1 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4 * c-parser.c (c_parser_compound_statement_nostart): Reset
5 parser->error after each statement.
7 2006-08-15 Jakub Jelinek <jakub@redhat.com>
10 * omp-low.c (lower_omp_parallel): Convert t to
12 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
13 source before comparison.
16 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
17 to itype in assignment to oldival2.
19 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
23 * c-typeck.c (build_compound_expr): If the second expression
24 is an error mark, then just return an error mark instead of
25 creating a COMPOUND_EXPR.
27 2006-07-14 Mike Stump <mrs@apple.com>
29 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
31 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
33 * c-decl.c, var-tracking.c: Fix comment typos.
35 2006-08-14 Richard Sandiford <richard@codesourcery.com>
37 PR rtl-optimization/28634
38 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
39 for floating-point modes unless flag_unsafe_math_optimizations.
41 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
42 Andrew Pinski <pinskia@physics.uc.edu>
45 * tree.c (build_array_type): Unify array types with
46 unspecified index_type.
47 * c-decl.c (grokdeclarator): Make sure we do not modify a
48 unified incomplete array type.
49 * c-typeck.c (store_init_value): Create distinct type before
50 filling in the index type in an initializer from a compound
53 * c-decl.c (grokdeclarator): Remove code where we copy the
56 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
58 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
59 into account for TODO_dump_cgraph.
60 (TODO_update_ssa_no_phi): Likewise.
61 (TODO_update_ssa_full_phi): Likewise.
62 (TODO_update_ssa_only_virtuals): Likewise.
63 (TODO_remove_unused_locals): Likewise.
64 (TODO_set_props): Likewise.
65 (TODO_update_stmt_usage): Likewise.
67 2006-08-13 Dirk Mueller <dmueller@suse.de>
69 * c-common.c (strict_aliasing_warning): Fix formatting.
71 2006-08-13 Matthias Klose <doko@debian.org>
73 * doc/invoke.texi: Fix spelling errors.
75 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
77 PR rtl-optimization/23454
78 * reorg.c (relax_delay_slots): Update comment.
80 2006-08-11 Richard Guenther <rguenther@suse.de>
83 * simplify-rtx.c (simplify_const_relational_operation):
84 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
87 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
89 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
90 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
92 2006-08-10 Paul Brook <paul@codesourcery.com>
94 * final.c (final_scan_insn): Clear current_insn_predicate before
95 outputting inline asm.
97 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
99 PR tree-optimization/26197
100 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
101 get_ref_base_and_extent and overlap_subvar to add only relevant
102 subvars as may-aliases.
103 (add_may_alias_for_new_tag): New function, factored out of
105 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
106 with additional argument.
107 * tree-flow.h (new_type_alias): Takes additional argument.
109 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
111 * gcov.c (no_data_file): New flag.
112 (read_count_file): Set it if data file not present. Assume counts
114 (output_lines): Don't name the data file, if there wasn't one.
116 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
118 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
119 (rs6000_generate_compare): Tweak comments.
120 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
122 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
124 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
125 (var_debug_decl): New function.
126 (var_reg_set): Follow debug decl link. Add location even if
127 reg is already known to hold some other variable.
128 (var_mem_set): Follow debug decl link.
129 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
130 decl link. Delete other known locations of the variable part
132 (var_reg_delete, var_mem_delete): Delete other known locations
133 of the variable part if requested.
134 (same_variable_part_p): New function.
135 (add_stores): Select MO_COPY when appropriate.
136 (vt_initialize): Handle it.
137 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
138 known locations for MO_SET and MO_CLOBBER.
139 (find_variable_location_part): New function.
140 (set_variable_part, delete_variable_part): Use it.
141 (clobber_variable_part): New function.
142 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
145 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
147 PR tree-optimization/26969
148 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
149 with an empty list of PHIs.
151 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
155 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
158 2006-08-06 Andreas Schwab <schwab@suse.de>
160 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
161 string. Whitespace and comment fixup.
163 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
166 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
170 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
173 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
175 2006-08-04 Jan Hubicka <jh@suse.cz>
179 * reload.c (push_reload): Patch out the mismatching instruction;
181 (find_reload): Bail out if the instruction was patched out.
183 2006-08-04 Jan Hubicka <jh@suse.cz>
185 PR tree-optimization/24888
186 * tree-inline.c (expand_call_inline): Do not re-record variables.
187 (declare_inline_vars): Add variable to unexpanded_var_list.
189 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
190 Roger Sayle <roger@eyesopen.com>
192 PR rtl-optimization/26244
193 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
194 inner_const are negative or greater than or equal to the bitsize of
195 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
196 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
197 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
198 CONST0_RTX (mode) when the new shift count is greater than or equal to
199 to the bitsize of the object being shifted and XEXP (y, 0) has no side
202 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
204 * tree-cfg.c: Fix a comment typo.
206 2006-08-03 Mark Mitchell <mark@codesourcery.com>
209 * varasm.c (output_constant): Give the front end another chance to
210 expand constants, after stripping NOPs.
212 2006-08-03 Jan Hubicka <jh@suse.cz>
214 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
217 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
219 PR tree-optimization/27770
220 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
221 declaration removed (moved to tree-flow.h).
222 (vect_can_force_dr_alignment_p): Likewise.
223 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
224 (moved from tree-vectorizer.h).
225 (vect_can_force_dr_alignment_p): Likewise.
226 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
227 from outside the vectorizer - in particular from cgraph stage.
228 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
229 the alignment of global arrays when -fsection-anchors is enabled.
230 * cgraphunit.c (cgraph_increase_alignment): New function.
231 (cgraph_optimize): Call cgraph_increase_alignment.
233 2006-08-03 David Edelsohn <edelsohn@gnu.org>
236 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
237 not reload a SPE symbol_ref into a lo_sum address.
239 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
242 * dwarf2out.c (prune_unused_types_prune): Move call to
243 prune_unused_types_update_strings to cover the parent DIE also.
245 2006-08-02 Jan Hubicka <jh@suse.cz>
247 PR gcov/profile/28480
248 * tree-cfg.c (change_bb_for_stmt): New function.
249 (tree_merge_blocks, tree_split_blocks): Use it.
251 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
257 * toplev.c (compile_file): Return early on errorcount or sorrycount.
258 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
259 (cgraph_optimize): Likewise.
261 2006-08-01 Stuart Hastings <stuart@apple.com>
263 * rtl.h (UINTVAL) New.
264 * config/rs6000/rs6000.c (SMALL_INT) Use it.
265 * testsuite/gcc.dg/20060801-1.c: New.
267 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
270 * c-typeck.c (build_external_type): Mark used enum types.
271 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
273 (gen_subprogram_die): Whitespace fix.
275 2006-08-01 Jan Hubicka <jh@suse.cz>
277 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
278 bitmap when not needed.
279 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
282 2006-08-01 Dirk Mueller <dmueller@suse.de>
284 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
286 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
288 * Makefile.in: Revert part of previous patch:
289 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
292 2006-07-30 Eric Christopher <echristo@apple.com>
295 * doc/extend.texi (i386 Variable Attributes): Add anchor.
296 (PowerPC Variable Attributes): New section.
298 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
300 PR target/28126 (partial fix)
301 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
303 2006-07-28 Jan Hubicka <jh@suse.cz>
305 PR rtl-optimization/28071
306 * cfgrtl.c (rtl_delete_block): Free regsets.
307 * flow.c (allocate_bb_life_data): Re-use regsets if available.
309 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
311 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
312 and variables used in dependencies.
314 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
316 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
317 %fs for -mcmodel=kernel.
318 (stack_tls_protect_test_di): Likewise.
320 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
322 * Makefile.in: Use mkinstalldirs.
324 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
327 * opts-common.c (prune_options): Skip joined switches.
329 2006-07-27 Jan Hubicka <jh@suse.cz>
331 PR rtl-optimization/28071
332 * cselib.c (cselib_process_insn): Don't remove useless values too
333 often for very large hashtables.
335 2006-07-27 Jan Hubicka <jh@suse.cz>
337 PR rtl-optimization/28071
338 * global.c (greg_obstack): New obstack.
339 (allocate_bb_info): Use it.
