg_pointer attribute collides with too many regparms.
2806 (ix86_function_regparm): Limit regparms when used with
2807 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2808 Support stack-realigning prologue in non-main functions. Emit
2809 warning for nested functions under -mstackrealign, emit error for
2810 nested functions with force_align_arg_pointer attribute.
2811 * doc/extend.texi (force_align_arg_pointer): Document it.
2812 * doc/invoke.texi (-mstackrealign): Document it.
2814 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2816 PR rtl-optimization/27477
2817 * combine.c (try_combine): Don't split a parallel consisting
2818 of two sets into two individual sets if both sets reference
2821 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2823 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2824 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2826 * doc/options.texi (VarExists): Updated.
2828 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2830 * unwind-dw2.c: Add declarations for uw_update_context and
2832 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2833 detected, advance frame state and context once to skip over stub.
2835 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2839 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2840 Call rewrite_into_loop_closed_ssa only when something changed.
2841 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2842 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2843 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2844 Test for perfect_nest_p here. Fix formating.
2845 (replace_uses_equiv_to_x_with_y): Fix formating.
2846 (stmt_uses_op): Removed.
2847 (can_convert_to_perfect_nest): Removed loopivs parameter.
2848 Complete the test by checking the scalar dependences.
2849 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2852 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2855 From Dan Kegel <dank@kegel.com>:
2856 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2858 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2860 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2861 if the element type is variably modified without recursing.
2863 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2866 * tree-loop-linear.c (try_interchange_loops): Test for
2867 no data dependences.
2869 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2871 PR tree-optimization/27548
2872 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2873 range of ssa names that appear on abnormal edges.
2874 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2875 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2877 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2880 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2882 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2885 * tree.h (OMP_PARALLEL_COMBINED): Define.
2886 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2887 (new_omp_context): Add is_combined_parallel argument.
2888 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2889 new_omp_context caller.
2890 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2891 Adjust gimplify_scan_omp_clauses callers.
2892 (omp_is_private): Issue errors if iteration variable is firstprivate
2893 or reduction in the current context.
2894 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2895 on combined parallel workshare constructs.
2897 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2899 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2900 (gcc-options.o): New rule.
2902 * optc-gen.awk: Protect variables for gcc-options.o with
2903 #ifdef GCC_DRIVER/#endif.
2905 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2907 Fix PR tree-optimization/27373
2908 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2909 (forward_propagate_addr_expr): Update call.
2911 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2913 * doc/options.texi: Move the Negative option.
2915 2006-05-16 Richard Guenther <rguenther@suse.de>
2917 PR tree-optimization/22303
2918 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2920 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2921 ccp_fold did not simplify the statement.
2923 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2926 * Makefile.in (GCC_OBJS): New.
2927 (OBJS-common): Add opts-common.o.
2928 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2929 (cpp$(exeext)): Likewise.
2930 (gcc.o): Also depend on opts.h.
2931 (opts-common.o): New.
2933 * common.opt (gcoff): Add Negative(gdwarf-2).
2934 (gdwarf-2): Add Negative(gstabs).
2935 (gstabs): Add Negative(gstabs+).
2936 (gstabs+): Add Negative(gvms).
2937 (gvms): Add Negative(gxcoff).
2938 (gxcoff): Add Negative(gxcoff+).
2939 (gxcoff+): Add Negative(gcoff).
2940 * config/i386/i386.opt (m32): Add Negative(m64).
2941 (m64): Add Negative(m32).
2943 * doc/options.texi: Document the Negative option.
2945 * gcc.c: Include "opts.h".
2946 (main): Call prune_options after expandargv.
2948 * optc-gen.awk: Generate common declarations for all flag
2949 variables in options.c. Output the neg_index field.
2951 * opts.c (find_opt): Moved to ...
2952 * opts-common.c: Here. New file.
2954 * opts.h (cl_option): Add a neg_index field.
2956 (prune_options): Likewise.
2958 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2961 * omp-low.c (expand_omp_parallel): Don't assert
2962 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2963 instead search for it.
2966 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2969 2006-05-16 Andreas Schwab <schwab@suse.de>
2971 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2974 2006-05-15 Roger Sayle <roger@eyesopen.com>
2977 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2978 integer constants other than zero are only legitimate on TARGET_64BIT.
2979 <CONST_VECTOR> Only zero vectors are legitimate.
2980 (ix86_cannot_force_const_mem): Integral and vector constants can
2981 always be put in the constant pool.
2983 2006-05-16 DJ Delorie <dj@redhat.com>
2985 * crtstuff.c (__dso_handle): Set section from
2986 TARGET_LBIGCC_SDATA_SECTION if defined.
2987 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2988 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2990 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2993 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2996 2006-05-16 Ben Elliston <bje@au.ibm.com>
2998 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3000 2006-05-15 Per Bothner <per@bothner.com>
3002 * tree.c: (last_annotated_node): Use source_locus typedef.
3003 This permits bootstrapping with --enable-mapped-location.
3005 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3007 PR tree-optimization/26830
3008 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3009 (info_for_ssa_name, current_info_for_ssa_name_age,
3010 blocks_to_update): New variables.
3011 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3012 (clear_ssa_name_info, initialize_flags_in_bb,
3013 mark_block_for_update): New functions.
3014 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3015 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3016 prepare_def_site_for): Use mark_block_for_update.
3017 (mark_def_interesting): Assert that the processed block is marked in
3018 blocks_to_update. Do not take blocks argument.
3019 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3021 (rewrite_update_init_block, rewrite_update_stmt): Only process
3022 blocks with statements to rewrite.
3023 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3024 (update_ssa): Initialize and free blocks_to_update. Do not
3025 clear flags on statements. Do not use blocks bitmap.
3026 * tree.h (SSA_NAME_AUX): Removed.
3027 (struct tree_ssa_name): Removed aux field.
3028 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3030 2006-05-15 Richard Guenther <rguenther@suse.de>
3032 PR tree-optimization/27603
3033 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3034 Do computations in original type.
3036 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3038 * see.c: Code style changes such as redundant paranthesis,
3039 redundant intialization of local variables etc.
3040 (see_main): Declared now as static.
3041 * doc/invoke.texi: Update that -fsee is not enabled by
3044 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3046 * omp-low.c (check_omp_nesting_restrictions): New function.
3047 (scan_omp_1): Call it.
3050 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3051 construct, return *VAR.
3053 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3055 PR rtl-optimization/27406
3056 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3059 2006-05-14 Roger Sayle <roger@eyesopen.com>
3061 PR rtl-optimization/27538
3062 * combine.c (expand_compound_operation): Call gen_lowpart
3063 before calling simplify_shift_const.
3065 2006-05-14 Roger Sayle <roger@eyesopen.com>
3067 PR rtl-optimization/22563
3068 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3069 a fixed width bitfield, always force the intermediates into psuedos.
3071 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3074 * mkconfig.sh: Use operator = instead of == for test.
3076 2006-05-13 Nick Clifton <nickc@redhat.com>
3078 * dwarf2out.c (dbx_reg_number): Check return value from
3079 LEAF_REG_REMAP and only use it if it is valid.
3080 (multiple_reg_loc_descriptor): Likewise.
3082 2006-05-13 Richard Guenther <rguenther@suse.de>
3084 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3087 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3089 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3090 information attached to non-INSNs such as NOTEs.
3091 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3093 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3095 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3097 * config/s390/s390.md: Adjust comment describing On constraint.
3099 2006-05-11 Jan Hubicka <jh@suse.cz>
3101 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3102 to be output at -O0.
3104 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3107 * fold-const.c (size_binop): Move sanity check for arguments to
3108 the beginning of the function.
3111 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3114 2006-05-11 Richard Guenther <rguenther@suse.de>
3117 * fold-const.c (fold_unary): Handle intermediate conversion
3118 to a pointer type like intermediate conversion to an integer
3119 type in folding of (T1)(T2)var to var.
3120 Match the code to the comment in the final conversion for
3121 (T1)(T2)var to (T1)var regarding to type precision. Rather
3122 than disallow T1 being of pointer type, assert that both T1
3123 and var are of pointer type or not. Make sure not to fall
3124 over the frontends lazyness wrt array to pointer decay though.
3126 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3128 * arm.c (arm_struct_value_rtx): Delete.
3129 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3130 (arm_init_cumulative_args): Always initialize nregs to zero.
3132 2006-05-10 Richard Guenther <rguenther@suse.de>
3134 PR tree-optimization/27532
3135 * tree-object-size.c (plus_expr_object_size): Fix typo.
3137 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3140 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3141 ashrdi_const, ashrdi3): Use a scratch register.
3143 2006-05-10 Richard Guenther <rguenther@suse.de>
3145 PR tree-optimization/27302
3146 * fold-const.c (operand_equal_p): For two comparisons,
3147 try comparison of one comparison code swapped if that yields
3150 2006-05-10 Ben Elliston <bje@au.ibm.com>
3152 * tree-pretty-print.c (pretty_print_string): No need to handle
3153 '\0' as a special character.
3155 * tree.h: Include "hashtab.h".
3156 (iterative_hash_expr): Use hashval_t in its prototype.
3157 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3159 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3162 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3163 (hppa*64*-*-hpux11*): Ditto.
3164 (hppa[12]*-*-hpux11*): Ditto.
3166 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3169 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3171 2006-05-09 Michael Matz <matz@suse.de>
3173 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3174 host_extra_gcc_objs and host_xmake_file.
3175 (<*-*-linux*>): Don't overwrite host_xmake_file.
3176 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3177 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3178 (host_detect_local_cpu): Declare.
3179 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3180 * config/i386/i386.c (override_options): Handle -mtune=native
3182 * config/i386/x-i386: New file.
3183 * config/i386/driver-i386.c: New file.
3184 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3187 2006-05-09 Dirk Mueller <dmueller@suse.de>
3188 Richard Guenther <rguenther@suse.de>
3191 * fold-const.c (fold_read_from_constant_string): Relax check
3192 for matching types to matching modes.
3194 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3196 PR rtl-optimization/27335
3197 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3200 2006-05-08 Chao-ying Fu <fu@mips.com>
3201 Richard Sandiford <richard@codesourcery.com>
3203 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3204 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3205 * config/mips/mips.md (UNSPEC_SCC): New constant.
3206 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3207 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3208 (mips_emit_compare): Use it.
3209 (mips_expand_vcondv2sf): New function.
3211 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3213 Fix PR tree-optimization/27093
3214 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3215 renaming when they become not-used_alone.
3217 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3219 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3220 relocation and relocation stubs.
3222 2006-05-08 Eric Christopher <echristo@apple.com>
3224 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3227 2006-05-08 Jan Hubicka <jh@suse.cz>
3230 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3231 unused static functions are needed.
3233 2006-05-08 Roger Sayle <roger@eyesopen.com>
3236 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3237 of a reg_equiv_constant if the result is a legitimate constant.
3239 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3242 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3243 standard 80387 constants, raise the cost to prevent
3244 compress_float_constant() to generate load from memory.
3246 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3248 * config/arm/constraints.md (c): Fix a typo.
3250 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3253 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3256 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3258 (_mm_mwait): Likewise.
3260 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3262 (sse3_monitor): Make it 32bit only.
3263 (sse3_monitor64): New. 64bit monitor.
3265 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3268 * config/i386/i386.c (classify_argument): Skip fields with invalid
3271 2006-05-07 Richard Guenther <rguenther@suse.de>
3273 PR tree-optimization/27409
3274 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3275 Do not try to find zero-sized subvars.
3277 2006-05-07 Richard Guenther <rguenther@suse.de>
3279 PR tree-optimization/27136
3280 * tree-ssa-loop-niter.c (get_val_for): Correct function
3281 comment, assert requirements.
3282 (loop_niter_by_eval): Stop processing if the iterated
3283 value did not simplify.
3285 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3287 * opts.c (flag_see): remove its setting at -O3.
3289 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3291 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3292 * arm/constraints.md: New file.
3293 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3294 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3295 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3296 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3297 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3298 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3299 * arm.md: Include constraints.md.
3300 (thumb_movsi_insn): Use satisfies_constraint_J.
3301 (movhi, movqi): Use satisfies_constraint_I.
3303 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3305 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3306 for atmeg a645 device.
3308 2006-05-06 Richard Guenther <rguenther@suse.de>
3310 PR tree-optimization/27151
3311 * tree-vect-transform.c (vectorizable_condition): Punt on
3312 values that have a different type than the condition.
3314 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3317 * c-parser.c (c_parser_cast_expression): Only insert casts into
3318 hash table if pointer.
3319 * function.c (used_types_insert_helper): Rename from
3321 (used_types_insert): Call used_types_insert_helper.
3322 * function.h (used_types_insert): Accept only one argument.
3324 2006-05-05 David Edelsohn <edesohn@gnu.org>
3326 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3327 scratch with output modifier.
3329 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3332 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3333 with output modifier.
3335 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3338 * config/mips/mips.c (mips_symbolic_address_p): Return true
3339 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3340 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3342 2006-05-04 Richard Guenther <rguenther@suse.de>
3344 PR tree-optimization/14287
3345 PR tree-optimization/14844
3346 PR tree-optimization/19792
3347 PR tree-optimization/21608
3348 PR tree-optimization/27090
3349 * tree-ssa-pre.c (try_combine_conversion): New function.
3350 (compute_avail): After constructing the value-handle
3351 expression, use try_combine_conversion to combine NOP_EXPRs
3352 with previous value-handle expressions and use the result if it
3355 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3357 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3359 2006-05-04 Jan Hubicka <jh@suse.cz>
3362 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3364 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3366 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3367 that this only matches CONST_INTs. All users changed to VOIDmode
3370 * config/bfin/bfin.c: Include "optabs.h".
3371 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3373 (enum bfin_builtins): Add a number of fractional and vector builtins.
3374 (bfin_init_builtins): Likewise.
3375 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3376 (safe_vector_operand, bfin_expand_binop_builtin,
3377 bfin_expand_unop_builtin): New functions.
3378 (bfin_expand_builtin): Handle the new builtins.
3379 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3382 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3385 * Makefile.in (OBJS-common): Add see.o.
3386 (see.o): Add dependencies.
3387 * common.opt (fsee): New flag for the see optimization was added.
3388 * opts.c (flag_see): Initialized.
3389 * passes.c (init_optimization_passes, pass_see): New pass.
3390 * rtl.h (see_main): Declaration as extern.
3391 * timevar.def (TV_SEE): New.
3392 * tree-pass.h (pass_see): Declaration as extern.
3393 * invoke.texi (-fsee): Document.
3394 * recog.c (validate_simplify_insn): New function.
3395 * recog.h (validate_simplify_insn): Declaration as extern.
3396 * df-problems.c (df_chain_dump): Check for NULL.
3398 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3399 Daniel Berlin <dberlin@dberlin.org>
3401 * cfgrtl.c (insert_insn_bb_end_new): New function.
3402 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3404 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3406 * df.h (struct web_entry): Moved from web.c.
3407 (union_defs): Declaration as extern.
3408 (unionfind_root): Likewise.
3409 (unionfind_union): Likewise.
3410 * web.c (struct web_entry): Moved to df.h.
3411 (unionfind_root): Remove static declaration.
3412 (unionfind_union): Likewise.
3413 (union_defs): Likewise and generalize to use callback function.
3414 (web_main): Update arguments for union_defs function call.
3416 2006-05-04 Richard Guenther <rguenther@suse.de>
3418 PR tree-optimization/26447
3419 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3420 produce SSA_NAME copies before the store stmt to avoid
3421 breaking exception handling.
3423 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3426 * gimplify.c (omp_is_private): If var is shared in some outer context,
3427 return false instead of true. Stop searching on parallel context
3430 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3433 * coverage.c: Use get_gcov_unsigned_t() instead of
3434 unsigned_type_node all over.
3436 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3438 PR tree-optimization/27381
3439 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3440 maintain the same immediate_use links.
3441 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3442 node rather than segfaulting.
3444 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3447 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3448 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3449 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3451 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3453 Fix PR tree-optimization/26626
3454 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3456 * tree-ssa-operands.c (access_can_touch_variable): Allow
3457 typecasting through union pointers.
3459 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3462 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3463 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3464 to find if var will be a global variable even in the nested context.
3465 (omp_copy_decl): Only check for global variable at the end, it might
3466 be overridden in outer contexts.
3467 (scan_sharing_clauses): For global variables don't create a field.
3468 (lower_rec_input_clauses): Do nothing for global shared variables.
3469 Emit a barrier at the end of ILIST if there were any decls in both
3470 firstprivate and lastprivate clauses.
3471 (lower_send_clauses): Do nothing for global variables except for
3474 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3476 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3477 of the correct signedness is returned.
3479 2006-05-02 Jeff Law <law@redhat.com>
3481 PR tree-optimization/27364
3482 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3483 multiply expressions.
3485 2006-05-02 Tom Tromey <tromey@redhat.com>
3487 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3489 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3492 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3493 -mthumb -fPIC are used.
3495 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3496 Joshua Kinard <kumba@gentoo.org>
3499 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3500 with 64-bit pointers.
3502 2006-05-02 Paul Brook <paul@codesourcery.com>
3504 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3506 (create_fix_barrier): Check that a suitable barrier location is
3508 (arm_reorg): Include ftmp->address in allowable range of addresses.
3510 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3513 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3516 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3519 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3520 around RESULT_DECL for result passed by reference.
3521 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3522 * omp-low.c (use_pointer_for_field): Don't look at
3523 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3524 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3525 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3526 time or var for passing by reference for
3527 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3528 TREE_ADDRESSABLE variables when passing by reference.
3530 * omp-low.c (dump_omp_region): Fix output formatting.
3533 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3534 (expand_omp_parallel): Likewise.
3535 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3538 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3539 on statement list containing also constructors and destructors.
3540 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3543 * except.c (duplicate_eh_regions): Fix clearing of
3544 cfun->eh->region_array entries.
3546 2006-05-01 DJ Delorie <dj@redhat.com>
3548 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3550 (gcc_cv_objdump): Likewise.
3551 * configure: Regenerated.
3553 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3556 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3557 templates for case 3 and 4.
3559 2006-05-01 DJ Delorie <dj@redhat.com>
3561 * vec.c: Include bconfig.h when appropriate.
3562 * Makefile.in (build/vec.o): Adjust dependencies.
3563 * mkconfig.sh: Make sure config.h isn't used for build machine
3566 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3568 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3570 (mark_phi_for_rewrite): New function.
3571 (insert_phi_nodes_for, mark_use_interesting): Call
3572 mark_phi_for_rewrite.
3573 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3574 (update_ssa): Initialize and free phis_to_rewrite.
3576 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3578 PR rtl-optimization/27291
3579 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3580 folded to a constant.
3582 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3584 PR tree-optimization/27283
3585 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3586 not whole # of iteration descriptions.
3587 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3588 uses abnormal ssa name.
3589 (niter_for_single_dom_exit): Ditto.
3590 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3591 return just the number of iterations.
3593 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3595 PR tree-optimization/27144
3596 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3597 (record_estimate): Only record constant upper bound.
3598 (infer_loop_bounds_from_undefined): Call
3599 compute_estimated_nb_iterations just once.
3600 (proved_non_wrapping_p): Renamed to ...
3601 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3602 (convert_step_widening, scev_probably_wraps_p): Call
3603 n_of_executions_at_most instead of proved_non_wrapping_p.
3604 (substitute_in_loop_info): Do not replace values in bounds.
3605 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3608 2006-05-01 Richard Henderson <rth@redhat.com>
3611 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3612 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3615 2006-05-01 Roger Sayle <roger@eyesopen.com>
3617 * c-typeck.c (parser_build_binary_op): Don't call the function
3618 unsigned_conversion_warning to spot operand/result type overflow.
3619 (build_binary_op): Instead, call convert_and_check instead of
3620 convert to report the problem when the operands are promoted.
3621 * c-common.c (unsigned_conversion_warning): Make static.
3622 * c-common.h (unsigned_conversion_warning): Delete prototype.
3624 2006-05-01 Richard Guenther <rguenther@suse.de>
3626 PR tree-optimization/26726
3627 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3629 (find_interesting_uses_address): ... we work around here
3630 by folding INDIRECT_REFs in the substituted base.
3632 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3634 * omp-low.c (dump_omp_region): Add newlines.
3636 2006-04-30 Roger Sayle <roger@eyesopen.com>
3638 * common.opt (Woverflow): New command line option.
3639 * c-common.c (constant_expression_warning): Check warn_overflow.
3640 (overflow_waring): Pass OPT_Woverflow to warning.
3641 (unsigned_conversion_warning): Likewise.
3642 (convert_and_check): Likewise.
3643 * doc/invoke.texi: Document new command line option.
3645 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3647 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3648 TARGET_NO_FP_IN_TOC for section anchors.
3649 (optimization_options): Enable section anchors for all
3650 non-"Objective" languages.
3652 2006-04-28 Eric Christopher <echristo@apple.com>
3654 * config/darwin-c.c (darwin_ms_struct): Move this
3655 (darwin_set_default_type_attributes): and this...
3656 * config/darwin.c: ... here.
3657 * config/darwin.h (darwin_ms_struct): Declare.
3659 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3661 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3663 2006-04-28 Roger Sayle <roger@eyesopen.com>
3666 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3667 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3668 an unsigned HOST_WIDE_INT.
3669 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3671 (really_start_incremental_init): No need to call convert because
3672 bitsize_zero_node is already of type bitsizetype.
3673 (push_init_level): Extract the value of constructor_index as an
3674 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3675 (process_init_element): Likewise.
3677 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3679 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3680 value before passing to make_relative_prefix.
3682 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3685 * builtins.c (expand_builtin_memset): Expand val in original mode.
3687 2006-04-27 Eric Christopher <echristo@apple.com>
3689 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3690 with #ifndef/#endif.
3691 * config/darwin-c.c (darwin_ms_struct): New.
3692 (darwin_pragma_ms_struct): Ditto.
3693 (darwin_set_default_type_attributes): Ditto.
3694 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3695 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3696 Register ms_struct pragma.
3697 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3698 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3699 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3700 darwin_set_default_type_attributes if TARGET_MACHO.
3702 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3704 PR tree-optimization/26854
3705 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3706 * doc/tree-ssa.texi: Update immuse iterator documentation.
3707 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3708 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3709 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3710 first_safe_imm_use, next_safe_imm_use): Remove.
3711 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3712 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3713 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3714 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3715 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3716 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3717 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3718 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3719 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3720 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3721 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3722 (perfect_nestify): Use new iterator.
3723 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3725 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3726 (next_imm_name): New field in struct immediate_use_iterator_d.
3727 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3728 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3729 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3730 * tree-cfg.c (replace_uses_by): Use new iterator.
3731 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3732 * tree-ssa-operands.c (correct_use_link): Remove.
3733 (finalize_ssa_use_ops): No longer call correct_use_link.
3735 2006-04-27 Stuart Hastings <stuart@apple.com>
3737 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3738 * config/t-darwin (crt3.o): Use it.
3739 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3740 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3741 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3742 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3743 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3746 2006-04-27 Roger Sayle <roger@eyesopen.com>
3748 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3749 size, force the intermediate into a new pseudo rather instead of
3750 performing both a bitwise AND and a bitwise IOR in memory.
3752 2006-04-27 Richard Guenther <rguenther@suse.de>
3754 PR rtl-optimization/26685
3755 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3756 this one "max-flow-memory-locations".
3758 2006-04-27 Richard Guenther <rguenther@suse.de>
3760 PR tree-optimization/25148
3761 * tree-vrp.c (compare_values): Remove code dealing with
3762 comparisons against type min/max value. Honour overflow
3763 and negative constants in code dealing with comparisons
3764 of plus and minus expressions.
3765 (value_inside_range): Use fold_binary with LE_EXPR and
3766 GE_EXPR rather than compare_values.
3768 2006-04-27 Dirk Mueller <dmueller@suse.de>
3770 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3773 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3775 * basic-block.h (safe_insert_insn_on_edge): Removed.
3776 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3778 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3779 Paolo Bonzini <bonzini@gnu.org>
3782 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3783 (simplify_and_const_int): Same.
3785 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3787 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3789 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3792 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3793 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3794 cgraph_global_info_ready.
3797 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3800 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3801 either decl or init is error_mark_node.
3804 * tree-flow.h (struct omp_region): Add sched_kind.
3805 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3806 instead of extracting omp for data.
3807 (expand_omp_for): Save extracted sched_kind.
3809 2006-04-25 Roger Sayle <roger@eyesopen.com>
3811 * expmed.c (store_bit_field): Also check whether the bitsize is
3812 valid for the machine's "insv" instruction before moving the
3813 target into a pseudo for use with the insv.
3814 * config/i386/predicates.md (const8_operand): New predicate.
3815 * config/i386/i386.md (extv, extzv, insv): Use the new
3816 const8_operand predicate where appropriate.
3818 2006-04-25 DJ Delorie <dj@redhat.com>
3820 * doc/install.texi (Specific): Clarify that this is not a list of
3821 supported hosts or targets.
3823 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3825 PR rtl-optimization/26725
3826 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3827 block's BB_DIRTY flag.
3829 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3831 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3834 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3835 to print an integer.
3837 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3839 * varasm.c (align_variable): New function.
3840 (get_block_for_decl): Apply align_variable to DECL before
3841 calculating section information.
3842 (assemble_variable): Split out alignment computation.
3844 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3846 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3849 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3851 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3852 MODE_PARTIAL_INT mode.
3853 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3854 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3856 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3857 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3859 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3861 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3863 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3864 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3865 MACFLAG_IH): Likewise.
3866 (movstricthi_1): Renamed from "*movstricthi".
3867 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3868 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3869 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3870 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3871 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3872 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3873 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3874 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3875 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3876 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3877 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3878 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3879 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3880 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3881 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3883 * doc/rtl.texi (ss_ashift): Improve wording.
3885 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3887 * dwarf2out.c (verify_marks_clear): New.
3888 (prune_unused_types): Call verify_marks_clear initially, not
3891 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3893 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3894 * doc/rtl.texi: Document them.
3895 * simplify-rtx.c (simplify_unary_operation,
3896 simplify_binary_operation_1): Don't abort when we see them.
3898 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3901 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3902 * configure.ac: Completely disregard languages that are not
3904 * configure: Regenerated.
3906 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3907 Richard Guenther <rguenther@suse.de>
3909 PR tree-optimization/27236
3910 * tree-inline.c (copy_body_r): Make sure to copy
3911 TREE_THIS_VOLATILE flag.
3913 2006-04-24 Richard Guenther <rguenther@suse.de>
3916 * tree-complex.c (update_parameter_components): Don't handle
3917 unused parameters which have no default def.
3919 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3920 Richard Guenther <rguenther@suse.de>
3922 PR tree-optimization/27218
3923 * tree-inline.c (expand_call_inline): Strip useless type
3924 conversions for the return slot address.
3926 2006-04-24 Richard Guenther <rguenther@suse.de>
3928 * cfgloop.h (struct loops): Remove unused field array. Reorder
3930 (LOOP_PREFETCH): Remove.
3932 2006-04-24 Richard Guenther <rguenther@suse.de>
3934 PR tree-optimization/22525
3935 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3936 variable, adjust types of generated expressions.
3938 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3940 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3941 (tree-vect-patterns.o): Likewise.
3943 (cselib.o): Likewise.
3944 (loop-doloop.o): Likewise.
3945 (regclass.o): Likewise.
3946 (reload1.o): Likewise.
3947 (explow.o): Replace target.h with $(TARGET_H).
3948 (ipa-prop.o): Likewise.
3949 (ipa-cp.o): Likewise.
3950 (ipa-inline.o): Likewise.
3951 (reorg.o): Likewise.
3952 (reg-stack.o): Likewise.
3954 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3956 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3958 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3960 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3962 * configure.ac: Completely disregard languages that are not
3964 * configure: Regenerated.
3967 * c-common.h (c_build_bitfield_integer_type): Declare.
3968 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3969 * c-common.c (c_build_bitfield_integer_type): ... here.
3971 2006-04-23 Roger Sayle <roger@eyesopen.com>
3974 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3975 a SImode SUBREG of a floating point register after no_new_pseudos.
3977 2006-04-23 Roger Sayle <roger@eyesopen.com>
3979 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3980 identify potentially eliminable registers to additionally catch
3981 VIRTUAL_INCOMING_ARGS_REGNUM.
3982 (addsi3): Update the conditions on when to use addsi_small_int.
3984 2006-04-23 Roger Sayle <roger@eyesopen.com>
3987 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3988 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3989 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3991 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3993 * fold-const.c (range_predecessor): Use operand_equal_p
3994 as the predicate for equality.
3995 (range_successor): Likewise.
3997 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4000 * config/soft-fp/op-common.h: Fix a typo.
4002 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4005 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4006 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4008 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4010 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4012 * doc/tm.texi: Fix a typo.
4014 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4016 * dwarf2out.c (struct die_struct): Document that die_sib makes
4017 a circular linked list.
4018 (FOR_EACH_CHILD): New.
4019 (reverse_die_lists): Delete.
4020 (reverse_all_dies): Delete.
4021 (add_dwarf_attr): Correct documentation.
4022 (remove_child_with_prev): New.
4023 (remove_child_TAG): Update for change to die_struct, use
4024 remove_child_with_prev.
4025 (add_child_die): Update for change to die_struct.
4026 (splice_child_die): Use remove_child_with_prev and add_child_die.
4027 (print_die): Use FOR_EACH_CHILD.
4028 (die_checksum): Likewise.
4029 (assign_symbol_names): Likewise.
4030 (output_location_lists): Likewise.
4031 (build_abbrev_table): Likewise.
4032 (calc_die_sizes): Likewise.
4033 (mark_dies): Likewise.
4034 (unmark_dies): Likewise.
4035 (unmark_all_dies): Likewise.
4036 (output_die): Likewise.
4037 (prune_unused_types_mark): Likewise.
4038 (prune_unused_types_walk): Likewise.
4039 (same_die_p): Update for change to die_struct.
4040 (break_out_includes): Likewise.
4041 (prune_unused_types_prune): Likewise.
4042 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4043 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4045 (dwarf2out_finish): Don't call reverse_all_dies.
4047 2006-04-21 Eric Christopher <echristo@apple.com>
4049 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4050 in comments and function names.
4052 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4055 * c-typeck.c (digest_init): Robustify.
4057 * c-typeck.c (pop_init_level): Simplify.
4059 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4061 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4063 2006-04-21 Paul Brook <paul@codesourcery.com>
4065 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4066 hardware floating point.
4068 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4070 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4073 2006-04-21 Nick Clifton <nickc@redhat.com>
4075 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4078 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4081 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4082 C++ lang type in traceback table for Objective-C++.
4084 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4086 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4088 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4090 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4093 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4094 were errors. Remove check for erroneous objects.
4096 2006-04-20 Jeff Law <law@redhat.com>
4098 PR tree-optimization/26854
4099 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4100 checking for zero or one use.
4101 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4102 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4103 * tree-ssa-reassoc.c (negate_value): Similarly.
4104 (reassociate_bb): Similarly.
4106 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4108 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4109 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4110 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4112 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4114 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4115 fp regs if the last fp arg doesn't fit in regs.
4117 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4120 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4121 that the last insn has the REG_INC note.
4123 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4124 Nathan Sidwell <nathan@codesourcery.com>
4127 * stor-layout.c (update_alignment_for_field): Do not align
4129 (place_union_field): Place union field at the start of the union.
4130 (place_field): Move ERROR_MARK check later, and use the current
4131 allocation position to maintain monotonicity.
4133 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4135 * dominance.c: Include timevar.h.
4136 (calculate_dominance_info): Use TV_DOMINANCE.
4137 * timevar.def (TV_DOMINANCE): New timevar.
4138 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4140 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4142 PR rtl-optimization/14261
4143 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4144 move would be an INSV insn.
4145 (noce_process_if_block): Don't optimize if the destination is a
4146 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4148 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4150 * config/s390/s390.md: Add comments with the instructions emitted
4151 by an insn pattern if macros are used.
4153 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4155 PR rtl-optimization/26026
4156 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4157 is a known power of two shifted left a variable amount.
4159 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4161 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4162 to hash table twice when the debug_str section has SECTION_MERGE.
4164 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4166 * config/soft-fp: New directory. From glibc.
4167 * config/soft-fp/t-softfp: New.
4168 * config/soft-fp/README: New.
4169 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4170 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4171 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4172 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4173 * config.gcc: Use rs6000/t-fprules-fpbit or
4174 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4176 * config/rs6000/sfp-machine.h: New. Based on glibc.
4177 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4179 * config/rs6000/t-fprules: Remove fp-bit rules.
4180 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4181 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4182 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4183 (softfp_wrap_start, softfp_wrap_end): New.
4185 2006-04-18 DJ Delorie <dj@redhat.com>
4187 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4189 2006-04-18 Devang Patel <dpatel@apple.com>
4191 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4193 2006-04-18 Nick Clifton <nickc@redhat.com>
4195 * config/sh/t-symbian: Add rule to build sh-c.o
4196 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4197 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4198 (sh_symbian_encode_section_info): Likewise.
4200 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4202 * builtins.c (expand_builtin_strcmp): Cover label definition of
4203 do_libcall with HAVE_cmpstrnsi.
4205 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4207 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4209 * function.h (temp_slot_p): New.
4210 (function): Change the type of x_used_temp_slots to
4211 VEC(temp_slot_p,gc) *.
4213 2006-04-18 Nick Clifton <nickc@redhat.com>
4215 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4216 flag_strength_reduce.
4218 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4220 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4224 Partial revert of revision 112637
4225 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4226 Dale Johannesen <dalej@apple.com>
4229 * regclass.c (struct reg_pref): Update documentation.
4230 (regclass): Set prefclass to NO_REGS if memory is the best option.
4231 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4233 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4235 PR tree-optimization/26821
4236 * tree-ssa-math-opts.c (get_constant_one): New.
4237 (insert_reciprocals): Use it.
4239 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4241 * dwarf2out.c (free_AT): Delete.
4242 (remove_AT): Update string ref counts.
4243 (remove_child_TAG): Don't call free_die.
4245 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4246 or DW_TAG_GNU_EINCL.
4247 (prune_unused_types_walk_attribs): Reset string refcounts.
4248 (prune_unused_types_update_strings): New.
4249 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4250 call free_die. Do call prune_unused_types_update_strings.
4251 (prune_unused_types): Empty debug_str_hash.
4253 2006-04-17 Roger Sayle <roger@eyesopen.com>
4255 * expr.c (expand_assignment): Optimize away no-op moves where the
4256 source and destination are equal and have no side-effects.
4258 2006-04-17 Richard Guenther <rguenther@suse.de>
4261 * reload.c (push_reload): Guard calls to get_secondary_mem
4264 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4266 * alias.c (reg_base_value, old_reg_base_value): Change the
4267 type to VEC(rtx,gc) *.
4268 (REG_BASE_VALUE, find_base_value, record_set,
4269 init_alias_analysis): Use VEC instead of VARRAY.
4271 * alias.c (alias_sets): Change the type to
4272 VEC(alias_set_entry,gc) *.
4273 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4274 VEC instead of VARRAY.
4275 (last_alias_set): Remove.
4277 * cgraph.h (cgraph_edge_p): New.
4278 Update the prototype of cgraph_function_versioning.
4279 * cgraphunit.c (cgraph_copy_node_for_versioning,
4280 cgraph_function_versioning): Use VEC instead of VARRAY.
4281 * ipa-cp.c (ipcp_insert_stage): Likewise.
4283 2006-04-16 Roger Sayle <roger@eyesopen.com>
4286 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4287 "A op B" or "A op C", we may need to convert A to the type of B and C.
4289 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4291 * target.h (struct gcc_target): Add mode_rep_extended.
4292 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4293 (init_num_sign_bit_copies_in_rep): Initialize it using
4295 (truncate_to_mode): Use it.
4296 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4297 * targhooks.h (default_mode_rep_extended): Declare it.
4298 * targhooks.c (default_mode_rep_extended): Define it.
4299 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4300 default_mode_rep_extended.
4301 (TARGET_INITIALIZER): Include it.
4302 * doc/tm.texi (Misc): Document it.
4303 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4304 (mips_truncated_to_mode): New function.
4306 2006-04-16 Roger Sayle <roger@eyesopen.com>
4309 * expr.c (compress_float_constant): Copy the narrow constant into
4310 a new pseudo before extending it to its final width.
4312 2006-04-16 Roger Sayle <roger@eyesopen.com>
4313 Andrew Pinski <pinskia@gcc.gnu.org>
4314 Dale Johannesen <dalej@apple.com>
4317 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4318 special case code to implement V8HImode and V16QImode with SSE2.
4320 2006-04-15 Roger Sayle <roger@eyesopen.com>
4322 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4323 trees are constructed with a suitable tree type.
4325 2006-04-15 Roger Sayle <roger@eyesopen.com>
4327 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4328 (integer_onep): Likewise.
4329 (integer_all_onesp): Likewise.
4330 (integer_pow2p): Likewise.
4331 (integer_nonzerop): Likewise.
4332 (real_zerop): Likewise.
4333 (real_onep): Likewise.
4334 (real_twop): Likewise.
4335 (real_minus_onep): Likewise.
4336 (int_size_in_bytes): Likewise.
4337 (host_integerp): Likewise.
4339 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4341 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4342 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4343 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4345 * tree-ssa-structalias.h (alias_info): Remove num_references.
4347 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4349 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4350 (output_bvb patterns): Likewise.
4351 * pa.c (output_bb): Use 'bb' insn for long branch case.
4352 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4353 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4354 1. Correct length operand for alternatives 1 and 2.
4355 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4356 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4358 2006-04-14 Roger Sayle <roger@eyesopen.com>
4360 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4361 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4362 were accidentally reverted by r112959.
4364 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4367 * except.h (eh_region_outermost): New prototype.
4368 * except.c (eh_region_outermost): New function.
4369 * tree-cfg.c (find_outermost_region_in_block): Use it.
4371 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4373 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4375 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4376 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4377 (init_reload, reload): Use VEC instead of VARRAY.
