1 2006-08-15 Nick Clifton <nickc@redhat.com>
3 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4 fragment to tmake_file only if threads are enabled.
5 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6 * config/i386/t-gthr-win32: New file. ... here.
8 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11 * c-parser.c (c_parser_compound_statement_nostart): Reset
12 parser->error after each statement.
14 2006-08-15 Jakub Jelinek <jakub@redhat.com>
17 * omp-low.c (lower_omp_parallel): Convert t to
19 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
20 source before comparison.
23 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
24 to itype in assignment to oldival2.
26 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
30 * c-typeck.c (build_compound_expr): If the second expression
31 is an error mark, then just return an error mark instead of
32 creating a COMPOUND_EXPR.
34 2006-07-14 Mike Stump <mrs@apple.com>
36 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
38 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
40 * c-decl.c, var-tracking.c: Fix comment typos.
42 2006-08-14 Richard Sandiford <richard@codesourcery.com>
44 PR rtl-optimization/28634
45 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
46 for floating-point modes unless flag_unsafe_math_optimizations.
48 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
49 Andrew Pinski <pinskia@physics.uc.edu>
52 * tree.c (build_array_type): Unify array types with
53 unspecified index_type.
54 * c-decl.c (grokdeclarator): Make sure we do not modify a
55 unified incomplete array type.
56 * c-typeck.c (store_init_value): Create distinct type before
57 filling in the index type in an initializer from a compound
60 * c-decl.c (grokdeclarator): Remove code where we copy the
63 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
65 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
66 into account for TODO_dump_cgraph.
67 (TODO_update_ssa_no_phi): Likewise.
68 (TODO_update_ssa_full_phi): Likewise.
69 (TODO_update_ssa_only_virtuals): Likewise.
70 (TODO_remove_unused_locals): Likewise.
71 (TODO_set_props): Likewise.
72 (TODO_update_stmt_usage): Likewise.
74 2006-08-13 Dirk Mueller <dmueller@suse.de>
76 * c-common.c (strict_aliasing_warning): Fix formatting.
78 2006-08-13 Matthias Klose <doko@debian.org>
80 * doc/invoke.texi: Fix spelling errors.
82 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
84 PR rtl-optimization/23454
85 * reorg.c (relax_delay_slots): Update comment.
87 2006-08-11 Richard Guenther <rguenther@suse.de>
90 * simplify-rtx.c (simplify_const_relational_operation):
91 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
94 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
96 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
97 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
99 2006-08-10 Paul Brook <paul@codesourcery.com>
101 * final.c (final_scan_insn): Clear current_insn_predicate before
102 outputting inline asm.
104 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
106 PR tree-optimization/26197
107 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
108 get_ref_base_and_extent and overlap_subvar to add only relevant
109 subvars as may-aliases.
110 (add_may_alias_for_new_tag): New function, factored out of
112 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
113 with additional argument.
114 * tree-flow.h (new_type_alias): Takes additional argument.
116 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
118 * gcov.c (no_data_file): New flag.
119 (read_count_file): Set it if data file not present. Assume counts
121 (output_lines): Don't name the data file, if there wasn't one.
123 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
125 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
126 (rs6000_generate_compare): Tweak comments.
127 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
129 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
131 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
132 (var_debug_decl): New function.
133 (var_reg_set): Follow debug decl link. Add location even if
134 reg is already known to hold some other variable.
135 (var_mem_set): Follow debug decl link.
136 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
137 decl link. Delete other known locations of the variable part
139 (var_reg_delete, var_mem_delete): Delete other known locations
140 of the variable part if requested.
141 (same_variable_part_p): New function.
142 (add_stores): Select MO_COPY when appropriate.
143 (vt_initialize): Handle it.
144 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
145 known locations for MO_SET and MO_CLOBBER.
146 (find_variable_location_part): New function.
147 (set_variable_part, delete_variable_part): Use it.
148 (clobber_variable_part): New function.
149 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
152 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
154 PR tree-optimization/26969
155 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
156 with an empty list of PHIs.
158 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
162 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
165 2006-08-06 Andreas Schwab <schwab@suse.de>
167 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
168 string. Whitespace and comment fixup.
170 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
173 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
177 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
180 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
182 2006-08-04 Jan Hubicka <jh@suse.cz>
186 * reload.c (push_reload): Patch out the mismatching instruction;
188 (find_reload): Bail out if the instruction was patched out.
190 2006-08-04 Jan Hubicka <jh@suse.cz>
192 PR tree-optimization/24888
193 * tree-inline.c (expand_call_inline): Do not re-record variables.
194 (declare_inline_vars): Add variable to unexpanded_var_list.
196 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
197 Roger Sayle <roger@eyesopen.com>
199 PR rtl-optimization/26244
200 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
201 inner_const are negative or greater than or equal to the bitsize of
202 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
203 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
204 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
205 CONST0_RTX (mode) when the new shift count is greater than or equal to
206 to the bitsize of the object being shifted and XEXP (y, 0) has no side
209 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
211 * tree-cfg.c: Fix a comment typo.
213 2006-08-03 Mark Mitchell <mark@codesourcery.com>
216 * varasm.c (output_constant): Give the front end another chance to
217 expand constants, after stripping NOPs.
219 2006-08-03 Jan Hubicka <jh@suse.cz>
221 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
224 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
226 PR tree-optimization/27770
227 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
228 declaration removed (moved to tree-flow.h).
229 (vect_can_force_dr_alignment_p): Likewise.
230 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
231 (moved from tree-vectorizer.h).
232 (vect_can_force_dr_alignment_p): Likewise.
233 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
234 from outside the vectorizer - in particular from cgraph stage.
235 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
236 the alignment of global arrays when -fsection-anchors is enabled.
237 * cgraphunit.c (cgraph_increase_alignment): New function.
238 (cgraph_optimize): Call cgraph_increase_alignment.
240 2006-08-03 David Edelsohn <edelsohn@gnu.org>
243 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
244 not reload a SPE symbol_ref into a lo_sum address.
246 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
249 * dwarf2out.c (prune_unused_types_prune): Move call to
250 prune_unused_types_update_strings to cover the parent DIE also.
252 2006-08-02 Jan Hubicka <jh@suse.cz>
254 PR gcov/profile/28480
255 * tree-cfg.c (change_bb_for_stmt): New function.
256 (tree_merge_blocks, tree_split_blocks): Use it.
258 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
264 * toplev.c (compile_file): Return early on errorcount or sorrycount.
265 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
266 (cgraph_optimize): Likewise.
268 2006-08-01 Stuart Hastings <stuart@apple.com>
270 * rtl.h (UINTVAL) New.
271 * config/rs6000/rs6000.c (SMALL_INT) Use it.
272 * testsuite/gcc.dg/20060801-1.c: New.
274 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
277 * c-typeck.c (build_external_type): Mark used enum types.
278 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
280 (gen_subprogram_die): Whitespace fix.
282 2006-08-01 Jan Hubicka <jh@suse.cz>
284 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
285 bitmap when not needed.
286 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
289 2006-08-01 Dirk Mueller <dmueller@suse.de>
291 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
293 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
295 * Makefile.in: Revert part of previous patch:
296 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
299 2006-07-30 Eric Christopher <echristo@apple.com>
302 * doc/extend.texi (i386 Variable Attributes): Add anchor.
303 (PowerPC Variable Attributes): New section.
305 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
307 PR target/28126 (partial fix)
308 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
310 2006-07-28 Jan Hubicka <jh@suse.cz>
312 PR rtl-optimization/28071
313 * cfgrtl.c (rtl_delete_block): Free regsets.
314 * flow.c (allocate_bb_life_data): Re-use regsets if available.
316 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
318 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
319 and variables used in dependencies.
321 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
323 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
324 %fs for -mcmodel=kernel.
325 (stack_tls_protect_test_di): Likewise.
327 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
329 * Makefile.in: Use mkinstalldirs.
331 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
334 * opts-common.c (prune_options): Skip joined switches.
336 2006-07-27 Jan Hubicka <jh@suse.cz>
338 PR rtl-optimization/28071
339 * cselib.c (cselib_process_insn): Don't remove useless values too
340 often for very large hashtables.
342 2006-07-27 Jan Hubicka <jh@suse.cz>
344 PR rtl-optimization/28071
345 * global.c (greg_obstack): New obstack.
346 (allocate_bb_info): Use it.
347 (free_bb_info): Likewise.
348 (modify_reg_pav): Likewise.
350 2006-07-27 Roger Sayle <roger@eyesopen.com>
352 * builtins.c (fold_fixed_mathfn): When long and long long are the
353 same size, canonicalize llceil*, llfloor*, llround* and llrint*
354 functions to their lceil*, lfloor*, lround* and lrint* forms.
356 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
359 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
361 (rev_branch_insn): Likewise.
363 2006-07-27 Jan Hubicka <jh@suse.cz>
365 PR rtl-optimization/28071
366 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
367 (reg_set_in_bb, max_reg_computed): New static variables.
368 (regmove_optimize): Free the new array.
369 (fixup_match_1): Update call of reg_is_remote_constant_p.
371 2006-07-26 Jan Hubicka <jh@suse.cz>
373 PR tree-optimization/27882
374 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
376 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
378 (cgraph_analyze_compilation_unit): Likewise.
379 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
380 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
381 (cgraph_early_inlinine): Make order garbage collected.
382 * Makefile.in (gt-ipa-inline): New garbagecollected file.
384 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
386 * dbxout.c (output_types_sort): Add a comment.
387 (output_used_types): Free the VEC.
389 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
391 * function.c (reorder_fix_fragments): Delete.
392 (reorder_blocks): Don't call it.
393 (reorder_blocks_1): Put all subblocks under the origin block.
395 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
397 PR rtl-optimization/27907
398 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
401 2006-07-25 Roger Sayle <roger@eyesopen.com>
404 * convert.c (convert_to_integer): When transforming (T)foo(x) into
405 bar(x) check that bar's result type can represent all the values of T.
407 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
409 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
411 2006-07-25 Nick Clifton <nickc@redhat.com>
413 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
415 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
416 (ggc_pch_count_object): Likewise.
417 (ggc_pch_alloc_object): Likewise.
418 (ggc_pch_write_object): Likewise.
419 (init_ggc): Do not attempt to initialize entries in the
420 size_lookup[] array for objects whose size is greater than than
421 the length of the array.
423 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
425 * dbxout.c (output_used_types_helper): Push queued types
427 (output_types_sort): New.
428 (output_used_types): Collect used types on a VEC and sort them
431 2006-07-24 Richard Guenther <rguenther@suse.de>
434 * cgraph.c (cgraph_remove_node): Do not check if dumps
436 * cgraphunit.c (cgraph_optimize): Likewise.
438 2006-07-24 Jan Hubicka <jh@suse.cz>
440 PR rtl-optimization/28071
441 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
442 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
443 splitting before first stmt.
445 2006-07-24 Jan Hubicka <jh@suse.cz>
447 PR rtl-optimization/28071
448 * ipa-inline.c (update_caller_keys): Remove edges that
449 are no longer inline candidates.
451 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
454 * dbxout.c (output_used_types_helper, output_used_types): New.
455 (dbxout_symbol): Call output_used_types.
457 2006-07-23 Jan Hubicka <jh@suse.cz>
461 * cgraph.c (cgraph_varpool_nodes): Export.
462 (decide_is_variable_needed): Ignored "used" attribute in
464 * cgraph.h (cgraph_varpool_nodes): Declare.
465 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
468 2006-07-23 Roger Sayle <roger@eyesopen.com>
471 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
472 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
473 the __gthrw form of thr_keycreate.
474 (__gthread_key_delete): Silence the unused argument warning.
476 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
479 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
480 Cache the last found '\0' marker to avoid quadratic behavior.
482 2006-07-23 Jan Hubicka <jh@suse.cz>
484 * i386.md (subsi_3_zext): Fix output template.
486 2006-07-21 Mike Stump <mrs@apple.com>
488 * doc/invoke.texi (C++ Dialect Options): Note that
489 -fvisibility-inlines-hidden doesn't affect explicitly
490 instantiationed inline methods.
492 2006-07-20 Roger Sayle <roger@eyesopen.com>
494 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
495 if the target assembler is GNU binutils' gas.
496 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
497 whether to pass GNU gas or native as command line options.
499 2006-07-20 Jason Merrill <jason@redhat.com>
501 * tree.c (remove_attribute): New fn.
502 * tree.h: Declare it.
504 2006-07-20 Paul Brook <paul@codesourcery.com>
507 * cse.c (cse_insn): Add destination addresses to hash table. Check if
508 they are invalidated by this instruction.
510 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
513 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
515 2006-07-20 Eric Christopher <echristo@apple.com>
518 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
520 2006-07-19 Eric Christopher <echristo@apple.com>
522 * config/t-slibgcc-darwin (stmp-lipo): Remove.
523 Rewrite dependencies for libgcc_s.1.dylib.
525 2006-07-19 Jakub Jelinek <jakub@redhat.com>
527 * except.c (duplicate_eh_regions_1): Clear next_peer.
529 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
531 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
532 -mlongcall does not guarantee all calls will be long.
533 * doc/extend.texi (long_call/short_call): Document that longcall
534 does not guarantee a long call will be used.
535 (longcall/shortcall): Likewise.
537 2006-07-18 Roger Sayle <roger@eyesopen.com>
540 * expmed.c (expand_shift): Additionally check that the shift_cost
541 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
542 before implementing a LSHIFT_EXPR as a sequence of additions.
543 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
544 middle-end that DImode shifts need to be synthesized by expand.
546 2006-07-18 Diego Novillo <dnovillo@redhat.com>
549 * tree-ssa-operands.c (access_can_touch_variable): Update
551 Return true if ALIAS is .GLOBAL_VAR.
553 2006-07-18 David Daney <ddaney@avtrex.com>
555 * gcc.c (display_help): Fix typo in help text.
557 2006-07-18 Olivier Hainque <hainque@adacore.com>
559 * tree.h (categorize_ctor_elements): Adjust prototype and add
560 descriptive comment, both in accordance with the interface change
562 * varasm.c (constructor_static_from_elts_p): New function.
563 Whether a constructor node is a valid static constant initializer
564 if all its elements are.
565 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
566 * output.h: Declare it.
567 * expr.c (categorize_ctor_elements_1): Return whether the constructor
568 is a valid constant initializer instead of computing the number of
569 non-constant elements. Use constructor_static_from_elts_p for this
570 purpose. Replace the head comment with an indication that this is a
571 helper for categorize_ctor_elements.
572 (categorize_ctor_elements): Same interface change as for the _1
573 helper. Former head comment from this helper moved here, adjusted to
574 account for the interface changes.
575 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
576 (all_zeros_p): Likewise.
577 * gimplify.c (gimplify_init_constructor): Decide whether we can make
578 static versions of the constructor from the categorize_ctor_elements
579 return value instead of the formerly computed number of non-constant
582 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
584 * configure: Regenerate.
585 * Makefile.in (build_libsubdir): New configure substitution
586 (build_libobjdir): New variable.
587 (BUILD_LIBIBERTY): Use it.
589 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
592 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
594 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
597 * c-common.c (handle_weakref_attribute): Ignore attribute in
598 the same conditions the alias attribute is ignored.
600 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
602 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
603 (dbxout_begin_prologue): Increment scope_labelno.
605 2006-07-17 Richard Henderson <rth@redhat.com>
608 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
611 2006-07-17 Roger Sayle <roger@eyesopen.com>
612 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
614 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
615 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
616 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
617 functions such as sbrk, write, etc.. Add function prototypes.
618 Convert function declarations from K&R to ISO C. Cast pointers
619 to "long" and "unsigned long" instead of "int" and "unsigned int".
620 Convert tokens following #endif into comments.
622 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
624 * invoke.texi: Remove mention of f77; Reformat table for
625 inline parameter options correctly; mention that -malign-double
626 is default on x86-64 targets.
628 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
630 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
631 (convert_affine_scev, chrec_convert_aggressive): Use
632 avoid_arithmetics_in_type_p. Do not check for the subtypes
635 2006-07-17 Richard Sandiford <richard@codesourcery.com>
638 * optabs.c (expand_doubleword_shift): Wrap the call to
639 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
641 2006-07-17 Richard Sandiford <richard@codesourcery.com>
644 * optabs.c (expand_binop): Pass next_methods rather than methods
645 to expand_doubleword_shift.
647 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
650 * tree.h (dump_addr): Declare.
651 * print-tree.c (dump_addr): New function.
652 (print_node_brief, print_node): Use it.
653 * print-rtl.c (print_rtx): Likewise.
654 * common.opt (-fdump-noaddr): New option.
655 * doc/invoke.texi (-fdump-noaddr): Document.
656 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
657 (ve_info_hash): Likewise.
659 2006-07-13 Andrew Haley <aph@redhat.com>
661 PR tree-optimization/19505
662 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
663 edge leaving this block, make sure that the destination of this
664 block has only one predecessor.
666 2006-07-17 Richard Guenther <rguenther@suse.de>
668 PR tree-optimization/28238
669 * tree-inline.c (copy_bb): Check if we produced valid
670 gimple copying and substituting a stmt. If not, gimplify
673 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
675 * optabs.c (maybe_encapsulate_block): New function extracted from...
676 (emit_libcall_block): ...here. Invoke it on the block of insns to
677 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
678 (emit_no_conflict_block): Likewise.
680 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
682 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
684 2006-07-15 Roger Sayle <roger@eyesopen.com>
686 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
687 a new NOP_EXPR case of the switch statement.
689 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
692 * stor-layout.c (place_field): Take the bit field with
693 an excessive size into account in the ms-bitfiled case.
696 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
697 the previous bit field.
699 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
702 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
704 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
706 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
707 signal frames correctly even when the signal was installed with
710 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
712 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
713 (dbxout_function_end): Use local label LFBB. Remove hook
715 (dbxout_source_line): Use local label LFBB.
716 (dbxout_block): Likewise.
717 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
718 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
719 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
722 2006-07-13 Janis Johnson <janis187@us.ibm.com>
724 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
726 2006-07-13 Jan Hubicka <jh@suse.cz>
728 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
730 * output.h (align_variable): Declare.
731 * varasm.c (align_variable): Export.
732 * value-prof.c (tree_value_profile_transformations): Recompute iterator
733 when basic block changed.
735 2006-07-13 Nick Clifton <nickc@redhat.com>
737 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
738 walking the LOG_LINKS chain.
740 2006-07-12 Geoffrey Keating <geoffk@apple.com>
742 * doc/invoke.texi (C++ Dialect Options): Explain difference
743 between -fvisibility-inlines-hidden and setting hidden
744 visibility explicitly.
746 2006-07-12 Eric Christopher <echristo@apple.com>
748 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
749 (stmp-lipo): Depend on libgcc.a.
751 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
753 * tree.c: Fix a comment typo.
755 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
757 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
759 (umulhisi3_r): Likewise.
761 2006-07-12 Paolo Carlini <pcarlini@suse.de>
764 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
765 x < 19, vs wchar_t support.
767 2006-07-12 Nick Clifton <nickc@redhat.com>
769 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
772 2006-07-12 Mike Stump <mrs@apple.com>
774 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
776 2006-07-10 Eric Christopher <echristo@apple.com>
778 * config/t-slibgcc-darwin: Rewrite.
780 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
783 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
786 2006-07-08 Matthias Klose <doko@debian.org>
788 * doc/sourcebuild.texi: Fix typo.
790 2006-07-07 Mike Stump <mrs@apple.com>
792 * toplev.c (process_options): Don't give -ffunction-sections may
793 affect debugging warning for Mach-O.
795 2006-07-07 James E Wilson <wilson@specifix.com>
797 * config/mips/mips.md (cpu): Add sb1a.
798 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
799 addition to sb1. Adjust comments to clarify SB-1A differences from
801 (ir_sb1a_load): New. Modify bypasses to use it.
802 (ir_sb1a_simple_alu): Likewise.
803 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
804 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
805 (mips_issue_rate): Add PROCESSOR_SB1A.
806 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
807 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
808 (TARGET_SB1): Add PROCESSOR_SB1A check.
809 (TUNE_SB1): Likewise.
811 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
812 * config/mips/mips.c (mips_store_data_bypass_p): New.
813 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
816 2006-07-08 Paul Brook <paul@codesourcery.com>
819 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
821 2006-07-07 Richard Guenther <rguenther@suse.de>
824 * tree.h (build_one_cst): Declare.
825 * tree.c (build_one_cst): New function.
826 * tree-ssa-math-opts.c (get_constant_one): Remove.
827 (insert_reciprocals): Use build_one_cst.
828 * fold-const.c (fold_plusminus_mult): Likewise.
830 2006-07-07 Roger Sayle <roger@eyesopen.com>
832 * pointer-set.c (pointer_set_destroy): Correct whitespace.
833 * cfgloopanal.c (dump_graph): Likewise.
834 * dojump.c (discard_pending_stack_adjust): Likewise.
835 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
837 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
838 * function.c (finalize_block_changes): Likewise.
839 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
840 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
841 * rtl.c (dump_rtx_statistics): Likewise.
842 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
844 * varray.c (dump_varray_statistics): Likewise.
845 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
846 decode_decimal64, encode_decimal128, decode_decimal128,
847 decimal_real_to_decimal): Likewise.
849 2006-07-07 Richard Guenther <rguenther@suse.de>
851 PR tree-optimization/28187
852 * tree-vrp.c (vrp_operand_equal_p): New function.
853 (vrp_bitmap_equal_p): Likewise.
854 (update_value_range): Use them to compare old and new
857 2006-07-06 Roger Sayle <roger@eyesopen.com>
859 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
860 a default case to switch statement to silence compiler warnings.
862 2006-07-06 Roger Sayle <roger@eyesopen.com>
865 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
866 the configured assembler supports the x87's ffreep mnemonic.
867 * configure: Regenerate.
868 * config.in: Regenerate.
870 * config/i386/i386.c (output_387_ffreep): New function.
871 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
872 (output_387_reg_move): Likewise.
874 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
876 Port to hosts whose 'sort' and 'tail' implementations
877 treat operands with leading '+' as file names, as POSIX
878 has required since 2001. However, make sure the code still
879 works on pre-POSIX hosts.
880 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
881 which says you should use "tail -c +N" rather than "tail +Nc".
882 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
884 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
886 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
889 2006-07-06 David Edelsohn <edelsohn@gnu.org>
892 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
893 PRE_{INC,DEC} of TFmode.
895 2006-07-06 David Edelsohn <edelsohn@gnu.org>
896 Alan Modra <amodra@bigpond.net.au>
899 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
902 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
905 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
906 Remove duplicate gtu.
908 2006-07-05 Jason Merrill <jason@redhat.com>
912 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
913 * c-common.c (handle_packed_attribute): So don't copy it here.
914 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
916 2006-07-05 Mike Stump <mrs@apple.com>
918 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
920 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
923 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
925 2006-07-05 Richard Guenther <rguenther@suse.de>
928 * config/i386/i386.md (*negdf2_1): Restrict pattern to
929 TARGET_SSE2 targets if using SSE math.
930 (*absdf2_1): Likewise.
932 2006-07-05 Richard Guenther <rguenther@suse.de>
934 PR tree-optimization/28162
935 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
936 make sure to convert the operands to the correct type.
938 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
940 PR tree-optimization/28218
942 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
943 to calculate and free the dominator information.
945 2006-07-04 Peter O'Gorman <peter@pogma.com>
947 * mklibgcc.in: chmod 644 before ranlib during install.
949 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
950 J"orn Rennecke <joern.rennecke@st.com>
952 * configure.ac (.eh_frame data check): Use diff -b.
954 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
957 * Makefile.in (BUILD_RTL): Add build/vec.o.
958 (build/gencondmd.o): Filter out -fkeep-inline-functions.
959 (build/genextract): Delete.
960 (build/genautomata): Likewise.
962 2006-07-04 Alan Modra <amodra@bigpond.net.au>
965 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
966 128-bit IBM long doubles for ABI_V4.
968 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
970 * tree.c (range_in_array_bounds_p): New predicate.
971 * tree.h (range_in_array_bounds_p): Declare it.
972 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
973 return a less conservative answer.
974 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
976 (IS_ELEMENT_FOR_GROUP): New macro.
977 (FOR_EACH_ACTUAL_CHILD): Likewise.
978 (next_child_for_group): New helper function.
979 (can_completely_scalarize_p): Take into account groups.
980 (sra_hash_tree): Handle RANGE_EXPR.
981 (sra_elt_eq): Likewise.
982 (lookup_element): Be prepared for handling groups.
983 (is_valid_const_index): Delete.
984 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
985 instead of is_valid_const_index.
986 <ARRAY_RANGE_REF>: New case.
987 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
988 is_valid_const_index.
989 <ARRAY_RANGE_REF>: Do not unconditionally punt.
990 (scan_dump): Dump info for groups too.
991 (decide_instantiation_1): Likewise.
992 (decide_block_copy): Assert that the element is not a group.
993 Propagate decision to groups.
994 (generate_one_element_ref): Handle RANGE_EXPR.
995 (mark_no_warning): Iterate over actual childs.
996 (generate_copy_inout): Likewise.
997 (generate_element_copy): Likewise.
998 (generate_element_zero): Likewise.
999 (generate_element_init_1): Likewise.
1000 (dump_sra_elt_name): Handle RANGE_EXPR.
1002 2006-07-03 Roger Sayle <roger@eyesopen.com>
1004 PR tree-optimization/26251
1005 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1006 (thread_block): When optimizing for size refuse to thread jumps
1007 that would require duplication of blocks other than redirection
1010 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1012 * configure.ac: Fix thinko in previous check-in.
1013 * configure: Regenerate.
1015 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1018 * configure.ac (for lang...): Simplify nesting of conditionals.
1019 Test subdir_requires for non-enabled languages. Move processing
1020 of lang_opt_files and lang_tree_fiels below that test.
1021 * configure: Regenerate.
1022 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1024 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1026 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1028 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1030 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1033 2006-06-29 Jason Merrill <jason@redhat.com>
1040 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1041 * c-common.c (c_determine_visibility): Handle it here.
1042 * c-decl.c (finish_decl): Call c_determine_visibility for
1044 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1046 * varasm.c (default_assemble_visibility): Likewise.
1047 * c-common.c (handle_visibility_attribute): Complain about trying
1048 to give visibility to an already defined class, or trying to change
1049 declared visibility. Always attach the attribute.
1054 * attribs.c (decl_attributes): Ignore type-in-place attributes
1055 once the type has been defined.
1057 2006-06-29 Roger Sayle <roger@eyesopen.com>
1060 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1061 to indicate the cpplib has issued an error message for us.
1063 2006-06-29 Asher Langton <langton2@llnl.gov>
1066 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1067 insert a label at the end of an function under Mach-O.
1069 2006-06-29 Eric Christopher <echristo@apple.com>
1070 Evan Cheng <evan.cheng@apple.com>
1072 * predicates.md (vector_all_ones_operand): New.
1073 (nonimmediate_or_sse_const_operand): Ditto.
1074 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1075 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1076 (standard_sse_mode_p): Ditto.
1077 (standard_sse_constant_p): Add case for -1 vector.
1078 (ix86_expand_vector_move): Try to use.
1079 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1080 Call standard_sse_constant_opcode.
1081 (*movv4sf_internal): Ditto.
1082 (*movv2df_internal): Ditto.
1084 2006-06-29 Roger Sayle <roger@eyesopen.com>
1086 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1087 of XEXP to extract the operands of a MATCH_CODE rtx.
1089 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1091 * tree.c (tree_size): Do not waste tail padding in
1092 struct tree_string and make the size be the same as
1093 build_string will generate.
1095 2006-06-28 Jason Merrill <jason@redhat.com>
1098 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1099 may_aliases already in the tag's annotations to the bitmap.
1101 2006-06-28 Roger Sayle <roger@eyesopen.com>
1103 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1105 2006-06-28 Roger Sayle <roger@eyesopen.com>
1107 * genpreds.c (generate_switch_p): New function.
1108 (add_mode_tests): Push the new mode test down inside an AND expr
1109 if this allows the switch-suitable MATCH_CODE to be near the root.
1110 (write_match_code_switch): New function to write a MATCH_CODE as
1112 (write_predicate_stmts): New function to write a predicate RTX
1113 expression as a sequence of statements.
1114 (write_one_predicate_function): Use write_predicate_stmts.
1115 (write_tm_constrs_h): Likewise.
1117 2006-06-26 Fred Fish <fnf@specifix.com>
1119 * config/mips/t-sb1: New file.
1120 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1123 2006-06-26 DJ Delorie <dj@redhat.com>
1125 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1127 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1128 Jayant Sonar <jayants@kpitcummins.com>
1129 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1131 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1132 (subsi3, subsi3_1, subsi3_2): New.
1133 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1134 * config/m32c/mov.md (SI mov peephole): New.
1135 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1136 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1138 2006-06-26 Olivier Hainque <hainque@adacore.com>
1140 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1141 a CALL_EXPR target function declaration.
1143 2006-06-26 Richard Guenther <rguenther@suse.de>
1145 * tree.c (build_string): Do not waste tail padding in
1148 2006-06-26 Richard Guenther <rguenther@suse.de>
1150 * ggc-page.c (init_ggc): Add missing element to size_lookup
1154 2006-06-23 Richard Guenther <rguenther@suse.de>
1156 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1157 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1158 alignment requests instead. Add verification code.
1159 Add struct tree_function_decl and struct tree_binfo size to
1160 extra_order_size_table. Add missing element to size_lookup
1163 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1166 * fold-const.c (const_binop): Be prepared for self returning zero.
1167 Simplify code handling complex values.
1169 2006-06-24 Olivier Hainque <hainque@adacore.com>
1171 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1172 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1175 2006-06-24 Olivier Hainque <hainque@adacore.com>
1177 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1178 ARRAY_REF, so have the callback called for the low bound expression.
1180 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1182 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1183 * c-typeck.c (c_common_type): Disallow operations on decimal float
1184 types and other float types.
1185 * convert.c (convert_to_real): Don't ignore conversions involving
1186 decimal float types.
1188 2006-06-23 Olivier Hainque <hainque@adacore.com>
1190 * tree.c (max_int_size_in_bytes): New function, inspired from
1191 code in function.c:assign_temp.
1192 * tree.h (max_int_size_in_bytes): Declare.
1193 * function.c (assign_temp): Use it.
1194 * gimplify.c (create_tmp_var): Relax the assertions on the type
1195 properties, not mandating constant size any more.
1196 (force_constant_size): New static function.
1197 (gimple_add_tmp_var): Use it, forcing variable size to a
1198 constant upper bound if it is not constant on entry.
1200 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1203 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1204 for initialization and setting of one_only flag to ...
1205 (i386_pe_encode_section_info): ...here.
1206 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1207 Recheck that the symbol has not been defined.
1209 2006-06-23 Richard Guenther <rguenther@suse.de>
1211 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1212 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1213 alignment requests instead. Add verification code.
1214 Add struct tree_function_decl and struct tree_binfo size to
1215 extra_order_size_table. Add missing element to size_lookup
1218 2006-06-22 Roger Sayle <roger@eyesopen.com>
1219 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1222 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1223 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1225 2006-06-23 Ben Elliston <bje@au.ibm.com>
1227 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1228 negate dn -- manipulate it directly.
1230 2006-06-22 Roger Sayle <roger@eyesopen.com>
1231 Steven Bosscher <stevenb.gcc@gmail.com>
1234 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1235 generated by gen_move_insn to add REG_LABEL notes if necessary.
1237 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1239 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1240 (leaf_entry): Remove use of MIN_ESA.
1242 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1244 PR rtl-optimization/28121
1245 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1248 2006-06-21 DJ Delorie <dj@redhat.com>
1250 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1252 (mulhisi3_r): Likewise.
1254 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1257 * coverage.c (coverage_counter_alloc): Leave the index type
1259 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1262 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1264 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1265 section from the "Options for Code Generation Conventions".
1267 2006-06-21 Richard Henderson <rth@redhat.com>
1271 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1273 (global_symbolic_operand): Allow weak symbols, even if local_p.
1275 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1277 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1278 (find_interesting_uses_address): Punt if above function returns true.
1280 2006-06-21 Richard Guenther <rguenther@suse.de>
1282 * configure: Regenerated.
1284 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1286 * config/mips/mips.c (function_arg): Where one part of a
1287 complex argument is in registers and the other part in the stack,
1288 return a REG not a PARALLEL.
1290 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1292 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1293 when cross-compiling. Do not substitute libstdcxx_incdir.
1294 * configure: Regenerated.
1296 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1298 * varasm.c (mergeable_string_section): Check for embedded NULs and
1299 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1300 rather than TREE_STRING_LENGTH bytes.
1302 2006-06-21 Richard Guenther <rguenther@suse.de>
1304 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1305 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1308 2006-06-21 Richrad Guenther <rguenther@suse.de>
1310 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1311 Limit iteration over the dominators.
1313 2006-06-20 Roger Sayle <roger@eyesopen.com>
1315 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1316 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1318 2006-06-20 Richard Guenther <rguenther@suse.de>
1319 Michael Matz <matz@suse.de>
1321 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1323 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1324 * et-forest.h (et_free_pools): Prototype new function.
1325 * et-forest.c (et_free_tree_force): Free parent occurrence.
1326 (et_free_pools): New function.
1327 * dominance.c (free_dominance_info): Free et-forest alloc
1330 2006-06-20 Roger Sayle <roger@eyesopen.com>
1332 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1333 integer modes, attempt to directly construct an integer constant.
1335 * fold-const.c (native_encode_vector): Determine the size of each
1336 element from the vector type instead of the first vector element.
1338 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1339 if all of its elements/components are constant.
1340 (build_constructor_from_list): Likewise.
1342 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1344 PR tree-optimization/27331
1345 * tree-data-ref.c (free_data_ref): New function.
1346 (create_data_ref): Fail if the data reference has unknown access
1348 (free_data_refs): Use free_data_ref.
1350 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1353 * tree-inline.c (setup_one_parameter): Strip useless
1354 type conversion before adding it to the IR.
1355 (declare_return_variable): Likewise.
1357 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1360 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1362 2006-06-19 Mike Stump <mrs@apple.com>
1364 * tree.c (variably_modified_type_p): VM arguments don't make the
1367 2006-06-19 Richard Guenther <rguenther@suse.de>
1369 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1370 type conversions after folding.
1372 2006-06-19 Richard Guenther <rguenther@suse.de>
1374 * ggc-page.c (extra_order_size_tab): Add entries with
1375 size of struct function and basic_block.
1376 (size_lookup): Extend to cover sizes up to 511.
1377 (ggc_alloc_stat): Adjust user.
1378 (ggc_pch_count_object): Likewise.
1379 (ggc_pch_alloc_object): Likewise.
1380 (ggc_pch_write_object): Likewise.
1382 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1384 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1385 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1388 2006-06-19 Denis Chertykov <denisc@overta.ru>
1390 * config/avr/libgcc.S : Correct my wrong previous commit.
1392 2006-06-19 Roger Sayle <roger@eyesopen.com>
1395 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1396 have stripped a SUBREG from the shift count, so we may need to
1397 convert_to_mode back to the type's mode before calling make_tree.
1398 Use new_amount instead of amount to avoid expanding a tree twice.
1400 2006-06-19 Richard Guenther <rguenther@suse.de>
1403 * fold-const.c (operand_equal_p): Check if the argument types
1404 have the same precision before stripping NOPs.
1406 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1408 Fix PR tree-optimization/27341
1409 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1411 * tree-complex.c (pass_lower_complex): Update SMT usage.
1413 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1415 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1416 Add a new alternative to the constraint strings. Add move of
1417 operand 1 to 3 to the splitter definition.
1418 ("doloop_si_long"): Second contraint alternative removed.
1420 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1422 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1423 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1425 (AVR_HAVE_MOVW) Define.
1426 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1427 (ASM_SPEC): Add avr25.
1428 (LINK_SPEC): Add avr25.
1429 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1430 (base_arch_s): Add new member 'have_movw_lpmx'.
1431 (avr_arch_types): Init 'have_movw_lpmx'.
1432 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1433 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1434 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1435 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1436 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1438 (avr_file_start): Do not output '.arh' derective.
1439 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1440 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1441 * config/avr/avr.md (mcu_enhanced): Delete.
1442 (mcu_have_movw): Define.
1443 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1444 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1445 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1446 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1447 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1448 attiny861 and at86rf401 devices.
1450 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1452 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1455 2006-06-17 Karl Berry <karl@gnu.org>
1457 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1458 doc/gccint.texi, doc/install.texi (@dircategory): Use
1459 "Software development" instead of "Programming", following
1460 the Free Software Directory.
1462 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1464 * config/i386/i386.c (legitimate_tls_address)
1465 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1466 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1467 (*tls_dynamic_gnu2_combine_64): Likewise.
1469 2006-06-16 Richard Guenther <rguenther@suse.de>
1472 * fold-const.c (negate_expr_p): Do not introduce undefined
1473 overflow in negating INTEGER_CSTs.
1474 (fold_negate_expr): Rename from negate_expr. Revert last
1475 change for folding BIT_NOT_EXPR. Change semantics to
1476 return NULL_TREE for non-simplified negations. Do not
1477 strip type conversions and unify type handling.
1478 (negate_expr): New function, wrap around fold_negate_expr
1479 but ensure building a tree always. Strip type conversions
1480 here, fold to result type.
1481 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1483 2006-06-16 Roger Sayle <roger@eyesopen.com>
1486 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1487 that (would) return their results in stack registers.
1489 2006-06-16 Michael Matz <matz@suse.de>
1490 Richard Guenther <rguenther@suse.de>
1492 * fold-const.c (fold_truthop): Only return new tree node if
1493 we canonicalized something.
1495 2006-06-16 Richard Guenther <rguenther@suse.de>
1497 * function.h (enum function_frequency): Move declaration
1498 out of struct function.
1499 (struct function): Move bool fields and the enum to the bitfield
1500 section. Reorder elements to avoid padding. Remove unused
1501 fields left over from the RTL inliner removal.
1502 * function.c (free_after_compilation): Do not zero removed fields.
1503 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1504 (ipa-type-escape.o): Likewise.
1506 2006-06-16 Richard Guenther <rguenther@suse.de>
1508 * cgraph.h (struct cgraph_local_info): Turn bool elements
1510 (struct cgraph_node): Likewise.
1511 (struct cgraph_varpool_node): Likewise.
1513 2006-06-15 Richard Guenther <rguenther@suse.de>
1515 * fold-const.c (fold_truth_not_expr): Rename from
1516 invert_truthvalue. Give it fold_* semantics to avoid
1518 (invert_truthvalue): New function. Wrapper around
1519 fold_truth_not_expr.
1520 (optimize_minmax_comparison): Avoid creating garbage.
1521 (fold_unary): Use fold_truth_not_expr for folding
1523 (fold_ternary): Replace uses of invert_truthvalue with
1524 fold_truth_not_expr where applicable.
1525 * tree.h (fold_truth_not_expr): Prototype.
1527 2006-06-16 Richard Guenther <rguenther@suse.de>
1529 PR tree-optimization/27781
1530 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1531 * ipa-pure-const.c (target.h): Include.
1532 (analyze_function): Do not analyze functions that do not
1535 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1538 * tree-dfa.c (referenced_vars_dup_list): Remove.
1539 (find_referenced_vars): Remove assert.
1540 (referenced_var_check_and_insert): Replace dup list with assert.
1541 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1542 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1544 2006-06-15 Richard Guenther <rguenther@suse.de>
1546 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1547 extra unused identifiers if not dumping.
1548 (create_variable_info_for): Likewise.
1550 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1552 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1553 (derive_constant_upper_bound): Derive more precise upper bound in
1554 common cases. Return type changed to double_int.
1555 (record_estimate): Reflect the changed return type of
1556 derive_constant_upper_bound.
1557 * double-int.c (double_int_zext, double_int_sext): Fix.
1559 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1561 * configure.ac (CFLAGS): Get them from the toplevel or from the
1562 configure invocation.
1563 * configure: Regenerate.
1564 * Makefile.in (CFLAGS): Substitute value provided by configure.
1566 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1569 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1570 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1571 rather than calling add_stmt on it.
1572 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1574 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1577 * reload1.c (reload): Remove registers returned by update_eliminables
1578 from used_spill_regs.
1580 2006-06-13 DJ Delorie <dj@redhat.com>
1582 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1584 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1586 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1587 html__strip_dir, html__mkdir_p. Enhance install-html target.
1588 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1589 * configure: Regenerate.
1591 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1593 * fold-const.c (fold_cond_expr_with_comparison): Check for
1594 Objective-C++ as language in deciding COND_EXPR transformation.
1596 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1599 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1600 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1601 * config/sh/lib1funcs.h (SL, SL1): Define.
1602 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1603 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1604 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1605 (OBJS_Os_4_200): New variable.
1606 ($(T)libgcc-Os-4-200.a): Use it.
1607 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1608 when dividing 1 and/or by 0.
1610 2006-06-13 Roger Sayle <roger@eyesopen.com>
1612 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1613 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1614 * configure: Regenerate.
1616 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1618 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1619 for real instruction.
1621 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1624 * haifa-sched.c (check_cfg): Handle special case.
1626 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1629 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1630 Add debug_info parameter. Chain the vars to the BLOCK instead
1631 of the BIND_EXPR if debug info are requested for them.
1632 (pop_gimplify_context): Adjust for above change.
1633 (gimple_add_tmp_var): Likewise.
1634 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1636 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1637 (convert_local_reference): Likewise.
1638 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1639 (finalize_nesting_tree_1): Request that debug info be emitted
1640 for debug_var_chain.
1642 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1644 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1645 for PR target/27863.
1647 2006-06-13 Richard Guenther <rguenther@suse.de>
1650 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1652 2006-06-13 Richard Guenther <rguenther@suse.de>
1654 PR tree-optimization/27830
1655 * tree-inline.c (copy_body_r): For copying the operand
1656 of an ADDR_EXPR make sure to fold &* afterwards.
1658 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1660 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1661 lvalues in the fb_none case with side-effects.
1663 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1665 * tree-flow.h: Remove the prototype for
1666 compute_phi_arg_on_exit.
1667 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1668 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1671 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1673 * builtins.c (expand_builtin_return_addr): Only use
1674 frame_pointer_rtx when count == 0 and we are expanding
1675 __builtin_return_address.
1677 2006-06-12 Fred Fish <fnf@specifix.com>
1679 * config/mips/mips.c (mips_file_start): Create special section
1680 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1682 2006-06-11 Eric Christopher <echristo@apple.com>
1685 * stor-layout.c (place_field): Remove check for
1686 remaining_in_alignment when aligning at the end of a run.
1688 2006-06-11 Eric Christopher <echristo@apple.com>
1691 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1694 2006-06-11 Roger Sayle <roger@eyesopen.com>
1697 Revert incorrect fix for PR target/27158
1698 2006-05-08 Roger Sayle <roger@eyesopen.com>
1699 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1700 of a reg_equiv_constant if the result is a legitimate constant.
1702 2006-06-11 Roger Sayle <roger@eyesopen.com>
1705 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1706 extract a CONST_VECTOR element and interpret it as an integer.
1707 (vspltis_constant): Use const_vector_elt_as_int instead of the
1708 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1709 * config/rs6000/predicates.md (easy_vector_const): Consider
1710 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1712 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1715 * stor-layout.c (update_alignment_for_field): Don't add extra
1716 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1719 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1721 * config/mips/t-rtems: Add EL/EB multilib variants.
1723 2006-06-09 Mike Stump <mrs@apple.com>
1725 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1727 2006-06-09 David Daney <ddaney@avtrex.com>
1729 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1731 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1733 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1735 2006-06-09 Richard Guenther <rguenther@suse.de>
1737 PR tree-optimization/26998
1738 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1739 of signed types, only TYPE_MIN_VALUE is special, but for both,
1740 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1741 in this case, as is -fwrapv.
1743 2006-06-08 Mike Stump <mrs@apple.com>
1746 * config/darwin.c (darwin_asm_output_anchor): Disable
1747 -fsection-anchors on darwin for now.
1748 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1749 * rs6000/rs6000.c (optimization_options): Likewise.
1751 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1754 * config/i386/i386.c (classify_argument): Skip fields with invalid
1757 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1759 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1760 (cse_insn): Likewise for the stack_pointer_rtx.
1762 2006-06-08 Roger Sayle <roger@eyesopen.com>
1764 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1765 conditions from floating point comparisons.
1767 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1770 * expmed.c (struct alg_hash_entry): Fix type of field T
1771 to match synth_mult argument.
1772 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1774 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1777 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1780 2006-06-08 Richard Guenther <rguenther@suse.de>
1783 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1784 only, if overflow is defined and not trapping.
1785 (negate_expr): Likewise.
1787 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1789 PR tree-optimization/27872
1790 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1791 flag on the new exit edge of the unrolled loop.
1793 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1795 PR rtl-optimization/26449
1796 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1798 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1801 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1802 referenced_variables with matching DECL_UID's.
1803 (find_referenced_vars): Make sure duplicate list is empty to start.
1804 (referenced_var_p): Remove.
1805 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1806 Check if var is in the list, and add if needed. Update the duplicate
1807 list if a different var is in the list with the same DECL_UID.
1808 (add_referenced_var): Call routine to check and insert.
1809 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1810 * tree-flow.h (referenced_vars_dup_list): External declaration.
1812 2006-06-07 Fred Fish <fnf@specifix.com>
1814 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1817 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1820 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1821 the imaginary and real parts of a clobbered register.
1822 Emit insn to set the imaginary part.
1824 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1826 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1827 in lieu of unwind-dw2-fde.c.
1829 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1831 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1833 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1836 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1837 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1838 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1839 V4SImode temporaries and operations instead.
1841 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1843 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1846 2006-06-06 Mike Stump <mrs@apple.com>
1848 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1849 installing during build.
1851 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1853 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1855 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1856 * config/ia64/ia64.c (params.h): New header.
1857 (ia64_optimization_options): New function to adjust parameters.
1858 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1859 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1860 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1862 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1864 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1866 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1869 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1871 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1872 Victor Kaplansky <victork@il.ibm.com>
1874 PR tree-optimization/26360
1875 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1878 2006-06-04 Roger Sayle <roger@eyesopen.com>
1879 Andrew Pinski <pinskia@physics.uc.edu>
1882 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1883 for LABEL_DECL before calling DECL_WEAK.
1886 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1887 LABEL_DECL and PARM_DECL.
1889 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1893 * c-decl.c (grokdeclarator): Disallow variably modified types at
1894 file scope. Avoid marking shared array type of constant size as
1897 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1900 * c-common.c (fold_offsetof_1): Handle static members.
1902 2006-06-04 Eric Christopher <echristo@apple.com>
1904 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1905 (debug_rli): Output value for remaining_in_alignment.