340 (free_bb_info): Likewise.
341 (modify_reg_pav): Likewise.
343 2006-07-27 Roger Sayle <roger@eyesopen.com>
345 * builtins.c (fold_fixed_mathfn): When long and long long are the
346 same size, canonicalize llceil*, llfloor*, llround* and llrint*
347 functions to their lceil*, lfloor*, lround* and lrint* forms.
349 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
352 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
354 (rev_branch_insn): Likewise.
356 2006-07-27 Jan Hubicka <jh@suse.cz>
358 PR rtl-optimization/28071
359 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
360 (reg_set_in_bb, max_reg_computed): New static variables.
361 (regmove_optimize): Free the new array.
362 (fixup_match_1): Update call of reg_is_remote_constant_p.
364 2006-07-26 Jan Hubicka <jh@suse.cz>
366 PR tree-optimization/27882
367 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
369 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
371 (cgraph_analyze_compilation_unit): Likewise.
372 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
373 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
374 (cgraph_early_inlinine): Make order garbage collected.
375 * Makefile.in (gt-ipa-inline): New garbagecollected file.
377 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
379 * dbxout.c (output_types_sort): Add a comment.
380 (output_used_types): Free the VEC.
382 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
384 * function.c (reorder_fix_fragments): Delete.
385 (reorder_blocks): Don't call it.
386 (reorder_blocks_1): Put all subblocks under the origin block.
388 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
390 PR rtl-optimization/27907
391 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
394 2006-07-25 Roger Sayle <roger@eyesopen.com>
397 * convert.c (convert_to_integer): When transforming (T)foo(x) into
398 bar(x) check that bar's result type can represent all the values of T.
400 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
402 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
404 2006-07-25 Nick Clifton <nickc@redhat.com>
406 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
408 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
409 (ggc_pch_count_object): Likewise.
410 (ggc_pch_alloc_object): Likewise.
411 (ggc_pch_write_object): Likewise.
412 (init_ggc): Do not attempt to initialize entries in the
413 size_lookup[] array for objects whose size is greater than than
414 the length of the array.
416 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
418 * dbxout.c (output_used_types_helper): Push queued types
420 (output_types_sort): New.
421 (output_used_types): Collect used types on a VEC and sort them
424 2006-07-24 Richard Guenther <rguenther@suse.de>
427 * cgraph.c (cgraph_remove_node): Do not check if dumps
429 * cgraphunit.c (cgraph_optimize): Likewise.
431 2006-07-24 Jan Hubicka <jh@suse.cz>
433 PR rtl-optimization/28071
434 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
435 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
436 splitting before first stmt.
438 2006-07-24 Jan Hubicka <jh@suse.cz>
440 PR rtl-optimization/28071
441 * ipa-inline.c (update_caller_keys): Remove edges that
442 are no longer inline candidates.
444 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
447 * dbxout.c (output_used_types_helper, output_used_types): New.
448 (dbxout_symbol): Call output_used_types.
450 2006-07-23 Jan Hubicka <jh@suse.cz>
454 * cgraph.c (cgraph_varpool_nodes): Export.
455 (decide_is_variable_needed): Ignored "used" attribute in
457 * cgraph.h (cgraph_varpool_nodes): Declare.
458 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
461 2006-07-23 Roger Sayle <roger@eyesopen.com>
464 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
465 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
466 the __gthrw form of thr_keycreate.
467 (__gthread_key_delete): Silence the unused argument warning.
469 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
472 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
473 Cache the last found '\0' marker to avoid quadratic behavior.
475 2006-07-23 Jan Hubicka <jh@suse.cz>
477 * i386.md (subsi_3_zext): Fix output template.
479 2006-07-21 Mike Stump <mrs@apple.com>
481 * doc/invoke.texi (C++ Dialect Options): Note that
482 -fvisibility-inlines-hidden doesn't affect explicitly
483 instantiationed inline methods.
485 2006-07-20 Roger Sayle <roger@eyesopen.com>
487 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
488 if the target assembler is GNU binutils' gas.
489 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
490 whether to pass GNU gas or native as command line options.
492 2006-07-20 Jason Merrill <jason@redhat.com>
494 * tree.c (remove_attribute): New fn.
495 * tree.h: Declare it.
497 2006-07-20 Paul Brook <paul@codesourcery.com>
500 * cse.c (cse_insn): Add destination addresses to hash table. Check if
501 they are invalidated by this instruction.
503 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
506 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
508 2006-07-20 Eric Christopher <echristo@apple.com>
511 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
513 2006-07-19 Eric Christopher <echristo@apple.com>
515 * config/t-slibgcc-darwin (stmp-lipo): Remove.
516 Rewrite dependencies for libgcc_s.1.dylib.
518 2006-07-19 Jakub Jelinek <jakub@redhat.com>
520 * except.c (duplicate_eh_regions_1): Clear next_peer.
522 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
524 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
525 -mlongcall does not guarantee all calls will be long.
526 * doc/extend.texi (long_call/short_call): Document that longcall
527 does not guarantee a long call will be used.
528 (longcall/shortcall): Likewise.
530 2006-07-18 Roger Sayle <roger@eyesopen.com>
533 * expmed.c (expand_shift): Additionally check that the shift_cost
534 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
535 before implementing a LSHIFT_EXPR as a sequence of additions.
536 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
537 middle-end that DImode shifts need to be synthesized by expand.
539 2006-07-18 Diego Novillo <dnovillo@redhat.com>
542 * tree-ssa-operands.c (access_can_touch_variable): Update
544 Return true if ALIAS is .GLOBAL_VAR.
546 2006-07-18 David Daney <ddaney@avtrex.com>
548 * gcc.c (display_help): Fix typo in help text.
550 2006-07-18 Olivier Hainque <hainque@adacore.com>
552 * tree.h (categorize_ctor_elements): Adjust prototype and add
553 descriptive comment, both in accordance with the interface change
555 * varasm.c (constructor_static_from_elts_p): New function.
556 Whether a constructor node is a valid static constant initializer
557 if all its elements are.
558 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
559 * output.h: Declare it.
560 * expr.c (categorize_ctor_elements_1): Return whether the constructor
561 is a valid constant initializer instead of computing the number of
562 non-constant elements. Use constructor_static_from_elts_p for this
563 purpose. Replace the head comment with an indication that this is a
564 helper for categorize_ctor_elements.
565 (categorize_ctor_elements): Same interface change as for the _1
566 helper. Former head comment from this helper moved here, adjusted to
567 account for the interface changes.
568 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
569 (all_zeros_p): Likewise.
570 * gimplify.c (gimplify_init_constructor): Decide whether we can make
571 static versions of the constructor from the categorize_ctor_elements
572 return value instead of the formerly computed number of non-constant
575 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
577 * configure: Regenerate.
578 * Makefile.in (build_libsubdir): New configure substitution
579 (build_libobjdir): New variable.
580 (BUILD_LIBIBERTY): Use it.
582 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
585 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
587 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
590 * c-common.c (handle_weakref_attribute): Ignore attribute in
591 the same conditions the alias attribute is ignored.
593 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
595 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
596 (dbxout_begin_prologue): Increment scope_labelno.
598 2006-07-17 Richard Henderson <rth@redhat.com>
601 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
604 2006-07-17 Roger Sayle <roger@eyesopen.com>
605 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
607 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
608 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
609 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
610 functions such as sbrk, write, etc.. Add function prototypes.
611 Convert function declarations from K&R to ISO C. Cast pointers
612 to "long" and "unsigned long" instead of "int" and "unsigned int".
613 Convert tokens following #endif into comments.
615 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
617 * invoke.texi: Remove mention of f77; Reformat table for
618 inline parameter options correctly; mention that -malign-double
619 is default on x86-64 targets.
621 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
623 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
624 (convert_affine_scev, chrec_convert_aggressive): Use
625 avoid_arithmetics_in_type_p. Do not check for the subtypes
628 2006-07-17 Richard Sandiford <richard@codesourcery.com>
631 * optabs.c (expand_doubleword_shift): Wrap the call to
632 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
634 2006-07-17 Richard Sandiford <richard@codesourcery.com>
637 * optabs.c (expand_binop): Pass next_methods rather than methods
638 to expand_doubleword_shift.