4378 * reload.h: Update the prototype for
4379 reg_equiv_memory_loc_varray.
4381 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4382 Eric Botcazou <ebotcazou@libertysurf.fr>
4384 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4387 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4390 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4391 to expand fallback builtin function call.
4393 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4396 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4397 and emit libcall here in case the builtin fails.
4398 (expand_builtin_strcmp): Always emit the libcall here on failure.
4400 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4402 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4403 * flow.c (reg_n_info): Change the type to
4404 VEC(reg_info_p,heap) *.
4405 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4407 * regs.h (reg_info_p): New.
4408 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4409 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4410 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4413 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4415 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4417 * params.h (MAX_SCHED_READY_INSNS): New macro.
4418 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4419 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4420 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4421 the ready list for 1 cycle during the first scheduling pass.
4422 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4424 2006-04-13 Richard Henderson <rth@redhat.com>
4427 * gimple-low.c (lower_omp_directive): Remove dead code.
4428 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4429 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4430 * omp-low.c (struct omp_region): Move to tree-flow.h.
4431 (root_omp_region): Export.
4432 (omp_regions, lookup_omp_region): Remove.
4433 (determine_parallel_type): Update for struct omp_region changes.
4434 (dump_omp_region): Dump regions with block numbers.
4435 (new_omp_region): Take type and block instead of stmt; malloc
4437 (free_omp_region_1, free_omp_regions): New.
4438 (expand_parallel_call): Take entry_stmt as argument; update for
4439 changes to omp_region.
4440 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4441 (remove_exit_barriers): New.
4442 (expand_omp_parallel): Update for struct omp_region changes.
4443 (expand_omp_synch): Likewise.
4444 (expand_omp): Likewise.
4445 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4446 (expand_omp_for_static_chunk): Likewise.
4447 (expand_omp_for): Likewise.
4448 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4449 (expand_omp_sections): Similarly, with GOMP_sections_end.
4450 (expand_omp_single): New.
4451 (build_omp_regions_1): Update for OMP_CONTINUE.
4452 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4453 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4454 OMP_SECTIONS_SECTIONS.
4455 (lower_omp_single_simple): Don't emit barrier here.
4456 (lower_omp_single_copy): Likewise.
4457 (lower_omp_single): Fix bindings, and lower to straightline now.
4458 (lower_omp_master, lower_omp_ordered): Likewise.
4459 (lower_omp_critical): Likewise.
4460 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4461 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4462 omp edges, free it afterward.
4463 (make_omp_sections_edges): Remove.
4464 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4465 (move_stmt_r): Handle OMP_CONTINUE.
4466 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4467 statement pointers to basic blocks. Add type member.
4468 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4469 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4470 * tree-inline.c (estimate_num_insns_1): Likewise.
4471 * tree-pretty-print.c (dump_generic_node): Likewise.
4472 * tree-ssa-operands.c (get_expr_operands): Likewise.
4473 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4474 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4475 (OMP_CONTINUE): New.
4476 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4477 (OMP_SECTIONS_SECTIONS): Remove.
4478 (OMP_SECTION_LAST): New.
4479 (OMP_RETURN_NOWAIT): New.
4481 2006-04-13 Roger Sayle <roger@eyesopen.com>
4483 * fold-const.c (native_encode_vector, native_interpret_real):
4484 Correct obvious mistakes in the previous check-in.
4486 2006-04-13 Roger Sayle <roger@eyesopen.com>
4488 * fold-const.c (native_encode_expr): New function to encode
4489 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4490 or VECTOR_CST into a specified buffer.
4491 (native_encode_int): New function.
4492 (native_encode_real): New function.
4493 (native_encode_complex): New function.
4494 (native_encode_vector): New function.
4495 (native_interpret_expr): Inverse of native_encode_expr to convert
4496 a target representation into an INTEGER_CST, REAL_CST etc...
4497 (native_interpret_int): New function.
4498 (native_interpret_real): New function.
4499 (native_interpret_complex): New function.
4500 (native_interpret_vector): New function.
4501 (fold_view_convert_expr): New function to constant fold/evaluate
4502 a VIEW_CONVERT_EXPR of a suitable constant expression.
4503 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4504 Change call of build1 to fold_build1 when constructing a
4507 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4508 Ulrich Weigand <uweigand@de.ibm.com>
4511 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4514 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4517 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4518 optimize to lo_sum for DFmode if !TARGET_FPRS.
4520 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4522 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4523 delete_alias_info, compute_flow_sensitive_aliasing,
4524 group_aliases): Use VEC instead of VARRAY.
4525 * tree-ssa-structalias.c (update_alias_info): Likewise.
4526 * tree-ssa-structalias.h (alias_info): Change the type of
4527 processed_ptrs to VEC(tree,heap) *.
4529 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4532 * config/sh/lib1funcs.h: New file, broken out of:
4533 * config/sh/lib1funcs.asm.
4534 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4536 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4537 * config/sh/lib1funcs-Os-4-200.asm: New file.
4538 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4539 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4540 (EXTRA_MULTILIB_PARTS): Include it.
4541 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4542 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4543 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4544 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4547 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4549 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4550 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4551 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4553 * tree-ssa-live.h: Include vecprim.h.
4554 (tree_partition_associator_d): Change the type of
4555 first_partition to VEC(int,heap) *.
4556 (tpa_first_partition): Use VEC instead of VARRAY.
4558 * Makefile.in (GTFILES): Move functions.h after tree.h.
4559 * function.c (reset_block_changes, record_block_change,
4560 check_block_change, free_block_changes): Use VEC instead of
4562 * function.h (function): Change the type of
4563 ib_boundaries_block to VEC(tree,gc) *.
4564 * tree-inline.c (copy_cfg_body): Initialize
4565 ib_boundaries_block to NULL instead of (varray_type) 0.
4567 2006-04-12 Roger Sayle <roger@eyesopen.com>
4569 * expr.c (emit_group_store): Correct operand order in call to
4570 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4571 a SUBREG_BYTE of zero.
4573 2006-04-12 Richard Guenther <rguenther@suse.de>
4575 * profile.c (compute_branch_probabilities): Remove code
4576 encapsulated in !ir_type (), which are remanents of the
4577 removed RTL profiling code.
4578 * rtl-profile.c: Remove.
4580 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4582 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4583 magic NULL_RTX comment.
4584 (function_arg): Store entire fp arg to mem if any part should go
4586 (rs6000_arg_partial_bytes): Adjust for above change.
4588 2006-04-11 Roger Sayle <roger@eyesopen.com>
4590 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4591 if it hasn't been initialized by dwarf2out_init.
4593 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4595 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4596 symbolic constants in branch patterns.
4598 2006-04-11 Roger Sayle <roger@eyesopen.com>
4600 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4602 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4604 PR rtl-optimization/27073
4605 * gcse.c (try_replace_reg): Revert last change. Continue to search
4606 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4609 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4611 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4612 aggregate types other than record and union types.
4613 (function_arg): Likewise.
4614 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4616 (function_value): In 64-bit mode, return objects that require it
4619 2006-04-11 Roger Sayle <roger@eyesopen.com>
4621 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4623 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4625 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4627 2006-04-03 Jeff Law <law@redhat.com>
4630 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4631 alias information too.
4633 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4635 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4637 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4640 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4641 (premark_used_types_helper): New.
4642 (premark_used_types): New.
4643 (gen_subprogram_die): Call premark_used_types.
4644 (prune_unused_types_walk): Do not prune perennial dies.
4645 * function.c (used_types_insert): New.
4646 * function.h (struct function): Add used_types_hash field.
4647 (used_types_insert): Add prototype.
4648 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4649 * c-parser.c (c_parser_cast_expression): Save casted types in used
4652 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4655 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4656 rs6000_explicit_options.float_gprs.
4658 2006-04-10 Roger Sayle <roger@eyesopen.com>
4660 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4661 from ix86_expand_vector_init_low_nonzero. Take an additional
4662 one_var argument indicating which element is non-zero. Support
4663 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4664 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4665 with one_var instead of ix86_expand_vector_init_low_nonzero.
4667 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4669 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4670 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4671 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4672 build/genextract.o): Depend on vecprim.h.
4673 * cfglayout.c, df-problems.c, function.c, genextract.c,
4674 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4675 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4679 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4681 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4682 Declare VECs of this type.
4683 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4684 (remove_children): Delete.
4685 (add_dwarf_attr): Use VEC routines.
4686 (add_AT_flag): Update for changes to add_dwarf_attr.
4687 (add_AT_int): Likewise.
4688 (add_AT_unsigned): Likewise.
4689 (add_AT_long_long): Likewise.
4690 (add_AT_vec): Likewise.
4691 (add_AT_string): Likewise.
4692 (add_AT_die_ref): Likewise.
4693 (add_AT_fde_ref): Likewise.
4694 (add_AT_loc): Likewise.
4695 (add_AT_loc_list): Likewise.
4696 (add_AT_addr): Likewise.
4697 (add_AT_lbl_id): Likewise.
4698 (add_AT_lineptr): Likewise.
4699 (add_AT_macptr): Likewise.
4700 (add_AT_offset): Likewise.
4701 (add_AT_range_list): Likewise.
4702 (get_AT): Use VEC_iterate.
4703 (remove_AT): Use VEC_ordered_remove.
4704 (free_die): Fold remove_children into here; have it use VEC_iterate.
4705 (print_die): Use VEC_iterate on attrs.
4706 (reverse_die_lists): Don't reverse attr lists.
4707 (die_checksum): Use VEC_iterate on attrs.
4708 (same_die_p): Likewise.
4709 (output_location_lists): Likewise.
4710 (build_abbrev_table): Likewise.
4711 (size_of_die): Likewise.
4712 (unmark_all_dies): Likewise.
4713 (output_abbrev_section): Likewise.
4714 (output_die): Likewise.
4715 (prune_unused_types_walk_attribs): Likewise.
4717 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4719 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4721 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4724 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4726 2006-04-09 Roger Sayle <roger@eyesopen.com>
4728 * expr.c (store_constructor): Don't bother clearing target if
4729 we're about to assign a vector to it using vec_init_optab.
4731 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4733 * tree-ssa-alias.c (lhs_may_store_to): New function.
4734 (recalculate_used_alone): Handle LHS of calls.
4736 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4740 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4741 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4742 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4743 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4744 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4745 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4746 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4747 stubs. Add ".align 8" directives before all ".dword" directives.
4748 (GTHREAD_USE_WEAK): Revise comment.
4749 (TARGET_ATTRIBUTE_WEAK): Define.
4750 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4751 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4752 * stublib.c: New file.
4757 * pa.md (cbranch patterns): Revise arguments used in calls to
4758 output_cbranch, output_bb and output_bvd. Add long branch length
4760 (fbranch patterns): Handle long branches.
4761 (jump): Revise length check. Revise arguments for output_lbranch call.
4762 Add long branch length attributes.
4763 (decrement_and_branch_until_zero): Add long branch length attributes.
4764 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4765 Likewise. Revise arguments for output_parallel_addb and
4766 output_parallel_movb calls.
4767 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4768 output_parallel_movb and output_parallel_addb): Update prototypes.
4769 * pa.c (output_cbranch): Revise arguments. Correct handling of
4770 nullification in long branches.
4771 (output_lbranch): Add new argument to control extraction of delay
4773 (output_bb): Handle long branches.
4774 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4775 output_parallel_addb): Likewise.
4777 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4779 PR rtl-optimization/27073
4780 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4783 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4785 * tree.h (tree_memory_tag): Add old_used_alone.
4786 (SMT_OLD_USED_ALONE): New macro.
4787 * tree-ssa-alias.c (recalculate_used_alone): Stop
4788 marking things for renaming unnecessarily.
4790 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4792 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4793 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4794 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4795 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4796 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4797 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4798 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4799 spelling convensions.
4800 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4801 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4802 typos. Follow spelling conventions.
4804 2006-04-07 DJ Delorie <dj@redhat.com>
4806 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4807 passed on the stack.
4808 (m32c_init_cumulative_args): When a function returns a structure,
4809 always pass the pointer to that return area on the stack.
4810 (m32c_function_arg_advance): Don't increment the parameter number
4811 if we're processing the returned structure pointer.
4812 (pushm_info): Reverse order of registers.
4814 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4816 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4817 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4818 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4819 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4821 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4822 chrec_fold_multiply): Same.
4823 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4824 force_expr_to_var_cost): Same.
4825 * tree-mudflap.c (mf_xform_derefs_1): Same.
4826 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4828 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4830 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4831 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4834 2006-04-07 Jan Hubicka <jh@suse.cz>
4836 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4838 2006-04-07 Richard Guenther <rguenther@suse.de>
4840 PR tree-optimization/26135
4841 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4842 loads for store copy-prop.
4843 (copy_prop_visit_stmt): Likewise.
4845 2006-04-05 Robert Millan <robertmh@gnu.org>
4847 * config/i386/linux.h: Add a comment to mark macros that are
4848 being overriden in config/k*bsd-gnu.h.
4849 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4851 * config/knetbsd-gnu.h: Ditto.
4853 2006-04-06 Jan Hubicka <jh@suse.cz>
4857 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4860 2006-04-06 Mike Stump <mrs@apple.com>
4862 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4863 for HAVE_nonlocal_goto to be consistent.
4864 (expand_builtin_nonlocal_goto): Likewise.
4865 (expand_builtin_strcmp): Use #ifdef instead of #if
4866 for HAVE_cmpstrnsi to be consistent.
4868 2006-04-05 DJ Delorie <dj@redhat.com>
4870 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4873 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4875 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4876 got-relative addressing for anything but SImode.
4878 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4879 even if the calling function doesn't modify them.
4881 2006-04-05 Richard Guenther <rguenther@suse.de>
4883 PR tree-optimization/26919
4884 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4885 to cgraph_estimate_size_after_inlining.
4887 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4889 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4891 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4893 PR tree-optimization/26996
4894 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4895 VECTOR_TYPE variables.
4897 2006-04-05 Richard Guenther <rguenther@suse.de>
4899 PR tree-optimization/26763
4900 * fold-const.c (fold_comparison): Move folding of
4901 PTR + CST CMP PTR + CST ...
4902 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4904 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4906 * doc/install.texi (Prerequisites): Refine some wording on
4907 bootstrapping and ksh.
4908 Move the version numbers of DejaGnu here from the testing section
4909 and fix casing of names.
4910 Fix markup and clarify wording for autogen requirements.
4911 Refer to GCJ instead of just java.
4912 Refer to SVN instead of CVS.
4913 Describe diffutils as useful instead of necessary.
4914 (Downloading the source): Refer to SVN instead of CVS.
4915 Adjust a link to our web site accordingly.
4916 (Configuration): Fix casing of Bison.
4917 (Building): Refer to SVN instead of CVS.
4918 Fix a sentence on the use of Bison and remove duplicate (and
4919 incorrect) version number of Bison requirement.
4920 Remove one redundant list of packages needed for building.
4921 (Specific): Avoid reference to CVS.
4923 2006-04-04 Eric Christopher <echristo@apple.com>
4925 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4926 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4927 (rs6000_handle_struct_attribute): New.
4928 (rs6000_ms_bitfield_layout_p): Ditto.
4930 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4932 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4933 NULL for dso parameter to atexit_common.
4935 2006-04-04 Eric Christopher <echristo@apple.com>
4937 * config/i386/i386.c (machopic_output_stub): Output \t
4938 between instructions and operands.
4940 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4942 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4943 satisfies_constraint_[IL] to explicit tests on value.
4945 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4947 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4948 set_nb_iterations_in_loop): Use build_int_cst instead of
4950 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4951 build_int_cst instead of convert.
4953 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4955 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4956 new value 2 for incoming.
4957 * function.c (expand_function_start): Call struct_value_rtx
4959 * config/sparc/sparc.md: Comment updated_return.
4960 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4961 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4962 struct return if sparc_std_struct_return and incoming is 2.
4963 (print_operand): Do not adjust return if
4964 sparc_std_struct_return.
4966 2006-04-04 Roger Sayle <roger@eyesopen.com>
4968 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4969 convert in the middle-end.
4970 * expr.c (store_expr, store_constructor, get_inner_reference,
4971 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4973 * tree.c (build_range_type): Likewise.
4975 2006-04-04 Tom Tromey <tromey@redhat.com>
4977 * doc/install.texi (Prerequisites): Mention jar.
4979 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4981 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4984 2006-04-04 Matthias Klose <doko@debian.org>
4986 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4987 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4990 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4992 * doc/extend.texi (Function Attributes): Rewrite visibility
4993 attribute documentation.
4994 * doc/invoke.texi (C++ Dialect Options): Rewrite
4995 -fvisibility-inlines-hidden documentation to describe something
4996 entirely different, although in practise compatible.
4997 (Code Gen Options): Warn about system headers in -fvisibility=
5000 * doc/extend.texi (Other Builtins): Document that
5001 __builtin_nan is a compile-time constant only when its argument
5004 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5006 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5007 trying to remove TRUNCATE check if all bits outside the new mode
5008 are identical to the sign bit.
5010 2006-04-03 Jeff Law <law@redhat.com>
5012 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5013 and operand scanning in some common cases.
5015 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5016 Dale Johannesen <dalej@apple.com>
5019 * regclass.c (struct reg_pref): Update documentation.
5020 (regclass): Set prefclass to NO_REGS if memory is the best option.
5021 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5022 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5023 into account. For non-registers, equate an empty preferred
5024 reload class to a `!' in the constraint; move the if clause to
5025 do so after those that reject the insn.
5026 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5028 (find_dummy_reload): Likewise.
5029 * doc/tm.texi (Register Classes): Document what it means
5030 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5031 * config/i386/i386.c (ix86_preferred_reload_class): Force
5032 using SSE registers (and return NO_REGS for floating-point
5033 constants) if math is done with SSE.
5034 (ix86_preferred_output_reload_class): New.
5035 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5036 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5037 * config/i386/i386.md: Remove # register preferences.
5039 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5042 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5043 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5044 the type of nb_iter.
5045 (instantiate_parameters_1): Convert the operands before calling
5046 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5047 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5049 2006-04-02 Roger Sayle <roger@eyesopen.com>
5051 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5052 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5054 * dojump.c (do_jump): Likewise.
5055 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5056 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5057 gimplify_boolean_expr): Likewise.
5058 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5059 * varasm.c (array_size_for_constructor): Likewise.
5060 * tree-object-size.c (compute_object_offset): Likewise.
5062 2006-04-02 Roger Sayle <roger@eyesopen.com>
5065 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5066 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5068 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5070 PR tree-optimization/26939
5071 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5073 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5075 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5076 at_stmt. Convert the type of operands before calling
5077 build_polynomial_chrec.
5078 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5080 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5081 (instantiate_parameters_1): Convert the type of operands before calling
5082 build_polynomial_chrec.
5083 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5084 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5085 reset_evolution_in_loop): Insert asserts to check the types of the
5087 (chrec_type): Moved...
5088 (eq_evolutions_p): Use operand_equal_p.
5089 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5090 the types of the operands.
5091 (chrec_type): ...here.
5092 * tree-data-ref.c (create_data_ref): Convert the operands before
5093 calling chrec_replace_initial_condition.
5094 (same_access_functions, analyze_subscript_affine_affine,
5095 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5096 (compute_subscript_distance, analyze_ziv_subscript,
5097 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5098 analyze_miv_subscript): Convert the operands before calling
5099 chrec_fold_minus or chrec_fold_plus.
5101 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5103 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5104 the dependence_relations vector.
5105 (compute_data_dependences_for_loop): Adjust call to
5106 compute_all_dependences.
5108 2006-04-01 Roger Sayle <roger@eyesopen.com>
5109 Richard Henderson <rth@redhat.com>
5111 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5112 gimple_boolify on the condition before calling gimplify_expr.
5114 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5116 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5117 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5118 the frame size. Update to use the new macros.
5119 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5120 * config/xtensa/ieee754-df.S: Likewise.
5122 2006-03-31 Richard Henderson <rth@redhat.com>
5124 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5125 (make_edges): ... here. Control fallthru creation with a local
5126 variable. Do not play with fake edges.
5127 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5128 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5131 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5133 * dwarf2.h (DW64_CIE_ID): Define.
5134 * dwarf2out.c (DWARF_CIE_ID): Define.
5135 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5136 length header. Use DWARF_CIE_ID.
5137 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5138 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5140 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5142 * config/sh/linux-atomic.asm: New file.
5143 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5145 2006-03-31 DJ Delorie <dj@redhat.com>
5147 * config/m32c/cond.md: Set condition flags properly throughout.
5148 * config/m32c/minmax.md: Likewise.
5149 * config/m32c/prologue.md: Likewise.
5150 * config/m32c/bitops.md: Likewise.
5151 * config/m32c/muldiv.md: Likewise.
5152 * config/m32c/mov.md: Likewise.
5153 * config/m32c/addsub.md: Likewise.
5154 * config/m32c/m32c.md: Likewise.
5155 * config/m32c/jump.md: Likewise.
5156 * config/m32c/shift.md: Likewise.
5158 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5159 conditionally output the pattern for this.
5160 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5161 (m32c_compare_redundant): New.
5162 (m32c_output_compare): New.
5163 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5165 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5166 dest, not src. Allow other 4-byte modes.
5168 2006-03-30 Denis Chertykov <denisc@overta.ru>
5170 * doc/md.texi: Refer to avr/constraints.md instead of
5173 2006-03-30 Roger Sayle <roger@eyesopen.com>
5175 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5176 signed vs. unsigned comparison failures on some hosts.
5178 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5181 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5182 change to FLOAT_REGS.
5184 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5185 (rs6000_override_options): Use it.
5186 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5187 only for -mabi=spe/no-spe and -mabi=altivec.
5189 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5191 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5194 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5196 * Makefile.in: Rename docdir to gcc_docdir.
5198 2006-03-30 Roger Sayle <roger@eyesopen.com>
5201 * expr.c (emit_group_store): Optimize group stores into a pseudo
5202 register by using a paradoxical subreg to initialize the destination
5203 if the first or last member of the group specifies a "low part".
5205 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5208 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5209 * target.h (struct gcc_target.speculate_insn): Change type of the
5210 second parameter to 'int'.
5211 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5212 the second operand of the DEPS_LIST.
5213 (copy_DEPS_LIST_list): Update reference to the second operand of the
5215 * rtl.h (alloc_DEPS_LIST): Update signature.
5216 * sched-int.h (ds_t): Change typedef to 'int'.
5217 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5219 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5221 * haifa-sched.c (try_ready): Change condition to restore
5222 non-speculative pattern of the instruction.
5223 (process_insn_depend_be_in_spec): Code to keep probability of the
5224 speculative dependence non-decreasing.
5226 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5228 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5229 (single_move_for_movmem): ... this. Also change all uses.
5230 (bfin_expand_strmov): Renamed to...
5231 (bfin_expand_movmem): ... this. Also change all uses.
5232 * config/bfin/bfin.md (movstrsi): Renamed to...
5233 (movstrsi): ...this.
5235 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5237 PR tree-optimization/26830
5239 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5240 (copy_prop_visit_stmt): Remove write-only variable ann.
5241 (init_copy_prop): Check variable loop depth here. Do not simulate
5242 memory-tag and virtual operand PHIs except for store copy prop.
5244 2006-03-30 Richard Guenther <rguenther@suse.de>
5246 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5247 variants with double arguments.
5249 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5251 * genpreds.c (write_tm_constrs_h): Delete variable p.
5252 * genconditions.c (write_header): Add tm-constrs.h to included
5254 * genpeep.c (main): Add toplev.h to included headers.
5255 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5256 (build/genpeep.o): Add toplev.h dependency.
5257 * config/rs6000/constraints.md: Add "W" constraint.
5259 2006-03-29 Roger Sayle <roger@eyesopen.com>
5261 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5262 sizes by correctly testing whether the size fits a host integer.
5263 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5264 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5265 SImode range for the default sizetype and bitsizetype.
5267 2006-03-29 Roger Sayle <roger@eyesopen.com>
5269 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5270 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5271 quickly if the argument is already of the correct type.
5272 Call fold_build1 instead of build1. Tidy up blank lines.
5274 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5276 * genemit.c (main): Add tm-constrs.h to included headers.
5277 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5278 * genpeep.c (main): Add tm-constrs.h to included headers.
5279 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5280 (write_tm_constrs_h): this and write complete file.
5281 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5282 (write_insn_preds_c): Add tm-constrs.h to included headers.
5283 (gen_constrs): New variable.
5284 (parse_option): Parse "-c".
5285 (main): Invoke write_tm_constrs_h.
5286 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5287 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5288 (object_out_file): Add tm-constrs.h dependency.
5289 (insn-emit.o): Same.
5290 (insn-output.o): Same.
5291 (insn-peep.o): Same.
5292 (insn-preds.o): Same.
5293 (insn-recog.o): Same.
5294 (tm-constsr.h): New target.
5295 (s-constrs-h): New target.
5297 * config/rs6000/constraints.md: New file.
5298 * config/rs6000/rs6000.c: Include tm-constrs.h.
5299 (num_insn_constant_wide): Convert to satisfies_constraint.
5300 (rs6000_rtx_costs): Convert to satisfies_constraint.
5301 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5302 (CONST_OK_FOR_LETTER_P): Delete.
5303 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5304 (EXTRA_CONSTRAINT): Delete.
5305 (EXTRA_MEMORY_CONSTRAINT): Delete.
5306 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5307 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5308 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5309 satisfies_constraint.
5311 * config/i386/i386.c: Include tm-constrs.h.
5313 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5315 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5316 * tree-data-ref.c (find_data_references_in_loop,
5317 compute_data_dependences_for_loop): Use pointers to VEC.
5318 (analyze_all_data_dependences): Adjust calls.
5319 * tree-data-ref.h (find_data_references_in_loop,
5320 compute_data_dependences_for_loop): Adjust declarations.
5321 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5322 compute_data_dependences_for_loop.
5324 2006-03-29 Paul Brook <paul@codesourcery.com>
5326 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5329 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5331 PR tree-optimization/26859
5332 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5334 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5335 for the step after fold_convert.
5337 2006-03-29 Paul Brook <paul@codesourcery.com>
5339 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5340 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5342 2006-03-29 Paul Brook <paul@codesourcery.com>
5345 * targhooks.c (default_narrow_bitfield): New fuction.
5346 * targhooks.h (default_narrow_bitfield): add prototype.
5347 * target.h (gcc_target): Add narrow_volatile_bitfield.
5348 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5349 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5350 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5351 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5353 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5355 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5357 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5358 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5359 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5360 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5361 (s390_function_arg_float): Allow SDmode and DDmode values to be
5362 passed in floating point registers.
5363 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5364 check with SCALAR_FLOAT_MODE_P.
5365 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5367 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5369 PR tree-optimization/25985
5370 * tree-ssa-loop-niter.c (number_of_iterations_le,
5371 number_of_iterations_ne): Make comments more precise.
5372 (number_of_iterations_cond): Add only_exit argument. Use the
5373 fact that signed variables do not overflow only when only_exit
5375 (loop_only_exit_p): New.
5376 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5377 number_of_iterations_cond.
5379 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5381 PR tree-optimization/26643
5382 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5385 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5387 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5388 (divsi3_i4_int): Likewise.
5390 2006-03-28 Roger Sayle <roger@eyesopen.com>
5392 * expr.c (emit_group_store): Only create a new pseudo reg if the
5393 quantity it needs to hold isn't already a suitable pseudo.
5395 2006-03-28 Jeff Law <law@redhat.com>
5397 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5398 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5400 2006-03-28 Roger Sayle <roger@eyesopen.com>
5402 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5403 the equivalent ~X & Y, and the symmetry related transformations.
5404 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5405 ~X & Y, and symmetry related transforms.
5407 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5409 Revert my 2006-03-27 patches.
5411 2006-03-28 Roger Sayle <roger@eyesopen.com>
5413 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5414 ~(T1)X, when T1 and T2 are integer types of the same precision
5415 and (T2)X isn't an extension.
5417 2006-03-28 Jeff Law <law@redhat.com>
5419 PR tree-optimization/26796
5420 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5421 need EH edge cleanups rather than purging them immediately.
5422 (eliminate_degenerate_phis): Handle queued EH cleanups.
5424 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5426 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5429 2006-03-27 Roger Sayle <roger@eyesopen.com>
5432 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5433 cast BIT_NOT_EXPR operand to the correct type.
5435 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5437 * tree-loop-linear.c: Don't include varray.h.
5438 (gather_interchange_stats, try_interchange_loops,
5439 linear_transform_loops): Use VEC instead of VARRAY.
5440 * lambda-mat.c: Don't include varray.h.
5441 * tree-chrec.c: Same.
5442 * lambda-trans.c: Same.
5443 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5444 VEC instead of VARRAY.
5445 * tree-vectorizer.h: Idem.
5446 * tree-data-ref.c (dump_data_references,
5447 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5448 initialize_data_dependence_relation, finalize_ddr_dependent,
5449 compute_all_dependences, find_data_references_in_loop,
5450 compute_data_dependences_for_loop, analyze_all_data_dependences,
5451 free_dependence_relation, free_dependence_relations,
5452 free_data_refs): Idem.
5453 * tree-data-ref.h (data_reference_p, subscript_p): New.
5454 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5455 VEC instead of VARRAY.
5456 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5457 (find_data_references_in_loop, compute_data_dependences_for_loop,
5458 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5459 dump_data_dependence_relations, free_dependence_relations,
5460 free_data_refs): Adjust declaration.
5461 (lambda_transform_legal_p): Move declaration here...
5462 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5463 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5464 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5465 vect_analyze_data_refs): Use VEC instead of VARRAY.
5466 * lambda.h (lambda_transform_legal_p): ...from here.
5467 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5468 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5469 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5470 tree-chrec.o): Don't depend on VARRAY_H.
5472 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5474 * rtl.def (Copyright): Update date.
5475 (DEPS_LIST): Change type of the second operand to 'int'.
5476 * target.h (Copyright): Update date.
5477 (struct gcc_target.speculate_insn): Change type of the second parameter
5479 * lists.c (Copyright): Update date.
5480 (alloc_DEPS_LIST): Change signature. Update reference to the second
5481 operand of the DEPS_LIST.
5482 (copy_DEPS_LIST_list): Update reference to the second operand of the
5484 * rtl.h (Copyright): Update date.
5485 (alloc_DEPS_LIST): Update signature.
5486 * sched-int.h (Copyright): Update date.
5487 (ds_t): Change typedef to 'int'.
5488 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5490 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5492 * haifa-sched.c (Copyright): Update date.
5493 (try_ready): Change condition to restore non-speculative pattern
5495 (process_insn_depend_be_in_spec): Code to keep probability of the
5496 speculative dependence non-decreasing.
5498 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5500 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5501 shut up the compiler.
5503 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5505 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5506 to use lib prefix for target.
5507 ($(T)libic_invalidate_array_4-200.a): Likewise.
5508 ($(T)libic_invalidate_array_4a.a): Likewise.
5510 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5511 J"orn Rennecke <joern.rennecke@st.com>
5513 * superh.opt: New file.
5514 * sh.c (boardtype, osruntime): Remove.
5515 * superh.h (SUBTARGET_OPTIONS): Remove.
5516 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5518 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5519 arguments with ^ and/or [].
5521 * config.gcc (sh-*-*): Add quoting to account for quirk of
5523 Replace == with = in enable_incomplete_targets test.
5525 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5526 with MASK_LITTLE_ENDIAN.
5528 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5529 * config/sh/sh.opt: Added to some comments.
5530 * config/sh/superh.h: Removed some chaff.
5532 * config/sh/sh.opt: Add m4-[1234]00* options.
5533 * config/sh/sh.c (sh_handle_option): Likewise.
5534 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5535 (ic_invalidate_array_4-100.o): New rule.
5536 ($(T)libic_invalidate_array_4-100.a): Likewise.
5537 (ic_invalidate_array_4-200.o): Likewise.
5538 ($(T)libic_invalidate_array_4-200.a): Likewise.
5539 (ic_invalidate_array_4a.o): Likewise.
5540 ($(T)libic_invalidate_array_4a.a): Likewise.
5541 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5542 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5544 * config/sh/crt1.asm: Merged in profiling code.
5545 * config/sh/superh.h (STARTFILE_SPEC): Override.
5546 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5547 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5548 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5550 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5551 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5552 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5554 * sh.opt (mpretend-cmove): New option.
5555 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5556 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5557 (movsicc): Add TARGET_PRETEND_CMOVE code.
5559 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5561 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5562 s390_class_max_nregs): New function prototypes.
5563 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5564 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5565 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5566 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5568 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5570 * dwarf2out.c (add_location_or_const_value_attribute): Call
5571 tree_add_const_value_attribute if nothing else works.
5572 (reference_to_unused): New.
5573 (rtl_for_decl_init): Use reference_to_unused to decide whether
5574 to output an initializer.
5576 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5579 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5580 peephole removing spe frob_di_df_2.
5582 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5584 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5585 (subscript_dependence_tester_1): Declared.
5586 (print_dir_vectors, print_dist_vectors): New.
5587 (debug_data_dependence_relation): New.
5588 (dump_data_dependence_relation): Print more details.
5589 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5590 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5591 (save_dist_v, save_dir_v, add_outer_distances,
5592 build_classic_dist_vector_1): New.
5593 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5594 Don't test for lambda_vector_lexico_pos.
5595 (same_access_functions, add_multivariate_self_dist,
5596 add_other_self_distances, dir_from_dist): New.
5597 (build_classic_dir_vector): Replace implementation almost identical to
5598 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5600 (subscript_dependence_tester_1): New.
5601 (subscript_dependence_tester): Handle the lexicographically negative
5602 distance vectors by recomputing the dependence relation.
5603 (compute_affine_dependence): Remove parameter loop_nest_depth.
5604 (compute_self_dependence): Don't call compute_subscript_distance.
5605 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5606 Add a parameter for the loop_nest.
5607 (find_loop_nest_1, find_loop_nest): New.
5608 (compute_data_dependences_for_loop): Compute the loop nest, and give
5609 up if the nest is not well formed.
5610 * tree-data-ref.h (loop_p): New.
5611 (struct data_dependence_relation): Replace size_vect field with
5612 loop_nest, a vec of loops.
5613 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5614 (DDR_LOOP_NEST): New.
5615 (print_dir_vectors, print_dist_vectors,
5616 debug_data_dependence_relation): Declared.
5617 (index_in_loop_nest): New.
5618 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5619 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5622 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5624 * simplify-rtx.c (simplify_relational_operation): Call
5625 simplify_relational_operation_1 even if mode is VOIDmode.
5627 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5629 PR tree-optimization/26804
5630 * tree.h (DECL_CALL_CLOBBERED): New macro.
5631 (tree_decl_common): Add call_clobbered_flag.
5632 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5633 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5634 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5635 (mark_non_addressable): Ditto.
5636 * tree-ssa.c (verify_call_clobbered): New function.
5637 (verify_alias_info): Use it.
5638 * tree-pass.h (pass_reset_cc_flags): New prototype.
5639 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5640 (reset_cc_flags): New function.
5641 * passes.c (init_optimization_passes): Call reset_cc_flags after
5642 initializing referenced_vars.
5644 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5645 Roger Sayle <roger@eyesopen.com>
5648 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5649 to 1.0 for non-real operands. Implement A / A optimization for
5652 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5654 * config/i386/i386.c (size_cost): Correct the comment for
5655 cost of storing fp registers.
5656 (i386_cost): Likewise.
5657 (i486_cost): Likewise.
5658 (pentium_cost): Likewise.
5659 (pentiumpro_cost): Likewise.
5660 (k6_cost): Likewise.
5661 (athlon_cost): Likewise.
5662 (k8_cost): Likewise.
5663 (pentium4_cost): Likewise.
5664 (nocona_cost): Likewise.
5665 (generic64_cost): Likewise.
5666 (generic32_cost): Likewise.
5668 2006-03-24 Denis Chertykov <denisc@overta.ru>
5670 * config/avr/avr-protos.h (extra_constraint): Delete.
5671 (extra_constraint_Q): New declaration.
5672 * config/avr/constraints.md: New file.
5673 * config/avr/avr.md: Include it.
5674 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5675 (TMP_REGNO, ZERO_REGNO): Likewise.
5676 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5677 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5678 (extra_constraint): Delete.
5679 (extra_constraint_Q): Test for memory constraint 'Q'.
5680 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5681 (REG_CLASS_FROM_LETTER): Delete.
5682 (CONST_OK_FOR_LETTER_P): Delete.
5683 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5684 (EXTRA_CONSTRAINT): Delete.
5685 (TMP_REGNO): Delete.
5686 (ZERO_REGNO): Delete.
5688 2006-03-24 Jeff Law <law@redhat.com>
5690 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5691 directly. Call mark_new_vars_to_rename slightly earlier.
5693 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5695 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5697 (gen_compile_unit_die): Use new language types for Objective-C and
5699 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5700 DW_LANG_C_plus_plus.
5703 * config/t-darwin (crt3.o): Work around bug 26840.
5704 * config/darwin-crt3.c: Rewrite.
5705 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5707 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5709 * doc/invoke.texi: Document -femit-class-debug-always
5710 * common.opt: Add -femit-class-debug-always.
5712 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5714 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5715 index and base register.
5716 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5717 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5718 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5719 REGNO_OK_FOR_INDEX_P.
5720 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5722 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5723 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5724 REG_OK_FOR_BASE_P): Definitions removed.
5726 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5729 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5730 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5731 set yet or weren't marked as local yet.
5733 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5735 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5738 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5740 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5741 (rs6000_legitimate_small_data_p): Delete.
5742 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5743 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5744 and make static. Add forward declaration. Update uses.
5745 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5746 of offsettable_memref_p.
5747 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5748 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5750 2006-03-24 Jeff Law <law@redhat.com>
5752 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5753 around bug in immediate-use iterator.
5755 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5758 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5759 or __LITTLE_ENDIAN__.
5761 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5763 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5764 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5765 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5766 * config/sh/sh.opt (mdiv=): Amend description.