1906 (update_alignment_for_field): Unconditionalize
1907 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1908 extra alignment code.
1909 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1910 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1911 * tree.h (record_layout_info_s): Remove prev_packed.
1912 * doc/extend.texi (ms_struct): Add documentation of format.
1914 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1916 * tree.h: Declare folding_initializer.
1917 * builtins.c (fold_builtin_constant_p): Give definite answer
1918 if folding inside an initializer.
1919 * fold-const.c: Define folding_initializer.
1920 (START_FOLD_INIT): Save and then set folding_initializer.
1921 (END_FOLD_INIT): Restore folding_initializer.
1923 2006-06-04 Richard Guenther <rguenther@suse.de>
1925 PR tree-optimization/27039
1926 * fold-const.c (fold_comparison): Handle pointer comparison
1927 again for all comparison codes. Compare offsets in signed
1929 (fold_binary): Move code from here.
1931 2006-06-03 Roger Sayle <roger@eyesopen.com>
1934 * config/i386/i386.c (construct_container): Split static issued_error
1935 flag into issued_sse_arg_error, issued_sse_ret_error and
1936 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1937 requires the use of x87 registers and the user explicitly
1938 specified the -mno-80387 command line option.
1940 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1942 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1943 HAVE_DECL_SIGALTSTACK.
1945 (segv_handler): Use MC_FLD.
1946 * configure.ac: Check for a sigaltstack declaration.
1947 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1948 * configure: Regenerate.
1949 * config.in: Regenerate.
1951 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1954 * Makefile.in (stmp-fixinc): Fix typo.
1956 2006-06-02 Roger Sayle <roger@eyesopen.com>
1958 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1959 are type correct. Clean-up.
1960 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1961 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1963 2006-06-01 DJ Delorie <dj@redhat.com>
1965 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1966 shift, as we've disabled the "switch" insn that needs it.
1968 2006-06-01 Per Bothner <bothner@bothner.com>
1970 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1971 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1972 * c-ppoutput.c (cb_define): Don't increment line 0.
1974 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1976 * doc/invoke.texi: Add cpu_type power6.
1977 * config.gcc: Add cpu_type power6.
1978 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1979 to power5+ with Altivec.
1980 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1981 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1983 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1985 * config/avr/avr.h (SET_ASM_OP): Define.
1987 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1989 * config/bfin/bfin.c: Fix comment typos.
1991 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1994 * doc/install.texi: Document --enable-bootstrap and
1995 --disable-bootstrap.
1997 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1999 * doc/install.texi: Document that InfoZIP can replace jar.
2001 2006-05-31 Roger Sayle <roger@eyesopen.com>
2003 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2004 isn't available, directly generate the simpler x87 patterns without
2005 the (use (const_int 0)).
2006 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2007 implementation isn't available.
2008 (*negdf2_1): Likewise.
2009 (*negxf2_1): XF mode negation is always done using the x87.
2010 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2012 2006-05-31 Roger Sayle <roger@eyesopen.com>
2014 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2015 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2017 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2019 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2021 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2022 * config/bfin/bfin.c (basic-block.h): Include.
2023 (struct machine_function): New.
2024 (bfin_init_machine_status): New.
2025 (override_options): Initialize init_machine_status.
2026 (bfin_hardware_loop): New.
2027 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2028 (DEF_VEC_P (loop_info)): New.
2029 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2030 (struct loop_info): New.
2031 (loop_info): New typedef.
2032 (struct loop_work): New.
2033 (loop_work): New typedef.
2034 (DEF_VEC_O (loop_work)): New.
2035 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2036 (bfin_dump_loops): New.
2037 (bfin_bb_in_loop): New.
2038 (bfin_scan_loop): New.
2039 (bfin_optimize_loop): New.
2040 (bfin_reorg_loops): New.
2041 (bfin_reorg): Use bfin_reorg_loops.
2042 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2044 (I_REGNO_P): Simplify.
2045 (DP_REGNO_P, DPREG_P): New macros.
2046 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2047 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2048 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2049 Add LT_REGS, LC_REGS, LB_REGS.
2050 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2052 (REGNO_REG_CLASS): Deal with loop registers.
2053 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2055 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2056 New constants for loop registers.
2057 (UNSPEC_LSETUP_END): New.
2058 (seq_insns): New define_attr. Set it for appropriate insns.
2059 (movsi_insn): Add alternatives for move from/to
2060 loop count registers.
2061 (doloop_end): New define_expand.
2062 (loop_end): New define_insn.
2063 (define_split for bad doloop_end): New.
2064 (lsetup_with_autoinit): New define_insn.
2065 (lsetup_without_autoinit): New define_insn.
2066 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2067 * config/bfin/predicates.md (lc_register_operand): New.
2068 (lt_register_operand): New.
2069 (lb_register_operand): New.
2070 (nondp_register_operand): New.
2071 (nondp_reg_or_memory_operand): New.
2072 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2074 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2076 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2077 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2079 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2081 * Makefile.in (CATALOGS): Add po/ prefix.
2082 * configure: Regenerated.
2084 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2087 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2088 a shift operand before calling shift_op. Avoid redundant call of
2091 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2092 DJ Delorie <dj@redhat.com>
2094 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2095 we're inserting is a singlt-bit constant.
2097 2006-05-30 Roger Sayle <roger@eyesopen.com>
2099 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2100 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2102 2006-05-30 Roger Sayle <roger@eyesopen.com>
2104 PR tree-optimization/23452
2105 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2106 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2107 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2108 complex values and with -ffast-math for FP complex values.
2110 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2112 * c-common.h: Remove the prototype for yyparse.
2113 * rtl.h: Remove the prototype for init_loop.
2115 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2117 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2120 2006-05-30 Roger Sayle <roger@eyesopen.com>
2122 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2124 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2125 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2127 2006-05-30 Dirk Mueller <dmueller@suse.de>
2130 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2131 for CONSTANT_CLASS_P expresisons.
2133 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2136 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2138 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2140 PR tree-optimization/27779
2141 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2142 initial_condition instead of CHREC_LEFT.
2144 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2146 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2147 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2148 Make prototypes ISO C90.
2150 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2151 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2153 * see.c (see_analyze_one_def): Correct check.
2154 (see_get_extension_data): Check if extension is parallel.
2155 (see_get_extension_reg): Likewise.
2157 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2160 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2161 into register for (code == GTU).
2163 2006-05-29 Roger Sayle <roger@eyesopen.com>
2165 PR tree-optimization/24964
2166 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2167 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2168 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2169 abs(x)*abs(x) as x*x for scalar floating point modes.
2171 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2174 * lambda-code.c (perfect_nestify): Don't copy statements
2175 in the inner loop: move them to the inner loop header.
2177 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2180 * c-tree.texi: Document OpenMP directives and clauses.
2182 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2184 * varasm.c (globalize_decl): Fix indentation.
2186 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2189 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2190 pass_fre, pass_store_ccp, pass_copy_prop,
2191 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2192 pass_return_slot, pass_object_size, pass_lim,
2193 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2194 pass_loop_prefetch and pass_stdarg.
2196 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2198 * config/bfin/bfin.opt (mfdpic): New option.
2199 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2200 (EXTRA_MULTILIB_PARTS): Likewise.
2201 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2202 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2204 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2205 (CRT_CALL_STATIC_FUNCTION): New.
2206 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2208 (CRT_CALL_STATIC_FUNCTION): New.
2209 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2211 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2212 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2213 (initialize_trampoline): Changed to handle FD-PIC code generation.
2214 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2215 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2216 (override_options): Disallow -mid-shared-library -mfdpic combination.
2217 Can't do unaligned ops if FD-PIC.
2218 Turn off flag_pic if trying to generate non-id-shared-library
2219 non-fdpic code, since it's not supported.
2220 (bfin_assemble_integer): New function.
2221 (TARGET_ASM_INTEGER): Define.
2222 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2224 * config/bfin/crtn.s: Restore them.
2225 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2227 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2228 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2229 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2230 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2231 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2233 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2234 FDPIC_REGS and FDPIC_FPTR_REGS.
2235 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2236 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2237 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2238 (load_funcdescsi): New pattern.
2239 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2240 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2241 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2243 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2245 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2248 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2250 * tree-flow.h: Remove the prototype for add_type_alias.
2251 * tree-ssa-alias.c (add_type_alias): Remove.
2253 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2255 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2256 config/fr30/fr30.md, config/i386/i386-interix.h,
2257 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2258 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2259 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2260 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2261 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2262 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2263 Follow spelling conventions.
2264 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2265 Follow spelling conventions.
2267 2006-05-27 Richard Guenther <rguenther@suse.de>
2270 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2271 to produce a constant of value 1 of generic type.
2273 2006-05-27 Dirk Mueller <dmueller@suse.de>
2275 * cgraphunit.c (decide_is_function_needed): Fix wrong
2278 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2280 PR rtl-optimization/27661
2281 * reload.c (find_reloads): When reloading a VOIDmode constant
2282 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2283 use Pmode as mode of the reload register.
2285 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2287 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2288 is enabled at -O and above.
2290 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2293 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2296 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2299 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2300 for anonymous variables explicitly declared by front ends.
2302 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2304 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2305 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2306 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2307 ref-all pointers, run a finalization pass for them.
2308 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2309 (finalize_ref_all_pointers): New function.
2310 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2311 regular pointer type to a ref-all pointer type.
2312 (get_tmt_for): Return the special memory tag for ref-all pointers.
2314 2006-05-25 Richard Guenther <rguenther@suse.de>
2317 * fold-const.c (fold_binary): Do not look at the stripped
2318 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2320 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2322 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2323 for LT and GT if the computed range is effectively empty.
2325 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2328 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2329 mips_quad_format formats instead of ieee_single_format,
2330 ieee_double_format and ieee_quad_format formats, respectively.
2332 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2334 PR tree-optimization/27639
2335 PR tree-optimization/26719
2336 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2337 call to scev_probably_wraps_p.
2338 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2339 used_in_pointer_arithmetic_p, convert_step): Removed.
2340 (nowrap_type_p): New function.
2341 (scev_probably_wraps_p): Rewritten.
2342 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2343 chrec_convert if chrec_convert_aggressive might have been used.
2344 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2345 scev_direction): New functions.
2346 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2347 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2348 instead of convert_step.
2349 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2350 (convert_step): Declaration removed.
2351 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2353 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2355 * df-core.c: Added to header comments.
2356 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2357 df_ur_bb_info, df_urec_bb_info): Added comments.
2358 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2359 urec, ri problems): Fixed header comments.
2360 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2361 code from df_rd_transfer_function.
2363 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2365 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2366 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2367 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2369 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2371 * expr.c (undefined_operand_subword_p): New.
2372 (emit_move_multi_word): Do not generate move from undefined bits
2373 of a paradoxical subreg.
2375 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2377 PR rtl-optimization/27736
2378 * combine.c (replaced_rhs_value): New variable.
2379 (combine_instructions): Set it.
2380 (distribute_notes): When distributing a note in replaced_rhs_insn,
2381 check whether the value was used in replaced_rhs_value.
2383 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2386 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2387 add_referenced_var instead of add_referenced_tmp_var.
2388 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2389 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2391 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2392 tree_optimize_tail_calls_1): Use add_referenced_var.
2393 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2394 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2395 Use add_referenced_var.
2396 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2397 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2398 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2399 Use add_referenced_var.
2400 * tree-dfa.c (struct walk_state): Remove.
2401 (find_referenced_vars): Remove walk state and vars_found hash table.
2402 (make_rename_temp): Use add_referenced_var.
2403 (find_vars_r): Pass less parameters to add_referenced_var.
2404 (referenced_var_p): New. Is var in referenced_var hash table.
2405 (referenced_var_insert): Assert var isn't already in hash table.
2406 (add_referenced_var): Don't need walk_state parameter. Add var if it
2407 isn't already in the hash table.
2408 (add_referenced_tmp_var): Remove.
2409 (find_new_referenced_vars_1): Use add_referenced_var.
2410 * tree-ssa-pre.c (create_expression_by_pieces,
2411 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2412 Use add_referenced_var.
2413 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2414 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2415 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2417 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2418 vect_create_data_ref_ptr, vect_create_destination_var,
2419 vect_init_vector, vect_build_loop_niters,
2420 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2421 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2422 Use add_referenced_var.
2423 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2424 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2425 (add_referenced_var): Add prototype.
2426 * tree-ssa-structalias.c (get_constraint_for,
2427 intra_create_variable_infos): Use add_referenced_var.
2429 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2431 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2432 big-endian paradoxical subregs.
2433 * var-tracking.c (struct micro_operation_def): Document that,
2434 for modify micro operations, insn is the subsequent instruction.
2435 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2436 (var_reg_set, var_mem_set): ... new functions.
2437 (add_stores): Record subsequent insn.
2438 (compute_bb_dataflow): Use new functions for MO_USE.
2439 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2440 notes after the insn, and modify notes before the insn known
2441 to be the subsequent one.
2442 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2444 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2447 * config/i386/i386.c (ix86_expand_builtin): Use
2448 gen_sse3_monitor64 for TARGET_64BIT.
2450 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2452 PR rtl-optimization/26375
2453 PR rtl-optimization/26855
2454 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2456 (df_ru_bb_local_compute): Reversed statements and removed bogus
2457 comment explaining why they should be in wrong order.
2458 (df_ru_dump, df_rd_dump): Enhanced debug info.
2459 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2461 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2462 reaching uses and fixed space problem.
2464 2006-05-23 Jan Hubicka <jh@suse.cz>
2466 * cgraphunit.c (decide_is_function_needed): Also nested functions
2467 and functions declared inline can be optimized out at -O0.
2469 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2471 * doc/install.texi (Configuration): Remove reference to CrossGCC
2475 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2478 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2479 ix86_compare_emitted is non-NULL.
2481 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2484 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2487 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2489 PR rtl-optimization/25514
2490 * combine.c (replaced_rhs_insn): New variable.
2491 (combine_instructions): Set replaced_rhs_insn when trying to replace
2492 a SET_SRC with a REG_EQUAL note.
2493 (distribute_notes): Use replaced_rhs_insn when determining the live
2494 range of a REG_DEAD register.
2496 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2497 Anatoly Sokolov <aesok@post.ru>
2499 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2500 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2501 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2502 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2503 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2504 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2505 at90usb647, at90usb1286 and at90usb1287 devices.
2506 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2507 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2509 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2511 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2513 2006-05-22 Richard Guenther <rguenther@suse.de>
2516 2006-01-31 Richard Guenther <rguenther@suse.de>
2517 Paolo Bonzini <bonzini@gnu.org>
2519 * doc/install.texi (--disable-libgcc-math): Document.
2521 2006-05-22 Richard Guenther <rguenther@suse.de>
2524 2006-01-31 Richard Guenther <rguenther@suse.de>
2526 * doc/invoke.texi (-msselibm): Document.
2527 * target.h (expand_library_builtin): New target hook.
2528 * builtins.c (expand_builtin): Use expand_library_builtin.
2529 (default_expand_library_builtin): New function.
2530 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2531 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2532 (link_gcc_math_spec): Declare.
2533 (static_specs): Add link_gcc_math_spec.
2534 * expr.h (default_expand_library_builtin): Declare.
2535 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2536 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2537 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2538 * config/i386/i386.opt (msselibm): New target option.
2539 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2540 (ix86_init_sse_abi_builtins): New function.
2541 (ix86_expand_library_builtin): Likewise.
2542 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2543 (override_options): Handle error conditions wrt -msselibm.
2544 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2545 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2546 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2549 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2552 * c-common.c (self_promoting_args_p): Skip erroneous args.
2555 * c-decl.c (finish_struct): Skip erroneous fields.
2557 2006-05-22 Nick Clifton <nickc@redhat.com>
2559 * config/cris/cris.opt (march): Remove VarExists attribute.
2560 (max-stackframe=): Likewise.
2562 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2564 * doc/rtl.texi: Fix a typo.
2565 * see.c: Fix comment typos.
2567 * tree-ssa-structalias.h (alias_info): Remove num_references.
2569 2006-05-21 Mike Stump <mrs@apple.com>
2571 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2573 (darwin_pragma_options): Use BAD instead.
2574 (darwin_pragma_unused): Likewise.
2575 (darwin_pragma_ms_struct): Likewise.
2577 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2579 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2581 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2583 PR rtl-optimization/27671
2584 * simplify-rtx.c (simplify_relational_operation_1): Fix
2585 simplifications of (eq/ne (xor x y) y) and
2586 (eq/ne (xor x y) x).
2588 PR tree-optimization/26622.
2589 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2592 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2594 * tree-cfg.c: Prune whitespace.
2595 (debug_tree_cfg): Point to correct header containing the
2598 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2601 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2603 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2606 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2607 or sorry count is non zero.
2609 2006-05-20 Andreas Schwab <schwab@suse.de>
2611 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2613 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2614 Kenneth Zadeck <zadeck@naturalbridge.com>
2616 PR rtl-optimization/26855
2618 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2620 (df_scan_alloc): Added code to properly handle multiword hard
2621 registers and add all_blocks parameter.
2622 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2623 code to properly handle multiword hard registers.
2624 (df_rescan_blocks): Added code to remove deleted blocks from
2626 (df_ref_create_structure, df_ref_record): Added code to properly
2628 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2629 and set DF_REF_PARTIAL.
2630 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2631 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2632 (df_scan_add_problem): Added flags parameter.
2633 (df_ref_create_structure): Changed switching structure.
2634 (df_bb_refs_record): Fixed case where duplicate artificial refs
2635 were created. Changed location of flags.
2636 (df_record_entry_block_defs): Added code to make stack pointer
2637 live in entry block. Refined cases where frame pointer is needed.
2638 Changed location of flags.
2639 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2640 (df_set_state): Removed function.
2641 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2642 df_insn_create_insn_record, df_insn_refs_delete,
2643 df_ref_create_structure): Formatting changes.
2644 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2645 df_delete_basic_block): New function.
2646 (df_init): Changed location of flags.
2647 (df_add_problem): Added flags parameter and the way flags are
2649 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2650 debug_df_chain): Improved debugging output.
2651 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2652 (df_refs_chain_dump): Removed df parameter.
2653 (df_iterative_dataflow): Added consistency check.
2654 (df_prune_to_subcfg): Made public.
2655 (df_analyze_problem): Added blocks_to_init parameter and made
2657 (df_ref_record, df_bb_refs_record, df_mark_reg,
2658 df_record_exit_block_uses): Whitespace changes.
2659 (df_dump): Whitespace changes.
2660 * df.h: Some reordering to remove forward references.
2661 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2662 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2663 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2664 (dataflow.flags): New field.
2665 (df.flag): Deleted field.
2666 (df_alloc_function): Added additional bitmap parameter.
2667 (df_dependent_problem_function): New type.
2668 (df_problem.changeable_flags): New field.
2669 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2670 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2671 (df_mw_hardreg): New struct.
2672 (DF_INSN_UID_MWS): New macro.
2673 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2675 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2676 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2677 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2678 (df_set_state): Removed function.
2679 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2680 * df-problems.c (df_chain_dump): Removed df parameter.
2681 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2682 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2684 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2685 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2686 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2687 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2688 DF_REF_MUST_CLOBBER cases.
2689 (df_ru_bb_local_compute_process_def,
2690 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2691 df_lr_bb_local_compute, df_ur_bb_local_compute,
2692 df_chain_create_bb): Made subreg aware.
2693 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2694 df_lr_bb_local_compute, df_lr_bb_local_compute,
2695 df_chain_create_bb): Cleanup to use proper macros.
2696 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2697 code to fixup bitvectors.
2698 (df_ri_alloc): Cleared lifetime.
2699 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2700 df_create_unused_note): New function.
2701 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2702 REG_DEAD and REG_UNUSED notes as well as register information.
2703 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2704 df_chains_dump): Fixed crash if problem was never run.
2705 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2706 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2707 df_ri_add_problem): Processes flags in uniform manner.
2708 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2709 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2710 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2711 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2712 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2713 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2714 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2715 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2716 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2717 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2718 * see.c (see_initialize_data): Ditto.
2719 * final.c (rest_of_clean_state) Added regstack_completed.
2720 * rtl.h (regstack_completed): Ditto.
2721 * reg-stack.c (regstack_completed): Ditto.
2723 2006-05-19 Mike Stump <mrs@apple.com>
2725 * c-tree.h (default_conversion): Remove.
2726 * c-common.h (default_conversion): Add.
2728 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2730 * tree-vrp.c (valid_value_p): New function.
2731 (adjust_range_with_scev): Fail if the value of bound is not
2734 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2736 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2737 (mips_fallback_frame_state): Use syscall numbers to determine
2738 the appropriate li instruction for the current ABI. Only use
2739 __NR_sigreturn for o32.
2741 2006-05-19 Nicolas Setton <setton@adacore.com>
2743 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2744 * langhooks.c (lhd_dwarf_name): New function.
2745 * langhooks-def.h (lhd_dwarf_name): Declare.
2746 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2747 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2748 * ada/misc.c (gnat_dwarf_name): New function.
2749 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2751 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2753 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2755 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2756 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2757 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2758 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2759 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2760 determine the size of Wtype, etc.
2761 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2762 (swfloatfuncs): New variable.
2763 (dwfloatfuncs): Likewise.
2764 (lib2funcs): Remove floating-point conversion functions from
2765 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2766 the set of conversion routines needed. Allow entries to specify
2767 an object name, filename and word size. Update users accordingly.
2768 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2769 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2773 2006-02-08 Roger Sayle <roger@eyesopen.com>
2776 * config/fixtfdi.c: New libgcc source file.
2777 * config/fixunstfdi.c: New source file.
2778 * config/floatditf.c: New source file.
2779 * config/floatunditf.c: New souce file.
2780 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2781 files above instead of config/mips/_tilib.c.
2782 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2784 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2786 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2787 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2789 2006-05-18 Mike Stump <mrs@apple.com>
2791 Fix up vla, vm and [*] sematics.
2797 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2798 (c_vla_unspec_p): Add.
2799 (c_vla_type_p): Add.
2800 * c-decl.c (struct c_scope): Add had_vla_unspec.
2801 (build_array_declarator): Add support for [*].
2802 (grokdeclarator): Likewise.
2803 (grokparms): Likewise.
2804 (get_parm_info): Likewise.
2805 * c-objc-common.c (c_vla_unspec_p): Likewise.
2806 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2807 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2808 typeof when argument is a variably modified type not inside sizeof or alignof.
2809 (c_parser_direct_declarator_inner): Propagate errors.
2810 (c_parser_sizeof_expression): Add support for [*].
2811 (c_parser_parms_declarator): Initialize had_vla_unspec.
2812 (c_parser_parms_list_declarator): Likewise.
2813 * c-typeck.c (c_vla_type_p): Add.
2814 (composite_type): Add support for vla compositing.
2815 (comptypes_internal): Add support for vla compatibility.
2816 (c_expr_sizeof_expr): Evaluate vla arguments.
2817 * tree.c (variably_modified_type_p): Update comment for [*].
2819 2006-05-18 Michael Matz <matz@suse.de>
2822 * config.host: Make assignments to host_xmake_file cumulative.
2823 * config.host (*-darwin*): Test $host, not $target.
2825 2006-05-12 Stuart Hastings <stuart@apple.com>
2827 * config/i386/i386.opt (-mstackrealign): New flag.
2828 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2829 (ix86_handle_cconv_attribute): Emit error when
2830 force_align_arg_pointer attribute collides with too many regparms.
2831 (ix86_function_regparm): Limit regparms when used with
2832 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2833 Support stack-realigning prologue in non-main functions. Emit
2834 warning for nested functions under -mstackrealign, emit error for
2835 nested functions with force_align_arg_pointer attribute.
2836 * doc/extend.texi (force_align_arg_pointer): Document it.
2837 * doc/invoke.texi (-mstackrealign): Document it.
2839 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2841 PR rtl-optimization/27477
2842 * combine.c (try_combine): Don't split a parallel consisting
2843 of two sets into two individual sets if both sets reference
2846 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2848 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2849 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2851 * doc/options.texi (VarExists): Updated.
2853 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2855 * unwind-dw2.c: Add declarations for uw_update_context and
2857 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2858 detected, advance frame state and context once to skip over stub.
2860 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2864 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2865 Call rewrite_into_loop_closed_ssa only when something changed.
2866 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2867 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2868 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2869 Test for perfect_nest_p here. Fix formating.
2870 (replace_uses_equiv_to_x_with_y): Fix formating.
2871 (stmt_uses_op): Removed.
2872 (can_convert_to_perfect_nest): Removed loopivs parameter.
2873 Complete the test by checking the scalar dependences.
2874 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2877 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2880 From Dan Kegel <dank@kegel.com>:
2881 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2883 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2885 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2886 if the element type is variably modified without recursing.
2888 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2891 * tree-loop-linear.c (try_interchange_loops): Test for
2892 no data dependences.
2894 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2896 PR tree-optimization/27548
2897 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2898 range of ssa names that appear on abnormal edges.
2899 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2900 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2902 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2905 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2907 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2910 * tree.h (OMP_PARALLEL_COMBINED): Define.
2911 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2912 (new_omp_context): Add is_combined_parallel argument.
2913 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2914 new_omp_context caller.
2915 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2916 Adjust gimplify_scan_omp_clauses callers.
2917 (omp_is_private): Issue errors if iteration variable is firstprivate
2918 or reduction in the current context.
2919 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2920 on combined parallel workshare constructs.
2922 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2924 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2925 (gcc-options.o): New rule.
2927 * optc-gen.awk: Protect variables for gcc-options.o with
2928 #ifdef GCC_DRIVER/#endif.
2930 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2932 Fix PR tree-optimization/27373
2933 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2934 (forward_propagate_addr_expr): Update call.
2936 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2938 * doc/options.texi: Move the Negative option.
2940 2006-05-16 Richard Guenther <rguenther@suse.de>
2942 PR tree-optimization/22303
2943 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2945 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2946 ccp_fold did not simplify the statement.
2948 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2951 * Makefile.in (GCC_OBJS): New.
2952 (OBJS-common): Add opts-common.o.
2953 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2954 (cpp$(exeext)): Likewise.
2955 (gcc.o): Also depend on opts.h.
2956 (opts-common.o): New.
2958 * common.opt (gcoff): Add Negative(gdwarf-2).
2959 (gdwarf-2): Add Negative(gstabs).
2960 (gstabs): Add Negative(gstabs+).
2961 (gstabs+): Add Negative(gvms).
2962 (gvms): Add Negative(gxcoff).
2963 (gxcoff): Add Negative(gxcoff+).
2964 (gxcoff+): Add Negative(gcoff).
2965 * config/i386/i386.opt (m32): Add Negative(m64).
2966 (m64): Add Negative(m32).
2968 * doc/options.texi: Document the Negative option.
2970 * gcc.c: Include "opts.h".
2971 (main): Call prune_options after expandargv.
2973 * optc-gen.awk: Generate common declarations for all flag
2974 variables in options.c. Output the neg_index field.
2976 * opts.c (find_opt): Moved to ...
2977 * opts-common.c: Here. New file.
2979 * opts.h (cl_option): Add a neg_index field.
2981 (prune_options): Likewise.
2983 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2986 * omp-low.c (expand_omp_parallel): Don't assert
2987 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2988 instead search for it.
2991 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2994 2006-05-16 Andreas Schwab <schwab@suse.de>
2996 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2999 2006-05-15 Roger Sayle <roger@eyesopen.com>
3002 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3003 integer constants other than zero are only legitimate on TARGET_64BIT.
3004 <CONST_VECTOR> Only zero vectors are legitimate.
3005 (ix86_cannot_force_const_mem): Integral and vector constants can
3006 always be put in the constant pool.
3008 2006-05-16 DJ Delorie <dj@redhat.com>
3010 * crtstuff.c (__dso_handle): Set section from
3011 TARGET_LBIGCC_SDATA_SECTION if defined.
3012 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3013 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3015 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3018 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3021 2006-05-16 Ben Elliston <bje@au.ibm.com>
3023 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3025 2006-05-15 Per Bothner <per@bothner.com>
3027 * tree.c: (last_annotated_node): Use source_locus typedef.
3028 This permits bootstrapping with --enable-mapped-location.
3030 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3032 PR tree-optimization/26830
3033 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3034 (info_for_ssa_name, current_info_for_ssa_name_age,
3035 blocks_to_update): New variables.
3036 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3037 (clear_ssa_name_info, initialize_flags_in_bb,
3038 mark_block_for_update): New functions.
3039 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3040 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3041 prepare_def_site_for): Use mark_block_for_update.
3042 (mark_def_interesting): Assert that the processed block is marked in
3043 blocks_to_update. Do not take blocks argument.
3044 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3046 (rewrite_update_init_block, rewrite_update_stmt): Only process
3047 blocks with statements to rewrite.
3048 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3049 (update_ssa): Initialize and free blocks_to_update. Do not
3050 clear flags on statements. Do not use blocks bitmap.
3051 * tree.h (SSA_NAME_AUX): Removed.
3052 (struct tree_ssa_name): Removed aux field.
3053 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3055 2006-05-15 Richard Guenther <rguenther@suse.de>
3057 PR tree-optimization/27603
3058 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3059 Do computations in original type.
3061 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3063 * see.c: Code style changes such as redundant paranthesis,
3064 redundant intialization of local variables etc.
3065 (see_main): Declared now as static.
3066 * doc/invoke.texi: Update that -fsee is not enabled by
3069 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3071 * omp-low.c (check_omp_nesting_restrictions): New function.
3072 (scan_omp_1): Call it.
3075 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3076 construct, return *VAR.
3078 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3080 PR rtl-optimization/27406
3081 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3084 2006-05-14 Roger Sayle <roger@eyesopen.com>
3086 PR rtl-optimization/27538
3087 * combine.c (expand_compound_operation): Call gen_lowpart
3088 before calling simplify_shift_const.
3090 2006-05-14 Roger Sayle <roger@eyesopen.com>
3092 PR rtl-optimization/22563
3093 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3094 a fixed width bitfield, always force the intermediates into psuedos.
3096 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3099 * mkconfig.sh: Use operator = instead of == for test.
3101 2006-05-13 Nick Clifton <nickc@redhat.com>
3103 * dwarf2out.c (dbx_reg_number): Check return value from
3104 LEAF_REG_REMAP and only use it if it is valid.
3105 (multiple_reg_loc_descriptor): Likewise.
3107 2006-05-13 Richard Guenther <rguenther@suse.de>
3109 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3112 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3114 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3115 information attached to non-INSNs such as NOTEs.
3116 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3118 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3120 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3122 * config/s390/s390.md: Adjust comment describing On constraint.
3124 2006-05-11 Jan Hubicka <jh@suse.cz>
3126 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3127 to be output at -O0.
3129 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3132 * fold-const.c (size_binop): Move sanity check for arguments to
3133 the beginning of the function.
3136 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3139 2006-05-11 Richard Guenther <rguenther@suse.de>
3142 * fold-const.c (fold_unary): Handle intermediate conversion
3143 to a pointer type like intermediate conversion to an integer
3144 type in folding of (T1)(T2)var to var.
3145 Match the code to the comment in the final conversion for
3146 (T1)(T2)var to (T1)var regarding to type precision. Rather
3147 than disallow T1 being of pointer type, assert that both T1
3148 and var are of pointer type or not. Make sure not to fall
3149 over the frontends lazyness wrt array to pointer decay though.
3151 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3153 * arm.c (arm_struct_value_rtx): Delete.
3154 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3155 (arm_init_cumulative_args): Always initialize nregs to zero.
3157 2006-05-10 Richard Guenther <rguenther@suse.de>
3159 PR tree-optimization/27532
3160 * tree-object-size.c (plus_expr_object_size): Fix typo.
3162 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3165 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3166 ashrdi_const, ashrdi3): Use a scratch register.
3168 2006-05-10 Richard Guenther <rguenther@suse.de>
3170 PR tree-optimization/27302
3171 * fold-const.c (operand_equal_p): For two comparisons,
3172 try comparison of one comparison code swapped if that yields
3175 2006-05-10 Ben Elliston <bje@au.ibm.com>
3177 * tree-pretty-print.c (pretty_print_string): No need to handle
3178 '\0' as a special character.
3180 * tree.h: Include "hashtab.h".
3181 (iterative_hash_expr): Use hashval_t in its prototype.
3182 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3184 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3187 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3188 (hppa*64*-*-hpux11*): Ditto.
3189 (hppa[12]*-*-hpux11*): Ditto.
3191 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3194 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3196 2006-05-09 Michael Matz <matz@suse.de>
3198 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3199 host_extra_gcc_objs and host_xmake_file.
3200 (<*-*-linux*>): Don't overwrite host_xmake_file.
3201 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3202 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3203 (host_detect_local_cpu): Declare.
3204 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3205 * config/i386/i386.c (override_options): Handle -mtune=native
3207 * config/i386/x-i386: New file.
3208 * config/i386/driver-i386.c: New file.
3209 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3212 2006-05-09 Dirk Mueller <dmueller@suse.de>
3213 Richard Guenther <rguenther@suse.de>
3216 * fold-const.c (fold_read_from_constant_string): Relax check
3217 for matching types to matching modes.
3219 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3221 PR rtl-optimization/27335
3222 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3225 2006-05-08 Chao-ying Fu <fu@mips.com>
3226 Richard Sandiford <richard@codesourcery.com>
3228 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3229 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3230 * config/mips/mips.md (UNSPEC_SCC): New constant.
3231 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3232 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3233 (mips_emit_compare): Use it.
3234 (mips_expand_vcondv2sf): New function.
3236 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3238 Fix PR tree-optimization/27093
3239 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3240 renaming when they become not-used_alone.
3242 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3244 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3245 relocation and relocation stubs.
3247 2006-05-08 Eric Christopher <echristo@apple.com>
3249 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3252 2006-05-08 Jan Hubicka <jh@suse.cz>
3255 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3256 unused static functions are needed.
3258 2006-05-08 Roger Sayle <roger@eyesopen.com>
3261 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3262 of a reg_equiv_constant if the result is a legitimate constant.
3264 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3267 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3268 standard 80387 constants, raise the cost to prevent
3269 compress_float_constant() to generate load from memory.
3271 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3273 * config/arm/constraints.md (c): Fix a typo.
3275 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3278 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3281 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3283 (_mm_mwait): Likewise.
3285 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3287 (sse3_monitor): Make it 32bit only.
3288 (sse3_monitor64): New. 64bit monitor.
3290 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3293 * config/i386/i386.c (classify_argument): Skip fields with invalid
3296 2006-05-07 Richard Guenther <rguenther@suse.de>
3298 PR tree-optimization/27409
3299 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3300 Do not try to find zero-sized subvars.
3302 2006-05-07 Richard Guenther <rguenther@suse.de>
3304 PR tree-optimization/27136
3305 * tree-ssa-loop-niter.c (get_val_for): Correct function
3306 comment, assert requirements.
3307 (loop_niter_by_eval): Stop processing if the iterated
3308 value did not simplify.
3310 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3312 * opts.c (flag_see): remove its setting at -O3.
3314 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3316 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3317 * arm/constraints.md: New file.
3318 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3319 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3320 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3321 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3322 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3323 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3324 * arm.md: Include constraints.md.
3325 (thumb_movsi_insn): Use satisfies_constraint_J.
3326 (movhi, movqi): Use satisfies_constraint_I.
3328 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3330 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3331 for atmeg a645 device.
3333 2006-05-06 Richard Guenther <rguenther@suse.de>
3335 PR tree-optimization/27151
3336 * tree-vect-transform.c (vectorizable_condition): Punt on
3337 values that have a different type than the condition.
3339 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3342 * c-parser.c (c_parser_cast_expression): Only insert casts into
3343 hash table if pointer.
3344 * function.c (used_types_insert_helper): Rename from
3346 (used_types_insert): Call used_types_insert_helper.
3347 * function.h (used_types_insert): Accept only one argument.
3349 2006-05-05 David Edelsohn <edesohn@gnu.org>
3351 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3352 scratch with output modifier.
3354 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3357 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3358 with output modifier.
3360 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3363 * config/mips/mips.c (mips_symbolic_address_p): Return true
3364 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3365 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3367 2006-05-04 Richard Guenther <rguenther@suse.de>
3369 PR tree-optimization/14287
3370 PR tree-optimization/14844
3371 PR tree-optimization/19792
3372 PR tree-optimization/21608
3373 PR tree-optimization/27090
3374 * tree-ssa-pre.c (try_combine_conversion): New function.
3375 (compute_avail): After constructing the value-handle
3376 expression, use try_combine_conversion to combine NOP_EXPRs
3377 with previous value-handle expressions and use the result if it
3380 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3382 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3384 2006-05-04 Jan Hubicka <jh@suse.cz>
3387 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3389 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3391 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3392 that this only matches CONST_INTs. All users changed to VOIDmode
3395 * config/bfin/bfin.c: Include "optabs.h".
3396 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3398 (enum bfin_builtins): Add a number of fractional and vector builtins.
3399 (bfin_init_builtins): Likewise.
3400 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3401 (safe_vector_operand, bfin_expand_binop_builtin,
3402 bfin_expand_unop_builtin): New functions.
3403 (bfin_expand_builtin): Handle the new builtins.
3404 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3407 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3410 * Makefile.in (OBJS-common): Add see.o.
3411 (see.o): Add dependencies.
3412 * common.opt (fsee): New flag for the see optimization was added.
3413 * opts.c (flag_see): Initialized.
3414 * passes.c (init_optimization_passes, pass_see): New pass.
3415 * rtl.h (see_main): Declaration as extern.
3416 * timevar.def (TV_SEE): New.
3417 * tree-pass.h (pass_see): Declaration as extern.
3418 * invoke.texi (-fsee): Document.
3419 * recog.c (validate_simplify_insn): New function.
3420 * recog.h (validate_simplify_insn): Declaration as extern.
3421 * df-problems.c (df_chain_dump): Check for NULL.
3423 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3424 Daniel Berlin <dberlin@dberlin.org>
3426 * cfgrtl.c (insert_insn_bb_end_new): New function.
3427 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3429 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3431 * df.h (struct web_entry): Moved from web.c.
3432 (union_defs): Declaration as extern.
3433 (unionfind_root): Likewise.
3434 (unionfind_union): Likewise.
3435 * web.c (struct web_entry): Moved to df.h.
3436 (unionfind_root): Remove static declaration.
3437 (unionfind_union): Likewise.
3438 (union_defs): Likewise and generalize to use callback function.
3439 (web_main): Update arguments for union_defs function call.
3441 2006-05-04 Richard Guenther <rguenther@suse.de>
3443 PR tree-optimization/26447
3444 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3445 produce SSA_NAME copies before the store stmt to avoid
3446 breaking exception handling.
3448 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3451 * gimplify.c (omp_is_private): If var is shared in some outer context,
3452 return false instead of true. Stop searching on parallel context
3455 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3458 * coverage.c: Use get_gcov_unsigned_t() instead of
3459 unsigned_type_node all over.
3461 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3463 PR tree-optimization/27381
3464 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3465 maintain the same immediate_use links.
3466 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3467 node rather than segfaulting.
3469 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3472 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3473 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3474 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3476 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3478 Fix PR tree-optimization/26626
3479 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3481 * tree-ssa-operands.c (access_can_touch_variable): Allow
3482 typecasting through union pointers.
3484 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3487 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3488 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3489 to find if var will be a global variable even in the nested context.
3490 (omp_copy_decl): Only check for global variable at the end, it might
3491 be overridden in outer contexts.
3492 (scan_sharing_clauses): For global variables don't create a field.
3493 (lower_rec_input_clauses): Do nothing for global shared variables.
3494 Emit a barrier at the end of ILIST if there were any decls in both
3495 firstprivate and lastprivate clauses.
3496 (lower_send_clauses): Do nothing for global variables except for
3499 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3501 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3502 of the correct signedness is returned.
3504 2006-05-02 Jeff Law <law@redhat.com>
3506 PR tree-optimization/27364
3507 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3508 multiply expressions.
3510 2006-05-02 Tom Tromey <tromey@redhat.com>
3512 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3514 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3517 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3518 -mthumb -fPIC are used.
3520 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3521 Joshua Kinard <kumba@gentoo.org>
3524 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3525 with 64-bit pointers.
3527 2006-05-02 Paul Brook <paul@codesourcery.com>
3529 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3531 (create_fix_barrier): Check that a suitable barrier location is
3533 (arm_reorg): Include ftmp->address in allowable range of addresses.
3535 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3538 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3541 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3544 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3545 around RESULT_DECL for result passed by reference.
3546 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3547 * omp-low.c (use_pointer_for_field): Don't look at
3548 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3549 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3550 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3551 time or var for passing by reference for
3552 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3553 TREE_ADDRESSABLE variables when passing by reference.
3555 * omp-low.c (dump_omp_region): Fix output formatting.
3558 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3559 (expand_omp_parallel): Likewise.
3560 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3563 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3564 on statement list containing also constructors and destructors.
3565 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3568 * except.c (duplicate_eh_regions): Fix clearing of
3569 cfun->eh->region_array entries.
3571 2006-05-01 DJ Delorie <dj@redhat.com>
3573 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3575 (gcc_cv_objdump): Likewise.
3576 * configure: Regenerated.
3578 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3581 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3582 templates for case 3 and 4.
3584 2006-05-01 DJ Delorie <dj@redhat.com>
3586 * vec.c: Include bconfig.h when appropriate.
3587 * Makefile.in (build/vec.o): Adjust dependencies.
3588 * mkconfig.sh: Make sure config.h isn't used for build machine
3591 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3593 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3595 (mark_phi_for_rewrite): New function.
3596 (insert_phi_nodes_for, mark_use_interesting): Call
3597 mark_phi_for_rewrite.
3598 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3599 (update_ssa): Initialize and free phis_to_rewrite.
3601 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3603 PR rtl-optimization/27291
3604 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3605 folded to a constant.
3607 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3609 PR tree-optimization/27283
3610 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3611 not whole # of iteration descriptions.
3612 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3613 uses abnormal ssa name.
3614 (niter_for_single_dom_exit): Ditto.
3615 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3616 return just the number of iterations.
3618 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3620 PR tree-optimization/27144
3621 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3622 (record_estimate): Only record constant upper bound.
3623 (infer_loop_bounds_from_undefined): Call
3624 compute_estimated_nb_iterations just once.
3625 (proved_non_wrapping_p): Renamed to ...
3626 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3627 (convert_step_widening, scev_probably_wraps_p): Call
3628 n_of_executions_at_most instead of proved_non_wrapping_p.
3629 (substitute_in_loop_info): Do not replace values in bounds.
3630 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3633 2006-05-01 Richard Henderson <rth@redhat.com>
3636 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3637 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3640 2006-05-01 Roger Sayle <roger@eyesopen.com>
3642 * c-typeck.c (parser_build_binary_op): Don't call the function
3643 unsigned_conversion_warning to spot operand/result type overflow.
3644 (build_binary_op): Instead, call convert_and_check instead of
3645 convert to report the problem when the operands are promoted.
3646 * c-common.c (unsigned_conversion_warning): Make static.
3647 * c-common.h (unsigned_conversion_warning): Delete prototype.
3649 2006-05-01 Richard Guenther <rguenther@suse.de>
3651 PR tree-optimization/26726
3652 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3654 (find_interesting_uses_address): ... we work around here
3655 by folding INDIRECT_REFs in the substituted base.
3657 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3659 * omp-low.c (dump_omp_region): Add newlines.
3661 2006-04-30 Roger Sayle <roger@eyesopen.com>
3663 * common.opt (Woverflow): New command line option.
3664 * c-common.c (constant_expression_warning): Check warn_overflow.
3665 (overflow_waring): Pass OPT_Woverflow to warning.
3666 (unsigned_conversion_warning): Likewise.
3667 (convert_and_check): Likewise.
3668 * doc/invoke.texi: Document new command line option.
3670 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3672 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3673 TARGET_NO_FP_IN_TOC for section anchors.
3674 (optimization_options): Enable section anchors for all
3675 non-"Objective" languages.
3677 2006-04-28 Eric Christopher <echristo@apple.com>
3679 * config/darwin-c.c (darwin_ms_struct): Move this
3680 (darwin_set_default_type_attributes): and this...
3681 * config/darwin.c: ... here.
3682 * config/darwin.h (darwin_ms_struct): Declare.
3684 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3686 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3688 2006-04-28 Roger Sayle <roger@eyesopen.com>
3691 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3692 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3693 an unsigned HOST_WIDE_INT.
3694 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3696 (really_start_incremental_init): No need to call convert because
3697 bitsize_zero_node is already of type bitsizetype.
3698 (push_init_level): Extract the value of constructor_index as an
3699 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3700 (process_init_element): Likewise.
3702 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3704 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3705 value before passing to make_relative_prefix.
3707 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3710 * builtins.c (expand_builtin_memset): Expand val in original mode.
3712 2006-04-27 Eric Christopher <echristo@apple.com>
3714 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3715 with #ifndef/#endif.
3716 * config/darwin-c.c (darwin_ms_struct): New.
3717 (darwin_pragma_ms_struct): Ditto.
3718 (darwin_set_default_type_attributes): Ditto.
3719 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3720 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3721 Register ms_struct pragma.
3722 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3723 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3724 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3725 darwin_set_default_type_attributes if TARGET_MACHO.
3727 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3729 PR tree-optimization/26854
3730 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3731 * doc/tree-ssa.texi: Update immuse iterator documentation.
3732 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3733 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3734 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3735 first_safe_imm_use, next_safe_imm_use): Remove.
3736 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3737 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3738 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3739 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3740 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3741 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3742 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3743 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3744 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3745 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3746 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3747 (perfect_nestify): Use new iterator.
3748 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3750 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3751 (next_imm_name): New field in struct immediate_use_iterator_d.
3752 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3753 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3754 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3755 * tree-cfg.c (replace_uses_by): Use new iterator.
3756 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3757 * tree-ssa-operands.c (correct_use_link): Remove.
3758 (finalize_ssa_use_ops): No longer call correct_use_link.
3760 2006-04-27 Stuart Hastings <stuart@apple.com>
3762 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3763 * config/t-darwin (crt3.o): Use it.
3764 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3765 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3766 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3767 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3768 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3771 2006-04-27 Roger Sayle <roger@eyesopen.com>
3773 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3774 size, force the intermediate into a new pseudo rather instead of
3775 performing both a bitwise AND and a bitwise IOR in memory.
3777 2006-04-27 Richard Guenther <rguenther@suse.de>
3779 PR rtl-optimization/26685
3780 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3781 this one "max-flow-memory-locations".