640 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
643 * tree.h (dump_addr): Declare.
644 * print-tree.c (dump_addr): New function.
645 (print_node_brief, print_node): Use it.
646 * print-rtl.c (print_rtx): Likewise.
647 * common.opt (-fdump-noaddr): New option.
648 * doc/invoke.texi (-fdump-noaddr): Document.
649 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
650 (ve_info_hash): Likewise.
652 2006-07-13 Andrew Haley <aph@redhat.com>
654 PR tree-optimization/19505
655 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
656 edge leaving this block, make sure that the destination of this
657 block has only one predecessor.
659 2006-07-17 Richard Guenther <rguenther@suse.de>
661 PR tree-optimization/28238
662 * tree-inline.c (copy_bb): Check if we produced valid
663 gimple copying and substituting a stmt. If not, gimplify
666 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
668 * optabs.c (maybe_encapsulate_block): New function extracted from...
669 (emit_libcall_block): ...here. Invoke it on the block of insns to
670 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
671 (emit_no_conflict_block): Likewise.
673 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
675 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
677 2006-07-15 Roger Sayle <roger@eyesopen.com>
679 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
680 a new NOP_EXPR case of the switch statement.
682 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
685 * stor-layout.c (place_field): Take the bit field with
686 an excessive size into account in the ms-bitfiled case.
689 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
690 the previous bit field.
692 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
695 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
697 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
699 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
700 signal frames correctly even when the signal was installed with
703 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
705 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
706 (dbxout_function_end): Use local label LFBB. Remove hook
708 (dbxout_source_line): Use local label LFBB.
709 (dbxout_block): Likewise.
710 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
711 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
712 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
715 2006-07-13 Janis Johnson <janis187@us.ibm.com>
717 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
719 2006-07-13 Jan Hubicka <jh@suse.cz>
721 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
723 * output.h (align_variable): Declare.
724 * varasm.c (align_variable): Export.
725 * value-prof.c (tree_value_profile_transformations): Recompute iterator
726 when basic block changed.
728 2006-07-13 Nick Clifton <nickc@redhat.com>
730 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
731 walking the LOG_LINKS chain.
733 2006-07-12 Geoffrey Keating <geoffk@apple.com>
735 * doc/invoke.texi (C++ Dialect Options): Explain difference
736 between -fvisibility-inlines-hidden and setting hidden
737 visibility explicitly.
739 2006-07-12 Eric Christopher <echristo@apple.com>
741 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
742 (stmp-lipo): Depend on libgcc.a.
744 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
746 * tree.c: Fix a comment typo.
748 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
750 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
752 (umulhisi3_r): Likewise.
754 2006-07-12 Paolo Carlini <pcarlini@suse.de>
757 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
758 x < 19, vs wchar_t support.
760 2006-07-12 Nick Clifton <nickc@redhat.com>
762 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
765 2006-07-12 Mike Stump <mrs@apple.com>
767 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
769 2006-07-10 Eric Christopher <echristo@apple.com>
771 * config/t-slibgcc-darwin: Rewrite.
773 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
776 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
779 2006-07-08 Matthias Klose <doko@debian.org>
781 * doc/sourcebuild.texi: Fix typo.
783 2006-07-07 Mike Stump <mrs@apple.com>
785 * toplev.c (process_options): Don't give -ffunction-sections may
786 affect debugging warning for Mach-O.
788 2006-07-07 James E Wilson <wilson@specifix.com>
790 * config/mips/mips.md (cpu): Add sb1a.
791 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
792 addition to sb1. Adjust comments to clarify SB-1A differences from
794 (ir_sb1a_load): New. Modify bypasses to use it.
795 (ir_sb1a_simple_alu): Likewise.
796 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
797 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
798 (mips_issue_rate): Add PROCESSOR_SB1A.
799 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
800 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
801 (TARGET_SB1): Add PROCESSOR_SB1A check.
802 (TUNE_SB1): Likewise.
804 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
805 * config/mips/mips.c (mips_store_data_bypass_p): New.
806 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
809 2006-07-08 Paul Brook <paul@codesourcery.com>
812 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
814 2006-07-07 Richard Guenther <rguenther@suse.de>
817 * tree.h (build_one_cst): Declare.
818 * tree.c (build_one_cst): New function.
819 * tree-ssa-math-opts.c (get_constant_one): Remove.
820 (insert_reciprocals): Use build_one_cst.
821 * fold-const.c (fold_plusminus_mult): Likewise.
823 2006-07-07 Roger Sayle <roger@eyesopen.com>
825 * pointer-set.c (pointer_set_destroy): Correct whitespace.
826 * cfgloopanal.c (dump_graph): Likewise.
827 * dojump.c (discard_pending_stack_adjust): Likewise.
828 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
830 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
831 * function.c (finalize_block_changes): Likewise.
832 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
833 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
834 * rtl.c (dump_rtx_statistics): Likewise.
835 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
837 * varray.c (dump_varray_statistics): Likewise.
838 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
839 decode_decimal64, encode_decimal128, decode_decimal128,
840 decimal_real_to_decimal): Likewise.
842 2006-07-07 Richard Guenther <rguenther@suse.de>
844 PR tree-optimization/28187
845 * tree-vrp.c (vrp_operand_equal_p): New function.
846 (vrp_bitmap_equal_p): Likewise.
847 (update_value_range): Use them to compare old and new
850 2006-07-06 Roger Sayle <roger@eyesopen.com>
852 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
853 a default case to switch statement to silence compiler warnings.
855 2006-07-06 Roger Sayle <roger@eyesopen.com>
858 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
859 the configured assembler supports the x87's ffreep mnemonic.
860 * configure: Regenerate.
861 * config.in: Regenerate.
863 * config/i386/i386.c (output_387_ffreep): New function.
864 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
865 (output_387_reg_move): Likewise.
867 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
869 Port to hosts whose 'sort' and 'tail' implementations
870 treat operands with leading '+' as file names, as POSIX
871 has required since 2001. However, make sure the code still
872 works on pre-POSIX hosts.
873 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
874 which says you should use "tail -c +N" rather than "tail +Nc".
875 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
877 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
879 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
882 2006-07-06 David Edelsohn <edelsohn@gnu.org>
885 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
886 PRE_{INC,DEC} of TFmode.
888 2006-07-06 David Edelsohn <edelsohn@gnu.org>
889 Alan Modra <amodra@bigpond.net.au>
892 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
895 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
898 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
899 Remove duplicate gtu.
901 2006-07-05 Jason Merrill <jason@redhat.com>
905 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
906 * c-common.c (handle_packed_attribute): So don't copy it here.
907 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
909 2006-07-05 Mike Stump <mrs@apple.com>
911 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
913 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
916 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
918 2006-07-05 Richard Guenther <rguenther@suse.de>
921 * config/i386/i386.md (*negdf2_1): Restrict pattern to
922 TARGET_SSE2 targets if using SSE math.
923 (*absdf2_1): Likewise.
925 2006-07-05 Richard Guenther <rguenther@suse.de>
927 PR tree-optimization/28162
928 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
929 make sure to convert the operands to the correct type.
931 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
933 PR tree-optimization/28218
935 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
936 to calculate and free the dominator information.
938 2006-07-04 Peter O'Gorman <peter@pogma.com>
940 * mklibgcc.in: chmod 644 before ranlib during install.
942 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
943 J"orn Rennecke <joern.rennecke@st.com>
945 * configure.ac (.eh_frame data check): Use diff -b.
947 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
950 * Makefile.in (BUILD_RTL): Add build/vec.o.
951 (build/gencondmd.o): Filter out -fkeep-inline-functions.
952 (build/genextract): Delete.
953 (build/genautomata): Likewise.
955 2006-07-04 Alan Modra <amodra@bigpond.net.au>
958 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
959 128-bit IBM long doubles for ABI_V4.
961 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
963 * tree.c (range_in_array_bounds_p): New predicate.
964 * tree.h (range_in_array_bounds_p): Declare it.
965 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
966 return a less conservative answer.
967 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
969 (IS_ELEMENT_FOR_GROUP): New macro.