5767 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5768 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5769 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5770 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5771 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5772 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5773 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5774 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5775 TARGET_DIVIDE_CALL_FP.
5777 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5779 * haifa-sched.c (choose_ready): Fix type of the local variable.
5780 Move local variables. Add comment.
5781 (check_reg_live): Change signature. Make callable from debugger.
5782 * sched-int.h (check_reg_live): Update signature.
5783 * sched-ebb.c (check_reg_live): Update parameters.
5784 * sched-rgn.c (check_reg_live): Ditto.
5785 (region_head_or_leaf_p): Check pointer before dereferencing.
5786 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5787 before reload on optimization levels below 1.
5789 2006-03-23 Richard Henderson <rth@redhat.com>
5791 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5795 * config/alpha/predicates.md (local_symbolic_operand): Reject
5798 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5801 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5802 expressions which have overflowed constants.
5804 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5806 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5808 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5810 * cfgloopmanip.c (create_loop_notes): Removed.
5811 * final.c (final_scan_insn): Do not handle loop notes.
5812 * jump.c (squeeze_notes): Ditto.
5813 * cfglayout.c (skip_insns_after_block,
5814 duplicate_insn_chain): Ditto.
5815 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5817 * cfgloop.h (create_loop_notes): Declaration removed.
5819 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5821 * varasm.c (output_constant_pool): Restore fnname and fndecl
5823 (assemble_start_function): Adjust call accordingly.
5824 (assemble_end_function): Likewise.
5826 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5829 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5832 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5834 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5837 * system.h (ICE_EXIT_CODE): New macro.
5838 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5839 (diagnostic_action_after_output): Likewise.
5840 * gcc.c (fatal_ice): New function.
5841 (execute): Use it instead of fatal.
5842 (fancy_abort): Likewise.
5843 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5845 2006-03-22 Jeff Law <law@redhat.com>
5847 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5848 iv_analyze_result returning false.
5850 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5852 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5854 2006-03-22 Richard Henderson <rth@redhat.com>
5857 * except.c (duplicate_eh_regions_0): New.
5858 (duplicate_eh_region_1): Duplicate the children of the node as
5859 well as the node itself. Link them up properly.
5860 (duplicate_eh_region_2): Merge into ...
5861 (duplicate_eh_regions): ... here. Take copy_region argument, and
5862 copy only a sub-tree if asked. Simplify copying and fixup.
5863 (eh_region_outer_p): New.
5864 * except.h (duplicate_eh_regions): Update decl.
5865 (eh_region_outer_p): Declare.
5866 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5867 (lower_omp_master): Likewise.
5868 (lower_omp_ordered): Likewise.
5869 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5870 (move_stmt_r): Use it to remap labels. Handle recursion vs
5871 remap_decls_p properly.
5872 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5873 (find_outermost_region_in_block): New.
5874 (new_label_mapper): New.
5875 (move_sese_region_to_fn): Copy eh information to the new function
5877 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5879 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5882 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5884 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5885 into shared libraries.
5887 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5889 * doc/md.texi: Refer to i386/constraints.md instead of
5891 * config/i386/constraints.md: New file, extracted from...
5892 * config/i386/predicates.md: ...here.
5893 * config/i386/i386.md: Include constraints.md.
5895 2006-03-21 Jason Merrill <jason@redhat.com>
5897 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5900 * expr.c (init_block_move_fn): Force default visibility.
5901 (init_block_clear_fn): Likewise.
5902 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5903 * targhooks.c (default_external_stack_protect_fail): Likewise.
5905 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5907 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5908 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5909 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5910 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5911 (loadgp): Use mips_current_loadgp_style.
5912 (loadgp_noshared): New pattern.
5913 (sibcall_internal): Use MIPS_CALL.
5914 (sibcall_value_internal): Likewise.
5915 (sibcall_value_multiple_internal): Likewise.
5916 (call_internal): Likewise.
5917 (call_value_internal): Likewise.
5918 (call_value_multiple_internal): Likewise.
5919 (call_split): Use MIPS_CALL and add an 'S' constraint.
5920 (call_value_split): Likewise.
5921 (call_value_multiple_split): Likewise.
5922 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5923 (-mshared): New option.
5924 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5925 (mips_current_loadgp_style): Declare.
5926 * config/mips/mips.c (mips_classify_symbol): Avoid using
5927 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5928 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5929 TARGET_ABSOLUTE_ABICALLS.
5930 (override_options): Adjust comments. Improve the warning that is
5931 issued when -mabicalls and -G are used together.
5932 (mips_file_start): Remove comment.
5933 (mips_current_loadgp_style): New function.
5934 (mips_gnu_local_gp): New variable.
5935 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5937 (mips_output_function_prologue): Use mips_current_laodgp_style.
5938 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5939 the cprestore instruction.
5940 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5941 live for TARGET_ABSOLUTE_ABICALLS.
5942 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5943 (ASM_SPEC): Pass down -mshared and -mno-shared.
5944 (MIPS_CALL): New macro.
5945 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5947 * doc/invoke.texi (-mabicalls): Update documentation.
5948 (-mshared): Document.
5950 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5952 * config/ia64/unwind-hpux.c: New file.
5953 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5955 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5958 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5960 2006-03-21 Jeff Law <law@redhat.com>
5962 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5963 type conversions of a VR_VARYING source to a wider type.
5965 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5967 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5968 tm_file on Solaris 10 and later.
5969 (sparc64-*-solaris2*): Likewise.
5970 (sparc-*-solaris2*): Likewise.
5971 * config/sol26.h: Rename to config/sol2-6.h.
5972 * config/sol2-10.h: New file.
5974 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5977 * tree-ssa-pre.c (create_component_ref_by_pieces):
5980 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5983 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5984 return it immediately.
5986 2006-03-21 Michael Matz <matz@suse.de>
5988 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5990 (remove_arc, add_arc): Update num_out_arcs member.
5991 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5993 (cache_presence): New function.
5994 (compare_states_for_equiv): New function.
5995 (state_is_differed): Don't take number of outargs, adjust callers.
5996 Use new invariant for speeding up.
5997 (init_equiv_class): Create initial classes based on sorted
5999 (partition_equiv_class): Don't track out_arcs_num.
6000 (evaluate_equiv_classes): Call cache_presence on all states and
6003 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6005 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6006 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6007 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6008 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6010 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6011 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6012 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6013 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6014 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6016 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6017 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6018 (REGNO_REG_CLASS): ARGP is in PREGS.
6019 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6021 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6022 to deal with those addresses.
6023 * addresses.h: New file.
6024 * caller-save.c: Include "addresses.h".
6025 (init_caller_save): Use new base_reg_class function.
6026 * rtl-factoring.c: Include "addresses.h".
6027 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6028 * recog.c: Include "addresses.h".
6029 (preprocess_constraints): Use new base_reg_class function.
6030 * regrename.c: Include "addresses.h".
6031 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6032 functions. Keep track of a new var INDEX_CODE to compute valid
6034 (replace_oldest_value_addr): Likewise.
6035 (replace_oldest_value_mem): Use base_reg_class.
6036 * reload.c: Include "addresses.h".
6037 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6038 (find_reloads): Use new base_reg_class function.
6039 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6040 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6041 all callers and prototype changed.
6042 * reload1.c: Include "addresses.h".
6043 (maybe_fix_stack_asms): Use base_reg_class.
6044 * regclass.c: Include "addresses.h".
6045 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6046 (init_reg_autoinc): Use new base_reg_class function.
6047 (record_reg_classes): Likewise.
6048 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6049 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6050 Use new args to compute necessary class.
6052 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6053 regrename.o, rtl-factoring.o): Update dependencies.
6054 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6055 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6056 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6057 REG_OK_FOR_INDEX_P): Delete documentation.
6059 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6061 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6062 from V7 to V9 for Solaris 7 and above.
6064 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6066 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6067 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6068 argument pointers may not alias any other storage.
6069 * common.opt: Define option -fargument-noalias-anything.
6070 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6071 alias semantics is specified by flag_argument_noalias > 2.
6073 2006-03-20 Jeff Law <law@redhat.com>
6075 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6076 (pass_phi_only_cprop): Declare.
6077 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6079 * tree-ssa-dom.c (degenerate_phi_result): New function.
6080 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6081 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6082 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6083 (eliminate_degenerate_phis): Likewise.
6084 (pass_phi_only_cprop): New pass descriptor.
6085 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6086 support code. Callers updated.
6087 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6088 (store_copy_prop): Likewise.
6089 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6091 2006-03-20 Jason Merrill <jason@redhat.com>
6094 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6095 (push_visibility, pop_visibility): Likewise.
6096 * c-pragma.h: Declare them.
6098 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6100 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6102 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6103 parameter and use get_ebb_head_tail.
6104 (sh_md_init_global): Adjust uses of find_regmode_weight.
6106 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6108 * function.h (struct function) <x_tail_recursion_reentry>:
6109 Rename to x_stack_check_probe_note.
6110 (tail_recursion_reentry): Rename to stack_check_probe_note.
6111 * function.c: Replace tail_recursion_reentry with
6112 stack_check_probe_note everywhere.
6113 (expand_function_start): Only emit a note for
6114 stack_check_probe_note with -fstack-protect.
6115 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6117 * emit-rtl.c (remove_unnecessary_notes): Remove.
6118 (pass_remove_unnecessary_notes): Remove.
6119 * rtl.h (remove_unnecessary_notes): Remove prototype.
6120 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6121 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6122 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6124 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6127 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6128 (valid_in_set): Handle ARRAY_REF.
6129 Change "if min_variant or VH" to asserts.
6130 (create_component_ref_by_pieces): Handle ARRAY_REF.
6131 (create_expression_by_pieces): Likewise.
6132 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6134 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6136 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6137 is operand of switch, not str[0].
6139 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6141 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6142 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6144 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6146 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6147 end of insn_extra_address_constraint declaration.
6149 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6151 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6152 (no-sum-in-toc): Same.
6153 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6155 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6156 NO_FP_IN_TOC for -fPIC instead of mask.
6158 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6159 (BOOT_LDFLAGS): Delete.
6161 * config/rs6000/t-aix52: Same.
6163 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6164 (stmsi[345678]_power): New.
6166 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6168 * config/ia64/ia64.opt: Add empty line to end of file.
6170 2006-03-17 Richard Guenther <rguenther@suse.de>
6173 * builtins.c (get_pointer_alignment): For component style references
6174 adjust alignment to the component type alignment. Make sure
6175 to adjust alignment for component access of constants.
6177 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6179 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6182 2006-03-17 Paul Brook <paul@codesourcery.com>
6184 * doc/install.texi: Docuemnt --with-mode.
6185 * config.gcc: Add --with-mode for arm*-*-*.
6186 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6188 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6190 * sh.c (max_labelno_before_reorg): New variable.
6191 (sh_reorg): Initialize it.
6192 (find_barrier): Check max_labelno_before_reorg before using
6193 label_to_alignment. Take length of explicit alignment insns
6194 into account. When seeing a UNSPECV_CONST_END, return it.
6196 * sh.c (fixup_mova): Set mode of affected label to QImode.
6197 (untangle_mova): New function.
6198 (find_barrier): Use it. Check mode of label before decrementing
6200 (sh_reorg): Likewise.
6201 Set mode of all insns back to VOIDmode.
6203 * sh.c (MOVA_LABELREF): New macro.
6204 (mova_p, fixup_mova, sh_reorg): Use it.
6205 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6206 ADDR_DIFF_VEC matches mova.
6208 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6210 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6211 with ATTRIBUTE_UNUSED.
6213 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6215 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6216 pointer, instead of assuming it is possible to derive the
6217 correct args size from a call insn.
6219 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6221 * rtl.h (CONST_INT_P): Define.
6222 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6223 instead of GET_CODE(x) == CONST_INT.
6224 (vax_rtx_costs): Likewise.
6225 (vax_output_int_move): Likewise.
6226 (vax_output_int_add): Likewise.
6227 (legitimate_constant_address_p): Likewise.
6228 (index_term_p): Likewise.
6229 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6230 * config/vax/vax.md (and<mode>3): Likewise.
6231 (ashrsi3): Likewise.
6233 (movstricthi): Likewise.
6234 (movstrictqi): Likewise.
6235 (rotrsi3): Likewise.
6236 (five unnamed insns): Likewise.
6238 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6240 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6241 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6242 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6243 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6244 Pass to ASM_OUTPUT_DWARF_OFFSET.
6245 * dwarf2out.c (debug_frame_section): New.
6246 (output_call_frame_info): Use debug_frame_section. Pass it to
6247 dw2_asm_output_offset.
6248 (output_die): Pass appropriate section to dw2_asm_output_offset.
6249 (output_compilation_unit_header): Likewise.
6250 (output_pubnames): Likewise.
6251 (output_aranges): Likewise.
6252 (enum dw_val_class): Break dw_val_class_lbl_offset into
6253 dw_val_class_lineptr and dw_val_class_macptr.
6254 (add_AT_lbl_offset): Delete.
6255 (add_AT_lineptr): New.
6256 (add_AT_macptr): New.
6257 (AT_lbl): Expect a lineptr or macptr.
6258 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6259 (attr_checksum): Likewise.
6260 (same_dw_val_p): Likewise.
6261 (size_of_die): Likewise.
6262 (value_format): Likewise.
6263 (output_die): Likewise.
6264 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6266 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6267 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6268 * config/darwin-protos.h (darwin_file_start): New.
6269 (darwin_asm_output_dwarf_offset): New.
6270 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6271 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6273 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6274 if not EH section; simplify.
6275 (darwin_file_start): New.
6276 (darwin_asm_output_dwarf_offset): New.
6277 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6279 (DEBUG_INFO_SECTION): Likewise.
6280 (DEBUG_ABBREV_SECTION): Likewise.
6281 (DEBUG_ARANGES_SECTION): Likewise.
6282 (DEBUG_MACINFO_SECTION): Likewise.
6283 (DEBUG_LINE_SECTION): Likewise.
6284 (DEBUG_LOC_SECTION): Likewise.
6285 (DEBUG_PUBNAMES_SECTION): Likewise.
6286 (DEBUG_STR_SECTION): Likewise.
6287 (DEBUG_RANGES_SECTION): Likewise.
6288 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6289 (ASM_OUTPUT_DWARF_OFFSET): New.
6291 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6293 * config.gcc (tm_defines): Always add to previous value rather
6296 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6298 * config/mips/predicates.md (splittable_const_int_operand): New,
6299 split from move_operand.
6300 (splittable_symbolic_operand): New.
6301 (move_operand): Add commentary. Use splittable_const_int_operand.
6302 Inline mips_atomic_symbolic_constant_p.
6303 * config/mips/mips.md: Add combine splitters for handling moves
6304 of splittable_const_int_operands and splittable_symbolic_operands.
6305 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6306 (mips_split_symbol): Declare.
6307 (mips_move_integer): Declare.
6308 * config/mips/mips.c (mips_split_p): Make global.
6309 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6310 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6311 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6312 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6313 (mips_offset_within_object_p): Handle block symbols.
6314 (mips_atomic_symbolic_constant_p): Delete.
6315 (mips_cannot_force_const_mem): Return false for constants that
6316 mips_legitimize_move can handle.
6317 (mips_use_blocks_for_constant_p): New function.
6318 (mips_split_symbol): Make global.
6319 (mips_move_integer): Likewise. Add a temporary register argument.
6320 (mips_legitimize_const_move): Use splittable_const_int_operand and
6321 splittable_symbolic_operand.
6322 (mips_use_anchors_for_symbol_p): New function.
6323 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6324 (mips_split_p): Declare.
6326 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6328 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6329 (mips*-*-linux*): Likewise.
6331 2006-03-16 Roger Sayle <roger@eyesopen.com>
6332 Daniel Speyer <dspeyer@wam.umd.edu>
6335 * tree-dump.c (dump_real): New function.
6336 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6337 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6338 (tree-dump.o): Add $(REAL_H) to the dependencies.
6340 2006-03-16 Roger Sayle <roger@eyesopen.com>
6343 * real.c (real_from_string): If the mantissa is zero, don't bother
6344 parsing the exponent as the result should always be zero.
6346 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6348 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6350 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6352 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6353 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6354 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6355 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6356 ia64_sched_finish_global): New static functions to implement
6357 hooks from gcc_target.sched.
6358 (spec_check_no, max_uid, pending_data_specs): New static variables.
6359 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6360 ia64_spec_check_src_p): New static functions.
6361 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6362 (TARGET_SCHED_ADJUST_COST): Removed.
6363 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6364 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6365 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6366 TARGET_SCHED_GEN_CHECK,
6367 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6368 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6369 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6370 Fixed to handle speculation checks.
6371 (rtx_needs_barrier): Fixed to handle speculative loads and
6373 (ia64_variable_issue): Added code to count speculative loads and their
6375 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6377 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6379 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6381 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6382 (ia64_reorg): Reset stops_p to NULL after it is freed.
6383 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6384 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6385 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6387 (data_speculative, control_speculative, check_load): New attributes.
6388 (mov<mode>_advanced, mov<mode>_speculative,
6389 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6390 zero_extend<mode>di2_speculative,
6391 zero_extend<mode>di2_speculative_advanced): New patterns for
6392 data and control speculative loads.
6393 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6395 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6396 New pattern for data and control speculation checks.
6397 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6398 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6399 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6400 Auxiliary definitions for the patterns.
6401 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6402 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6404 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6406 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6407 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6408 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6409 New resource constraints.
6410 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6412 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6413 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6414 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6415 msched-in-control-spec, msched-ldc, msched-control-ldc,
6416 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6417 msched-prefer-non-control-spec-insns,
6418 msched-count-spec-in-critical-path): New flags to tune speculative
6420 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6421 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6422 msched-in-control-spec, msched-ldc, msched-control-ldc,
6423 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6424 msched-prefer-non-control-spec-insns,
6425 msched-count-spec-in-critical-path): Document new flags.
6427 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6429 * target.h (struct spec_info_def): New opaque declaration.
6430 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6431 speculate_insn, needs_block_p, gen_check,
6432 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6433 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6434 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6435 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6436 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6437 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6439 (TARGET_SCHED): Use new macros.
6440 * rtl.h (copy_DEPS_LIST_list): New prototype.
6441 * sched-int.h (struct sched_info): Change signature of new_ready field,
6442 adjust all initializations. New fields: add_remove_insn,
6443 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6444 region_head_or_leaf_p.
6445 (struct spec_info_def): New structure declaration.
6446 (spec_info_t): New typedef.
6447 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6448 recovery_block, orig_pat.
6449 (glat_start, glat_end): New variables declaraions.
6450 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6452 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6453 DETACH_LIFE_INFO, USE_GLAT.
6454 (enum SPEC_SCHED_FLAGS): New enumeration.
6455 (NOTE_NOTE_BB_P): New macro.
6456 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6457 attach_life_info, debug_spec_status, check_reg_live): New functions.
6458 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6459 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6461 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6462 * ddg.c (get_block_head_tail): Adjust all uses.
6463 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6464 (sms_sched_info): Initialize new fields.
6465 (contributes_to_priority): Removed.
6466 * haifa-sched.c (params.h): New include.
6467 (get_block_head_tail): Adjust all uses.
6468 (ISSUE_POINTS): New macro.
6469 (glat_start, glat_end): New global variables.
6470 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6471 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6472 old_last_basic_block, before_recovery, current_sched_info_var,
6473 rgn_n_insns, luid): New static variables.
6474 (insn_cost1): New function. Move logic from insn_cost to here.
6475 (find_insn_reg_weight1): New function. Move logic from
6476 find_insn_reg_weight to here.
6477 (reemit_notes, move_insn, max_issue): Change signature.
6478 (move_insn1): Removed.
6479 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6480 extend_bb): New static functions to support extension of scheduler's
6482 (generate_recovery_code, process_insn_depend_be_in_spec,
6483 begin_speculative_block, add_to_speculative_block,
6484 init_before_recovery, create_recovery_block, create_check_block_twin,
6485 fix_recovery_deps): New static functions to support
6486 generation of recovery code.
6487 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6488 restore_bb_notes, move_block_after_check, move_succs): New static
6489 functions to support ebb scheduling.
6490 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6491 functions to support handling of register live information.
6492 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6493 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6494 add_jump_dependencies): New static functions.
6495 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6496 consistancy checking.
6497 (debug_spec_status): New function to call from debugger.
6498 (priority): Added code to handle speculation checks.
6499 (rank_for_schedule): Added code to distinguish speculative instructions.
6500 (schedule_insn): Added code to handle speculation checks.
6501 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6502 Fixed to handle ebbs.
6503 (move_insn): Added code to handle ebb scheduling.
6504 (max_issue): Added code to use ISSUE_POINTS of instructions.
6505 (choose_ready): Added code to choose between speculative and
6506 non-speculative instructions.
6507 (schedule_block): Added code to handle ebb scheduling and scheduling of
6508 speculative instructions.
6509 (sched_init): Initialize new variables.
6510 (sched_finish): Free new variables. Print statistics.
6511 (try_ready): Added code to handle speculative instructions.
6512 * lists.c (copy_DEPS_LIST_list): New function.
6513 * sched-deps.c (extend_dependency_caches): New function. Move logic
6514 from create_dependency_caches to here.
6515 (get_dep_weak, ds_merge): Make global.
6516 * genattr.c (main): Code to output prototype for
6517 dfa_clear_single_insn_cache.
6518 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6519 (output_dfa_clean_insn_cache_func): Code to output
6520 dfa_clear_single_insn_cache function.
6521 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6523 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6525 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6526 New static variables.
6527 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6528 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6530 (ebb_sched_info): Initialize new fields.
6531 (get_block_head_tail): Adjust all uses.
6532 (compute_jump_reg_dependencies): Fixed to use glat_start.
6533 (schedule_ebb): Code to remove unreachable last block.
6534 (schedule_ebbs): Added code to update register live information.
6535 * sched-rgn.c (region_sched_info): Initialize new fields.
6536 (get_block_head_tail): Adjust all uses.
6537 (last_was_jump): Removed. Adjust users.
6538 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6539 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6540 Implement new hooks.
6541 (check_dead_notes1): New static function.
6542 (struct region): New fields: dont_calc_deps, has_real_ebb.
6543 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6544 (BB_TO_BLOCK): Fixed to handle EBBs.
6545 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6546 (ebb_head): New static variable.
6547 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6548 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6550 (compute_dom_prob_ps): New assertion.
6551 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6552 global_live_at_start.
6553 (init_ready_list): New assertions.
6554 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6555 (new_ready): Add support for BEGIN_CONTROL speculation.
6556 (schedule_insns): Fixed code that updates register live information
6558 (schedule_region): Fixed to handle EBBs.
6559 (init_regions): Use extend_regions and check_dead_notes1.
6560 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6561 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6562 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6563 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6564 TARGET_SCHED_GEN_CHECK,
6565 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6566 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6567 * doc/invoke.texi (max-sched-insn-conflict-delay,
6568 sched-spec-prob-cutoff): Document.
6570 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6572 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6573 inter_tick, queue_index.
6574 (struct sched_info): Change signature of init_ready_list field.
6575 Adjust all initializations.
6576 (RESOLVED_DEPS): New access macro.
6577 (ready_add): Remove prototype.
6578 (try_ready): Add prototype.
6579 * sched-rgn.c (init_ready_list): Use try_ready.
6580 (schedule_region): Initialize
6581 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6582 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6583 (init_ready_list): Use try_ready.
6584 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6585 * lists.c (remove_list_elem): Remove `static'.
6586 (remove_free_INSN_LIST_elem): New function.
6587 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6588 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6589 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6591 (readyp): New variable.
6592 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6593 change_queue_index, resolve_dep): New static functions.
6594 (try_ready): New function. Adjust callers in sched-rgn.c and
6595 sched-ebb.c to use it instead of ready_add.
6596 (clock_var): Move at the begining of file.
6597 (rank_for_schedule): Fix typo.
6598 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6599 (ready_lastpos): Enforce assertion.
6600 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6602 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6603 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6604 (queue_to_ready): Use free_INSN_LIST_list.
6605 (early_queue_to_ready): Fix typo.
6606 (schedule_block): Init readyp. Move init_ready_list call after the
6607 initialization of clock_var. Fix error in rejecting insn by
6608 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6609 that previously corrected INSN_TICKs. Add code for handling
6611 (set_priorities): Fix typo.
6612 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6613 Clarify comment and code that keeps current_sched_info->next_tail
6616 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6618 * sched-rgn.c (extend_rgns): New static function.
6619 (find_rgns): Use it.
6620 (gather_region_statistics, print_region_statistics): New static
6622 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6623 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6625 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6626 Andrey Belevantsev <abel@ispras.ru>
6628 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6629 * lists.c (unused_deps_list): New variable.
6630 (free_list): Add assertions to verify the proper distinguishing
6631 between INSN_LISTs and DEPS_LISTs.
6632 (find_list_elem, remove_list_elem, remove_list_node): New static
6634 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6635 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6636 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6637 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6639 (free_INSN_LIST_node): Likewise.
6640 * modulo-sched.c (current_sched_info): Initialize flags field.
6641 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6642 * rtl.def (DEPS_LIST): Define.
6643 * rtl.h: Declare new functions from lists.c.
6644 * sched-deps.c (spec_dependency_cache): New static variable.
6645 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6646 (add_dependence): Change return type to void. Move the logic to ...
6647 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6648 (delete_all_dependences): Add comment about forward_dependency_cache.
6649 Handle spec_dependency_cache. Handle DEPS_LISTs.
6650 (fixup_sched_groups): Clarify the change of priority of output
6651 and anti dependencies.
6652 (sched_analyze_2): Adjust add_dependence calls to create data
6653 speculative dependence.
6654 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6655 Adjust all callers. Handle DEPS_LISTS.
6656 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6657 presence of speculation.
6658 (init_dependency_caches, free_dependency_caches):
6659 Handle spec_dependency_cache.
6660 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6661 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6662 New static functions.
6663 (add_or_update_back_dep, add_or_update_back_forw_dep,
6664 add_back_forw_dep, delete_back_forw_dep): New functions.
6665 * sched-int.h (ds_t, dw_t): New typedefs.
6666 (struct sched_info): Add new field flags.
6667 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6668 Prototype new sched-deps.c functions.
6669 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6670 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6671 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6672 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6673 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6674 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6676 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6678 * sched-rgn.c (current_sched_info): Initialize flags field.
6679 (schedule_insns): Initialize current_sched_info before the sched_init
6681 * sched-ebb.c (current_sched_info): Initialize flags field.
6682 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6683 Call add_or_update_back_dep instead of add_dependence.
6684 Create control speculative dependencies.
6685 (schedule_insns): Initialize current_sched_info before the sched_init
6688 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6690 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6692 (sh_fallback_frame_state): Likewise.
6694 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6696 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6697 Do switch on default_use_cxa_atexit.
6698 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6699 * config/darwin-crt3.o: New.
6700 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6701 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6702 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6704 * config/rs6000/t-darwin: Move crt2.o building to here.
6705 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6706 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6709 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6711 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6712 from '! xxx' to '!xxx' for coding-style conformance.
6713 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6714 (EXTRA_CONSTRAINT): Likewise.
6715 * config/vax/vax.md (four unnamed insns): Likewise.
6717 2006-03-15 Paul Brook <paul@codesourcery.com>
6719 * config/arm/arm.c (minipool_pad): New.
6720 (add_minipool_forward_ref): Include pool alignment padding in address
6722 (push_minipool_fix): Set minipool_pad.
6723 (minipool_pad): Ditto.
6725 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6727 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6728 instead of GET_CODE() == MEM and REG_P() instead of
6730 (print_operand_address): Likewise.
6731 (vax_address_cost): Likewise.
6732 (vax_rtx_costs): Likewise.
6733 (vax_notice_update_cc): Likewise.
6734 (vax_output_int_add): Likewise.
6735 (INDEX_REGISTER_P): Likewise.
6736 (BASE_REGISTER_P): Likewise.
6737 (nonindexed_address_p): Likewise.
6738 (vax_mode_dependent_address_p): Likewise.
6739 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6740 (PRINT_OPERAND): Likewise.
6741 * config/vax/vax.md (ashlsi3): Likewise.
6742 (ashlsi3): Likewise.
6743 (some more unnamed insns): Likewise.
6745 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6747 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6748 iterator-style macro.
6749 (mark_control_dependent_edges_necessary): Update the use of
6750 EXECUTE_IF_CONTROL_DEPENDENT.
6752 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6754 * config/sh/predicates.md (cache_address_operand): Special.
6755 (ua_address_operand): Likewise.
6757 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6759 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6761 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6763 2006-03-15 Andreas Schwab <schwab@suse.de>
6765 * gensupport.c (identify_predicable_attribute): Don't free p_false
6766 when it is still in use.
6768 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6770 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6771 the default setting here.
6773 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6775 * tree-pass.h (pass_cfg): Remove.
6776 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6777 * passes.c (pass_cfg): Don't run it.
6779 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6781 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6782 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6784 (stack_regs_mentioned): Update the uses of
6785 stack_regs_mentioned_data. Don't access the array beyond its
6787 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6788 Don't include gt-reg-stack.h.
6790 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6791 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6793 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6796 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6799 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6801 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6803 2006-03-14 Richard Guenther <rguenther@suse.de>
6805 PR tree-optimization/26672
6806 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6809 2006-03-14 Richard Guenther <rguenther@suse.de>
6811 PR tree-optimization/26667
6812 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6813 node for the callees. Always allow inlining if it will shrink
6816 2006-03-14 Richard Guenther <rguenther@suse.de>
6819 * builtins.c (get_pointer_alignment): Prefer alignment
6820 information from decls over that from types.
6822 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6825 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6827 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6829 * config/rs6000/rs6000.opt (mdlmzb): New option.
6830 (msched-prolog, msched-epilog): Use Var not Mask.
6831 * doc/invoke.texi (-mdlmzb): Document.
6832 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6834 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6835 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6837 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6839 PR rtl-optimization/25739
6840 * bt-load.c (augment_live_range): Free tos pointer.
6842 * gensupport.c (identify_predicable_attribute): Free
6844 * gcov.c (create_file_names): Free name pointer.
6846 2006-03-13 Roger Sayle <roger@eyesopen.com>
6849 * stmt.c (emit_case_nodes): Handle the case where the index is a
6850 CONST_INT, where the comparison mode is specified by the index type.
6852 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6854 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6857 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6859 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6860 (*branch_fp_inverted): Likewise.
6862 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6865 * omp-low.c (expand_omp_for_generic): Mark istart0
6866 and iend0 as addressable.
6868 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6870 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6872 2006-03-13 Jeff Law <law@redhat.com>
6874 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6875 virtual operands are interesting.
6876 (vrp_visit_stmt): Corresponding changes.
6878 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6880 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6882 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6883 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6884 * config/bfin/crti.S: Use it instead of __PIC__.
6885 * config/bfin/crtn.S: Likewise.
6887 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6888 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6890 Lose 'G' modifier for call operand.
6891 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6892 recognize 'G' modifier.
6894 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6897 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6898 * stmt.c (expand_case): Likewise.
6900 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6902 PR rtl-optimization/26254
6903 * loop-invariant.c (seq_insns_valid_p): New function.
6904 (move_invariant_reg): Only emit new code if it is valid.
6906 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6908 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6910 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6911 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6912 (commit_one_edge_insertion): Do not look for loop notes.
6914 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6916 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6917 flag_test_coverage out of loop.
6919 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6921 * final.c (shorten_branches): Remove outdated comment, and turn
6922 the if branch that guards it to continue.
6924 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6926 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6927 * cfgloop.h (struct loop): Remove unused fields.
6929 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6931 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6932 (-dL, -fdump-rtl-loop2): Update the dump file names
6934 * doc/invoke.texi: Update dump file names.
6936 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6938 * predict.c (estimate_probability): Remove.
6939 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6940 * basic-block.h (estimate_probability): Remove prototype.
6941 * passes.c (finish_optimization_passes): Dump branch prediction or
6942 profiling heuristics to the .profile tree dump.
6943 (init_optimization_passes): Unqueue pass_branch_prob.
6945 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6947 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6949 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6950 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6952 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6954 * function.h (frame_offset_overflow): Declare.
6955 * function.c (frame_offset_overflow): New function.
6956 (assign_stack_local_1): Call it to detect that the offset overflows.
6957 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6959 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6961 * config/sh/sh.c: Include alloc-pool.h.
6962 (label_ref_list_pool): New alloc pool.
6963 (label_ref_list_t): New type for lists of labels.
6964 (struct pool_node): Make wend a label_ref_list_t.
6965 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6967 (dump_table): Likewise.
6968 (sh_reorg): Set up the alloc pool before using add_constant and
6969 dump_table, and destroy it when finishing.
6971 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6973 * config/mips/mips.c: Remove redundant comment.
6975 2006-03-10 Jason Merrill <jason@redhat.com>
6978 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6979 the target was declared 'register'.
6981 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6983 * genpreds.c (write_insn_constraint_len): Change definition of
6984 insn_constraint_len to return size_t to match the declaration.
6986 2006-03-10 DJ Delorie <dj@redhat.com>
6988 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6990 (m32c_expand_insv): Fix test for an AND mask.
6992 2006-03-10 Richard Guenther <rguenther@suse.de>
6995 * builtins.c (get_pointer_alignment): Handle component
6996 references for field alignment.
6998 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7000 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7001 when building with libgloss.
7002 (sh*elf): Implement --without-fp option.
7003 (sh64-superh-linux*): Don't multilib.
7005 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7007 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7009 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7011 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7012 Set it when one of the replacement functions returned true.
7013 Return TODO_cleanup_cfg if cfgchanged is true.
7014 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7016 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7018 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7019 instead of gen_lowpart.
7021 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7023 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7025 (mips_output_order_conditional_branch): Declare.
7026 * config/mips/mips.h (MIPS_BRANCH): New macro.
7027 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7028 for the comparison. Use gen_condjump.
7029 (mips_output_conditional_branch): Rework interface to take the
7030 asm templates for a direct branch and the inverse of a direct branch.
7031 (mips_output_order_conditional_branch): New function.
7032 (mips_builtin_branch_and_move): New function.
7033 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7034 branch condition. Use gen_single_cc as the condition for
7035 __builtin_mips_upper_* or __builtin_mips_lower_*.
7036 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7037 Use VOIDmode for the branch condition.
7038 * config/mips/predicates.md (order_operator): New predicate.
7039 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7040 (branch_fp): Rename to...
7041 (*branch_fp): ...this. Remove mode from comparison operator.
7042 Use new mips_output_conditional_branch interface.
7043 (branch_fp_inverted): Rename to...
7044 (*branch_fp_inverted): ...this and update as for *branch_fp.
7045 (*branch_zero<mode>): Rename to...
7046 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7047 Use mips_output_order_conditional_branch. Only accept ordered
7049 (*branch_zero<mode>_inverted): Rename to...
7050 (*branch_order<mode>_inverted): ...this and update as for
7051 *branch_order<mode>.
7052 (*branch_equality<mode>): Accept zero as the second operand to
7053 the equality operator. Use the new mips_output_conditional_branch
7055 (*branch_equality<mode>_inverted): Likewise.
7056 (condjump): New expander.
7057 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7059 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7060 (bc1any2t, bc1any2f): Likewise.
7061 (single_cc): New expander.
7062 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7064 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7066 * doc/md.texi: Update documentation of MIPS constraints.
7067 * config/mips/constraints.md: New file.
7068 * config/mips/mips.md: Include it.
7069 * config/mips/mips.c (mips_char_to_class): Delete.
7070 (override_options): Don't initialize mips_char_to_class.
7071 * config/mips/mips.h (mips_char_to_class): Delete.
7072 (REG_CLASS_FROM_LETTER): Delete.
7073 (CONST_OK_FOR_LETTER_P): Delete.
7074 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7075 (EXTRA_CONSTRAINT_Y): Delete.
7076 (EXTRA_CONSTRAINT_STR): Delete.
7077 (CONSTRAINT_LEN): Delete.
7078 (EXTRA_MEMORY_CONSTRAINT): Delete.
7080 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7082 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7083 original fn's eh regions.
7085 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7087 * fold-const.c (build_range_check): Make sure to use a valid type to
7088 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7091 (range_predecessor): New static function.
7092 (range_successor): Likewise.
7093 (merge_ranges): Use them to compute predecessors and successors of
7096 2006-03-09 Roger Sayle <roger@eyesopen.com>
7099 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7100 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7102 2006-03-08 DJ Delorie <dj@redhat.com>
7104 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7105 (addpsi3): Expand to include memory operands. Remove
7106 reload-specific splits.
7107 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7108 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7109 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7110 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7111 (shift1_qi, shift1_hi, insv): New.
7112 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7113 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7114 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7116 * config/m32c/m32c-protos.h: Update as needed.
7117 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7118 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7119 Fail for unrecognized R* constraints.
7120 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7121 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7122 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7124 (m32c_init_libfuncs): New.
7125 (m32c_legitimate_address_p): Add debug wrapper.
7126 (m32c_rtx_costs): New.
7127 (m32c_address_cost): New.
7128 (conversions): Add 'B' prefix.
7129 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7130 operands, or word regnames for QI operands. 'B' prints bit
7132 (m32c_expand_setmemhi): New.
7133 (m32c_expand_movmemhi): New.
7134 (m32c_expand_movstr): New.
7135 (m32c_expand_cmpstr): New.
7136 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7137 (m32c_expand_neg_mulpsi3): Handle non-ints.
7138 (m32c_cmp_flg_0): New.
7139 (m32c_expand_movcc): New.
7140 (m32c_expand_insv): New.
7141 (m32c_scc_pattern): New.
7142 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7143 a0/a1 out of SIregs.
7144 (STORE_FLAG_VALUE): New.
7145 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7148 * config/m32c/mov.md: Make constraints more liberal.
7149 (zero_extendqihi2): Optimize r0/r1 case.
7150 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7151 * config/m32c/predicates.md (m32c_any_operand): New.
7152 (m32c_nonimmediate_operand): New.
7153 (m32c_hl_operand): New.