3783 2006-04-27 Richard Guenther <rguenther@suse.de>
3785 PR tree-optimization/25148
3786 * tree-vrp.c (compare_values): Remove code dealing with
3787 comparisons against type min/max value. Honour overflow
3788 and negative constants in code dealing with comparisons
3789 of plus and minus expressions.
3790 (value_inside_range): Use fold_binary with LE_EXPR and
3791 GE_EXPR rather than compare_values.
3793 2006-04-27 Dirk Mueller <dmueller@suse.de>
3795 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3798 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3800 * basic-block.h (safe_insert_insn_on_edge): Removed.
3801 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3803 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3804 Paolo Bonzini <bonzini@gnu.org>
3807 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3808 (simplify_and_const_int): Same.
3810 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3812 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3814 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3817 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3818 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3819 cgraph_global_info_ready.
3822 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3825 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3826 either decl or init is error_mark_node.
3829 * tree-flow.h (struct omp_region): Add sched_kind.
3830 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3831 instead of extracting omp for data.
3832 (expand_omp_for): Save extracted sched_kind.
3834 2006-04-25 Roger Sayle <roger@eyesopen.com>
3836 * expmed.c (store_bit_field): Also check whether the bitsize is
3837 valid for the machine's "insv" instruction before moving the
3838 target into a pseudo for use with the insv.
3839 * config/i386/predicates.md (const8_operand): New predicate.
3840 * config/i386/i386.md (extv, extzv, insv): Use the new
3841 const8_operand predicate where appropriate.
3843 2006-04-25 DJ Delorie <dj@redhat.com>
3845 * doc/install.texi (Specific): Clarify that this is not a list of
3846 supported hosts or targets.
3848 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3850 PR rtl-optimization/26725
3851 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3852 block's BB_DIRTY flag.
3854 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3856 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3859 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3860 to print an integer.
3862 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3864 * varasm.c (align_variable): New function.
3865 (get_block_for_decl): Apply align_variable to DECL before
3866 calculating section information.
3867 (assemble_variable): Split out alignment computation.
3869 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3871 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3874 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3876 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3877 MODE_PARTIAL_INT mode.
3878 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3879 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3881 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3882 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3884 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3886 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3888 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3889 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3890 MACFLAG_IH): Likewise.
3891 (movstricthi_1): Renamed from "*movstricthi".
3892 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3893 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3894 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3895 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3896 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3897 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3898 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3899 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3900 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3901 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3902 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3903 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3904 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3905 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3906 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3908 * doc/rtl.texi (ss_ashift): Improve wording.
3910 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3912 * dwarf2out.c (verify_marks_clear): New.
3913 (prune_unused_types): Call verify_marks_clear initially, not
3916 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3918 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3919 * doc/rtl.texi: Document them.
3920 * simplify-rtx.c (simplify_unary_operation,
3921 simplify_binary_operation_1): Don't abort when we see them.
3923 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3926 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3927 * configure.ac: Completely disregard languages that are not
3929 * configure: Regenerated.
3931 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3932 Richard Guenther <rguenther@suse.de>
3934 PR tree-optimization/27236
3935 * tree-inline.c (copy_body_r): Make sure to copy
3936 TREE_THIS_VOLATILE flag.
3938 2006-04-24 Richard Guenther <rguenther@suse.de>
3941 * tree-complex.c (update_parameter_components): Don't handle
3942 unused parameters which have no default def.
3944 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3945 Richard Guenther <rguenther@suse.de>
3947 PR tree-optimization/27218
3948 * tree-inline.c (expand_call_inline): Strip useless type
3949 conversions for the return slot address.
3951 2006-04-24 Richard Guenther <rguenther@suse.de>
3953 * cfgloop.h (struct loops): Remove unused field array. Reorder
3955 (LOOP_PREFETCH): Remove.
3957 2006-04-24 Richard Guenther <rguenther@suse.de>
3959 PR tree-optimization/22525
3960 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3961 variable, adjust types of generated expressions.
3963 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3965 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3966 (tree-vect-patterns.o): Likewise.
3968 (cselib.o): Likewise.
3969 (loop-doloop.o): Likewise.
3970 (regclass.o): Likewise.
3971 (reload1.o): Likewise.
3972 (explow.o): Replace target.h with $(TARGET_H).
3973 (ipa-prop.o): Likewise.
3974 (ipa-cp.o): Likewise.
3975 (ipa-inline.o): Likewise.
3976 (reorg.o): Likewise.
3977 (reg-stack.o): Likewise.
3979 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3981 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3983 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3985 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3987 * configure.ac: Completely disregard languages that are not
3989 * configure: Regenerated.
3992 * c-common.h (c_build_bitfield_integer_type): Declare.
3993 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3994 * c-common.c (c_build_bitfield_integer_type): ... here.
3996 2006-04-23 Roger Sayle <roger@eyesopen.com>
3999 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4000 a SImode SUBREG of a floating point register after no_new_pseudos.
4002 2006-04-23 Roger Sayle <roger@eyesopen.com>
4004 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4005 identify potentially eliminable registers to additionally catch
4006 VIRTUAL_INCOMING_ARGS_REGNUM.
4007 (addsi3): Update the conditions on when to use addsi_small_int.
4009 2006-04-23 Roger Sayle <roger@eyesopen.com>
4012 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4013 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4014 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4016 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4018 * fold-const.c (range_predecessor): Use operand_equal_p
4019 as the predicate for equality.
4020 (range_successor): Likewise.
4022 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4025 * config/soft-fp/op-common.h: Fix a typo.
4027 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4030 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4031 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4033 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4035 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4037 * doc/tm.texi: Fix a typo.
4039 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4041 * dwarf2out.c (struct die_struct): Document that die_sib makes
4042 a circular linked list.
4043 (FOR_EACH_CHILD): New.
4044 (reverse_die_lists): Delete.
4045 (reverse_all_dies): Delete.
4046 (add_dwarf_attr): Correct documentation.
4047 (remove_child_with_prev): New.
4048 (remove_child_TAG): Update for change to die_struct, use
4049 remove_child_with_prev.
4050 (add_child_die): Update for change to die_struct.
4051 (splice_child_die): Use remove_child_with_prev and add_child_die.
4052 (print_die): Use FOR_EACH_CHILD.
4053 (die_checksum): Likewise.
4054 (assign_symbol_names): Likewise.
4055 (output_location_lists): Likewise.
4056 (build_abbrev_table): Likewise.
4057 (calc_die_sizes): Likewise.
4058 (mark_dies): Likewise.
4059 (unmark_dies): Likewise.
4060 (unmark_all_dies): Likewise.
4061 (output_die): Likewise.
4062 (prune_unused_types_mark): Likewise.
4063 (prune_unused_types_walk): Likewise.
4064 (same_die_p): Update for change to die_struct.
4065 (break_out_includes): Likewise.
4066 (prune_unused_types_prune): Likewise.
4067 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4068 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4070 (dwarf2out_finish): Don't call reverse_all_dies.
4072 2006-04-21 Eric Christopher <echristo@apple.com>
4074 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4075 in comments and function names.
4077 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4080 * c-typeck.c (digest_init): Robustify.
4082 * c-typeck.c (pop_init_level): Simplify.
4084 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4086 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4088 2006-04-21 Paul Brook <paul@codesourcery.com>
4090 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4091 hardware floating point.
4093 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4095 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4098 2006-04-21 Nick Clifton <nickc@redhat.com>
4100 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4103 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4106 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4107 C++ lang type in traceback table for Objective-C++.
4109 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4111 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4113 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4115 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4118 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4119 were errors. Remove check for erroneous objects.
4121 2006-04-20 Jeff Law <law@redhat.com>
4123 PR tree-optimization/26854
4124 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4125 checking for zero or one use.
4126 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4127 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4128 * tree-ssa-reassoc.c (negate_value): Similarly.
4129 (reassociate_bb): Similarly.
4131 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4133 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4134 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4135 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4137 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4139 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4140 fp regs if the last fp arg doesn't fit in regs.
4142 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4145 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4146 that the last insn has the REG_INC note.
4148 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4149 Nathan Sidwell <nathan@codesourcery.com>
4152 * stor-layout.c (update_alignment_for_field): Do not align
4154 (place_union_field): Place union field at the start of the union.
4155 (place_field): Move ERROR_MARK check later, and use the current
4156 allocation position to maintain monotonicity.
4158 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4160 * dominance.c: Include timevar.h.
4161 (calculate_dominance_info): Use TV_DOMINANCE.
4162 * timevar.def (TV_DOMINANCE): New timevar.
4163 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4165 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4167 PR rtl-optimization/14261
4168 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4169 move would be an INSV insn.
4170 (noce_process_if_block): Don't optimize if the destination is a
4171 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4173 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4175 * config/s390/s390.md: Add comments with the instructions emitted
4176 by an insn pattern if macros are used.
4178 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4180 PR rtl-optimization/26026
4181 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4182 is a known power of two shifted left a variable amount.
4184 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4186 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4187 to hash table twice when the debug_str section has SECTION_MERGE.
4189 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4191 * config/soft-fp: New directory. From glibc.
4192 * config/soft-fp/t-softfp: New.
4193 * config/soft-fp/README: New.
4194 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4195 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4196 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4197 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4198 * config.gcc: Use rs6000/t-fprules-fpbit or
4199 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4201 * config/rs6000/sfp-machine.h: New. Based on glibc.
4202 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4204 * config/rs6000/t-fprules: Remove fp-bit rules.
4205 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4206 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4207 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4208 (softfp_wrap_start, softfp_wrap_end): New.
4210 2006-04-18 DJ Delorie <dj@redhat.com>
4212 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4214 2006-04-18 Devang Patel <dpatel@apple.com>
4216 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4218 2006-04-18 Nick Clifton <nickc@redhat.com>
4220 * config/sh/t-symbian: Add rule to build sh-c.o
4221 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4222 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4223 (sh_symbian_encode_section_info): Likewise.
4225 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4227 * builtins.c (expand_builtin_strcmp): Cover label definition of
4228 do_libcall with HAVE_cmpstrnsi.
4230 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4232 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4234 * function.h (temp_slot_p): New.
4235 (function): Change the type of x_used_temp_slots to
4236 VEC(temp_slot_p,gc) *.
4238 2006-04-18 Nick Clifton <nickc@redhat.com>
4240 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4241 flag_strength_reduce.
4243 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4245 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4249 Partial revert of revision 112637
4250 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4251 Dale Johannesen <dalej@apple.com>
4254 * regclass.c (struct reg_pref): Update documentation.
4255 (regclass): Set prefclass to NO_REGS if memory is the best option.
4256 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4258 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4260 PR tree-optimization/26821
4261 * tree-ssa-math-opts.c (get_constant_one): New.
4262 (insert_reciprocals): Use it.
4264 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4266 * dwarf2out.c (free_AT): Delete.
4267 (remove_AT): Update string ref counts.
4268 (remove_child_TAG): Don't call free_die.
4270 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4271 or DW_TAG_GNU_EINCL.
4272 (prune_unused_types_walk_attribs): Reset string refcounts.
4273 (prune_unused_types_update_strings): New.
4274 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4275 call free_die. Do call prune_unused_types_update_strings.
4276 (prune_unused_types): Empty debug_str_hash.
4278 2006-04-17 Roger Sayle <roger@eyesopen.com>
4280 * expr.c (expand_assignment): Optimize away no-op moves where the
4281 source and destination are equal and have no side-effects.
4283 2006-04-17 Richard Guenther <rguenther@suse.de>
4286 * reload.c (push_reload): Guard calls to get_secondary_mem
4289 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4291 * alias.c (reg_base_value, old_reg_base_value): Change the
4292 type to VEC(rtx,gc) *.
4293 (REG_BASE_VALUE, find_base_value, record_set,
4294 init_alias_analysis): Use VEC instead of VARRAY.
4296 * alias.c (alias_sets): Change the type to
4297 VEC(alias_set_entry,gc) *.
4298 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4299 VEC instead of VARRAY.
4300 (last_alias_set): Remove.
4302 * cgraph.h (cgraph_edge_p): New.
4303 Update the prototype of cgraph_function_versioning.
4304 * cgraphunit.c (cgraph_copy_node_for_versioning,
4305 cgraph_function_versioning): Use VEC instead of VARRAY.
4306 * ipa-cp.c (ipcp_insert_stage): Likewise.
4308 2006-04-16 Roger Sayle <roger@eyesopen.com>
4311 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4312 "A op B" or "A op C", we may need to convert A to the type of B and C.
4314 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4316 * target.h (struct gcc_target): Add mode_rep_extended.
4317 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4318 (init_num_sign_bit_copies_in_rep): Initialize it using
4320 (truncate_to_mode): Use it.
4321 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4322 * targhooks.h (default_mode_rep_extended): Declare it.
4323 * targhooks.c (default_mode_rep_extended): Define it.
4324 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4325 default_mode_rep_extended.
4326 (TARGET_INITIALIZER): Include it.
4327 * doc/tm.texi (Misc): Document it.
4328 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4329 (mips_truncated_to_mode): New function.
4331 2006-04-16 Roger Sayle <roger@eyesopen.com>
4334 * expr.c (compress_float_constant): Copy the narrow constant into
4335 a new pseudo before extending it to its final width.
4337 2006-04-16 Roger Sayle <roger@eyesopen.com>
4338 Andrew Pinski <pinskia@gcc.gnu.org>
4339 Dale Johannesen <dalej@apple.com>
4342 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4343 special case code to implement V8HImode and V16QImode with SSE2.
4345 2006-04-15 Roger Sayle <roger@eyesopen.com>
4347 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4348 trees are constructed with a suitable tree type.
4350 2006-04-15 Roger Sayle <roger@eyesopen.com>
4352 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4353 (integer_onep): Likewise.
4354 (integer_all_onesp): Likewise.
4355 (integer_pow2p): Likewise.
4356 (integer_nonzerop): Likewise.
4357 (real_zerop): Likewise.
4358 (real_onep): Likewise.
4359 (real_twop): Likewise.
4360 (real_minus_onep): Likewise.
4361 (int_size_in_bytes): Likewise.
4362 (host_integerp): Likewise.
4364 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4366 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4367 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4368 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4370 * tree-ssa-structalias.h (alias_info): Remove num_references.
4372 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4374 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4375 (output_bvb patterns): Likewise.
4376 * pa.c (output_bb): Use 'bb' insn for long branch case.
4377 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4378 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4379 1. Correct length operand for alternatives 1 and 2.
4380 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4381 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4383 2006-04-14 Roger Sayle <roger@eyesopen.com>
4385 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4386 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4387 were accidentally reverted by r112959.
4389 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4392 * except.h (eh_region_outermost): New prototype.
4393 * except.c (eh_region_outermost): New function.
4394 * tree-cfg.c (find_outermost_region_in_block): Use it.
4396 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4398 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4400 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4401 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4402 (init_reload, reload): Use VEC instead of VARRAY.
4403 * reload.h: Update the prototype for
4404 reg_equiv_memory_loc_varray.
4406 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4407 Eric Botcazou <ebotcazou@libertysurf.fr>
4409 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4412 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4415 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4416 to expand fallback builtin function call.
4418 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4421 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4422 and emit libcall here in case the builtin fails.
4423 (expand_builtin_strcmp): Always emit the libcall here on failure.
4425 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4427 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4428 * flow.c (reg_n_info): Change the type to
4429 VEC(reg_info_p,heap) *.
4430 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4432 * regs.h (reg_info_p): New.
4433 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4434 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4435 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4438 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4440 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4442 * params.h (MAX_SCHED_READY_INSNS): New macro.
4443 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4444 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4445 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4446 the ready list for 1 cycle during the first scheduling pass.
4447 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4449 2006-04-13 Richard Henderson <rth@redhat.com>
4452 * gimple-low.c (lower_omp_directive): Remove dead code.
4453 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4454 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4455 * omp-low.c (struct omp_region): Move to tree-flow.h.
4456 (root_omp_region): Export.
4457 (omp_regions, lookup_omp_region): Remove.
4458 (determine_parallel_type): Update for struct omp_region changes.
4459 (dump_omp_region): Dump regions with block numbers.
4460 (new_omp_region): Take type and block instead of stmt; malloc
4462 (free_omp_region_1, free_omp_regions): New.
4463 (expand_parallel_call): Take entry_stmt as argument; update for
4464 changes to omp_region.
4465 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4466 (remove_exit_barriers): New.
4467 (expand_omp_parallel): Update for struct omp_region changes.
4468 (expand_omp_synch): Likewise.
4469 (expand_omp): Likewise.
4470 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4471 (expand_omp_for_static_chunk): Likewise.
4472 (expand_omp_for): Likewise.
4473 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4474 (expand_omp_sections): Similarly, with GOMP_sections_end.
4475 (expand_omp_single): New.
4476 (build_omp_regions_1): Update for OMP_CONTINUE.
4477 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4478 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4479 OMP_SECTIONS_SECTIONS.
4480 (lower_omp_single_simple): Don't emit barrier here.
4481 (lower_omp_single_copy): Likewise.
4482 (lower_omp_single): Fix bindings, and lower to straightline now.
4483 (lower_omp_master, lower_omp_ordered): Likewise.
4484 (lower_omp_critical): Likewise.
4485 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4486 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4487 omp edges, free it afterward.
4488 (make_omp_sections_edges): Remove.
4489 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4490 (move_stmt_r): Handle OMP_CONTINUE.
4491 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4492 statement pointers to basic blocks. Add type member.
4493 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4494 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4495 * tree-inline.c (estimate_num_insns_1): Likewise.
4496 * tree-pretty-print.c (dump_generic_node): Likewise.
4497 * tree-ssa-operands.c (get_expr_operands): Likewise.
4498 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4499 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4500 (OMP_CONTINUE): New.
4501 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4502 (OMP_SECTIONS_SECTIONS): Remove.
4503 (OMP_SECTION_LAST): New.
4504 (OMP_RETURN_NOWAIT): New.
4506 2006-04-13 Roger Sayle <roger@eyesopen.com>
4508 * fold-const.c (native_encode_vector, native_interpret_real):
4509 Correct obvious mistakes in the previous check-in.
4511 2006-04-13 Roger Sayle <roger@eyesopen.com>
4513 * fold-const.c (native_encode_expr): New function to encode
4514 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4515 or VECTOR_CST into a specified buffer.
4516 (native_encode_int): New function.
4517 (native_encode_real): New function.
4518 (native_encode_complex): New function.
4519 (native_encode_vector): New function.
4520 (native_interpret_expr): Inverse of native_encode_expr to convert
4521 a target representation into an INTEGER_CST, REAL_CST etc...
4522 (native_interpret_int): New function.
4523 (native_interpret_real): New function.
4524 (native_interpret_complex): New function.
4525 (native_interpret_vector): New function.
4526 (fold_view_convert_expr): New function to constant fold/evaluate
4527 a VIEW_CONVERT_EXPR of a suitable constant expression.
4528 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4529 Change call of build1 to fold_build1 when constructing a
4532 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4533 Ulrich Weigand <uweigand@de.ibm.com>
4536 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4539 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4542 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4543 optimize to lo_sum for DFmode if !TARGET_FPRS.
4545 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4547 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4548 delete_alias_info, compute_flow_sensitive_aliasing,
4549 group_aliases): Use VEC instead of VARRAY.
4550 * tree-ssa-structalias.c (update_alias_info): Likewise.
4551 * tree-ssa-structalias.h (alias_info): Change the type of
4552 processed_ptrs to VEC(tree,heap) *.
4554 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4557 * config/sh/lib1funcs.h: New file, broken out of:
4558 * config/sh/lib1funcs.asm.
4559 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4561 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4562 * config/sh/lib1funcs-Os-4-200.asm: New file.
4563 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4564 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4565 (EXTRA_MULTILIB_PARTS): Include it.
4566 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4567 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4568 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4569 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4572 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4574 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4575 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4576 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4578 * tree-ssa-live.h: Include vecprim.h.
4579 (tree_partition_associator_d): Change the type of
4580 first_partition to VEC(int,heap) *.
4581 (tpa_first_partition): Use VEC instead of VARRAY.
4583 * Makefile.in (GTFILES): Move functions.h after tree.h.
4584 * function.c (reset_block_changes, record_block_change,
4585 check_block_change, free_block_changes): Use VEC instead of
4587 * function.h (function): Change the type of
4588 ib_boundaries_block to VEC(tree,gc) *.
4589 * tree-inline.c (copy_cfg_body): Initialize
4590 ib_boundaries_block to NULL instead of (varray_type) 0.
4592 2006-04-12 Roger Sayle <roger@eyesopen.com>
4594 * expr.c (emit_group_store): Correct operand order in call to
4595 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4596 a SUBREG_BYTE of zero.
4598 2006-04-12 Richard Guenther <rguenther@suse.de>
4600 * profile.c (compute_branch_probabilities): Remove code
4601 encapsulated in !ir_type (), which are remanents of the
4602 removed RTL profiling code.
4603 * rtl-profile.c: Remove.
4605 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4607 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4608 magic NULL_RTX comment.
4609 (function_arg): Store entire fp arg to mem if any part should go
4611 (rs6000_arg_partial_bytes): Adjust for above change.
4613 2006-04-11 Roger Sayle <roger@eyesopen.com>
4615 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4616 if it hasn't been initialized by dwarf2out_init.
4618 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4620 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4621 symbolic constants in branch patterns.
4623 2006-04-11 Roger Sayle <roger@eyesopen.com>
4625 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4627 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4629 PR rtl-optimization/27073
4630 * gcse.c (try_replace_reg): Revert last change. Continue to search
4631 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4634 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4636 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4637 aggregate types other than record and union types.
4638 (function_arg): Likewise.
4639 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4641 (function_value): In 64-bit mode, return objects that require it
4644 2006-04-11 Roger Sayle <roger@eyesopen.com>
4646 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4648 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4650 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4652 2006-04-03 Jeff Law <law@redhat.com>
4655 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4656 alias information too.
4658 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4660 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4662 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4665 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4666 (premark_used_types_helper): New.
4667 (premark_used_types): New.
4668 (gen_subprogram_die): Call premark_used_types.
4669 (prune_unused_types_walk): Do not prune perennial dies.
4670 * function.c (used_types_insert): New.
4671 * function.h (struct function): Add used_types_hash field.
4672 (used_types_insert): Add prototype.
4673 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4674 * c-parser.c (c_parser_cast_expression): Save casted types in used
4677 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4680 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4681 rs6000_explicit_options.float_gprs.
4683 2006-04-10 Roger Sayle <roger@eyesopen.com>
4685 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4686 from ix86_expand_vector_init_low_nonzero. Take an additional
4687 one_var argument indicating which element is non-zero. Support
4688 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4689 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4690 with one_var instead of ix86_expand_vector_init_low_nonzero.
4692 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4694 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4695 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4696 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4697 build/genextract.o): Depend on vecprim.h.
4698 * cfglayout.c, df-problems.c, function.c, genextract.c,
4699 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4700 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4704 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4706 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4707 Declare VECs of this type.
4708 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4709 (remove_children): Delete.
4710 (add_dwarf_attr): Use VEC routines.
4711 (add_AT_flag): Update for changes to add_dwarf_attr.
4712 (add_AT_int): Likewise.
4713 (add_AT_unsigned): Likewise.
4714 (add_AT_long_long): Likewise.
4715 (add_AT_vec): Likewise.
4716 (add_AT_string): Likewise.
4717 (add_AT_die_ref): Likewise.
4718 (add_AT_fde_ref): Likewise.
4719 (add_AT_loc): Likewise.
4720 (add_AT_loc_list): Likewise.
4721 (add_AT_addr): Likewise.
4722 (add_AT_lbl_id): Likewise.
4723 (add_AT_lineptr): Likewise.
4724 (add_AT_macptr): Likewise.
4725 (add_AT_offset): Likewise.
4726 (add_AT_range_list): Likewise.
4727 (get_AT): Use VEC_iterate.
4728 (remove_AT): Use VEC_ordered_remove.
4729 (free_die): Fold remove_children into here; have it use VEC_iterate.
4730 (print_die): Use VEC_iterate on attrs.
4731 (reverse_die_lists): Don't reverse attr lists.
4732 (die_checksum): Use VEC_iterate on attrs.
4733 (same_die_p): Likewise.
4734 (output_location_lists): Likewise.
4735 (build_abbrev_table): Likewise.
4736 (size_of_die): Likewise.
4737 (unmark_all_dies): Likewise.
4738 (output_abbrev_section): Likewise.
4739 (output_die): Likewise.
4740 (prune_unused_types_walk_attribs): Likewise.
4742 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4744 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4746 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4749 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4751 2006-04-09 Roger Sayle <roger@eyesopen.com>
4753 * expr.c (store_constructor): Don't bother clearing target if
4754 we're about to assign a vector to it using vec_init_optab.
4756 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4758 * tree-ssa-alias.c (lhs_may_store_to): New function.
4759 (recalculate_used_alone): Handle LHS of calls.
4761 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4765 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4766 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4767 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4768 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4769 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4770 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4771 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4772 stubs. Add ".align 8" directives before all ".dword" directives.
4773 (GTHREAD_USE_WEAK): Revise comment.
4774 (TARGET_ATTRIBUTE_WEAK): Define.
4775 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4776 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4777 * stublib.c: New file.
4782 * pa.md (cbranch patterns): Revise arguments used in calls to
4783 output_cbranch, output_bb and output_bvd. Add long branch length
4785 (fbranch patterns): Handle long branches.
4786 (jump): Revise length check. Revise arguments for output_lbranch call.
4787 Add long branch length attributes.
4788 (decrement_and_branch_until_zero): Add long branch length attributes.
4789 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4790 Likewise. Revise arguments for output_parallel_addb and
4791 output_parallel_movb calls.
4792 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4793 output_parallel_movb and output_parallel_addb): Update prototypes.
4794 * pa.c (output_cbranch): Revise arguments. Correct handling of
4795 nullification in long branches.
4796 (output_lbranch): Add new argument to control extraction of delay
4798 (output_bb): Handle long branches.
4799 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4800 output_parallel_addb): Likewise.
4802 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4804 PR rtl-optimization/27073
4805 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4808 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4810 * tree.h (tree_memory_tag): Add old_used_alone.
4811 (SMT_OLD_USED_ALONE): New macro.
4812 * tree-ssa-alias.c (recalculate_used_alone): Stop
4813 marking things for renaming unnecessarily.
4815 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4817 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4818 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4819 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4820 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4821 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4822 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4823 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4824 spelling convensions.
4825 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4826 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4827 typos. Follow spelling conventions.
4829 2006-04-07 DJ Delorie <dj@redhat.com>
4831 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4832 passed on the stack.
4833 (m32c_init_cumulative_args): When a function returns a structure,
4834 always pass the pointer to that return area on the stack.
4835 (m32c_function_arg_advance): Don't increment the parameter number
4836 if we're processing the returned structure pointer.
4837 (pushm_info): Reverse order of registers.
4839 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4841 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4842 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4843 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4844 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4846 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4847 chrec_fold_multiply): Same.
4848 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4849 force_expr_to_var_cost): Same.
4850 * tree-mudflap.c (mf_xform_derefs_1): Same.
4851 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4853 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4855 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4856 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4859 2006-04-07 Jan Hubicka <jh@suse.cz>
4861 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4863 2006-04-07 Richard Guenther <rguenther@suse.de>
4865 PR tree-optimization/26135
4866 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4867 loads for store copy-prop.
4868 (copy_prop_visit_stmt): Likewise.
4870 2006-04-05 Robert Millan <robertmh@gnu.org>
4872 * config/i386/linux.h: Add a comment to mark macros that are
4873 being overriden in config/k*bsd-gnu.h.
4874 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4876 * config/knetbsd-gnu.h: Ditto.
4878 2006-04-06 Jan Hubicka <jh@suse.cz>
4882 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4885 2006-04-06 Mike Stump <mrs@apple.com>
4887 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4888 for HAVE_nonlocal_goto to be consistent.
4889 (expand_builtin_nonlocal_goto): Likewise.
4890 (expand_builtin_strcmp): Use #ifdef instead of #if
4891 for HAVE_cmpstrnsi to be consistent.
4893 2006-04-05 DJ Delorie <dj@redhat.com>
4895 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4898 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4900 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4901 got-relative addressing for anything but SImode.
4903 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4904 even if the calling function doesn't modify them.
4906 2006-04-05 Richard Guenther <rguenther@suse.de>
4908 PR tree-optimization/26919
4909 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4910 to cgraph_estimate_size_after_inlining.
4912 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4914 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4916 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4918 PR tree-optimization/26996
4919 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4920 VECTOR_TYPE variables.
4922 2006-04-05 Richard Guenther <rguenther@suse.de>
4924 PR tree-optimization/26763
4925 * fold-const.c (fold_comparison): Move folding of
4926 PTR + CST CMP PTR + CST ...
4927 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4929 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4931 * doc/install.texi (Prerequisites): Refine some wording on
4932 bootstrapping and ksh.
4933 Move the version numbers of DejaGnu here from the testing section
4934 and fix casing of names.
4935 Fix markup and clarify wording for autogen requirements.
4936 Refer to GCJ instead of just java.
4937 Refer to SVN instead of CVS.
4938 Describe diffutils as useful instead of necessary.
4939 (Downloading the source): Refer to SVN instead of CVS.
4940 Adjust a link to our web site accordingly.
4941 (Configuration): Fix casing of Bison.
4942 (Building): Refer to SVN instead of CVS.
4943 Fix a sentence on the use of Bison and remove duplicate (and
4944 incorrect) version number of Bison requirement.
4945 Remove one redundant list of packages needed for building.
4946 (Specific): Avoid reference to CVS.
4948 2006-04-04 Eric Christopher <echristo@apple.com>
4950 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4951 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4952 (rs6000_handle_struct_attribute): New.
4953 (rs6000_ms_bitfield_layout_p): Ditto.
4955 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4957 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4958 NULL for dso parameter to atexit_common.
4960 2006-04-04 Eric Christopher <echristo@apple.com>
4962 * config/i386/i386.c (machopic_output_stub): Output \t
4963 between instructions and operands.
4965 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4967 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4968 satisfies_constraint_[IL] to explicit tests on value.
4970 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4972 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4973 set_nb_iterations_in_loop): Use build_int_cst instead of
4975 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4976 build_int_cst instead of convert.
4978 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4980 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4981 new value 2 for incoming.
4982 * function.c (expand_function_start): Call struct_value_rtx
4984 * config/sparc/sparc.md: Comment updated_return.
4985 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4986 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4987 struct return if sparc_std_struct_return and incoming is 2.
4988 (print_operand): Do not adjust return if
4989 sparc_std_struct_return.
4991 2006-04-04 Roger Sayle <roger@eyesopen.com>
4993 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4994 convert in the middle-end.
4995 * expr.c (store_expr, store_constructor, get_inner_reference,
4996 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4998 * tree.c (build_range_type): Likewise.
5000 2006-04-04 Tom Tromey <tromey@redhat.com>
5002 * doc/install.texi (Prerequisites): Mention jar.
5004 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5006 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5009 2006-04-04 Matthias Klose <doko@debian.org>
5011 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5012 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5015 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5017 * doc/extend.texi (Function Attributes): Rewrite visibility
5018 attribute documentation.
5019 * doc/invoke.texi (C++ Dialect Options): Rewrite
5020 -fvisibility-inlines-hidden documentation to describe something
5021 entirely different, although in practise compatible.
5022 (Code Gen Options): Warn about system headers in -fvisibility=
5025 * doc/extend.texi (Other Builtins): Document that
5026 __builtin_nan is a compile-time constant only when its argument
5029 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5031 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5032 trying to remove TRUNCATE check if all bits outside the new mode
5033 are identical to the sign bit.
5035 2006-04-03 Jeff Law <law@redhat.com>
5037 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5038 and operand scanning in some common cases.
5040 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5041 Dale Johannesen <dalej@apple.com>
5044 * regclass.c (struct reg_pref): Update documentation.
5045 (regclass): Set prefclass to NO_REGS if memory is the best option.
5046 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5047 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5048 into account. For non-registers, equate an empty preferred
5049 reload class to a `!' in the constraint; move the if clause to
5050 do so after those that reject the insn.
5051 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5053 (find_dummy_reload): Likewise.
5054 * doc/tm.texi (Register Classes): Document what it means
5055 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5056 * config/i386/i386.c (ix86_preferred_reload_class): Force
5057 using SSE registers (and return NO_REGS for floating-point
5058 constants) if math is done with SSE.
5059 (ix86_preferred_output_reload_class): New.
5060 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5061 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5062 * config/i386/i386.md: Remove # register preferences.
5064 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5067 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5068 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5069 the type of nb_iter.
5070 (instantiate_parameters_1): Convert the operands before calling
5071 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5072 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5074 2006-04-02 Roger Sayle <roger@eyesopen.com>
5076 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5077 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5079 * dojump.c (do_jump): Likewise.
5080 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5081 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5082 gimplify_boolean_expr): Likewise.
5083 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5084 * varasm.c (array_size_for_constructor): Likewise.
5085 * tree-object-size.c (compute_object_offset): Likewise.
5087 2006-04-02 Roger Sayle <roger@eyesopen.com>
5090 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5091 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5093 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5095 PR tree-optimization/26939
5096 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5098 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5100 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5101 at_stmt. Convert the type of operands before calling
5102 build_polynomial_chrec.
5103 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5105 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5106 (instantiate_parameters_1): Convert the type of operands before calling
5107 build_polynomial_chrec.
5108 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5109 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5110 reset_evolution_in_loop): Insert asserts to check the types of the
5112 (chrec_type): Moved...
5113 (eq_evolutions_p): Use operand_equal_p.
5114 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5115 the types of the operands.
5116 (chrec_type): ...here.
5117 * tree-data-ref.c (create_data_ref): Convert the operands before
5118 calling chrec_replace_initial_condition.
5119 (same_access_functions, analyze_subscript_affine_affine,
5120 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5121 (compute_subscript_distance, analyze_ziv_subscript,
5122 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5123 analyze_miv_subscript): Convert the operands before calling
5124 chrec_fold_minus or chrec_fold_plus.
5126 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5128 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5129 the dependence_relations vector.
5130 (compute_data_dependences_for_loop): Adjust call to
5131 compute_all_dependences.
5133 2006-04-01 Roger Sayle <roger@eyesopen.com>
5134 Richard Henderson <rth@redhat.com>
5136 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5137 gimple_boolify on the condition before calling gimplify_expr.
5139 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5141 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5142 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5143 the frame size. Update to use the new macros.
5144 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5145 * config/xtensa/ieee754-df.S: Likewise.
5147 2006-03-31 Richard Henderson <rth@redhat.com>
5149 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5150 (make_edges): ... here. Control fallthru creation with a local
5151 variable. Do not play with fake edges.
5152 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5153 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5156 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5158 * dwarf2.h (DW64_CIE_ID): Define.
5159 * dwarf2out.c (DWARF_CIE_ID): Define.
5160 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5161 length header. Use DWARF_CIE_ID.
5162 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5163 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5165 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5167 * config/sh/linux-atomic.asm: New file.
5168 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5170 2006-03-31 DJ Delorie <dj@redhat.com>
5172 * config/m32c/cond.md: Set condition flags properly throughout.
5173 * config/m32c/minmax.md: Likewise.
5174 * config/m32c/prologue.md: Likewise.
5175 * config/m32c/bitops.md: Likewise.
5176 * config/m32c/muldiv.md: Likewise.
5177 * config/m32c/mov.md: Likewise.
5178 * config/m32c/addsub.md: Likewise.
5179 * config/m32c/m32c.md: Likewise.
5180 * config/m32c/jump.md: Likewise.
5181 * config/m32c/shift.md: Likewise.
5183 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5184 conditionally output the pattern for this.
5185 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5186 (m32c_compare_redundant): New.
5187 (m32c_output_compare): New.
5188 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5190 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5191 dest, not src. Allow other 4-byte modes.
5193 2006-03-30 Denis Chertykov <denisc@overta.ru>
5195 * doc/md.texi: Refer to avr/constraints.md instead of
5198 2006-03-30 Roger Sayle <roger@eyesopen.com>
5200 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5201 signed vs. unsigned comparison failures on some hosts.
5203 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5206 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5207 change to FLOAT_REGS.
5209 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5210 (rs6000_override_options): Use it.
5211 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5212 only for -mabi=spe/no-spe and -mabi=altivec.
5214 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5216 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5219 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5221 * Makefile.in: Rename docdir to gcc_docdir.
5223 2006-03-30 Roger Sayle <roger@eyesopen.com>
5226 * expr.c (emit_group_store): Optimize group stores into a pseudo
5227 register by using a paradoxical subreg to initialize the destination
5228 if the first or last member of the group specifies a "low part".
5230 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5233 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5234 * target.h (struct gcc_target.speculate_insn): Change type of the
5235 second parameter to 'int'.
5236 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5237 the second operand of the DEPS_LIST.
5238 (copy_DEPS_LIST_list): Update reference to the second operand of the
5240 * rtl.h (alloc_DEPS_LIST): Update signature.
5241 * sched-int.h (ds_t): Change typedef to 'int'.
5242 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5244 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5246 * haifa-sched.c (try_ready): Change condition to restore
5247 non-speculative pattern of the instruction.
5248 (process_insn_depend_be_in_spec): Code to keep probability of the
5249 speculative dependence non-decreasing.
5251 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5253 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5254 (single_move_for_movmem): ... this. Also change all uses.
5255 (bfin_expand_strmov): Renamed to...
5256 (bfin_expand_movmem): ... this. Also change all uses.
5257 * config/bfin/bfin.md (movstrsi): Renamed to...
5258 (movstrsi): ...this.
5260 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5262 PR tree-optimization/26830
5264 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5265 (copy_prop_visit_stmt): Remove write-only variable ann.
5266 (init_copy_prop): Check variable loop depth here. Do not simulate
5267 memory-tag and virtual operand PHIs except for store copy prop.
5269 2006-03-30 Richard Guenther <rguenther@suse.de>
5271 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5272 variants with double arguments.
5274 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5276 * genpreds.c (write_tm_constrs_h): Delete variable p.
5277 * genconditions.c (write_header): Add tm-constrs.h to included
5279 * genpeep.c (main): Add toplev.h to included headers.
5280 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5281 (build/genpeep.o): Add toplev.h dependency.
5282 * config/rs6000/constraints.md: Add "W" constraint.
5284 2006-03-29 Roger Sayle <roger@eyesopen.com>
5286 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5287 sizes by correctly testing whether the size fits a host integer.
5288 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5289 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5290 SImode range for the default sizetype and bitsizetype.
5292 2006-03-29 Roger Sayle <roger@eyesopen.com>
5294 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5295 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5296 quickly if the argument is already of the correct type.
5297 Call fold_build1 instead of build1. Tidy up blank lines.
5299 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5301 * genemit.c (main): Add tm-constrs.h to included headers.
5302 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5303 * genpeep.c (main): Add tm-constrs.h to included headers.
5304 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5305 (write_tm_constrs_h): this and write complete file.
5306 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5307 (write_insn_preds_c): Add tm-constrs.h to included headers.
5308 (gen_constrs): New variable.
5309 (parse_option): Parse "-c".
5310 (main): Invoke write_tm_constrs_h.
5311 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5312 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5313 (object_out_file): Add tm-constrs.h dependency.
5314 (insn-emit.o): Same.
5315 (insn-output.o): Same.
5316 (insn-peep.o): Same.
5317 (insn-preds.o): Same.
5318 (insn-recog.o): Same.
5319 (tm-constsr.h): New target.
5320 (s-constrs-h): New target.
5322 * config/rs6000/constraints.md: New file.
5323 * config/rs6000/rs6000.c: Include tm-constrs.h.
5324 (num_insn_constant_wide): Convert to satisfies_constraint.
5325 (rs6000_rtx_costs): Convert to satisfies_constraint.
5326 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5327 (CONST_OK_FOR_LETTER_P): Delete.
5328 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5329 (EXTRA_CONSTRAINT): Delete.
5330 (EXTRA_MEMORY_CONSTRAINT): Delete.
5331 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5332 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5333 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5334 satisfies_constraint.
5336 * config/i386/i386.c: Include tm-constrs.h.
5338 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5340 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5341 * tree-data-ref.c (find_data_references_in_loop,
5342 compute_data_dependences_for_loop): Use pointers to VEC.
5343 (analyze_all_data_dependences): Adjust calls.
5344 * tree-data-ref.h (find_data_references_in_loop,
5345 compute_data_dependences_for_loop): Adjust declarations.
5346 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5347 compute_data_dependences_for_loop.
5349 2006-03-29 Paul Brook <paul@codesourcery.com>
5351 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5354 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5356 PR tree-optimization/26859
5357 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5359 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5360 for the step after fold_convert.
5362 2006-03-29 Paul Brook <paul@codesourcery.com>
5364 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5365 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5367 2006-03-29 Paul Brook <paul@codesourcery.com>
5370 * targhooks.c (default_narrow_bitfield): New fuction.
5371 * targhooks.h (default_narrow_bitfield): add prototype.
5372 * target.h (gcc_target): Add narrow_volatile_bitfield.
5373 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5374 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5375 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5376 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5378 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5380 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5382 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5383 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5384 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5385 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5386 (s390_function_arg_float): Allow SDmode and DDmode values to be
5387 passed in floating point registers.
5388 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5389 check with SCALAR_FLOAT_MODE_P.
5390 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5392 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5394 PR tree-optimization/25985
5395 * tree-ssa-loop-niter.c (number_of_iterations_le,
5396 number_of_iterations_ne): Make comments more precise.
5397 (number_of_iterations_cond): Add only_exit argument. Use the
5398 fact that signed variables do not overflow only when only_exit
5400 (loop_only_exit_p): New.
5401 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5402 number_of_iterations_cond.
5404 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5406 PR tree-optimization/26643
5407 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5410 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5412 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5413 (divsi3_i4_int): Likewise.
5415 2006-03-28 Roger Sayle <roger@eyesopen.com>
5417 * expr.c (emit_group_store): Only create a new pseudo reg if the
5418 quantity it needs to hold isn't already a suitable pseudo.
5420 2006-03-28 Jeff Law <law@redhat.com>
5422 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5423 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5425 2006-03-28 Roger Sayle <roger@eyesopen.com>
5427 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5428 the equivalent ~X & Y, and the symmetry related transformations.
5429 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5430 ~X & Y, and symmetry related transforms.
5432 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5434 Revert my 2006-03-27 patches.
5436 2006-03-28 Roger Sayle <roger@eyesopen.com>
5438 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5439 ~(T1)X, when T1 and T2 are integer types of the same precision
5440 and (T2)X isn't an extension.
5442 2006-03-28 Jeff Law <law@redhat.com>
5444 PR tree-optimization/26796
5445 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5446 need EH edge cleanups rather than purging them immediately.
5447 (eliminate_degenerate_phis): Handle queued EH cleanups.
5449 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5451 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5454 2006-03-27 Roger Sayle <roger@eyesopen.com>
5457 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5458 cast BIT_NOT_EXPR operand to the correct type.
5460 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5462 * tree-loop-linear.c: Don't include varray.h.
5463 (gather_interchange_stats, try_interchange_loops,
5464 linear_transform_loops): Use VEC instead of VARRAY.
5465 * lambda-mat.c: Don't include varray.h.
5466 * tree-chrec.c: Same.
5467 * lambda-trans.c: Same.
5468 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5469 VEC instead of VARRAY.
5470 * tree-vectorizer.h: Idem.
5471 * tree-data-ref.c (dump_data_references,
5472 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5473 initialize_data_dependence_relation, finalize_ddr_dependent,
5474 compute_all_dependences, find_data_references_in_loop,
5475 compute_data_dependences_for_loop, analyze_all_data_dependences,
5476 free_dependence_relation, free_dependence_relations,
5477 free_data_refs): Idem.
5478 * tree-data-ref.h (data_reference_p, subscript_p): New.
5479 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5480 VEC instead of VARRAY.
5481 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5482 (find_data_references_in_loop, compute_data_dependences_for_loop,
5483 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5484 dump_data_dependence_relations, free_dependence_relations,
5485 free_data_refs): Adjust declaration.
5486 (lambda_transform_legal_p): Move declaration here...
5487 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5488 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5489 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5490 vect_analyze_data_refs): Use VEC instead of VARRAY.
5491 * lambda.h (lambda_transform_legal_p): ...from here.
5492 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5493 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5494 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5495 tree-chrec.o): Don't depend on VARRAY_H.
5497 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5499 * rtl.def (Copyright): Update date.
5500 (DEPS_LIST): Change type of the second operand to 'int'.
5501 * target.h (Copyright): Update date.
5502 (struct gcc_target.speculate_insn): Change type of the second parameter
5504 * lists.c (Copyright): Update date.
5505 (alloc_DEPS_LIST): Change signature. Update reference to the second
5506 operand of the DEPS_LIST.
5507 (copy_DEPS_LIST_list): Update reference to the second operand of the
5509 * rtl.h (Copyright): Update date.
5510 (alloc_DEPS_LIST): Update signature.
5511 * sched-int.h (Copyright): Update date.
5512 (ds_t): Change typedef to 'int'.
5513 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5515 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5517 * haifa-sched.c (Copyright): Update date.
5518 (try_ready): Change condition to restore non-speculative pattern
5520 (process_insn_depend_be_in_spec): Code to keep probability of the
5521 speculative dependence non-decreasing.
5523 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5525 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5526 shut up the compiler.
5528 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5530 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5531 to use lib prefix for target.
5532 ($(T)libic_invalidate_array_4-200.a): Likewise.
5533 ($(T)libic_invalidate_array_4a.a): Likewise.
5535 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5536 J"orn Rennecke <joern.rennecke@st.com>
5538 * superh.opt: New file.
5539 * sh.c (boardtype, osruntime): Remove.
5540 * superh.h (SUBTARGET_OPTIONS): Remove.
5541 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5543 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5544 arguments with ^ and/or [].
5546 * config.gcc (sh-*-*): Add quoting to account for quirk of
5548 Replace == with = in enable_incomplete_targets test.
5550 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5551 with MASK_LITTLE_ENDIAN.
5553 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5554 * config/sh/sh.opt: Added to some comments.
5555 * config/sh/superh.h: Removed some chaff.
5557 * config/sh/sh.opt: Add m4-[1234]00* options.
5558 * config/sh/sh.c (sh_handle_option): Likewise.
5559 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5560 (ic_invalidate_array_4-100.o): New rule.
5561 ($(T)libic_invalidate_array_4-100.a): Likewise.
5562 (ic_invalidate_array_4-200.o): Likewise.
5563 ($(T)libic_invalidate_array_4-200.a): Likewise.
5564 (ic_invalidate_array_4a.o): Likewise.
5565 ($(T)libic_invalidate_array_4a.a): Likewise.
5566 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5567 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5569 * config/sh/crt1.asm: Merged in profiling code.