970 (FOR_EACH_ACTUAL_CHILD): Likewise.
971 (next_child_for_group): New helper function.
972 (can_completely_scalarize_p): Take into account groups.
973 (sra_hash_tree): Handle RANGE_EXPR.
974 (sra_elt_eq): Likewise.
975 (lookup_element): Be prepared for handling groups.
976 (is_valid_const_index): Delete.
977 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
978 instead of is_valid_const_index.
979 <ARRAY_RANGE_REF>: New case.
980 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
981 is_valid_const_index.
982 <ARRAY_RANGE_REF>: Do not unconditionally punt.
983 (scan_dump): Dump info for groups too.
984 (decide_instantiation_1): Likewise.
985 (decide_block_copy): Assert that the element is not a group.
986 Propagate decision to groups.
987 (generate_one_element_ref): Handle RANGE_EXPR.
988 (mark_no_warning): Iterate over actual childs.
989 (generate_copy_inout): Likewise.
990 (generate_element_copy): Likewise.
991 (generate_element_zero): Likewise.
992 (generate_element_init_1): Likewise.
993 (dump_sra_elt_name): Handle RANGE_EXPR.
995 2006-07-03 Roger Sayle <roger@eyesopen.com>
997 PR tree-optimization/26251
998 * tree-ssa-threadupdate.c (redirection_block_p): New function.
999 (thread_block): When optimizing for size refuse to thread jumps
1000 that would require duplication of blocks other than redirection
1003 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1005 * configure.ac: Fix thinko in previous check-in.
1006 * configure: Regenerate.
1008 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1011 * configure.ac (for lang...): Simplify nesting of conditionals.
1012 Test subdir_requires for non-enabled languages. Move processing
1013 of lang_opt_files and lang_tree_fiels below that test.
1014 * configure: Regenerate.
1015 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1017 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1019 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1021 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1023 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1026 2006-06-29 Jason Merrill <jason@redhat.com>
1033 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1034 * c-common.c (c_determine_visibility): Handle it here.
1035 * c-decl.c (finish_decl): Call c_determine_visibility for
1037 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1039 * varasm.c (default_assemble_visibility): Likewise.
1040 * c-common.c (handle_visibility_attribute): Complain about trying
1041 to give visibility to an already defined class, or trying to change
1042 declared visibility. Always attach the attribute.
1047 * attribs.c (decl_attributes): Ignore type-in-place attributes
1048 once the type has been defined.
1050 2006-06-29 Roger Sayle <roger@eyesopen.com>
1053 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1054 to indicate the cpplib has issued an error message for us.
1056 2006-06-29 Asher Langton <langton2@llnl.gov>
1059 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1060 insert a label at the end of an function under Mach-O.
1062 2006-06-29 Eric Christopher <echristo@apple.com>
1063 Evan Cheng <evan.cheng@apple.com>
1065 * predicates.md (vector_all_ones_operand): New.
1066 (nonimmediate_or_sse_const_operand): Ditto.
1067 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1068 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1069 (standard_sse_mode_p): Ditto.
1070 (standard_sse_constant_p): Add case for -1 vector.
1071 (ix86_expand_vector_move): Try to use.
1072 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1073 Call standard_sse_constant_opcode.
1074 (*movv4sf_internal): Ditto.
1075 (*movv2df_internal): Ditto.
1077 2006-06-29 Roger Sayle <roger@eyesopen.com>
1079 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1080 of XEXP to extract the operands of a MATCH_CODE rtx.
1082 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1084 * tree.c (tree_size): Do not waste tail padding in
1085 struct tree_string and make the size be the same as
1086 build_string will generate.
1088 2006-06-28 Jason Merrill <jason@redhat.com>
1091 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1092 may_aliases already in the tag's annotations to the bitmap.
1094 2006-06-28 Roger Sayle <roger@eyesopen.com>
1096 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1098 2006-06-28 Roger Sayle <roger@eyesopen.com>
1100 * genpreds.c (generate_switch_p): New function.
1101 (add_mode_tests): Push the new mode test down inside an AND expr
1102 if this allows the switch-suitable MATCH_CODE to be near the root.
1103 (write_match_code_switch): New function to write a MATCH_CODE as
1105 (write_predicate_stmts): New function to write a predicate RTX
1106 expression as a sequence of statements.
1107 (write_one_predicate_function): Use write_predicate_stmts.
1108 (write_tm_constrs_h): Likewise.
1110 2006-06-26 Fred Fish <fnf@specifix.com>
1112 * config/mips/t-sb1: New file.
1113 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1116 2006-06-26 DJ Delorie <dj@redhat.com>
1118 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1120 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1121 Jayant Sonar <jayants@kpitcummins.com>
1122 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1124 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1125 (subsi3, subsi3_1, subsi3_2): New.
1126 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1127 * config/m32c/mov.md (SI mov peephole): New.
1128 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1129 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1131 2006-06-26 Olivier Hainque <hainque@adacore.com>
1133 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1134 a CALL_EXPR target function declaration.
1136 2006-06-26 Richard Guenther <rguenther@suse.de>
1138 * tree.c (build_string): Do not waste tail padding in
1141 2006-06-26 Richard Guenther <rguenther@suse.de>
1143 * ggc-page.c (init_ggc): Add missing element to size_lookup
1147 2006-06-23 Richard Guenther <rguenther@suse.de>
1149 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1150 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1151 alignment requests instead. Add verification code.
1152 Add struct tree_function_decl and struct tree_binfo size to
1153 extra_order_size_table. Add missing element to size_lookup
1156 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1159 * fold-const.c (const_binop): Be prepared for self returning zero.
1160 Simplify code handling complex values.
1162 2006-06-24 Olivier Hainque <hainque@adacore.com>
1164 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1165 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1168 2006-06-24 Olivier Hainque <hainque@adacore.com>
1170 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1171 ARRAY_REF, so have the callback called for the low bound expression.
1173 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1175 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1176 * c-typeck.c (c_common_type): Disallow operations on decimal float
1177 types and other float types.
1178 * convert.c (convert_to_real): Don't ignore conversions involving
1179 decimal float types.
1181 2006-06-23 Olivier Hainque <hainque@adacore.com>
1183 * tree.c (max_int_size_in_bytes): New function, inspired from
1184 code in function.c:assign_temp.
1185 * tree.h (max_int_size_in_bytes): Declare.
1186 * function.c (assign_temp): Use it.
1187 * gimplify.c (create_tmp_var): Relax the assertions on the type
1188 properties, not mandating constant size any more.
1189 (force_constant_size): New static function.
1190 (gimple_add_tmp_var): Use it, forcing variable size to a
1191 constant upper bound if it is not constant on entry.
1193 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1196 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1197 for initialization and setting of one_only flag to ...
1198 (i386_pe_encode_section_info): ...here.
1199 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1200 Recheck that the symbol has not been defined.
1202 2006-06-23 Richard Guenther <rguenther@suse.de>
1204 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1205 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1206 alignment requests instead. Add verification code.
1207 Add struct tree_function_decl and struct tree_binfo size to
1208 extra_order_size_table. Add missing element to size_lookup
1211 2006-06-22 Roger Sayle <roger@eyesopen.com>
1212 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1215 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1216 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1218 2006-06-23 Ben Elliston <bje@au.ibm.com>
1220 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1221 negate dn -- manipulate it directly.
1223 2006-06-22 Roger Sayle <roger@eyesopen.com>
1224 Steven Bosscher <stevenb.gcc@gmail.com>
1227 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1228 generated by gen_move_insn to add REG_LABEL notes if necessary.
1230 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1232 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1233 (leaf_entry): Remove use of MIN_ESA.
1235 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1237 PR rtl-optimization/28121
1238 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1241 2006-06-21 DJ Delorie <dj@redhat.com>
1243 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1245 (mulhisi3_r): Likewise.
1247 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1250 * coverage.c (coverage_counter_alloc): Leave the index type
1252 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1255 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1257 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1258 section from the "Options for Code Generation Conventions".
1260 2006-06-21 Richard Henderson <rth@redhat.com>
1264 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1266 (global_symbolic_operand): Allow weak symbols, even if local_p.