7154 (m32c_r3_operand): New.
7157 (memsym_operand): New.
7158 (memimmed_operand): New.
7159 (a_qi_operand): New.
7160 (m32c_eqne_operator): New.
7161 (m32c_1bit8_operand): New.
7162 (m32c_1bit16_operand): New.
7163 (m32c_1mask8_operand): New.
7164 (m32c_1mask16_operand): New.
7165 * config/m32c/blkmov.md: New file.
7166 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7168 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7170 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7171 unsigned to fix signed/unsigned comparison issue in
7172 DWARF2_FRAME_REG_OUT.
7173 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7174 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7176 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7177 of ptr into the ENABLE_CHECKING section.
7179 2006-03-08 Jeff Law <law@redhat.com>
7181 * tree-vrp.c (infer_value_range): Only count pointer uses
7182 and dereferences if -fdelete-null-pointer-checks is enabled.
7184 * tree-vrp.c (find_assert_locations): Infer value ranges for
7185 single use pointers, but do not create ASSERT_EXPRs for them.
7186 When a non-null range is inferred for a pointer, backwards
7187 propagate that range to other equivalent pointers through the
7190 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7193 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7194 language hook targets.
7195 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7196 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7197 if language hook targets were missing.
7199 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7201 * tree-ssa-opfinalize.h: Removed.
7202 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7204 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7205 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7206 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7207 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7208 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7209 finalize_ssa_v_must_def_ops): New.
7211 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7213 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7216 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7218 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7220 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7221 addresses with offsets; reorganize.
7223 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7224 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7225 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7227 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7230 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7232 2006-03-08 Ben Elliston <bje@au.ibm.com>
7234 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7236 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7239 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7242 2006-03-07 Richard Guenther <rguenther@suse.de>
7244 PR tree-optimization/26587
7245 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7247 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7249 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7251 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7253 * hooks.c (hook_bool_mode_rtx_true): New function.
7254 * hooks.h (hook_bool_mode_rtx_true): Declare.
7255 * toplev.c (compile_file): Call output_shared_constant_pool.
7256 * varasm.c (shared_constant_pool): New variable.
7257 (assemble_start_function, assemble_end_function): Remove arguments
7258 from call to output_constant_pool.
7259 (create_constant_pool): New function, split out from...
7260 (init_varasm_status): ...here.
7261 (force_const_mem): Choose between the shared and per-function constant
7262 pools. Set current_function_uses_const_pool when reusing old entries
7263 as well as when creating new ones.
7264 (mark_constant): Ignore data argument.
7265 (mark_constants): Remove pool argument.
7266 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7267 to decide whether the function uses a constant pool.
7268 (output_constant_pool_contents): New function, split out from...
7269 (output_constant_pool): ...here.
7270 (output_shared_constant_pool): New function.
7271 (init_varasm_once): Initialize shared_constant_pool.
7272 * output.h (output_constant_pool): Delete.
7273 (output_shared_constant_pool): Declare.
7274 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7275 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7277 2006-03-06 Nick Clifton <nickc@redhat.com>
7279 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7280 flag_strength_reduce.
7282 2006-03-06 Ben Elliston <bje@au.ibm.com>
7284 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7285 x86_64-*-linux* configurations.
7287 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7288 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7290 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7292 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7294 * basic-block.h: Remove the extern for
7295 rediscover_loops_after_threading.
7297 * cfgloop.c (cancel_loop): Make it static.
7298 * cfgloop.h: Remove the prototype for cancel_loop.
7300 * flow.c (recompute_reg_usage): Make it static.
7301 * rtl.h: Remove the prototype for recompute_reg_usage.
7303 * function.c (use_return_register): Make it static.
7304 * function.h: Remove the prototype.
7306 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7308 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7310 * recog.h: Remove the prototype for
7311 validate_change_maybe_volatile.
7313 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7315 * rtlanal.c (replace_reg): Remove.
7316 * rtl.h: Remove the prototype for replace_reg.
7318 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7320 * regclass.c (reg_scan_update): Remove.
7321 (reg_scan_mark_refs): Remove the last argument.
7322 * rtl.h: Remove the prototype for reg_scan_update.
7324 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7326 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7327 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7328 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7329 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7330 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7331 loop-invariant.c, omp-low.c, opts.c, passes.c,
7332 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7333 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7334 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7335 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7336 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7337 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7339 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7341 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7342 * dwarf2out.h: Remove the prototype for
7343 dwarf2out_add_library_unit_info.
7345 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7347 * tree.c (add_var_to_bind_expr): Remove.
7348 * tree.h: Remove the prototype for add_var_to_bind_expr.
7350 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7352 * regclass.c (n_non_fixed_regs): Remove.
7353 (init_reg_sets_1, globalize_reg): Remove all uses of
7355 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7357 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7359 * rtlanal.c (insns_safe_to_move_p): Remove.
7360 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7362 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7364 * expmed.c (expand_mult_add): Remove.
7365 * expr.h: Remove the prototype for expand_mult_add.
7367 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7369 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7370 and REG_SAVED_VAL_EXP constants.
7371 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7372 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7373 Handle regs stored by value.
7374 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7375 (execute_cfa_program): Handle DW_CFA_val_offset,
7376 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7377 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7378 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7379 (uw_install_context_1): Handle target regs stored by value.
7381 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7383 * tree-sra.c (tree_sra): Return todoflags;
7384 (generate_one_element): Set TODO_update_smt_usage if needed.
7385 (pass_sra): Remove TODO_update_smt_usage.
7386 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7388 (tree_ssa_forward_propagate_single_use_vars): Return
7389 TODO_update_smt_usage if we need to update SMT usage.
7390 (pass_forwprop): Remove TODO_update_smt_usage.
7392 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7394 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7395 (correct_use_link): Remove reference to get_stmt_operands.
7396 (update_stmt_operands): Likewise.
7397 (get_modify_expr_operands): New function factored out of
7398 parse_ssa_operands and get_expr_operands.
7399 Try to create V_MUST_DEFs for LHS by default.
7400 (get_expr_operands) <case MODIFY_EXPR>: Call
7401 get_modify_expr_operands.
7402 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7403 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7404 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7405 get_modify_expr_operands.
7407 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7409 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7410 * tree-flow.h: Remove the prototype for
7411 referenced_var_lookup_if_exists.
7413 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7415 PR rtl-optimization/26345
7417 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7419 2006-03-03 Roger Sayle <roger@eyesopen.com>
7421 PR tree-optimization/26524
7422 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7423 fold_convert to create a constant of the appropriate type.
7425 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7427 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7428 SYMBOL_REF_IN_BLOCK_P.
7429 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7430 of SYMBOL_FLAG_IN_BLOCK.
7431 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7432 instead of SYMBOL_REF_IN_BLOCK_P.
7433 * explow.c (use_anchored_address): Likewise.
7434 * rtl.c (rtx_size): Likewise.
7435 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7436 instead of SYMBOL_FLAG_IN_BLOCK.
7437 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7438 SYMBOL_REF_IN_BLOCK_P.
7439 (assemble_variable): Likewise.
7440 (output_constant_def_contents): Likewise.
7441 (output_constant_pool): Likewise.
7442 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7443 instead of SYMBOL_FLAG_IN_BLOCK.
7444 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7445 SYMBOL_REF_IN_BLOCK_P.
7446 (SYMBOL_REF_BLOCK): Likewise.
7447 (SYMBOL_REF_OFFSET): Likewise.
7448 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7449 SYMBOL_REF_IN_BLOCK_P.
7450 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7451 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7452 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7453 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7455 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7457 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7459 2006-03-02 Roger Sayle <roger@eyesopen.com>
7461 * simplify-rtx.c (simplify_unary_operation): When simplifying
7462 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7463 that we perform the right shift in the appropriate mode, and
7464 then extend or truncate the result to requested mode.
7466 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7468 * gengtype.c (main): Handle double_int type.
7469 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7470 * double-int.c: New file.
7471 * double-int.h: New file.
7472 * system.h: Include doubleint.h.
7473 * Makefile.in (SYSTEM_H): Include double-int.h.
7474 (double-int.o): Add.
7476 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7479 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7482 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7484 * tree-vrp.c (remove_range_assertions): Do not update statements
7487 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7489 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7491 * gcse.c (rest_of_handle_gcse): Ditto.
7492 * except.c (gate_handle_eh): Ditto.
7493 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7494 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7496 2006-03-02 Eric Christopher <echristo@apple.com>
7498 * config/i386/i386.c (machopic_output_stub): Add indirection to
7501 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7505 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7507 Sun Niagara specific optimizations.
7508 * config.gcc: Recognize niagara as target.
7509 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7510 (TARGET_CPU_niagara): Define.
7511 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7512 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7513 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7514 (ASM_CPU_SPEC): Likewise.
7515 (PROCESSOR_NIAGARA): New enum entry.
7516 (REGISTER_MOVE_COST): Handle Niagara.
7517 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7518 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7519 (sparc_override_options): Recognize "niagara", set appropriate
7520 default MASK_* values for it, and align functions to 32-bytes
7521 by default just like ULTRASPARC/ULTRASPARC3.
7522 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7523 (sparc64_initialize_trampoline): Likewise.
7524 (sparc_use_sched_lookahead): Use zero for niagara.
7525 (sparc_issue_rate): Use one for niagara.
7526 * config/sparc/niagara.md: New file.
7527 * config/sparc/sparc.md: Include it.
7528 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7529 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7530 when default cpu is niagara.
7531 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7532 (ASM_CPU_SPEC): Likewise.
7533 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7534 when default cpu is niagara.
7535 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7536 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7537 just like v9/ultrasparc/ultrasparc3.
7538 * doc/invoke.texi: Add documentation for "niagara" and improve
7539 existing documentation for ultrasparc variants.
7541 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7543 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7545 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7547 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7548 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7549 and say that only one is needed.
7550 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7551 * target.h (have_switchable_bss_sections): New hook.
7552 * explow.c (use_anchored_address): Check that the symbol is in a block.
7553 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7554 (bss_noswitch_section): New variables.
7555 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7556 (get_noswitch_section): New function.
7557 (get_block_for_section): Allow SECT to be null.
7558 (unlikely_text_section_p): Use SECTION_STYLE.
7559 (bss_initializer_p): New function.
7560 (get_variable_section): Move earlier in file. Take a new argument,
7561 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7562 Return one of the new *_sections in such cases.
7563 (get_block_for_decl): New function, extracting some logic from
7564 use_blocks_for_decl_p.
7565 (change_symbol_section): Remove in favor of...
7566 (change_symbol_block): ...this new function.
7567 (use_blocks_for_decl_p): Remove checks now performed by
7569 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7570 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7571 (emit_local, emit_bss, emit_common): ...these new functions.
7572 Return true if the alignment was honored.
7573 (emit_tls_common): New function.
7574 (asm_emit_uninitialised): Delete.
7575 (assemble_variable_noswitch): New function, split out from...
7576 (assemble_variable): ...here. Don't make decisions about common
7577 variables here. Globalize all public decls that go into non-common
7578 sections. Check whether SYMBOL_REF_BLOCK is null.
7579 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7580 (output_constant_pool): Likewise.
7581 (init_varasm_once): Initialize the new section variables.
7582 (have_global_bss_p): New function.
7583 (categorize_decl_for_section): Use bss_initializer_p.
7584 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7585 (place_block_symbol): Assert that the symbol must be in a block.
7586 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7587 (TARGET_INITIALIZER): Include it.
7588 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7589 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7590 (SECTION_MACH_DEP): Bump by two.
7591 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7592 (unnamed_section): Mention SECTION_UNNAMED in comment.
7593 (named_section): Likewise SECTION_NAMED.
7594 (noswitch_section_callback): New type.
7595 (noswitch_section): New structure.
7596 (section): Add a noswitch_section alternative.
7597 (SECTION_STYLE): New macro.
7598 (tls_comm_section, comm_section, lcomm_section): Declare.
7599 (bss_noswitch_section, have_global_bss_p): Declare.
7600 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7601 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7603 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7604 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7607 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7609 * tree-vrp.c (execute_vrp): Return value.
7610 * regrename.c (rest_of_handle_regrename): Ditto.
7611 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7612 * tree-complex.c (tree_lower_complex): Ditto.
7613 (tree_lower_complex_O0): Ditto.
7614 * tracer.c (rest_of_handle_tracer): Ditto.
7615 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7616 * postreload.c (rest_of_handle_postreload): Ditto.
7617 * tree-tailcall.c (execute_tail_recursion): Ditto.
7618 (execute_tail_calls): Ditto.
7619 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7620 * tree.h (init_function_for_compilation): Ditto.
7621 * ipa-cp.c (ipcp_driver): Ditto.
7622 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7623 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7624 * final.c (compute_alignments): Ditto.
7625 (rest_of_handle_final): Ditto.
7626 (rest_of_handle_shorten_branches): Ditto.
7627 (rest_of_clean_state): Ditto.
7628 * omp-low.c (execute_expand_omp): Ditto.
7629 (execute_lower_omp): Ditto.
7630 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7631 * ipa-reference.c (static_execute): Ditto.
7632 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7633 * reorg.c (rest_of_handle_delay_slots): Ditto.
7634 (rest_of_handle_machine_reorg): Ditto.
7635 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7636 * flow.c (recompute_reg_usage): Ditto.
7637 (rest_of_handle_remove_death_notes): Ditto.
7638 (rest_of_handle_life): Ditto.
7639 (rest_of_handle_flow2): Ditto.
7640 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7641 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7642 (do_ssa_store_ccp): Ditto.
7643 (execute_fold_all_builtins): Ditto.
7644 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7645 * modulo-sched.c (rest_of_handle_sms): Ditto.
7646 * ipa-pure-const.c (static_execute): Ditto.
7647 * cse.c (rest_of_handle_cse): Ditto.
7648 (rest_of_handle_cse2): Ditto.
7649 * web.c (rest_of_handle_web): Ditto.
7650 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7651 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7652 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7653 * tree-nrv.c (tree_nrv): Ditto.
7654 (execute_return_slot_opt): Ditto.
7655 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7656 (create_structure_vars): Ditto.
7657 * loop-init.c (rtl_loop_init): Ditto.
7658 (rtl_loop_done): Ditto.
7659 (rtl_move_loop_invariants): Ditto.
7660 (rtl_unswitch): Ditto.
7661 (rtl_unroll_and_peel_loops): Ditto.
7662 (rtl_doloop): Ditto.
7663 * gimple-low.c (lower_function_body): Ditto.
7664 (mark_used_blocks): Ditto.
7665 * tree-ssa-sink.c (execute_sink_code): Ditto.
7666 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7667 (cgraph_early_inlining): Ditto.
7668 * global.c (rest_of_handle_global_alloc): Ditto.
7669 * jump.c (cleanup_barriers): Ditto.
7670 (purge_line_number_notes): Ditto.
7671 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7672 (rest_of_handle_if_after_reload): Ditto.
7673 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7674 (tree_ssa_loop_im): Ditto.
7675 (tree_ssa_loop_unswitch): Ditto.
7676 (tree_vectorize): Ditto.
7677 (tree_linear_transform): Ditto.
7678 (tree_ssa_loop_ivcanon): Ditto.
7679 (tree_ssa_empty_loop): Ditto.
7680 (tree_ssa_loop_bounds): Ditto.
7681 (tree_complete_unroll): Ditto.
7682 (tree_ssa_loop_prefetch): Ditto.
7683 (tree_ssa_loop_ivopts): Ditto.
7684 (tree_ssa_loop_done): Ditto.
7685 * predict.c (tree_estimate_probability): Ditto.
7686 * recog.c (split_all_insns_noflow): Ditto.
7687 (rest_of_handle_peephole2): Ditto.
7688 (rest_of_handle_split_all_insns): Ditto.
7689 * tree-eh.c (lower_eh_constructs): Ditto.
7690 * regmove.c (rest_of_handle_regmove): Ditto.
7691 (rest_of_handle_stack_adjustments): Ditto.
7692 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7693 * function.c (instantiate_virtual_regs): Ditto.
7694 (init_function_for_compilation): Ditto.
7695 (rest_of_handle_check_leaf_regs): Ditto.
7696 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7697 (rest_of_handle_gcse): Ditto.
7698 * ipa-type-escape.c (type_escape_execute): Ditto.
7699 * alias.c (rest_of_handle_cfg): Ditto.
7700 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7701 * profile.c (rest_of_handle_branch_prob): Ditto.
7702 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7703 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7704 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7705 * tree-dfa.c (find_referenced_vars): Ditto.
7706 * except.c (set_nothrow_function_flags): Ditto.
7707 (convert_to_eh_region_ranges): Ditto.
7708 (rest_of_handle_eh): Ditto.
7709 * emit-rtl.c (unshare_all_rtl): Ditto.
7710 (remove_unnecessary_notes): Ditto.
7711 * except.h (set_nothrow_function_flags): Ditto.
7712 (convert_to_eh_region_ranges): Ditto.
7713 * cfgexpand.c (tree_expand_cfg): Ditto.
7714 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7715 * tree-ssa-pre.c (do_pre): Ditto.
7716 (execute_fre): Ditto.
7717 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7718 (rest_of_handle_jump2): Ditto.
7719 * tree-sra.c (tree_sra): Ditto.
7720 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7721 (execute_mudflap_function_decls): Ditto.
7722 * tree-ssa-copy.c (do_copy_prop): Ditto.
7723 (do_store_copy_prop): Ditto.
7724 * ipa-prop.h (ipcp_driver): Ditto.
7725 * cfglayout.c (insn_locators_initialize): Ditto.
7726 * tree-ssa-forwprop.c
7727 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7728 * cfglayout.h (insn_locators_initialize): Ditto.
7729 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7730 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7731 (execute_late_warn_uninitialized): Ditto.
7732 * rtl.h (cleanup_barriers): Ditto.
7733 (split_all_insns_noflow): Ditto.
7734 (purge_line_number_notes): Ditto.
7735 (unshare_all_rtl): Ditto.
7736 (remove_unnecessary_notes): Ditto.
7737 (recompute_reg_usage): Ditto.
7738 (variable_tracking_main): Ditto.
7739 * integrate.c (emit_initial_value_sets): Ditto.
7740 * integrate.h (emit_initial_value_sets): Ditto.
7741 * tree-optimize.c (execute_free_datastructures): Ditto
7742 (execute_free_cfg_annotations): Ditto.
7743 (execute_fixup_cfg): Ditto.
7744 (execute_cleanup_cfg_pre_ipa): Ditto.
7745 (execute_cleanup_cfg_post_optimizing): Ditto.
7746 (execute_init_datastructures): Ditto.
7747 * tree-object-size.c (compute_object_sizes): Ditto.
7748 * combine.c (rest_of_handle_combine): Ditto.
7749 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7750 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7751 (rest_of_handle_reorder_blocks): Ditto.
7752 (rest_of_handle_partition_blocks): Ditto.
7753 * var-tracking.c (variable_tracking_main): Ditto.
7754 * tree-profile.c (tree_profiling): Ditto.
7755 * tree-vect-generic.c (expand_vector_operations): Ditto.
7756 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7757 * sched-rgn.c (rest_of_handle_sched): Ditto.
7758 (rest_of_handle_sched2): Ditto.
7759 * basic-block.h (free_bb_insn): Ditto.
7760 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7761 * tree-cfg.c (execute_build_cfg): Ditto.
7762 (remove_useless_stmts): Ditto.
7763 (split_critical_edges): Ditto.
7764 (execute_warn_function_return): Ditto.
7765 (execute_warn_function_noreturn): Ditto.
7766 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7767 * cfgrtl.c (free_bb_for_insn): Ditto.
7768 * passes.c (execute_one_pass): Run additional
7769 todos returned by execute function.
7770 * tree-pass.h (struct tree_opt_pass): Make execute
7773 2006-03-02 Richard Guenther <rguenther@suse.de>
7775 * tree-ssa-alias.c (find_used_portions): Consider taking
7776 the address as making the variable not write-only.
7778 2006-03-02 Nick Clifton <nickc@redhat.com>
7780 * config.gcc (default_use_cxa_atexit): Extend the description of
7781 this configure variable. Set its default value to "yes" for
7782 Linux, NetBSD and ELF targets on the assumption that they will
7783 use C libraries with the __cxa_atexit function.
7785 2006-03-02 Ben Elliston <bje@au.ibm.com>
7787 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7788 parameter as unused to suppress a build warning.
7790 2006-03-02 Ben Elliston <bje@au.ibm.com>
7792 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7795 2006-03-01 Roger Sayle <roger@eyesopen.com>
7798 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7799 declared name, the weak reference name, and the typeof name.
7800 (__gthrw): Avoid expanding the declared name suffix.
7801 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7803 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7805 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7807 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7808 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7809 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7810 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7811 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7812 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7813 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7814 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7815 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7816 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7817 (DW_END_default, DW_END_big, DW_END_little): New.
7818 (DW_END_lo_user, DW_END_hi_user): Define.
7819 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7820 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7821 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7824 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7826 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7828 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7830 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7832 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7834 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7835 to 'symbol_mem_tag'.
7837 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7840 2006-03-01 Roger Sayle <roger@eyesopen.com>
7842 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7844 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7847 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7848 MACHO_DYNAMIC_NO_PIC_P.
7849 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7851 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7854 * config/darwin-protos.h (darwin_asm_output_anchor):
7856 * config/darwin-sections.def (cstring_section):
7857 Add SECTION_MERGE to the flags.
7858 (literal4_section): Likewise.
7859 (literal8_section): Likewise.
7860 (objc_selector_refs_section): Likewise.
7861 (objc_cls_refs_section): Likewise.
7862 * config/darwin.c (darwin_asm_output_anchor): New
7864 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7866 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7868 Fix PR tree-optimization/26443
7869 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7870 to todo and PROP_tmt_usage to properties_destroyed.
7871 * tree-ssa-ccp.c (pass_ccp): Ditto.
7872 (pass_store_ccp): Ditto.
7873 * tree-ssa-dom.c (pass_dominator): Ditto.
7875 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7877 * tree-ssa-operands.c: Cleanup whitespace.
7878 (get_asm_expr_operands): Move before first invocation.
7879 (get_indirect_ref_operands): Likewise.
7880 (get_tmr_operands): Likewise.
7881 (get_call_expr_operands): Likewise.
7882 (append_def): Likewise.
7883 (append_use): Likewise.
7884 (append_v_may_def): Likewise.
7885 (append_v_must_def): Likewise.
7886 (add_call_clobber_ops): Likewise.
7887 (add_call_read_ops): Likewise.
7888 (add_stmt_operand): Likewise.
7889 (add_virtual_operand): Likewise.
7890 (build_ssa_operands): Likewise.
7892 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7897 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7898 with a call expr to ...
7899 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7901 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7903 * tree-vrp.c (extract_range_from_assert): Remove special
7904 handling for types with super-types.
7906 2006-03-01 Ben Elliston <bje@au.ibm.com>
7908 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7909 and powerpc64-*-linux* configurations.
7910 * config/t-dfprules: New file.
7912 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7913 Compile dfp-bit.c from the source directory using -DWIDTH and
7914 $DFP_CFLAGS to control the compilation of that file, rather than
7915 generating width-specific versions in the build directory.
7916 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7917 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7919 2006-02-28 Zack Weinberg <zackw@panix.com>
7921 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7924 2006-02-28 Eric Christopher <echristo@apple.com>
7926 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7927 Set up IN_LIBGCC definition of TARGET_64BIT.
7928 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7930 2006-02-28 Roger Sayle <roger@eyesopen.com>
7933 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7934 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7935 cases via the construction of "expr != 0".
7937 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7939 * alias.c (alias_invariant, alias_invariant_size): Remove.
7940 (record_base_value): Remove.
7941 (memrefs_conflict_p): Don't look at alias_invariant.
7942 (end_alias_analysis): Don't free it.
7943 * alias.h (record_base_value): Remove prototype.
7945 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7946 Adam Nemet <anemet@caviumnetworks.com>
7948 * rtl.h (truncated_to_mode): Declare it.
7949 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7950 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7951 (RTL_HOOKS_INITIALIZER): Include it.
7952 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7953 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7954 reg_truncated_to_mode.
7955 * rtlanal.c (truncated_to_mode): Define it.
7956 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7958 2006-02-28 Jeff Law <law@redhat.com>
7960 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7961 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7962 the range allowed by TYPE_PRECISION.
7964 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7966 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7968 PR tree-optimization/26419
7969 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7972 2006-02-27 Zack Weinberg <zackw@panix.com>
7974 * doc/md.texi: Fix typo in previous change.
7976 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7980 2006-02-27 Zack Weinberg <zackw@panix.com>
7982 * rtl.def (define_constraint, define_register_constraint)
7983 (define_memory_constraint, define_address_constraint): New MD forms.
7984 * gensupport.c (process_rtx): Put define_constraint etc on the
7986 * genpreds.c (process_define_predicate): Adjust comment. Validate
7987 the name, and call validate_exp to validate the expression.
7988 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7989 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7990 all callers changed.
7991 (validate_exp, needs_variable, struct constraint_data)
7992 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7993 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7994 (const_dbl_constraints, constraint_max_namelen)
7995 (have_register_constraints, have_memory_constraints)
7996 (have_address_constraints, have_address_constraints)
7997 (have_extra_constraints, have_const_int_constraints)
7998 (have_const_dbl_constraints, mangle, add_constraint)
7999 (process_define_constraint, process_define_register_constraint)
8000 (write_enum_constraint_num, write_lookup_constraint)
8001 (write_insn_constraint_len, write_regclass_for_constraint)
8002 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8003 (write_insn_extra_memory_constraint)
8004 (write_insn_extra_address_constraint)
8005 (write_satisfies_constraint_fns): New.
8006 (write_tm_preds_h): If we have new-style constraint definitions,
8007 prototype the functions generated from them, and define the
8008 old constraint interface (still used by generic code) in terms of
8010 (write_insn_preds_c): If we have new-style constraint definitions,
8011 generate all relevant functions from those definitions.
8012 (main): Handle define_constraint etc.
8013 * genoutput.c (struct constraint_data, indep_constraints)
8014 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8015 (mdep_constraint_len): New data structures and functions, defined
8016 #ifdef USE_MD_CONSTRAINTS.
8017 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8018 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8019 use new logic to validate operand constraints against constraint
8021 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8023 * defaults.h: If none of the old-style constraint macros are
8024 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8025 old-style macros; and poison REG_CLASS_FROM_LETTER,
8026 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8028 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8029 * doc/md.texi: Document new constraint-definition mechanism and the
8030 C interface it provides. Remove references to old mechanism
8031 elsewhere in the document.
8032 (Machine Constraints): Use pathnames relative to gcc directory,
8033 i.e. config/ARCH/FILE. Change i386 section to refer to
8034 config/i386/predicates.md; update that section to match docstrings.
8035 * doc/tm.texi: Move all documentation of the old constraint-
8036 definition macros to their own section, clearly mark as obsolete.
8038 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8039 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8041 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8042 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8043 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8045 (splits and peepholes): Use satisfies_constraint_*.
8046 * config/i386/i386.c (memory_address_length)
8047 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8049 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8051 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8052 scalar operation to be put back into the loop.
8054 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8057 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8058 (extract_cie_info): Handle S flag in augmentation string.
8059 (execute_cfa_program): If context->signal_frame, execute also
8060 fs->pc == context->ra instructions.
8061 (uw_frame_state_for): If context->signal_frame, don't subtract one
8062 from context->ra to find FDE.
8063 (uw_update_context_1): Set context->signal_frame to
8065 (_Unwind_GetIPInfo): New function.
8066 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8067 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8069 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8070 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8071 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8072 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8073 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8074 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8075 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8076 x86_64_fallback_frame_state): Set fs->signal_frame.
8077 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8078 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8079 (frob_update_context): Likewise. Workaround missing S flag in
8080 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8081 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8082 Remove the psw_addr + 1 hack.
8084 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8086 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8087 with aggregates here.
8088 (find_func_aliases): Remove code for &<aggregate> from here.
8090 2006-02-26 Roger Sayle <roger@eyesopen.com>
8092 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8093 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8094 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8097 2006-02-26 Roger Sayle <roger@eyesopen.com>
8100 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8102 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8104 * opts.c (decode_options): Do not handle flag_strength_reduce.
8105 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8106 and OPT_fstrength_reduce.
8107 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8108 flag_prefetch_loop_arrays for being nonzero.
8109 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8111 (fprefetch-loop-arrays-rtl): Removed.
8112 (flag_prefetch_loop_arrays): Do not specify the value.
8114 * doc/passes.texi: Update documentation of loop optimizer
8116 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8117 -frerun-loop-opt): Remove.
8119 2006-02-26 Richard Guenther <rguenther@suse.de>
8121 PR tree-optimization/26421
8122 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8123 in function calls that are ADDR_EXPRs as using the whole structure.
8125 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8127 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8128 * tree-pass.h (pass_loop_optimize): Remove.
8129 * passes.c (pass_loop_optimize): Never run it.
8130 * toplev.c (backend_init): Don't call init_loop.
8131 * opts.c (flag_loop_optimize_set): Remove.
8132 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8133 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8134 the old RTL loop optimizer when profiling enabled.
8135 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8136 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8137 pre-headers for the sake of the old RTL loop optimizer.
8138 * Makefile.in: Remove all references to loop.o.
8140 * doc/invoke.texi: Remove all references to -floop-optimize
8141 and -frerun-loop-opt.
8143 2006-02-26 Zack Weinberg <zackw@panix.com>
8145 * doc/md.texi (Machine Constraints): Refer to all files with paths
8146 relative to gcc directory (i.e. config/CPU/file). Add missing
8147 @table @code ... @end table to M32C subsection.
8149 2006-02-26 Roger Sayle <roger@eyesopen.com>
8151 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8153 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8155 2006-02-26 Roger Sayle <roger@eyesopen.com>
8156 James A. Morrison <phython@gcc.gnu.org>
8159 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8160 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8161 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8162 signedness of the shift operation.
8164 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8166 PR tree-optimization/26359
8167 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8169 2006-02-25 Roger Sayle <roger@eyesopen.com>
8171 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8172 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8173 as X == 0, and some symmetry related transformations.
8174 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8176 2006-02-25 Roger Sayle <roger@eyesopen.com>
8179 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8180 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8181 symmetry related transformations. Fold (X^C1) == C2 as
8184 2006-02-25 Juergen Weigert <jw@suse.de>
8185 Richard Guenther <rguenther@suse.de>
8187 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8189 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8191 * combine.c (gen_lowpart_or_truncate): Call
8192 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8194 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8196 * doc/invoke.texi: Move -fopenmp description to "Options for
8198 Remove reference to -lgomp.
8200 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8202 * doc/install.texi: Require GNU tar version 1.14.
8204 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8206 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8207 * doc/invoke.texi (C++ Dialect Options): Document
8208 -fno-use-cxa-get-exception-ptr.
8209 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8210 * configure: Regenerate.
8211 * c.opt (fuse-cxa-get-exception-ptr): New.
8212 * c-opts.c (c_common_handle_option): Handle
8213 OPT_fuse_cxa_get_exception_ptr.
8214 * c-common.c (flag_use_cxa_atexit): Update documentation.
8215 (flag_use_cxa_get_exception_ptr): New.
8216 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8217 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8219 (C_COMMON_OVERRIDE_OPTIONS): New.
8221 2006-02-24 Roger Sayle <roger@eyesopen.com>
8224 * combine.c (try_combine): Explicitly check whether GET_CODE is
8225 a SET or a CLOBBER, instead on checking that it isn't a USE.
8227 2006-02-24 Roger Sayle <roger@eyesopen.com>
8229 * fold-const.c (fold_comparison): New subroutine of fold_binary
8230 containing transformations common to both the equality and
8231 ordering relational operators, factored out of fold_binary.
8232 (fold_binary): Separate out the equality operators (EQ_EXPR
8233 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8234 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8235 transformations common to both.
8236 (fold_div_compare): Fix latent bugs in the previously unreachable
8237 LT_EXPR and GE_EXPR cases.
8239 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8241 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8242 decl libname for clog to __clog on AIX.
8244 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8246 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8249 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8250 output traceback table for thunks. Localise rs6000_stack_info call.
8252 2006-02-23 Roger Sayle <roger@eyesopen.com>
8253 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8255 * gthr-posix.h (__gthrw): Fix typo in comment.
8257 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8259 * doc/cpp.texi (Character sets): Document that we do support
8260 input files to be in any character set.
8262 2006-02-23 Jeff Law <law@redhat.com>
8264 * tree.h (PHI_ARG_NONZERO): Remove.
8265 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8266 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8267 node to the new node.
8269 PR tree-optimization/26425
8270 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8271 min/max, then assume its varying.
8273 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8275 PR rtl-optimization/26316
8276 * rtlanal.c (enum may_trap_p_flags): New.
8277 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8278 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8279 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8280 (may_trap_after_code_motion_p): New function.
8281 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8282 (find_invariant_insn): Use may_trap_after_code_motion_p.
8283 * rtl.h (may_trap_after_code_motion_p): Declare.
8285 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8287 * emit-rtl.c (immed_double_const): Cleanup.
8289 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8291 Fix PR tree-optimization/26376
8292 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8295 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8298 * gimplify.c (omp_add_variable): Guard variable size decl test with
8299 DECL_SIZE (decl) check.
8301 2006-02-23 Richard Guenther <rguenther@suse.de>
8304 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8305 like aggregate types.
8307 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8309 * configure.ac: Add --with{,out}-long-double-128 configure option.
8310 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8311 * configure: Rebuilt.
8312 * config.in: Rebuilt.
8313 * doc/install.texi (Options specification): Document
8314 --with-long-double-128.
8316 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8317 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8318 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8319 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8321 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8323 * config/s390/s390.c (override_options): Handle
8324 TARGET_DEFAULT_LONG_DOUBLE_128.
8326 * config/alpha/alpha.c (override_options): Handle
8327 TARGET_DEFAULT_LONG_DOUBLE_128.
8329 * config/sparc/sparc.c (sparc_override_options): Handle
8330 TARGET_DEFAULT_LONG_DOUBLE_128.
8332 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8334 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8335 (real-install-headers-tar, real-install-headers-cpio)
8336 (real-install-headers-cp): New targets.
8338 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8340 * tree.h (variable_section): Delete.
8341 * varasm.c (variable_section): Delete.
8343 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8345 * install.texi: Add notes on install.texi2html.
8346 (Building in parallel): Do not use footnotes.
8348 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8351 * doc/install.texi (Configuration): Document --disable-libgomp.
8353 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8355 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8357 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8359 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8360 (vec_extractv2df_0_sse): New.
8362 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8364 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8365 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8366 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8367 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8368 to the result of the expression.
8369 (def_cfa_1): Adjust.
8370 (frame_pointer_cfa_offset): Rename to...
8371 (frame_pointer_fb_offset): ... this. Adjust all uses.
8372 (convert_cfa_to_loc_list): Rename to...
8373 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8374 Pass it on to build_cfa_loc.
8375 (compute_frame_pointer_to_cfa_displacement): Rename to...
8376 (compute_frame_pointer_to_fb_displacement): ... this. New
8377 offset parameter. Use it in computation.
8378 (gen_subprogram_die): Compute cfa_fb_offset with the new
8379 macro, and use it to compute the fb loc list and the
8382 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8384 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8385 replaced with register_operand.
8386 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8387 non-DREG is expensive.
8388 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8389 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8392 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8394 * doc/install.texi2html: Use set -e.
8396 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8398 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8399 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8400 * doc/invoke.texi (-fshared-data): Delete.
8401 * common.opt (fshared-data): Delete.
8402 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8403 (assemble_static_space): Remove #if 0 code.
8404 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8405 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8406 * config/cris/cris.h: Remove FIXME.
8408 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8410 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8413 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8416 * combine.c (simplify_shift_const_1): Disable nested shifts
8417 optimization for vector shifts.
8419 2006-02-20 Roger Sayle <roger@eyesopen.com>
8421 PR tree-optimization/26361
8422 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8423 of unsigned integer types.
8425 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8427 * tree-chrec.c (eq_evolutions_p): New.
8428 * tree-chrec.h (eq_evolutions_p): Declared.
8429 * tree-data-ref.c: Fix formatting.
8430 (datadep_stats, dependence_stats): New.
8432 (print_direction_vector): New.
8433 (dump_data_dependence_relation): Use print_direction_vector.
8434 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8435 (compute_subscript_distance): Static.
8436 (initialize_data_dependence_relation): Static. Get the number
8437 of loops surrounding the references from the callers, and initialize
8438 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8439 base_object_differ_p analyzers.
8440 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8441 compute_overlap_steps_for_affine_1_2,
8442 analyze_subscript_affine_affine): Count the classified dependences.
8443 Print a message when a test failed.
8444 (can_use_analyze_subscript_affine_affine): New.
8445 (analyze_siv_subscript): Compute the data dependences on symbolic
8446 scevs that verify can_use_analyze_subscript_affine_affine.
8447 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8448 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8449 Handle symbolic scevs.
8450 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8452 (subscript_dependence_tester): Moved...
8453 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8454 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8455 DDR_SIZE_VECT instead of getting it in parameter.
8456 (subscript_dependence_tester): ... here. Take as a parameter
8457 loop_nest_depth. Call build_classic_dist_vector and
8458 build_classic_dir_vector.
8459 (compute_affine_dependence): Update subscript_dependence_tester
8460 parameters. Update datadep_stats counters. Call
8461 compute_subscript_distance.
8462 (compute_self_dependence): Save the dist and dir vectors. Call
8463 compute_subscript_distance.
8464 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8465 (compute_all_dependences): Reorder parameters as they were before
8466 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8467 compute_subscript_distance. Update the use of
8468 compute_affine_dependence and initialize_data_dependence_relation.
8469 (find_data_references_in_loop): Handle COMPONENT_REF.
8470 (compute_data_dependences_for_loop): Initialize dependence_stats.
8471 Don't call build_classic_dist_vector and build_classic_dir_vector.
8472 Update the parameters of initialize_data_dependence_relation and
8473 compute_all_dependences. Print the statistics from datadep_stats.