5570 * config/sh/superh.h (STARTFILE_SPEC): Override.
5571 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5572 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5573 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5575 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5576 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5577 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5579 * sh.opt (mpretend-cmove): New option.
5580 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5581 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5582 (movsicc): Add TARGET_PRETEND_CMOVE code.
5584 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5586 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5587 s390_class_max_nregs): New function prototypes.
5588 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5589 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5590 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5591 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5593 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5595 * dwarf2out.c (add_location_or_const_value_attribute): Call
5596 tree_add_const_value_attribute if nothing else works.
5597 (reference_to_unused): New.
5598 (rtl_for_decl_init): Use reference_to_unused to decide whether
5599 to output an initializer.
5601 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5604 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5605 peephole removing spe frob_di_df_2.
5607 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5609 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5610 (subscript_dependence_tester_1): Declared.
5611 (print_dir_vectors, print_dist_vectors): New.
5612 (debug_data_dependence_relation): New.
5613 (dump_data_dependence_relation): Print more details.
5614 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5615 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5616 (save_dist_v, save_dir_v, add_outer_distances,
5617 build_classic_dist_vector_1): New.
5618 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5619 Don't test for lambda_vector_lexico_pos.
5620 (same_access_functions, add_multivariate_self_dist,
5621 add_other_self_distances, dir_from_dist): New.
5622 (build_classic_dir_vector): Replace implementation almost identical to
5623 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5625 (subscript_dependence_tester_1): New.
5626 (subscript_dependence_tester): Handle the lexicographically negative
5627 distance vectors by recomputing the dependence relation.
5628 (compute_affine_dependence): Remove parameter loop_nest_depth.
5629 (compute_self_dependence): Don't call compute_subscript_distance.
5630 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5631 Add a parameter for the loop_nest.
5632 (find_loop_nest_1, find_loop_nest): New.
5633 (compute_data_dependences_for_loop): Compute the loop nest, and give
5634 up if the nest is not well formed.
5635 * tree-data-ref.h (loop_p): New.
5636 (struct data_dependence_relation): Replace size_vect field with
5637 loop_nest, a vec of loops.
5638 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5639 (DDR_LOOP_NEST): New.
5640 (print_dir_vectors, print_dist_vectors,
5641 debug_data_dependence_relation): Declared.
5642 (index_in_loop_nest): New.
5643 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5644 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5647 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5649 * simplify-rtx.c (simplify_relational_operation): Call
5650 simplify_relational_operation_1 even if mode is VOIDmode.
5652 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5654 PR tree-optimization/26804
5655 * tree.h (DECL_CALL_CLOBBERED): New macro.
5656 (tree_decl_common): Add call_clobbered_flag.
5657 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5658 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5659 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5660 (mark_non_addressable): Ditto.
5661 * tree-ssa.c (verify_call_clobbered): New function.
5662 (verify_alias_info): Use it.
5663 * tree-pass.h (pass_reset_cc_flags): New prototype.
5664 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5665 (reset_cc_flags): New function.
5666 * passes.c (init_optimization_passes): Call reset_cc_flags after
5667 initializing referenced_vars.
5669 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5670 Roger Sayle <roger@eyesopen.com>
5673 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5674 to 1.0 for non-real operands. Implement A / A optimization for
5677 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5679 * config/i386/i386.c (size_cost): Correct the comment for
5680 cost of storing fp registers.
5681 (i386_cost): Likewise.
5682 (i486_cost): Likewise.
5683 (pentium_cost): Likewise.
5684 (pentiumpro_cost): Likewise.
5685 (k6_cost): Likewise.
5686 (athlon_cost): Likewise.
5687 (k8_cost): Likewise.
5688 (pentium4_cost): Likewise.
5689 (nocona_cost): Likewise.
5690 (generic64_cost): Likewise.
5691 (generic32_cost): Likewise.
5693 2006-03-24 Denis Chertykov <denisc@overta.ru>
5695 * config/avr/avr-protos.h (extra_constraint): Delete.
5696 (extra_constraint_Q): New declaration.
5697 * config/avr/constraints.md: New file.
5698 * config/avr/avr.md: Include it.
5699 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5700 (TMP_REGNO, ZERO_REGNO): Likewise.
5701 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5702 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5703 (extra_constraint): Delete.
5704 (extra_constraint_Q): Test for memory constraint 'Q'.
5705 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5706 (REG_CLASS_FROM_LETTER): Delete.
5707 (CONST_OK_FOR_LETTER_P): Delete.
5708 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5709 (EXTRA_CONSTRAINT): Delete.
5710 (TMP_REGNO): Delete.
5711 (ZERO_REGNO): Delete.
5713 2006-03-24 Jeff Law <law@redhat.com>
5715 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5716 directly. Call mark_new_vars_to_rename slightly earlier.
5718 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5720 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5722 (gen_compile_unit_die): Use new language types for Objective-C and
5724 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5725 DW_LANG_C_plus_plus.
5728 * config/t-darwin (crt3.o): Work around bug 26840.
5729 * config/darwin-crt3.c: Rewrite.
5730 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5732 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5734 * doc/invoke.texi: Document -femit-class-debug-always
5735 * common.opt: Add -femit-class-debug-always.
5737 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5739 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5740 index and base register.
5741 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5742 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5743 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5744 REGNO_OK_FOR_INDEX_P.
5745 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5747 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5748 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5749 REG_OK_FOR_BASE_P): Definitions removed.
5751 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5754 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5755 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5756 set yet or weren't marked as local yet.
5758 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5760 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5763 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5765 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5766 (rs6000_legitimate_small_data_p): Delete.
5767 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5768 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5769 and make static. Add forward declaration. Update uses.
5770 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5771 of offsettable_memref_p.
5772 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5773 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5775 2006-03-24 Jeff Law <law@redhat.com>
5777 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5778 around bug in immediate-use iterator.
5780 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5783 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5784 or __LITTLE_ENDIAN__.
5786 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5788 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5789 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5790 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5791 * config/sh/sh.opt (mdiv=): Amend description.
5792 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5793 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5794 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5795 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5796 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5797 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5798 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5799 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5800 TARGET_DIVIDE_CALL_FP.
5802 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5804 * haifa-sched.c (choose_ready): Fix type of the local variable.
5805 Move local variables. Add comment.
5806 (check_reg_live): Change signature. Make callable from debugger.
5807 * sched-int.h (check_reg_live): Update signature.
5808 * sched-ebb.c (check_reg_live): Update parameters.
5809 * sched-rgn.c (check_reg_live): Ditto.
5810 (region_head_or_leaf_p): Check pointer before dereferencing.
5811 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5812 before reload on optimization levels below 1.
5814 2006-03-23 Richard Henderson <rth@redhat.com>
5816 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5820 * config/alpha/predicates.md (local_symbolic_operand): Reject
5823 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5826 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5827 expressions which have overflowed constants.
5829 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5831 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5833 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5835 * cfgloopmanip.c (create_loop_notes): Removed.
5836 * final.c (final_scan_insn): Do not handle loop notes.
5837 * jump.c (squeeze_notes): Ditto.
5838 * cfglayout.c (skip_insns_after_block,
5839 duplicate_insn_chain): Ditto.
5840 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5842 * cfgloop.h (create_loop_notes): Declaration removed.
5844 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5846 * varasm.c (output_constant_pool): Restore fnname and fndecl
5848 (assemble_start_function): Adjust call accordingly.
5849 (assemble_end_function): Likewise.
5851 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5854 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5857 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5859 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5862 * system.h (ICE_EXIT_CODE): New macro.
5863 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5864 (diagnostic_action_after_output): Likewise.
5865 * gcc.c (fatal_ice): New function.
5866 (execute): Use it instead of fatal.
5867 (fancy_abort): Likewise.
5868 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5870 2006-03-22 Jeff Law <law@redhat.com>
5872 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5873 iv_analyze_result returning false.
5875 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5877 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5879 2006-03-22 Richard Henderson <rth@redhat.com>
5882 * except.c (duplicate_eh_regions_0): New.
5883 (duplicate_eh_region_1): Duplicate the children of the node as
5884 well as the node itself. Link them up properly.
5885 (duplicate_eh_region_2): Merge into ...
5886 (duplicate_eh_regions): ... here. Take copy_region argument, and
5887 copy only a sub-tree if asked. Simplify copying and fixup.
5888 (eh_region_outer_p): New.
5889 * except.h (duplicate_eh_regions): Update decl.
5890 (eh_region_outer_p): Declare.
5891 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5892 (lower_omp_master): Likewise.
5893 (lower_omp_ordered): Likewise.
5894 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5895 (move_stmt_r): Use it to remap labels. Handle recursion vs
5896 remap_decls_p properly.
5897 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5898 (find_outermost_region_in_block): New.
5899 (new_label_mapper): New.
5900 (move_sese_region_to_fn): Copy eh information to the new function
5902 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5904 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5907 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5909 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5910 into shared libraries.
5912 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5914 * doc/md.texi: Refer to i386/constraints.md instead of
5916 * config/i386/constraints.md: New file, extracted from...
5917 * config/i386/predicates.md: ...here.
5918 * config/i386/i386.md: Include constraints.md.
5920 2006-03-21 Jason Merrill <jason@redhat.com>
5922 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5925 * expr.c (init_block_move_fn): Force default visibility.
5926 (init_block_clear_fn): Likewise.
5927 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5928 * targhooks.c (default_external_stack_protect_fail): Likewise.
5930 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5932 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5933 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5934 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5935 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5936 (loadgp): Use mips_current_loadgp_style.
5937 (loadgp_noshared): New pattern.
5938 (sibcall_internal): Use MIPS_CALL.
5939 (sibcall_value_internal): Likewise.
5940 (sibcall_value_multiple_internal): Likewise.
5941 (call_internal): Likewise.
5942 (call_value_internal): Likewise.
5943 (call_value_multiple_internal): Likewise.
5944 (call_split): Use MIPS_CALL and add an 'S' constraint.
5945 (call_value_split): Likewise.
5946 (call_value_multiple_split): Likewise.
5947 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5948 (-mshared): New option.
5949 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5950 (mips_current_loadgp_style): Declare.
5951 * config/mips/mips.c (mips_classify_symbol): Avoid using
5952 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5953 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5954 TARGET_ABSOLUTE_ABICALLS.
5955 (override_options): Adjust comments. Improve the warning that is
5956 issued when -mabicalls and -G are used together.
5957 (mips_file_start): Remove comment.
5958 (mips_current_loadgp_style): New function.
5959 (mips_gnu_local_gp): New variable.
5960 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5962 (mips_output_function_prologue): Use mips_current_laodgp_style.
5963 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5964 the cprestore instruction.
5965 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5966 live for TARGET_ABSOLUTE_ABICALLS.
5967 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5968 (ASM_SPEC): Pass down -mshared and -mno-shared.
5969 (MIPS_CALL): New macro.
5970 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5972 * doc/invoke.texi (-mabicalls): Update documentation.
5973 (-mshared): Document.
5975 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5977 * config/ia64/unwind-hpux.c: New file.
5978 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5980 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5983 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5985 2006-03-21 Jeff Law <law@redhat.com>
5987 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5988 type conversions of a VR_VARYING source to a wider type.
5990 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5992 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5993 tm_file on Solaris 10 and later.
5994 (sparc64-*-solaris2*): Likewise.
5995 (sparc-*-solaris2*): Likewise.
5996 * config/sol26.h: Rename to config/sol2-6.h.
5997 * config/sol2-10.h: New file.
5999 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6002 * tree-ssa-pre.c (create_component_ref_by_pieces):
6005 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6008 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6009 return it immediately.
6011 2006-03-21 Michael Matz <matz@suse.de>
6013 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6015 (remove_arc, add_arc): Update num_out_arcs member.
6016 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6018 (cache_presence): New function.
6019 (compare_states_for_equiv): New function.
6020 (state_is_differed): Don't take number of outargs, adjust callers.
6021 Use new invariant for speeding up.
6022 (init_equiv_class): Create initial classes based on sorted
6024 (partition_equiv_class): Don't track out_arcs_num.
6025 (evaluate_equiv_classes): Call cache_presence on all states and
6028 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6030 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6031 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6032 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6033 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6035 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6036 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6037 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6038 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6039 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6041 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6042 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6043 (REGNO_REG_CLASS): ARGP is in PREGS.
6044 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6046 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6047 to deal with those addresses.
6048 * addresses.h: New file.
6049 * caller-save.c: Include "addresses.h".
6050 (init_caller_save): Use new base_reg_class function.
6051 * rtl-factoring.c: Include "addresses.h".
6052 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6053 * recog.c: Include "addresses.h".
6054 (preprocess_constraints): Use new base_reg_class function.
6055 * regrename.c: Include "addresses.h".
6056 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6057 functions. Keep track of a new var INDEX_CODE to compute valid
6059 (replace_oldest_value_addr): Likewise.
6060 (replace_oldest_value_mem): Use base_reg_class.
6061 * reload.c: Include "addresses.h".
6062 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6063 (find_reloads): Use new base_reg_class function.
6064 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6065 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6066 all callers and prototype changed.
6067 * reload1.c: Include "addresses.h".
6068 (maybe_fix_stack_asms): Use base_reg_class.
6069 * regclass.c: Include "addresses.h".
6070 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6071 (init_reg_autoinc): Use new base_reg_class function.
6072 (record_reg_classes): Likewise.
6073 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6074 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6075 Use new args to compute necessary class.
6077 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6078 regrename.o, rtl-factoring.o): Update dependencies.
6079 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6080 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6081 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6082 REG_OK_FOR_INDEX_P): Delete documentation.
6084 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6086 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6087 from V7 to V9 for Solaris 7 and above.
6089 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6091 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6092 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6093 argument pointers may not alias any other storage.
6094 * common.opt: Define option -fargument-noalias-anything.
6095 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6096 alias semantics is specified by flag_argument_noalias > 2.
6098 2006-03-20 Jeff Law <law@redhat.com>
6100 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6101 (pass_phi_only_cprop): Declare.
6102 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6104 * tree-ssa-dom.c (degenerate_phi_result): New function.
6105 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6106 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6107 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6108 (eliminate_degenerate_phis): Likewise.
6109 (pass_phi_only_cprop): New pass descriptor.
6110 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6111 support code. Callers updated.
6112 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6113 (store_copy_prop): Likewise.
6114 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6116 2006-03-20 Jason Merrill <jason@redhat.com>
6119 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6120 (push_visibility, pop_visibility): Likewise.
6121 * c-pragma.h: Declare them.
6123 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6125 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6127 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6128 parameter and use get_ebb_head_tail.
6129 (sh_md_init_global): Adjust uses of find_regmode_weight.
6131 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6133 * function.h (struct function) <x_tail_recursion_reentry>:
6134 Rename to x_stack_check_probe_note.
6135 (tail_recursion_reentry): Rename to stack_check_probe_note.
6136 * function.c: Replace tail_recursion_reentry with
6137 stack_check_probe_note everywhere.
6138 (expand_function_start): Only emit a note for
6139 stack_check_probe_note with -fstack-protect.
6140 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6142 * emit-rtl.c (remove_unnecessary_notes): Remove.
6143 (pass_remove_unnecessary_notes): Remove.
6144 * rtl.h (remove_unnecessary_notes): Remove prototype.
6145 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6146 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6147 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6149 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6152 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6153 (valid_in_set): Handle ARRAY_REF.
6154 Change "if min_variant or VH" to asserts.
6155 (create_component_ref_by_pieces): Handle ARRAY_REF.
6156 (create_expression_by_pieces): Likewise.
6157 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6159 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6161 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6162 is operand of switch, not str[0].
6164 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6166 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6167 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6169 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6171 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6172 end of insn_extra_address_constraint declaration.
6174 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6176 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6177 (no-sum-in-toc): Same.
6178 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6180 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6181 NO_FP_IN_TOC for -fPIC instead of mask.
6183 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6184 (BOOT_LDFLAGS): Delete.
6186 * config/rs6000/t-aix52: Same.
6188 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6189 (stmsi[345678]_power): New.
6191 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6193 * config/ia64/ia64.opt: Add empty line to end of file.
6195 2006-03-17 Richard Guenther <rguenther@suse.de>
6198 * builtins.c (get_pointer_alignment): For component style references
6199 adjust alignment to the component type alignment. Make sure
6200 to adjust alignment for component access of constants.
6202 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6204 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6207 2006-03-17 Paul Brook <paul@codesourcery.com>
6209 * doc/install.texi: Docuemnt --with-mode.
6210 * config.gcc: Add --with-mode for arm*-*-*.
6211 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6213 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6215 * sh.c (max_labelno_before_reorg): New variable.
6216 (sh_reorg): Initialize it.
6217 (find_barrier): Check max_labelno_before_reorg before using
6218 label_to_alignment. Take length of explicit alignment insns
6219 into account. When seeing a UNSPECV_CONST_END, return it.
6221 * sh.c (fixup_mova): Set mode of affected label to QImode.
6222 (untangle_mova): New function.
6223 (find_barrier): Use it. Check mode of label before decrementing
6225 (sh_reorg): Likewise.
6226 Set mode of all insns back to VOIDmode.
6228 * sh.c (MOVA_LABELREF): New macro.
6229 (mova_p, fixup_mova, sh_reorg): Use it.
6230 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6231 ADDR_DIFF_VEC matches mova.
6233 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6235 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6236 with ATTRIBUTE_UNUSED.
6238 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6240 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6241 pointer, instead of assuming it is possible to derive the
6242 correct args size from a call insn.
6244 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6246 * rtl.h (CONST_INT_P): Define.
6247 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6248 instead of GET_CODE(x) == CONST_INT.
6249 (vax_rtx_costs): Likewise.
6250 (vax_output_int_move): Likewise.
6251 (vax_output_int_add): Likewise.
6252 (legitimate_constant_address_p): Likewise.
6253 (index_term_p): Likewise.
6254 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6255 * config/vax/vax.md (and<mode>3): Likewise.
6256 (ashrsi3): Likewise.
6258 (movstricthi): Likewise.
6259 (movstrictqi): Likewise.
6260 (rotrsi3): Likewise.
6261 (five unnamed insns): Likewise.
6263 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6265 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6266 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6267 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6268 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6269 Pass to ASM_OUTPUT_DWARF_OFFSET.
6270 * dwarf2out.c (debug_frame_section): New.
6271 (output_call_frame_info): Use debug_frame_section. Pass it to
6272 dw2_asm_output_offset.
6273 (output_die): Pass appropriate section to dw2_asm_output_offset.
6274 (output_compilation_unit_header): Likewise.
6275 (output_pubnames): Likewise.
6276 (output_aranges): Likewise.
6277 (enum dw_val_class): Break dw_val_class_lbl_offset into
6278 dw_val_class_lineptr and dw_val_class_macptr.
6279 (add_AT_lbl_offset): Delete.
6280 (add_AT_lineptr): New.
6281 (add_AT_macptr): New.
6282 (AT_lbl): Expect a lineptr or macptr.
6283 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6284 (attr_checksum): Likewise.
6285 (same_dw_val_p): Likewise.
6286 (size_of_die): Likewise.
6287 (value_format): Likewise.
6288 (output_die): Likewise.
6289 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6291 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6292 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6293 * config/darwin-protos.h (darwin_file_start): New.
6294 (darwin_asm_output_dwarf_offset): New.
6295 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6296 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6298 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6299 if not EH section; simplify.
6300 (darwin_file_start): New.
6301 (darwin_asm_output_dwarf_offset): New.
6302 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6304 (DEBUG_INFO_SECTION): Likewise.
6305 (DEBUG_ABBREV_SECTION): Likewise.
6306 (DEBUG_ARANGES_SECTION): Likewise.
6307 (DEBUG_MACINFO_SECTION): Likewise.
6308 (DEBUG_LINE_SECTION): Likewise.
6309 (DEBUG_LOC_SECTION): Likewise.
6310 (DEBUG_PUBNAMES_SECTION): Likewise.
6311 (DEBUG_STR_SECTION): Likewise.
6312 (DEBUG_RANGES_SECTION): Likewise.
6313 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6314 (ASM_OUTPUT_DWARF_OFFSET): New.
6316 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6318 * config.gcc (tm_defines): Always add to previous value rather
6321 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6323 * config/mips/predicates.md (splittable_const_int_operand): New,
6324 split from move_operand.
6325 (splittable_symbolic_operand): New.
6326 (move_operand): Add commentary. Use splittable_const_int_operand.
6327 Inline mips_atomic_symbolic_constant_p.
6328 * config/mips/mips.md: Add combine splitters for handling moves
6329 of splittable_const_int_operands and splittable_symbolic_operands.
6330 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6331 (mips_split_symbol): Declare.
6332 (mips_move_integer): Declare.
6333 * config/mips/mips.c (mips_split_p): Make global.
6334 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6335 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6336 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6337 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6338 (mips_offset_within_object_p): Handle block symbols.
6339 (mips_atomic_symbolic_constant_p): Delete.
6340 (mips_cannot_force_const_mem): Return false for constants that
6341 mips_legitimize_move can handle.
6342 (mips_use_blocks_for_constant_p): New function.
6343 (mips_split_symbol): Make global.
6344 (mips_move_integer): Likewise. Add a temporary register argument.
6345 (mips_legitimize_const_move): Use splittable_const_int_operand and
6346 splittable_symbolic_operand.
6347 (mips_use_anchors_for_symbol_p): New function.
6348 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6349 (mips_split_p): Declare.
6351 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6353 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6354 (mips*-*-linux*): Likewise.
6356 2006-03-16 Roger Sayle <roger@eyesopen.com>
6357 Daniel Speyer <dspeyer@wam.umd.edu>
6360 * tree-dump.c (dump_real): New function.
6361 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6362 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6363 (tree-dump.o): Add $(REAL_H) to the dependencies.
6365 2006-03-16 Roger Sayle <roger@eyesopen.com>
6368 * real.c (real_from_string): If the mantissa is zero, don't bother
6369 parsing the exponent as the result should always be zero.
6371 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6373 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6375 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6377 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6378 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6379 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6380 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6381 ia64_sched_finish_global): New static functions to implement
6382 hooks from gcc_target.sched.
6383 (spec_check_no, max_uid, pending_data_specs): New static variables.
6384 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6385 ia64_spec_check_src_p): New static functions.
6386 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6387 (TARGET_SCHED_ADJUST_COST): Removed.
6388 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6389 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6390 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6391 TARGET_SCHED_GEN_CHECK,
6392 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6393 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6394 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6395 Fixed to handle speculation checks.
6396 (rtx_needs_barrier): Fixed to handle speculative loads and
6398 (ia64_variable_issue): Added code to count speculative loads and their
6400 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6402 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6404 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6406 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6407 (ia64_reorg): Reset stops_p to NULL after it is freed.
6408 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6409 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6410 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6412 (data_speculative, control_speculative, check_load): New attributes.
6413 (mov<mode>_advanced, mov<mode>_speculative,
6414 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6415 zero_extend<mode>di2_speculative,
6416 zero_extend<mode>di2_speculative_advanced): New patterns for
6417 data and control speculative loads.
6418 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6420 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6421 New pattern for data and control speculation checks.
6422 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6423 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6424 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6425 Auxiliary definitions for the patterns.
6426 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6427 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6429 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6431 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6432 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6433 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6434 New resource constraints.
6435 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6437 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6438 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6439 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6440 msched-in-control-spec, msched-ldc, msched-control-ldc,
6441 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6442 msched-prefer-non-control-spec-insns,
6443 msched-count-spec-in-critical-path): New flags to tune speculative
6445 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6446 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6447 msched-in-control-spec, msched-ldc, msched-control-ldc,
6448 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6449 msched-prefer-non-control-spec-insns,
6450 msched-count-spec-in-critical-path): Document new flags.
6452 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6454 * target.h (struct spec_info_def): New opaque declaration.
6455 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6456 speculate_insn, needs_block_p, gen_check,
6457 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6458 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6459 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6460 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6461 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6462 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6464 (TARGET_SCHED): Use new macros.
6465 * rtl.h (copy_DEPS_LIST_list): New prototype.
6466 * sched-int.h (struct sched_info): Change signature of new_ready field,
6467 adjust all initializations. New fields: add_remove_insn,
6468 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6469 region_head_or_leaf_p.
6470 (struct spec_info_def): New structure declaration.
6471 (spec_info_t): New typedef.
6472 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6473 recovery_block, orig_pat.
6474 (glat_start, glat_end): New variables declaraions.
6475 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6477 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6478 DETACH_LIFE_INFO, USE_GLAT.
6479 (enum SPEC_SCHED_FLAGS): New enumeration.
6480 (NOTE_NOTE_BB_P): New macro.
6481 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6482 attach_life_info, debug_spec_status, check_reg_live): New functions.
6483 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6484 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6486 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6487 * ddg.c (get_block_head_tail): Adjust all uses.
6488 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6489 (sms_sched_info): Initialize new fields.
6490 (contributes_to_priority): Removed.
6491 * haifa-sched.c (params.h): New include.
6492 (get_block_head_tail): Adjust all uses.
6493 (ISSUE_POINTS): New macro.
6494 (glat_start, glat_end): New global variables.
6495 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6496 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6497 old_last_basic_block, before_recovery, current_sched_info_var,
6498 rgn_n_insns, luid): New static variables.
6499 (insn_cost1): New function. Move logic from insn_cost to here.
6500 (find_insn_reg_weight1): New function. Move logic from
6501 find_insn_reg_weight to here.
6502 (reemit_notes, move_insn, max_issue): Change signature.
6503 (move_insn1): Removed.
6504 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6505 extend_bb): New static functions to support extension of scheduler's
6507 (generate_recovery_code, process_insn_depend_be_in_spec,
6508 begin_speculative_block, add_to_speculative_block,
6509 init_before_recovery, create_recovery_block, create_check_block_twin,
6510 fix_recovery_deps): New static functions to support
6511 generation of recovery code.
6512 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6513 restore_bb_notes, move_block_after_check, move_succs): New static
6514 functions to support ebb scheduling.
6515 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6516 functions to support handling of register live information.
6517 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6518 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6519 add_jump_dependencies): New static functions.
6520 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6521 consistancy checking.
6522 (debug_spec_status): New function to call from debugger.
6523 (priority): Added code to handle speculation checks.
6524 (rank_for_schedule): Added code to distinguish speculative instructions.
6525 (schedule_insn): Added code to handle speculation checks.
6526 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6527 Fixed to handle ebbs.
6528 (move_insn): Added code to handle ebb scheduling.
6529 (max_issue): Added code to use ISSUE_POINTS of instructions.
6530 (choose_ready): Added code to choose between speculative and
6531 non-speculative instructions.
6532 (schedule_block): Added code to handle ebb scheduling and scheduling of
6533 speculative instructions.
6534 (sched_init): Initialize new variables.
6535 (sched_finish): Free new variables. Print statistics.
6536 (try_ready): Added code to handle speculative instructions.
6537 * lists.c (copy_DEPS_LIST_list): New function.
6538 * sched-deps.c (extend_dependency_caches): New function. Move logic
6539 from create_dependency_caches to here.
6540 (get_dep_weak, ds_merge): Make global.
6541 * genattr.c (main): Code to output prototype for
6542 dfa_clear_single_insn_cache.
6543 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6544 (output_dfa_clean_insn_cache_func): Code to output
6545 dfa_clear_single_insn_cache function.
6546 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6548 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6550 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6551 New static variables.
6552 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6553 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6555 (ebb_sched_info): Initialize new fields.
6556 (get_block_head_tail): Adjust all uses.
6557 (compute_jump_reg_dependencies): Fixed to use glat_start.
6558 (schedule_ebb): Code to remove unreachable last block.
6559 (schedule_ebbs): Added code to update register live information.
6560 * sched-rgn.c (region_sched_info): Initialize new fields.
6561 (get_block_head_tail): Adjust all uses.
6562 (last_was_jump): Removed. Adjust users.
6563 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6564 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6565 Implement new hooks.
6566 (check_dead_notes1): New static function.
6567 (struct region): New fields: dont_calc_deps, has_real_ebb.
6568 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6569 (BB_TO_BLOCK): Fixed to handle EBBs.
6570 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6571 (ebb_head): New static variable.
6572 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6573 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6575 (compute_dom_prob_ps): New assertion.
6576 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6577 global_live_at_start.
6578 (init_ready_list): New assertions.
6579 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6580 (new_ready): Add support for BEGIN_CONTROL speculation.
6581 (schedule_insns): Fixed code that updates register live information
6583 (schedule_region): Fixed to handle EBBs.
6584 (init_regions): Use extend_regions and check_dead_notes1.
6585 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6586 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6587 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6588 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6589 TARGET_SCHED_GEN_CHECK,
6590 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6591 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6592 * doc/invoke.texi (max-sched-insn-conflict-delay,
6593 sched-spec-prob-cutoff): Document.
6595 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6597 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6598 inter_tick, queue_index.
6599 (struct sched_info): Change signature of init_ready_list field.
6600 Adjust all initializations.
6601 (RESOLVED_DEPS): New access macro.
6602 (ready_add): Remove prototype.
6603 (try_ready): Add prototype.
6604 * sched-rgn.c (init_ready_list): Use try_ready.
6605 (schedule_region): Initialize
6606 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6607 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6608 (init_ready_list): Use try_ready.
6609 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6610 * lists.c (remove_list_elem): Remove `static'.
6611 (remove_free_INSN_LIST_elem): New function.
6612 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6613 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6614 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6616 (readyp): New variable.
6617 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6618 change_queue_index, resolve_dep): New static functions.
6619 (try_ready): New function. Adjust callers in sched-rgn.c and
6620 sched-ebb.c to use it instead of ready_add.
6621 (clock_var): Move at the begining of file.
6622 (rank_for_schedule): Fix typo.
6623 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6624 (ready_lastpos): Enforce assertion.
6625 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6627 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6628 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6629 (queue_to_ready): Use free_INSN_LIST_list.
6630 (early_queue_to_ready): Fix typo.
6631 (schedule_block): Init readyp. Move init_ready_list call after the
6632 initialization of clock_var. Fix error in rejecting insn by
6633 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6634 that previously corrected INSN_TICKs. Add code for handling
6636 (set_priorities): Fix typo.
6637 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6638 Clarify comment and code that keeps current_sched_info->next_tail
6641 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6643 * sched-rgn.c (extend_rgns): New static function.
6644 (find_rgns): Use it.
6645 (gather_region_statistics, print_region_statistics): New static
6647 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6648 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6650 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6651 Andrey Belevantsev <abel@ispras.ru>
6653 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6654 * lists.c (unused_deps_list): New variable.
6655 (free_list): Add assertions to verify the proper distinguishing
6656 between INSN_LISTs and DEPS_LISTs.
6657 (find_list_elem, remove_list_elem, remove_list_node): New static
6659 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6660 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6661 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6662 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6664 (free_INSN_LIST_node): Likewise.
6665 * modulo-sched.c (current_sched_info): Initialize flags field.
6666 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6667 * rtl.def (DEPS_LIST): Define.
6668 * rtl.h: Declare new functions from lists.c.
6669 * sched-deps.c (spec_dependency_cache): New static variable.
6670 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6671 (add_dependence): Change return type to void. Move the logic to ...
6672 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6673 (delete_all_dependences): Add comment about forward_dependency_cache.
6674 Handle spec_dependency_cache. Handle DEPS_LISTs.
6675 (fixup_sched_groups): Clarify the change of priority of output
6676 and anti dependencies.
6677 (sched_analyze_2): Adjust add_dependence calls to create data
6678 speculative dependence.
6679 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6680 Adjust all callers. Handle DEPS_LISTS.
6681 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6682 presence of speculation.
6683 (init_dependency_caches, free_dependency_caches):
6684 Handle spec_dependency_cache.
6685 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6686 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6687 New static functions.
6688 (add_or_update_back_dep, add_or_update_back_forw_dep,
6689 add_back_forw_dep, delete_back_forw_dep): New functions.
6690 * sched-int.h (ds_t, dw_t): New typedefs.
6691 (struct sched_info): Add new field flags.
6692 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6693 Prototype new sched-deps.c functions.
6694 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6695 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6696 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6697 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6698 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6699 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6701 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6703 * sched-rgn.c (current_sched_info): Initialize flags field.
6704 (schedule_insns): Initialize current_sched_info before the sched_init
6706 * sched-ebb.c (current_sched_info): Initialize flags field.
6707 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6708 Call add_or_update_back_dep instead of add_dependence.
6709 Create control speculative dependencies.
6710 (schedule_insns): Initialize current_sched_info before the sched_init
6713 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6715 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6717 (sh_fallback_frame_state): Likewise.
6719 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6721 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6722 Do switch on default_use_cxa_atexit.
6723 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6724 * config/darwin-crt3.o: New.
6725 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6726 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6727 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6729 * config/rs6000/t-darwin: Move crt2.o building to here.
6730 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6731 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6734 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6736 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6737 from '! xxx' to '!xxx' for coding-style conformance.
6738 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6739 (EXTRA_CONSTRAINT): Likewise.
6740 * config/vax/vax.md (four unnamed insns): Likewise.
6742 2006-03-15 Paul Brook <paul@codesourcery.com>
6744 * config/arm/arm.c (minipool_pad): New.
6745 (add_minipool_forward_ref): Include pool alignment padding in address
6747 (push_minipool_fix): Set minipool_pad.
6748 (minipool_pad): Ditto.
6750 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6752 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6753 instead of GET_CODE() == MEM and REG_P() instead of
6755 (print_operand_address): Likewise.
6756 (vax_address_cost): Likewise.
6757 (vax_rtx_costs): Likewise.
6758 (vax_notice_update_cc): Likewise.
6759 (vax_output_int_add): Likewise.
6760 (INDEX_REGISTER_P): Likewise.
6761 (BASE_REGISTER_P): Likewise.
6762 (nonindexed_address_p): Likewise.
6763 (vax_mode_dependent_address_p): Likewise.
6764 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6765 (PRINT_OPERAND): Likewise.
6766 * config/vax/vax.md (ashlsi3): Likewise.
6767 (ashlsi3): Likewise.
6768 (some more unnamed insns): Likewise.
6770 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6772 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6773 iterator-style macro.
6774 (mark_control_dependent_edges_necessary): Update the use of
6775 EXECUTE_IF_CONTROL_DEPENDENT.
6777 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6779 * config/sh/predicates.md (cache_address_operand): Special.
6780 (ua_address_operand): Likewise.
6782 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6784 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6786 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6788 2006-03-15 Andreas Schwab <schwab@suse.de>
6790 * gensupport.c (identify_predicable_attribute): Don't free p_false
6791 when it is still in use.
6793 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6795 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6796 the default setting here.
6798 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6800 * tree-pass.h (pass_cfg): Remove.
6801 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6802 * passes.c (pass_cfg): Don't run it.
6804 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6806 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6807 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6809 (stack_regs_mentioned): Update the uses of
6810 stack_regs_mentioned_data. Don't access the array beyond its
6812 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6813 Don't include gt-reg-stack.h.
6815 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6816 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6818 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6821 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6824 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6826 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6828 2006-03-14 Richard Guenther <rguenther@suse.de>
6830 PR tree-optimization/26672
6831 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6834 2006-03-14 Richard Guenther <rguenther@suse.de>
6836 PR tree-optimization/26667
6837 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6838 node for the callees. Always allow inlining if it will shrink
6841 2006-03-14 Richard Guenther <rguenther@suse.de>
6844 * builtins.c (get_pointer_alignment): Prefer alignment
6845 information from decls over that from types.
6847 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6850 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6852 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6854 * config/rs6000/rs6000.opt (mdlmzb): New option.
6855 (msched-prolog, msched-epilog): Use Var not Mask.
6856 * doc/invoke.texi (-mdlmzb): Document.
6857 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6859 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6860 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6862 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6864 PR rtl-optimization/25739
6865 * bt-load.c (augment_live_range): Free tos pointer.
6867 * gensupport.c (identify_predicable_attribute): Free
6869 * gcov.c (create_file_names): Free name pointer.
6871 2006-03-13 Roger Sayle <roger@eyesopen.com>
6874 * stmt.c (emit_case_nodes): Handle the case where the index is a
6875 CONST_INT, where the comparison mode is specified by the index type.
6877 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6879 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6882 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6884 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6885 (*branch_fp_inverted): Likewise.
6887 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6890 * omp-low.c (expand_omp_for_generic): Mark istart0
6891 and iend0 as addressable.
6893 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6895 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6897 2006-03-13 Jeff Law <law@redhat.com>
6899 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6900 virtual operands are interesting.
6901 (vrp_visit_stmt): Corresponding changes.
6903 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6905 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6907 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6908 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6909 * config/bfin/crti.S: Use it instead of __PIC__.
6910 * config/bfin/crtn.S: Likewise.
6912 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6913 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6915 Lose 'G' modifier for call operand.
6916 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6917 recognize 'G' modifier.
6919 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6922 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6923 * stmt.c (expand_case): Likewise.
6925 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6927 PR rtl-optimization/26254
6928 * loop-invariant.c (seq_insns_valid_p): New function.
6929 (move_invariant_reg): Only emit new code if it is valid.
6931 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6933 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6935 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6936 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6937 (commit_one_edge_insertion): Do not look for loop notes.
6939 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6941 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6942 flag_test_coverage out of loop.
6944 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6946 * final.c (shorten_branches): Remove outdated comment, and turn
6947 the if branch that guards it to continue.
6949 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6951 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6952 * cfgloop.h (struct loop): Remove unused fields.
6954 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6956 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6957 (-dL, -fdump-rtl-loop2): Update the dump file names
6959 * doc/invoke.texi: Update dump file names.
6961 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6963 * predict.c (estimate_probability): Remove.
6964 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6965 * basic-block.h (estimate_probability): Remove prototype.
6966 * passes.c (finish_optimization_passes): Dump branch prediction or
6967 profiling heuristics to the .profile tree dump.
6968 (init_optimization_passes): Unqueue pass_branch_prob.
6970 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6972 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6974 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6975 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6977 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6979 * function.h (frame_offset_overflow): Declare.
6980 * function.c (frame_offset_overflow): New function.
6981 (assign_stack_local_1): Call it to detect that the offset overflows.
6982 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6984 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6986 * config/sh/sh.c: Include alloc-pool.h.
6987 (label_ref_list_pool): New alloc pool.
6988 (label_ref_list_t): New type for lists of labels.
6989 (struct pool_node): Make wend a label_ref_list_t.
6990 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6992 (dump_table): Likewise.
6993 (sh_reorg): Set up the alloc pool before using add_constant and
6994 dump_table, and destroy it when finishing.
6996 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6998 * config/mips/mips.c: Remove redundant comment.
7000 2006-03-10 Jason Merrill <jason@redhat.com>
7003 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7004 the target was declared 'register'.
7006 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7008 * genpreds.c (write_insn_constraint_len): Change definition of
7009 insn_constraint_len to return size_t to match the declaration.
7011 2006-03-10 DJ Delorie <dj@redhat.com>
7013 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7015 (m32c_expand_insv): Fix test for an AND mask.
7017 2006-03-10 Richard Guenther <rguenther@suse.de>
7020 * builtins.c (get_pointer_alignment): Handle component
7021 references for field alignment.
7023 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7025 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7026 when building with libgloss.
7027 (sh*elf): Implement --without-fp option.
7028 (sh64-superh-linux*): Don't multilib.
7030 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7032 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7034 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7036 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7037 Set it when one of the replacement functions returned true.
7038 Return TODO_cleanup_cfg if cfgchanged is true.
7039 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7041 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7043 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7044 instead of gen_lowpart.
7046 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7048 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7050 (mips_output_order_conditional_branch): Declare.
7051 * config/mips/mips.h (MIPS_BRANCH): New macro.
7052 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7053 for the comparison. Use gen_condjump.
7054 (mips_output_conditional_branch): Rework interface to take the
7055 asm templates for a direct branch and the inverse of a direct branch.
7056 (mips_output_order_conditional_branch): New function.
7057 (mips_builtin_branch_and_move): New function.
7058 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7059 branch condition. Use gen_single_cc as the condition for
7060 __builtin_mips_upper_* or __builtin_mips_lower_*.
7061 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7062 Use VOIDmode for the branch condition.
7063 * config/mips/predicates.md (order_operator): New predicate.
7064 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7065 (branch_fp): Rename to...
7066 (*branch_fp): ...this. Remove mode from comparison operator.
7067 Use new mips_output_conditional_branch interface.
7068 (branch_fp_inverted): Rename to...
7069 (*branch_fp_inverted): ...this and update as for *branch_fp.
7070 (*branch_zero<mode>): Rename to...
7071 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7072 Use mips_output_order_conditional_branch. Only accept ordered
7074 (*branch_zero<mode>_inverted): Rename to...
7075 (*branch_order<mode>_inverted): ...this and update as for
7076 *branch_order<mode>.
7077 (*branch_equality<mode>): Accept zero as the second operand to
7078 the equality operator. Use the new mips_output_conditional_branch
7080 (*branch_equality<mode>_inverted): Likewise.
7081 (condjump): New expander.
7082 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7084 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7085 (bc1any2t, bc1any2f): Likewise.
7086 (single_cc): New expander.
7087 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7089 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7091 * doc/md.texi: Update documentation of MIPS constraints.
7092 * config/mips/constraints.md: New file.
7093 * config/mips/mips.md: Include it.
7094 * config/mips/mips.c (mips_char_to_class): Delete.
7095 (override_options): Don't initialize mips_char_to_class.
7096 * config/mips/mips.h (mips_char_to_class): Delete.
7097 (REG_CLASS_FROM_LETTER): Delete.
7098 (CONST_OK_FOR_LETTER_P): Delete.
7099 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7100 (EXTRA_CONSTRAINT_Y): Delete.
7101 (EXTRA_CONSTRAINT_STR): Delete.
7102 (CONSTRAINT_LEN): Delete.
7103 (EXTRA_MEMORY_CONSTRAINT): Delete.
7105 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7107 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7108 original fn's eh regions.
7110 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7112 * fold-const.c (build_range_check): Make sure to use a valid type to
7113 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7116 (range_predecessor): New static function.
7117 (range_successor): Likewise.
7118 (merge_ranges): Use them to compute predecessors and successors of
7121 2006-03-09 Roger Sayle <roger@eyesopen.com>
7124 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7125 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7127 2006-03-08 DJ Delorie <dj@redhat.com>
7129 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7130 (addpsi3): Expand to include memory operands. Remove
7131 reload-specific splits.
7132 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7133 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7134 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7135 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7136 (shift1_qi, shift1_hi, insv): New.
7137 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7138 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7139 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7141 * config/m32c/m32c-protos.h: Update as needed.
7142 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7143 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7144 Fail for unrecognized R* constraints.
7145 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7146 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7147 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7149 (m32c_init_libfuncs): New.
7150 (m32c_legitimate_address_p): Add debug wrapper.
7151 (m32c_rtx_costs): New.
7152 (m32c_address_cost): New.
7153 (conversions): Add 'B' prefix.
7154 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7155 operands, or word regnames for QI operands. 'B' prints bit
7157 (m32c_expand_setmemhi): New.
7158 (m32c_expand_movmemhi): New.
7159 (m32c_expand_movstr): New.
7160 (m32c_expand_cmpstr): New.
7161 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7162 (m32c_expand_neg_mulpsi3): Handle non-ints.
7163 (m32c_cmp_flg_0): New.
7164 (m32c_expand_movcc): New.
7165 (m32c_expand_insv): New.
7166 (m32c_scc_pattern): New.
7167 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7168 a0/a1 out of SIregs.
7169 (STORE_FLAG_VALUE): New.
7170 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7173 * config/m32c/mov.md: Make constraints more liberal.
7174 (zero_extendqihi2): Optimize r0/r1 case.
7175 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7176 * config/m32c/predicates.md (m32c_any_operand): New.
7177 (m32c_nonimmediate_operand): New.
7178 (m32c_hl_operand): New.
7179 (m32c_r3_operand): New.
7182 (memsym_operand): New.
7183 (memimmed_operand): New.
7184 (a_qi_operand): New.
7185 (m32c_eqne_operator): New.
7186 (m32c_1bit8_operand): New.
7187 (m32c_1bit16_operand): New.
7188 (m32c_1mask8_operand): New.
7189 (m32c_1mask16_operand): New.
7190 * config/m32c/blkmov.md: New file.
7191 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7193 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7195 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7196 unsigned to fix signed/unsigned comparison issue in
7197 DWARF2_FRAME_REG_OUT.
7198 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7199 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7201 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7202 of ptr into the ENABLE_CHECKING section.
7204 2006-03-08 Jeff Law <law@redhat.com>
7206 * tree-vrp.c (infer_value_range): Only count pointer uses
7207 and dereferences if -fdelete-null-pointer-checks is enabled.
7209 * tree-vrp.c (find_assert_locations): Infer value ranges for
7210 single use pointers, but do not create ASSERT_EXPRs for them.
7211 When a non-null range is inferred for a pointer, backwards
7212 propagate that range to other equivalent pointers through the
7215 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7218 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7219 language hook targets.
7220 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7221 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7222 if language hook targets were missing.
7224 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7226 * tree-ssa-opfinalize.h: Removed.
7227 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7229 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7230 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7231 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7232 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7233 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7234 finalize_ssa_v_must_def_ops): New.
7236 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7238 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7241 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7243 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7245 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7246 addresses with offsets; reorganize.
7248 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7249 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7250 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7252 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7255 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7257 2006-03-08 Ben Elliston <bje@au.ibm.com>
7259 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7261 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7264 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7267 2006-03-07 Richard Guenther <rguenther@suse.de>
7269 PR tree-optimization/26587
7270 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7272 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7274 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7276 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7278 * hooks.c (hook_bool_mode_rtx_true): New function.
7279 * hooks.h (hook_bool_mode_rtx_true): Declare.
7280 * toplev.c (compile_file): Call output_shared_constant_pool.
7281 * varasm.c (shared_constant_pool): New variable.
7282 (assemble_start_function, assemble_end_function): Remove arguments
7283 from call to output_constant_pool.
7284 (create_constant_pool): New function, split out from...
7285 (init_varasm_status): ...here.
7286 (force_const_mem): Choose between the shared and per-function constant
7287 pools. Set current_function_uses_const_pool when reusing old entries
7288 as well as when creating new ones.
7289 (mark_constant): Ignore data argument.
7290 (mark_constants): Remove pool argument.
7291 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7292 to decide whether the function uses a constant pool.
7293 (output_constant_pool_contents): New function, split out from...
7294 (output_constant_pool): ...here.
7295 (output_shared_constant_pool): New function.
7296 (init_varasm_once): Initialize shared_constant_pool.
7297 * output.h (output_constant_pool): Delete.
7298 (output_shared_constant_pool): Declare.
7299 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7300 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7302 2006-03-06 Nick Clifton <nickc@redhat.com>
7304 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7305 flag_strength_reduce.