1268 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1270 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1271 (find_interesting_uses_address): Punt if above function returns true.
1273 2006-06-21 Richard Guenther <rguenther@suse.de>
1275 * configure: Regenerated.
1277 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1279 * config/mips/mips.c (function_arg): Where one part of a
1280 complex argument is in registers and the other part in the stack,
1281 return a REG not a PARALLEL.
1283 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1285 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1286 when cross-compiling. Do not substitute libstdcxx_incdir.
1287 * configure: Regenerated.
1289 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1291 * varasm.c (mergeable_string_section): Check for embedded NULs and
1292 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1293 rather than TREE_STRING_LENGTH bytes.
1295 2006-06-21 Richard Guenther <rguenther@suse.de>
1297 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1298 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1301 2006-06-21 Richrad Guenther <rguenther@suse.de>
1303 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1304 Limit iteration over the dominators.
1306 2006-06-20 Roger Sayle <roger@eyesopen.com>
1308 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1309 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1311 2006-06-20 Richard Guenther <rguenther@suse.de>
1312 Michael Matz <matz@suse.de>
1314 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1316 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1317 * et-forest.h (et_free_pools): Prototype new function.
1318 * et-forest.c (et_free_tree_force): Free parent occurrence.
1319 (et_free_pools): New function.
1320 * dominance.c (free_dominance_info): Free et-forest alloc
1323 2006-06-20 Roger Sayle <roger@eyesopen.com>
1325 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1326 integer modes, attempt to directly construct an integer constant.
1328 * fold-const.c (native_encode_vector): Determine the size of each
1329 element from the vector type instead of the first vector element.
1331 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1332 if all of its elements/components are constant.
1333 (build_constructor_from_list): Likewise.
1335 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1337 PR tree-optimization/27331
1338 * tree-data-ref.c (free_data_ref): New function.
1339 (create_data_ref): Fail if the data reference has unknown access
1341 (free_data_refs): Use free_data_ref.
1343 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1346 * tree-inline.c (setup_one_parameter): Strip useless
1347 type conversion before adding it to the IR.
1348 (declare_return_variable): Likewise.
1350 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1353 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1355 2006-06-19 Mike Stump <mrs@apple.com>
1357 * tree.c (variably_modified_type_p): VM arguments don't make the
1360 2006-06-19 Richard Guenther <rguenther@suse.de>
1362 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1363 type conversions after folding.
1365 2006-06-19 Richard Guenther <rguenther@suse.de>
1367 * ggc-page.c (extra_order_size_tab): Add entries with
1368 size of struct function and basic_block.
1369 (size_lookup): Extend to cover sizes up to 511.
1370 (ggc_alloc_stat): Adjust user.
1371 (ggc_pch_count_object): Likewise.
1372 (ggc_pch_alloc_object): Likewise.
1373 (ggc_pch_write_object): Likewise.
1375 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1377 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1378 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1381 2006-06-19 Denis Chertykov <denisc@overta.ru>
1383 * config/avr/libgcc.S : Correct my wrong previous commit.
1385 2006-06-19 Roger Sayle <roger@eyesopen.com>
1388 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1389 have stripped a SUBREG from the shift count, so we may need to
1390 convert_to_mode back to the type's mode before calling make_tree.
1391 Use new_amount instead of amount to avoid expanding a tree twice.
1393 2006-06-19 Richard Guenther <rguenther@suse.de>
1396 * fold-const.c (operand_equal_p): Check if the argument types
1397 have the same precision before stripping NOPs.
1399 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1401 Fix PR tree-optimization/27341
1402 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1404 * tree-complex.c (pass_lower_complex): Update SMT usage.
1406 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1408 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1409 Add a new alternative to the constraint strings. Add move of
1410 operand 1 to 3 to the splitter definition.
1411 ("doloop_si_long"): Second contraint alternative removed.
1413 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1415 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1416 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1418 (AVR_HAVE_MOVW) Define.
1419 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1420 (ASM_SPEC): Add avr25.
1421 (LINK_SPEC): Add avr25.
1422 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1423 (base_arch_s): Add new member 'have_movw_lpmx'.
1424 (avr_arch_types): Init 'have_movw_lpmx'.
1425 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1426 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1427 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1428 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1429 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1431 (avr_file_start): Do not output '.arh' derective.
1432 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1433 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1434 * config/avr/avr.md (mcu_enhanced): Delete.
1435 (mcu_have_movw): Define.
1436 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1437 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1438 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1439 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1440 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1441 attiny861 and at86rf401 devices.
1443 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1445 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1448 2006-06-17 Karl Berry <karl@gnu.org>
1450 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1451 doc/gccint.texi, doc/install.texi (@dircategory): Use
1452 "Software development" instead of "Programming", following
1453 the Free Software Directory.
1455 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1457 * config/i386/i386.c (legitimate_tls_address)
1458 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1459 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1460 (*tls_dynamic_gnu2_combine_64): Likewise.
1462 2006-06-16 Richard Guenther <rguenther@suse.de>
1465 * fold-const.c (negate_expr_p): Do not introduce undefined
1466 overflow in negating INTEGER_CSTs.
1467 (fold_negate_expr): Rename from negate_expr. Revert last
1468 change for folding BIT_NOT_EXPR. Change semantics to
1469 return NULL_TREE for non-simplified negations. Do not
1470 strip type conversions and unify type handling.
1471 (negate_expr): New function, wrap around fold_negate_expr
1472 but ensure building a tree always. Strip type conversions
1473 here, fold to result type.
1474 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1476 2006-06-16 Roger Sayle <roger@eyesopen.com>
1479 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1480 that (would) return their results in stack registers.
1482 2006-06-16 Michael Matz <matz@suse.de>
1483 Richard Guenther <rguenther@suse.de>
1485 * fold-const.c (fold_truthop): Only return new tree node if
1486 we canonicalized something.
1488 2006-06-16 Richard Guenther <rguenther@suse.de>
1490 * function.h (enum function_frequency): Move declaration
1491 out of struct function.
1492 (struct function): Move bool fields and the enum to the bitfield
1493 section. Reorder elements to avoid padding. Remove unused
1494 fields left over from the RTL inliner removal.
1495 * function.c (free_after_compilation): Do not zero removed fields.
1496 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1497 (ipa-type-escape.o): Likewise.
1499 2006-06-16 Richard Guenther <rguenther@suse.de>
1501 * cgraph.h (struct cgraph_local_info): Turn bool elements
1503 (struct cgraph_node): Likewise.
1504 (struct cgraph_varpool_node): Likewise.
1506 2006-06-15 Richard Guenther <rguenther@suse.de>
1508 * fold-const.c (fold_truth_not_expr): Rename from
1509 invert_truthvalue. Give it fold_* semantics to avoid
1511 (invert_truthvalue): New function. Wrapper around
1512 fold_truth_not_expr.
1513 (optimize_minmax_comparison): Avoid creating garbage.
1514 (fold_unary): Use fold_truth_not_expr for folding
1516 (fold_ternary): Replace uses of invert_truthvalue with
1517 fold_truth_not_expr where applicable.
1518 * tree.h (fold_truth_not_expr): Prototype.
1520 2006-06-16 Richard Guenther <rguenther@suse.de>
1522 PR tree-optimization/27781
1523 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1524 * ipa-pure-const.c (target.h): Include.
1525 (analyze_function): Do not analyze functions that do not
1528 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1531 * tree-dfa.c (referenced_vars_dup_list): Remove.
1532 (find_referenced_vars): Remove assert.
1533 (referenced_var_check_and_insert): Replace dup list with assert.
1534 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1535 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1537 2006-06-15 Richard Guenther <rguenther@suse.de>
1539 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1540 extra unused identifiers if not dumping.
1541 (create_variable_info_for): Likewise.
1543 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1545 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1546 (derive_constant_upper_bound): Derive more precise upper bound in
1547 common cases. Return type changed to double_int.
1548 (record_estimate): Reflect the changed return type of
1549 derive_constant_upper_bound.
1550 * double-int.c (double_int_zext, double_int_sext): Fix.
1552 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1554 * configure.ac (CFLAGS): Get them from the toplevel or from the
1555 configure invocation.
1556 * configure: Regenerate.