8474 (analyze_all_data_dependences): Static. Not used until the pass for
8475 checking the data dependences is contributed.
8476 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8477 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8478 (initialize_data_dependence_relation, compute_affine_dependence,
8479 analyze_all_data_dependences, compute_subscript_distance): Removed.
8480 (print_direction_vector): New.
8481 * lambda.h (gcd): ... here.
8482 (lambda_vector_gcd): Moved here from gcd_vector.
8483 * lambda-code.c (gcd, gcd_vector): Removed.
8484 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8485 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8487 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8489 * ipa-type-escape.c: Tidy some comments and white space.
8490 * tree-ssa-operands.c: Likewise.
8492 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8495 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8496 (dump_decl_name): Do not walk the decl tree chains.
8497 * tree-pass.h (TDF_CHAIN): Remove.
8499 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8501 * Makefile.in (C): Remove
8503 (.PHONY): Remove C and PROTO
8505 2006-02-20 Roger Sayle <roger@eyesopen.com>
8508 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8509 deprecated CHAR_TYPE tree code.
8511 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8513 * configure.ac (target_list): Add install-info, dvi, html.
8514 * configure: Regenerate.
8516 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8517 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8518 treelang/Make-lang.in: Do not use double-colon rules.
8520 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8522 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8523 (TMT_USED_ALONE): New macro.
8524 * tree-pass.h (PROP_tmt_usage): New property.
8525 (TODO_update_tmt_usage): New todo.
8526 * tree-ssa-alias.c (updating_used_alone): New variable.
8527 (recalculate_used_alone): New function.
8528 (compute_may_aliases): Set updating_used_alone, call
8529 recalculate_used_alone.
8530 * tree-sra.c (pass_sra): Note that this pass destroys
8531 PROP_tmt_usage, and add TODO_update_tmt_usage.
8532 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8533 * tree-flow.h (updating_used_alone): Prototype.
8534 (recalculate_used_alone): Ditto.
8535 * passes.c (execute_todo): Add code to set updating_used_alone,
8536 and call recalculate.
8537 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8538 for clobber if used alone, and add assert to verify used_alone
8541 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8543 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8544 for non tls symbols added.
8545 (legitimize_address): Do nothing for PLUS expressions if one of the
8546 addends is a tls symbol reference.
8548 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8552 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8554 * Makefile.in (BOOTSTRAPPING): New.
8555 (quickstrap): New definition if BOOTSTRAPPING=yes.
8557 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8558 * configure.ac: Substitute all_selected_languages with the languages
8559 that were configured. For all the other variables except
8560 lang_specs_files, include all the languages in the tree.
8561 * configure: Regenerate.
8563 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8564 if there is one. Run the commands to run fixincludes in the same
8567 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8568 * doc/install.texi: Document exact conventions for searching target tools.
8569 Document --with-build-time-tools. Document toplevel bootstrap. Document
8570 something more about building an Ada cross-compiler. Don't list GNU Make
8571 requirements which affect all platforms.
8573 2006-02-19 Roger Sayle <roger@eyesopen.com>
8576 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8577 only equivalent if the have both the same mode and precision.
8579 2006-02-20 Ben Elliston <bje@au.ibm.com>
8581 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8583 2006-02-19 Roger Sayle <roger@eyesopen.com>
8584 Steven Bosscher <stevenb.gcc@gmail.com>
8586 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8587 constant pool references to identify stack mode constants.
8588 * rtlanal.c (constant_pool_constant_p): New predicate to check
8589 whether operand is a floating point constant in the pool.
8590 * rtl.h (constant_pool_constant_p): Prototype here.
8591 * loop.c (scan_loop): Avoid hoisting constants from the constant
8592 pool on STACK_REGS targets.
8593 (load_mems): Likewise.
8594 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8595 loads into x87 registers expensive in terms of register pressure.
8597 2006-02-19 Roger Sayle <roger@eyesopen.com>
8599 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8600 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8602 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8604 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8605 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8607 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8609 * doc/invoke.texi: Document -fipa-pta.
8610 * common.opt: Add ipa-pta option.
8611 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8612 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8613 (do_ds_constraint): Ditto.
8614 (get_constraint_for): Only add to referenced_vars if
8615 referenced_vars exists.
8616 (insert_into_field_list): Rewrite to do this unsorted.
8617 (insert_into_field_list_sorted): Rename old insert_into_field_list
8619 (create_function_info_for): Use insert_into_field_list_sorted.
8620 (create_variable_info_for): Rewrite so it uses unsorted version,
8621 since the field list is sorted.
8622 (intra_create_variable_infos): Only add to referenced_vars if
8623 referenced_vars exists.
8624 (ipa_pta_execute): Init heapvars, and delete when done.
8625 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8627 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8629 * doc/install.texi: Add missing `@samp'.
8631 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8633 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8636 2006-02-18 Mark Wielaard <mark@klomp.org>
8638 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8639 who added new 4.1 features, bug fixes and integration support.
8641 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8644 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8647 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8649 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8650 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8651 (copy_insn_1): Likewise. Don't copy each field individually.
8653 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8655 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8656 * rtl.c (rtx_size): Rename variable to...
8657 (rtx_code_size): ...this.
8658 (rtx_size): New function.
8659 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8660 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8662 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8663 * rtl.h (rtx_code_size): New variable.
8664 (rtx_size): Change from a variable to a function.
8665 (RTX_SIZE): Rename to...
8666 (RTX_CODE_SIZE): ...this.
8669 PR tree-optimization/17106
8670 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8671 (Anchored Addresses): New section.
8672 * doc/invoke.texi (-fsection-anchors): Document.
8673 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8674 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8675 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8676 * hooks.c (hook_bool_mode_rtx_false): New function.
8677 * hooks.h (hook_bool_mode_rtx_false): Declare.
8678 * gengtype.c (create_optional_field): New function.
8679 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8680 SYMBOL_REF_IN_BLOCK_P is true.
8681 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8682 (min_anchor_offset, max_anchor_offset): Likewise.
8683 (use_anchors_for_symbol_p): New hook.
8684 * toplev.c (compile_file): Call output_object_blocks.
8685 (target_supports_section_anchors_p): New function.
8686 (process_options): Check that -fsection-anchors is only used on
8687 targets that support it and when -funit-at-a-time is in effect.
8688 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8689 if the decl doesn't have one.
8690 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8691 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8692 of force_const_mem through use_anchored_address.
8693 (expand_expr_constant): New function.
8694 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8695 calling expand_expr for INDIRECT_REF.
8696 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8697 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8698 * expr.h (use_anchored_address): Declare.
8699 * loop-unroll.c: Don't declare rtx vectors here.
8700 * explow.c: Include output.h.
8701 (validize_mem): Call use_anchored_address.
8702 (use_anchored_address): New function.
8703 * common.opt (-fsection-anchors): New switch.
8704 * varasm.c (object_block_htab, anchor_labelno): New variables.
8705 (hash_section, object_block_entry_eq, object_block_entry_hash)
8706 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8707 (use_blocks_for_decl_p, change_symbol_section): New functions.
8708 (get_variable_section): New function, split out from assemble_variable.
8709 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8710 use_blocks_for_decl_p say so. Use change_symbol_section if the
8711 symbol has already been created.
8712 (assemble_variable_contents): New function, split out from...
8713 (assemble_variable): ...here. Don't output any code for
8714 block symbols; just pass them to place_block_symbol.
8715 Use get_variable_section and assemble_variable_contents.
8716 (get_constant_alignment, get_constant_section, get_constant_size): New
8717 functions, split from output_constant_def_contents.
8718 (build_constant_desc): Create a block symbol if use_object_blocks_p
8719 says so. Or into SYMBOL_REF_FLAGS.
8720 (assemble_constant_contents): New function, split from...
8721 (output_constant_def_contents): ...here. Don't output any code
8722 for block symbols; just pass them to place_section_symbol.
8723 Use get_constant_section and get_constant_alignment.
8724 (force_const_mem): Create a block symbol if use_object_blocks_p and
8725 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8726 (output_constant_pool_1): Add an explicit alignment argument.
8727 Don't switch sections here.
8728 (output_constant_pool): Adjust call to output_constant_pool_1.
8729 Switch sections here instead. Don't output anything for block symbols;
8730 just pass them to place_block_symbol.
8731 (init_varasm_once): Initialize object_block_htab.
8732 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8733 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8734 (place_block_symbol, get_section_anchor, output_object_block)
8735 (output_object_block_htab, output_object_blocks): New functions.
8736 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8737 (TARGET_ASM_OUT): Include it.
8738 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8739 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8740 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8741 (TARGET_INITIALIZER): Include them.
8742 * rtl.c (rtl_check_failed_block_symbol): New function.
8743 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8744 (block_symbol, object_block): New structures.
8745 (rtx_def): Add a block_symbol field to the union.
8746 (BLOCK_SYMBOL_CHECK): New macro.
8747 (rtl_check_failed_block_symbol): Declare.
8748 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8749 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8750 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8751 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8752 * output.h (output_section_symbols): Declare.
8753 (object_block): Name structure.
8754 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8755 (default_use_anchors_for_symbol_p): Declare.
8756 * Makefile.in (RTL_BASE_H): Add vec.h.
8757 (explow.o): Depend on output.h.
8758 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8759 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8760 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8761 (rs6000_use_blocks_for_constant_p): New function.
8763 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8765 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8767 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8770 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8773 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8775 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8779 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8782 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8783 instead of DECL_REGISTER.
8785 2006-02-18 Olivier Hainque <hainque@adacore.com>
8788 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8790 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8793 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8794 * opth-gen.awk: Handle Var and InverseMask together.
8795 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8796 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8797 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8798 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8800 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8801 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8802 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8803 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8804 LINUX_DYNAMIC_LINKER): Define.
8805 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8806 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8808 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8809 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8810 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8811 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8812 (TARGET_C99_FUNCTIONS): Don't define.
8813 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8814 GLIBC_DYNAMIC_LINKER.
8815 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8816 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8817 GLIBC_DYNAMIC_LINKER64): Define.
8818 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8819 LINUX_DYNAMIC_LINKER64.
8820 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8821 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8822 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8823 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8824 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8825 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8826 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8827 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8828 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8829 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8830 and LINUX_DYNAMIC_LINKER32.
8831 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8832 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8833 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8834 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8835 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8837 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8838 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8839 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8840 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8841 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8842 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8843 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8844 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8845 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8846 LINUX_DYNAMIC_LINKER): Define.
8847 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8848 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8849 GLIBC_DYNAMIC_LINKER64): Define.
8850 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8851 LINUX_DYNAMIC_LINKER64.
8852 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8853 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8854 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8855 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8856 LINUX_DYNAMIC_LINKER): Define.
8857 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8858 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8859 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8860 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8861 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8862 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8863 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8864 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8865 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8866 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8867 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8868 * doc/invoke.texi (-muclibc): Remove caveat about supported
8871 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8873 * doc/cpp.texi (__TIMESTAMP__): Document.
8875 2006-02-17 Roger Sayle <roger@eyesopen.com>
8878 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8879 C is one less than the width of X (and related transformations).
8880 * simplify-rtx.c (simplify_unary_operation_1): Transform
8881 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8882 depending on STORE_FLAG_VALUE, were C is one less then the
8885 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8887 Fix PR tree-optimization/26341
8888 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8889 about NAME_MEMORY_TAG's.
8891 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8894 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8895 with hardware float support, and software float support. Add fcpy
8896 alternative to hardware patterns. Add alternatives to copy between
8897 general and floating-point registers to the 32-bit pattern.
8898 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8899 secondary reload to load a QI or HI mode constant into a floating
8901 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8902 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8904 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8907 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8909 (load_macho_picbase_di): Likewise.
8911 2006-02-16 Jeff Law <law@redhat.com>
8913 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8914 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8915 (ssa_name_nonzero_p): Likewise.
8916 (get_value_range): Return NULL if VRP is not running.
8917 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8918 VRP routines do not discover a range.
8919 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8920 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8921 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8922 (tree_expr_nonnegative_p): Similarly.
8923 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8924 (restore_nonzero_vars_to_original_value): Remove.
8925 (unsafe_associative_fp_binop): Remove.
8926 (tree_ssa_dominator_optimize): Remove initialization and
8927 finalization of nonzero_vars and nonzero_vars_stack.
8928 (dom_opt_initialize_block): No longer push marker on
8930 (dom_opt_finalize_block): No longer call
8931 restore_nonzero_vars_to_original_value.
8932 (record_equivalences_from_phis): No longer look for
8933 nonzero PHI arguments.
8934 (cprop_into_successor_phis): No longer propagate nonzero
8935 property into PHI arguments. Lose unused argument. Caller
8937 (record_equivalences_from_stmt): No longer record nonzero
8938 values for SSA_NAMEs.
8939 (lookup_avail_expr): No longer use nonzero_vars.
8941 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8942 for sizetype when sizetype is unsigned.
8944 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8946 PR rtl-optimization/25603
8947 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8948 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8949 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8950 with new meaning of SETS.
8952 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8957 * config/linux.opt: New file.
8958 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8959 LINUX_DYNAMIC_LINKER): Define.
8960 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8961 * config.gcc (*-*-linux*): Define extra_options.
8962 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8963 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8964 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8965 GLIBC_DYNAMIC_LINKER.
8966 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8967 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8968 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8969 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8970 * doc/invoke.texi (GNU/Linux Options): New section.
8972 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8974 * config/sparc/sparc.md (setjmp): Rewrite.
8975 (setjmp_32): Delete.
8976 (setjmp_64): Likewise.
8978 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8980 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8983 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8985 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8988 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8990 PR rtl-optimization/26296
8991 * Makefile.in (loop-invariant.c): Add except.h dependency.
8992 * loop-invariant.c: Include except.h.
8993 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8995 2005-02-16 Paul Brook <paul@codesourcery.com>
8997 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9000 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9002 PR rtl-optimization/25636
9003 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9004 when deciding whether an insn is an initializing insn.
9006 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9008 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9009 (tree_code_size): Ditto.
9010 * tree.h (struct tree_memory_tag): Remove parent_var.
9011 (struct tree_struct_field_tag): New.
9014 (union tree_node): Add sft member.
9015 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9017 (create_sft): Add size and offset argument, set SFT_OFFSET and
9019 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9020 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9021 * tree-flow-inline.h (get_subvar_at): Update for
9022 SFT_OFFSET/SFT_SIZE.
9023 (var_can_have_subvars): Ditto.
9024 (overlap_subvar): Ditto.
9025 * print-tree.c (print_node): Print out interesting things for
9027 * tree-flow.h (struct subvar): Remove offset and size members.
9028 * tree-ssa-operands.c (get_expr_operands): Update for
9029 get_indirect_ref_operands changes.
9030 (get_indirect_ref_operands): Call add_virtual_operand instead of
9031 add_stmt_operand. Only recurse on base var if requested.
9032 (access_can_touch_variable): New function.
9033 (add_stmt_operand): Split virtual operand handling into ...
9034 (add_virtual_operand): Here. Add offset, size, and for_clobber
9035 arguments. Prune alias sets.
9036 (add_call_clobber_ops): Call add_virtual_operand.
9038 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9041 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9043 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9044 than TREE_CODE as index into omp_clause_num_ops array.
9046 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9048 PR rtl-optimization/26184
9049 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9051 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9052 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9053 must_precede, must_follow and tobe_scheduled.
9056 * opts.c (common_handle_option): Free new_option pointer.
9057 * df-core.c (df_analyze): Free postorder pointer.
9059 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9061 * Makefile.in: Fix the examples about the use of stamps
9063 2006-02-15 Michael Matz <matz@suse.de>
9067 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9068 influenced by maximum_field_alignment or DECL_PACKED.
9069 (update_alignment_for_field): Ditto.
9070 (place_field): Ditto.
9071 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9074 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9076 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9077 (debug_flow_info): Pass it.
9078 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9079 * bb-reorder.c (reorder_basic_blocks): Likewise.
9080 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9081 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9082 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9083 * gcse.c (gcse_main, bypass_jumps): Likewise.
9084 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9085 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9086 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9087 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9088 * rtl.h (dump_flow_info): Adjust prototype.
9089 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9090 * var-tracking.c (variable_tracking_main): Likewise.
9091 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9092 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9095 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9097 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9100 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9102 PR tree-optimization/26209
9103 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9104 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9106 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9108 2006-02-14 Roger Sayle <roger@eyesopen.com>
9111 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9112 (X,Y) and the corresponding symmetry related transformations.
9113 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9114 (X,Y) and its symmetry related transformations.
9116 2006-02-14 Roger Sayle <roger@eyesopen.com>
9118 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9121 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9123 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9125 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9128 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9129 support COMDAT group.
9130 * configure: Regenerate.
9132 2006-02-14 Roger Sayle <roger@eyesopen.com>
9137 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9139 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9141 Fix PR tree-optimization/26260
9143 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9145 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9146 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9147 * tree-ssa-structalias.c (create_variable_info_for): Use
9148 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9150 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9152 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9154 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9155 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9156 of the ending condition.
9157 * tree-ssa-loop-manip.c: Include params.h.
9158 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9159 tree_unroll_loop): New functions.
9160 * tree-pass.h (pass_loop_prefetch): Declare.
9161 * loop.c (rest_of_handle_loop_optimize): Test for
9162 -fprefetch-loop-arrays-rtl.
9163 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9164 * timevar.def (TV_TREE_PREFETCH): New timevar.
9165 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9166 pass_loop_prefetch): New.
9167 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9168 (cleanup_tree_cfg_loop): Call scev_reset.
9169 * common.opt (fprefetch-loop-arrays-rtl): Add.
9170 * tree-ssa-loop-prefetch.c: New file.
9171 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9172 (new_temp_expr_table): Initialize expr_vars.
9173 (free_temp_expr_table): Cleanup expr_vars.
9174 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9175 expressions from being merged into one.
9176 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9177 (struct tree_niter_desc): Add control, bound and cmp fields.
9178 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9180 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9181 (tree-cfgcleanup.o): Add SCEV_H dependency.
9182 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9183 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9185 2006-02-14 Richard Guenther <rguenther@suse.de>
9187 PR tree-optimization/26258
9188 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9189 in PHI argument processing.
9191 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9193 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9194 new expression in the requested machine mode.
9196 2006-02-13 Roger Sayle <roger@eyesopen.com>
9198 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9199 directly, instead let do_compare_rtx_and_jump handle this for us.
9200 * expr.c (expand_expr_real_1): Likewise.
9201 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9202 before do_jump_by_parts_greater.
9203 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9204 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9206 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9208 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9210 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9212 PR rtl-optimization/26235
9213 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9214 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9217 2006-02-13 Jeff Law <law@redhat.com>
9219 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9222 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9225 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9226 twice if decl is a builtin. When trying again, call get_callee_fndecl
9227 first to verify it is still a builtin.
9229 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9231 * dwarf2out.c (base_type_die): Don't add AT_name here.
9232 (subrange_type_die): Don't add AT_name here.
9233 (modified_type_die): Rearrange code flow. Do add AT_name here.
9235 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9237 PR rtl-optimization/26247
9238 PR rtl-optimization/26248
9239 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9241 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9243 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9244 * config/fixtfdi.c: Likewise.
9245 * config/fixunstfdi.c: Likewise.
9246 * config/floatditf.c: Likewise.
9248 2006-02-13 Roger Sayle <roger@eyesopen.com>
9251 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9252 into (X,C2) if C1 is a subset of the bits of C2. Transform
9253 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9255 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9257 2006-02-13 Josh Conner <jconner@apple.com>
9260 * varasm.c (function_section): Check for section name before
9261 calling select_section on targets that define
9262 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9263 unlikely_text_section instead of hot_function_section if
9264 first_function_block_is_cold.
9266 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9269 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9271 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9273 PR rtl-optimization/26222
9274 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9275 after tree->rtl expansion.
9276 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9277 before passing it to emit_move_insn.
9279 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9281 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9283 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9284 Clarify documentation.
9285 * c-common.h (warn_write_strings): Remove.
9286 * c-common.c (warn_write_strings): Likewise.
9287 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9290 2006-02-12 Roger Sayle <roger@eyesopen.com>
9293 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9294 (do_jump_parts_zero_rtx): New function renamed from
9295 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9296 (do_jump_parts_equality_rtx): New function split out from
9297 do_jump_parts_equality. Old implementation renamed as above.
9298 Call do_jump_parts_zero_rtx if either operand is zero.
9299 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9300 do all of the heavy lifting.
9301 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9302 calling either do_jump_by_parts_greater_rtx or
9303 do_jump_by_parts_equality_rtx.
9304 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9305 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9306 moved to do_compare_rtx_and_jump, call it directly.
9307 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9308 mode argument. Call do_compare_rtx_and_jump.
9309 (emit_case_nodes): Update calls to do_jump_if_equal.
9311 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9313 PR rtl-optimization/26225
9314 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9316 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9318 PR rtl-optimization/26232
9319 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9321 2006-02-11 Jason Merrill <jason@redhat.com>
9324 * tree-inline.c (declare_return_variable): Just don't use the
9325 modify target if it's a gimple complex reg and the return slot
9328 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9330 * doc/contrib.texi: Update my entry.
9332 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9334 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9336 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9338 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9341 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9343 * doc/invoke.texi (-floop-optimize2): Removed.
9344 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9345 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9346 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9347 * common.opt (floop-optimize2): Removed.
9348 (fmove-loop-invariants): Enabled by default.
9350 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9352 * tree-if-conv.c (combine_blocks): Free the result of
9353 get_loop_exit_edges.
9355 2006-02-10 Jeff Law <law@redhat.com>
9357 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9359 PR tree-optimization/26213
9360 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9361 loop trying to follow SSA_NAME_VALUE chains.
9363 2006-02-10 Richard Guenther <rguenther@suse.de>
9365 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9366 deal with structures that end in implicitly variable sized arrays.
9368 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9370 PR rtl-optimization/24762
9371 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9374 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9376 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9377 (struct ivopts_data): Add regs_used field.
9378 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9379 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9380 instead of loop_data->regs_used;
9381 (free_loop_data): Do not free aux fields for loops.
9382 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9383 and tree_ssa_iv_optimize_finalize.
9385 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9387 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9389 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9392 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9393 computing the effective result type.
9395 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9398 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9399 (tree_overlaps_hard_reg_set): Declare.
9400 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9401 type and signature to match function type expected by walk_tree.
9402 (tree_overlaps_hard_reg_set): New function.
9403 (decl_conflicts_with_clobbers_p): Rename to:
9404 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9405 Use tree_overlaps_hard_reg_set. Changed caller.
9406 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9407 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9408 * cris.c (cris_md_asm_clobbers): Likewise.
9410 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9412 * reload1.c (emit_input_reload_insns): Delete code that tries to
9413 inherit using find_equiv_reg.
9415 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9417 * c-common.h (flag_const_strings): Don't declare.
9418 * c-common.c (flag_const_strings): Remove.
9419 * c.opt (fconst_strings): Remove.
9420 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9421 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9422 (c_common_init_options): Don't set flag_const_strings.
9423 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9425 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9427 * arm.md (tlobits_cbranch): New pattern.
9428 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9429 testing a single bit.
9431 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9434 * tree-ssa-pre.c (create_component_ref_by_pieces):
9435 Handle RETURN_DECL like VAR_DECL.
9437 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9440 * fold-const.c (fold_indirect_ref_1): Fold
9441 "*(foo *)&complexfoo" to "__real__ complexfoo"
9442 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9444 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9446 * tree-flow-inline.h (var_can_have_subvars):
9447 Volatile variables should not have subvariables.
9449 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9452 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9453 multiplying unsigned values.
9456 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9458 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9460 2006-02-08 Jason Merrill <jason@redhat.com>
9463 * tree.def: Elaborate on difference from MODIFY_EXPR.
9464 * doc/c-tree.texi (INIT_EXPR): Likewise.
9465 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9466 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9467 (gimplify_target_expr): Likewise.
9468 (gimplify_cond_expr): Remove target handling.
9469 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9470 (gimplify_expr): Clobber it here.
9471 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9472 Do return slot optimization if we have an INIT_EXPR.
9475 * tree-inline.c (declare_return_variable): Also clear
9476 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9479 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9482 * gimplify.c (gimplify_one_sizepos): Fix typo.
9484 2006-02-08 Jeff Law <law@redhat.com>
9486 PR tree-optimization/21417
9487 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9488 across a backedge if the control statement at the end of the
9489 block is data dependent on other statements in the same block.
9490 (record_temporary_equivalences_from_stmts): Remove over-conservative
9491 test for threading across backedges.
9493 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9494 control statement, handle all three special cases in the same
9495 manner as they all have the same desired solution. No longer
9496 special case edge flag updating when the post dominator is
9499 2006-02-08 Roger Sayle <roger@eyesopen.com>
9501 * tree.def (CHAR_TYPE): Remove.
9502 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9503 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9504 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9505 (gen_string_type_die): Delete unreachable function.
9507 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9508 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9509 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9510 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9511 * builtins.c (type_to_class): Likewise.
9512 * fold-const.c (fold_convert, build_range_check,
9513 merge_ranges): Likewise.
9514 * expr.c (count_type_elements): Likewise.
9515 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9516 * stor-layout.c (layout_type): Likewise.
9517 * ipa-type-escape.c (type_to_consider): Likewise.
9518 * gimplify.c (omp_firstprivatize_type_sizes,
9519 gimplify_type_sizes): Likewise.
9520 * explow.c (promote_mode): Likewise.
9521 * tree-sra.c (is_sra_scalar_type): Likewise.
9522 * varasm.c (output_constant): Likewise.
9523 * tree-inline.c (remap_type_1): Likewise.
9524 * convert.c (convert_to_pointer, convert_to_real,
9525 convert_to_integer, convert_to_complex): Likewise.
9527 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9529 * df-scan.c (df_def_record_1): A set destination may
9530 be a parallel regardless of mode.
9532 2006-02-08 Roger Sayle <roger@eyesopen.com>
9535 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9536 * config/mips/_tilib.c: Remove.
9537 * config/fixtfdi.c: New libgcc source file.
9538 * config/fixunstfdi.c: New source file.
9539 * config/floatditf.c: New source file.
9540 * config/floatunditf.c: New souce file.
9541 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9542 files above instead of config/mips/_tilib.c.
9543 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9545 2006-02-08 Jeff Law <law@redhat.com>
9547 PR tree-optimization/26169
9548 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9551 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9553 * df.h (DF_REG_SIZE): Return the length of the initialized
9556 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9558 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9559 __muldf3): Return a correctly signed zero.
9561 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9563 * passes.c (register_one_dump_file): Accept the current properties
9564 instead of pass number. Adjust call to dump_register. Remove
9566 (register_dump_files): Now a wrapper around...
9567 (register_dump_files_1): ... this one. Do not modify the pass
9569 (next_pass_1): Cosmetic fix.
9570 (execute_todo): Keep second parameter only. Use curr_properties
9571 instead of fetching it from the pass structure. Check and set
9573 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9574 instead of fetching it from the pass structure. Fix calls to
9575 execute_todo. Update curr_properties and initialize .vcg RTL dump
9576 after running the pass. Reset last_verified.
9577 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9579 (FIRST_AUTO_NUMBERED_DUMP): New.
9580 (dump_register): Remove "num" parameter, assign it within the
9582 (get_dump_file_name): Modify template for dumps.
9583 * tree-dump.h (dump_register): Adjust prototype.
9584 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9585 (PROP_trees): Add PROP_gimple_lomp.
9586 (TODO_set_props): New.
9587 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9588 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9589 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9591 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9593 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9594 (sparc64-*-linux*): Likewise.
9595 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9596 * config/sparc/t-linux: New file.
9597 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9598 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9599 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9600 -m32 -mlong-double-128.
9602 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9603 * config/alpha/t-linux: New file.
9604 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9606 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9607 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9608 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9609 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9610 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9611 (CPP_ARCH32_SPEC): Remove.
9613 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9615 PR tree-optimization/26145
9616 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9619 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9622 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9623 >= 240000 when generating code for SOM runtime.
9624 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9625 to $$dyncall when generating code for SOM runtime..
9627 2006-02-07 Dirk Mueller <dmueller@suse.com>
9630 * doc/invoke.texi (-Wsequence-point): Update documentation
9631 that -Wsequence-point is implemented for C++ as well.
9633 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9635 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9636 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9637 (LIB_SPEC): Likewise.
9638 * doc/invoke.texi (SPARC options): Document -pthread.
9640 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9642 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9645 2006-02-07 Roger Sayle <roger@eyesopen.com>
9647 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9648 Correct comment describing BOOLEAN_TYPE.
9650 2006-02-07 Dirk Mueller <dmueller@suse.com>
9652 * c.opt: C++ frontend supports -Wdiv-by-zero.
9653 * c-opts.c (c_common_handle_option): Remove dead case.
9655 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9657 * configure.ac (TLS assembler check): Do not enable TLS by
9658 default on SPARC/Solaris before version 10.
9659 * configure: Regenerate.
9661 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9663 * doc/invoke.texi (xl-compat): Document conversion and support
9666 2006-02-07 Jeff Law <law@redhat.com>
9668 * tree-vrp.c (find_conditional_asserts): Update comments.
9669 (simplify_stmt_for_jump_threading): New.
9670 (identify_jump_threads, finalize_jump_threads): New.
9671 (vrp_finalize): Call identify_jump_threads.
9672 (execute_vrp): Call finalize_jump_threads.
9673 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9674 (vrp_element, vrp_data, vrp_element_p): Remove.
9675 (vrp_hash_elt, vrp_variables_stack): Remove.
9676 (vrp_hash, vrp_eq, record_range): Remove.
9677 (simplify_cond_and_lookup_avail_expr): Remove.
9678 (extract_range_from_cond): Remove.
9679 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9680 (simplify_stmt_for_jump_threading): New.
9681 (dom_thread_across_edge): New wrapper.
9682 (tree_ssa_dominator_optimize): No longer initialize or
9683 finalize any of the VRP datastructures. Remove iteration
9684 step and simplify as a result of removal of iteration step.
9685 (pass_dominator): Perform a cfg cleanup after DOM.
9686 (dom_opt_finalize_block): Use the new common routines
9687 for threading jumps. Simplify stack management slightly.
9688 No longer need to unwind VRP state.
9689 (record_equivalences_from_incoming_edge): No longer record
9691 (eliminate_redundant_computations): No longer call
9692 simplify_cond_and_lookup_avail_expr.
9693 * tree-flow.h (potentially_threadable_block): Prototype.
9694 (thread_across_edge): Likewise.
9695 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9696 (tree-ssa-threadedge.o): Add dependencies.
9697 * tree-ssa-threadedge.c: New file.
9698 * passes.c (init_optimization_passes): Merge PHIs before
9699 calling VRP. Run VRP again late in the SSA optimization pipeline.
9701 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9703 * df-core.c (df_set_blocks): Do not dereference function pointers.
9704 (df_finish1): Likewise.
9705 (df_hybrid_search_forward): Likewise.
9706 (df_hybrid_search_backward): Likewise.
9707 (df_iterative_dataflow): Likewise.
9708 (df_analyze_problem): Likewise.
9709 (df_compact_blocks): Likewise.
9710 (df_dump): Likewise.
9711 * df-scan.c (df_rescan_blocks): Likewise.
9712 (df_record_entry_block_defs): Likewise.
9714 * genconditions.c (write_conditions): Guard the definition of
9715 'insn_conditions' with the check on GCC version.
9716 (write_writer): Guard the traversal 'insn_conditions' with
9717 the check on GCC version.
9719 2006-02-07 Richard Guenther <rguenther@suse.de>
9723 2006-01-30 Richard Guenther <rguenther@suse.de>
9725 * gimplify.c (gimplify_target_expr): Handle easy cases
9726 without creating a temporary.
9728 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9730 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9731 use of float in probability computations. Use edge probabilities
9732 in place of statically computed probabilities.
9733 (min_spec_prob): New static variable.
9734 (schedule_insns): Initialize it.
9735 (GET_SRC_PROB): Removed.
9736 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9738 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9741 * config/ia64/unwind-ia64.c: Revert last change.
9742 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9743 (INCOMING_FRAME_SP_OFFSET): Define.
9745 2006-02-06 Roger Sayle <roger@eyesopen.com>
9747 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9749 2006-02-07 Ben Elliston <bje@au.ibm.com>
9751 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9752 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9753 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9754 (ix86_return_in_memory): Handle TDmode.
9755 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9756 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9758 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9760 * reorg.c (dbr_schedule): Use dump_file instead of file.
9762 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9765 * config/ia64/predicates.md (extr_len_operand): New predicate.
9766 * config/ia64/ia64.md (extv): Tighten constraints.
9768 (*tbit_and_2): Ditto.
9769 (*tbit_and_3): Ditto.
9770 (*tbit_or_2): Ditto.
9771 (*tbit_or_3): Ditto.
9775 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9778 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9780 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9782 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9783 loop_optimizer_init and loop_optimizer_finalize
9784 * tree-ssa-sink.c (execute_sink_code): Ditto.
9785 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9786 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9787 tree_ssa_loop_done): Ditto.
9788 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9789 * sched-ebb.c: Include output.h.
9790 (schedule_ebbs): Do not use dump argument.
9791 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9792 * loop.c (loop_dump_stream): Removed.
9793 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9795 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9796 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9797 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9798 loop_iterations, strength_reduce, record_biv, record_giv,
9799 final_giv_value, check_final_value, check_ext_dependent_givs,
9800 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9801 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9802 dump_file instead of loop_dump_stream.
9803 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9805 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9807 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9808 * haifa-sched.c: Include output.h
9809 (schedule_insns, sched_init): Do not use dump argument.
9810 * mode-switching.c (optimize_mode_switching): Ditto.
9811 * modulo-sched.c (stats_file): Removed.
9812 (print_node_sched_params): Do not call argument dump_file.
9813 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9814 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9816 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9818 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9819 rtl_loop_init, rtl_loop_done): Ditto.
9820 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9821 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9823 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9824 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9825 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9826 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9827 * emit-rtl.c (renumber_insns): Ditto.
9828 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9829 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9830 * regclass.c (regclass): Ditto.
9831 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9832 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9833 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9834 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9836 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9837 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9839 * gcse.c (gcse_file, debug_stderr): Removed.
9840 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9841 rest_of_handle_gcse): Do not use dump argument.
9842 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9843 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9844 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9845 compute_code_hoist_vbeinout, compute_code_hoist_data,
9846 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9847 compute_store_table, build_store_vectors, insert_insn_start_bb,
9848 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9849 store_motion): Use dump_file instead of gcse_file.
9850 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9851 * profile.c (profile_dump_file): Removed.
9852 (branch_prob): Use dump_file instead of profile_dump_file.
9853 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9855 * tree-ssa-copy.c (dump_copy_of): Ditto.
9856 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9857 dump file to life_analysis.
9858 * bt-load.c (branch_target_load_optimize): Ditto.
9859 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9861 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9862 regclass, dbr_schedule): Declaration changed.
9863 * sched-int.h (sched_init): Declaration changed.
9864 * tree-profile.c (tree_profile_dump_file): Removed.
9865 (tree_profile_hooks): Removed profile_dump_file hook.
9866 * rtl-profile (rtl_profile_dump_file): Removed.
9867 (rtl_profile_hooks): emoved profile_dump_file hook.
9868 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9870 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9871 * tree-cfg.c (build_tree_cfg): Ditto.
9872 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9873 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9874 Declaration changed.
9875 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9876 life_analysis and schedule_insns.
9877 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9879 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9881 * config/mips/mips.c (mips_reorg): Ditto.
9882 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9885 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9887 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9888 (s390_mangle_fundamental_type): New.
9889 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9892 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9893 (alpha_mangle_fundamental_type): New.
9894 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9897 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9899 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9901 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9902 (sparc_mangle_fundamental_type): New.
9904 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9906 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9907 (s390x-*-linux*): Likewise.
9908 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9909 * config/s390/t-linux: New file.
9911 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9913 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9914 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9916 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9918 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9919 (ANTIC_SAFE_LOADS): New macro.
9920 (find_or_generate_expression): Add prototype.
9921 (set_contains_value): Allow null set for sake of not always having
9922 to allocate ANTIC_SAFE_LOADS.
9923 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9924 Allow COMPONENT_REF too.
9925 (valid_in_set): Allow COMPONENT_REF.
9926 Check ANTIC_SAFE_LOADS too.
9927 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9928 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9930 (can_PRE_operation): Add COMPONENT_REF.
9931 (create_component_ref_by_pieces): New function.
9932 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9933 (insert_aux): Move AGGREGATE_TYPE_P check here.
9934 (compute_avail): Set bb local stmt uids.
9935 (pass_pre): Use TODO_update_ssa_only_virtuals.
9937 2006-02-06 Ben Elliston <bje@au.ibm.com>
9939 * configure.ac: Unconditionally disable decimal float by default.
9940 * configure: Regenerate.
9942 2006-02-06 Ben Elliston <bje@au.ibm.com>
9944 * read-rtl.c (read_name): Terminate reading on EOF.
9946 2006-02-06 Ben Elliston <bje@au.ibm.com>
9948 * dfp.c (decimal_real_arithmetic): Change second argument type
9949 from int to enum tree_code. Do not always return true, but now
9950 return result of any call to decimal_do helper functions.
9951 * dfp.h (decimal_real_arithmetic): Update prototype.
9953 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9955 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9957 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9960 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9963 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9965 * tree-vrp.c (cfg_loops): Removed.
9966 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9967 Use current_loops instead of cfg_loops. Pass flags to
9968 loop_optimizer_init.
9969 * cfgloopmanip.c (fix_loop_structure): Update only available
9971 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9972 loop_optimizer_init.
9973 * modulo-sched.c (build_loops_structure): Removed.
9974 (sms_schedule): Use loop_optimizer_init.
9975 * loop-init.c (loop_optimizer_init): Use flags to determine
9976 which properties of loops to prepare.
9977 (rtl_loop_init): Pass flags to loop_optimizer_init.