7307 2006-03-06 Ben Elliston <bje@au.ibm.com>
7309 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7310 x86_64-*-linux* configurations.
7312 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7313 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7315 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7317 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7319 * basic-block.h: Remove the extern for
7320 rediscover_loops_after_threading.
7322 * cfgloop.c (cancel_loop): Make it static.
7323 * cfgloop.h: Remove the prototype for cancel_loop.
7325 * flow.c (recompute_reg_usage): Make it static.
7326 * rtl.h: Remove the prototype for recompute_reg_usage.
7328 * function.c (use_return_register): Make it static.
7329 * function.h: Remove the prototype.
7331 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7333 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7335 * recog.h: Remove the prototype for
7336 validate_change_maybe_volatile.
7338 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7340 * rtlanal.c (replace_reg): Remove.
7341 * rtl.h: Remove the prototype for replace_reg.
7343 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7345 * regclass.c (reg_scan_update): Remove.
7346 (reg_scan_mark_refs): Remove the last argument.
7347 * rtl.h: Remove the prototype for reg_scan_update.
7349 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7351 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7352 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7353 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7354 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7355 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7356 loop-invariant.c, omp-low.c, opts.c, passes.c,
7357 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7358 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7359 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7360 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7361 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7362 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7364 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7366 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7367 * dwarf2out.h: Remove the prototype for
7368 dwarf2out_add_library_unit_info.
7370 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7372 * tree.c (add_var_to_bind_expr): Remove.
7373 * tree.h: Remove the prototype for add_var_to_bind_expr.
7375 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7377 * regclass.c (n_non_fixed_regs): Remove.
7378 (init_reg_sets_1, globalize_reg): Remove all uses of
7380 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7382 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7384 * rtlanal.c (insns_safe_to_move_p): Remove.
7385 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7387 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7389 * expmed.c (expand_mult_add): Remove.
7390 * expr.h: Remove the prototype for expand_mult_add.
7392 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7394 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7395 and REG_SAVED_VAL_EXP constants.
7396 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7397 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7398 Handle regs stored by value.
7399 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7400 (execute_cfa_program): Handle DW_CFA_val_offset,
7401 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7402 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7403 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7404 (uw_install_context_1): Handle target regs stored by value.
7406 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7408 * tree-sra.c (tree_sra): Return todoflags;
7409 (generate_one_element): Set TODO_update_smt_usage if needed.
7410 (pass_sra): Remove TODO_update_smt_usage.
7411 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7413 (tree_ssa_forward_propagate_single_use_vars): Return
7414 TODO_update_smt_usage if we need to update SMT usage.
7415 (pass_forwprop): Remove TODO_update_smt_usage.
7417 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7419 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7420 (correct_use_link): Remove reference to get_stmt_operands.
7421 (update_stmt_operands): Likewise.
7422 (get_modify_expr_operands): New function factored out of
7423 parse_ssa_operands and get_expr_operands.
7424 Try to create V_MUST_DEFs for LHS by default.
7425 (get_expr_operands) <case MODIFY_EXPR>: Call
7426 get_modify_expr_operands.
7427 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7428 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7429 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7430 get_modify_expr_operands.
7432 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7434 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7435 * tree-flow.h: Remove the prototype for
7436 referenced_var_lookup_if_exists.
7438 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7440 PR rtl-optimization/26345
7442 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7444 2006-03-03 Roger Sayle <roger@eyesopen.com>
7446 PR tree-optimization/26524
7447 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7448 fold_convert to create a constant of the appropriate type.
7450 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7452 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7453 SYMBOL_REF_IN_BLOCK_P.
7454 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7455 of SYMBOL_FLAG_IN_BLOCK.
7456 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7457 instead of SYMBOL_REF_IN_BLOCK_P.
7458 * explow.c (use_anchored_address): Likewise.
7459 * rtl.c (rtx_size): Likewise.
7460 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7461 instead of SYMBOL_FLAG_IN_BLOCK.
7462 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7463 SYMBOL_REF_IN_BLOCK_P.
7464 (assemble_variable): Likewise.
7465 (output_constant_def_contents): Likewise.
7466 (output_constant_pool): Likewise.
7467 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7468 instead of SYMBOL_FLAG_IN_BLOCK.
7469 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7470 SYMBOL_REF_IN_BLOCK_P.
7471 (SYMBOL_REF_BLOCK): Likewise.
7472 (SYMBOL_REF_OFFSET): Likewise.
7473 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7474 SYMBOL_REF_IN_BLOCK_P.
7475 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7476 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7477 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7478 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7480 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7482 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7484 2006-03-02 Roger Sayle <roger@eyesopen.com>
7486 * simplify-rtx.c (simplify_unary_operation): When simplifying
7487 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7488 that we perform the right shift in the appropriate mode, and
7489 then extend or truncate the result to requested mode.
7491 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7493 * gengtype.c (main): Handle double_int type.
7494 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7495 * double-int.c: New file.
7496 * double-int.h: New file.
7497 * system.h: Include doubleint.h.
7498 * Makefile.in (SYSTEM_H): Include double-int.h.
7499 (double-int.o): Add.
7501 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7504 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7507 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7509 * tree-vrp.c (remove_range_assertions): Do not update statements
7512 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7514 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7516 * gcse.c (rest_of_handle_gcse): Ditto.
7517 * except.c (gate_handle_eh): Ditto.
7518 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7519 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7521 2006-03-02 Eric Christopher <echristo@apple.com>
7523 * config/i386/i386.c (machopic_output_stub): Add indirection to
7526 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7530 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7532 Sun Niagara specific optimizations.
7533 * config.gcc: Recognize niagara as target.
7534 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7535 (TARGET_CPU_niagara): Define.
7536 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7537 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7538 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7539 (ASM_CPU_SPEC): Likewise.
7540 (PROCESSOR_NIAGARA): New enum entry.
7541 (REGISTER_MOVE_COST): Handle Niagara.
7542 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7543 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7544 (sparc_override_options): Recognize "niagara", set appropriate
7545 default MASK_* values for it, and align functions to 32-bytes
7546 by default just like ULTRASPARC/ULTRASPARC3.
7547 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7548 (sparc64_initialize_trampoline): Likewise.
7549 (sparc_use_sched_lookahead): Use zero for niagara.
7550 (sparc_issue_rate): Use one for niagara.
7551 * config/sparc/niagara.md: New file.
7552 * config/sparc/sparc.md: Include it.
7553 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7554 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7555 when default cpu is niagara.
7556 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7557 (ASM_CPU_SPEC): Likewise.
7558 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7559 when default cpu is niagara.
7560 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7561 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7562 just like v9/ultrasparc/ultrasparc3.
7563 * doc/invoke.texi: Add documentation for "niagara" and improve
7564 existing documentation for ultrasparc variants.
7566 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7568 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7570 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7572 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7573 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7574 and say that only one is needed.
7575 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7576 * target.h (have_switchable_bss_sections): New hook.
7577 * explow.c (use_anchored_address): Check that the symbol is in a block.
7578 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7579 (bss_noswitch_section): New variables.
7580 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7581 (get_noswitch_section): New function.
7582 (get_block_for_section): Allow SECT to be null.
7583 (unlikely_text_section_p): Use SECTION_STYLE.
7584 (bss_initializer_p): New function.
7585 (get_variable_section): Move earlier in file. Take a new argument,
7586 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7587 Return one of the new *_sections in such cases.
7588 (get_block_for_decl): New function, extracting some logic from
7589 use_blocks_for_decl_p.
7590 (change_symbol_section): Remove in favor of...
7591 (change_symbol_block): ...this new function.
7592 (use_blocks_for_decl_p): Remove checks now performed by
7594 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7595 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7596 (emit_local, emit_bss, emit_common): ...these new functions.
7597 Return true if the alignment was honored.
7598 (emit_tls_common): New function.
7599 (asm_emit_uninitialised): Delete.
7600 (assemble_variable_noswitch): New function, split out from...
7601 (assemble_variable): ...here. Don't make decisions about common
7602 variables here. Globalize all public decls that go into non-common
7603 sections. Check whether SYMBOL_REF_BLOCK is null.
7604 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7605 (output_constant_pool): Likewise.
7606 (init_varasm_once): Initialize the new section variables.
7607 (have_global_bss_p): New function.
7608 (categorize_decl_for_section): Use bss_initializer_p.
7609 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7610 (place_block_symbol): Assert that the symbol must be in a block.
7611 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7612 (TARGET_INITIALIZER): Include it.
7613 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7614 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7615 (SECTION_MACH_DEP): Bump by two.
7616 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7617 (unnamed_section): Mention SECTION_UNNAMED in comment.
7618 (named_section): Likewise SECTION_NAMED.
7619 (noswitch_section_callback): New type.
7620 (noswitch_section): New structure.
7621 (section): Add a noswitch_section alternative.
7622 (SECTION_STYLE): New macro.
7623 (tls_comm_section, comm_section, lcomm_section): Declare.
7624 (bss_noswitch_section, have_global_bss_p): Declare.
7625 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7626 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7628 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7629 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7632 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7634 * tree-vrp.c (execute_vrp): Return value.
7635 * regrename.c (rest_of_handle_regrename): Ditto.
7636 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7637 * tree-complex.c (tree_lower_complex): Ditto.
7638 (tree_lower_complex_O0): Ditto.
7639 * tracer.c (rest_of_handle_tracer): Ditto.
7640 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7641 * postreload.c (rest_of_handle_postreload): Ditto.
7642 * tree-tailcall.c (execute_tail_recursion): Ditto.
7643 (execute_tail_calls): Ditto.
7644 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7645 * tree.h (init_function_for_compilation): Ditto.
7646 * ipa-cp.c (ipcp_driver): Ditto.
7647 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7648 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7649 * final.c (compute_alignments): Ditto.
7650 (rest_of_handle_final): Ditto.
7651 (rest_of_handle_shorten_branches): Ditto.
7652 (rest_of_clean_state): Ditto.
7653 * omp-low.c (execute_expand_omp): Ditto.
7654 (execute_lower_omp): Ditto.
7655 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7656 * ipa-reference.c (static_execute): Ditto.
7657 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7658 * reorg.c (rest_of_handle_delay_slots): Ditto.
7659 (rest_of_handle_machine_reorg): Ditto.
7660 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7661 * flow.c (recompute_reg_usage): Ditto.
7662 (rest_of_handle_remove_death_notes): Ditto.
7663 (rest_of_handle_life): Ditto.
7664 (rest_of_handle_flow2): Ditto.
7665 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7666 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7667 (do_ssa_store_ccp): Ditto.
7668 (execute_fold_all_builtins): Ditto.
7669 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7670 * modulo-sched.c (rest_of_handle_sms): Ditto.
7671 * ipa-pure-const.c (static_execute): Ditto.
7672 * cse.c (rest_of_handle_cse): Ditto.
7673 (rest_of_handle_cse2): Ditto.
7674 * web.c (rest_of_handle_web): Ditto.
7675 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7676 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7677 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7678 * tree-nrv.c (tree_nrv): Ditto.
7679 (execute_return_slot_opt): Ditto.
7680 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7681 (create_structure_vars): Ditto.
7682 * loop-init.c (rtl_loop_init): Ditto.
7683 (rtl_loop_done): Ditto.
7684 (rtl_move_loop_invariants): Ditto.
7685 (rtl_unswitch): Ditto.
7686 (rtl_unroll_and_peel_loops): Ditto.
7687 (rtl_doloop): Ditto.
7688 * gimple-low.c (lower_function_body): Ditto.
7689 (mark_used_blocks): Ditto.
7690 * tree-ssa-sink.c (execute_sink_code): Ditto.
7691 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7692 (cgraph_early_inlining): Ditto.
7693 * global.c (rest_of_handle_global_alloc): Ditto.
7694 * jump.c (cleanup_barriers): Ditto.
7695 (purge_line_number_notes): Ditto.
7696 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7697 (rest_of_handle_if_after_reload): Ditto.
7698 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7699 (tree_ssa_loop_im): Ditto.
7700 (tree_ssa_loop_unswitch): Ditto.
7701 (tree_vectorize): Ditto.
7702 (tree_linear_transform): Ditto.
7703 (tree_ssa_loop_ivcanon): Ditto.
7704 (tree_ssa_empty_loop): Ditto.
7705 (tree_ssa_loop_bounds): Ditto.
7706 (tree_complete_unroll): Ditto.
7707 (tree_ssa_loop_prefetch): Ditto.
7708 (tree_ssa_loop_ivopts): Ditto.
7709 (tree_ssa_loop_done): Ditto.
7710 * predict.c (tree_estimate_probability): Ditto.
7711 * recog.c (split_all_insns_noflow): Ditto.
7712 (rest_of_handle_peephole2): Ditto.
7713 (rest_of_handle_split_all_insns): Ditto.
7714 * tree-eh.c (lower_eh_constructs): Ditto.
7715 * regmove.c (rest_of_handle_regmove): Ditto.
7716 (rest_of_handle_stack_adjustments): Ditto.
7717 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7718 * function.c (instantiate_virtual_regs): Ditto.
7719 (init_function_for_compilation): Ditto.
7720 (rest_of_handle_check_leaf_regs): Ditto.
7721 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7722 (rest_of_handle_gcse): Ditto.
7723 * ipa-type-escape.c (type_escape_execute): Ditto.
7724 * alias.c (rest_of_handle_cfg): Ditto.
7725 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7726 * profile.c (rest_of_handle_branch_prob): Ditto.
7727 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7728 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7729 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7730 * tree-dfa.c (find_referenced_vars): Ditto.
7731 * except.c (set_nothrow_function_flags): Ditto.
7732 (convert_to_eh_region_ranges): Ditto.
7733 (rest_of_handle_eh): Ditto.
7734 * emit-rtl.c (unshare_all_rtl): Ditto.
7735 (remove_unnecessary_notes): Ditto.
7736 * except.h (set_nothrow_function_flags): Ditto.
7737 (convert_to_eh_region_ranges): Ditto.
7738 * cfgexpand.c (tree_expand_cfg): Ditto.
7739 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7740 * tree-ssa-pre.c (do_pre): Ditto.
7741 (execute_fre): Ditto.
7742 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7743 (rest_of_handle_jump2): Ditto.
7744 * tree-sra.c (tree_sra): Ditto.
7745 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7746 (execute_mudflap_function_decls): Ditto.
7747 * tree-ssa-copy.c (do_copy_prop): Ditto.
7748 (do_store_copy_prop): Ditto.
7749 * ipa-prop.h (ipcp_driver): Ditto.
7750 * cfglayout.c (insn_locators_initialize): Ditto.
7751 * tree-ssa-forwprop.c
7752 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7753 * cfglayout.h (insn_locators_initialize): Ditto.
7754 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7755 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7756 (execute_late_warn_uninitialized): Ditto.
7757 * rtl.h (cleanup_barriers): Ditto.
7758 (split_all_insns_noflow): Ditto.
7759 (purge_line_number_notes): Ditto.
7760 (unshare_all_rtl): Ditto.
7761 (remove_unnecessary_notes): Ditto.
7762 (recompute_reg_usage): Ditto.
7763 (variable_tracking_main): Ditto.
7764 * integrate.c (emit_initial_value_sets): Ditto.
7765 * integrate.h (emit_initial_value_sets): Ditto.
7766 * tree-optimize.c (execute_free_datastructures): Ditto
7767 (execute_free_cfg_annotations): Ditto.
7768 (execute_fixup_cfg): Ditto.
7769 (execute_cleanup_cfg_pre_ipa): Ditto.
7770 (execute_cleanup_cfg_post_optimizing): Ditto.
7771 (execute_init_datastructures): Ditto.
7772 * tree-object-size.c (compute_object_sizes): Ditto.
7773 * combine.c (rest_of_handle_combine): Ditto.
7774 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7775 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7776 (rest_of_handle_reorder_blocks): Ditto.
7777 (rest_of_handle_partition_blocks): Ditto.
7778 * var-tracking.c (variable_tracking_main): Ditto.
7779 * tree-profile.c (tree_profiling): Ditto.
7780 * tree-vect-generic.c (expand_vector_operations): Ditto.
7781 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7782 * sched-rgn.c (rest_of_handle_sched): Ditto.
7783 (rest_of_handle_sched2): Ditto.
7784 * basic-block.h (free_bb_insn): Ditto.
7785 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7786 * tree-cfg.c (execute_build_cfg): Ditto.
7787 (remove_useless_stmts): Ditto.
7788 (split_critical_edges): Ditto.
7789 (execute_warn_function_return): Ditto.
7790 (execute_warn_function_noreturn): Ditto.
7791 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7792 * cfgrtl.c (free_bb_for_insn): Ditto.
7793 * passes.c (execute_one_pass): Run additional
7794 todos returned by execute function.
7795 * tree-pass.h (struct tree_opt_pass): Make execute
7798 2006-03-02 Richard Guenther <rguenther@suse.de>
7800 * tree-ssa-alias.c (find_used_portions): Consider taking
7801 the address as making the variable not write-only.
7803 2006-03-02 Nick Clifton <nickc@redhat.com>
7805 * config.gcc (default_use_cxa_atexit): Extend the description of
7806 this configure variable. Set its default value to "yes" for
7807 Linux, NetBSD and ELF targets on the assumption that they will
7808 use C libraries with the __cxa_atexit function.
7810 2006-03-02 Ben Elliston <bje@au.ibm.com>
7812 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7813 parameter as unused to suppress a build warning.
7815 2006-03-02 Ben Elliston <bje@au.ibm.com>
7817 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7820 2006-03-01 Roger Sayle <roger@eyesopen.com>
7823 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7824 declared name, the weak reference name, and the typeof name.
7825 (__gthrw): Avoid expanding the declared name suffix.
7826 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7828 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7830 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7832 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7833 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7834 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7835 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7836 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7837 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7838 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7839 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7840 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7841 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7842 (DW_END_default, DW_END_big, DW_END_little): New.
7843 (DW_END_lo_user, DW_END_hi_user): Define.
7844 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7845 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7846 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7849 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7851 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7853 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7855 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7857 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7859 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7860 to 'symbol_mem_tag'.
7862 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7865 2006-03-01 Roger Sayle <roger@eyesopen.com>
7867 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7869 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7872 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7873 MACHO_DYNAMIC_NO_PIC_P.
7874 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7876 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7879 * config/darwin-protos.h (darwin_asm_output_anchor):
7881 * config/darwin-sections.def (cstring_section):
7882 Add SECTION_MERGE to the flags.
7883 (literal4_section): Likewise.
7884 (literal8_section): Likewise.
7885 (objc_selector_refs_section): Likewise.
7886 (objc_cls_refs_section): Likewise.
7887 * config/darwin.c (darwin_asm_output_anchor): New
7889 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7891 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7893 Fix PR tree-optimization/26443
7894 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7895 to todo and PROP_tmt_usage to properties_destroyed.
7896 * tree-ssa-ccp.c (pass_ccp): Ditto.
7897 (pass_store_ccp): Ditto.
7898 * tree-ssa-dom.c (pass_dominator): Ditto.
7900 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7902 * tree-ssa-operands.c: Cleanup whitespace.
7903 (get_asm_expr_operands): Move before first invocation.
7904 (get_indirect_ref_operands): Likewise.
7905 (get_tmr_operands): Likewise.
7906 (get_call_expr_operands): Likewise.
7907 (append_def): Likewise.
7908 (append_use): Likewise.
7909 (append_v_may_def): Likewise.
7910 (append_v_must_def): Likewise.
7911 (add_call_clobber_ops): Likewise.
7912 (add_call_read_ops): Likewise.
7913 (add_stmt_operand): Likewise.
7914 (add_virtual_operand): Likewise.
7915 (build_ssa_operands): Likewise.
7917 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7922 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7923 with a call expr to ...
7924 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7926 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7928 * tree-vrp.c (extract_range_from_assert): Remove special
7929 handling for types with super-types.
7931 2006-03-01 Ben Elliston <bje@au.ibm.com>
7933 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7934 and powerpc64-*-linux* configurations.
7935 * config/t-dfprules: New file.
7937 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7938 Compile dfp-bit.c from the source directory using -DWIDTH and
7939 $DFP_CFLAGS to control the compilation of that file, rather than
7940 generating width-specific versions in the build directory.
7941 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7942 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7944 2006-02-28 Zack Weinberg <zackw@panix.com>
7946 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7949 2006-02-28 Eric Christopher <echristo@apple.com>
7951 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7952 Set up IN_LIBGCC definition of TARGET_64BIT.
7953 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7955 2006-02-28 Roger Sayle <roger@eyesopen.com>
7958 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7959 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7960 cases via the construction of "expr != 0".
7962 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7964 * alias.c (alias_invariant, alias_invariant_size): Remove.
7965 (record_base_value): Remove.
7966 (memrefs_conflict_p): Don't look at alias_invariant.
7967 (end_alias_analysis): Don't free it.
7968 * alias.h (record_base_value): Remove prototype.
7970 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7971 Adam Nemet <anemet@caviumnetworks.com>
7973 * rtl.h (truncated_to_mode): Declare it.
7974 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7975 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7976 (RTL_HOOKS_INITIALIZER): Include it.
7977 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7978 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7979 reg_truncated_to_mode.
7980 * rtlanal.c (truncated_to_mode): Define it.
7981 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7983 2006-02-28 Jeff Law <law@redhat.com>
7985 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7986 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7987 the range allowed by TYPE_PRECISION.
7989 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7991 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7993 PR tree-optimization/26419
7994 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7997 2006-02-27 Zack Weinberg <zackw@panix.com>
7999 * doc/md.texi: Fix typo in previous change.
8001 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8005 2006-02-27 Zack Weinberg <zackw@panix.com>
8007 * rtl.def (define_constraint, define_register_constraint)
8008 (define_memory_constraint, define_address_constraint): New MD forms.
8009 * gensupport.c (process_rtx): Put define_constraint etc on the
8011 * genpreds.c (process_define_predicate): Adjust comment. Validate
8012 the name, and call validate_exp to validate the expression.
8013 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8014 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8015 all callers changed.
8016 (validate_exp, needs_variable, struct constraint_data)
8017 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8018 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8019 (const_dbl_constraints, constraint_max_namelen)
8020 (have_register_constraints, have_memory_constraints)
8021 (have_address_constraints, have_address_constraints)
8022 (have_extra_constraints, have_const_int_constraints)
8023 (have_const_dbl_constraints, mangle, add_constraint)
8024 (process_define_constraint, process_define_register_constraint)
8025 (write_enum_constraint_num, write_lookup_constraint)
8026 (write_insn_constraint_len, write_regclass_for_constraint)
8027 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8028 (write_insn_extra_memory_constraint)
8029 (write_insn_extra_address_constraint)
8030 (write_satisfies_constraint_fns): New.
8031 (write_tm_preds_h): If we have new-style constraint definitions,
8032 prototype the functions generated from them, and define the
8033 old constraint interface (still used by generic code) in terms of
8035 (write_insn_preds_c): If we have new-style constraint definitions,
8036 generate all relevant functions from those definitions.
8037 (main): Handle define_constraint etc.
8038 * genoutput.c (struct constraint_data, indep_constraints)
8039 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8040 (mdep_constraint_len): New data structures and functions, defined
8041 #ifdef USE_MD_CONSTRAINTS.
8042 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8043 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8044 use new logic to validate operand constraints against constraint
8046 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8048 * defaults.h: If none of the old-style constraint macros are
8049 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8050 old-style macros; and poison REG_CLASS_FROM_LETTER,
8051 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8053 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8054 * doc/md.texi: Document new constraint-definition mechanism and the
8055 C interface it provides. Remove references to old mechanism
8056 elsewhere in the document.
8057 (Machine Constraints): Use pathnames relative to gcc directory,
8058 i.e. config/ARCH/FILE. Change i386 section to refer to
8059 config/i386/predicates.md; update that section to match docstrings.
8060 * doc/tm.texi: Move all documentation of the old constraint-
8061 definition macros to their own section, clearly mark as obsolete.
8063 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8064 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8066 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8067 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8068 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8070 (splits and peepholes): Use satisfies_constraint_*.
8071 * config/i386/i386.c (memory_address_length)
8072 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8074 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8076 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8077 scalar operation to be put back into the loop.
8079 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8082 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8083 (extract_cie_info): Handle S flag in augmentation string.
8084 (execute_cfa_program): If context->signal_frame, execute also
8085 fs->pc == context->ra instructions.
8086 (uw_frame_state_for): If context->signal_frame, don't subtract one
8087 from context->ra to find FDE.
8088 (uw_update_context_1): Set context->signal_frame to
8090 (_Unwind_GetIPInfo): New function.
8091 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8092 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8094 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8095 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8096 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8097 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8098 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8099 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8100 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8101 x86_64_fallback_frame_state): Set fs->signal_frame.
8102 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8103 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8104 (frob_update_context): Likewise. Workaround missing S flag in
8105 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8106 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8107 Remove the psw_addr + 1 hack.
8109 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8111 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8112 with aggregates here.
8113 (find_func_aliases): Remove code for &<aggregate> from here.
8115 2006-02-26 Roger Sayle <roger@eyesopen.com>
8117 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8118 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8119 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8122 2006-02-26 Roger Sayle <roger@eyesopen.com>
8125 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8127 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8129 * opts.c (decode_options): Do not handle flag_strength_reduce.
8130 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8131 and OPT_fstrength_reduce.
8132 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8133 flag_prefetch_loop_arrays for being nonzero.
8134 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8136 (fprefetch-loop-arrays-rtl): Removed.
8137 (flag_prefetch_loop_arrays): Do not specify the value.
8139 * doc/passes.texi: Update documentation of loop optimizer
8141 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8142 -frerun-loop-opt): Remove.
8144 2006-02-26 Richard Guenther <rguenther@suse.de>
8146 PR tree-optimization/26421
8147 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8148 in function calls that are ADDR_EXPRs as using the whole structure.
8150 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8152 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8153 * tree-pass.h (pass_loop_optimize): Remove.
8154 * passes.c (pass_loop_optimize): Never run it.
8155 * toplev.c (backend_init): Don't call init_loop.
8156 * opts.c (flag_loop_optimize_set): Remove.
8157 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8158 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8159 the old RTL loop optimizer when profiling enabled.
8160 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8161 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8162 pre-headers for the sake of the old RTL loop optimizer.
8163 * Makefile.in: Remove all references to loop.o.
8165 * doc/invoke.texi: Remove all references to -floop-optimize
8166 and -frerun-loop-opt.
8168 2006-02-26 Zack Weinberg <zackw@panix.com>
8170 * doc/md.texi (Machine Constraints): Refer to all files with paths
8171 relative to gcc directory (i.e. config/CPU/file). Add missing
8172 @table @code ... @end table to M32C subsection.
8174 2006-02-26 Roger Sayle <roger@eyesopen.com>
8176 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8178 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8180 2006-02-26 Roger Sayle <roger@eyesopen.com>
8181 James A. Morrison <phython@gcc.gnu.org>
8184 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8185 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8186 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8187 signedness of the shift operation.
8189 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8191 PR tree-optimization/26359
8192 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8194 2006-02-25 Roger Sayle <roger@eyesopen.com>
8196 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8197 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8198 as X == 0, and some symmetry related transformations.
8199 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8201 2006-02-25 Roger Sayle <roger@eyesopen.com>
8204 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8205 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8206 symmetry related transformations. Fold (X^C1) == C2 as
8209 2006-02-25 Juergen Weigert <jw@suse.de>
8210 Richard Guenther <rguenther@suse.de>
8212 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8214 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8216 * combine.c (gen_lowpart_or_truncate): Call
8217 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8219 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8221 * doc/invoke.texi: Move -fopenmp description to "Options for
8223 Remove reference to -lgomp.
8225 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8227 * doc/install.texi: Require GNU tar version 1.14.
8229 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8231 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8232 * doc/invoke.texi (C++ Dialect Options): Document
8233 -fno-use-cxa-get-exception-ptr.
8234 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8235 * configure: Regenerate.
8236 * c.opt (fuse-cxa-get-exception-ptr): New.
8237 * c-opts.c (c_common_handle_option): Handle
8238 OPT_fuse_cxa_get_exception_ptr.
8239 * c-common.c (flag_use_cxa_atexit): Update documentation.
8240 (flag_use_cxa_get_exception_ptr): New.
8241 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8242 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8244 (C_COMMON_OVERRIDE_OPTIONS): New.
8246 2006-02-24 Roger Sayle <roger@eyesopen.com>
8249 * combine.c (try_combine): Explicitly check whether GET_CODE is
8250 a SET or a CLOBBER, instead on checking that it isn't a USE.
8252 2006-02-24 Roger Sayle <roger@eyesopen.com>
8254 * fold-const.c (fold_comparison): New subroutine of fold_binary
8255 containing transformations common to both the equality and
8256 ordering relational operators, factored out of fold_binary.
8257 (fold_binary): Separate out the equality operators (EQ_EXPR
8258 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8259 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8260 transformations common to both.
8261 (fold_div_compare): Fix latent bugs in the previously unreachable
8262 LT_EXPR and GE_EXPR cases.
8264 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8266 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8267 decl libname for clog to __clog on AIX.
8269 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8271 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8274 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8275 output traceback table for thunks. Localise rs6000_stack_info call.
8277 2006-02-23 Roger Sayle <roger@eyesopen.com>
8278 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8280 * gthr-posix.h (__gthrw): Fix typo in comment.
8282 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8284 * doc/cpp.texi (Character sets): Document that we do support
8285 input files to be in any character set.
8287 2006-02-23 Jeff Law <law@redhat.com>
8289 * tree.h (PHI_ARG_NONZERO): Remove.
8290 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8291 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8292 node to the new node.
8294 PR tree-optimization/26425
8295 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8296 min/max, then assume its varying.
8298 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8300 PR rtl-optimization/26316
8301 * rtlanal.c (enum may_trap_p_flags): New.
8302 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8303 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8304 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8305 (may_trap_after_code_motion_p): New function.
8306 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8307 (find_invariant_insn): Use may_trap_after_code_motion_p.
8308 * rtl.h (may_trap_after_code_motion_p): Declare.
8310 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8312 * emit-rtl.c (immed_double_const): Cleanup.
8314 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8316 Fix PR tree-optimization/26376
8317 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8320 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8323 * gimplify.c (omp_add_variable): Guard variable size decl test with
8324 DECL_SIZE (decl) check.
8326 2006-02-23 Richard Guenther <rguenther@suse.de>
8329 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8330 like aggregate types.
8332 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8334 * configure.ac: Add --with{,out}-long-double-128 configure option.
8335 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8336 * configure: Rebuilt.
8337 * config.in: Rebuilt.
8338 * doc/install.texi (Options specification): Document
8339 --with-long-double-128.
8341 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8342 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8343 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8344 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8346 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8348 * config/s390/s390.c (override_options): Handle
8349 TARGET_DEFAULT_LONG_DOUBLE_128.
8351 * config/alpha/alpha.c (override_options): Handle
8352 TARGET_DEFAULT_LONG_DOUBLE_128.
8354 * config/sparc/sparc.c (sparc_override_options): Handle
8355 TARGET_DEFAULT_LONG_DOUBLE_128.
8357 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8359 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8360 (real-install-headers-tar, real-install-headers-cpio)
8361 (real-install-headers-cp): New targets.
8363 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8365 * tree.h (variable_section): Delete.
8366 * varasm.c (variable_section): Delete.
8368 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8370 * install.texi: Add notes on install.texi2html.
8371 (Building in parallel): Do not use footnotes.
8373 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8376 * doc/install.texi (Configuration): Document --disable-libgomp.
8378 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8380 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8382 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8384 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8385 (vec_extractv2df_0_sse): New.
8387 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8389 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8390 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8391 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8392 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8393 to the result of the expression.
8394 (def_cfa_1): Adjust.
8395 (frame_pointer_cfa_offset): Rename to...
8396 (frame_pointer_fb_offset): ... this. Adjust all uses.
8397 (convert_cfa_to_loc_list): Rename to...
8398 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8399 Pass it on to build_cfa_loc.
8400 (compute_frame_pointer_to_cfa_displacement): Rename to...
8401 (compute_frame_pointer_to_fb_displacement): ... this. New
8402 offset parameter. Use it in computation.
8403 (gen_subprogram_die): Compute cfa_fb_offset with the new
8404 macro, and use it to compute the fb loc list and the
8407 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8409 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8410 replaced with register_operand.
8411 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8412 non-DREG is expensive.
8413 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8414 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8417 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8419 * doc/install.texi2html: Use set -e.
8421 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8423 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8424 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8425 * doc/invoke.texi (-fshared-data): Delete.
8426 * common.opt (fshared-data): Delete.
8427 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8428 (assemble_static_space): Remove #if 0 code.
8429 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8430 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8431 * config/cris/cris.h: Remove FIXME.
8433 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8435 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8438 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8441 * combine.c (simplify_shift_const_1): Disable nested shifts
8442 optimization for vector shifts.
8444 2006-02-20 Roger Sayle <roger@eyesopen.com>
8446 PR tree-optimization/26361
8447 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8448 of unsigned integer types.
8450 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8452 * tree-chrec.c (eq_evolutions_p): New.
8453 * tree-chrec.h (eq_evolutions_p): Declared.
8454 * tree-data-ref.c: Fix formatting.
8455 (datadep_stats, dependence_stats): New.
8457 (print_direction_vector): New.
8458 (dump_data_dependence_relation): Use print_direction_vector.
8459 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8460 (compute_subscript_distance): Static.
8461 (initialize_data_dependence_relation): Static. Get the number
8462 of loops surrounding the references from the callers, and initialize
8463 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8464 base_object_differ_p analyzers.
8465 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8466 compute_overlap_steps_for_affine_1_2,
8467 analyze_subscript_affine_affine): Count the classified dependences.
8468 Print a message when a test failed.
8469 (can_use_analyze_subscript_affine_affine): New.
8470 (analyze_siv_subscript): Compute the data dependences on symbolic
8471 scevs that verify can_use_analyze_subscript_affine_affine.
8472 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8473 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8474 Handle symbolic scevs.
8475 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8477 (subscript_dependence_tester): Moved...
8478 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8479 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8480 DDR_SIZE_VECT instead of getting it in parameter.
8481 (subscript_dependence_tester): ... here. Take as a parameter
8482 loop_nest_depth. Call build_classic_dist_vector and
8483 build_classic_dir_vector.
8484 (compute_affine_dependence): Update subscript_dependence_tester
8485 parameters. Update datadep_stats counters. Call
8486 compute_subscript_distance.
8487 (compute_self_dependence): Save the dist and dir vectors. Call
8488 compute_subscript_distance.
8489 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8490 (compute_all_dependences): Reorder parameters as they were before
8491 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8492 compute_subscript_distance. Update the use of
8493 compute_affine_dependence and initialize_data_dependence_relation.
8494 (find_data_references_in_loop): Handle COMPONENT_REF.
8495 (compute_data_dependences_for_loop): Initialize dependence_stats.
8496 Don't call build_classic_dist_vector and build_classic_dir_vector.
8497 Update the parameters of initialize_data_dependence_relation and
8498 compute_all_dependences. Print the statistics from datadep_stats.
8499 (analyze_all_data_dependences): Static. Not used until the pass for
8500 checking the data dependences is contributed.
8501 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8502 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8503 (initialize_data_dependence_relation, compute_affine_dependence,
8504 analyze_all_data_dependences, compute_subscript_distance): Removed.
8505 (print_direction_vector): New.
8506 * lambda.h (gcd): ... here.
8507 (lambda_vector_gcd): Moved here from gcd_vector.
8508 * lambda-code.c (gcd, gcd_vector): Removed.
8509 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8510 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8512 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8514 * ipa-type-escape.c: Tidy some comments and white space.
8515 * tree-ssa-operands.c: Likewise.
8517 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8520 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8521 (dump_decl_name): Do not walk the decl tree chains.
8522 * tree-pass.h (TDF_CHAIN): Remove.
8524 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8526 * Makefile.in (C): Remove
8528 (.PHONY): Remove C and PROTO
8530 2006-02-20 Roger Sayle <roger@eyesopen.com>
8533 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8534 deprecated CHAR_TYPE tree code.
8536 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8538 * configure.ac (target_list): Add install-info, dvi, html.
8539 * configure: Regenerate.
8541 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8542 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8543 treelang/Make-lang.in: Do not use double-colon rules.
8545 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8547 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8548 (TMT_USED_ALONE): New macro.
8549 * tree-pass.h (PROP_tmt_usage): New property.
8550 (TODO_update_tmt_usage): New todo.
8551 * tree-ssa-alias.c (updating_used_alone): New variable.
8552 (recalculate_used_alone): New function.
8553 (compute_may_aliases): Set updating_used_alone, call
8554 recalculate_used_alone.
8555 * tree-sra.c (pass_sra): Note that this pass destroys
8556 PROP_tmt_usage, and add TODO_update_tmt_usage.
8557 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8558 * tree-flow.h (updating_used_alone): Prototype.
8559 (recalculate_used_alone): Ditto.
8560 * passes.c (execute_todo): Add code to set updating_used_alone,
8561 and call recalculate.
8562 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8563 for clobber if used alone, and add assert to verify used_alone
8566 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8568 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8569 for non tls symbols added.
8570 (legitimize_address): Do nothing for PLUS expressions if one of the
8571 addends is a tls symbol reference.
8573 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8577 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8579 * Makefile.in (BOOTSTRAPPING): New.
8580 (quickstrap): New definition if BOOTSTRAPPING=yes.
8582 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8583 * configure.ac: Substitute all_selected_languages with the languages
8584 that were configured. For all the other variables except
8585 lang_specs_files, include all the languages in the tree.
8586 * configure: Regenerate.
8588 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8589 if there is one. Run the commands to run fixincludes in the same
8592 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8593 * doc/install.texi: Document exact conventions for searching target tools.
8594 Document --with-build-time-tools. Document toplevel bootstrap. Document
8595 something more about building an Ada cross-compiler. Don't list GNU Make
8596 requirements which affect all platforms.
8598 2006-02-19 Roger Sayle <roger@eyesopen.com>
8601 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8602 only equivalent if the have both the same mode and precision.
8604 2006-02-20 Ben Elliston <bje@au.ibm.com>
8606 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8608 2006-02-19 Roger Sayle <roger@eyesopen.com>
8609 Steven Bosscher <stevenb.gcc@gmail.com>
8611 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8612 constant pool references to identify stack mode constants.
8613 * rtlanal.c (constant_pool_constant_p): New predicate to check
8614 whether operand is a floating point constant in the pool.
8615 * rtl.h (constant_pool_constant_p): Prototype here.
8616 * loop.c (scan_loop): Avoid hoisting constants from the constant
8617 pool on STACK_REGS targets.
8618 (load_mems): Likewise.
8619 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8620 loads into x87 registers expensive in terms of register pressure.
8622 2006-02-19 Roger Sayle <roger@eyesopen.com>
8624 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8625 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8627 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8629 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8630 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8632 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8634 * doc/invoke.texi: Document -fipa-pta.
8635 * common.opt: Add ipa-pta option.
8636 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8637 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8638 (do_ds_constraint): Ditto.
8639 (get_constraint_for): Only add to referenced_vars if
8640 referenced_vars exists.
8641 (insert_into_field_list): Rewrite to do this unsorted.
8642 (insert_into_field_list_sorted): Rename old insert_into_field_list
8644 (create_function_info_for): Use insert_into_field_list_sorted.
8645 (create_variable_info_for): Rewrite so it uses unsorted version,
8646 since the field list is sorted.
8647 (intra_create_variable_infos): Only add to referenced_vars if
8648 referenced_vars exists.
8649 (ipa_pta_execute): Init heapvars, and delete when done.
8650 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8652 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8654 * doc/install.texi: Add missing `@samp'.
8656 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8658 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8661 2006-02-18 Mark Wielaard <mark@klomp.org>
8663 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8664 who added new 4.1 features, bug fixes and integration support.
8666 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8669 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8672 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8674 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8675 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8676 (copy_insn_1): Likewise. Don't copy each field individually.
8678 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8680 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8681 * rtl.c (rtx_size): Rename variable to...
8682 (rtx_code_size): ...this.
8683 (rtx_size): New function.
8684 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8685 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8687 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8688 * rtl.h (rtx_code_size): New variable.
8689 (rtx_size): Change from a variable to a function.
8690 (RTX_SIZE): Rename to...
8691 (RTX_CODE_SIZE): ...this.
8694 PR tree-optimization/17106
8695 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8696 (Anchored Addresses): New section.
8697 * doc/invoke.texi (-fsection-anchors): Document.
8698 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8699 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8700 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8701 * hooks.c (hook_bool_mode_rtx_false): New function.
8702 * hooks.h (hook_bool_mode_rtx_false): Declare.
8703 * gengtype.c (create_optional_field): New function.
8704 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8705 SYMBOL_REF_IN_BLOCK_P is true.
8706 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8707 (min_anchor_offset, max_anchor_offset): Likewise.
8708 (use_anchors_for_symbol_p): New hook.
8709 * toplev.c (compile_file): Call output_object_blocks.
8710 (target_supports_section_anchors_p): New function.
8711 (process_options): Check that -fsection-anchors is only used on
8712 targets that support it and when -funit-at-a-time is in effect.
8713 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8714 if the decl doesn't have one.
8715 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8716 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8717 of force_const_mem through use_anchored_address.
8718 (expand_expr_constant): New function.
8719 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8720 calling expand_expr for INDIRECT_REF.
8721 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8722 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8723 * expr.h (use_anchored_address): Declare.
8724 * loop-unroll.c: Don't declare rtx vectors here.
8725 * explow.c: Include output.h.
8726 (validize_mem): Call use_anchored_address.
8727 (use_anchored_address): New function.
8728 * common.opt (-fsection-anchors): New switch.
8729 * varasm.c (object_block_htab, anchor_labelno): New variables.
8730 (hash_section, object_block_entry_eq, object_block_entry_hash)
8731 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8732 (use_blocks_for_decl_p, change_symbol_section): New functions.
8733 (get_variable_section): New function, split out from assemble_variable.
8734 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8735 use_blocks_for_decl_p say so. Use change_symbol_section if the
8736 symbol has already been created.
8737 (assemble_variable_contents): New function, split out from...
8738 (assemble_variable): ...here. Don't output any code for
8739 block symbols; just pass them to place_block_symbol.
8740 Use get_variable_section and assemble_variable_contents.
8741 (get_constant_alignment, get_constant_section, get_constant_size): New
8742 functions, split from output_constant_def_contents.
8743 (build_constant_desc): Create a block symbol if use_object_blocks_p
8744 says so. Or into SYMBOL_REF_FLAGS.
8745 (assemble_constant_contents): New function, split from...
8746 (output_constant_def_contents): ...here. Don't output any code
8747 for block symbols; just pass them to place_section_symbol.
8748 Use get_constant_section and get_constant_alignment.
8749 (force_const_mem): Create a block symbol if use_object_blocks_p and
8750 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8751 (output_constant_pool_1): Add an explicit alignment argument.
8752 Don't switch sections here.
8753 (output_constant_pool): Adjust call to output_constant_pool_1.
8754 Switch sections here instead. Don't output anything for block symbols;
8755 just pass them to place_block_symbol.
8756 (init_varasm_once): Initialize object_block_htab.
8757 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8758 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8759 (place_block_symbol, get_section_anchor, output_object_block)
8760 (output_object_block_htab, output_object_blocks): New functions.
8761 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8762 (TARGET_ASM_OUT): Include it.
8763 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8764 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8765 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8766 (TARGET_INITIALIZER): Include them.
8767 * rtl.c (rtl_check_failed_block_symbol): New function.
8768 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8769 (block_symbol, object_block): New structures.
8770 (rtx_def): Add a block_symbol field to the union.
8771 (BLOCK_SYMBOL_CHECK): New macro.
8772 (rtl_check_failed_block_symbol): Declare.
8773 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8774 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8775 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8776 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8777 * output.h (output_section_symbols): Declare.
8778 (object_block): Name structure.
8779 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8780 (default_use_anchors_for_symbol_p): Declare.
8781 * Makefile.in (RTL_BASE_H): Add vec.h.
8782 (explow.o): Depend on output.h.
8783 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8784 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8785 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8786 (rs6000_use_blocks_for_constant_p): New function.
8788 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8790 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8792 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8795 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8798 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8800 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8804 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8807 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8808 instead of DECL_REGISTER.
8810 2006-02-18 Olivier Hainque <hainque@adacore.com>
8813 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8815 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8818 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8819 * opth-gen.awk: Handle Var and InverseMask together.
8820 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8821 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8822 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8823 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8825 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8826 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8827 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8828 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8829 LINUX_DYNAMIC_LINKER): Define.
8830 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8831 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8833 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8834 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8835 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8836 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8837 (TARGET_C99_FUNCTIONS): Don't define.
8838 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8839 GLIBC_DYNAMIC_LINKER.
8840 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8841 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8842 GLIBC_DYNAMIC_LINKER64): Define.
8843 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8844 LINUX_DYNAMIC_LINKER64.
8845 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8846 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8847 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8848 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8849 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8850 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8851 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8852 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8853 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8854 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8855 and LINUX_DYNAMIC_LINKER32.
8856 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8857 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8858 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8859 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8860 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8862 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8863 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8864 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8865 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8866 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8867 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8868 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8869 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8870 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8871 LINUX_DYNAMIC_LINKER): Define.
8872 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8873 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8874 GLIBC_DYNAMIC_LINKER64): Define.
8875 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8876 LINUX_DYNAMIC_LINKER64.
8877 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8878 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8879 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8880 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8881 LINUX_DYNAMIC_LINKER): Define.
8882 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8883 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8884 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8885 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8886 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8887 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8888 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8889 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8890 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8891 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8892 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8893 * doc/invoke.texi (-muclibc): Remove caveat about supported
8896 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8898 * doc/cpp.texi (__TIMESTAMP__): Document.
8900 2006-02-17 Roger Sayle <roger@eyesopen.com>
8903 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8904 C is one less than the width of X (and related transformations).
8905 * simplify-rtx.c (simplify_unary_operation_1): Transform
8906 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8907 depending on STORE_FLAG_VALUE, were C is one less then the
8910 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8912 Fix PR tree-optimization/26341
8913 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8914 about NAME_MEMORY_TAG's.
8916 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8919 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8920 with hardware float support, and software float support. Add fcpy
8921 alternative to hardware patterns. Add alternatives to copy between
8922 general and floating-point registers to the 32-bit pattern.
8923 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8924 secondary reload to load a QI or HI mode constant into a floating
8926 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8927 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8929 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8932 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8934 (load_macho_picbase_di): Likewise.
8936 2006-02-16 Jeff Law <law@redhat.com>
8938 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8939 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8940 (ssa_name_nonzero_p): Likewise.