1557 * Makefile.in (CFLAGS): Substitute value provided by configure.
1559 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1562 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1563 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1564 rather than calling add_stmt on it.
1565 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1567 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1570 * reload1.c (reload): Remove registers returned by update_eliminables
1571 from used_spill_regs.
1573 2006-06-13 DJ Delorie <dj@redhat.com>
1575 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1577 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1579 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1580 html__strip_dir, html__mkdir_p. Enhance install-html target.
1581 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1582 * configure: Regenerate.
1584 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1586 * fold-const.c (fold_cond_expr_with_comparison): Check for
1587 Objective-C++ as language in deciding COND_EXPR transformation.
1589 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1592 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1593 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1594 * config/sh/lib1funcs.h (SL, SL1): Define.
1595 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1596 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1597 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1598 (OBJS_Os_4_200): New variable.
1599 ($(T)libgcc-Os-4-200.a): Use it.
1600 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1601 when dividing 1 and/or by 0.
1603 2006-06-13 Roger Sayle <roger@eyesopen.com>
1605 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1606 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1607 * configure: Regenerate.
1609 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1611 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1612 for real instruction.
1614 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1617 * haifa-sched.c (check_cfg): Handle special case.
1619 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1622 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1623 Add debug_info parameter. Chain the vars to the BLOCK instead
1624 of the BIND_EXPR if debug info are requested for them.
1625 (pop_gimplify_context): Adjust for above change.
1626 (gimple_add_tmp_var): Likewise.
1627 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1629 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1630 (convert_local_reference): Likewise.
1631 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1632 (finalize_nesting_tree_1): Request that debug info be emitted
1633 for debug_var_chain.
1635 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1637 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1638 for PR target/27863.
1640 2006-06-13 Richard Guenther <rguenther@suse.de>
1643 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1645 2006-06-13 Richard Guenther <rguenther@suse.de>
1647 PR tree-optimization/27830
1648 * tree-inline.c (copy_body_r): For copying the operand
1649 of an ADDR_EXPR make sure to fold &* afterwards.
1651 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1653 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1654 lvalues in the fb_none case with side-effects.
1656 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1658 * tree-flow.h: Remove the prototype for
1659 compute_phi_arg_on_exit.
1660 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1661 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1664 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1666 * builtins.c (expand_builtin_return_addr): Only use
1667 frame_pointer_rtx when count == 0 and we are expanding
1668 __builtin_return_address.
1670 2006-06-12 Fred Fish <fnf@specifix.com>
1672 * config/mips/mips.c (mips_file_start): Create special section
1673 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1675 2006-06-11 Eric Christopher <echristo@apple.com>
1678 * stor-layout.c (place_field): Remove check for
1679 remaining_in_alignment when aligning at the end of a run.
1681 2006-06-11 Eric Christopher <echristo@apple.com>
1684 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1687 2006-06-11 Roger Sayle <roger@eyesopen.com>
1690 Revert incorrect fix for PR target/27158
1691 2006-05-08 Roger Sayle <roger@eyesopen.com>
1692 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1693 of a reg_equiv_constant if the result is a legitimate constant.
1695 2006-06-11 Roger Sayle <roger@eyesopen.com>
1698 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1699 extract a CONST_VECTOR element and interpret it as an integer.
1700 (vspltis_constant): Use const_vector_elt_as_int instead of the
1701 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1702 * config/rs6000/predicates.md (easy_vector_const): Consider
1703 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1705 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1708 * stor-layout.c (update_alignment_for_field): Don't add extra
1709 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1712 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1714 * config/mips/t-rtems: Add EL/EB multilib variants.
1716 2006-06-09 Mike Stump <mrs@apple.com>
1718 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1720 2006-06-09 David Daney <ddaney@avtrex.com>
1722 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1724 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1726 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1728 2006-06-09 Richard Guenther <rguenther@suse.de>
1730 PR tree-optimization/26998
1731 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1732 of signed types, only TYPE_MIN_VALUE is special, but for both,
1733 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1734 in this case, as is -fwrapv.
1736 2006-06-08 Mike Stump <mrs@apple.com>
1739 * config/darwin.c (darwin_asm_output_anchor): Disable
1740 -fsection-anchors on darwin for now.
1741 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1742 * rs6000/rs6000.c (optimization_options): Likewise.
1744 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1747 * config/i386/i386.c (classify_argument): Skip fields with invalid
1750 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1752 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1753 (cse_insn): Likewise for the stack_pointer_rtx.
1755 2006-06-08 Roger Sayle <roger@eyesopen.com>
1757 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1758 conditions from floating point comparisons.
1760 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1763 * expmed.c (struct alg_hash_entry): Fix type of field T
1764 to match synth_mult argument.
1765 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1767 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1770 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1773 2006-06-08 Richard Guenther <rguenther@suse.de>
1776 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1777 only, if overflow is defined and not trapping.
1778 (negate_expr): Likewise.
1780 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1782 PR tree-optimization/27872
1783 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1784 flag on the new exit edge of the unrolled loop.
1786 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1788 PR rtl-optimization/26449
1789 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1791 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1794 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1795 referenced_variables with matching DECL_UID's.
1796 (find_referenced_vars): Make sure duplicate list is empty to start.
1797 (referenced_var_p): Remove.
1798 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1799 Check if var is in the list, and add if needed. Update the duplicate
1800 list if a different var is in the list with the same DECL_UID.
1801 (add_referenced_var): Call routine to check and insert.
1802 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1803 * tree-flow.h (referenced_vars_dup_list): External declaration.
1805 2006-06-07 Fred Fish <fnf@specifix.com>
1807 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1810 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1813 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1814 the imaginary and real parts of a clobbered register.
1815 Emit insn to set the imaginary part.
1817 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1819 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1820 in lieu of unwind-dw2-fde.c.
1822 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1824 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1826 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1829 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1830 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1831 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1832 V4SImode temporaries and operations instead.
1834 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1836 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1839 2006-06-06 Mike Stump <mrs@apple.com>
1841 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1842 installing during build.
1844 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1846 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1848 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1849 * config/ia64/ia64.c (params.h): New header.
1850 (ia64_optimization_options): New function to adjust parameters.
1851 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1852 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1853 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1855 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1857 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1859 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1862 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1864 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1865 Victor Kaplansky <victork@il.ibm.com>
1867 PR tree-optimization/26360
1868 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1871 2006-06-04 Roger Sayle <roger@eyesopen.com>
1872 Andrew Pinski <pinskia@physics.uc.edu>
1875 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1876 for LABEL_DECL before calling DECL_WEAK.
1879 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1880 LABEL_DECL and PARM_DECL.
1882 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1886 * c-decl.c (grokdeclarator): Disallow variably modified types at
1887 file scope. Avoid marking shared array type of constant size as
1890 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1893 * c-common.c (fold_offsetof_1): Handle static members.
1895 2006-06-04 Eric Christopher <echristo@apple.com>
1897 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1898 (debug_rli): Output value for remaining_in_alignment.
1899 (update_alignment_for_field): Unconditionalize
1900 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1901 extra alignment code.
1902 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1903 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1904 * tree.h (record_layout_info_s): Remove prev_packed.
1905 * doc/extend.texi (ms_struct): Add documentation of format.
1907 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1909 * tree.h: Declare folding_initializer.
1910 * builtins.c (fold_builtin_constant_p): Give definite answer
1911 if folding inside an initializer.
1912 * fold-const.c: Define folding_initializer.
1913 (START_FOLD_INIT): Save and then set folding_initializer.
1914 (END_FOLD_INIT): Restore folding_initializer.
1916 2006-06-04 Richard Guenther <rguenther@suse.de>
1918 PR tree-optimization/27039
1919 * fold-const.c (fold_comparison): Handle pointer comparison
1920 again for all comparison codes. Compare offsets in signed
1922 (fold_binary): Move code from here.
1924 2006-06-03 Roger Sayle <roger@eyesopen.com>
1927 * config/i386/i386.c (construct_container): Split static issued_error
1928 flag into issued_sse_arg_error, issued_sse_ret_error and
1929 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1930 requires the use of x87 registers and the user explicitly
1931 specified the -mno-80387 command line option.