9978 * tree-ssa-sink.c (execute_sink_code): Ditto.
9979 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9980 * tree-ssa-pre.c (init_pre): Ditto.
9981 * cfgloop.h (LOOPS_NORMAL): New.
9982 (loop_optimizer_init): Declaration changed.
9984 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9986 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9987 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9989 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9991 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9993 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9994 * pa/t-pa64: Delete quadlib.c rule.
9995 * pa/x-ada: Revert last change.
9996 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9998 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10000 PR rtl-optimization/26087
10001 * rtlanal.c (canonicalize_condition): Do not cross basic block
10004 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10007 * config/ia64/ia64.c: Include debug.h.
10008 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10009 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10010 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10011 (process_epilogue, process_set, process_for_unwind_directive):
10012 Output unwind info only if requested. Add CFA info if requested.
10013 Add new arguments as needed. Adjust callers.
10014 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10016 (DWARF2_FRAME_INFO): Define to zero.
10017 * config/ia64/unwind-ia64.c: Remove code that compensated for
10018 the CFA offset error fixed above.
10019 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10020 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10021 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10022 -funwind-tables and -fexceptions to enable frame info.
10023 (dwarf2out_frame_init): Define initial CFA even if
10024 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10025 DWARF2_UNWIND_INFO is nonzero, not just defined.
10026 (dwarf2out_frame_finish): Output non-EH call frame info only
10027 if DWARF2_FRAME_INFO is nonzero.
10028 (convert_cfa_to_loc_list,
10029 compute_frame_pointer_to_cfa_displacement): Define even if
10030 unwind info is not supported.
10031 (gen_subprogram_die): Use the above unconditionally. Remove
10032 legacy alternate code.
10033 * toplev.c (compile_file): Compile in call to
10034 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10035 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10037 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10038 Jakub Jelinek <jakub@redhat.com>
10040 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10041 IBM extended float format long double as "g" on powerpc*-linux.
10043 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10046 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10047 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10049 2006-02-03 Jason Merrill <jason@redhat.com>
10052 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10054 PR middle-end/25977
10055 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10056 on the return slot if it's an NRV.
10058 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10060 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10061 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10062 rewrite_use): Do not handle USE_OUTER.
10063 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10064 add_iv_outer_candidates, may_replace_final_value,
10065 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10066 (find_interesting_uses_op): Functionality of
10067 find_interesting_uses_outer_or_nonlin moved here.
10068 (find_interesting_uses_outside): Use find_interesting_uses_op.
10070 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10073 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10075 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10076 Ulrich Weigand <uweigand@de.ibm.com>
10079 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10080 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10081 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10082 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10084 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10085 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10086 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10087 Define secondary reloads for TFmode moves.
10088 (constant_modes): Add TFmode.
10089 (NR_C_MODES): Set to 8.
10090 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10092 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10093 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10094 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10095 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10096 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10097 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10098 (FPR mode macro): Add TFmode.
10099 (DSF mode macro): New.
10100 (<de>, <dee> mode attributes): Removed.
10101 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10102 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10103 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10104 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10105 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10106 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10107 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10108 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10109 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10110 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10111 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10112 "*negabs<mode>2", "sqrt<mode>2"):
10113 Changed <de> to <xde>. R constraint replaced by <Rf>.
10114 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10116 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10117 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10118 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10120 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10121 "extenddftf2", "extendsftf2"): New expanders.
10122 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10123 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10124 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10125 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10127 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10128 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10129 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10130 __floatditf): Add a GCC_4.1.0 symbol version tag.
10131 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10134 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10137 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10138 Use targetm.binds_local_p instead of TREE_PUBLIC.
10140 2006-02-02 Roger Sayle <roger@eyesopen.com>
10142 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10143 on INTEGER_TYPEs to indicate that it denotes a character type.
10144 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10145 signed_char_type_node, unsigned_char_type_node and char_type_node.
10146 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10147 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10148 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10150 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10151 Daniel Berlin <dberlin@dberlin.org>
10153 * tree-tailcall.c (arg_needs_copy_p): New function.
10154 (eliminate_tail_call): Use arg_needs_copy_p.
10155 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10156 (add_virtual_phis): New function.
10158 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10160 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10161 #ignore instead of #scratch for %g7 .register directive.
10163 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10165 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10168 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10170 * flow.c (calculate_global_regs_live): Assert that there aren't any
10173 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10175 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10176 what its name says.
10177 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10178 bsi_after_labels iterator.
10179 * tree-if-conv.c (find_phi_replacement_condition,
10180 replace_phi_with_cond_modify_expr): Likewise.
10181 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10182 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10184 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10186 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10188 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10191 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10192 array after growing it.
10194 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10196 PR middle-end/24901
10197 * fold-const.c (fold_checksum_tree): Change type of buf.
10199 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10201 * reload.c (push_secondary_reload): Initialize t_icode.
10203 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10205 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10206 -msoft-float -mlong-double-128 only issue a warning, but don't
10207 swich to DFmode long double.
10209 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10211 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10212 has a constant equivalent, iterate over equivalents for arg0,
10213 calling simplify_relational_operation and if there's a result
10214 cheaper than X, apply fold_rtx and return the result.
10216 2006-02-01 Jan Hubicka <jh@suse.cz>
10218 * opts.c (no_unit_at_a_time_default): New global variable.
10219 (decode_options): Use it.
10220 * opts.h (no_unit_at_a_time_default): Declare.
10222 2006-02-01 Paul Brook <paul@codesourcery.com>
10224 * function.c (assign_parm_setup_reg): Use function argument promotion
10226 * expr.c (expand_expr_real_1): Use function argument promotion rules
10229 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10231 * gcc.c (process_command): Change j to 'unsigned int'.
10233 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10235 PR middle-end/26001
10236 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10237 Use the corrected index for the character
10238 out of the string constant.
10240 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10242 * mode-switching.c (optimize_mode_switching): Fix size
10243 allocated for bb_info[n_entities].
10245 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10247 * gcc.c (main): Correct type that is allocated for
10248 explicit_link_files.
10250 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10252 * config/s390/s390.c (init_alignment_context): Set
10253 ALIAS_SET_MEMORY_BARRIER on the MEM.
10254 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10256 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10258 PR middle-end/25933
10259 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10261 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10264 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10266 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10267 * regrename.c: Ditto.
10268 * tree-ssa-loop-im.c: Ditto.
10269 * tree-dump.c: Ditto.
10270 * tree-complex.c: Ditto.
10271 * genrecog.c: Ditto.
10272 * tree-ssa-threadupdate.c: Ditto.
10274 * java/class.c: Ditto.
10275 * java/jcf-parse.c: Ditto.
10276 * java/resource.c: Ditto.
10277 * java/except.c: Ditto.
10278 * java/jvspec.c: Ditto.
10279 * java/jcf-write.c: Ditto.
10280 * java/jcf-path.c: Ditto.
10281 * java/gjavah.c: Ditto.
10282 * java/zextract.c: Ditto.
10283 * java/jcf-io.c: Ditto.
10284 * java/jcf.h: Ditto.
10285 * java/buffer.c: Ditto.
10286 * java/lang.c: Ditto.
10287 * java/parse-scan.y: Ditto.
10288 * java/lex.c: Ditto.
10289 * java/lex.h: Ditto.
10290 * cfgloopmanip.c: Ditto.
10291 * postreload-gcse.c: Ditto.
10292 * tree-ssa-loop-manip.c: Ditto.
10293 * postreload.c: Ditto.
10294 * tree-ssa-loop-ch.c: Ditto.
10297 * cppspec.c: Ditto.
10298 * diagnostic.c: Ditto.
10300 * genoutput.c: Ditto.
10302 * cfghooks.c: Ditto.
10303 * cfgloopanal.c: Ditto.
10304 * objc/objc-act.c: Ditto.
10306 * genextract.c: Ditto.
10307 * genautomata.c: Ditto.
10308 * pretty-print.c: Ditto.
10309 * genemit.c: Ditto.
10310 * cgraphunit.c: Ditto.
10312 * df-scan.c: Ditto.
10313 * haifa-sched.c: Ditto.
10314 * dominance.c: Ditto.
10316 * tree-ssa-loop-ivopts.c: Ditto.
10317 * df-core.c: Ditto.
10318 * mode-switching.c: Ditto.
10319 * modulo-sched.c: Ditto.
10321 * ipa-pure-const.c: Ditto.
10323 * fix-header.c: Ditto.
10325 * tree-stdarg.c: Ditto.
10326 * ipa-utils.c: Ditto.
10327 * loop-init.c: Ditto.
10328 * ipa-inline.c: Ditto.
10329 * cfganal.c: Ditto.
10331 * alloc-pool.c: Ditto.
10332 * dwarf2out.c: Ditto.
10334 * genattrtab.c: Ditto.
10335 * tree-ssa-loop-ivcanon.c: Ditto.
10336 * predict.c: Ditto.
10337 * timevar.c: Ditto.
10339 * fortran/gfortranspec.c: Ditto.
10340 * regmove.c: Ditto.
10341 * local-alloc.c: Ditto.
10342 * langhooks.c: Ditto.
10343 * function.c: Ditto.
10344 * tree-vectorizer.c: Ditto.
10346 * ipa-type-escape.c: Ditto.
10348 * tree-if-conv.c: Ditto.
10349 * profile.c: Ditto.
10351 * tree-data-ref.c: Ditto.
10352 * loop-unroll.c: Ditto.
10353 * treelang/treetree.c: Ditto.
10355 * bt-load.c: Ditto.
10356 * ggc-common.c: Ditto.
10358 * coverage.c: Ditto.
10360 * tree-cfgcleanup.c: Ditto.
10361 * tree-ssa-pre.c: Ditto.
10362 * cfgcleanup.c: Ditto.
10363 * loop-invariant.c: Ditto.
10364 * loop-iv.c: Ditto.
10365 * ipa-prop.c: Ditto.
10366 * print-tree.c: Ditto.
10367 * conflict.c: Ditto.
10368 * ggc-page.c: Ditto.
10369 * sched-deps.c: Ditto.
10370 * regclass.c: Ditto.
10371 * tree-object-size.c: Ditto.
10372 * combine.c: Ditto.
10373 * bb-reorder.c: Ditto.
10374 * resource.c: Ditto.
10375 * var-tracking.c: Ditto.
10376 * cfgloop.c: Ditto.
10377 * df-problems.c: Ditto.
10378 * reg-stack.c: Ditto.
10380 * gccspec.c: Ditto.
10381 * sched-rgn.c: Ditto.
10382 * tree-ssa-structalias.c: Ditto.
10383 * tree-ssa-reassoc.c: Ditto.
10384 * config/darwin-c.c: Ditto.
10385 * config/darwin.c: Ditto.
10386 * config/arm/arm.c: Ditto.
10388 * collect2.c: Ditto.
10389 * reload1.c: Ditto.
10391 2006-01-31 Nicolas Pitre <nico@cam.org>
10393 * arm.md (smaxsi3): Make aware of smax_m1.
10396 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10398 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10400 2006-01-31 Richard Guenther <rguenther@suse.de>
10402 * doc/invoke.texi (-msselibm): Document.
10403 * target.h (expand_library_builtin): New target hook.
10404 * builtins.c (expand_builtin): Use expand_library_builtin.
10405 (default_expand_library_builtin): New function.
10406 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10407 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10408 (link_gcc_math_spec): Declare.
10409 (static_specs): Add link_gcc_math_spec.
10410 * expr.h (default_expand_library_builtin): Declare.
10411 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10412 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10413 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10414 * config/i386/i386.opt (msselibm): New target option.
10415 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10416 (ix86_init_sse_abi_builtins): New function.
10417 (ix86_expand_library_builtin): Likewise.
10418 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10419 (override_options): Handle error conditions wrt -msselibm.
10420 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10421 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10422 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10425 2006-01-31 Richard Guenther <rguenther@suse.de>
10426 Paolo Bonzini <bonzini@gnu.org>
10428 * doc/install.texi (--disable-libgcc-math): Document.
10430 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10432 * expr.h (expand_normal): new inline function.
10433 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10434 * dojump.c: use it.
10435 * dwarf2out.c: use it.
10438 * expmed.c: use it.
10439 * except.c: use it.
10440 * config/sparc/sparc.c: use it.
10441 * config/i386/i386.c: use it.
10442 * config/rs6000/rs6000.c: use it.
10443 * config/arm/arm.c: use it.
10444 * config/mips/mips.c: use it.
10445 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10447 2006-01-30 Roger Sayle <roger@eyesopen.com>
10449 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10450 argv to the appropriate type.
10452 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10454 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10457 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10460 * config/s390/s390.c (struct machine_function): New flag
10461 decomposed_literal_pool_addresses_ok_p.
10462 (s390_reorg): Set it before final stage of literal pool transforms.
10463 (s390_decompose_address): Only accept displacements of the form
10464 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10466 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10468 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10469 the comparison routine return.
10471 2006-01-30 Michael Matz <matz@suse.de>
10473 * global.c (find_reg): Only evict for global regs.
10474 Take n_refs into account and dump more info.
10476 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10479 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10480 (pragma_trap, pragma_nosave_low_regs): Likewise.
10481 (current_function_anonymous_args): Likewise.
10482 (sh_deferred_function_attributes): New variable.
10483 (sh_deferred_function_attributes_tail): Likewise.
10484 (print_operand): For '@', look up trap_exit attribute.
10485 (calc_live_regs): Look up trapa_handler attribute. For trapa
10486 handlers, save/restore fpscr, but don't do any other
10487 interrupt-specific saves.
10488 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10489 Fix check for partially saved registers to check for SHmedia.
10490 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10491 (sh_output_function_epilogue): Don't clear any of the removed
10493 (sh_insert_attributes): Don't check pragma_interrupt.
10494 Insert deferred attributes. Check that interrupt attribute is
10495 present for other attributes that require its presence.
10496 (sh_attribute_table): Add new attributes trapa_handler and
10498 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10499 Don't check for pragma_interrupt. Don't store argument.
10500 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10501 (sh_deferred_function_attributes): Declare.
10502 (sh_deferred_function_attributes_tail): Likewise.
10503 * sh.md (sp_switch_1): Add operand. Change generator caller.
10504 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10505 (*return_i): Don't use when trap_exit attribute is in effect.
10506 (*return_trapa): New insn pattern.
10507 * sh-c.c: New file.
10508 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10509 setting c_target_objs and cxx_target_objs.
10510 * t-sh: Add rule for sh-c.o.
10512 2006-01-30 Richard Guenther <rguenther@suse.de>
10515 * gimplify.c (gimplify_target_expr): Handle easy cases
10516 without creating a temporary.
10518 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10520 * vec.h (safe_grow): Remove duplicated line.
10522 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10525 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10526 (expand_omp): ... here.
10527 (expand_omp_parallel): Only remove barriers for combined
10528 parallel+workshare constructs.
10530 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10534 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10535 * tree.c (build_qualified_type): Chain the new type to the original
10536 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10537 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10538 (build_pointer_type_for_mode): Only return unqualified types.
10539 (build_reference_type_for_mode): Likewise.
10541 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10543 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10544 * Makefile.in (CXX_COMPAT_WARN): Define.
10545 * configure: Regenerate.
10547 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10550 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10553 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10555 * toplev.c: Fix thinko.
10557 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10558 Marcin Dalecki <martin@dalecki.de>
10560 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10561 (push_srcloc): Use XNEW.
10562 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10564 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10566 * df-core.c (df_set_blocks): Deleted all variable.
10568 2006-01-28 Ian Lance Taylor <ian@airs.com>
10570 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10571 cgraph_output_pending_asms.
10573 2006-01-28 Zack Weinberg <zackw@panix.com>
10575 * c.opt: Add -W(no-)overlength-strings.
10576 * doc/invoke.texi: Document it.
10577 * c-opts.c (c_common_handle_option): -pedantic implies
10578 -Woverlength-strings, if not explicitly disabled already.
10579 (c_common_post_options): -Woverlength-strings defaults to off, and
10580 is always off for C++.
10581 * c-common.c (fix_string_type): Issue warning about strings longer
10582 than is portable only if warn_overlength_strings. Rearrange code
10583 a little for clarity.
10584 * configure.in: Check for -Wno-overlength-strings as well before
10585 enabling -pedantic in stage 1.
10586 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10587 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10589 * genconditions.c (write_header, write_one_condition)
10590 (write_conditions, write_writer): Consolidate very long strings
10591 that were broken up to fit in C89 portable limit. Don't use
10592 printf when fputs will do.
10594 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10596 * combine.c (simplify_comparison <AND>): Check
10597 TRULY_NOOP_TRUNCATION before start using a subreg.
10599 * config/mips/mips.md (*branch_zero<mode>,
10600 *branch_zero<mode>_inverted, *branch_equality<mode>,
10601 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10602 Remove mode check from comparisons.
10604 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10606 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10608 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10610 * expmed.c (const_mult_add_overflow_p): Remove.
10611 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10613 * recog.c (validate_replace_rtx_subexp): Remove.
10614 * recog.h: Remove the prototype for
10615 validate_replace_rtx_subexp.
10617 * integrate.h: Remove the prototype for
10618 copy_decl_for_inlining.
10619 * rtl.h: Remove the prototype for mark_constant_function.
10620 * tree-vectorizer.h: Remove the prototype for
10621 vect_strip_conversion.
10623 * modulo-sched.c (create_partial_schedule,
10624 free_partial_schedule, reset_partial_schedule): Make them
10627 * hooks.c (hook_bool_rtx_int_false): Remove.
10628 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10630 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10632 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10633 and -mlong-double-128 are incompatible.
10634 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10635 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10636 (TARGET_LIBGCC2_CFLAGS): Define.
10637 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10638 (TARGET_LIBGCC2_CFLAGS): Same.
10639 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10641 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10644 * c-typeck.c (build_binary_op): Perform implicit casts of
10645 operands before shortening them.
10647 * cfgloopmanip.c (split_loop_bb): Remove.
10648 * cfgloop.h: Remove the prototype for split_loop_bb.
10650 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10651 * cfgloop.h: Remove the prototype for
10652 flow_loop_outside_edge_p.
10654 * emit-rtl.c (init_virtual_regs): Make it static.
10655 * function.h: Remove the prototype for init_virtual_regs.
10657 * recog.c (peephole2_optimize): Make it static.
10658 * recog.h: Remove the prototype for peephole2_optimize.
10660 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10662 * df-scan.c (df_record_entry_block_defs): Check if
10663 INCOMING_RETURN_ADDR_RTX is defined.
10665 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10666 Kenneth Zadeck <zadeck@naturalbridge.com>
10668 PR rtl-optimization/24762
10669 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10670 * targhooks.c (hook_void_bitmap): New hook prototype.
10671 * targhoohs.h (hook_void_bitmap): Ditto.
10672 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10673 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10674 * target.h (live_on_entry): New function pointer.
10675 * df-scan.c (df_all_hard_regs): Removed.
10676 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10677 (df_scan_free_internal): Added df->entry_block_defs.
10678 (df_scan_alloc): Ditto.
10679 (df_scan_dump): Ditto.
10680 (df_uses_record): Plumbed flag field properly thru calls.
10681 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10682 This part fixes PR24762.
10683 (df_bb_refs_record): Added code to make the frame and arg
10684 pointers live in EH blocks.
10685 (df_refs_record): Added call to df_record_entry_block_defs.
10686 (df_record_entry_block_defs): New function.
10687 * df-core.c: Added comments to describe new artifical defs.
10688 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10689 (entry_block_defs): New field in struct df.
10690 (df_all_hard_regs): Deleted.
10691 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10692 * df-problems.c (df_ru_bb_local_compute_process_def):
10693 Added code to handle artifical defs in the entry to a function.
10694 (df_ru_bb_local_compute): Ditto.
10695 (df_rd_bb_local_compute_process_def): Ditto.
10696 (df_rd_bb_local_compute): Ditto.
10697 (df_lr_bb_local_compute): Ditto.
10698 (df_ur_bb_local_compute): Ditto.
10699 (df_urec_bb_local_compute): Ditto.
10700 (df_chain_create_bb): Ditto.
10701 (df_ur_local_finalize): Removed entry.
10702 (df_urec_init): Ditto.
10703 (df_urec_local_finalize): Ditto.
10704 (df_ri_bb_compute): Added detection of last use of pseudos.
10705 * Makefile.in (df-scan.o): Updated dependencies.
10706 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10707 * config/mips/mips.c (mips_set_live_on_entry): Added.
10708 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10710 * dce.c (marked_insn_p): Added code to handle artifical defs.
10712 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10714 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10716 (_mm_cvtsi128_si64): Likewise.
10717 (_mm_cvtsd_si64): Likewise.
10718 (_mm_cvttsd_si64): Likewise.
10719 (_mm_cvtsi64_sd): Likewise.
10720 (_mm_cvtsi64_si128): Likewise.
10721 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10722 (_mm_cvtsi64_m64): Likewise.
10723 (_m_to_int64): Likewise.
10724 (_mm_cvtm64_si64): Likewise.
10725 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10726 (_mm_cvttss_si64): Likewise.
10727 (_mm_cvtsi64_ss): Likewise.
10728 (_mm_cvtss_f32): Likewise.
10730 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10732 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10733 for pragma redefine_extname.
10735 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10738 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10739 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10740 -mno-minimal-toc to previous content.
10741 (bispecs): Remove goal.
10742 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10743 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10744 compatibility aliases on powerpc-*-*gnu*.
10745 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10746 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10747 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10748 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10749 (ldblspecs): New goal.
10750 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10751 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10753 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10754 L_sf_to_tf or L_df_to_tf is defined.
10756 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10757 Alan Modra <amodra@bigpond.net.au>
10760 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10761 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10762 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10763 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10764 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10765 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10766 (rs6000_override_options): Initialize rs6000_ieeequad.
10767 Initialize TFmode format to ibm_extended_format if not
10769 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10771 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10772 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10773 (function_arg_advance): IBM long double passed in two FPRs, not
10775 (function_arg): IBM long double passed in FPRs.
10776 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10777 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10778 Only multireg GPR aligned.
10779 (rs6000_init_libfuncs): Enable IBM long double functions if not
10781 (rs6000_generate_compare): Use IBM long double compare if not
10783 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10784 (TARGET_IEEEQUAD): Define.
10785 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10786 not TARGET_IEEEQUAD.
10787 * config/rs6000/rs6000.md: Enable TFmode patterns if
10789 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10790 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10791 and -mlong-double-128 are incompatible.
10792 * doc/invoke.texi (-mabi): Collect options together. Add
10793 ibmlongdouble and ieeelongdouble.
10795 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10797 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10799 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10800 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10801 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10802 * rtl.h (rtunion_def): Remove rt_ptr.
10804 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10805 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10806 * config/i386/winnt.c (i386_pe_mark_dllexport)
10807 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10809 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10811 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10813 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10817 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10818 pthread_key_delete. From John David Anglin. gthrw-ify
10819 pthread_getunique_np only if it it's not a macro. Delete
10821 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10822 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10823 __gthread_objc_condition_signal, __gthread_key_delete): Add
10824 "__attribute__ ((__unused__))" to unused arguments.
10825 (__gthread_recursive_mutex_init_function): Add missing return.
10826 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10827 gthr-posix95.h: Use macro-based approach for name redirection
10828 on targets missing weakref.
10830 2006-01-26 Zack Weinberg <zackw@panix.com>
10832 * genconditions.c (write_header): In generated code, #ifdef out
10833 all includes and fake declarations, except includes of bconfig.h
10834 and system.h, unless GCC_VERSION >= 3001. Do not include
10835 gensupport.h in any case.
10836 (write_conditions): Generate a definition of struct c_test. Add
10837 a comment to the generated #endif.
10838 (write_one_condition): Escape backslashes in string too.
10839 (write_writer): Generated code must escape backslashes and quote
10840 marks (but not newlines) in the strings it writes.
10841 * Makefile.in (build/gencondmd.o): Update dependencies.
10843 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10846 * Makefile.in (insn-automata.o): Add header file dependencies.
10847 * genautomata.c: Add includes.
10849 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10852 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10854 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10856 * configure.ac: Expect target tools paths to be passed from the toplevel
10857 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10859 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10861 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10864 * c.opt (Wpointer-sign): Init to -1.
10865 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10866 OPT_pedantic, to 0 otherwise.
10867 * doc/invoke.texi: Update.
10869 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10871 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10872 constants provided by 80387 instructions in the destination mode.
10874 2006-01-26 Richard Guenther <rguenther@suse.de>
10875 Andrew Pinski <pinskia@physics.uc.edu>
10878 partial PR tree-opt/17064
10879 * tree-ssa-structalias.c (intra_create_variable_infos):
10880 Create heap variables for incoming parameters if
10881 flag_argument_noalias > 1.
10882 (find_what_p_points_to): Look through default defs of
10885 2006-01-26 Jeff Law <law@redhat.com>
10888 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10889 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10890 within the VR_RANGE, use the VR_RANGE as the result, not the
10892 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10893 bounds for the type.
10895 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10897 * tree-ssa-alias.c (maybe_create_global_var): Change
10898 subvar walking to an assertion that we don't have subvar'd variables.
10900 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10903 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10904 Use a new variable, inner. PARM_DECLs are always non-weak.
10906 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10908 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10909 --disable-checking.
10911 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10913 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10915 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10917 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10918 (smax_insn, smin_insn, smax_0, smin_0): New.
10920 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10923 * config/cris/cris.c (cris_order_for_addsi3): New function.
10924 * config/cris/cris-protos.h: Prototype it.
10925 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10926 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10927 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10928 (split for "op.S1 [rx=rx+i],ry (swapped)")
10929 (split for "op(s|u).S1 [rx=rx+i],ry")
10930 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10931 Apply cris_order_for_addsi3 when generating addsi3 insns.
10933 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10935 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10936 (TREE_BLOCK): Add call to EXPR_CHECK.
10938 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10941 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10942 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10943 (dump_omp_clauses): ... here.
10944 (dump_generic_node): Handle OMP_CLAUSE.
10945 * tree.c (omp_clause_num_ops): New.
10946 (omp_clause_code_name): New.
10947 (tree_code_size): Handle OMP_CLAUSE.
10948 (tree_size): Likewise.
10949 (make_node): Document handling of OMP_CLAUSE.
10950 (tree_node_structure): Handle OMP_CLAUSE.
10951 (omp_clause_check_failed): New.
10952 (omp_clause_range_check_failed): New.
10953 (omp_clause_operand_check_failed): New.
10954 (build_omp_clause): New.
10955 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10956 * tree.h (enum omp_clause_code): Declare.
10957 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10958 (OMP_CLAUSE_RANGE_CHECK): Define.
10959 (OMP_CLAUSE_ELT_CHECK): Define.
10960 (omp_clause_check_failed): Declare.
10961 (omp_clause_operand_check_failed): Declare.
10962 (omp_clause_range_check_failed): Declare.
10963 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10964 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10965 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10966 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10967 (OMP_CLAUSE_IF_EXPR): Likewise.
10968 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10969 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10970 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10971 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10972 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10973 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10974 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10975 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10976 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10977 (OMP_CLAUSE_CODE): Define.
10978 (OMP_CLAUSE_SET_CODE): Define.
10979 (OMP_CLAUSE_CODE): Define.
10980 (OMP_CLAUSE_OPERAND): Define.
10981 (struct tree_omp_clause): Declare.
10982 (union tree_node): Add field 'omp_clause'.
10983 * treestruct.def (TS_OMP_CLAUSE): Define.
10984 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10985 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10986 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10987 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10988 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10989 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10990 (OMP_CLAUSE): Define.
10991 * print-tree.c (print_node): Handle OMP_CLAUSE.
10992 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10993 * c-typeck.c: Likewise.
10994 * gimplify.c: Likewise.
10995 * c-omp.c: Likewise.
10996 * tree-nested.c: Likewise.
10997 * tree-inline.c: Likewise.
10998 * c-parser.c: Likewise.
10999 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11002 2006-01-25 Roger Sayle <roger@eyesopen.com>
11004 PR rtl-optimization/25703
11005 * combine.c (try_combine): Handle zero_extract and strict_low_part
11006 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11008 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11010 * global.c: Fix comment typos.
11012 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11015 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11016 Use output_addr_const instead of assemble_name.
11018 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11020 * Makefile.in (sched-vis.o): Update dependencies.
11021 * haifa-sched.c (sched_finish): Clear current_sched_info.
11022 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11023 (dump_flow_info): Call it.
11024 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11026 * basic-block.h (dump_bb_info): Declare.
11027 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11028 option, and apply options only for dump files whose TDF_RTL,
11029 TDF_TREE, or TDF_IPA bits match.
11030 * rtl.h: Declare new functions exported from sched-vis.c.
11031 * sched-vis.c: Enable also if scheduling is not used.
11032 (print_value): Print the mode of registers if not inside scheduling.
11033 (print_insn): Make it work outside the scheduler. Beautify the output
11035 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11037 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11039 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11040 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11041 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11042 depending on the value of CONSTANT_POOL_ADDRESS_P.
11043 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11045 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11046 rather than SYMBOL_REF_DECL.
11047 (rtx_constant_pool): Remove const_rtx_sym_htab.
11048 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11049 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11050 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11051 Remove handling of const_rtx_sym_htab.
11052 (find_pool_constant): Delete.
11053 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11054 rather than find_pool_constant.
11055 (get_pool_constant_for_function): Delete.
11056 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11057 find_pool_constant.
11058 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11059 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11060 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11061 (SYMBOL_REF_CONSTANT): New macro.
11062 (get_pool_constant_for_function): Delete.
11063 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11064 rather than SYMBOL_REF_DECL.
11065 (i386_pe_mark_dllimport): Likewise.
11066 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11067 rather than SYMBOL_REF_DECL.
11068 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11069 (machopic_indirect_call_target): Likewise.
11071 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11073 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11075 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11077 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11079 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11081 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11083 2006-01-24 David Daney <ddaney@avtrex.com>
11086 * configure.ac (enable_tls): New enable option.
11087 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11088 * configure: Regenerate.
11089 * doc/install.texi (--enable-tls): Document new option.
11090 (--disable-tls): Ditto.
11092 2006-01-24 Richard Henderson <rth@redehat.com>
11094 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11095 * alias.c (true_dependence): Respect it.
11096 (canon_true_dependence, write_dependence_p): Likewise.
11097 * builtins.c (get_builtin_sync_mem): Set it.
11099 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11101 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11104 2006-01-24 DJ Delorie <dj@redhat.com>
11106 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11107 for storing constants in single-bit bitfields.
11109 2006-01-25 Ben Elliston <bje@au.ibm.com>
11111 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11113 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11116 * tree-ssa-pre.c (phi_translate): Return NULL
11117 for AGGREGATE_TYPE's.
11119 2006-01-24 Zack Weinberg <zackw@panix.com>
11121 * genautomata.c (process_state_for_insn_equiv_partition):
11122 Use xcalloc for insn_arcs_array.
11123 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11124 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11126 2006-01-24 Richard Henderson <rth@redhat.com>
11128 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11129 update all callers.
11131 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11133 PR rtl-optimization/25890
11134 PR rtl-optimization/25905
11135 * combine.c (expand_compound_operation, expand_field_assignment):
11136 Fail if the bitfield's final position is out of bounds.
11138 2006-01-24 Ian Lance Taylor <ian@airs.com>
11140 PR middle-end/25930
11141 * cgraphunit.c (cgraph_output_in_order): Don't clear
11142 cgraph_asm_nodes until after asm strings have been output.
11144 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11146 * fix-header.c (read_scan_file): Add new parameter imultilib when
11147 calling register_include_chains.
11149 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11151 * omp-low.c: Update documentation.
11153 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11154 Daniel Berlin <dberlin@dberlin.org>
11158 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11159 return from the function.
11161 2006-01-22 Zack Weinberg <zackw@panix.com>
11163 * rtl.def (match_code): Add second argument.
11164 * genpreds.c (write_extract_subexp): New function.
11165 (write_match_code): Add path argument. Use write_extract_subexp.
11166 (write_predicate_expr): Pass path to write_match_code.
11167 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11168 not perform a mode test.
11169 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11170 a subexpression does not constrain the top-level code set.
11171 * read-rtl.c (read_rtx_variadic): New function.
11172 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11173 * doc/md.texi: Document new notation.
11174 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11175 (cmpsi_operand): ... here, using new notation.
11177 2006-01-22 Zack Weinberg <zackw@panix.com>
11179 * varray.c: Remove GENERATOR_FILE #ifdefs.
11181 2006-01-22 Zack Weinberg <zackw@panix.com>
11183 * genautomata.c (output_reserved_units_table): Emit nothing if
11184 description->query_units_num is zero. Remove extra blank line.
11185 (output_cpu_unit_reservation_p): Short circuit
11186 if description->query_units_num is zero.
11188 2006-01-22 Zack Weinberg <zackw@panix.com>
11190 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11191 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11192 nor any of the random handful of variables that used to be necessary
11193 when this program was linked with rtlanal.o. Prune set of forward
11194 function declarations.
11195 (struct attr_desc): Remove static_p field.
11196 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11197 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11198 (attr_string): Do not read the character one past the length of
11200 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11201 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11202 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11203 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11204 (make_automaton_attrs): New.
11205 (main): Do not call into genautomata. Call local gen_bypass
11206 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11207 Remove special case for insn_alts.
11208 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11209 varray.h (leftover from previous change). Prune set of forward
11210 function declarations. Remove state_alts fields from all
11211 structures. Remove state_alts_table from struct automaton.
11212 Make everything except main static. Do not maintain num_dfa_decls.
11213 Do not maintain state_alts fields of various structures.
11214 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11215 (add_arc): Remove state_alts argument. All callers updated.
11216 (output_reserved_units_table): Emit #ifdef here...
11217 (output_tables): ...not here. Don't generate state_alts tables.
11218 (expand_automata): Don't generate attributes.
11219 (write_automata): Don't generate state_alts functions.
11220 (main): New function.
11221 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11222 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11223 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11224 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11225 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11226 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11227 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11228 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11230 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11231 * genattrtab.h: Delete file.
11232 * Makefile.in (OBJS-common): Add insn-automata.o.
11233 (insn-automata.o): New rule.
11234 (simple_generated_c): Add insn-automata.c.
11235 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11236 (genprogmd): Add automata.
11237 (build/genattrtab): Needs no extra objects nor libraries.
11238 (build/genautomata): Needs build/vec.o and -lm.
11240 2006-01-22 Zack Weinberg <zackw@panix.com>
11242 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11243 (output_dfa_max_issue_rate, locked_states_num): Delete.
11244 (struct automaton): Add locked_states field.
11245 (output_dead_lock_vect): Save number of locked states in
11246 automaton->locked_states. If it is zero, don't print anything.
11247 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11248 (output_internal_dead_lock_func): Only test the dead_lock_vect
11249 for automata that have locked states.
11250 (output_statistics): Always print the number of locked states for
11251 each automaton. Calculate total number of locked states here.
11252 (write_automata): Don't call output_dfa_max_issue_rate.
11253 * genattrtab.c: Define length_unit_log as a const variable.
11254 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11255 max_insn_queue_index const.
11256 * final.c (length_unit_log): Declare const.
11257 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11259 2006-01-22 Zack Weinberg <zackw@panix.com>
11261 * genautomata.c: Include vec.h, not varray.h.
11262 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11263 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11264 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11265 VEC_* macros operating on appropriately typed vectors, or to
11266 malloced arrays when the size is known in advance. Const-ify
11267 many char* variables and function arguments. No functional changes.
11268 * Makefile.in (build/varray.o): Delete rule.
11269 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11270 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11272 2006-01-22 Zack Weinberg <zackw@panix.com>
11274 * gensupport.c: Define get_insn_name and record_insn_name here.
11275 (read_md_rtx): Call record_insn_name as appropriate.
11276 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11277 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11278 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11280 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11281 (BUILD_VARRAY): Delete.
11282 (genprognormal): Rename genprogmd. Fold in all programs from
11283 genprognoprint; also attrtab.
11284 (build/genattrtab): Just mention genautomata.o and varray.o.
11285 Reorganize a bit, add comments to make the categories clearer.
11287 2006-01-22 Zack Weinberg <zackw@panix.com>
11289 * genconditions.c (condition_table, add_condition): Delete.
11290 (write_conditions): Don't emit n_insn_conditions nor
11291 insn_elision_unavailable. Issue the gcc version #ifdef here,
11292 inside the table, with no #else clause ...
11293 (write_header): ...not here.
11294 (write_writer): New function.
11295 (main): Don't initialize condition_table. Use add_c_test.
11297 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11298 files on the command line.
11299 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11300 Return -1 if there is no entry in the table, don't abort.
11301 (add_c_test, traverse_c_tests): New functions.
11302 * gensupport.h (insn_elision_unavailable, insn_conditions)
11303 (n_insn_conditions): Delete declarations.
11304 (add_c_test, traverse_c_tests): Declare.
11305 * read-rtl.c: Include gensupport.h.
11306 (read_conditions): New function.
11307 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11308 (read_rtx_1): If we get EOF when we were looking for an initial
11309 open paren, return 0. Call read_conditions when appropriate.
11310 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11311 dummy-conditions.o. Eliminate references to insn-conditions.o,
11312 or change them to build/gencondmd.o, as appropriate. Remove
11313 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11314 from $(simple_generated_c). For all files remaining in those
11315 two lists, add insn-conditions.md to the generator command line.
11316 Give insn-constants.h/s-constants their own rules. Add rules
11317 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11318 (build/read-rtl.o): Depend on gensupport.h.
11319 (genprognormal): Include preds.
11320 (genprogearly): Rename genprognoprint; only difference is now that
11321 they don't link with $(BUILD_PRINT).
11322 * dummy-conditions.c: Delete.
11324 2006-01-22 Zack Weinberg <zackw@panix.com>
11326 * genextract.c: Don't include insn-config.h. Do include vec.h.
11327 Declare vectors of int, char, and locstr.
11328 (locstr): New typedef.
11329 (struct extraction): Make all array fields into bare pointers.
11330 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11331 (insn_code_number): Delete.