8941 (get_value_range): Return NULL if VRP is not running.
8942 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8943 VRP routines do not discover a range.
8944 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8945 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8946 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8947 (tree_expr_nonnegative_p): Similarly.
8948 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8949 (restore_nonzero_vars_to_original_value): Remove.
8950 (unsafe_associative_fp_binop): Remove.
8951 (tree_ssa_dominator_optimize): Remove initialization and
8952 finalization of nonzero_vars and nonzero_vars_stack.
8953 (dom_opt_initialize_block): No longer push marker on
8955 (dom_opt_finalize_block): No longer call
8956 restore_nonzero_vars_to_original_value.
8957 (record_equivalences_from_phis): No longer look for
8958 nonzero PHI arguments.
8959 (cprop_into_successor_phis): No longer propagate nonzero
8960 property into PHI arguments. Lose unused argument. Caller
8962 (record_equivalences_from_stmt): No longer record nonzero
8963 values for SSA_NAMEs.
8964 (lookup_avail_expr): No longer use nonzero_vars.
8966 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8967 for sizetype when sizetype is unsigned.
8969 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8971 PR rtl-optimization/25603
8972 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8973 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8974 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8975 with new meaning of SETS.
8977 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8982 * config/linux.opt: New file.
8983 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8984 LINUX_DYNAMIC_LINKER): Define.
8985 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8986 * config.gcc (*-*-linux*): Define extra_options.
8987 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8988 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8989 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8990 GLIBC_DYNAMIC_LINKER.
8991 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8992 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8993 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8994 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8995 * doc/invoke.texi (GNU/Linux Options): New section.
8997 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8999 * config/sparc/sparc.md (setjmp): Rewrite.
9000 (setjmp_32): Delete.
9001 (setjmp_64): Likewise.
9003 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9005 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9008 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9010 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9013 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9015 PR rtl-optimization/26296
9016 * Makefile.in (loop-invariant.c): Add except.h dependency.
9017 * loop-invariant.c: Include except.h.
9018 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9020 2005-02-16 Paul Brook <paul@codesourcery.com>
9022 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9025 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9027 PR rtl-optimization/25636
9028 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9029 when deciding whether an insn is an initializing insn.
9031 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9033 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9034 (tree_code_size): Ditto.
9035 * tree.h (struct tree_memory_tag): Remove parent_var.
9036 (struct tree_struct_field_tag): New.
9039 (union tree_node): Add sft member.
9040 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9042 (create_sft): Add size and offset argument, set SFT_OFFSET and
9044 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9045 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9046 * tree-flow-inline.h (get_subvar_at): Update for
9047 SFT_OFFSET/SFT_SIZE.
9048 (var_can_have_subvars): Ditto.
9049 (overlap_subvar): Ditto.
9050 * print-tree.c (print_node): Print out interesting things for
9052 * tree-flow.h (struct subvar): Remove offset and size members.
9053 * tree-ssa-operands.c (get_expr_operands): Update for
9054 get_indirect_ref_operands changes.
9055 (get_indirect_ref_operands): Call add_virtual_operand instead of
9056 add_stmt_operand. Only recurse on base var if requested.
9057 (access_can_touch_variable): New function.
9058 (add_stmt_operand): Split virtual operand handling into ...
9059 (add_virtual_operand): Here. Add offset, size, and for_clobber
9060 arguments. Prune alias sets.
9061 (add_call_clobber_ops): Call add_virtual_operand.
9063 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9066 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9068 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9069 than TREE_CODE as index into omp_clause_num_ops array.
9071 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9073 PR rtl-optimization/26184
9074 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9076 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9077 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9078 must_precede, must_follow and tobe_scheduled.
9081 * opts.c (common_handle_option): Free new_option pointer.
9082 * df-core.c (df_analyze): Free postorder pointer.
9084 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9086 * Makefile.in: Fix the examples about the use of stamps
9088 2006-02-15 Michael Matz <matz@suse.de>
9092 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9093 influenced by maximum_field_alignment or DECL_PACKED.
9094 (update_alignment_for_field): Ditto.
9095 (place_field): Ditto.
9096 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9099 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9101 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9102 (debug_flow_info): Pass it.
9103 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9104 * bb-reorder.c (reorder_basic_blocks): Likewise.
9105 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9106 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9107 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9108 * gcse.c (gcse_main, bypass_jumps): Likewise.
9109 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9110 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9111 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9112 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9113 * rtl.h (dump_flow_info): Adjust prototype.
9114 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9115 * var-tracking.c (variable_tracking_main): Likewise.
9116 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9117 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9120 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9122 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9125 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9127 PR tree-optimization/26209
9128 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9129 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9131 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9133 2006-02-14 Roger Sayle <roger@eyesopen.com>
9136 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9137 (X,Y) and the corresponding symmetry related transformations.
9138 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9139 (X,Y) and its symmetry related transformations.
9141 2006-02-14 Roger Sayle <roger@eyesopen.com>
9143 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9146 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9148 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9150 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9153 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9154 support COMDAT group.
9155 * configure: Regenerate.
9157 2006-02-14 Roger Sayle <roger@eyesopen.com>
9162 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9164 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9166 Fix PR tree-optimization/26260
9168 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9170 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9171 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9172 * tree-ssa-structalias.c (create_variable_info_for): Use
9173 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9175 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9177 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9179 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9180 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9181 of the ending condition.
9182 * tree-ssa-loop-manip.c: Include params.h.
9183 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9184 tree_unroll_loop): New functions.
9185 * tree-pass.h (pass_loop_prefetch): Declare.
9186 * loop.c (rest_of_handle_loop_optimize): Test for
9187 -fprefetch-loop-arrays-rtl.
9188 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9189 * timevar.def (TV_TREE_PREFETCH): New timevar.
9190 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9191 pass_loop_prefetch): New.
9192 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9193 (cleanup_tree_cfg_loop): Call scev_reset.
9194 * common.opt (fprefetch-loop-arrays-rtl): Add.
9195 * tree-ssa-loop-prefetch.c: New file.
9196 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9197 (new_temp_expr_table): Initialize expr_vars.
9198 (free_temp_expr_table): Cleanup expr_vars.
9199 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9200 expressions from being merged into one.
9201 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9202 (struct tree_niter_desc): Add control, bound and cmp fields.
9203 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9205 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9206 (tree-cfgcleanup.o): Add SCEV_H dependency.
9207 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9208 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9210 2006-02-14 Richard Guenther <rguenther@suse.de>
9212 PR tree-optimization/26258
9213 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9214 in PHI argument processing.
9216 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9218 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9219 new expression in the requested machine mode.
9221 2006-02-13 Roger Sayle <roger@eyesopen.com>
9223 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9224 directly, instead let do_compare_rtx_and_jump handle this for us.
9225 * expr.c (expand_expr_real_1): Likewise.
9226 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9227 before do_jump_by_parts_greater.
9228 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9229 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9231 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9233 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9235 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9237 PR rtl-optimization/26235
9238 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9239 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9242 2006-02-13 Jeff Law <law@redhat.com>
9244 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9247 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9250 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9251 twice if decl is a builtin. When trying again, call get_callee_fndecl
9252 first to verify it is still a builtin.
9254 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9256 * dwarf2out.c (base_type_die): Don't add AT_name here.
9257 (subrange_type_die): Don't add AT_name here.
9258 (modified_type_die): Rearrange code flow. Do add AT_name here.
9260 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9262 PR rtl-optimization/26247
9263 PR rtl-optimization/26248
9264 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9266 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9268 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9269 * config/fixtfdi.c: Likewise.
9270 * config/fixunstfdi.c: Likewise.
9271 * config/floatditf.c: Likewise.
9273 2006-02-13 Roger Sayle <roger@eyesopen.com>
9276 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9277 into (X,C2) if C1 is a subset of the bits of C2. Transform
9278 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9280 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9282 2006-02-13 Josh Conner <jconner@apple.com>
9285 * varasm.c (function_section): Check for section name before
9286 calling select_section on targets that define
9287 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9288 unlikely_text_section instead of hot_function_section if
9289 first_function_block_is_cold.
9291 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9294 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9296 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9298 PR rtl-optimization/26222
9299 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9300 after tree->rtl expansion.
9301 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9302 before passing it to emit_move_insn.
9304 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9306 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9308 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9309 Clarify documentation.
9310 * c-common.h (warn_write_strings): Remove.
9311 * c-common.c (warn_write_strings): Likewise.
9312 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9315 2006-02-12 Roger Sayle <roger@eyesopen.com>
9318 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9319 (do_jump_parts_zero_rtx): New function renamed from
9320 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9321 (do_jump_parts_equality_rtx): New function split out from
9322 do_jump_parts_equality. Old implementation renamed as above.
9323 Call do_jump_parts_zero_rtx if either operand is zero.
9324 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9325 do all of the heavy lifting.
9326 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9327 calling either do_jump_by_parts_greater_rtx or
9328 do_jump_by_parts_equality_rtx.
9329 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9330 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9331 moved to do_compare_rtx_and_jump, call it directly.
9332 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9333 mode argument. Call do_compare_rtx_and_jump.
9334 (emit_case_nodes): Update calls to do_jump_if_equal.
9336 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9338 PR rtl-optimization/26225
9339 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9341 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9343 PR rtl-optimization/26232
9344 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9346 2006-02-11 Jason Merrill <jason@redhat.com>
9349 * tree-inline.c (declare_return_variable): Just don't use the
9350 modify target if it's a gimple complex reg and the return slot
9353 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9355 * doc/contrib.texi: Update my entry.
9357 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9359 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9361 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9363 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9366 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9368 * doc/invoke.texi (-floop-optimize2): Removed.
9369 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9370 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9371 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9372 * common.opt (floop-optimize2): Removed.
9373 (fmove-loop-invariants): Enabled by default.
9375 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9377 * tree-if-conv.c (combine_blocks): Free the result of
9378 get_loop_exit_edges.
9380 2006-02-10 Jeff Law <law@redhat.com>
9382 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9384 PR tree-optimization/26213
9385 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9386 loop trying to follow SSA_NAME_VALUE chains.
9388 2006-02-10 Richard Guenther <rguenther@suse.de>
9390 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9391 deal with structures that end in implicitly variable sized arrays.
9393 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9395 PR rtl-optimization/24762
9396 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9399 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9401 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9402 (struct ivopts_data): Add regs_used field.
9403 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9404 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9405 instead of loop_data->regs_used;
9406 (free_loop_data): Do not free aux fields for loops.
9407 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9408 and tree_ssa_iv_optimize_finalize.
9410 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9412 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9414 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9417 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9418 computing the effective result type.
9420 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9423 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9424 (tree_overlaps_hard_reg_set): Declare.
9425 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9426 type and signature to match function type expected by walk_tree.
9427 (tree_overlaps_hard_reg_set): New function.
9428 (decl_conflicts_with_clobbers_p): Rename to:
9429 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9430 Use tree_overlaps_hard_reg_set. Changed caller.
9431 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9432 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9433 * cris.c (cris_md_asm_clobbers): Likewise.
9435 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9437 * reload1.c (emit_input_reload_insns): Delete code that tries to
9438 inherit using find_equiv_reg.
9440 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9442 * c-common.h (flag_const_strings): Don't declare.
9443 * c-common.c (flag_const_strings): Remove.
9444 * c.opt (fconst_strings): Remove.
9445 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9446 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9447 (c_common_init_options): Don't set flag_const_strings.
9448 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9450 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9452 * arm.md (tlobits_cbranch): New pattern.
9453 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9454 testing a single bit.
9456 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9459 * tree-ssa-pre.c (create_component_ref_by_pieces):
9460 Handle RETURN_DECL like VAR_DECL.
9462 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9465 * fold-const.c (fold_indirect_ref_1): Fold
9466 "*(foo *)&complexfoo" to "__real__ complexfoo"
9467 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9469 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9471 * tree-flow-inline.h (var_can_have_subvars):
9472 Volatile variables should not have subvariables.
9474 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9477 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9478 multiplying unsigned values.
9481 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9483 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9485 2006-02-08 Jason Merrill <jason@redhat.com>
9488 * tree.def: Elaborate on difference from MODIFY_EXPR.
9489 * doc/c-tree.texi (INIT_EXPR): Likewise.
9490 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9491 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9492 (gimplify_target_expr): Likewise.
9493 (gimplify_cond_expr): Remove target handling.
9494 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9495 (gimplify_expr): Clobber it here.
9496 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9497 Do return slot optimization if we have an INIT_EXPR.
9500 * tree-inline.c (declare_return_variable): Also clear
9501 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9504 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9507 * gimplify.c (gimplify_one_sizepos): Fix typo.
9509 2006-02-08 Jeff Law <law@redhat.com>
9511 PR tree-optimization/21417
9512 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9513 across a backedge if the control statement at the end of the
9514 block is data dependent on other statements in the same block.
9515 (record_temporary_equivalences_from_stmts): Remove over-conservative
9516 test for threading across backedges.
9518 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9519 control statement, handle all three special cases in the same
9520 manner as they all have the same desired solution. No longer
9521 special case edge flag updating when the post dominator is
9524 2006-02-08 Roger Sayle <roger@eyesopen.com>
9526 * tree.def (CHAR_TYPE): Remove.
9527 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9528 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9529 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9530 (gen_string_type_die): Delete unreachable function.
9532 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9533 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9534 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9535 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9536 * builtins.c (type_to_class): Likewise.
9537 * fold-const.c (fold_convert, build_range_check,
9538 merge_ranges): Likewise.
9539 * expr.c (count_type_elements): Likewise.
9540 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9541 * stor-layout.c (layout_type): Likewise.
9542 * ipa-type-escape.c (type_to_consider): Likewise.
9543 * gimplify.c (omp_firstprivatize_type_sizes,
9544 gimplify_type_sizes): Likewise.
9545 * explow.c (promote_mode): Likewise.
9546 * tree-sra.c (is_sra_scalar_type): Likewise.
9547 * varasm.c (output_constant): Likewise.
9548 * tree-inline.c (remap_type_1): Likewise.
9549 * convert.c (convert_to_pointer, convert_to_real,
9550 convert_to_integer, convert_to_complex): Likewise.
9552 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9554 * df-scan.c (df_def_record_1): A set destination may
9555 be a parallel regardless of mode.
9557 2006-02-08 Roger Sayle <roger@eyesopen.com>
9560 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9561 * config/mips/_tilib.c: Remove.
9562 * config/fixtfdi.c: New libgcc source file.
9563 * config/fixunstfdi.c: New source file.
9564 * config/floatditf.c: New source file.
9565 * config/floatunditf.c: New souce file.
9566 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9567 files above instead of config/mips/_tilib.c.
9568 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9570 2006-02-08 Jeff Law <law@redhat.com>
9572 PR tree-optimization/26169
9573 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9576 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9578 * df.h (DF_REG_SIZE): Return the length of the initialized
9581 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9583 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9584 __muldf3): Return a correctly signed zero.
9586 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9588 * passes.c (register_one_dump_file): Accept the current properties
9589 instead of pass number. Adjust call to dump_register. Remove
9591 (register_dump_files): Now a wrapper around...
9592 (register_dump_files_1): ... this one. Do not modify the pass
9594 (next_pass_1): Cosmetic fix.
9595 (execute_todo): Keep second parameter only. Use curr_properties
9596 instead of fetching it from the pass structure. Check and set
9598 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9599 instead of fetching it from the pass structure. Fix calls to
9600 execute_todo. Update curr_properties and initialize .vcg RTL dump
9601 after running the pass. Reset last_verified.
9602 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9604 (FIRST_AUTO_NUMBERED_DUMP): New.
9605 (dump_register): Remove "num" parameter, assign it within the
9607 (get_dump_file_name): Modify template for dumps.
9608 * tree-dump.h (dump_register): Adjust prototype.
9609 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9610 (PROP_trees): Add PROP_gimple_lomp.
9611 (TODO_set_props): New.
9612 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9613 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9614 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9616 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9618 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9619 (sparc64-*-linux*): Likewise.
9620 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9621 * config/sparc/t-linux: New file.
9622 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9623 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9624 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9625 -m32 -mlong-double-128.
9627 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9628 * config/alpha/t-linux: New file.
9629 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9631 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9632 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9633 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9634 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9635 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9636 (CPP_ARCH32_SPEC): Remove.
9638 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9640 PR tree-optimization/26145
9641 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9644 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9647 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9648 >= 240000 when generating code for SOM runtime.
9649 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9650 to $$dyncall when generating code for SOM runtime..
9652 2006-02-07 Dirk Mueller <dmueller@suse.com>
9655 * doc/invoke.texi (-Wsequence-point): Update documentation
9656 that -Wsequence-point is implemented for C++ as well.
9658 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9660 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9661 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9662 (LIB_SPEC): Likewise.
9663 * doc/invoke.texi (SPARC options): Document -pthread.
9665 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9667 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9670 2006-02-07 Roger Sayle <roger@eyesopen.com>
9672 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9673 Correct comment describing BOOLEAN_TYPE.
9675 2006-02-07 Dirk Mueller <dmueller@suse.com>
9677 * c.opt: C++ frontend supports -Wdiv-by-zero.
9678 * c-opts.c (c_common_handle_option): Remove dead case.
9680 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9682 * configure.ac (TLS assembler check): Do not enable TLS by
9683 default on SPARC/Solaris before version 10.
9684 * configure: Regenerate.
9686 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9688 * doc/invoke.texi (xl-compat): Document conversion and support
9691 2006-02-07 Jeff Law <law@redhat.com>
9693 * tree-vrp.c (find_conditional_asserts): Update comments.
9694 (simplify_stmt_for_jump_threading): New.
9695 (identify_jump_threads, finalize_jump_threads): New.
9696 (vrp_finalize): Call identify_jump_threads.
9697 (execute_vrp): Call finalize_jump_threads.
9698 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9699 (vrp_element, vrp_data, vrp_element_p): Remove.
9700 (vrp_hash_elt, vrp_variables_stack): Remove.
9701 (vrp_hash, vrp_eq, record_range): Remove.
9702 (simplify_cond_and_lookup_avail_expr): Remove.
9703 (extract_range_from_cond): Remove.
9704 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9705 (simplify_stmt_for_jump_threading): New.
9706 (dom_thread_across_edge): New wrapper.
9707 (tree_ssa_dominator_optimize): No longer initialize or
9708 finalize any of the VRP datastructures. Remove iteration
9709 step and simplify as a result of removal of iteration step.
9710 (pass_dominator): Perform a cfg cleanup after DOM.
9711 (dom_opt_finalize_block): Use the new common routines
9712 for threading jumps. Simplify stack management slightly.
9713 No longer need to unwind VRP state.
9714 (record_equivalences_from_incoming_edge): No longer record
9716 (eliminate_redundant_computations): No longer call
9717 simplify_cond_and_lookup_avail_expr.
9718 * tree-flow.h (potentially_threadable_block): Prototype.
9719 (thread_across_edge): Likewise.
9720 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9721 (tree-ssa-threadedge.o): Add dependencies.
9722 * tree-ssa-threadedge.c: New file.
9723 * passes.c (init_optimization_passes): Merge PHIs before
9724 calling VRP. Run VRP again late in the SSA optimization pipeline.
9726 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9728 * df-core.c (df_set_blocks): Do not dereference function pointers.
9729 (df_finish1): Likewise.
9730 (df_hybrid_search_forward): Likewise.
9731 (df_hybrid_search_backward): Likewise.
9732 (df_iterative_dataflow): Likewise.
9733 (df_analyze_problem): Likewise.
9734 (df_compact_blocks): Likewise.
9735 (df_dump): Likewise.
9736 * df-scan.c (df_rescan_blocks): Likewise.
9737 (df_record_entry_block_defs): Likewise.
9739 * genconditions.c (write_conditions): Guard the definition of
9740 'insn_conditions' with the check on GCC version.
9741 (write_writer): Guard the traversal 'insn_conditions' with
9742 the check on GCC version.
9744 2006-02-07 Richard Guenther <rguenther@suse.de>
9748 2006-01-30 Richard Guenther <rguenther@suse.de>
9750 * gimplify.c (gimplify_target_expr): Handle easy cases
9751 without creating a temporary.
9753 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9755 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9756 use of float in probability computations. Use edge probabilities
9757 in place of statically computed probabilities.
9758 (min_spec_prob): New static variable.
9759 (schedule_insns): Initialize it.
9760 (GET_SRC_PROB): Removed.
9761 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9763 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9766 * config/ia64/unwind-ia64.c: Revert last change.
9767 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9768 (INCOMING_FRAME_SP_OFFSET): Define.
9770 2006-02-06 Roger Sayle <roger@eyesopen.com>
9772 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9774 2006-02-07 Ben Elliston <bje@au.ibm.com>
9776 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9777 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9778 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9779 (ix86_return_in_memory): Handle TDmode.
9780 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9781 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9783 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9785 * reorg.c (dbr_schedule): Use dump_file instead of file.
9787 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9790 * config/ia64/predicates.md (extr_len_operand): New predicate.
9791 * config/ia64/ia64.md (extv): Tighten constraints.
9793 (*tbit_and_2): Ditto.
9794 (*tbit_and_3): Ditto.
9795 (*tbit_or_2): Ditto.
9796 (*tbit_or_3): Ditto.
9800 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9803 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9805 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9807 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9808 loop_optimizer_init and loop_optimizer_finalize
9809 * tree-ssa-sink.c (execute_sink_code): Ditto.
9810 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9811 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9812 tree_ssa_loop_done): Ditto.
9813 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9814 * sched-ebb.c: Include output.h.
9815 (schedule_ebbs): Do not use dump argument.
9816 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9817 * loop.c (loop_dump_stream): Removed.
9818 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9820 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9821 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9822 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9823 loop_iterations, strength_reduce, record_biv, record_giv,
9824 final_giv_value, check_final_value, check_ext_dependent_givs,
9825 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9826 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9827 dump_file instead of loop_dump_stream.
9828 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9830 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9832 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9833 * haifa-sched.c: Include output.h
9834 (schedule_insns, sched_init): Do not use dump argument.
9835 * mode-switching.c (optimize_mode_switching): Ditto.
9836 * modulo-sched.c (stats_file): Removed.
9837 (print_node_sched_params): Do not call argument dump_file.
9838 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9839 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9841 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9843 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9844 rtl_loop_init, rtl_loop_done): Ditto.
9845 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9846 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9848 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9849 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9850 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9851 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9852 * emit-rtl.c (renumber_insns): Ditto.
9853 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9854 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9855 * regclass.c (regclass): Ditto.
9856 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9857 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9858 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9859 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9861 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9862 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9864 * gcse.c (gcse_file, debug_stderr): Removed.
9865 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9866 rest_of_handle_gcse): Do not use dump argument.
9867 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9868 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9869 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9870 compute_code_hoist_vbeinout, compute_code_hoist_data,
9871 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9872 compute_store_table, build_store_vectors, insert_insn_start_bb,
9873 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9874 store_motion): Use dump_file instead of gcse_file.
9875 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9876 * profile.c (profile_dump_file): Removed.
9877 (branch_prob): Use dump_file instead of profile_dump_file.
9878 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9880 * tree-ssa-copy.c (dump_copy_of): Ditto.
9881 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9882 dump file to life_analysis.
9883 * bt-load.c (branch_target_load_optimize): Ditto.
9884 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9886 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9887 regclass, dbr_schedule): Declaration changed.
9888 * sched-int.h (sched_init): Declaration changed.
9889 * tree-profile.c (tree_profile_dump_file): Removed.
9890 (tree_profile_hooks): Removed profile_dump_file hook.
9891 * rtl-profile (rtl_profile_dump_file): Removed.
9892 (rtl_profile_hooks): emoved profile_dump_file hook.
9893 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9895 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9896 * tree-cfg.c (build_tree_cfg): Ditto.
9897 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9898 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9899 Declaration changed.
9900 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9901 life_analysis and schedule_insns.
9902 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9904 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9906 * config/mips/mips.c (mips_reorg): Ditto.
9907 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9910 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9912 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9913 (s390_mangle_fundamental_type): New.
9914 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9917 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9918 (alpha_mangle_fundamental_type): New.
9919 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9922 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9924 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9926 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9927 (sparc_mangle_fundamental_type): New.
9929 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9931 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9932 (s390x-*-linux*): Likewise.
9933 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9934 * config/s390/t-linux: New file.
9936 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9938 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9939 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9941 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9943 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9944 (ANTIC_SAFE_LOADS): New macro.
9945 (find_or_generate_expression): Add prototype.
9946 (set_contains_value): Allow null set for sake of not always having
9947 to allocate ANTIC_SAFE_LOADS.
9948 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9949 Allow COMPONENT_REF too.
9950 (valid_in_set): Allow COMPONENT_REF.
9951 Check ANTIC_SAFE_LOADS too.
9952 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9953 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9955 (can_PRE_operation): Add COMPONENT_REF.
9956 (create_component_ref_by_pieces): New function.
9957 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9958 (insert_aux): Move AGGREGATE_TYPE_P check here.
9959 (compute_avail): Set bb local stmt uids.
9960 (pass_pre): Use TODO_update_ssa_only_virtuals.
9962 2006-02-06 Ben Elliston <bje@au.ibm.com>
9964 * configure.ac: Unconditionally disable decimal float by default.
9965 * configure: Regenerate.
9967 2006-02-06 Ben Elliston <bje@au.ibm.com>
9969 * read-rtl.c (read_name): Terminate reading on EOF.
9971 2006-02-06 Ben Elliston <bje@au.ibm.com>
9973 * dfp.c (decimal_real_arithmetic): Change second argument type
9974 from int to enum tree_code. Do not always return true, but now
9975 return result of any call to decimal_do helper functions.
9976 * dfp.h (decimal_real_arithmetic): Update prototype.
9978 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9980 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9982 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9985 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9988 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9990 * tree-vrp.c (cfg_loops): Removed.
9991 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9992 Use current_loops instead of cfg_loops. Pass flags to
9993 loop_optimizer_init.
9994 * cfgloopmanip.c (fix_loop_structure): Update only available
9996 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9997 loop_optimizer_init.
9998 * modulo-sched.c (build_loops_structure): Removed.
9999 (sms_schedule): Use loop_optimizer_init.
10000 * loop-init.c (loop_optimizer_init): Use flags to determine
10001 which properties of loops to prepare.
10002 (rtl_loop_init): Pass flags to loop_optimizer_init.
10003 * tree-ssa-sink.c (execute_sink_code): Ditto.
10004 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10005 * tree-ssa-pre.c (init_pre): Ditto.
10006 * cfgloop.h (LOOPS_NORMAL): New.
10007 (loop_optimizer_init): Declaration changed.
10009 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10011 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10012 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10014 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10016 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10018 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10019 * pa/t-pa64: Delete quadlib.c rule.
10020 * pa/x-ada: Revert last change.
10021 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10023 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10025 PR rtl-optimization/26087
10026 * rtlanal.c (canonicalize_condition): Do not cross basic block
10029 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10032 * config/ia64/ia64.c: Include debug.h.
10033 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10034 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10035 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10036 (process_epilogue, process_set, process_for_unwind_directive):
10037 Output unwind info only if requested. Add CFA info if requested.
10038 Add new arguments as needed. Adjust callers.
10039 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10041 (DWARF2_FRAME_INFO): Define to zero.
10042 * config/ia64/unwind-ia64.c: Remove code that compensated for
10043 the CFA offset error fixed above.
10044 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10045 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10046 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10047 -funwind-tables and -fexceptions to enable frame info.
10048 (dwarf2out_frame_init): Define initial CFA even if
10049 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10050 DWARF2_UNWIND_INFO is nonzero, not just defined.
10051 (dwarf2out_frame_finish): Output non-EH call frame info only
10052 if DWARF2_FRAME_INFO is nonzero.
10053 (convert_cfa_to_loc_list,
10054 compute_frame_pointer_to_cfa_displacement): Define even if
10055 unwind info is not supported.
10056 (gen_subprogram_die): Use the above unconditionally. Remove
10057 legacy alternate code.
10058 * toplev.c (compile_file): Compile in call to
10059 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10060 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10062 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10063 Jakub Jelinek <jakub@redhat.com>
10065 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10066 IBM extended float format long double as "g" on powerpc*-linux.
10068 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10071 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10072 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10074 2006-02-03 Jason Merrill <jason@redhat.com>
10077 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10079 PR middle-end/25977
10080 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10081 on the return slot if it's an NRV.
10083 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10085 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10086 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10087 rewrite_use): Do not handle USE_OUTER.
10088 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10089 add_iv_outer_candidates, may_replace_final_value,
10090 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10091 (find_interesting_uses_op): Functionality of
10092 find_interesting_uses_outer_or_nonlin moved here.
10093 (find_interesting_uses_outside): Use find_interesting_uses_op.
10095 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10098 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10100 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10101 Ulrich Weigand <uweigand@de.ibm.com>
10104 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10105 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10106 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10107 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10109 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10110 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10111 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10112 Define secondary reloads for TFmode moves.
10113 (constant_modes): Add TFmode.
10114 (NR_C_MODES): Set to 8.
10115 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10117 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10118 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10119 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10120 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10121 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10122 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10123 (FPR mode macro): Add TFmode.
10124 (DSF mode macro): New.
10125 (<de>, <dee> mode attributes): Removed.
10126 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10127 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10128 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10129 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10130 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10131 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10132 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10133 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10134 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10135 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10136 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10137 "*negabs<mode>2", "sqrt<mode>2"):
10138 Changed <de> to <xde>. R constraint replaced by <Rf>.
10139 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10141 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10142 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10143 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10145 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10146 "extenddftf2", "extendsftf2"): New expanders.
10147 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10148 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10149 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10150 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10152 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10153 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10154 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10155 __floatditf): Add a GCC_4.1.0 symbol version tag.
10156 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10159 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10162 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10163 Use targetm.binds_local_p instead of TREE_PUBLIC.
10165 2006-02-02 Roger Sayle <roger@eyesopen.com>
10167 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10168 on INTEGER_TYPEs to indicate that it denotes a character type.
10169 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10170 signed_char_type_node, unsigned_char_type_node and char_type_node.
10171 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10172 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10173 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10175 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10176 Daniel Berlin <dberlin@dberlin.org>
10178 * tree-tailcall.c (arg_needs_copy_p): New function.
10179 (eliminate_tail_call): Use arg_needs_copy_p.
10180 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10181 (add_virtual_phis): New function.
10183 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10185 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10186 #ignore instead of #scratch for %g7 .register directive.
10188 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10190 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10193 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10195 * flow.c (calculate_global_regs_live): Assert that there aren't any
10198 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10200 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10201 what its name says.
10202 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10203 bsi_after_labels iterator.
10204 * tree-if-conv.c (find_phi_replacement_condition,
10205 replace_phi_with_cond_modify_expr): Likewise.
10206 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10207 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10209 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10211 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10213 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10216 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10217 array after growing it.
10219 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10221 PR middle-end/24901
10222 * fold-const.c (fold_checksum_tree): Change type of buf.
10224 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10226 * reload.c (push_secondary_reload): Initialize t_icode.
10228 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10230 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10231 -msoft-float -mlong-double-128 only issue a warning, but don't
10232 swich to DFmode long double.
10234 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10236 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10237 has a constant equivalent, iterate over equivalents for arg0,
10238 calling simplify_relational_operation and if there's a result
10239 cheaper than X, apply fold_rtx and return the result.
10241 2006-02-01 Jan Hubicka <jh@suse.cz>
10243 * opts.c (no_unit_at_a_time_default): New global variable.
10244 (decode_options): Use it.
10245 * opts.h (no_unit_at_a_time_default): Declare.
10247 2006-02-01 Paul Brook <paul@codesourcery.com>
10249 * function.c (assign_parm_setup_reg): Use function argument promotion
10251 * expr.c (expand_expr_real_1): Use function argument promotion rules
10254 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10256 * gcc.c (process_command): Change j to 'unsigned int'.
10258 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10260 PR middle-end/26001
10261 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10262 Use the corrected index for the character
10263 out of the string constant.
10265 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10267 * mode-switching.c (optimize_mode_switching): Fix size
10268 allocated for bb_info[n_entities].
10270 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10272 * gcc.c (main): Correct type that is allocated for
10273 explicit_link_files.
10275 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10277 * config/s390/s390.c (init_alignment_context): Set
10278 ALIAS_SET_MEMORY_BARRIER on the MEM.
10279 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10281 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10283 PR middle-end/25933
10284 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10286 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10289 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10291 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10292 * regrename.c: Ditto.
10293 * tree-ssa-loop-im.c: Ditto.
10294 * tree-dump.c: Ditto.
10295 * tree-complex.c: Ditto.
10296 * genrecog.c: Ditto.
10297 * tree-ssa-threadupdate.c: Ditto.
10299 * java/class.c: Ditto.
10300 * java/jcf-parse.c: Ditto.
10301 * java/resource.c: Ditto.
10302 * java/except.c: Ditto.
10303 * java/jvspec.c: Ditto.
10304 * java/jcf-write.c: Ditto.
10305 * java/jcf-path.c: Ditto.
10306 * java/gjavah.c: Ditto.
10307 * java/zextract.c: Ditto.
10308 * java/jcf-io.c: Ditto.
10309 * java/jcf.h: Ditto.
10310 * java/buffer.c: Ditto.
10311 * java/lang.c: Ditto.
10312 * java/parse-scan.y: Ditto.
10313 * java/lex.c: Ditto.
10314 * java/lex.h: Ditto.
10315 * cfgloopmanip.c: Ditto.
10316 * postreload-gcse.c: Ditto.
10317 * tree-ssa-loop-manip.c: Ditto.
10318 * postreload.c: Ditto.
10319 * tree-ssa-loop-ch.c: Ditto.
10322 * cppspec.c: Ditto.
10323 * diagnostic.c: Ditto.
10325 * genoutput.c: Ditto.
10327 * cfghooks.c: Ditto.
10328 * cfgloopanal.c: Ditto.
10329 * objc/objc-act.c: Ditto.
10331 * genextract.c: Ditto.
10332 * genautomata.c: Ditto.
10333 * pretty-print.c: Ditto.
10334 * genemit.c: Ditto.
10335 * cgraphunit.c: Ditto.
10337 * df-scan.c: Ditto.
10338 * haifa-sched.c: Ditto.
10339 * dominance.c: Ditto.
10341 * tree-ssa-loop-ivopts.c: Ditto.
10342 * df-core.c: Ditto.
10343 * mode-switching.c: Ditto.
10344 * modulo-sched.c: Ditto.
10346 * ipa-pure-const.c: Ditto.
10348 * fix-header.c: Ditto.
10350 * tree-stdarg.c: Ditto.
10351 * ipa-utils.c: Ditto.
10352 * loop-init.c: Ditto.
10353 * ipa-inline.c: Ditto.
10354 * cfganal.c: Ditto.
10356 * alloc-pool.c: Ditto.
10357 * dwarf2out.c: Ditto.
10359 * genattrtab.c: Ditto.
10360 * tree-ssa-loop-ivcanon.c: Ditto.
10361 * predict.c: Ditto.
10362 * timevar.c: Ditto.
10364 * fortran/gfortranspec.c: Ditto.
10365 * regmove.c: Ditto.
10366 * local-alloc.c: Ditto.
10367 * langhooks.c: Ditto.
10368 * function.c: Ditto.
10369 * tree-vectorizer.c: Ditto.
10371 * ipa-type-escape.c: Ditto.
10373 * tree-if-conv.c: Ditto.
10374 * profile.c: Ditto.
10376 * tree-data-ref.c: Ditto.
10377 * loop-unroll.c: Ditto.
10378 * treelang/treetree.c: Ditto.
10380 * bt-load.c: Ditto.
10381 * ggc-common.c: Ditto.
10383 * coverage.c: Ditto.
10385 * tree-cfgcleanup.c: Ditto.
10386 * tree-ssa-pre.c: Ditto.
10387 * cfgcleanup.c: Ditto.
10388 * loop-invariant.c: Ditto.
10389 * loop-iv.c: Ditto.
10390 * ipa-prop.c: Ditto.
10391 * print-tree.c: Ditto.
10392 * conflict.c: Ditto.
10393 * ggc-page.c: Ditto.
10394 * sched-deps.c: Ditto.
10395 * regclass.c: Ditto.
10396 * tree-object-size.c: Ditto.
10397 * combine.c: Ditto.
10398 * bb-reorder.c: Ditto.
10399 * resource.c: Ditto.
10400 * var-tracking.c: Ditto.
10401 * cfgloop.c: Ditto.
10402 * df-problems.c: Ditto.
10403 * reg-stack.c: Ditto.
10405 * gccspec.c: Ditto.
10406 * sched-rgn.c: Ditto.
10407 * tree-ssa-structalias.c: Ditto.
10408 * tree-ssa-reassoc.c: Ditto.
10409 * config/darwin-c.c: Ditto.
10410 * config/darwin.c: Ditto.
10411 * config/arm/arm.c: Ditto.
10413 * collect2.c: Ditto.
10414 * reload1.c: Ditto.
10416 2006-01-31 Nicolas Pitre <nico@cam.org>
10418 * arm.md (smaxsi3): Make aware of smax_m1.
10421 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10423 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10425 2006-01-31 Richard Guenther <rguenther@suse.de>
10427 * doc/invoke.texi (-msselibm): Document.
10428 * target.h (expand_library_builtin): New target hook.
10429 * builtins.c (expand_builtin): Use expand_library_builtin.
10430 (default_expand_library_builtin): New function.
10431 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10432 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10433 (link_gcc_math_spec): Declare.
10434 (static_specs): Add link_gcc_math_spec.
10435 * expr.h (default_expand_library_builtin): Declare.
10436 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10437 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10438 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10439 * config/i386/i386.opt (msselibm): New target option.
10440 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10441 (ix86_init_sse_abi_builtins): New function.
10442 (ix86_expand_library_builtin): Likewise.
10443 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10444 (override_options): Handle error conditions wrt -msselibm.
10445 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10446 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10447 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10450 2006-01-31 Richard Guenther <rguenther@suse.de>
10451 Paolo Bonzini <bonzini@gnu.org>
10453 * doc/install.texi (--disable-libgcc-math): Document.
10455 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10457 * expr.h (expand_normal): new inline function.
10458 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10459 * dojump.c: use it.
10460 * dwarf2out.c: use it.
10463 * expmed.c: use it.
10464 * except.c: use it.
10465 * config/sparc/sparc.c: use it.
10466 * config/i386/i386.c: use it.
10467 * config/rs6000/rs6000.c: use it.
10468 * config/arm/arm.c: use it.
10469 * config/mips/mips.c: use it.
10470 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10472 2006-01-30 Roger Sayle <roger@eyesopen.com>
10474 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10475 argv to the appropriate type.
10477 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10479 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10482 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10485 * config/s390/s390.c (struct machine_function): New flag
10486 decomposed_literal_pool_addresses_ok_p.
10487 (s390_reorg): Set it before final stage of literal pool transforms.
10488 (s390_decompose_address): Only accept displacements of the form
10489 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10491 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10493 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10494 the comparison routine return.
10496 2006-01-30 Michael Matz <matz@suse.de>
10498 * global.c (find_reg): Only evict for global regs.
10499 Take n_refs into account and dump more info.
10501 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10504 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10505 (pragma_trap, pragma_nosave_low_regs): Likewise.
10506 (current_function_anonymous_args): Likewise.
10507 (sh_deferred_function_attributes): New variable.
10508 (sh_deferred_function_attributes_tail): Likewise.
10509 (print_operand): For '@', look up trap_exit attribute.
10510 (calc_live_regs): Look up trapa_handler attribute. For trapa
10511 handlers, save/restore fpscr, but don't do any other
10512 interrupt-specific saves.
10513 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10514 Fix check for partially saved registers to check for SHmedia.
10515 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10516 (sh_output_function_epilogue): Don't clear any of the removed
10518 (sh_insert_attributes): Don't check pragma_interrupt.
10519 Insert deferred attributes. Check that interrupt attribute is
10520 present for other attributes that require its presence.
10521 (sh_attribute_table): Add new attributes trapa_handler and
10523 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10524 Don't check for pragma_interrupt. Don't store argument.
10525 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10526 (sh_deferred_function_attributes): Declare.
10527 (sh_deferred_function_attributes_tail): Likewise.
10528 * sh.md (sp_switch_1): Add operand. Change generator caller.
10529 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10530 (*return_i): Don't use when trap_exit attribute is in effect.
10531 (*return_trapa): New insn pattern.
10532 * sh-c.c: New file.
10533 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10534 setting c_target_objs and cxx_target_objs.
10535 * t-sh: Add rule for sh-c.o.
10537 2006-01-30 Richard Guenther <rguenther@suse.de>
10540 * gimplify.c (gimplify_target_expr): Handle easy cases
10541 without creating a temporary.
10543 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10545 * vec.h (safe_grow): Remove duplicated line.
10547 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10550 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10551 (expand_omp): ... here.
10552 (expand_omp_parallel): Only remove barriers for combined
10553 parallel+workshare constructs.
10555 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10559 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10560 * tree.c (build_qualified_type): Chain the new type to the original
10561 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10562 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10563 (build_pointer_type_for_mode): Only return unqualified types.
10564 (build_reference_type_for_mode): Likewise.
10566 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10568 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10569 * Makefile.in (CXX_COMPAT_WARN): Define.
10570 * configure: Regenerate.
10572 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10575 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10578 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10580 * toplev.c: Fix thinko.
10582 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10583 Marcin Dalecki <martin@dalecki.de>
10585 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10586 (push_srcloc): Use XNEW.
10587 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10589 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10591 * df-core.c (df_set_blocks): Deleted all variable.
10593 2006-01-28 Ian Lance Taylor <ian@airs.com>
10595 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10596 cgraph_output_pending_asms.
10598 2006-01-28 Zack Weinberg <zackw@panix.com>
10600 * c.opt: Add -W(no-)overlength-strings.
10601 * doc/invoke.texi: Document it.
10602 * c-opts.c (c_common_handle_option): -pedantic implies
10603 -Woverlength-strings, if not explicitly disabled already.
10604 (c_common_post_options): -Woverlength-strings defaults to off, and
10605 is always off for C++.
10606 * c-common.c (fix_string_type): Issue warning about strings longer
10607 than is portable only if warn_overlength_strings. Rearrange code
10608 a little for clarity.
10609 * configure.in: Check for -Wno-overlength-strings as well before
10610 enabling -pedantic in stage 1.
10611 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10612 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10614 * genconditions.c (write_header, write_one_condition)
10615 (write_conditions, write_writer): Consolidate very long strings
10616 that were broken up to fit in C89 portable limit. Don't use
10617 printf when fputs will do.
10619 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10621 * combine.c (simplify_comparison <AND>): Check
10622 TRULY_NOOP_TRUNCATION before start using a subreg.
10624 * config/mips/mips.md (*branch_zero<mode>,
10625 *branch_zero<mode>_inverted, *branch_equality<mode>,
10626 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10627 Remove mode check from comparisons.
10629 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10631 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10633 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10635 * expmed.c (const_mult_add_overflow_p): Remove.
10636 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10638 * recog.c (validate_replace_rtx_subexp): Remove.
10639 * recog.h: Remove the prototype for
10640 validate_replace_rtx_subexp.
10642 * integrate.h: Remove the prototype for
10643 copy_decl_for_inlining.
10644 * rtl.h: Remove the prototype for mark_constant_function.
10645 * tree-vectorizer.h: Remove the prototype for
10646 vect_strip_conversion.
10648 * modulo-sched.c (create_partial_schedule,
10649 free_partial_schedule, reset_partial_schedule): Make them
10652 * hooks.c (hook_bool_rtx_int_false): Remove.
10653 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10655 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10657 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10658 and -mlong-double-128 are incompatible.
10659 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10660 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10661 (TARGET_LIBGCC2_CFLAGS): Define.
10662 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10663 (TARGET_LIBGCC2_CFLAGS): Same.
10664 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10666 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10669 * c-typeck.c (build_binary_op): Perform implicit casts of
10670 operands before shortening them.
10672 * cfgloopmanip.c (split_loop_bb): Remove.
10673 * cfgloop.h: Remove the prototype for split_loop_bb.
10675 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10676 * cfgloop.h: Remove the prototype for
10677 flow_loop_outside_edge_p.
10679 * emit-rtl.c (init_virtual_regs): Make it static.
10680 * function.h: Remove the prototype for init_virtual_regs.
10682 * recog.c (peephole2_optimize): Make it static.
10683 * recog.h: Remove the prototype for peephole2_optimize.
10685 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10687 * df-scan.c (df_record_entry_block_defs): Check if
10688 INCOMING_RETURN_ADDR_RTX is defined.
10690 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10691 Kenneth Zadeck <zadeck@naturalbridge.com>
10693 PR rtl-optimization/24762
10694 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10695 * targhooks.c (hook_void_bitmap): New hook prototype.
10696 * targhoohs.h (hook_void_bitmap): Ditto.
10697 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10698 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10699 * target.h (live_on_entry): New function pointer.
10700 * df-scan.c (df_all_hard_regs): Removed.
10701 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10702 (df_scan_free_internal): Added df->entry_block_defs.
10703 (df_scan_alloc): Ditto.
10704 (df_scan_dump): Ditto.
10705 (df_uses_record): Plumbed flag field properly thru calls.
10706 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10707 This part fixes PR24762.
10708 (df_bb_refs_record): Added code to make the frame and arg
10709 pointers live in EH blocks.
10710 (df_refs_record): Added call to df_record_entry_block_defs.
10711 (df_record_entry_block_defs): New function.
10712 * df-core.c: Added comments to describe new artifical defs.
10713 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10714 (entry_block_defs): New field in struct df.
10715 (df_all_hard_regs): Deleted.
10716 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10717 * df-problems.c (df_ru_bb_local_compute_process_def):
10718 Added code to handle artifical defs in the entry to a function.
10719 (df_ru_bb_local_compute): Ditto.
10720 (df_rd_bb_local_compute_process_def): Ditto.
10721 (df_rd_bb_local_compute): Ditto.
10722 (df_lr_bb_local_compute): Ditto.
10723 (df_ur_bb_local_compute): Ditto.
10724 (df_urec_bb_local_compute): Ditto.
10725 (df_chain_create_bb): Ditto.
10726 (df_ur_local_finalize): Removed entry.
10727 (df_urec_init): Ditto.
10728 (df_urec_local_finalize): Ditto.
10729 (df_ri_bb_compute): Added detection of last use of pseudos.
10730 * Makefile.in (df-scan.o): Updated dependencies.
10731 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10732 * config/mips/mips.c (mips_set_live_on_entry): Added.
10733 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10735 * dce.c (marked_insn_p): Added code to handle artifical defs.
10737 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10739 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10741 (_mm_cvtsi128_si64): Likewise.