1933 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1935 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1936 HAVE_DECL_SIGALTSTACK.
1938 (segv_handler): Use MC_FLD.
1939 * configure.ac: Check for a sigaltstack declaration.
1940 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1941 * configure: Regenerate.
1942 * config.in: Regenerate.
1944 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1947 * Makefile.in (stmp-fixinc): Fix typo.
1949 2006-06-02 Roger Sayle <roger@eyesopen.com>
1951 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1952 are type correct. Clean-up.
1953 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1954 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1956 2006-06-01 DJ Delorie <dj@redhat.com>
1958 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1959 shift, as we've disabled the "switch" insn that needs it.
1961 2006-06-01 Per Bothner <bothner@bothner.com>
1963 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1964 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1965 * c-ppoutput.c (cb_define): Don't increment line 0.
1967 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1969 * doc/invoke.texi: Add cpu_type power6.
1970 * config.gcc: Add cpu_type power6.
1971 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1972 to power5+ with Altivec.
1973 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1974 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1976 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1978 * config/avr/avr.h (SET_ASM_OP): Define.
1980 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1982 * config/bfin/bfin.c: Fix comment typos.
1984 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1987 * doc/install.texi: Document --enable-bootstrap and
1988 --disable-bootstrap.
1990 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1992 * doc/install.texi: Document that InfoZIP can replace jar.
1994 2006-05-31 Roger Sayle <roger@eyesopen.com>
1996 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1997 isn't available, directly generate the simpler x87 patterns without
1998 the (use (const_int 0)).
1999 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2000 implementation isn't available.
2001 (*negdf2_1): Likewise.
2002 (*negxf2_1): XF mode negation is always done using the x87.
2003 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2005 2006-05-31 Roger Sayle <roger@eyesopen.com>
2007 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2008 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2010 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2012 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2014 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2015 * config/bfin/bfin.c (basic-block.h): Include.
2016 (struct machine_function): New.
2017 (bfin_init_machine_status): New.
2018 (override_options): Initialize init_machine_status.
2019 (bfin_hardware_loop): New.
2020 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2021 (DEF_VEC_P (loop_info)): New.
2022 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2023 (struct loop_info): New.
2024 (loop_info): New typedef.
2025 (struct loop_work): New.
2026 (loop_work): New typedef.
2027 (DEF_VEC_O (loop_work)): New.
2028 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2029 (bfin_dump_loops): New.
2030 (bfin_bb_in_loop): New.
2031 (bfin_scan_loop): New.
2032 (bfin_optimize_loop): New.
2033 (bfin_reorg_loops): New.
2034 (bfin_reorg): Use bfin_reorg_loops.
2035 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2037 (I_REGNO_P): Simplify.
2038 (DP_REGNO_P, DPREG_P): New macros.
2039 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2040 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2041 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2042 Add LT_REGS, LC_REGS, LB_REGS.
2043 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2045 (REGNO_REG_CLASS): Deal with loop registers.
2046 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2048 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2049 New constants for loop registers.
2050 (UNSPEC_LSETUP_END): New.
2051 (seq_insns): New define_attr. Set it for appropriate insns.
2052 (movsi_insn): Add alternatives for move from/to
2053 loop count registers.
2054 (doloop_end): New define_expand.
2055 (loop_end): New define_insn.
2056 (define_split for bad doloop_end): New.
2057 (lsetup_with_autoinit): New define_insn.
2058 (lsetup_without_autoinit): New define_insn.
2059 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2060 * config/bfin/predicates.md (lc_register_operand): New.
2061 (lt_register_operand): New.
2062 (lb_register_operand): New.
2063 (nondp_register_operand): New.
2064 (nondp_reg_or_memory_operand): New.
2065 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2067 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2069 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2070 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2072 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2074 * Makefile.in (CATALOGS): Add po/ prefix.
2075 * configure: Regenerated.
2077 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2080 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2081 a shift operand before calling shift_op. Avoid redundant call of
2084 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2085 DJ Delorie <dj@redhat.com>
2087 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2088 we're inserting is a singlt-bit constant.
2090 2006-05-30 Roger Sayle <roger@eyesopen.com>
2092 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2093 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2095 2006-05-30 Roger Sayle <roger@eyesopen.com>
2097 PR tree-optimization/23452
2098 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2099 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2100 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2101 complex values and with -ffast-math for FP complex values.
2103 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2105 * c-common.h: Remove the prototype for yyparse.
2106 * rtl.h: Remove the prototype for init_loop.
2108 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2110 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2113 2006-05-30 Roger Sayle <roger@eyesopen.com>
2115 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2117 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2118 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2120 2006-05-30 Dirk Mueller <dmueller@suse.de>
2123 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2124 for CONSTANT_CLASS_P expresisons.
2126 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2129 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2131 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2133 PR tree-optimization/27779
2134 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2135 initial_condition instead of CHREC_LEFT.
2137 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2139 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2140 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2141 Make prototypes ISO C90.
2143 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2144 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2146 * see.c (see_analyze_one_def): Correct check.
2147 (see_get_extension_data): Check if extension is parallel.
2148 (see_get_extension_reg): Likewise.
2150 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2153 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2154 into register for (code == GTU).
2156 2006-05-29 Roger Sayle <roger@eyesopen.com>
2158 PR tree-optimization/24964
2159 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2160 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2161 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2162 abs(x)*abs(x) as x*x for scalar floating point modes.
2164 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2167 * lambda-code.c (perfect_nestify): Don't copy statements
2168 in the inner loop: move them to the inner loop header.
2170 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2173 * c-tree.texi: Document OpenMP directives and clauses.
2175 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2177 * varasm.c (globalize_decl): Fix indentation.
2179 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2182 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2183 pass_fre, pass_store_ccp, pass_copy_prop,
2184 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2185 pass_return_slot, pass_object_size, pass_lim,
2186 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2187 pass_loop_prefetch and pass_stdarg.
2189 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2191 * config/bfin/bfin.opt (mfdpic): New option.
2192 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2193 (EXTRA_MULTILIB_PARTS): Likewise.
2194 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2195 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2197 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2198 (CRT_CALL_STATIC_FUNCTION): New.
2199 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2201 (CRT_CALL_STATIC_FUNCTION): New.
2202 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2204 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2205 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2206 (initialize_trampoline): Changed to handle FD-PIC code generation.
2207 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2208 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2209 (override_options): Disallow -mid-shared-library -mfdpic combination.
2210 Can't do unaligned ops if FD-PIC.
2211 Turn off flag_pic if trying to generate non-id-shared-library
2212 non-fdpic code, since it's not supported.
2213 (bfin_assemble_integer): New function.
2214 (TARGET_ASM_INTEGER): Define.
2215 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2217 * config/bfin/crtn.s: Restore them.
2218 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2220 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2221 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2222 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2223 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2224 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2226 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2227 FDPIC_REGS and FDPIC_FPTR_REGS.
2228 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2229 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2230 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2231 (load_funcdescsi): New pattern.
2232 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2233 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2234 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2236 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2238 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2241 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2243 * tree-flow.h: Remove the prototype for add_type_alias.
2244 * tree-ssa-alias.c (add_type_alias): Remove.
2246 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2248 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2249 config/fr30/fr30.md, config/i386/i386-interix.h,
2250 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2251 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2252 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2253 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2254 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2255 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2256 Follow spelling conventions.
2257 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2258 Follow spelling conventions.
2260 2006-05-27 Richard Guenther <rguenther@suse.de>
2263 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2264 to produce a constant of value 1 of generic type.
2266 2006-05-27 Dirk Mueller <dmueller@suse.de>
2268 * cgraphunit.c (decide_is_function_needed): Fix wrong
2271 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2273 PR rtl-optimization/27661
2274 * reload.c (find_reloads): When reloading a VOIDmode constant
2275 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2276 use Pmode as mode of the reload register.
2278 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2280 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2281 is enabled at -O and above.
2283 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2286 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2289 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2292 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2293 for anonymous variables explicitly declared by front ends.
2295 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2297 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2298 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2299 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2300 ref-all pointers, run a finalization pass for them.
2301 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2302 (finalize_ref_all_pointers): New function.