11332 (accum_extract): New struct.
11333 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11334 (gen_insn): Take insn_code_number as an argument. Use an
11335 accum_extract structure instead of loading data directly into
11336 a struct extraction, and having to know how big it might get.
11337 (walk_rtx): Operate entirely on an accum_extract structure.
11338 (print_path): Avoid unnecessary use of printf.
11339 (print_header): New function, split out of main. Distinguish
11340 more carefully between an unrecognizable insn and an insn that
11341 has the code number of a define_expand.
11342 (main): Pass insn_code_number to gen_insn. Call print_header
11343 only after parsing. Avoid unnecessary use of printf.
11344 * Makefile.in (build/vec.o): New rule.
11345 (build/genextract): Depend on build/vec.o.
11346 (build/genextract.o): Don't depend on insn-config.h.
11348 2006-01-22 Zack Weinberg <zackw@panix.com>
11350 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11351 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11352 practical. Eliminate per-generator-program link rules.
11354 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11356 PR middle-end/24437
11357 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11358 with a call expr to ...
11359 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11361 2006-01-23 Richard Guenther <rguenther@suse.de>
11363 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11364 before make_edge with conditional EDGE_TRUE_VALUE.
11366 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11367 Jan Hubicka <jh@suse.cz>
11368 Richard Guenther <rguenther@suse.de>
11370 PR rtl-optimization/25654
11371 * cfgexpand.c (aggregate_contains_union_type): New function.
11372 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11373 for structure variables that contain a union type.
11375 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11377 * gengtype.c (new_structure): Return the structure.
11378 (create_option): Add an extra "next" argument.
11379 (create_field): New function.
11380 (adjust_field_rtx_def): Use create_option and create_field.
11381 Remove a now-unnecessary call to find_structure.
11382 (adjust_field_tree_def): Likewise.
11383 (note_yacc_type): Remove an unnecessary call to find_structure.
11384 * gengtype.h (new_structure): Return the structure.
11385 (create_option): Add an extra argument.
11386 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11387 (option): Adjust calls to create_option.
11389 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11391 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11393 2006-01-22 Paul Brook <paul@codesourcery.com>
11394 Peter Barada <peter@the-baradas.com>
11396 * config/m68k/m68k.md: Add Coldfire FPU support.
11397 Define FP mode macro and associated attributes.
11398 Use it for float mode patterns.
11399 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11400 (LIBCALL_VALUE): Use m68k_libcall_value.
11401 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11402 (m68k_function_value): Ditto.
11403 (emit_move_sequence): Ditto.
11404 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11405 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11406 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11407 (MULTILIB_EXCEPTIONS): Ditto.
11408 * config/m68k/m68k.opt: Add mcfv4e.
11409 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11410 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11411 (m68k_output_function_prologue): Save ColdFire FPU registers.
11412 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11413 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11414 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11415 ColdFire FPU registers.
11416 (m68k_libcall_value, m68k_function_value): New functions.
11417 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11418 (LIBCALL_VALUE): Use m68k_libcall_value.
11419 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11420 (MASK_COLDFIRE): Add MASK_CFV4E.
11421 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11422 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11423 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11424 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11425 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11426 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11427 * doc/invoke.tex: Document -mcfv4e on m68k.
11429 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11431 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11434 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11437 * c-opts.c (c_common_handle_option): Don't include
11438 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11439 * doc/invoke.texi (C++ Dialect Options): Document that
11440 -Wnon-virtual-dtor is no longer included in -Wall.
11442 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11444 * gcov.c (print_version), gcov-dump.c (print_version),
11445 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11448 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11450 * df-scan.c (problem_SCAN): Added NULL reset function.
11451 (df_scan_reset_blocks): Added code to call reset block function
11452 (df_bb_refs_delete) Fixed comment.
11453 (df_insn_refs_delete): Made tolerant of deleting non existent info
11454 for dataflow problems that need to be reset.
11455 * df-core.c (df_set_blocks): Ditto.
11456 * df.h (struct df_problem): Added reset_fun.
11457 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11458 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11459 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11460 functions to clear out all references to def-use or use-def chains.
11462 2006-01-21 Ben Elliston <bje@au.ibm.com>
11464 * varasm.c (assemble_real): Initialise data array.
11466 2006-01-20 Paul Brook <paul@codesourcery.com>
11468 Merge from csl-arm-branch.
11469 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11470 * config/arm/arm.md (movdi): Force operands[1] to a register
11471 if we have a non-register source.
11472 (*arm_movdi, *movdf_soft_insn): Require that one of the
11473 operands be a register.
11474 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11475 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11477 2006-01-20 DJ Delorie <dj@redhat.com>
11479 * varasm.c (initializer_constant_valid_p): Allow pointers
11480 initialized from integer constants of lesser precision.
11481 (output_constant): Allow non-int-sized pointer modes to be
11482 initialized from integer constants.
11484 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11487 * cppdefault.h (struct default_include): Add multilib flag.
11488 * cppdefault.c (cpp_include_defaults): Set it.
11489 * c.opt (-imultilib): New option.
11490 * c-opts.c (imultilib): New.
11491 (c_common_handle_option): Handle -imultilib.
11492 (c_common_post_options): Likewise.
11493 * c-incpath.c (add_standard_paths, register_include_chains):
11495 * c-incpath.h (register_include_chains): Add extra parameter.
11496 * gcc.c (do_spec_1): Generate -imultilib option.
11497 (The Specs Language): Update %I description.
11498 (process_command): Update copyright notice.
11499 * doc/cppopts.texi (-imultilib): Document.
11500 * doc/invoke.texi (-imultilib): Include in option summary.
11501 (%I): Update specs documentation.
11503 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11505 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11507 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11509 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11512 2006-01-20 Richard Guenther <rguenther@suse.de>
11513 Steven Bosscher <stevenb.gcc@gmail.com>
11515 PR rtl-optimization/24626
11516 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11517 EDGE_TRUE_VALUE if in RTL mode.
11520 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11521 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11523 2006-01-20 Dirk Mueller <dmueller@suse.com>
11526 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11527 instead of a special NOP marker.
11528 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11529 NOP marker handling.
11530 * c-common.h (empty_body_warning): Add forward declaration.
11531 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11532 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11534 2006-01-20 Paul Brook <paul@codesourcery.com>
11536 * Makefile.in (lang_checks): Keep going if mkdir fails.
11538 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11540 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11541 be able to clean out basic block when not necessary.
11542 (df_scan_free): Fixed to properly delete information if df is
11543 unused before calling df_finish.
11544 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11545 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11547 (df_bb_refs_delete): New function.
11548 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11549 * df-core.c (df_set_blocks): Added code to properly clean out
11550 unused blocks if they are not part of the blocks to consider.
11551 Added additional null check.
11552 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11553 be able to clean out basic block when not necessary
11554 * df.h (df_free_bb_function): Ditto.
11555 (df_bb_refs_delete): New function.
11556 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11557 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11558 basic block parameter to be able to clean out basic block when not
11560 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11561 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11562 Fixed to properly delete information if df is unused before
11565 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11567 PR rtl-optimization/25799
11568 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11569 Corrected confluence operator to remove bits from op2 before oring
11570 with op1 rather than removing bits from op1.
11571 (df_ru_transfer_function): Corrected test on wrong bitmap which
11572 caused infinite loop. Both of these problems were introduced in
11573 the dataflow rewrite.
11575 2006-01-19 DJ Delorie <dj@redhat.com>
11577 * reload1.c (find_reload_regs): Note the details of reload
11578 failures in the dump file.
11579 (spill_failure): Likewise.
11581 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11583 * loop-iv.c: Include df.h and hashtab.h.
11584 (enum iv_grd_result): New enum.
11585 (DF_REF_IV, DF_REF_IV_SET): New macros.
11586 (struct biv_entry): New.
11587 (df, bivs): New global variables.
11588 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11589 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11591 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11592 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11593 analyzed_for_bivness_p, record_biv): New functions.
11594 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11595 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11596 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11598 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11600 (iv_number_of_iterations): Use new interface to iv analysis.
11601 * loop-unroll.c: Do not include varray.h.
11602 (analyze_iv_to_split_insn): Use new interface to iv
11604 * loop-unswitch.c (may_unswitch_on): Ditto.
11605 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11607 (df_bb_modify): Realloc tables to the new index.
11608 (df_find_use): New function.
11609 * df.h (df_find_use): Declare.
11610 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11612 * cfgloop.h (struct rtx_iv): Remove analysed field.
11613 (iv_get_reaching_def): Removed.
11614 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11615 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11616 (loop-iv.o): Add df.h and hashtab.h dependency.
11617 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11619 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11622 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11624 (__floatundisf, __floatundidf): Likewise.
11625 * libgcc2.h (IS_IBM_EXTENDED): Define.
11627 2006-01-19 DJ Delorie <dj@redhat.com>
11629 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11631 2006-01-19 Paul Brook <paul@codesourcery.com>
11633 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11634 as nothrow when unwinding tables are disabled.
11636 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11639 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11640 of bit-field" when in system header.
11642 2006-01-19 DJ Delorie <dj@redhat.com>
11644 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11645 the 16 bit shift limit of the m16c.
11647 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11650 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11651 * config/i386/i386.c (output_set_got): Output the label if we have one
11652 for the TARGET_DEEP_BRANCH_PREDICTION case.
11654 2006-01-19 Jan Hubicka <jh@suse.cz>
11655 H.J. Lu <hongjiu.lu@intel.com>
11656 Evandro Menezes <evandro.menezes@amd.com>
11658 * invoke.texi (generic): Document
11660 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11661 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11662 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11663 (x86_use_incdec, x86_pad_returns): New variables
11664 (TARGET_CPU_DEFAULT_generic): New constant
11665 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11666 (enum processor_type): Add generic32 and generic64.
11667 * i386.md (cpu attribute): Add generic32/generic64
11668 (movhi splitter): Behave sanely when both partial_reg_dependency and
11669 partial_reg_stall are set.
11670 (K8 splitters): Enable for generic as well.
11671 * predicates.md (incdec_operand): Use TARGET_INCDEC
11672 (aligned_operand): Avoid memory mismatch stalls.
11673 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11674 * ppro.md: Enable for generic32
11675 * i386.c (generic64_cost, generic32_cost): New.
11676 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11677 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11678 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11679 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11680 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11681 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11682 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11683 x86_accumulate_outgoing_args, x86_prologue_using_move,
11684 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11685 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11686 Enable for generic.
11687 (x86_use_incdec, x86_pad_returns): New.
11688 (override_options): Add generic32 and generic64, translate "generic"
11689 to generic32/generic64 and "i686" to "generic32", refuse
11690 "generic32"/"generic64" as arch target.
11691 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11692 (ix86_reorg): Honor PAD_RETURNS.
11694 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11696 * tree-pretty-print.c (dump_generic_node): Handle
11697 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11698 * cgraph.c (cgraph_expand_queue): Rename from
11699 cgraph_analyze_queue. Update all users.
11700 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11701 cgraph_expand_queue.
11702 (cgraph_expand_all_functions): Likewise.
11703 (cgraph_finalize_pending_functions): Remove. Update callers.
11705 * tree.h (OMP_DIRECTIVE_P): Define.
11706 (OMP_PARALLEL_FN): Define.
11707 (OMP_PARALLEL_DATA_ARG): Define.
11708 (OMP_SECTIONS_SECTIONS): Define.
11709 * tree-pass.h (pass_expand_omp): Declare.
11710 * omp-low.c (struct omp_region): Declare.
11711 (struct omp_context): Remove fields 'parallel_type',
11712 'parallel_start_ix' and 'parallel_start_additional_args'.
11714 (struct omp_for_data): Rename from struct expand_omp_for_data.
11715 (omp_regions): New static variable.
11716 (root_omp_region): New static variable.
11717 (find_omp_clause): Make static.
11718 (is_in_combined_parallel_ctx): Remove.
11719 (is_combined_parallel): New.
11720 (extract_omp_for_data): Move earlier in the file.
11721 (workshare_safe_to_combine_p): New.
11722 (get_ws_args_for): New.
11723 (determine_parallel_type): Move earlier in the file.
11724 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11726 (omp_copy_decl): Likewise.
11727 (create_omp_child_function): Likewise.
11728 (lookup_omp_region): New.
11729 (dump_omp_region): New.
11730 (debug_omp_region): New.
11731 (debug_all_omp_regions): New.
11732 (new_omp_region): New.
11733 (scan_omp_parallel): If parallel_nesting_level > 1, the
11734 directive is nested within another parallel directive.
11735 Set OMP_PARALLEL_FN.
11736 (scan_omp_for): Do not try to handle combined parallel+for
11738 Remove FIXME comment.
11739 (scan_omp_nested): Remove.
11740 (scan_omp_1): Do not call scan_omp_nested when
11741 parallel_nesting_level is > 1.
11742 Do not change the DECL_CONTEXT of local variables found.
11743 (lookup_decl_in_outer_ctx): New.
11744 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11745 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11746 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11747 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11748 If CTX is nested, lookup VAR in the outer context when
11749 building copy assignment.
11750 (lower_send_clauses): Rename from expand_send_clauses.
11751 If CTX is nested, lookup VAR in the outer context when
11752 building copy assignments.
11753 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11754 If CTX is nested, lookup VAR in the outer context when
11755 building copy assignments.
11756 (expand_parallel_call): Rename from build_parallel_call.
11757 Handle combined parallel+workshare cases.
11758 Re-implement to emit code into the CFG.
11760 (expand_omp_parallel): Re-implement to emit code into the CFG.
11761 Call move_sese_region_to_fn to outline the sub-graph
11762 containing the parallel region.
11763 (expand_omp_for_1): Remove.
11764 (expand_omp_for_generic): Re-implement to emit code into the
11766 (expand_omp_for_static_nochunk): Likewise.
11767 (expand_omp_for_static_chunk): Likewise.
11768 (expand_omp_for): Likewise.
11769 (expand_omp_sections): Likewise.
11770 (remove_exit_barriers): New.
11771 (expand_omp_synch): New.
11773 (build_omp_regions_1): New.
11774 (build_omp_regions): New.
11775 (execute_expand_omp): New.
11776 (gate_expand_omp): New.
11777 (pass_expand_omp): Define.
11778 (lower_omp_sections): Rename from expand_omp_sections.
11779 Set OMP_SECTIONS_SECTIONS.
11780 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11781 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11782 (lower_omp_single): Rename from expand_omp_simple.
11783 (lower_omp_master): Rename from expand_omp_master.
11784 (lower_omp_ordered): Rename from expand_omp_ordered.
11785 (lower_omp_critical): Rename from expand_omp_critical.
11786 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11787 (lower_omp_for): Re-implement.
11788 (lower_omp_parallel): Re-implement.
11789 (lower_regimplify): Rename from expand_regimplify.
11790 (lower_omp_1): Rename from expand_omp_1.
11791 If there are syntax errors in the program, replace every
11792 OpenMP directive with NOP.
11793 Call lower_omp_* instead of expand_omp_*.
11794 (lower_omp): Rename from expand_omp.
11796 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11797 * tree-gimple.h (enum omp_parallel_type): Remove.
11798 (gimple_boolify): Declare extern.
11799 (find_omp_clause, determine_parallel_type): Remove.
11801 * gimple-low.c (lower_omp_directive): New.
11802 (lower_stmt): Call it.
11803 (record_vars_into): Move from ...
11804 (record_vars): ... here.
11805 Call record_vars_into with current_function_decl.
11807 * gimplify.c (struct gimplify_ctx): Remove fields
11808 combined_pre_p and combined_ctxp. Update users.
11809 (get_formal_tmp_var): Add documentation.
11810 (gimple_boolify): Make extern.
11811 (gimplify_expr_in_ctx): Remove. Update callers.
11812 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11813 will always be a BIND_EXPR.
11814 (gimplify_expr): Handle OMP_RETURN_EXPR.
11815 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11816 (OMP_PARALLEL): Add 3 operands.
11817 (OMP_SECTIONS): Add 1 operand.
11818 (OMP_RETURN_EXPR): Define.
11820 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11821 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11822 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11823 creating a circular free list.
11824 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11826 * tree-flow.h (move_sese_region_to_fn): Declare.
11827 (record_vars_into): Declare.
11828 * tree-cfg.c (make_omp_sections_edges): New.
11829 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11830 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11831 OMP_SECTIONS and OMP_SECTION.
11832 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11833 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11834 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11835 (gather_blocks_in_sese_region): New.
11836 (struct move_stmt_d): Declare.
11837 (move_stmt_r): New.
11838 (move_block_to_fn): New.
11839 (move_sese_region_to_fn): New.
11841 * passes.c (init_optimization_passes): Schedule
11842 pass_expand_omp after pass_init_datastructures.
11844 * tree-ssa-operands.c (get_expr_operands): Handle
11845 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11846 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11848 2006-01-19 Jeff Law <law@redhat.com>
11850 * tree-vrp.c (extract_range_from_assert): Refine the result range
11851 if the variable referenced by the ASSERT_EXPR has a range and
11852 either the tentative result range or the previous range is a
11855 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11857 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11859 2006-01-19 Jan Hubicka <jh@suse.cz>
11861 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11863 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11865 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11866 (expand_compound_operation, expand_field_assignment): Fail if the
11867 bit lengths of an extract operation are out of range.
11868 (make_extraction): Compute wanted_inner_mode based on the position
11869 and length of the extraction. Make it extraction_mode for non-constant
11870 positions, and do not modify offset in that case. When generating a
11871 new MEM, use a mode that can hold the extraction while keeping correct
11872 alignment. Remove code that supported MEMs wrapped by USEs.
11873 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11875 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11877 * config/s390/s390.md ("Y", "y"): New mode attribute.
11878 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11879 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11880 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11881 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11882 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11883 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11884 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11885 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11886 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11887 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11888 "addsi3", "subsi3"): Insn patterns removed.
11889 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11890 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11891 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11892 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11893 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11894 "*sub<mode>3_cconly2"): New insn patterns.
11895 ("addsi3", "subsi3"): New expanders.
11897 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11899 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11900 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11901 existing STMT_VINFO_VECTYPE if available.
11902 (vect_mark_relevant): Add special handling for stmts that are
11903 marked as STMT_VINFO_IN_PATTERN_P.
11904 (vect_analyze_loop): Call vect_pattern_recog.
11905 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11906 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11908 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11909 (vect_recog_func_ptr): New function-pointer type.
11910 * tree-vect-patterns.c: New file.
11911 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11912 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11913 (vect_pattern_recog_1): New functions.
11914 (vect_pattern_recog_funcs): New array of function pointers.
11916 * tree-vectorizer.h (ternary_op): New enum value.
11917 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11918 declaration. Revised documentation. Removed redundant dump prints.
11919 Removed redundant argument. Added support for reduction patterns.
11920 (vectorizable_reduction): Added support for reduction patterns.
11921 (vect_transform_stmt): Added support for patterns.
11923 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11924 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11925 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11926 (expand_widen_pattern_expr): New function.
11927 (init_optabs): Initialize new optabs udot_prod_optab,
11929 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11930 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11931 (expand_widen_pattern_expr): New function declaration.
11932 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11934 * tree-inline.c (estimate_num_insns_1): Added cases for new
11935 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11936 * tree-pretty-print.c (dump_generic_node): Likewise.
11937 (op_prio): Likewise.
11938 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11939 * tree-ssa-operands.c (get_expr_operands): Added case for
11941 * tree-vect-patterns.c (widened_name_p): New function.
11942 (vect_recog_dot_prod_pattern): Added function implementation.
11943 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11944 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11945 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11946 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11948 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11949 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11950 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11951 (init_optabs): Initialize new optabs widen_ssum_optab,
11953 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11954 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11955 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11956 use instead of type of def.
11957 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11958 function implementation.
11959 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11960 widen_ssumv8hi): New.
11962 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11965 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11968 * c-decl.c (add_flexible_array_elts_to_size): New function.
11969 (finish_decl): Use it.
11971 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11973 * diagnostic.h: Include options.h.
11974 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11975 dependancies for diagnostic.h.
11976 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11978 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11980 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11981 (ssa_ro_call_cache_valid): Ditto.
11982 * tree-ssa-alias.c (sort_tags_by_id): New function.
11983 (init_transitive_clobber_worklist): Ditto.
11984 (add_to_worklist): Ditto.
11985 (mark_aliases_call_clobbered): Ditto.
11986 (compute_tag_properties): Ditto.
11987 (set_initial_properties): Ditto.
11988 (compute_call_clobbered): Ditto.
11989 (compute_may_aliases): Call compute_call_clobbered and grouping.
11990 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11991 (compute_flow_insensitive_aliasing): Grouping now happens in our
11993 (setup_pointers_and_addressables): Remove clobbering related code.
11994 (add_may_alias): Ditto.
11995 (replace_may_alias): Ditto.
11996 (get_nmt_for): Ditto.
11997 (create_global_var):
11998 (is_escape_site): Return an escape_type enumeration.
11999 * tree-flow-inline.h (is_call_clobbered): Global var does not
12000 imply call clobbered.
12001 (mark_call_clobbered): Take a reason for marking this. Remove
12002 marking of globalness, and cache invalidation.
12003 (clear_call_clobbered): Remove cache invalidation code.
12004 * tree-dfa.c (dump_variable): If details is on, dump the reason
12006 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12008 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12009 (struct var_ann_d): Ditto.
12010 (enum escape_type): New.
12011 (mark_call_clobbered): Adjust prototype.
12012 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12013 are never call clobbered.
12014 Record reasons for escaping.
12015 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12016 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12017 (ssa_ro_call_cache_valid): Ditto.
12018 (clobbered_v_may_defs): Ditto.
12019 (clobbered_vuses): Ditto.
12020 (ro_call_vuses): Ditto.
12021 (clobber_stats): New.
12022 (init_ssa_operands): Zero out clobber stats.
12023 (fini_ssa_operands): Print out clobber stats.
12024 (get_call_expr_operands): Pass callee fndecl to
12025 add_call_read_ops).
12026 (add_call_clobber_ops): Remove use of cache.
12027 Add use of PURE_CONST information.
12028 (add_call_read_ops): Remove use of cache.
12029 Add use of static not_read information.
12031 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12033 Introduce TLS descriptors for i386 and x86_64.
12034 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12035 (TARGET_ANY_GNU_TLS): New macro.
12036 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12037 (struct machine_function): Add tls_descriptor_call_expanded_p.
12038 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12039 (ix86_current_function_calls_tls_descriptor): Likewise.
12040 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12041 (override_options): Introduce gnu2 tls dialect.
12042 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12044 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12046 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12047 (ix86_init_machine_status): Initialize new field.
12048 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12049 (ix86_tls_module_base): New.
12050 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12051 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12052 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12053 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12054 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12055 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12056 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12057 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12058 * config/i386/predicates.md (tls_modbase_operand): New.
12059 (tp_or_register_operand): New.
12061 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12063 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12064 (look_for_address_of): Ditto.
12065 (ipa_init): Walk the function decls.
12066 (static_execute): Don't set readonly on FUNCTION_DECL's.
12068 2006-01-18 Roger Sayle <roger@eyesopen.com>
12070 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12071 for shifts where the source and destination registers are different.
12073 2006-01-18 Paul Brook <paul@codesourcery.com>
12075 Merge from csl-arm-branch.
12076 2005-03-14 Julian Brown <julian@codesourcery.com>
12077 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12078 (aeabi_llsl): Likewise.
12079 (ashrdi3): Likewise.
12080 (aeabi_lasr): Likewise.
12081 (lshrdi3): Likewise.
12082 (aeabi_llsr): Likewise.
12083 2005-03-10 Julian Brown <julian@codesourcery.com>
12084 * config.gcc: Disable shared libgcc for SymbianOS.
12085 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12087 2006-01-18 DJ Delorie <dj@redhat.com>
12089 * c-pragma.c (handle_pragma_diagnostic): New.
12090 (init_pragma): Register it.
12091 * doc/extend.texi: Document it.
12093 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12094 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12095 (diagnostic_context): Add classify_diagnostic[].
12096 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12097 as errors if they're overridden to DK_WARNING.
12098 (diagnostic_initialize): Initialize classify_diagnostic[].
12099 (diagnostic_set_kind_override): New.
12100 (diagnostic_report_diagnostic): Check for kind changes.
12101 * opts.c (common_handle_option): Take lang_mask. Update callers.
12102 Handle OPT_Werror_.
12103 * common.opt (Werror=): New.
12104 * doc/invoke.texi: Document -Werror=*
12106 2006-01-18 Jeff Law <law@redhat.com>
12108 * tree-vrp.c (test_for_singularity): Correct test for new
12109 min limit. Use operand_equal_p rather than pointer equality
12110 for testing if new min/max values are equal.
12112 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12113 using range information until after propagation and folding.
12115 2006-01-18 Richard Henderson <rth@redhat.com>
12116 Aldy Hernandez <aldyh@redhat.com>
12117 Jakub Jelinek <jakub@redhat.com>
12118 Diego Novillo <dnovillo@redhat.com>
12120 * omp-low.c: New file.
12121 * c-omp.c: New file.
12123 2006-01-18 Richard Henderson <rth@redhat.com>
12124 Jakub Jelinek <jakub@redhat.com>
12125 Diego Novillo <dnovillo@redhat.com>
12127 * doc/invoke.texi: Document -fopenmp.
12128 * tree-dump.h (debug_function): Declare.
12129 * hooks.c (hook_bool_tree_bool_false): New function.
12130 (hook_tree_tree_null): Remove.
12131 (hook_tree_tree_tree_null): New.
12132 * hooks.h: Update to match.
12133 * tree-pretty-print.c (debug_tree_chain): New.
12134 (print_generic_expr): Handle TDF_CHAIN.
12135 (dump_generic_node): Handle BLOCK.
12136 Do not abort with incomplete SWITCH_EXPRs.
12137 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12138 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12139 print space after directive name.
12140 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12141 Handle OMP_MASTER and OMP_ORDERED.
12142 Handle printing of OMP_BODY just in one place, goto
12143 dump_omp_body in the rest of OMP_* nodes that have
12145 Don't handle clause nodes here. Update omp statements to
12146 use dump_omp_clauses.
12147 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12148 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12149 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12150 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12151 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12152 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12153 Adjust output for GOMP_PARALLEL.
12154 (dump_omp_clauses): New.
12155 (print_declaration): Dump DECL_VALUE_EXPR.
12156 (op_symbol_1): Split out of op_symbol.
12157 (dumping_stmts): Remove. Update all users.
12158 * cgraph.c (cgraph_analyze_queue): New.
12159 (cgraph_add_new_function): New.
12160 * cgraph.h (cgraph_analyze_queue): Declare.
12161 (cgraph_add_new_function): Declare.
12162 (cgraph_lower_function): Remove.
12163 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12164 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12165 and TYPE_P nodes in its default clause.
12166 (empty_body_p): New.
12167 (tree_range_check_failed): New.
12168 (build5_stat): New.
12169 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12170 OMP_CLAUSE_REDUCTION_MERGE,
12171 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12172 OMP_CLAUSE_PRIVATE_DEBUG,
12173 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12174 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12175 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12176 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12177 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12178 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12179 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12180 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12181 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12182 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12183 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12184 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12185 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12186 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12187 (TREE_RANGE_CHECK): New.
12188 (empty_body_p): Declare.
12189 (enum omp_clause_default_kind): New.
12190 (build_string_literal): Declare.
12191 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12192 (build5_stat, build5): Declare.
12193 * tree-pass.h (TDF_CHAIN): Define.
12194 * tree-pass.h (PROP_gimple_lomp): Define.
12195 (pass_lower_omp): Declare.
12196 * diagnostic.h (debug_tree_chain): Declare.
12197 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12199 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12200 * builtins.c (build_string_literal): Make extern.
12201 * gcc.c (include_spec_function): New.
12202 (static_spec_functions): Add it.
12203 (main): Move load of libgomp.spec ...
12204 (LINK_COMMAND_SPEC): ... here.
12205 (link_gomp_spec): New.
12206 (static_specs): Include it.
12207 (LINK_COMMAND_SPEC): Add link_gomp.
12208 (GOMP_SELF_SPECS): New.
12209 (driver_self_specs): Include it.
12210 (switch_matches): Don't mark inline.
12211 (main): Load libgomp.spec.
12212 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12213 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12214 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12215 * tree-gimple.h (enum omp_parallel): Declare.
12216 (determine_parallel_type): Declare.
12217 (omp_firstprivatize_variable): Declare.
12218 (omp_reduction_init): Declare.
12219 (diagnose_omp_structured_block_errors): Declare.
12220 (struct walk_stmt_info): Add want_return_expr.
12221 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12222 (find_omp_clause): Declare.
12223 (insert_field_into_struct): Declare.
12224 (struct walk_stmt_info): Move from tree-nested.c
12225 (walk_stmts): Declare.
12226 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12228 * cgraphunit.c (cgraph_lower_function): Make static.
12229 (cgraph_finalize_pending_functions): New.
12230 (cgraph_finalize_function): Call it.
12231 (cgraph_finalize_compilation_unit): Likewise.
12232 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12233 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12234 (BT_FN_UINT_UINT): New.
12235 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12236 DEF_FUNCTION_TYPE_VAR_4): Document.
12237 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12238 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12239 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12240 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12241 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12242 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12243 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12244 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12245 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12246 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12247 into separate files.
12248 (DEF_GOMP_BUILTIN): New.
12249 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12250 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12251 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12252 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12253 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12254 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12255 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12256 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12257 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12258 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12259 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12260 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12261 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12262 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12263 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12264 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12265 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12266 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12267 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12268 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12269 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12270 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12271 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12272 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12273 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12274 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12275 * sync-builtins.def: New file, moved from builtins.def.
12276 * omp-builtins.def: New file, moved from builtins.def.
12277 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12278 * gimple-low.c (lower_function_body): Clear data.
12279 (lower_stmt): Do not handle COMPOUND_EXPR.
12280 Remove call to print_node_brief.
12281 * c-tree.h (c_finish_omp_clauses): New prototype.
12282 (C_DECL_THREADPRIVATE_P): Define.
12283 (lookup_name_no_remap, c_omp_remap_private): Remove
12284 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12285 (check_for_loop_decls): Update decl.
12286 (lookup_name_no_remap, c_omp_remap_private): Declare.
12287 (build_indirect_ref, build_modify_expr, pushdecl,
12288 pushdecl_top_level): Move to c-common.h.
12289 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12290 before the switch, but just in the 2 places that need it.
12291 * c-decl.c (diagnose_mismatched_decls): Do not check for
12292 mismatched thread-local attributes when OLDDECL is marked
12293 threadprivate and NEWDECL has no thread-local attributes.
12294 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12295 (c_gimple_diagnostics_recursively): Rename from
12296 c_warn_unused_result_recursively. Invoke
12297 diagnose_omp_structured_block_errors.
12298 (check_for_loop_decls): Return a singular decl found.
12299 * langhooks.c (lhd_omp_predetermined_sharing): Return
12300 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12301 (lhd_omp_firstprivatize_type_sizes): New.
12302 (lhd_omp_assignment): New.
12303 (lhd_omp_predetermined_sharing): New.
12304 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12305 (struct lang_hooks_for_types): Add
12306 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12307 omp_predetermined_sharing, omp_disregard_value_expr,
12308 omp_private_debug_clause, omp_clause_default_ctor,
12309 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12310 (c_finish_omp_clauses): New.
12311 (c_finish_bc_stmt): Diagnose break within omp for.
12312 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12313 (build_unary_op): Return error_mark after reporting
12315 (build_modify_expr): Likewise.
12316 * gimplify.c: Include optabs.h and pointer-set.h.
12317 (enum gimplify_omp_var_data): Declare.
12318 (struct gimplify_omp_ctx): Declare.
12319 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12321 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12322 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12323 (splay_tree_compare_decl_uid): New.
12324 (new_omp_context): New.
12325 (delete_omp_context): New.
12326 (gimple_add_tmp_var): Call omp_add_variable.
12327 (gimplify_bind_expr): Likewise.
12328 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12329 true, disregard DECL_VALUE_EXPR on the decl if any.
12330 (gimplify_expr_in_ctx): New.
12331 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12332 omp_add_variable, omp_notice_variable, omp_is_private
12333 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12334 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12335 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12336 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12337 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12338 gimplify_omp_atomic): New.
12339 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12340 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12341 OMP_CRITICAL and OMP_ATOMIC.
12342 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12343 * c-pragma.h (enum pragma_kind): Add
12344 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12345 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12346 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12347 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12348 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12349 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12350 PRAGMA_OMP_THREADPRIVATE.
12351 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12352 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12353 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12354 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12355 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12356 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12357 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12358 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12359 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12360 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12361 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12362 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12363 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12365 (struct nesting_info): Add field_map,
12366 suppress_expansion, debug_var_chain.
12367 (create_nesting_tree): Initialize them.
12368 (lookup_field_for_decl): Use field_map.
12369 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12370 (convert_local_omp_clauses): New.
12371 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12372 (walk_body): Split out of walk_function.
12373 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12374 (convert_nonlocal_reference): Handle omp statements.
12375 (convert_local_reference): Likewise.
12376 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12377 (unnest_nesting_tree): New.
12378 (lower_nested_functions): Call it.
12379 (insert_field_into_struct): Make extern.
12380 (struct walk_stmt_info): Move to tree-gimple.h.
12381 (walk_stmts): Make extern.
12382 * omp-builtins.def: New file.
12383 * tree-iterator.c (expr_only): Clarify comment.
12384 * c-common.h (pushdecl_top_level, pushdecl,
12385 build_modify_expr, build_indirect_ref,
12386 c_finish_omp_master, c_finish_omp_critical,
12387 c_finish_omp_ordered, c_finish_omp_barrier,
12388 c_finish_omp_atomic, c_finish_omp_flush,
12389 c_finish_omp_for, c_split_parallel_clauses,
12390 omp_clause_default_kind, c_omp_sharing_predetermined,
12391 c_omp_remap_decl): Declare.
12392 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12393 (OBJS-common): Add omp-low.o.
12394 (c-omp.o, omp-low.o): Add.
12395 (gimplify.o): Add dependency on $(OPTABS_H).
12396 (GTFILES): Add omp-low.c.
12397 (gt-stringpool.h): Add.
12398 * tree-cfg.c (set_bb_for_stmt): Do not update the
12399 block-to-labels map if we are currently expanding to RTL.
12400 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12402 Handle IDENTIFIER_NODE.
12403 (tree_verify_flow_info): Do not ICE when emitting error
12404 messages about invalid labels.
12405 (dump_function_to_file): Reset CFUN before emitting the body
12407 (debug_function): New.
12408 * passes.c (init_optimization_passes): Schedule
12410 * langhooks-def.h (lhd_omp_predetermined_sharing,
12411 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12413 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12414 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12415 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12416 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12417 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12418 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12419 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12420 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12421 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12422 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12423 (LANG_HOOK_DECLS): Use them.
12425 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12426 Richard Henderson <rth@redhat.com>
12427 Jakub Jelinek <jakub@redhat.com>
12428 Diego Novillo <dnovillo@redhat.com>
12430 * c-parser.c (pragma_omp_clause): Define.
12431 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12432 (c_parser_compound_statement): Likewise.
12433 (c_parser_statement): Likewise.
12434 (c_parser_pragma): Handle omp pragmas.
12435 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12436 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12437 (c_parser_omp_clause_name, check_no_duplicate_clause,
12438 c_parser_omp_variable_list,
12439 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12440 c_parser_omp_clause_copyprivate,
12441 c_parser_omp_clause_default,
12442 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12443 c_parser_omp_clause_lastprivate,
12444 c_parser_omp_clause_nowait,
12445 c_parser_omp_clause_num_threads,
12446 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12447 c_parser_omp_clause_reduction,
12448 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12449 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12450 c_parser_omp_atomic, c_parser_omp_barrier,
12451 c_parser_omp_critical, c_parser_omp_flush,
12452 c_parser_omp_for_loop, c_parser_omp_for,
12453 c_parser_omp_master, c_parser_omp_ordered,
12454 c_parser_omp_sections_scope, c_parser_omp_sections,
12455 c_parser_omp_parallel, c_parser_omp_single,
12456 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12457 * c-pragma.c (init_pragma): Do omp pragma registration here.
12458 * c.opt (fopenmp): New flag.
12460 2006-01-18 Eric Christopher <echristo@apple.com>
12462 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12463 * config/darwin.h (GOMP_SELF_SPECS): Define.
12465 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12467 * rtl.h: Remove the prototype for reg_alloc.
12469 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12472 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12473 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12474 sjlj and dwarf2 exception handling.
12475 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12476 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12477 * pa/pa.c (function_value): Treat complex and vector types as
12479 (function_arg): Likewise. Only pass scalar floats in the floating
12480 point argument registers.
12481 * pa/t-slibgcc-dwarf-ver: New file.
12482 * pa/t-slibgcc-sjlj-ver: New file.
12483 * pa/t-slibgcc-elf-ver: Delete file.
12485 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12487 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12488 unlikely_test_section_p test.
12490 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12492 * mode-switching.c (optimize_mode_switching): Make it static.
12493 * basic-block.h: Remove the prototype for
12494 optimize_mode_switching.
12496 * modulo-sched.c (sms_schedule): Make it static.
12497 * rtl.h: Remove the prototype for sms_schedule.
12499 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12500 * rtl.h: Remove the prototype for gcse_after_reload_main.
12502 * reg-stack.c (reg_to_stack): Make it static.
12503 * rtl.h: Remove the prototype for reg_to_stack.
12505 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12507 * rtl.h: Remove the prototypes for regrename_optimize and
12508 copyprop_hardreg_forward.
12510 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12512 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12513 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12514 Test against the appropriate null constant for the mode.
12515 If 'fixup_overlap' is true, swap the operands if they overlap.
12516 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12517 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12518 alpha_split_tmode_pair and adjust for above change.
12519 * config/alpha/alpha.md (movtf_internal): Adjust call to
12520 alpha_split_tfmode_pair and rely on it to swap the operands.