10742 (_mm_cvtsd_si64): Likewise.
10743 (_mm_cvttsd_si64): Likewise.
10744 (_mm_cvtsi64_sd): Likewise.
10745 (_mm_cvtsi64_si128): Likewise.
10746 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10747 (_mm_cvtsi64_m64): Likewise.
10748 (_m_to_int64): Likewise.
10749 (_mm_cvtm64_si64): Likewise.
10750 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10751 (_mm_cvttss_si64): Likewise.
10752 (_mm_cvtsi64_ss): Likewise.
10753 (_mm_cvtss_f32): Likewise.
10755 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10757 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10758 for pragma redefine_extname.
10760 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10763 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10764 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10765 -mno-minimal-toc to previous content.
10766 (bispecs): Remove goal.
10767 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10768 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10769 compatibility aliases on powerpc-*-*gnu*.
10770 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10771 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10772 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10773 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10774 (ldblspecs): New goal.
10775 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10776 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10778 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10779 L_sf_to_tf or L_df_to_tf is defined.
10781 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10782 Alan Modra <amodra@bigpond.net.au>
10785 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10786 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10787 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10788 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10789 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10790 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10791 (rs6000_override_options): Initialize rs6000_ieeequad.
10792 Initialize TFmode format to ibm_extended_format if not
10794 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10796 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10797 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10798 (function_arg_advance): IBM long double passed in two FPRs, not
10800 (function_arg): IBM long double passed in FPRs.
10801 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10802 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10803 Only multireg GPR aligned.
10804 (rs6000_init_libfuncs): Enable IBM long double functions if not
10806 (rs6000_generate_compare): Use IBM long double compare if not
10808 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10809 (TARGET_IEEEQUAD): Define.
10810 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10811 not TARGET_IEEEQUAD.
10812 * config/rs6000/rs6000.md: Enable TFmode patterns if
10814 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10815 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10816 and -mlong-double-128 are incompatible.
10817 * doc/invoke.texi (-mabi): Collect options together. Add
10818 ibmlongdouble and ieeelongdouble.
10820 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10822 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10824 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10825 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10826 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10827 * rtl.h (rtunion_def): Remove rt_ptr.
10829 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10830 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10831 * config/i386/winnt.c (i386_pe_mark_dllexport)
10832 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10834 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10836 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10838 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10842 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10843 pthread_key_delete. From John David Anglin. gthrw-ify
10844 pthread_getunique_np only if it it's not a macro. Delete
10846 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10847 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10848 __gthread_objc_condition_signal, __gthread_key_delete): Add
10849 "__attribute__ ((__unused__))" to unused arguments.
10850 (__gthread_recursive_mutex_init_function): Add missing return.
10851 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10852 gthr-posix95.h: Use macro-based approach for name redirection
10853 on targets missing weakref.
10855 2006-01-26 Zack Weinberg <zackw@panix.com>
10857 * genconditions.c (write_header): In generated code, #ifdef out
10858 all includes and fake declarations, except includes of bconfig.h
10859 and system.h, unless GCC_VERSION >= 3001. Do not include
10860 gensupport.h in any case.
10861 (write_conditions): Generate a definition of struct c_test. Add
10862 a comment to the generated #endif.
10863 (write_one_condition): Escape backslashes in string too.
10864 (write_writer): Generated code must escape backslashes and quote
10865 marks (but not newlines) in the strings it writes.
10866 * Makefile.in (build/gencondmd.o): Update dependencies.
10868 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10871 * Makefile.in (insn-automata.o): Add header file dependencies.
10872 * genautomata.c: Add includes.
10874 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10877 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10879 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10881 * configure.ac: Expect target tools paths to be passed from the toplevel
10882 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10884 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10886 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10889 * c.opt (Wpointer-sign): Init to -1.
10890 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10891 OPT_pedantic, to 0 otherwise.
10892 * doc/invoke.texi: Update.
10894 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10896 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10897 constants provided by 80387 instructions in the destination mode.
10899 2006-01-26 Richard Guenther <rguenther@suse.de>
10900 Andrew Pinski <pinskia@physics.uc.edu>
10903 partial PR tree-opt/17064
10904 * tree-ssa-structalias.c (intra_create_variable_infos):
10905 Create heap variables for incoming parameters if
10906 flag_argument_noalias > 1.
10907 (find_what_p_points_to): Look through default defs of
10910 2006-01-26 Jeff Law <law@redhat.com>
10913 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10914 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10915 within the VR_RANGE, use the VR_RANGE as the result, not the
10917 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10918 bounds for the type.
10920 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10922 * tree-ssa-alias.c (maybe_create_global_var): Change
10923 subvar walking to an assertion that we don't have subvar'd variables.
10925 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10928 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10929 Use a new variable, inner. PARM_DECLs are always non-weak.
10931 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10933 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10934 --disable-checking.
10936 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10938 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10940 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10942 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10943 (smax_insn, smin_insn, smax_0, smin_0): New.
10945 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10948 * config/cris/cris.c (cris_order_for_addsi3): New function.
10949 * config/cris/cris-protos.h: Prototype it.
10950 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10951 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10952 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10953 (split for "op.S1 [rx=rx+i],ry (swapped)")
10954 (split for "op(s|u).S1 [rx=rx+i],ry")
10955 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10956 Apply cris_order_for_addsi3 when generating addsi3 insns.
10958 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10960 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10961 (TREE_BLOCK): Add call to EXPR_CHECK.
10963 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10966 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10967 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10968 (dump_omp_clauses): ... here.
10969 (dump_generic_node): Handle OMP_CLAUSE.
10970 * tree.c (omp_clause_num_ops): New.
10971 (omp_clause_code_name): New.
10972 (tree_code_size): Handle OMP_CLAUSE.
10973 (tree_size): Likewise.
10974 (make_node): Document handling of OMP_CLAUSE.
10975 (tree_node_structure): Handle OMP_CLAUSE.
10976 (omp_clause_check_failed): New.
10977 (omp_clause_range_check_failed): New.
10978 (omp_clause_operand_check_failed): New.
10979 (build_omp_clause): New.
10980 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10981 * tree.h (enum omp_clause_code): Declare.
10982 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10983 (OMP_CLAUSE_RANGE_CHECK): Define.
10984 (OMP_CLAUSE_ELT_CHECK): Define.
10985 (omp_clause_check_failed): Declare.
10986 (omp_clause_operand_check_failed): Declare.
10987 (omp_clause_range_check_failed): Declare.
10988 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10989 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10990 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10991 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10992 (OMP_CLAUSE_IF_EXPR): Likewise.
10993 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10994 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10995 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10996 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10997 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10998 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10999 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11000 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11001 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11002 (OMP_CLAUSE_CODE): Define.
11003 (OMP_CLAUSE_SET_CODE): Define.
11004 (OMP_CLAUSE_CODE): Define.
11005 (OMP_CLAUSE_OPERAND): Define.
11006 (struct tree_omp_clause): Declare.
11007 (union tree_node): Add field 'omp_clause'.
11008 * treestruct.def (TS_OMP_CLAUSE): Define.
11009 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11010 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11011 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11012 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11013 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11014 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11015 (OMP_CLAUSE): Define.
11016 * print-tree.c (print_node): Handle OMP_CLAUSE.
11017 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11018 * c-typeck.c: Likewise.
11019 * gimplify.c: Likewise.
11020 * c-omp.c: Likewise.
11021 * tree-nested.c: Likewise.
11022 * tree-inline.c: Likewise.
11023 * c-parser.c: Likewise.
11024 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11027 2006-01-25 Roger Sayle <roger@eyesopen.com>
11029 PR rtl-optimization/25703
11030 * combine.c (try_combine): Handle zero_extract and strict_low_part
11031 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11033 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11035 * global.c: Fix comment typos.
11037 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11040 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11041 Use output_addr_const instead of assemble_name.
11043 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11045 * Makefile.in (sched-vis.o): Update dependencies.
11046 * haifa-sched.c (sched_finish): Clear current_sched_info.
11047 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11048 (dump_flow_info): Call it.
11049 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11051 * basic-block.h (dump_bb_info): Declare.
11052 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11053 option, and apply options only for dump files whose TDF_RTL,
11054 TDF_TREE, or TDF_IPA bits match.
11055 * rtl.h: Declare new functions exported from sched-vis.c.
11056 * sched-vis.c: Enable also if scheduling is not used.
11057 (print_value): Print the mode of registers if not inside scheduling.
11058 (print_insn): Make it work outside the scheduler. Beautify the output
11060 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11062 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11064 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11065 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11066 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11067 depending on the value of CONSTANT_POOL_ADDRESS_P.
11068 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11070 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11071 rather than SYMBOL_REF_DECL.
11072 (rtx_constant_pool): Remove const_rtx_sym_htab.
11073 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11074 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11075 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11076 Remove handling of const_rtx_sym_htab.
11077 (find_pool_constant): Delete.
11078 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11079 rather than find_pool_constant.
11080 (get_pool_constant_for_function): Delete.
11081 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11082 find_pool_constant.
11083 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11084 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11085 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11086 (SYMBOL_REF_CONSTANT): New macro.
11087 (get_pool_constant_for_function): Delete.
11088 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11089 rather than SYMBOL_REF_DECL.
11090 (i386_pe_mark_dllimport): Likewise.
11091 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11092 rather than SYMBOL_REF_DECL.
11093 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11094 (machopic_indirect_call_target): Likewise.
11096 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11098 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11100 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11102 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11104 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11106 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11108 2006-01-24 David Daney <ddaney@avtrex.com>
11111 * configure.ac (enable_tls): New enable option.
11112 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11113 * configure: Regenerate.
11114 * doc/install.texi (--enable-tls): Document new option.
11115 (--disable-tls): Ditto.
11117 2006-01-24 Richard Henderson <rth@redehat.com>
11119 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11120 * alias.c (true_dependence): Respect it.
11121 (canon_true_dependence, write_dependence_p): Likewise.
11122 * builtins.c (get_builtin_sync_mem): Set it.
11124 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11126 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11129 2006-01-24 DJ Delorie <dj@redhat.com>
11131 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11132 for storing constants in single-bit bitfields.
11134 2006-01-25 Ben Elliston <bje@au.ibm.com>
11136 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11138 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11141 * tree-ssa-pre.c (phi_translate): Return NULL
11142 for AGGREGATE_TYPE's.
11144 2006-01-24 Zack Weinberg <zackw@panix.com>
11146 * genautomata.c (process_state_for_insn_equiv_partition):
11147 Use xcalloc for insn_arcs_array.
11148 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11149 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11151 2006-01-24 Richard Henderson <rth@redhat.com>
11153 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11154 update all callers.
11156 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11158 PR rtl-optimization/25890
11159 PR rtl-optimization/25905
11160 * combine.c (expand_compound_operation, expand_field_assignment):
11161 Fail if the bitfield's final position is out of bounds.
11163 2006-01-24 Ian Lance Taylor <ian@airs.com>
11165 PR middle-end/25930
11166 * cgraphunit.c (cgraph_output_in_order): Don't clear
11167 cgraph_asm_nodes until after asm strings have been output.
11169 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11171 * fix-header.c (read_scan_file): Add new parameter imultilib when
11172 calling register_include_chains.
11174 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11176 * omp-low.c: Update documentation.
11178 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11179 Daniel Berlin <dberlin@dberlin.org>
11183 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11184 return from the function.
11186 2006-01-22 Zack Weinberg <zackw@panix.com>
11188 * rtl.def (match_code): Add second argument.
11189 * genpreds.c (write_extract_subexp): New function.
11190 (write_match_code): Add path argument. Use write_extract_subexp.
11191 (write_predicate_expr): Pass path to write_match_code.
11192 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11193 not perform a mode test.
11194 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11195 a subexpression does not constrain the top-level code set.
11196 * read-rtl.c (read_rtx_variadic): New function.
11197 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11198 * doc/md.texi: Document new notation.
11199 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11200 (cmpsi_operand): ... here, using new notation.
11202 2006-01-22 Zack Weinberg <zackw@panix.com>
11204 * varray.c: Remove GENERATOR_FILE #ifdefs.
11206 2006-01-22 Zack Weinberg <zackw@panix.com>
11208 * genautomata.c (output_reserved_units_table): Emit nothing if
11209 description->query_units_num is zero. Remove extra blank line.
11210 (output_cpu_unit_reservation_p): Short circuit
11211 if description->query_units_num is zero.
11213 2006-01-22 Zack Weinberg <zackw@panix.com>
11215 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11216 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11217 nor any of the random handful of variables that used to be necessary
11218 when this program was linked with rtlanal.o. Prune set of forward
11219 function declarations.
11220 (struct attr_desc): Remove static_p field.
11221 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11222 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11223 (attr_string): Do not read the character one past the length of
11225 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11226 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11227 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11228 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11229 (make_automaton_attrs): New.
11230 (main): Do not call into genautomata. Call local gen_bypass
11231 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11232 Remove special case for insn_alts.
11233 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11234 varray.h (leftover from previous change). Prune set of forward
11235 function declarations. Remove state_alts fields from all
11236 structures. Remove state_alts_table from struct automaton.
11237 Make everything except main static. Do not maintain num_dfa_decls.
11238 Do not maintain state_alts fields of various structures.
11239 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11240 (add_arc): Remove state_alts argument. All callers updated.
11241 (output_reserved_units_table): Emit #ifdef here...
11242 (output_tables): ...not here. Don't generate state_alts tables.
11243 (expand_automata): Don't generate attributes.
11244 (write_automata): Don't generate state_alts functions.
11245 (main): New function.
11246 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11247 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11248 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11249 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11250 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11251 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11252 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11253 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11255 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11256 * genattrtab.h: Delete file.
11257 * Makefile.in (OBJS-common): Add insn-automata.o.
11258 (insn-automata.o): New rule.
11259 (simple_generated_c): Add insn-automata.c.
11260 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11261 (genprogmd): Add automata.
11262 (build/genattrtab): Needs no extra objects nor libraries.
11263 (build/genautomata): Needs build/vec.o and -lm.
11265 2006-01-22 Zack Weinberg <zackw@panix.com>
11267 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11268 (output_dfa_max_issue_rate, locked_states_num): Delete.
11269 (struct automaton): Add locked_states field.
11270 (output_dead_lock_vect): Save number of locked states in
11271 automaton->locked_states. If it is zero, don't print anything.
11272 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11273 (output_internal_dead_lock_func): Only test the dead_lock_vect
11274 for automata that have locked states.
11275 (output_statistics): Always print the number of locked states for
11276 each automaton. Calculate total number of locked states here.
11277 (write_automata): Don't call output_dfa_max_issue_rate.
11278 * genattrtab.c: Define length_unit_log as a const variable.
11279 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11280 max_insn_queue_index const.
11281 * final.c (length_unit_log): Declare const.
11282 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11284 2006-01-22 Zack Weinberg <zackw@panix.com>
11286 * genautomata.c: Include vec.h, not varray.h.
11287 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11288 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11289 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11290 VEC_* macros operating on appropriately typed vectors, or to
11291 malloced arrays when the size is known in advance. Const-ify
11292 many char* variables and function arguments. No functional changes.
11293 * Makefile.in (build/varray.o): Delete rule.
11294 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11295 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11297 2006-01-22 Zack Weinberg <zackw@panix.com>
11299 * gensupport.c: Define get_insn_name and record_insn_name here.
11300 (read_md_rtx): Call record_insn_name as appropriate.
11301 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11302 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11303 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11305 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11306 (BUILD_VARRAY): Delete.
11307 (genprognormal): Rename genprogmd. Fold in all programs from
11308 genprognoprint; also attrtab.
11309 (build/genattrtab): Just mention genautomata.o and varray.o.
11310 Reorganize a bit, add comments to make the categories clearer.
11312 2006-01-22 Zack Weinberg <zackw@panix.com>
11314 * genconditions.c (condition_table, add_condition): Delete.
11315 (write_conditions): Don't emit n_insn_conditions nor
11316 insn_elision_unavailable. Issue the gcc version #ifdef here,
11317 inside the table, with no #else clause ...
11318 (write_header): ...not here.
11319 (write_writer): New function.
11320 (main): Don't initialize condition_table. Use add_c_test.
11322 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11323 files on the command line.
11324 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11325 Return -1 if there is no entry in the table, don't abort.
11326 (add_c_test, traverse_c_tests): New functions.
11327 * gensupport.h (insn_elision_unavailable, insn_conditions)
11328 (n_insn_conditions): Delete declarations.
11329 (add_c_test, traverse_c_tests): Declare.
11330 * read-rtl.c: Include gensupport.h.
11331 (read_conditions): New function.
11332 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11333 (read_rtx_1): If we get EOF when we were looking for an initial
11334 open paren, return 0. Call read_conditions when appropriate.
11335 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11336 dummy-conditions.o. Eliminate references to insn-conditions.o,
11337 or change them to build/gencondmd.o, as appropriate. Remove
11338 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11339 from $(simple_generated_c). For all files remaining in those
11340 two lists, add insn-conditions.md to the generator command line.
11341 Give insn-constants.h/s-constants their own rules. Add rules
11342 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11343 (build/read-rtl.o): Depend on gensupport.h.
11344 (genprognormal): Include preds.
11345 (genprogearly): Rename genprognoprint; only difference is now that
11346 they don't link with $(BUILD_PRINT).
11347 * dummy-conditions.c: Delete.
11349 2006-01-22 Zack Weinberg <zackw@panix.com>
11351 * genextract.c: Don't include insn-config.h. Do include vec.h.
11352 Declare vectors of int, char, and locstr.
11353 (locstr): New typedef.
11354 (struct extraction): Make all array fields into bare pointers.
11355 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11356 (insn_code_number): Delete.
11357 (accum_extract): New struct.
11358 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11359 (gen_insn): Take insn_code_number as an argument. Use an
11360 accum_extract structure instead of loading data directly into
11361 a struct extraction, and having to know how big it might get.
11362 (walk_rtx): Operate entirely on an accum_extract structure.
11363 (print_path): Avoid unnecessary use of printf.
11364 (print_header): New function, split out of main. Distinguish
11365 more carefully between an unrecognizable insn and an insn that
11366 has the code number of a define_expand.
11367 (main): Pass insn_code_number to gen_insn. Call print_header
11368 only after parsing. Avoid unnecessary use of printf.
11369 * Makefile.in (build/vec.o): New rule.
11370 (build/genextract): Depend on build/vec.o.
11371 (build/genextract.o): Don't depend on insn-config.h.
11373 2006-01-22 Zack Weinberg <zackw@panix.com>
11375 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11376 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11377 practical. Eliminate per-generator-program link rules.
11379 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11381 PR middle-end/24437
11382 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11383 with a call expr to ...
11384 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11386 2006-01-23 Richard Guenther <rguenther@suse.de>
11388 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11389 before make_edge with conditional EDGE_TRUE_VALUE.
11391 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11392 Jan Hubicka <jh@suse.cz>
11393 Richard Guenther <rguenther@suse.de>
11395 PR rtl-optimization/25654
11396 * cfgexpand.c (aggregate_contains_union_type): New function.
11397 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11398 for structure variables that contain a union type.
11400 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11402 * gengtype.c (new_structure): Return the structure.
11403 (create_option): Add an extra "next" argument.
11404 (create_field): New function.
11405 (adjust_field_rtx_def): Use create_option and create_field.
11406 Remove a now-unnecessary call to find_structure.
11407 (adjust_field_tree_def): Likewise.
11408 (note_yacc_type): Remove an unnecessary call to find_structure.
11409 * gengtype.h (new_structure): Return the structure.
11410 (create_option): Add an extra argument.
11411 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11412 (option): Adjust calls to create_option.
11414 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11416 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11418 2006-01-22 Paul Brook <paul@codesourcery.com>
11419 Peter Barada <peter@the-baradas.com>
11421 * config/m68k/m68k.md: Add Coldfire FPU support.
11422 Define FP mode macro and associated attributes.
11423 Use it for float mode patterns.
11424 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11425 (LIBCALL_VALUE): Use m68k_libcall_value.
11426 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11427 (m68k_function_value): Ditto.
11428 (emit_move_sequence): Ditto.
11429 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11430 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11431 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11432 (MULTILIB_EXCEPTIONS): Ditto.
11433 * config/m68k/m68k.opt: Add mcfv4e.
11434 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11435 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11436 (m68k_output_function_prologue): Save ColdFire FPU registers.
11437 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11438 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11439 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11440 ColdFire FPU registers.
11441 (m68k_libcall_value, m68k_function_value): New functions.
11442 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11443 (LIBCALL_VALUE): Use m68k_libcall_value.
11444 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11445 (MASK_COLDFIRE): Add MASK_CFV4E.
11446 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11447 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11448 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11449 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11450 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11451 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11452 * doc/invoke.tex: Document -mcfv4e on m68k.
11454 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11456 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11459 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11462 * c-opts.c (c_common_handle_option): Don't include
11463 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11464 * doc/invoke.texi (C++ Dialect Options): Document that
11465 -Wnon-virtual-dtor is no longer included in -Wall.
11467 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11469 * gcov.c (print_version), gcov-dump.c (print_version),
11470 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11473 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11475 * df-scan.c (problem_SCAN): Added NULL reset function.
11476 (df_scan_reset_blocks): Added code to call reset block function
11477 (df_bb_refs_delete) Fixed comment.
11478 (df_insn_refs_delete): Made tolerant of deleting non existent info
11479 for dataflow problems that need to be reset.
11480 * df-core.c (df_set_blocks): Ditto.
11481 * df.h (struct df_problem): Added reset_fun.
11482 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11483 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11484 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11485 functions to clear out all references to def-use or use-def chains.
11487 2006-01-21 Ben Elliston <bje@au.ibm.com>
11489 * varasm.c (assemble_real): Initialise data array.
11491 2006-01-20 Paul Brook <paul@codesourcery.com>
11493 Merge from csl-arm-branch.
11494 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11495 * config/arm/arm.md (movdi): Force operands[1] to a register
11496 if we have a non-register source.
11497 (*arm_movdi, *movdf_soft_insn): Require that one of the
11498 operands be a register.
11499 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11500 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11502 2006-01-20 DJ Delorie <dj@redhat.com>
11504 * varasm.c (initializer_constant_valid_p): Allow pointers
11505 initialized from integer constants of lesser precision.
11506 (output_constant): Allow non-int-sized pointer modes to be
11507 initialized from integer constants.
11509 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11512 * cppdefault.h (struct default_include): Add multilib flag.
11513 * cppdefault.c (cpp_include_defaults): Set it.
11514 * c.opt (-imultilib): New option.
11515 * c-opts.c (imultilib): New.
11516 (c_common_handle_option): Handle -imultilib.
11517 (c_common_post_options): Likewise.
11518 * c-incpath.c (add_standard_paths, register_include_chains):
11520 * c-incpath.h (register_include_chains): Add extra parameter.
11521 * gcc.c (do_spec_1): Generate -imultilib option.
11522 (The Specs Language): Update %I description.
11523 (process_command): Update copyright notice.
11524 * doc/cppopts.texi (-imultilib): Document.
11525 * doc/invoke.texi (-imultilib): Include in option summary.
11526 (%I): Update specs documentation.
11528 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11530 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11532 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11534 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11537 2006-01-20 Richard Guenther <rguenther@suse.de>
11538 Steven Bosscher <stevenb.gcc@gmail.com>
11540 PR rtl-optimization/24626
11541 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11542 EDGE_TRUE_VALUE if in RTL mode.
11545 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11546 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11548 2006-01-20 Dirk Mueller <dmueller@suse.com>
11551 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11552 instead of a special NOP marker.
11553 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11554 NOP marker handling.
11555 * c-common.h (empty_body_warning): Add forward declaration.
11556 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11557 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11559 2006-01-20 Paul Brook <paul@codesourcery.com>
11561 * Makefile.in (lang_checks): Keep going if mkdir fails.
11563 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11565 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11566 be able to clean out basic block when not necessary.
11567 (df_scan_free): Fixed to properly delete information if df is
11568 unused before calling df_finish.
11569 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11570 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11572 (df_bb_refs_delete): New function.
11573 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11574 * df-core.c (df_set_blocks): Added code to properly clean out
11575 unused blocks if they are not part of the blocks to consider.
11576 Added additional null check.
11577 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11578 be able to clean out basic block when not necessary
11579 * df.h (df_free_bb_function): Ditto.
11580 (df_bb_refs_delete): New function.
11581 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11582 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11583 basic block parameter to be able to clean out basic block when not
11585 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11586 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11587 Fixed to properly delete information if df is unused before
11590 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11592 PR rtl-optimization/25799
11593 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11594 Corrected confluence operator to remove bits from op2 before oring
11595 with op1 rather than removing bits from op1.
11596 (df_ru_transfer_function): Corrected test on wrong bitmap which
11597 caused infinite loop. Both of these problems were introduced in
11598 the dataflow rewrite.
11600 2006-01-19 DJ Delorie <dj@redhat.com>
11602 * reload1.c (find_reload_regs): Note the details of reload
11603 failures in the dump file.
11604 (spill_failure): Likewise.
11606 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11608 * loop-iv.c: Include df.h and hashtab.h.
11609 (enum iv_grd_result): New enum.
11610 (DF_REF_IV, DF_REF_IV_SET): New macros.
11611 (struct biv_entry): New.
11612 (df, bivs): New global variables.
11613 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11614 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11616 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11617 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11618 analyzed_for_bivness_p, record_biv): New functions.
11619 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11620 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11621 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11623 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11625 (iv_number_of_iterations): Use new interface to iv analysis.
11626 * loop-unroll.c: Do not include varray.h.
11627 (analyze_iv_to_split_insn): Use new interface to iv
11629 * loop-unswitch.c (may_unswitch_on): Ditto.
11630 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11632 (df_bb_modify): Realloc tables to the new index.
11633 (df_find_use): New function.
11634 * df.h (df_find_use): Declare.
11635 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11637 * cfgloop.h (struct rtx_iv): Remove analysed field.
11638 (iv_get_reaching_def): Removed.
11639 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11640 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11641 (loop-iv.o): Add df.h and hashtab.h dependency.
11642 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11644 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11647 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11649 (__floatundisf, __floatundidf): Likewise.
11650 * libgcc2.h (IS_IBM_EXTENDED): Define.
11652 2006-01-19 DJ Delorie <dj@redhat.com>
11654 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11656 2006-01-19 Paul Brook <paul@codesourcery.com>
11658 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11659 as nothrow when unwinding tables are disabled.
11661 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11664 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11665 of bit-field" when in system header.
11667 2006-01-19 DJ Delorie <dj@redhat.com>
11669 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11670 the 16 bit shift limit of the m16c.
11672 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11675 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11676 * config/i386/i386.c (output_set_got): Output the label if we have one
11677 for the TARGET_DEEP_BRANCH_PREDICTION case.
11679 2006-01-19 Jan Hubicka <jh@suse.cz>
11680 H.J. Lu <hongjiu.lu@intel.com>
11681 Evandro Menezes <evandro.menezes@amd.com>
11683 * invoke.texi (generic): Document
11685 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11686 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11687 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11688 (x86_use_incdec, x86_pad_returns): New variables
11689 (TARGET_CPU_DEFAULT_generic): New constant
11690 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11691 (enum processor_type): Add generic32 and generic64.
11692 * i386.md (cpu attribute): Add generic32/generic64
11693 (movhi splitter): Behave sanely when both partial_reg_dependency and
11694 partial_reg_stall are set.
11695 (K8 splitters): Enable for generic as well.
11696 * predicates.md (incdec_operand): Use TARGET_INCDEC
11697 (aligned_operand): Avoid memory mismatch stalls.
11698 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11699 * ppro.md: Enable for generic32
11700 * i386.c (generic64_cost, generic32_cost): New.
11701 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11702 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11703 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11704 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11705 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11706 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11707 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11708 x86_accumulate_outgoing_args, x86_prologue_using_move,
11709 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11710 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11711 Enable for generic.
11712 (x86_use_incdec, x86_pad_returns): New.
11713 (override_options): Add generic32 and generic64, translate "generic"
11714 to generic32/generic64 and "i686" to "generic32", refuse
11715 "generic32"/"generic64" as arch target.
11716 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11717 (ix86_reorg): Honor PAD_RETURNS.
11719 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11721 * tree-pretty-print.c (dump_generic_node): Handle
11722 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11723 * cgraph.c (cgraph_expand_queue): Rename from
11724 cgraph_analyze_queue. Update all users.
11725 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11726 cgraph_expand_queue.
11727 (cgraph_expand_all_functions): Likewise.
11728 (cgraph_finalize_pending_functions): Remove. Update callers.
11730 * tree.h (OMP_DIRECTIVE_P): Define.
11731 (OMP_PARALLEL_FN): Define.
11732 (OMP_PARALLEL_DATA_ARG): Define.
11733 (OMP_SECTIONS_SECTIONS): Define.
11734 * tree-pass.h (pass_expand_omp): Declare.
11735 * omp-low.c (struct omp_region): Declare.
11736 (struct omp_context): Remove fields 'parallel_type',
11737 'parallel_start_ix' and 'parallel_start_additional_args'.
11739 (struct omp_for_data): Rename from struct expand_omp_for_data.
11740 (omp_regions): New static variable.
11741 (root_omp_region): New static variable.
11742 (find_omp_clause): Make static.
11743 (is_in_combined_parallel_ctx): Remove.
11744 (is_combined_parallel): New.
11745 (extract_omp_for_data): Move earlier in the file.
11746 (workshare_safe_to_combine_p): New.
11747 (get_ws_args_for): New.
11748 (determine_parallel_type): Move earlier in the file.
11749 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11751 (omp_copy_decl): Likewise.
11752 (create_omp_child_function): Likewise.
11753 (lookup_omp_region): New.
11754 (dump_omp_region): New.
11755 (debug_omp_region): New.
11756 (debug_all_omp_regions): New.
11757 (new_omp_region): New.
11758 (scan_omp_parallel): If parallel_nesting_level > 1, the
11759 directive is nested within another parallel directive.
11760 Set OMP_PARALLEL_FN.
11761 (scan_omp_for): Do not try to handle combined parallel+for
11763 Remove FIXME comment.
11764 (scan_omp_nested): Remove.
11765 (scan_omp_1): Do not call scan_omp_nested when
11766 parallel_nesting_level is > 1.
11767 Do not change the DECL_CONTEXT of local variables found.
11768 (lookup_decl_in_outer_ctx): New.
11769 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11770 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11771 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11772 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11773 If CTX is nested, lookup VAR in the outer context when
11774 building copy assignment.
11775 (lower_send_clauses): Rename from expand_send_clauses.
11776 If CTX is nested, lookup VAR in the outer context when
11777 building copy assignments.
11778 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11779 If CTX is nested, lookup VAR in the outer context when
11780 building copy assignments.
11781 (expand_parallel_call): Rename from build_parallel_call.
11782 Handle combined parallel+workshare cases.
11783 Re-implement to emit code into the CFG.
11785 (expand_omp_parallel): Re-implement to emit code into the CFG.
11786 Call move_sese_region_to_fn to outline the sub-graph
11787 containing the parallel region.
11788 (expand_omp_for_1): Remove.
11789 (expand_omp_for_generic): Re-implement to emit code into the
11791 (expand_omp_for_static_nochunk): Likewise.
11792 (expand_omp_for_static_chunk): Likewise.
11793 (expand_omp_for): Likewise.
11794 (expand_omp_sections): Likewise.
11795 (remove_exit_barriers): New.
11796 (expand_omp_synch): New.
11798 (build_omp_regions_1): New.
11799 (build_omp_regions): New.
11800 (execute_expand_omp): New.
11801 (gate_expand_omp): New.
11802 (pass_expand_omp): Define.
11803 (lower_omp_sections): Rename from expand_omp_sections.
11804 Set OMP_SECTIONS_SECTIONS.
11805 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11806 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11807 (lower_omp_single): Rename from expand_omp_simple.
11808 (lower_omp_master): Rename from expand_omp_master.
11809 (lower_omp_ordered): Rename from expand_omp_ordered.
11810 (lower_omp_critical): Rename from expand_omp_critical.
11811 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11812 (lower_omp_for): Re-implement.
11813 (lower_omp_parallel): Re-implement.
11814 (lower_regimplify): Rename from expand_regimplify.
11815 (lower_omp_1): Rename from expand_omp_1.
11816 If there are syntax errors in the program, replace every
11817 OpenMP directive with NOP.
11818 Call lower_omp_* instead of expand_omp_*.
11819 (lower_omp): Rename from expand_omp.
11821 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11822 * tree-gimple.h (enum omp_parallel_type): Remove.
11823 (gimple_boolify): Declare extern.
11824 (find_omp_clause, determine_parallel_type): Remove.
11826 * gimple-low.c (lower_omp_directive): New.
11827 (lower_stmt): Call it.
11828 (record_vars_into): Move from ...
11829 (record_vars): ... here.
11830 Call record_vars_into with current_function_decl.
11832 * gimplify.c (struct gimplify_ctx): Remove fields
11833 combined_pre_p and combined_ctxp. Update users.
11834 (get_formal_tmp_var): Add documentation.
11835 (gimple_boolify): Make extern.
11836 (gimplify_expr_in_ctx): Remove. Update callers.
11837 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11838 will always be a BIND_EXPR.
11839 (gimplify_expr): Handle OMP_RETURN_EXPR.
11840 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11841 (OMP_PARALLEL): Add 3 operands.
11842 (OMP_SECTIONS): Add 1 operand.
11843 (OMP_RETURN_EXPR): Define.
11845 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11846 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11847 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11848 creating a circular free list.
11849 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11851 * tree-flow.h (move_sese_region_to_fn): Declare.
11852 (record_vars_into): Declare.
11853 * tree-cfg.c (make_omp_sections_edges): New.
11854 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11855 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11856 OMP_SECTIONS and OMP_SECTION.
11857 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11858 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11859 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11860 (gather_blocks_in_sese_region): New.
11861 (struct move_stmt_d): Declare.
11862 (move_stmt_r): New.
11863 (move_block_to_fn): New.
11864 (move_sese_region_to_fn): New.
11866 * passes.c (init_optimization_passes): Schedule
11867 pass_expand_omp after pass_init_datastructures.
11869 * tree-ssa-operands.c (get_expr_operands): Handle
11870 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11871 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11873 2006-01-19 Jeff Law <law@redhat.com>
11875 * tree-vrp.c (extract_range_from_assert): Refine the result range
11876 if the variable referenced by the ASSERT_EXPR has a range and
11877 either the tentative result range or the previous range is a
11880 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11882 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11884 2006-01-19 Jan Hubicka <jh@suse.cz>
11886 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11888 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11890 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11891 (expand_compound_operation, expand_field_assignment): Fail if the
11892 bit lengths of an extract operation are out of range.
11893 (make_extraction): Compute wanted_inner_mode based on the position
11894 and length of the extraction. Make it extraction_mode for non-constant
11895 positions, and do not modify offset in that case. When generating a
11896 new MEM, use a mode that can hold the extraction while keeping correct
11897 alignment. Remove code that supported MEMs wrapped by USEs.
11898 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11900 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11902 * config/s390/s390.md ("Y", "y"): New mode attribute.
11903 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11904 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11905 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11906 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11907 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11908 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11909 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11910 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11911 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11912 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11913 "addsi3", "subsi3"): Insn patterns removed.
11914 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11915 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11916 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11917 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11918 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11919 "*sub<mode>3_cconly2"): New insn patterns.
11920 ("addsi3", "subsi3"): New expanders.
11922 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11924 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11925 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11926 existing STMT_VINFO_VECTYPE if available.
11927 (vect_mark_relevant): Add special handling for stmts that are
11928 marked as STMT_VINFO_IN_PATTERN_P.
11929 (vect_analyze_loop): Call vect_pattern_recog.
11930 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11931 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11933 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11934 (vect_recog_func_ptr): New function-pointer type.
11935 * tree-vect-patterns.c: New file.
11936 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11937 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11938 (vect_pattern_recog_1): New functions.
11939 (vect_pattern_recog_funcs): New array of function pointers.
11941 * tree-vectorizer.h (ternary_op): New enum value.
11942 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11943 declaration. Revised documentation. Removed redundant dump prints.
11944 Removed redundant argument. Added support for reduction patterns.
11945 (vectorizable_reduction): Added support for reduction patterns.
11946 (vect_transform_stmt): Added support for patterns.
11948 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11949 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11950 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11951 (expand_widen_pattern_expr): New function.
11952 (init_optabs): Initialize new optabs udot_prod_optab,
11954 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11955 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11956 (expand_widen_pattern_expr): New function declaration.
11957 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11959 * tree-inline.c (estimate_num_insns_1): Added cases for new
11960 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11961 * tree-pretty-print.c (dump_generic_node): Likewise.
11962 (op_prio): Likewise.
11963 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11964 * tree-ssa-operands.c (get_expr_operands): Added case for
11966 * tree-vect-patterns.c (widened_name_p): New function.
11967 (vect_recog_dot_prod_pattern): Added function implementation.
11968 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11969 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11970 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11971 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11973 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11974 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11975 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11976 (init_optabs): Initialize new optabs widen_ssum_optab,
11978 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11979 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11980 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11981 use instead of type of def.
11982 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11983 function implementation.
11984 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11985 widen_ssumv8hi): New.
11987 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11990 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11993 * c-decl.c (add_flexible_array_elts_to_size): New function.
11994 (finish_decl): Use it.
11996 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11998 * diagnostic.h: Include options.h.
11999 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12000 dependancies for diagnostic.h.
12001 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12003 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12005 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12006 (ssa_ro_call_cache_valid): Ditto.
12007 * tree-ssa-alias.c (sort_tags_by_id): New function.
12008 (init_transitive_clobber_worklist): Ditto.
12009 (add_to_worklist): Ditto.
12010 (mark_aliases_call_clobbered): Ditto.
12011 (compute_tag_properties): Ditto.
12012 (set_initial_properties): Ditto.
12013 (compute_call_clobbered): Ditto.
12014 (compute_may_aliases): Call compute_call_clobbered and grouping.
12015 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12016 (compute_flow_insensitive_aliasing): Grouping now happens in our
12018 (setup_pointers_and_addressables): Remove clobbering related code.
12019 (add_may_alias): Ditto.
12020 (replace_may_alias): Ditto.
12021 (get_nmt_for): Ditto.
12022 (create_global_var):
12023 (is_escape_site): Return an escape_type enumeration.
12024 * tree-flow-inline.h (is_call_clobbered): Global var does not
12025 imply call clobbered.
12026 (mark_call_clobbered): Take a reason for marking this. Remove
12027 marking of globalness, and cache invalidation.
12028 (clear_call_clobbered): Remove cache invalidation code.
12029 * tree-dfa.c (dump_variable): If details is on, dump the reason
12031 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12033 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12034 (struct var_ann_d): Ditto.
12035 (enum escape_type): New.
12036 (mark_call_clobbered): Adjust prototype.
12037 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12038 are never call clobbered.
12039 Record reasons for escaping.
12040 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12041 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12042 (ssa_ro_call_cache_valid): Ditto.
12043 (clobbered_v_may_defs): Ditto.
12044 (clobbered_vuses): Ditto.
12045 (ro_call_vuses): Ditto.
12046 (clobber_stats): New.
12047 (init_ssa_operands): Zero out clobber stats.
12048 (fini_ssa_operands): Print out clobber stats.
12049 (get_call_expr_operands): Pass callee fndecl to
12050 add_call_read_ops).
12051 (add_call_clobber_ops): Remove use of cache.
12052 Add use of PURE_CONST information.
12053 (add_call_read_ops): Remove use of cache.
12054 Add use of static not_read information.
12056 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12058 Introduce TLS descriptors for i386 and x86_64.
12059 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12060 (TARGET_ANY_GNU_TLS): New macro.
12061 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12062 (struct machine_function): Add tls_descriptor_call_expanded_p.
12063 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12064 (ix86_current_function_calls_tls_descriptor): Likewise.
12065 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12066 (override_options): Introduce gnu2 tls dialect.
12067 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12069 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12071 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12072 (ix86_init_machine_status): Initialize new field.
12073 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12074 (ix86_tls_module_base): New.
12075 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12076 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12077 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12078 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12079 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12080 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12081 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12082 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12083 * config/i386/predicates.md (tls_modbase_operand): New.
12084 (tp_or_register_operand): New.
12086 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12088 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12089 (look_for_address_of): Ditto.
12090 (ipa_init): Walk the function decls.
12091 (static_execute): Don't set readonly on FUNCTION_DECL's.
12093 2006-01-18 Roger Sayle <roger@eyesopen.com>
12095 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12096 for shifts where the source and destination registers are different.
12098 2006-01-18 Paul Brook <paul@codesourcery.com>
12100 Merge from csl-arm-branch.
12101 2005-03-14 Julian Brown <julian@codesourcery.com>
12102 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12103 (aeabi_llsl): Likewise.
12104 (ashrdi3): Likewise.
12105 (aeabi_lasr): Likewise.
12106 (lshrdi3): Likewise.
12107 (aeabi_llsr): Likewise.
12108 2005-03-10 Julian Brown <julian@codesourcery.com>
12109 * config.gcc: Disable shared libgcc for SymbianOS.
12110 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12112 2006-01-18 DJ Delorie <dj@redhat.com>
12114 * c-pragma.c (handle_pragma_diagnostic): New.
12115 (init_pragma): Register it.
12116 * doc/extend.texi: Document it.
12118 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12119 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12120 (diagnostic_context): Add classify_diagnostic[].
12121 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12122 as errors if they're overridden to DK_WARNING.
12123 (diagnostic_initialize): Initialize classify_diagnostic[].
12124 (diagnostic_set_kind_override): New.
12125 (diagnostic_report_diagnostic): Check for kind changes.
12126 * opts.c (common_handle_option): Take lang_mask. Update callers.
12127 Handle OPT_Werror_.
12128 * common.opt (Werror=): New.
12129 * doc/invoke.texi: Document -Werror=*
12131 2006-01-18 Jeff Law <law@redhat.com>
12133 * tree-vrp.c (test_for_singularity): Correct test for new
12134 min limit. Use operand_equal_p rather than pointer equality
12135 for testing if new min/max values are equal.
12137 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12138 using range information until after propagation and folding.
12140 2006-01-18 Richard Henderson <rth@redhat.com>
12141 Aldy Hernandez <aldyh@redhat.com>
12142 Jakub Jelinek <jakub@redhat.com>
12143 Diego Novillo <dnovillo@redhat.com>
12145 * omp-low.c: New file.
12146 * c-omp.c: New file.
12148 2006-01-18 Richard Henderson <rth@redhat.com>
12149 Jakub Jelinek <jakub@redhat.com>
12150 Diego Novillo <dnovillo@redhat.com>
12152 * doc/invoke.texi: Document -fopenmp.
12153 * tree-dump.h (debug_function): Declare.
12154 * hooks.c (hook_bool_tree_bool_false): New function.
12155 (hook_tree_tree_null): Remove.
12156 (hook_tree_tree_tree_null): New.
12157 * hooks.h: Update to match.
12158 * tree-pretty-print.c (debug_tree_chain): New.
12159 (print_generic_expr): Handle TDF_CHAIN.
12160 (dump_generic_node): Handle BLOCK.
12161 Do not abort with incomplete SWITCH_EXPRs.
12162 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12163 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12164 print space after directive name.
12165 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12166 Handle OMP_MASTER and OMP_ORDERED.
12167 Handle printing of OMP_BODY just in one place, goto
12168 dump_omp_body in the rest of OMP_* nodes that have
12170 Don't handle clause nodes here. Update omp statements to
12171 use dump_omp_clauses.
12172 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12173 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12174 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12175 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12176 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12177 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12178 Adjust output for GOMP_PARALLEL.
12179 (dump_omp_clauses): New.
12180 (print_declaration): Dump DECL_VALUE_EXPR.
12181 (op_symbol_1): Split out of op_symbol.
12182 (dumping_stmts): Remove. Update all users.
12183 * cgraph.c (cgraph_analyze_queue): New.
12184 (cgraph_add_new_function): New.
12185 * cgraph.h (cgraph_analyze_queue): Declare.
12186 (cgraph_add_new_function): Declare.
12187 (cgraph_lower_function): Remove.
12188 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12189 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12190 and TYPE_P nodes in its default clause.
12191 (empty_body_p): New.
12192 (tree_range_check_failed): New.
12193 (build5_stat): New.
12194 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12195 OMP_CLAUSE_REDUCTION_MERGE,
12196 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12197 OMP_CLAUSE_PRIVATE_DEBUG,
12198 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12199 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12200 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12201 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12202 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12203 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12204 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12205 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12206 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12207 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12208 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12209 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12210 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12211 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12212 (TREE_RANGE_CHECK): New.
12213 (empty_body_p): Declare.
12214 (enum omp_clause_default_kind): New.
12215 (build_string_literal): Declare.
12216 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12217 (build5_stat, build5): Declare.
12218 * tree-pass.h (TDF_CHAIN): Define.
12219 * tree-pass.h (PROP_gimple_lomp): Define.
12220 (pass_lower_omp): Declare.
12221 * diagnostic.h (debug_tree_chain): Declare.
12222 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12224 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12225 * builtins.c (build_string_literal): Make extern.
12226 * gcc.c (include_spec_function): New.
12227 (static_spec_functions): Add it.
12228 (main): Move load of libgomp.spec ...
12229 (LINK_COMMAND_SPEC): ... here.
12230 (link_gomp_spec): New.
12231 (static_specs): Include it.
12232 (LINK_COMMAND_SPEC): Add link_gomp.
12233 (GOMP_SELF_SPECS): New.
12234 (driver_self_specs): Include it.
12235 (switch_matches): Don't mark inline.
12236 (main): Load libgomp.spec.
12237 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12238 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12239 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12240 * tree-gimple.h (enum omp_parallel): Declare.
12241 (determine_parallel_type): Declare.
12242 (omp_firstprivatize_variable): Declare.
12243 (omp_reduction_init): Declare.
12244 (diagnose_omp_structured_block_errors): Declare.
12245 (struct walk_stmt_info): Add want_return_expr.
12246 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12247 (find_omp_clause): Declare.
12248 (insert_field_into_struct): Declare.
12249 (struct walk_stmt_info): Move from tree-nested.c
12250 (walk_stmts): Declare.
12251 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12253 * cgraphunit.c (cgraph_lower_function): Make static.
12254 (cgraph_finalize_pending_functions): New.
12255 (cgraph_finalize_function): Call it.
12256 (cgraph_finalize_compilation_unit): Likewise.
12257 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12258 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12259 (BT_FN_UINT_UINT): New.
12260 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12261 DEF_FUNCTION_TYPE_VAR_4): Document.
12262 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12263 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12264 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12265 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12266 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12267 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12268 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12269 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12270 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12271 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12272 into separate files.
12273 (DEF_GOMP_BUILTIN): New.
12274 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12275 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12276 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12277 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12278 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12279 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12280 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12281 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12282 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12283 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12284 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12285 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12286 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12287 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12288 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12289 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12290 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12291 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12292 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12293 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12294 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12295 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12296 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12297 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12298 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12299 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12300 * sync-builtins.def: New file, moved from builtins.def.
12301 * omp-builtins.def: New file, moved from builtins.def.
12302 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12303 * gimple-low.c (lower_function_body): Clear data.
12304 (lower_stmt): Do not handle COMPOUND_EXPR.
12305 Remove call to print_node_brief.
12306 * c-tree.h (c_finish_omp_clauses): New prototype.
12307 (C_DECL_THREADPRIVATE_P): Define.
12308 (lookup_name_no_remap, c_omp_remap_private): Remove
12309 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12310 (check_for_loop_decls): Update decl.
12311 (lookup_name_no_remap, c_omp_remap_private): Declare.
12312 (build_indirect_ref, build_modify_expr, pushdecl,
12313 pushdecl_top_level): Move to c-common.h.
12314 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12315 before the switch, but just in the 2 places that need it.
12316 * c-decl.c (diagnose_mismatched_decls): Do not check for
12317 mismatched thread-local attributes when OLDDECL is marked
12318 threadprivate and NEWDECL has no thread-local attributes.
12319 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12320 (c_gimple_diagnostics_recursively): Rename from
12321 c_warn_unused_result_recursively. Invoke
12322 diagnose_omp_structured_block_errors.
12323 (check_for_loop_decls): Return a singular decl found.
12324 * langhooks.c (lhd_omp_predetermined_sharing): Return
12325 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12326 (lhd_omp_firstprivatize_type_sizes): New.
12327 (lhd_omp_assignment): New.
12328 (lhd_omp_predetermined_sharing): New.
12329 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12330 (struct lang_hooks_for_types): Add
12331 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12332 omp_predetermined_sharing, omp_disregard_value_expr,
12333 omp_private_debug_clause, omp_clause_default_ctor,
12334 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12335 (c_finish_omp_clauses): New.
12336 (c_finish_bc_stmt): Diagnose break within omp for.
12337 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12338 (build_unary_op): Return error_mark after reporting
12340 (build_modify_expr): Likewise.
12341 * gimplify.c: Include optabs.h and pointer-set.h.
12342 (enum gimplify_omp_var_data): Declare.
12343 (struct gimplify_omp_ctx): Declare.
12344 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12346 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12347 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12348 (splay_tree_compare_decl_uid): New.
12349 (new_omp_context): New.
12350 (delete_omp_context): New.
12351 (gimple_add_tmp_var): Call omp_add_variable.
12352 (gimplify_bind_expr): Likewise.
12353 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12354 true, disregard DECL_VALUE_EXPR on the decl if any.
12355 (gimplify_expr_in_ctx): New.
12356 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12357 omp_add_variable, omp_notice_variable, omp_is_private
12358 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12359 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12360 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12361 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12362 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12363 gimplify_omp_atomic): New.
12364 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12365 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12366 OMP_CRITICAL and OMP_ATOMIC.
12367 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12368 * c-pragma.h (enum pragma_kind): Add
12369 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12370 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12371 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12372 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12373 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12374 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12375 PRAGMA_OMP_THREADPRIVATE.
12376 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12377 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12378 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12379 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12380 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12381 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12382 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12383 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12384 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12385 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12386 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12387 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12388 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12390 (struct nesting_info): Add field_map,
12391 suppress_expansion, debug_var_chain.
12392 (create_nesting_tree): Initialize them.
12393 (lookup_field_for_decl): Use field_map.
12394 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12395 (convert_local_omp_clauses): New.
12396 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12397 (walk_body): Split out of walk_function.
12398 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12399 (convert_nonlocal_reference): Handle omp statements.
12400 (convert_local_reference): Likewise.
12401 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12402 (unnest_nesting_tree): New.
12403 (lower_nested_functions): Call it.
12404 (insert_field_into_struct): Make extern.
12405 (struct walk_stmt_info): Move to tree-gimple.h.
12406 (walk_stmts): Make extern.
12407 * omp-builtins.def: New file.
12408 * tree-iterator.c (expr_only): Clarify comment.
12409 * c-common.h (pushdecl_top_level, pushdecl,
12410 build_modify_expr, build_indirect_ref,
12411 c_finish_omp_master, c_finish_omp_critical,
12412 c_finish_omp_ordered, c_finish_omp_barrier,
12413 c_finish_omp_atomic, c_finish_omp_flush,
12414 c_finish_omp_for, c_split_parallel_clauses,
12415 omp_clause_default_kind, c_omp_sharing_predetermined,
12416 c_omp_remap_decl): Declare.
12417 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12418 (OBJS-common): Add omp-low.o.
12419 (c-omp.o, omp-low.o): Add.
12420 (gimplify.o): Add dependency on $(OPTABS_H).
12421 (GTFILES): Add omp-low.c.
12422 (gt-stringpool.h): Add.
12423 * tree-cfg.c (set_bb_for_stmt): Do not update the
12424 block-to-labels map if we are currently expanding to RTL.
12425 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12427 Handle IDENTIFIER_NODE.
12428 (tree_verify_flow_info): Do not ICE when emitting error
12429 messages about invalid labels.
12430 (dump_function_to_file): Reset CFUN before emitting the body
12432 (debug_function): New.
12433 * passes.c (init_optimization_passes): Schedule
12435 * langhooks-def.h (lhd_omp_predetermined_sharing,
12436 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12438 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12439 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12440 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12441 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12442 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12443 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12444 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12445 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12446 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12447 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12448 (LANG_HOOK_DECLS): Use them.
12450 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12451 Richard Henderson <rth@redhat.com>
12452 Jakub Jelinek <jakub@redhat.com>
12453 Diego Novillo <dnovillo@redhat.com>
12455 * c-parser.c (pragma_omp_clause): Define.
12456 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12457 (c_parser_compound_statement): Likewise.
12458 (c_parser_statement): Likewise.
12459 (c_parser_pragma): Handle omp pragmas.
12460 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12461 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12462 (c_parser_omp_clause_name, check_no_duplicate_clause,
12463 c_parser_omp_variable_list,
12464 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12465 c_parser_omp_clause_copyprivate,
12466 c_parser_omp_clause_default,
12467 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12468 c_parser_omp_clause_lastprivate,
12469 c_parser_omp_clause_nowait,
12470 c_parser_omp_clause_num_threads,
12471 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12472 c_parser_omp_clause_reduction,
12473 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12474 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12475 c_parser_omp_atomic, c_parser_omp_barrier,
12476 c_parser_omp_critical, c_parser_omp_flush,
12477 c_parser_omp_for_loop, c_parser_omp_for,
12478 c_parser_omp_master, c_parser_omp_ordered,
12479 c_parser_omp_sections_scope, c_parser_omp_sections,
12480 c_parser_omp_parallel, c_parser_omp_single,
12481 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12482 * c-pragma.c (init_pragma): Do omp pragma registration here.
12483 * c.opt (fopenmp): New flag.
12485 2006-01-18 Eric Christopher <echristo@apple.com>
12487 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12488 * config/darwin.h (GOMP_SELF_SPECS): Define.
12490 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12492 * rtl.h: Remove the prototype for reg_alloc.
12494 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12497 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12498 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12499 sjlj and dwarf2 exception handling.
12500 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12501 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12502 * pa/pa.c (function_value): Treat complex and vector types as
12504 (function_arg): Likewise. Only pass scalar floats in the floating
12505 point argument registers.
12506 * pa/t-slibgcc-dwarf-ver: New file.
12507 * pa/t-slibgcc-sjlj-ver: New file.
12508 * pa/t-slibgcc-elf-ver: Delete file.
12510 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12512 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12513 unlikely_test_section_p test.
12515 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12517 * mode-switching.c (optimize_mode_switching): Make it static.
12518 * basic-block.h: Remove the prototype for
12519 optimize_mode_switching.
12521 * modulo-sched.c (sms_schedule): Make it static.
12522 * rtl.h: Remove the prototype for sms_schedule.
12524 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12525 * rtl.h: Remove the prototype for gcse_after_reload_main.
12527 * reg-stack.c (reg_to_stack): Make it static.
12528 * rtl.h: Remove the prototype for reg_to_stack.
12530 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12532 * rtl.h: Remove the prototypes for regrename_optimize and
12533 copyprop_hardreg_forward.
12535 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12537 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12538 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12539 Test against the appropriate null constant for the mode.
12540 If 'fixup_overlap' is true, swap the operands if they overlap.
12541 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12542 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12543 alpha_split_tmode_pair and adjust for above change.
12544 * config/alpha/alpha.md (movtf_internal): Adjust call to
12545 alpha_split_tfmode_pair and rely on it to swap the operands.
12546 (movti_internal): New insn and post-reload splitter.
12547 (movti): New expander.
12549 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12551 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12554 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12556 * rtlanal.c (global_reg_mentioned_p_1,
12557 global_reg_mentioned_p): Remove.
12558 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12560 * flow.c (initialize_uninitialized_subregs): Make it static.
12561 * rtl.h: Remove the prototype for
12562 initialize_uninitialized_subregs.
12564 * function.c (instantiate_virtual_regs): Make it static.
12565 * function.h: Remove the prototype for
12566 instantiate_virtual_regs.
12568 * regmove.c (regmove_optimize, combine_stack_adjustments):
12570 * rtl.h: Remove the prototypes for regmove_optimize and
12571 combine_stack_adjustments.
12573 2006-01-17 Roger Sayle <roger@eyesopen.com>
12575 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12576 (size_cost): Encode costs in bytes so that a reg-reg addition is
12577 equivalent to COSTS_N_INSNS(1).
12578 (override_options): Use the size_cost.branch_cost as the default
12579 ix86_branch_cost when optimizing for size.
12581 2006-01-18 Ben Elliston <bje@au.ibm.com>
12583 * Makefile.in (D32PBIT_FUNCS): New.
12584 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12585 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12586 D64PBIT_FUNCS and D128PBIT_FUNCS.
12587 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12588 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12590 (decnumber_dep): Define.
12591 * doc/libgcc.texi (Decimal float library routines): New node.
12592 * config/dfp-bit.h, config/dfp-bit.c: New files.
12594 2006-01-18 Ben Elliston <bje@au.ibm.com>
12596 * expr.c (emit_move_change_mode): Always adjust addresses, not
12597 just during reload. Copy replacements only during reload.
12598 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12599 emit_move_via_integer.
12601 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12603 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12604 instead of $(srcdir) and ${srcdir}.
12606 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12609 PR middle-end/11135
12610 * arm.h (struct machine_function): Add pic_reg.
12611 * arm.c (arm_pic_register): Make unsigned.
12612 (arm_override_options): Only set arm_pic_register if
12613 TARGET_SINGLE_PIC_BASE.
12614 (use_return_insn): Only test for a pic register if it is fixed.
12615 (arm_compute_save_reg0_reg12_mask): Likewise.
12616 (thumb_compute_save_reg_mask): Likewise.
12617 (legitimate_pic_operand): Factor out some known invariants.
12618 (legitimize_pic_address): If we don't have a fixed pic register,
12619 then set up a pseudo in the function entry sequence. Handle the
12620 pic base being in a pseudo.
12621 (arm_load_pic_register): Handle the pic register being in a pseudo.
12622 (arm_expand_prologue): Only set up the pic register if it is fixed.
12623 (thumb_expand_prologue): Likewise.
12624 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12625 (pic_load_addr_based_insn): Likewise.
12626 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12629 2006-01-18 Ben Elliston <bje@au.ibm.com>
12631 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12632 decimal float modes for all floating point registers.
12634 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12635 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12637 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12640 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12641 even when the pointer is not NULL.
12643 2006-01-16 Ian Lance Taylor <ian@airs.com>
12645 * common.opt (ftoplevel-reorder): New option.
12646 * cgraph.c (cgraph_asm_nodes): New global variable.
12647 (cgraph_asm_last_node): New static variable.
12648 (cgraph_order): New global variable.
12649 (cgraph_create_node): Set new order field.
12650 (cgraph_varpool_node): Likewise.
12651 (decide_is_variable_needed): Return true if not
12652 flag_toplevel_reorder.
12653 (cgraph_add_asm_node): New function.
12654 * cgraph.h (struct cgraph_node): Add order field.
12655 (struct cgraph_varpool_node): Add order field.
12656 (struct cgraph_asm_node): Define.
12657 (cgraph_asm_nodes, cgraph_order): Declare.
12658 (cgraph_add_asm_node): Declare.
12659 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12661 (cgraph_varpool_assemble_pending_decls): Call it.
12662 (cgraph_output_pending_asms): New static function.
12663 (cgraph_finalize_compilation_unit): Call it.
12664 (struct cgraph_order_sort): Define.
12665 (cgraph_output_in_order): New static function.
12666 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12667 !flag_toplevel_reorder case.
12668 * c-parser.c: Include "cgraph.h".
12669 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12671 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12672 than -fno-unit-at-a-time.
12673 * doc/invoke.texi (Option Summary): Mention
12674 -fno-toplevel-reorder.
12675 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12676 -funit-at-a-time documentation.
12678 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12679 Kazu Hirata <kazu@codesourcery.com>
12681 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12683 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12685 * Makefile.in (FUNCTION_H): New. Use it instead of
12686 function.h throughout the file.
12687 * function.h: Include tree.h.
12689 2006-01-17 Ben Elliston <bje@au.ibm.com>
12691 * recog.c: Separate some functions with whitespace.
12693 2006-01-16 Richard Henderson <rth@redhat.com>
12695 Merge from gomp branch:
12696 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12697 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12698 and rename from struct inline_data. Rename callee* to dst*;
12699 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12700 transform_new_cfg, transform_return_to_modify, and
12701 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12703 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12704 (copy_decl_for_dup): Remove.
12705 * tree-inline.c (struct inline_data): Move to header.
12706 (insert_decl_map): Export.
12707 (remap_decl): Update for member name changes. Use copy_decl hook.
12708 Allow for replacement to be a non-decl. Remove dead code.
12709 (remap_type_1): Check for existing mapping.
12710 (remap_type): Export.
12711 (remap_decls): Update for member name changes.
12712 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12713 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12714 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12715 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12716 (tree_function_versioning, build_duplicate_type): Likewise.
12717 (copy_body_r): Likewise. Export.
12718 (copy_decl_for_dup): Split into ...
12719 (copy_decl_for_dup_finish, copy_decl_to_var,
12720 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12721 (replace_ref_tree, inlining_p): Remove.
12723 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12725 * ifcvt.c (if_convert): Make it static.
12726 * rtl.h: Remove the prototype for if_convert.
12728 * local-alloc.c (local_alloc): Make it static.
12729 * rtl.h: Remove the prototype for local_alloc.
12731 * loop.c (loop_optimize): Make it static.
12732 * cfgloop.h: Remove the prototype for loop_optimize.
12735 2006-01-16 DJ Delorie <dj@redhat.com>
12737 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12740 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12742 * pa.md: Disparage copies between general and floating-point registers
12743 in 32-bit move patterns.
12745 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12748 * Makefile.in (check-%): Depend on site.exp instead of
12749 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12752 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12754 * global.c (global_alloc): Make it static.
12755 * rtl.h: Remove the prototype for global_alloc.
12757 2006-01-16 Richard Guenther <rguenther@suse.de>
12759 * tree-ssa-alias.c (struct used_part): Add write_only field.
12760 (get_or_create_used_part_for): Initialize it to true.
12761 (create_overlap_variables_for): Don't create structure variables
12762 for structures that only are written to.
12763 (find_used_portions): Handle MODIFY_EXPR to track whether a
12764 structure is only written to.
12766 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12768 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12770 * basic-block.h: Remove the prototype for
12771 partition_hot_cold_basic_blocks.
12773 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12775 * cppspec.c (lang_specific_spec_functions): Remove.
12776 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12777 * gcc.h (lang_specific_spec_functions): Remove.
12778 * gccspec.c (lang_specific_spec_functions): Remove.
12780 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12782 * combine.c (record_value_for_reg): Invalidate registers
12784 (record_dead_and_set_regs_1): Likewise, by passing them to
12785 record_value_for_reg.
12786 (record_dead_and_set_regs): Invalidate stores made by a
12787 call. We do not combine across a call, but we still
12788 relied on equivalences.
12790 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12792 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12793 vrp_int_const_binop returning non-constant nodes.
12795 2006-01-16 Paul Brook <paul@codesourcery.com>
12797 * config/m68k/m68k.c (output_move_const_into_data_reg):
12798 Output correct mnemonic for mvz and mvs.
12800 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12802 * rtl-factoring.c: Add sequence abstraction algorithm.
12803 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12804 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12806 (block_has_preserve_label): New function.
12807 * common.opt: Register new pass.
12808 * Makefile.in: Ditto.
12810 * timevar.def: Ditto.
12811 * tree-pass.h: Ditto.
12812 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12813 * rtl.h (make_jump_insn_raw): Add forward decl.
12814 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12816 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12817 Roger Sayle <roger@eyesopen.com>
12819 * fold-const.c (fold_minmax): New static function.
12820 (fold_binary) <MIN_EXPR>: Call it.
12821 <MAX_EXPR>: Likewise.
12822 * stor-layout.c (place_field): Use DECL_SIZE consistently
12823 in the computation of the new record size.
12825 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12827 * cse.c (cse_condition_code_reg): Make it static.
12828 * rtl.h: Remove the prototype for cse_condition_code_reg.
12830 * combine.c (combine_instructions): Make it static.
12831 * rtl.h: Remove the prototype for combine_instructions.
12833 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12836 * tree.c (get_file_function_name_long): Concatenate the first global
12837 object name with a string derived from the input filename of the object
12840 2006-01-16 Ben Elliston <bje@au.ibm.com>
12842 * config/i386/winnt-stubs.c: Update FSF address.
12843 * config/xtensa/ieee754-df.S: Ditto.
12844 * config/xtensa/ieee754-sf.S: Ditto.
12846 2006-01-14 Ian Lance Taylor <ian@airs.com>
12848 * ifcvt.c (noce_init_if_info): New static function, broken out of
12849 noce_process_if_block.
12850 (noce_process_if_block): Call noce_init_if_info.
12851 (check_cond_move_block): New static function.
12852 (cond_move_process_if_block): New static function.
12853 (process_if_block): Call cond_move_process_if_block.
12855 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12857 * cselib.c (hash_table): Rename to cselib_hash_table.
12858 (cselib_clear_table, discard_useless_values,
12859 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12860 cselib_init, cselib_finish): Adjust uses of hash_table.
12862 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12864 PR tree-optimization/25485
12865 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12866 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12867 is known to be false and true, respectively.
12869 2006-01-14 Richard Guenther <rguenther@suse.de>
12871 PR tree-optimization/22548
12872 PR tree-optimization/22555
12873 PR tree-optimization/22501
12874 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12875 * params.def (salias-max-array-elements): New parameter.
12876 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12877 * doc/invoke.texi (salias-max-array-elements): Document.
12878 * tree-flow-inline.h (var_can_have_subvars): We also handle
12880 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12882 * tree-ssa-structalias.c (params.h): Include.
12883 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12884 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12885 (get_constraint_for): For ADDR_EXPR operating on something
12886 containing an ARRAY_REF, add all subvars to the solution.
12887 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12888 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12889 for creating MUST_DEFs.
12890 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12892 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12894 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12896 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12897 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12898 number_of_iterations_le): New functions.
12899 (number_of_iterations_special): Removed.
12900 (number_of_iterations_exit): Do not use number_of_iterations_special.
12901 * tree.c (unsigned_type_for): Always return integer type.
12903 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12904 Richard Guenther <rguenther@suse.de>
12906 PR rtl-optimization/24257
12907 * gcse.c (find_moveable_store): Only consider a store movable
12908 when the SET_SRC of the insn can be assigned to a register.
12910 2006-01-14 Ian Lance Taylor <ian@airs.com>
12912 * tree.c (tree_not_class_check_failed): New function.
12913 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12914 (tree_not_class_check_failed): Declare.
12916 2006-01-13 Ian Lance Taylor <ian@airs.com>
12918 * reload1.c (do_output_reload): Add assertion rejecting a
12921 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12923 * combine.c (struct reg_stat): Add new fields truncation_label and
12925 (record_value_for_reg): Reset truncated_to_mode.
12926 (record_truncated_value): New function.
12927 (check_promoted_subreg): Call it. Rename to check_conversions.
12928 (combine_instructions): Rename check_promoted_subreg to
12930 (reg_truncated_to_mode): New function.
12931 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12932 (gen_lowpart_or_truncate): New function.
12933 (force_to_mode): Use it instead of gen_lowpart.
12935 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12937 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12938 VAR is a tag, not its type tag.
12940 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12942 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12943 alternatives to match style of other entries.
12944 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12946 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12948 PR tree-optimization/25771
12949 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12952 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12955 * tree-inline.c (declare_return_variable): If the return variable
12956 was marked as a non gimple complex, set the return slot variable
12957 to be a non gimple comple variable.
12959 2006-01-13 Richard Guenther <rguenther@suse.de>
12961 * builtins.c (expand_builtin_sincos): New function.
12962 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12964 (expand_builtin): Expand sincos using expand_builtin_sincos.
12966 2006-01-12 DJ Delorie <dj@redhat.com>
12968 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12969 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12970 so that constant shifts can be split.
12971 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12972 (m32c_valid_pointer_mode): Make static.
12973 (shift_gen_func_for): New.
12974 (m32c_prepare_shift): Use it. Split large const shifts into
12976 * config/m32c/predicates.md (shiftcount_operand): Allow more
12978 (longshiftcount_operand): New.
12979 * doc/md.texi (Machine Constraints): Document In6.
12981 2006-01-13 Ben Elliston <bje@au.ibm.com>
12983 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12984 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12987 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12989 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12990 to try to avoid clobbering pieces of structures when we know
12991 something about the whole structure.
12992 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12994 2006-01-13 Ben Elliston <bje@au.ibm.com>
12996 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12997 return in memory, as this is no limitation is no longer present.
12999 2006-01-12 DJ Delorie <dj@redhat.com>
13001 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13002 mova with fb, and for fb+0 -> An.
13004 * config/m32c/mov.md (peephole2): Fix enabling logic.
13006 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13007 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13008 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13009 FINI_ARRAY_SECTION_ASM_OP): Define.
13011 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13013 (m32c_legitimize_reload_address): New logic to reload FB to An.
13014 (m32c_output_reg_push): Add newline.
13015 (m32c_output_reg_pop): Likewise.
13017 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13019 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13021 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13023 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13025 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13027 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13030 2006-01-11 Ben Elliston <bje@au.ibm.com>
13032 * rtlanal.c (find_reg_note): Assert insn is not null.
13034 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13036 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13039 2006-01-11 Jeff Law <law@redhat.com>
13041 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13043 (mark_threaded_blocks, register_jump_thread): New functions.
13044 (thread_through_all_blocks): Remove unwanted argument. No
13045 longer rely on e->aux to communicate thread target info.
13046 Call mark_threaded_blocks. Release the threaded_blocks
13047 bitmap and threaded_edges vector when complete.
13048 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13049 (threaded_blocks): Remove.
13050 (tree_ssa_dominator_optimize): Remove initialization and
13051 finalization of threaded_blocks. Simplify call to
13052 thread_through_all_blocks.
13053 (thread_across_edge): Call register_jump_thread rather than
13054 storing thread information into e->aux.
13055 (free_all_edge_infos): Simplify now that e->aux is no longer
13056 used to communicate with thread_through_all_blocks.
13057 * tree-flow.h (thread_through_all_blocks): Update prototype.
13058 (register_jump_thread): Prototype.
13060 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13062 * df-core.c (df_compact_blocks, df_bb_replace): Use
13063 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13065 2006-01-11 Richard Guenther <rguenther@suse.de>
13067 PR tree-optimization/25734
13068 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13069 stop propagation after successful propagation to the LHS.
13071 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13073 * basic-block.h (control_flow_graph): Change the type of
13074 x_basic_block_info to VEC(basic_block,gc) *.
13075 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13077 (SET_BASIC_BLOCK): New.
13078 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13079 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13080 * cfgbuild.c (find_basic_blocks): Likewise.
13081 * cfglayout.c (fixup_reorder_chain): Likewise.
13082 * cfgrtl.c (create_basic_block_structure,
13083 rtl_create_basic_block): Likewise.
13084 * ifcvt.c (find_if_case_1): Likewise.
13085 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13088 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13090 * Makefile.in: Removed rotted odf.c entry.
13092 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13095 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13096 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13097 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13098 output pattern modifier, not %e.
13099 * config/cris/cris.c (cris_op_str): Update comment about pattern
13101 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13102 before falling through into...
13103 <case 'E'>: Redefined from old 'e' case.
13105 2006-01-11 Jan Hubicka <jh@suse.cz>
13108 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13110 2006-01-11 Jan Hubicka <jh@suse.cz>
13112 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13113 * i386.c (x86_decompose_lea): Kill.
13114 (ix86_rtx_costs): Kill.
13116 2006-01-11 Jan Hubicka <jh@suse.cz>
13118 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13119 * cgraph.h (cgraph_node): Add inline_decl.
13120 (cgraph_insert_node_to_hashtable): Declare.
13121 (save_inline_function_body): Declare.
13122 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13124 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13125 (cgraph_function_versioning): Update call of tree_function_versioning.
13126 (save_inline_function_body): New function.
13127 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13128 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13129 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13130 (cgraph_default_inline_p): Likewise.
13131 (cgraph_decide_inlining_incrementally): Likewise.
13132 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13133 (copy_bb): Kill saving; do updating of clones.
13134 (copy_cfg_body): Kill saving.
13135 (initialize_inlined-parameters): Likewise.
13136 (expand_call_inline): Likewise.
13138 (tree_function_versioning): New parameter "update_clones".
13139 (inlining_p): Kill saving.
13140 * tree-inline.h (tree_function_versioning): Update prototype.
13141 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13144 2006-01-11 Ian Lance Taylor <ian@airs.com>
13146 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13147 Allow undoing set of machine mode.
13148 (do_SUBST): Use enums instead of is_int.
13149 (do_SUBST_MODE): New function.
13150 (SUBST_MODE): New macro.
13151 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13152 reg and trying to replace reg_regno_rtx with a new register.
13153 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13154 (simplify_set): Use SUBST_MODE.
13155 (distribute_notes): Remove code that tried to update reg notes
13156 for regno_reg_rtx changes.
13158 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13160 PR tree-optimization/23109
13161 PR tree-optimization/23948
13162 PR tree-optimization/24123
13164 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13165 * tree-cfg.c (single_noncomplex_succ): New.
13166 * tree-flow.h (single_noncomplex_succ): Declare it.
13167 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13168 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13169 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13170 insert_bb, register_division_in, insert_reciprocals,
13171 replace_reciprocal, free_bb): New.
13172 (execute_cse_reciprocals_1): Rewritten.
13173 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13174 Do not commit any edge insertion. Always compute dominators and
13175 create the allocation pool.
13176 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13177 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13178 * targhooks.c (default_min_divistions_for_recip_mul): New.
13179 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13180 * passes.c (init_optimization_passes): Run recip after tree loop
13182 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13184 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13185 Kenneth Zadeck <zadeck@naturalbridge.com>
13187 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13188 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13189 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13190 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13191 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13192 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13193 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13194 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13195 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13196 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13197 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13198 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13199 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13200 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13201 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13202 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13203 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13204 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13205 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13206 DF_SCAN_POST_ALLOC): New macros.
13207 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13208 df_free_bb_function, df_local_compute_function, df_init_function,
13209 df_dataflow_function, df_confluence_function_0,
13210 df_confluence_function_n, df_transfer_function,
13211 df_finalizer_function, df_free_function, df_dump_problem_function,
13212 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13213 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13214 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13215 df_urec_bb_info, ) New types.
13216 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13218 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13219 df_analyze_simple_change_some_blocks,
13220 df_analyze_simple_change_one_block, df_compact_blocks,
13221 df_bb_replace, df_bb_regno_last_use_find,
13222 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13223 df_insn_regno_def_p, df_find_def, df_find_use,
13224 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13225 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13226 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13227 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13228 debug_df_chain, df_get_dependent_problem, df_chain_create,
13229 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13230 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13231 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13232 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13233 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13234 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13235 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13236 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13237 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13238 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13239 df_reorganize_refs, df_set_state, df_hard_reg_init,
13240 df_read_modify_subreg_p) New public functions.
13241 * df-core.c: The core dataflow solver and glue routines for rtl
13243 (df_init, df_add_problem, df_set_blocks, df_finish,
13244 df_hybrid_search_forward, df_hybrid_search_backward,
13245 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13246 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13247 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13248 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13249 df_reg_defined, df_find_use, df_reg_used, df_dump,
13250 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13251 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13252 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13253 debug_df_useno, reset_df_after_reload): New functions.
13254 * df-scan.c: The scanning fuctions, once in df.c, completely
13255 rewritten so that they now fully model the functionality of
13256 register usage at the backend.
13257 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13258 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13259 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13260 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13261 df_get_artificial_defs, df_get_artificial_uses,
13262 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13263 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13264 df_refs_delete, df_reorganize_refs, df_set_state,
13265 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13266 df_def_record_1, df_defs_record, df_uses_record,
13267 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13268 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13269 df_record_exit_block_uses, df_hard_reg_init): New functions.
13271 * df-problems.c: Seven concrete dataflow problems that use the
13272 scanning in df-scan.c and are solved by the engine in df-core.c.
13273 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13274 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13275 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13276 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13277 df_ru_free_bb_info, df_ru_alloc,
13278 df_ru_bb_local_compute_process_def,
13279 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13280 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13281 df_ru_transfer_function, df_ru_free, df_ru_dump,
13282 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13283 df_rd_free_bb_info, df_rd_alloc,
13284 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13285 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13286 df_rd_transfer_function, df_rd_free, df_rd_dump,
13287 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13288 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13289 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13290 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13291 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13292 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13293 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13294 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13295 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13296 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13297 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13298 df_urec_mark_reg_use_for_earlyclobber,
13299 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13300 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13301 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13302 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13303 df_chain_create_bb_process_use, df_chain_create_bb,
13304 df_chain_finalize, df_chain_free, df_chains_dump,
13305 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13306 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13307 df_reg_lifetime): New functions.
13308 * df.c: Deleted file.
13309 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13310 consistent with new df api.
13311 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13312 rest_of_handle_sms): Ditto.
13313 * web.c (unionfind_union, union_defs, entry_register, web_main):
13315 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13316 invariant_expr_equal_p, find_defs, check_dependencies,
13317 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13318 free_inv_motion_data, move_loop_invariants): Ditto.
13319 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13320 Update dependencies.
13321 (odf.c): Added defective entry that was deleted later in day.
13322 * sched-deps.c (sched_analyze_1): Ditto.
13324 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13326 * tree-ssa-operands.c (get_expr_operands): Record addressable
13327 variables directly. Do not call add_stmt_operands for CONST_DECLs
13329 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13330 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13332 2006-01-11 Ben Elliston <bje@au.ibm.com>
13334 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13335 function returns true in the positive case.
13337 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13340 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13341 for SI, DI, SF and DF modes. Add alternatives to copy between
13342 general and floating point registers to the 32-bit patterns.
13343 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13344 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13345 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13346 generating 64-bit code.
13347 * config/pa/pa.c (output_move_double): Handle copies between general
13348 and floating registers.
13350 2006-01-10 Stuart Hastings <stuart@apple.com>
13352 * config/i386/i386.md (set_got): Update.
13353 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13354 (builtin_setjmp_receiver): Mach-O support.
13355 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13356 (GOT_SYMBOL_NAME): Define.
13357 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13358 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13359 * config/i386/i386.c (override_options): Revise for Darwin.
13360 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13361 support. (darwin_x86_file_end): New. (output_set_got): Add label
13362 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13363 * config/i386/i386-protos.h (output_set_got): Likewise.
13364 * config/darwin.c (machopic_legitimize_pic_address): Update
13367 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13369 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13370 when MODE isn't BLKmode.
13372 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13374 PR rtl-optimization/25367
13375 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13377 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13380 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13381 for a negative bound.
13383 2006-01-10 Richard Guenther <rguenther@suse.de>
13385 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13386 Never override with anything constraint.
13388 2006-01-10 Jan Beulich <jbeulich@novell.com>
13390 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13391 256 bits when optimize_size.
13393 2006-01-10 Jan Beulich <jbeulich@novell.com>
13395 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13397 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13398 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13401 2006-01-10 Ben Elliston <bje@au.ibm.com>
13403 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13405 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13406 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13407 (USE_FP_FOR_ARG): Reject decimal float modes.
13408 (function_arg_advance): Likewise.
13409 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13410 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13411 point types in AltiVec vectors.
13412 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13413 (rs6000_libcall_value): Likewise.
13415 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13417 * config/xtensa/ieee754-df.S: New file.
13418 * config/xtensa/ieee754-sf.S: New file.
13419 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13420 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13421 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13423 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13425 * config/sh/predicates.md (binary_float_operator,
13426 binary_logical_operator, commutative_float_operator,
13427 equality_comparison_operator, greater_comparison_operator,
13428 less_comparison_operator, logical_operator,
13429 noncommutative_float_operator, shift_operator,
13430 symbol_ref_operand, unary_float_operator): Remove redundant
13433 2006-01-09 Jeff Law <law@redhat.com>
13435 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13436 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13437 now unused arguments. Callers updated.
13438 (eliminate_redundant_computations): Remove now unused arguments,
13440 (local_fold): Remove, no longer used.
13441 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13443 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13444 (simplify_cond): New function.
13445 (forward_propagate_into_cond): Call simplify_cond.
13447 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13449 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13450 (*vec_extractv2di_1_sse): New.
13452 2006-01-09 Ben Elliston <bje@au.ibm.com>
13454 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13456 2006-01-08 Richard Guenther <rguenther@suse.de>
13458 * tree-ssa-structalias.c (get_constraint_for): Remove
13459 anyoffset argument.
13460 (get_constraint_for_component_ref): Likewise.
13461 (do_deref): Likewise.
13462 (get_constraint_for): Likewise.
13463 (do_structure_copy): Likewise.
13464 (handle_ptr_arith): Likewise.
13465 (find_func_aliases): Likewise. Remove unused need_anyoffset
13468 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13469 Kaz Kojima <kkojima@gcc.gnu.org>
13471 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13472 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13473 (EXTRA_CONSTRAINT_C16): Remove.
13474 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13475 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13476 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13477 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13478 constants of SHmedia. Handle nested constant expressions of
13480 (andcosts): Fix the costs for SHmedia constants.
13481 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13482 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13483 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13484 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13485 (movv4hi_i, movv2si_i): Likewise.
13486 (movsi_const): Adjust the second operand of ior so to match with
13487 the Csu constraint.
13488 (movdi_const, movdi_const_32bit): Likewise.
13489 (movdi_const_16bit+1): Don't sign-extend LOW.
13490 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13492 (*double_shori): Fix the split condition. Use GEN_INT instead
13493 of get_int_mode calls. Mask lower 16-bit of the argument of
13495 (sym2GOTPLT): Remove.
13496 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13498 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13499 instead of EXTRA_CONSTRAINT_C16.
13501 2006-01-07 Ian Lance Taylor <ian@airs.com>
13502 David Edelsohn <edelsohn@gnu.org>
13504 PR rtl-optimization/25662
13505 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13506 for constant operands instead of simplify_gen_binary.
13507 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13508 after trying simplify_binary_operation
13510 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13512 * tree.c (iterative_hash_expr): Hash decls based on UID.
13514 2006-01-06 Eric Christopher <echristo@apple.com>
13516 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13517 (TARGET_UNWIND_EMIT): Fix spelling.
13518 * target.h (gcc_target): Add except_table_label.
13519 * except.c (output_function_exception_table): Use.
13520 * varasm.c (default_emit_except_table_label): New.
13521 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13523 (asm_out): Add here.
13524 * output.h (default_emit_except_table_label): Prototype.
13525 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13526 * config/darwin.c (darwin_emit_except_table_label): Define.
13527 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13529 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13531 PR tree-optimization/18527
13532 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13533 number_of_iterations_special, number_of_iterations_exit):
13534 Move base and step of an iv to a single structure. Add
13535 no_overflow flag, and use it in # of iterations analysis.
13536 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13537 folded_casts argument.
13538 (simple_iv): Pass base and step in a structure. Set no_overflow
13540 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13541 Evaluate expensiveness of computing # of iterations instead of
13542 the final expression.
13543 * tree-scalar-evolution.h (affine_iv): New structure.
13544 (simple_iv): Declaration changed.
13545 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13546 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13547 find_givs_in_stmt): Changed due to simple_iv change.
13549 2006-01-06 Jeff Law <law@redhat.com>
13552 * tree-cfg.c (bsi_replace): Rename final argument from
13553 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13554 change (stmt -> orig_stmt).
13555 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13556 (bsi_remove): Add new argument. Remove EH information
13558 (verify_eh_throw_table_statements): New function.
13559 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13561 * tree-optimize.c (execute_free_cfg_annotations): Verify
13562 the EH throw statement table after removing annotations.
13563 * except.h (verify_eh_throw_table_statements): Prototype.
13564 * tree-flow.h (bsi_remove): Update prototype.
13565 * tree-vrp.c (remove_range_assertions): Add new argument to
13567 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13568 * tree-complex.c (expand_complex_div_wide): Likewise.
13569 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13570 * tree-tailcall.c (eliminate_tailcall): Likewise.
13571 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13572 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13573 * tree-nrv.c (tree_nrv): Likewise.
13574 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13575 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13576 (combine_blocks): Likewise.
13577 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13578 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13579 (cleanup_control_flow): Likewise.
13580 (remove_forwarder_block): Likewise.
13581 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13582 * tree-sra.c (sra_replace): Likewise.
13583 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13584 (forward_propagate_single_use_vars): Likewise.
13585 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13586 * tree-inline.c (expand_call_inline): Likewise.
13587 * tree-vect-transform.c (vect_transform_loop): Likewise.
13588 * tree-outof-ssa.c (rewrite_trees): Likewise.
13589 * tree-cfg.c (make_goto_expr_edges): Likewise.
13590 (cleanup_dead_labels): Likewise.
13591 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13592 (bsi_move_before, bsi_move_after): Likewise.
13593 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13594 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13596 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13599 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13601 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13602 on non gimple variables. Also add checks at the top for decls and
13604 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13606 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13607 and IMAGPART_EXPR for creating MUST_DEFs.
13608 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13609 and NAME_MEMORY_TAG separately from the DECLs.
13611 2006-01-06 Richard Guenther <rguenther@suse.de>
13613 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13614 annotation, if necessary.
13615 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13616 redundant calls to update_stmt.
13617 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13620 2006-01-05 Richard Henderson <rth@redhat.com>
13622 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13624 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13626 * c-typeck.c: Update copyright date.
13628 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13630 * c-typeck.c (build_c_cast): Always warn when casting
13631 from a pointer to an integer of different size, even if
13632 the node was constant.
13634 2006-01-05 Richard Guenther <rguenther@suse.de>
13636 PR tree-optimization/22555
13637 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13638 if one structure field is an array.
13639 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13640 operands even if we found a subvar, but ignore VOPs in this
13642 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13644 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13646 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13648 PR middle-end/24998
13649 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13651 2006-01-05 Richard Guenther <rguenther@suse.de>
13652 Diego Novillo <dnovillo@redhat.com>
13654 * tree-pass.h (TODO_remove_unused_locals): Define.
13655 * gimple-low.c (expand_var_p, remove_useless_vars,
13656 pass_remove_useless_vars): Remove. Update all users.
13657 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13658 (remove_unused_locals): New function.
13659 * tree-flow.h (remove_unused_locals): Declare.
13660 * passes.c (execute_todo): Call remove_unused_locals if
13661 TODO_remove_unused_locals is set.
13662 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13663 * tree-ssa-dce.c (pass_dce): Likewise.
13664 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13666 2006-01-05 Richard Guenther <rguenther@suse.de>
13668 * tree-flow.h (struct fieldoff): Decompose field to
13669 type, size and decl.
13670 * tree-ssa-alias.c (create_sft): Take type as parameter.
13671 (create_overlap_variables_for): Store type, size and decl
13672 in the fieldoff structure.
13673 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13674 of struct fieldoff.
13675 (push_fields_onto_fieldstack): Likewise.
13676 (create_variable_info_for): Likewise. Use offset for the
13677 SFT name if the decl is not available.
13679 2006-01-04 Paul Brook <paul@codesourcery.com>
13681 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13683 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13685 * lambda-code.c (can_put_in_inner_loop): Relax
13687 (can_put_after_inner_loop): New function.
13688 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13689 (perfect_nestify): Change to make copies and modify uses.
13691 2006-01-04 Richard Henderson <rth@redhat.com>
13693 Merge from gomp branch:
13694 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13695 via integer constant.
13696 (pragma_lex): Remove.
13697 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13698 rather than parsing it.
13699 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13700 handle_pragma_extern_prefix): Add %< %> quotes.
13701 (registered_pragmas): New.
13702 (c_register_pragma_1): New.
13703 (c_register_pragma): Use it.
13704 (c_register_pragma_with_expansion): Likewise.
13705 (c_invoke_pragma_handler): New.
13706 (init_pragma): Use cpp_register_deferred_pragma directly for
13708 * c-pragma.h (enum pragma_kind): New.
13709 (pragma_handler): New.
13710 (c_invoke_pragma_handler): Declare.
13711 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13713 * c-common.h (c_common_pch_pragma): Update decl.
13714 * Makefile.in (c-parser.o): Update dependencies.
13715 (GTFILES): Add c-pragma.h.
13716 * c-parser.c (struct c_token): Add pragma_kind.
13717 (struct c_parser): Add in_pragma.
13718 (c_lex_one_token): Always initialize keyword and pragma_kind.
13719 Extract data for CPP_PRAGMA.
13720 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13721 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13722 Don't allow CPP_PRAGMA_EOL if in_pragma.
13723 (c_parser_consume_pragma): New.
13724 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13725 (c_parser_skip_to_end_of_parameter): Likewise.
13726 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13727 (c_parser_skip_to_pragma_eol): New.
13728 (c_parser_external_declaration): Handle CPP_PRAGMA.
13729 (c_parser_compound_statement_nostart): Likewise.
13730 (c_parser_statement_after_labels): Likewise.
13731 (c_parser_pragma): New.
13732 (pragma_lex): Likewise.
13733 (c_parser_pragma_pch_preprocess): New.
13734 (c_parser_new): Merge into ...
13735 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13737 2006-01-04 Jeff Law <law@redhat.com>
13740 * tree-cfg.c (bsi_replace): Remove the original statement
13741 from the EH throw statement table.
13743 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13745 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13746 make the prototype extern "C" and add throw ().
13749 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13750 and pos non-negative and pos + len <= 32.
13751 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13752 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13753 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13756 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13757 as well as sizes not multiple of component size.
13760 * function.c (instantiate_expr): New function.
13761 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13762 walk its DECL_VALUE_EXPR with instantiate_expr.
13764 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13765 DW_OP_deref{,_size} if address isn't going to be added.
13767 2006-01-04 Ben Elliston <bje@au.ibm.com>
13769 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13770 * config/fp-bit.c: Likewise.
13772 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13774 * dominance.c: Add comment about why we use DFS numbering
13777 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13778 Richard Henderson <rth@redhat.com>
13780 Merge from gomp-branch:
13781 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13782 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13784 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13786 PR rtl-optimization/25578
13787 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13788 pass a parameter to simplify_shift_const if changing ASHIFTRT
13791 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13793 * builtins.c (get_builtin_sync_mem): New function.
13794 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13795 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13796 Call get_builtin_sync_mem to generate mem rtx.
13798 2006-01-03 Richard Guenther <rguenther@suse.de>
13801 * stmt.c (add_case_node): Make sure to clear overflow flags
13804 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13806 Merge from gomp-branch.
13807 * config/sparc/sync.md: New file.
13808 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13809 UNSPECV_LDSTUB): New constants.
13810 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13811 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13812 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13815 2006-01-03 Roger Sayle <roger@eyesopen.com>
13817 * combine.c (reg_subword_p): New predicate to test whether the
13818 destination of a set refers to a subword/piece of a register.
13819 (try_combine): Generalize the code to merge the setting of a
13820 pseudo to a constant followed by a set of a subword of that
13821 register to a constant.
13823 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13825 * basic-block.h (control_flow_graph): Change the type of
13826 x_label_to_block_map to VEC(basic_block,gc) *.
13827 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13828 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13830 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13831 VEC(basic_block,heap) *.
13832 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13833 ssa_prop_fini): Adjust the uses of cfg_blocks.
13835 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13837 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13839 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13840 hashing trees instead of a pointer hash.
13841 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13842 compare for MEM_EXPR.
13844 PR rtl-optimization/25130
13845 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13846 when comparing MEMs for GCSE
13848 2006-01-03 Ben Elliston <bje@au.ibm.com>
13850 * targhooks.h (default_decimal_float_supported_p): Declare.
13851 * targhooks.c (default_decimal_float_supported_p): Define.
13852 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13853 `default_decimal_float_supported_p'.
13854 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13856 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13858 * combine.c (apply_distributive_law <SUBREG>): Check
13859 TRULY_NOOP_TRUNCATION.
13861 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13863 * dwarf2out.c (have_switched_text_section): Delete.
13864 (have_multiple_function_sections): New.
13865 (have_location_lists): Make 'bool'.
13866 (add_AT_loc_list): Use 'true' not '1'.
13867 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13868 (output_loc_list): Use have_multiple_function_sections.
13869 (output_ranges): Likewise.
13870 (dwarf2out_begin_function): Set have_multiple_function_sections if
13872 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13873 Check function_section rather than DECL_SECTION_NAME.
13874 (dwarf2out_finish): Use have_multiple_function_sections.
13875 Don't clear have_location_lists.
13877 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13878 Jan Hubicka <jh@suse.cz>
13880 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13881 case of conditional jump jumping to the next instruction.
13882 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13883 cases of conditional jump jumping to the next instruction.
13885 2006-01-02 Jan Hubicka <jh@suse.cz>
13887 * i386.c (*_cost): Add COSTS_N_INSNS.
13888 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13890 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13893 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13895 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13897 * config/arm/arm.c (all_fpus): Fix comment typo.
13898 * config/darwin.c: Likewise.
13899 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13900 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13901 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13903 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13905 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13906 (rs6000_split_compare_and_swapqhi): New.
13907 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13908 (sync_compare_and_swapqhi_internal): New.
13909 * config/rs6000/rs6000-protos.h: Declare.