12521 (movti_internal): New insn and post-reload splitter.
12522 (movti): New expander.
12524 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12526 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12529 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12531 * rtlanal.c (global_reg_mentioned_p_1,
12532 global_reg_mentioned_p): Remove.
12533 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12535 * flow.c (initialize_uninitialized_subregs): Make it static.
12536 * rtl.h: Remove the prototype for
12537 initialize_uninitialized_subregs.
12539 * function.c (instantiate_virtual_regs): Make it static.
12540 * function.h: Remove the prototype for
12541 instantiate_virtual_regs.
12543 * regmove.c (regmove_optimize, combine_stack_adjustments):
12545 * rtl.h: Remove the prototypes for regmove_optimize and
12546 combine_stack_adjustments.
12548 2006-01-17 Roger Sayle <roger@eyesopen.com>
12550 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12551 (size_cost): Encode costs in bytes so that a reg-reg addition is
12552 equivalent to COSTS_N_INSNS(1).
12553 (override_options): Use the size_cost.branch_cost as the default
12554 ix86_branch_cost when optimizing for size.
12556 2006-01-18 Ben Elliston <bje@au.ibm.com>
12558 * Makefile.in (D32PBIT_FUNCS): New.
12559 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12560 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12561 D64PBIT_FUNCS and D128PBIT_FUNCS.
12562 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12563 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12565 (decnumber_dep): Define.
12566 * doc/libgcc.texi (Decimal float library routines): New node.
12567 * config/dfp-bit.h, config/dfp-bit.c: New files.
12569 2006-01-18 Ben Elliston <bje@au.ibm.com>
12571 * expr.c (emit_move_change_mode): Always adjust addresses, not
12572 just during reload. Copy replacements only during reload.
12573 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12574 emit_move_via_integer.
12576 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12578 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12579 instead of $(srcdir) and ${srcdir}.
12581 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12584 PR middle-end/11135
12585 * arm.h (struct machine_function): Add pic_reg.
12586 * arm.c (arm_pic_register): Make unsigned.
12587 (arm_override_options): Only set arm_pic_register if
12588 TARGET_SINGLE_PIC_BASE.
12589 (use_return_insn): Only test for a pic register if it is fixed.
12590 (arm_compute_save_reg0_reg12_mask): Likewise.
12591 (thumb_compute_save_reg_mask): Likewise.
12592 (legitimate_pic_operand): Factor out some known invariants.
12593 (legitimize_pic_address): If we don't have a fixed pic register,
12594 then set up a pseudo in the function entry sequence. Handle the
12595 pic base being in a pseudo.
12596 (arm_load_pic_register): Handle the pic register being in a pseudo.
12597 (arm_expand_prologue): Only set up the pic register if it is fixed.
12598 (thumb_expand_prologue): Likewise.
12599 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12600 (pic_load_addr_based_insn): Likewise.
12601 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12604 2006-01-18 Ben Elliston <bje@au.ibm.com>
12606 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12607 decimal float modes for all floating point registers.
12609 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12610 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12612 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12615 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12616 even when the pointer is not NULL.
12618 2006-01-16 Ian Lance Taylor <ian@airs.com>
12620 * common.opt (ftoplevel-reorder): New option.
12621 * cgraph.c (cgraph_asm_nodes): New global variable.
12622 (cgraph_asm_last_node): New static variable.
12623 (cgraph_order): New global variable.
12624 (cgraph_create_node): Set new order field.
12625 (cgraph_varpool_node): Likewise.
12626 (decide_is_variable_needed): Return true if not
12627 flag_toplevel_reorder.
12628 (cgraph_add_asm_node): New function.
12629 * cgraph.h (struct cgraph_node): Add order field.
12630 (struct cgraph_varpool_node): Add order field.
12631 (struct cgraph_asm_node): Define.
12632 (cgraph_asm_nodes, cgraph_order): Declare.
12633 (cgraph_add_asm_node): Declare.
12634 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12636 (cgraph_varpool_assemble_pending_decls): Call it.
12637 (cgraph_output_pending_asms): New static function.
12638 (cgraph_finalize_compilation_unit): Call it.
12639 (struct cgraph_order_sort): Define.
12640 (cgraph_output_in_order): New static function.
12641 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12642 !flag_toplevel_reorder case.
12643 * c-parser.c: Include "cgraph.h".
12644 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12646 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12647 than -fno-unit-at-a-time.
12648 * doc/invoke.texi (Option Summary): Mention
12649 -fno-toplevel-reorder.
12650 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12651 -funit-at-a-time documentation.
12653 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12654 Kazu Hirata <kazu@codesourcery.com>
12656 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12658 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12660 * Makefile.in (FUNCTION_H): New. Use it instead of
12661 function.h throughout the file.
12662 * function.h: Include tree.h.
12664 2006-01-17 Ben Elliston <bje@au.ibm.com>
12666 * recog.c: Separate some functions with whitespace.
12668 2006-01-16 Richard Henderson <rth@redhat.com>
12670 Merge from gomp branch:
12671 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12672 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12673 and rename from struct inline_data. Rename callee* to dst*;
12674 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12675 transform_new_cfg, transform_return_to_modify, and
12676 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12678 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12679 (copy_decl_for_dup): Remove.
12680 * tree-inline.c (struct inline_data): Move to header.
12681 (insert_decl_map): Export.
12682 (remap_decl): Update for member name changes. Use copy_decl hook.
12683 Allow for replacement to be a non-decl. Remove dead code.
12684 (remap_type_1): Check for existing mapping.
12685 (remap_type): Export.
12686 (remap_decls): Update for member name changes.
12687 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12688 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12689 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12690 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12691 (tree_function_versioning, build_duplicate_type): Likewise.
12692 (copy_body_r): Likewise. Export.
12693 (copy_decl_for_dup): Split into ...
12694 (copy_decl_for_dup_finish, copy_decl_to_var,
12695 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12696 (replace_ref_tree, inlining_p): Remove.
12698 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12700 * ifcvt.c (if_convert): Make it static.
12701 * rtl.h: Remove the prototype for if_convert.
12703 * local-alloc.c (local_alloc): Make it static.
12704 * rtl.h: Remove the prototype for local_alloc.
12706 * loop.c (loop_optimize): Make it static.
12707 * cfgloop.h: Remove the prototype for loop_optimize.
12710 2006-01-16 DJ Delorie <dj@redhat.com>
12712 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12715 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12717 * pa.md: Disparage copies between general and floating-point registers
12718 in 32-bit move patterns.
12720 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12723 * Makefile.in (check-%): Depend on site.exp instead of
12724 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12727 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12729 * global.c (global_alloc): Make it static.
12730 * rtl.h: Remove the prototype for global_alloc.
12732 2006-01-16 Richard Guenther <rguenther@suse.de>
12734 * tree-ssa-alias.c (struct used_part): Add write_only field.
12735 (get_or_create_used_part_for): Initialize it to true.
12736 (create_overlap_variables_for): Don't create structure variables
12737 for structures that only are written to.
12738 (find_used_portions): Handle MODIFY_EXPR to track whether a
12739 structure is only written to.
12741 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12743 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12745 * basic-block.h: Remove the prototype for
12746 partition_hot_cold_basic_blocks.
12748 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12750 * cppspec.c (lang_specific_spec_functions): Remove.
12751 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12752 * gcc.h (lang_specific_spec_functions): Remove.
12753 * gccspec.c (lang_specific_spec_functions): Remove.
12755 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12757 * combine.c (record_value_for_reg): Invalidate registers
12759 (record_dead_and_set_regs_1): Likewise, by passing them to
12760 record_value_for_reg.
12761 (record_dead_and_set_regs): Invalidate stores made by a
12762 call. We do not combine across a call, but we still
12763 relied on equivalences.
12765 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12767 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12768 vrp_int_const_binop returning non-constant nodes.
12770 2006-01-16 Paul Brook <paul@codesourcery.com>
12772 * config/m68k/m68k.c (output_move_const_into_data_reg):
12773 Output correct mnemonic for mvz and mvs.
12775 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12777 * rtl-factoring.c: Add sequence abstraction algorithm.
12778 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12779 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12781 (block_has_preserve_label): New function.
12782 * common.opt: Register new pass.
12783 * Makefile.in: Ditto.
12785 * timevar.def: Ditto.
12786 * tree-pass.h: Ditto.
12787 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12788 * rtl.h (make_jump_insn_raw): Add forward decl.
12789 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12791 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12792 Roger Sayle <roger@eyesopen.com>
12794 * fold-const.c (fold_minmax): New static function.
12795 (fold_binary) <MIN_EXPR>: Call it.
12796 <MAX_EXPR>: Likewise.
12797 * stor-layout.c (place_field): Use DECL_SIZE consistently
12798 in the computation of the new record size.
12800 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12802 * cse.c (cse_condition_code_reg): Make it static.
12803 * rtl.h: Remove the prototype for cse_condition_code_reg.
12805 * combine.c (combine_instructions): Make it static.
12806 * rtl.h: Remove the prototype for combine_instructions.
12808 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12811 * tree.c (get_file_function_name_long): Concatenate the first global
12812 object name with a string derived from the input filename of the object
12815 2006-01-16 Ben Elliston <bje@au.ibm.com>
12817 * config/i386/winnt-stubs.c: Update FSF address.
12818 * config/xtensa/ieee754-df.S: Ditto.
12819 * config/xtensa/ieee754-sf.S: Ditto.
12821 2006-01-14 Ian Lance Taylor <ian@airs.com>
12823 * ifcvt.c (noce_init_if_info): New static function, broken out of
12824 noce_process_if_block.
12825 (noce_process_if_block): Call noce_init_if_info.
12826 (check_cond_move_block): New static function.
12827 (cond_move_process_if_block): New static function.
12828 (process_if_block): Call cond_move_process_if_block.
12830 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12832 * cselib.c (hash_table): Rename to cselib_hash_table.
12833 (cselib_clear_table, discard_useless_values,
12834 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12835 cselib_init, cselib_finish): Adjust uses of hash_table.
12837 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12839 PR tree-optimization/25485
12840 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12841 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12842 is known to be false and true, respectively.
12844 2006-01-14 Richard Guenther <rguenther@suse.de>
12846 PR tree-optimization/22548
12847 PR tree-optimization/22555
12848 PR tree-optimization/22501
12849 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12850 * params.def (salias-max-array-elements): New parameter.
12851 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12852 * doc/invoke.texi (salias-max-array-elements): Document.
12853 * tree-flow-inline.h (var_can_have_subvars): We also handle
12855 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12857 * tree-ssa-structalias.c (params.h): Include.
12858 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12859 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12860 (get_constraint_for): For ADDR_EXPR operating on something
12861 containing an ARRAY_REF, add all subvars to the solution.
12862 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12863 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12864 for creating MUST_DEFs.
12865 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12867 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12869 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12871 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12872 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12873 number_of_iterations_le): New functions.
12874 (number_of_iterations_special): Removed.
12875 (number_of_iterations_exit): Do not use number_of_iterations_special.
12876 * tree.c (unsigned_type_for): Always return integer type.
12878 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12879 Richard Guenther <rguenther@suse.de>
12881 PR rtl-optimization/24257
12882 * gcse.c (find_moveable_store): Only consider a store movable
12883 when the SET_SRC of the insn can be assigned to a register.
12885 2006-01-14 Ian Lance Taylor <ian@airs.com>
12887 * tree.c (tree_not_class_check_failed): New function.
12888 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12889 (tree_not_class_check_failed): Declare.
12891 2006-01-13 Ian Lance Taylor <ian@airs.com>
12893 * reload1.c (do_output_reload): Add assertion rejecting a
12896 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12898 * combine.c (struct reg_stat): Add new fields truncation_label and
12900 (record_value_for_reg): Reset truncated_to_mode.
12901 (record_truncated_value): New function.
12902 (check_promoted_subreg): Call it. Rename to check_conversions.
12903 (combine_instructions): Rename check_promoted_subreg to
12905 (reg_truncated_to_mode): New function.
12906 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12907 (gen_lowpart_or_truncate): New function.
12908 (force_to_mode): Use it instead of gen_lowpart.
12910 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12912 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12913 VAR is a tag, not its type tag.
12915 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12917 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12918 alternatives to match style of other entries.
12919 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12921 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12923 PR tree-optimization/25771
12924 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12927 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12930 * tree-inline.c (declare_return_variable): If the return variable
12931 was marked as a non gimple complex, set the return slot variable
12932 to be a non gimple comple variable.
12934 2006-01-13 Richard Guenther <rguenther@suse.de>
12936 * builtins.c (expand_builtin_sincos): New function.
12937 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12939 (expand_builtin): Expand sincos using expand_builtin_sincos.
12941 2006-01-12 DJ Delorie <dj@redhat.com>
12943 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12944 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12945 so that constant shifts can be split.
12946 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12947 (m32c_valid_pointer_mode): Make static.
12948 (shift_gen_func_for): New.
12949 (m32c_prepare_shift): Use it. Split large const shifts into
12951 * config/m32c/predicates.md (shiftcount_operand): Allow more
12953 (longshiftcount_operand): New.
12954 * doc/md.texi (Machine Constraints): Document In6.
12956 2006-01-13 Ben Elliston <bje@au.ibm.com>
12958 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12959 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12962 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12964 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12965 to try to avoid clobbering pieces of structures when we know
12966 something about the whole structure.
12967 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12969 2006-01-13 Ben Elliston <bje@au.ibm.com>
12971 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12972 return in memory, as this is no limitation is no longer present.
12974 2006-01-12 DJ Delorie <dj@redhat.com>
12976 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12977 mova with fb, and for fb+0 -> An.
12979 * config/m32c/mov.md (peephole2): Fix enabling logic.
12981 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12982 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12983 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12984 FINI_ARRAY_SECTION_ASM_OP): Define.
12986 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12988 (m32c_legitimize_reload_address): New logic to reload FB to An.
12989 (m32c_output_reg_push): Add newline.
12990 (m32c_output_reg_pop): Likewise.
12992 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12994 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12996 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12998 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13000 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13002 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13005 2006-01-11 Ben Elliston <bje@au.ibm.com>
13007 * rtlanal.c (find_reg_note): Assert insn is not null.
13009 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13011 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13014 2006-01-11 Jeff Law <law@redhat.com>
13016 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13018 (mark_threaded_blocks, register_jump_thread): New functions.
13019 (thread_through_all_blocks): Remove unwanted argument. No
13020 longer rely on e->aux to communicate thread target info.
13021 Call mark_threaded_blocks. Release the threaded_blocks
13022 bitmap and threaded_edges vector when complete.
13023 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13024 (threaded_blocks): Remove.
13025 (tree_ssa_dominator_optimize): Remove initialization and
13026 finalization of threaded_blocks. Simplify call to
13027 thread_through_all_blocks.
13028 (thread_across_edge): Call register_jump_thread rather than
13029 storing thread information into e->aux.
13030 (free_all_edge_infos): Simplify now that e->aux is no longer
13031 used to communicate with thread_through_all_blocks.
13032 * tree-flow.h (thread_through_all_blocks): Update prototype.
13033 (register_jump_thread): Prototype.
13035 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13037 * df-core.c (df_compact_blocks, df_bb_replace): Use
13038 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13040 2006-01-11 Richard Guenther <rguenther@suse.de>
13042 PR tree-optimization/25734
13043 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13044 stop propagation after successful propagation to the LHS.
13046 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13048 * basic-block.h (control_flow_graph): Change the type of
13049 x_basic_block_info to VEC(basic_block,gc) *.
13050 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13052 (SET_BASIC_BLOCK): New.
13053 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13054 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13055 * cfgbuild.c (find_basic_blocks): Likewise.
13056 * cfglayout.c (fixup_reorder_chain): Likewise.
13057 * cfgrtl.c (create_basic_block_structure,
13058 rtl_create_basic_block): Likewise.
13059 * ifcvt.c (find_if_case_1): Likewise.
13060 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13063 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13065 * Makefile.in: Removed rotted odf.c entry.
13067 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13070 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13071 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13072 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13073 output pattern modifier, not %e.
13074 * config/cris/cris.c (cris_op_str): Update comment about pattern
13076 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13077 before falling through into...
13078 <case 'E'>: Redefined from old 'e' case.
13080 2006-01-11 Jan Hubicka <jh@suse.cz>
13083 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13085 2006-01-11 Jan Hubicka <jh@suse.cz>
13087 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13088 * i386.c (x86_decompose_lea): Kill.
13089 (ix86_rtx_costs): Kill.
13091 2006-01-11 Jan Hubicka <jh@suse.cz>
13093 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13094 * cgraph.h (cgraph_node): Add inline_decl.
13095 (cgraph_insert_node_to_hashtable): Declare.
13096 (save_inline_function_body): Declare.
13097 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13099 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13100 (cgraph_function_versioning): Update call of tree_function_versioning.
13101 (save_inline_function_body): New function.
13102 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13103 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13104 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13105 (cgraph_default_inline_p): Likewise.
13106 (cgraph_decide_inlining_incrementally): Likewise.
13107 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13108 (copy_bb): Kill saving; do updating of clones.
13109 (copy_cfg_body): Kill saving.
13110 (initialize_inlined-parameters): Likewise.
13111 (expand_call_inline): Likewise.
13113 (tree_function_versioning): New parameter "update_clones".
13114 (inlining_p): Kill saving.
13115 * tree-inline.h (tree_function_versioning): Update prototype.
13116 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13119 2006-01-11 Ian Lance Taylor <ian@airs.com>
13121 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13122 Allow undoing set of machine mode.
13123 (do_SUBST): Use enums instead of is_int.
13124 (do_SUBST_MODE): New function.
13125 (SUBST_MODE): New macro.
13126 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13127 reg and trying to replace reg_regno_rtx with a new register.
13128 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13129 (simplify_set): Use SUBST_MODE.
13130 (distribute_notes): Remove code that tried to update reg notes
13131 for regno_reg_rtx changes.
13133 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13135 PR tree-optimization/23109
13136 PR tree-optimization/23948
13137 PR tree-optimization/24123
13139 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13140 * tree-cfg.c (single_noncomplex_succ): New.
13141 * tree-flow.h (single_noncomplex_succ): Declare it.
13142 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13143 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13144 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13145 insert_bb, register_division_in, insert_reciprocals,
13146 replace_reciprocal, free_bb): New.
13147 (execute_cse_reciprocals_1): Rewritten.
13148 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13149 Do not commit any edge insertion. Always compute dominators and
13150 create the allocation pool.
13151 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13152 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13153 * targhooks.c (default_min_divistions_for_recip_mul): New.
13154 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13155 * passes.c (init_optimization_passes): Run recip after tree loop
13157 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13159 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13160 Kenneth Zadeck <zadeck@naturalbridge.com>
13162 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13163 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13164 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13165 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13166 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13167 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13168 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13169 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13170 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13171 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13172 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13173 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13174 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13175 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13176 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13177 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13178 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13179 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13180 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13181 DF_SCAN_POST_ALLOC): New macros.
13182 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13183 df_free_bb_function, df_local_compute_function, df_init_function,
13184 df_dataflow_function, df_confluence_function_0,
13185 df_confluence_function_n, df_transfer_function,
13186 df_finalizer_function, df_free_function, df_dump_problem_function,
13187 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13188 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13189 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13190 df_urec_bb_info, ) New types.
13191 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13193 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13194 df_analyze_simple_change_some_blocks,
13195 df_analyze_simple_change_one_block, df_compact_blocks,
13196 df_bb_replace, df_bb_regno_last_use_find,
13197 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13198 df_insn_regno_def_p, df_find_def, df_find_use,
13199 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13200 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13201 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13202 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13203 debug_df_chain, df_get_dependent_problem, df_chain_create,
13204 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13205 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13206 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13207 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13208 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13209 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13210 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13211 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13212 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13213 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13214 df_reorganize_refs, df_set_state, df_hard_reg_init,
13215 df_read_modify_subreg_p) New public functions.
13216 * df-core.c: The core dataflow solver and glue routines for rtl
13218 (df_init, df_add_problem, df_set_blocks, df_finish,
13219 df_hybrid_search_forward, df_hybrid_search_backward,
13220 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13221 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13222 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13223 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13224 df_reg_defined, df_find_use, df_reg_used, df_dump,
13225 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13226 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13227 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13228 debug_df_useno, reset_df_after_reload): New functions.
13229 * df-scan.c: The scanning fuctions, once in df.c, completely
13230 rewritten so that they now fully model the functionality of
13231 register usage at the backend.
13232 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13233 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13234 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13235 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13236 df_get_artificial_defs, df_get_artificial_uses,
13237 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13238 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13239 df_refs_delete, df_reorganize_refs, df_set_state,
13240 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13241 df_def_record_1, df_defs_record, df_uses_record,
13242 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13243 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13244 df_record_exit_block_uses, df_hard_reg_init): New functions.
13246 * df-problems.c: Seven concrete dataflow problems that use the
13247 scanning in df-scan.c and are solved by the engine in df-core.c.
13248 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13249 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13250 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13251 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13252 df_ru_free_bb_info, df_ru_alloc,
13253 df_ru_bb_local_compute_process_def,
13254 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13255 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13256 df_ru_transfer_function, df_ru_free, df_ru_dump,
13257 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13258 df_rd_free_bb_info, df_rd_alloc,
13259 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13260 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13261 df_rd_transfer_function, df_rd_free, df_rd_dump,
13262 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13263 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13264 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13265 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13266 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13267 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13268 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13269 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13270 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13271 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13272 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13273 df_urec_mark_reg_use_for_earlyclobber,
13274 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13275 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13276 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13277 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13278 df_chain_create_bb_process_use, df_chain_create_bb,
13279 df_chain_finalize, df_chain_free, df_chains_dump,
13280 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13281 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13282 df_reg_lifetime): New functions.
13283 * df.c: Deleted file.
13284 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13285 consistent with new df api.
13286 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13287 rest_of_handle_sms): Ditto.
13288 * web.c (unionfind_union, union_defs, entry_register, web_main):
13290 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13291 invariant_expr_equal_p, find_defs, check_dependencies,
13292 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13293 free_inv_motion_data, move_loop_invariants): Ditto.
13294 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13295 Update dependencies.
13296 (odf.c): Added defective entry that was deleted later in day.
13297 * sched-deps.c (sched_analyze_1): Ditto.
13299 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13301 * tree-ssa-operands.c (get_expr_operands): Record addressable
13302 variables directly. Do not call add_stmt_operands for CONST_DECLs
13304 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13305 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13307 2006-01-11 Ben Elliston <bje@au.ibm.com>
13309 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13310 function returns true in the positive case.
13312 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13315 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13316 for SI, DI, SF and DF modes. Add alternatives to copy between
13317 general and floating point registers to the 32-bit patterns.
13318 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13319 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13320 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13321 generating 64-bit code.
13322 * config/pa/pa.c (output_move_double): Handle copies between general
13323 and floating registers.
13325 2006-01-10 Stuart Hastings <stuart@apple.com>
13327 * config/i386/i386.md (set_got): Update.
13328 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13329 (builtin_setjmp_receiver): Mach-O support.
13330 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13331 (GOT_SYMBOL_NAME): Define.
13332 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13333 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13334 * config/i386/i386.c (override_options): Revise for Darwin.
13335 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13336 support. (darwin_x86_file_end): New. (output_set_got): Add label
13337 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13338 * config/i386/i386-protos.h (output_set_got): Likewise.
13339 * config/darwin.c (machopic_legitimize_pic_address): Update
13342 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13344 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13345 when MODE isn't BLKmode.
13347 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13349 PR rtl-optimization/25367
13350 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13352 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13355 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13356 for a negative bound.
13358 2006-01-10 Richard Guenther <rguenther@suse.de>
13360 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13361 Never override with anything constraint.
13363 2006-01-10 Jan Beulich <jbeulich@novell.com>
13365 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13366 256 bits when optimize_size.
13368 2006-01-10 Jan Beulich <jbeulich@novell.com>
13370 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13372 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13373 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13376 2006-01-10 Ben Elliston <bje@au.ibm.com>
13378 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13380 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13381 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13382 (USE_FP_FOR_ARG): Reject decimal float modes.
13383 (function_arg_advance): Likewise.
13384 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13385 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13386 point types in AltiVec vectors.
13387 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13388 (rs6000_libcall_value): Likewise.
13390 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13392 * config/xtensa/ieee754-df.S: New file.
13393 * config/xtensa/ieee754-sf.S: New file.
13394 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13395 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13396 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13398 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13400 * config/sh/predicates.md (binary_float_operator,
13401 binary_logical_operator, commutative_float_operator,
13402 equality_comparison_operator, greater_comparison_operator,
13403 less_comparison_operator, logical_operator,
13404 noncommutative_float_operator, shift_operator,
13405 symbol_ref_operand, unary_float_operator): Remove redundant
13408 2006-01-09 Jeff Law <law@redhat.com>
13410 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13411 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13412 now unused arguments. Callers updated.
13413 (eliminate_redundant_computations): Remove now unused arguments,
13415 (local_fold): Remove, no longer used.
13416 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13418 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13419 (simplify_cond): New function.
13420 (forward_propagate_into_cond): Call simplify_cond.
13422 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13424 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13425 (*vec_extractv2di_1_sse): New.
13427 2006-01-09 Ben Elliston <bje@au.ibm.com>
13429 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13431 2006-01-08 Richard Guenther <rguenther@suse.de>
13433 * tree-ssa-structalias.c (get_constraint_for): Remove
13434 anyoffset argument.
13435 (get_constraint_for_component_ref): Likewise.
13436 (do_deref): Likewise.
13437 (get_constraint_for): Likewise.
13438 (do_structure_copy): Likewise.
13439 (handle_ptr_arith): Likewise.
13440 (find_func_aliases): Likewise. Remove unused need_anyoffset
13443 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13444 Kaz Kojima <kkojima@gcc.gnu.org>
13446 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13447 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13448 (EXTRA_CONSTRAINT_C16): Remove.
13449 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13450 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13451 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13452 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13453 constants of SHmedia. Handle nested constant expressions of
13455 (andcosts): Fix the costs for SHmedia constants.
13456 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13457 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13458 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13459 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13460 (movv4hi_i, movv2si_i): Likewise.
13461 (movsi_const): Adjust the second operand of ior so to match with
13462 the Csu constraint.
13463 (movdi_const, movdi_const_32bit): Likewise.
13464 (movdi_const_16bit+1): Don't sign-extend LOW.
13465 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13467 (*double_shori): Fix the split condition. Use GEN_INT instead
13468 of get_int_mode calls. Mask lower 16-bit of the argument of
13470 (sym2GOTPLT): Remove.
13471 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13473 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13474 instead of EXTRA_CONSTRAINT_C16.
13476 2006-01-07 Ian Lance Taylor <ian@airs.com>
13477 David Edelsohn <edelsohn@gnu.org>
13479 PR rtl-optimization/25662
13480 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13481 for constant operands instead of simplify_gen_binary.
13482 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13483 after trying simplify_binary_operation
13485 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13487 * tree.c (iterative_hash_expr): Hash decls based on UID.
13489 2006-01-06 Eric Christopher <echristo@apple.com>
13491 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13492 (TARGET_UNWIND_EMIT): Fix spelling.
13493 * target.h (gcc_target): Add except_table_label.
13494 * except.c (output_function_exception_table): Use.
13495 * varasm.c (default_emit_except_table_label): New.
13496 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13498 (asm_out): Add here.
13499 * output.h (default_emit_except_table_label): Prototype.
13500 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13501 * config/darwin.c (darwin_emit_except_table_label): Define.
13502 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13504 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13506 PR tree-optimization/18527
13507 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13508 number_of_iterations_special, number_of_iterations_exit):
13509 Move base and step of an iv to a single structure. Add
13510 no_overflow flag, and use it in # of iterations analysis.
13511 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13512 folded_casts argument.
13513 (simple_iv): Pass base and step in a structure. Set no_overflow
13515 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13516 Evaluate expensiveness of computing # of iterations instead of
13517 the final expression.
13518 * tree-scalar-evolution.h (affine_iv): New structure.
13519 (simple_iv): Declaration changed.
13520 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13521 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13522 find_givs_in_stmt): Changed due to simple_iv change.
13524 2006-01-06 Jeff Law <law@redhat.com>
13527 * tree-cfg.c (bsi_replace): Rename final argument from
13528 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13529 change (stmt -> orig_stmt).
13530 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13531 (bsi_remove): Add new argument. Remove EH information
13533 (verify_eh_throw_table_statements): New function.
13534 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13536 * tree-optimize.c (execute_free_cfg_annotations): Verify
13537 the EH throw statement table after removing annotations.
13538 * except.h (verify_eh_throw_table_statements): Prototype.
13539 * tree-flow.h (bsi_remove): Update prototype.
13540 * tree-vrp.c (remove_range_assertions): Add new argument to
13542 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13543 * tree-complex.c (expand_complex_div_wide): Likewise.
13544 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13545 * tree-tailcall.c (eliminate_tailcall): Likewise.
13546 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13547 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13548 * tree-nrv.c (tree_nrv): Likewise.
13549 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13550 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13551 (combine_blocks): Likewise.
13552 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13553 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13554 (cleanup_control_flow): Likewise.
13555 (remove_forwarder_block): Likewise.
13556 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13557 * tree-sra.c (sra_replace): Likewise.
13558 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13559 (forward_propagate_single_use_vars): Likewise.
13560 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13561 * tree-inline.c (expand_call_inline): Likewise.
13562 * tree-vect-transform.c (vect_transform_loop): Likewise.
13563 * tree-outof-ssa.c (rewrite_trees): Likewise.
13564 * tree-cfg.c (make_goto_expr_edges): Likewise.
13565 (cleanup_dead_labels): Likewise.
13566 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13567 (bsi_move_before, bsi_move_after): Likewise.
13568 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13569 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13571 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13574 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13576 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13577 on non gimple variables. Also add checks at the top for decls and
13579 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13581 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13582 and IMAGPART_EXPR for creating MUST_DEFs.
13583 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13584 and NAME_MEMORY_TAG separately from the DECLs.
13586 2006-01-06 Richard Guenther <rguenther@suse.de>
13588 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13589 annotation, if necessary.
13590 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13591 redundant calls to update_stmt.
13592 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13595 2006-01-05 Richard Henderson <rth@redhat.com>
13597 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13599 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13601 * c-typeck.c: Update copyright date.
13603 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13605 * c-typeck.c (build_c_cast): Always warn when casting
13606 from a pointer to an integer of different size, even if
13607 the node was constant.
13609 2006-01-05 Richard Guenther <rguenther@suse.de>
13611 PR tree-optimization/22555
13612 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13613 if one structure field is an array.
13614 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13615 operands even if we found a subvar, but ignore VOPs in this
13617 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13619 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13621 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13623 PR middle-end/24998
13624 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13626 2006-01-05 Richard Guenther <rguenther@suse.de>
13627 Diego Novillo <dnovillo@redhat.com>
13629 * tree-pass.h (TODO_remove_unused_locals): Define.
13630 * gimple-low.c (expand_var_p, remove_useless_vars,
13631 pass_remove_useless_vars): Remove. Update all users.
13632 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13633 (remove_unused_locals): New function.
13634 * tree-flow.h (remove_unused_locals): Declare.
13635 * passes.c (execute_todo): Call remove_unused_locals if
13636 TODO_remove_unused_locals is set.
13637 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13638 * tree-ssa-dce.c (pass_dce): Likewise.
13639 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13641 2006-01-05 Richard Guenther <rguenther@suse.de>
13643 * tree-flow.h (struct fieldoff): Decompose field to
13644 type, size and decl.
13645 * tree-ssa-alias.c (create_sft): Take type as parameter.
13646 (create_overlap_variables_for): Store type, size and decl
13647 in the fieldoff structure.
13648 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13649 of struct fieldoff.
13650 (push_fields_onto_fieldstack): Likewise.
13651 (create_variable_info_for): Likewise. Use offset for the
13652 SFT name if the decl is not available.
13654 2006-01-04 Paul Brook <paul@codesourcery.com>
13656 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13658 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13660 * lambda-code.c (can_put_in_inner_loop): Relax
13662 (can_put_after_inner_loop): New function.
13663 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13664 (perfect_nestify): Change to make copies and modify uses.
13666 2006-01-04 Richard Henderson <rth@redhat.com>
13668 Merge from gomp branch:
13669 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13670 via integer constant.
13671 (pragma_lex): Remove.
13672 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13673 rather than parsing it.
13674 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13675 handle_pragma_extern_prefix): Add %< %> quotes.
13676 (registered_pragmas): New.
13677 (c_register_pragma_1): New.
13678 (c_register_pragma): Use it.
13679 (c_register_pragma_with_expansion): Likewise.
13680 (c_invoke_pragma_handler): New.
13681 (init_pragma): Use cpp_register_deferred_pragma directly for
13683 * c-pragma.h (enum pragma_kind): New.
13684 (pragma_handler): New.
13685 (c_invoke_pragma_handler): Declare.
13686 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13688 * c-common.h (c_common_pch_pragma): Update decl.
13689 * Makefile.in (c-parser.o): Update dependencies.
13690 (GTFILES): Add c-pragma.h.
13691 * c-parser.c (struct c_token): Add pragma_kind.
13692 (struct c_parser): Add in_pragma.
13693 (c_lex_one_token): Always initialize keyword and pragma_kind.
13694 Extract data for CPP_PRAGMA.
13695 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13696 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13697 Don't allow CPP_PRAGMA_EOL if in_pragma.
13698 (c_parser_consume_pragma): New.
13699 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13700 (c_parser_skip_to_end_of_parameter): Likewise.
13701 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13702 (c_parser_skip_to_pragma_eol): New.
13703 (c_parser_external_declaration): Handle CPP_PRAGMA.
13704 (c_parser_compound_statement_nostart): Likewise.
13705 (c_parser_statement_after_labels): Likewise.
13706 (c_parser_pragma): New.
13707 (pragma_lex): Likewise.
13708 (c_parser_pragma_pch_preprocess): New.
13709 (c_parser_new): Merge into ...
13710 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13712 2006-01-04 Jeff Law <law@redhat.com>
13715 * tree-cfg.c (bsi_replace): Remove the original statement
13716 from the EH throw statement table.
13718 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13720 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13721 make the prototype extern "C" and add throw ().
13724 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13725 and pos non-negative and pos + len <= 32.
13726 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13727 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13728 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13731 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13732 as well as sizes not multiple of component size.
13735 * function.c (instantiate_expr): New function.
13736 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13737 walk its DECL_VALUE_EXPR with instantiate_expr.
13739 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13740 DW_OP_deref{,_size} if address isn't going to be added.
13742 2006-01-04 Ben Elliston <bje@au.ibm.com>
13744 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13745 * config/fp-bit.c: Likewise.
13747 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13749 * dominance.c: Add comment about why we use DFS numbering
13752 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13753 Richard Henderson <rth@redhat.com>
13755 Merge from gomp-branch:
13756 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13757 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13759 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13761 PR rtl-optimization/25578
13762 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13763 pass a parameter to simplify_shift_const if changing ASHIFTRT
13766 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13768 * builtins.c (get_builtin_sync_mem): New function.
13769 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13770 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13771 Call get_builtin_sync_mem to generate mem rtx.
13773 2006-01-03 Richard Guenther <rguenther@suse.de>
13776 * stmt.c (add_case_node): Make sure to clear overflow flags
13779 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13781 Merge from gomp-branch.
13782 * config/sparc/sync.md: New file.
13783 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13784 UNSPECV_LDSTUB): New constants.
13785 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13786 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13787 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13790 2006-01-03 Roger Sayle <roger@eyesopen.com>
13792 * combine.c (reg_subword_p): New predicate to test whether the
13793 destination of a set refers to a subword/piece of a register.
13794 (try_combine): Generalize the code to merge the setting of a
13795 pseudo to a constant followed by a set of a subword of that
13796 register to a constant.
13798 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13800 * basic-block.h (control_flow_graph): Change the type of
13801 x_label_to_block_map to VEC(basic_block,gc) *.
13802 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13803 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13805 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13806 VEC(basic_block,heap) *.
13807 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13808 ssa_prop_fini): Adjust the uses of cfg_blocks.
13810 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13812 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13814 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13815 hashing trees instead of a pointer hash.
13816 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13817 compare for MEM_EXPR.
13819 PR rtl-optimization/25130
13820 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13821 when comparing MEMs for GCSE
13823 2006-01-03 Ben Elliston <bje@au.ibm.com>
13825 * targhooks.h (default_decimal_float_supported_p): Declare.
13826 * targhooks.c (default_decimal_float_supported_p): Define.
13827 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13828 `default_decimal_float_supported_p'.
13829 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13831 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13833 * combine.c (apply_distributive_law <SUBREG>): Check
13834 TRULY_NOOP_TRUNCATION.
13836 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13838 * dwarf2out.c (have_switched_text_section): Delete.
13839 (have_multiple_function_sections): New.
13840 (have_location_lists): Make 'bool'.
13841 (add_AT_loc_list): Use 'true' not '1'.
13842 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13843 (output_loc_list): Use have_multiple_function_sections.
13844 (output_ranges): Likewise.
13845 (dwarf2out_begin_function): Set have_multiple_function_sections if
13847 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13848 Check function_section rather than DECL_SECTION_NAME.
13849 (dwarf2out_finish): Use have_multiple_function_sections.
13850 Don't clear have_location_lists.
13852 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13853 Jan Hubicka <jh@suse.cz>
13855 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13856 case of conditional jump jumping to the next instruction.
13857 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13858 cases of conditional jump jumping to the next instruction.
13860 2006-01-02 Jan Hubicka <jh@suse.cz>
13862 * i386.c (*_cost): Add COSTS_N_INSNS.
13863 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13865 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13868 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13870 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13872 * config/arm/arm.c (all_fpus): Fix comment typo.
13873 * config/darwin.c: Likewise.
13874 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13875 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13876 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13878 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13880 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13881 (rs6000_split_compare_and_swapqhi): New.
13882 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13883 (sync_compare_and_swapqhi_internal): New.
13884 * config/rs6000/rs6000-protos.h: Declare.