2303 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2304 regular pointer type to a ref-all pointer type.
2305 (get_tmt_for): Return the special memory tag for ref-all pointers.
2307 2006-05-25 Richard Guenther <rguenther@suse.de>
2310 * fold-const.c (fold_binary): Do not look at the stripped
2311 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2313 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2315 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2316 for LT and GT if the computed range is effectively empty.
2318 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2321 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2322 mips_quad_format formats instead of ieee_single_format,
2323 ieee_double_format and ieee_quad_format formats, respectively.
2325 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2327 PR tree-optimization/27639
2328 PR tree-optimization/26719
2329 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2330 call to scev_probably_wraps_p.
2331 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2332 used_in_pointer_arithmetic_p, convert_step): Removed.
2333 (nowrap_type_p): New function.
2334 (scev_probably_wraps_p): Rewritten.
2335 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2336 chrec_convert if chrec_convert_aggressive might have been used.
2337 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2338 scev_direction): New functions.
2339 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2340 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2341 instead of convert_step.
2342 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2343 (convert_step): Declaration removed.
2344 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2346 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2348 * df-core.c: Added to header comments.
2349 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2350 df_ur_bb_info, df_urec_bb_info): Added comments.
2351 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2352 urec, ri problems): Fixed header comments.
2353 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2354 code from df_rd_transfer_function.
2356 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2358 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2359 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2360 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2362 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2364 * expr.c (undefined_operand_subword_p): New.
2365 (emit_move_multi_word): Do not generate move from undefined bits
2366 of a paradoxical subreg.
2368 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2370 PR rtl-optimization/27736
2371 * combine.c (replaced_rhs_value): New variable.
2372 (combine_instructions): Set it.
2373 (distribute_notes): When distributing a note in replaced_rhs_insn,
2374 check whether the value was used in replaced_rhs_value.
2376 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2379 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2380 add_referenced_var instead of add_referenced_tmp_var.
2381 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2382 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2384 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2385 tree_optimize_tail_calls_1): Use add_referenced_var.
2386 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2387 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2388 Use add_referenced_var.
2389 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2390 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2391 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2392 Use add_referenced_var.
2393 * tree-dfa.c (struct walk_state): Remove.
2394 (find_referenced_vars): Remove walk state and vars_found hash table.
2395 (make_rename_temp): Use add_referenced_var.
2396 (find_vars_r): Pass less parameters to add_referenced_var.
2397 (referenced_var_p): New. Is var in referenced_var hash table.
2398 (referenced_var_insert): Assert var isn't already in hash table.
2399 (add_referenced_var): Don't need walk_state parameter. Add var if it
2400 isn't already in the hash table.
2401 (add_referenced_tmp_var): Remove.
2402 (find_new_referenced_vars_1): Use add_referenced_var.
2403 * tree-ssa-pre.c (create_expression_by_pieces,
2404 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2405 Use add_referenced_var.
2406 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2407 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2408 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2410 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2411 vect_create_data_ref_ptr, vect_create_destination_var,
2412 vect_init_vector, vect_build_loop_niters,
2413 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2414 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2415 Use add_referenced_var.
2416 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2417 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2418 (add_referenced_var): Add prototype.
2419 * tree-ssa-structalias.c (get_constraint_for,
2420 intra_create_variable_infos): Use add_referenced_var.
2422 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2424 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2425 big-endian paradoxical subregs.
2426 * var-tracking.c (struct micro_operation_def): Document that,
2427 for modify micro operations, insn is the subsequent instruction.
2428 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2429 (var_reg_set, var_mem_set): ... new functions.
2430 (add_stores): Record subsequent insn.
2431 (compute_bb_dataflow): Use new functions for MO_USE.
2432 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2433 notes after the insn, and modify notes before the insn known
2434 to be the subsequent one.
2435 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2437 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2440 * config/i386/i386.c (ix86_expand_builtin): Use
2441 gen_sse3_monitor64 for TARGET_64BIT.
2443 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2445 PR rtl-optimization/26375
2446 PR rtl-optimization/26855
2447 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2449 (df_ru_bb_local_compute): Reversed statements and removed bogus
2450 comment explaining why they should be in wrong order.
2451 (df_ru_dump, df_rd_dump): Enhanced debug info.
2452 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2454 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2455 reaching uses and fixed space problem.
2457 2006-05-23 Jan Hubicka <jh@suse.cz>
2459 * cgraphunit.c (decide_is_function_needed): Also nested functions
2460 and functions declared inline can be optimized out at -O0.
2462 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2464 * doc/install.texi (Configuration): Remove reference to CrossGCC
2468 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2471 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2472 ix86_compare_emitted is non-NULL.
2474 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2477 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2480 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2482 PR rtl-optimization/25514
2483 * combine.c (replaced_rhs_insn): New variable.
2484 (combine_instructions): Set replaced_rhs_insn when trying to replace
2485 a SET_SRC with a REG_EQUAL note.
2486 (distribute_notes): Use replaced_rhs_insn when determining the live
2487 range of a REG_DEAD register.
2489 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2490 Anatoly Sokolov <aesok@post.ru>
2492 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2493 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2494 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2495 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2496 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2497 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2498 at90usb647, at90usb1286 and at90usb1287 devices.
2499 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2500 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2502 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2504 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2506 2006-05-22 Richard Guenther <rguenther@suse.de>
2509 2006-01-31 Richard Guenther <rguenther@suse.de>
2510 Paolo Bonzini <bonzini@gnu.org>
2512 * doc/install.texi (--disable-libgcc-math): Document.
2514 2006-05-22 Richard Guenther <rguenther@suse.de>
2517 2006-01-31 Richard Guenther <rguenther@suse.de>
2519 * doc/invoke.texi (-msselibm): Document.
2520 * target.h (expand_library_builtin): New target hook.
2521 * builtins.c (expand_builtin): Use expand_library_builtin.
2522 (default_expand_library_builtin): New function.
2523 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2524 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2525 (link_gcc_math_spec): Declare.
2526 (static_specs): Add link_gcc_math_spec.
2527 * expr.h (default_expand_library_builtin): Declare.
2528 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2529 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2530 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2531 * config/i386/i386.opt (msselibm): New target option.
2532 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2533 (ix86_init_sse_abi_builtins): New function.
2534 (ix86_expand_library_builtin): Likewise.
2535 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2536 (override_options): Handle error conditions wrt -msselibm.
2537 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2538 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2539 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2542 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2545 * c-common.c (self_promoting_args_p): Skip erroneous args.
2548 * c-decl.c (finish_struct): Skip erroneous fields.
2550 2006-05-22 Nick Clifton <nickc@redhat.com>
2552 * config/cris/cris.opt (march): Remove VarExists attribute.
2553 (max-stackframe=): Likewise.
2555 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2557 * doc/rtl.texi: Fix a typo.
2558 * see.c: Fix comment typos.
2560 * tree-ssa-structalias.h (alias_info): Remove num_references.
2562 2006-05-21 Mike Stump <mrs@apple.com>
2564 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2566 (darwin_pragma_options): Use BAD instead.
2567 (darwin_pragma_unused): Likewise.
2568 (darwin_pragma_ms_struct): Likewise.
2570 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2572 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2574 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2576 PR rtl-optimization/27671
2577 * simplify-rtx.c (simplify_relational_operation_1): Fix
2578 simplifications of (eq/ne (xor x y) y) and
2579 (eq/ne (xor x y) x).
2581 PR tree-optimization/26622.
2582 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2585 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2587 * tree-cfg.c: Prune whitespace.
2588 (debug_tree_cfg): Point to correct header containing the
2591 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2594 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2596 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2599 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2600 or sorry count is non zero.
2602 2006-05-20 Andreas Schwab <schwab@suse.de>
2604 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2606 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2607 Kenneth Zadeck <zadeck@naturalbridge.com>
2609 PR rtl-optimization/26855
2611 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2613 (df_scan_alloc): Added code to properly handle multiword hard
2614 registers and add all_blocks parameter.
2615 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2616 code to properly handle multiword hard registers.
2617 (df_rescan_blocks): Added code to remove deleted blocks from
2619 (df_ref_create_structure, df_ref_record): Added code to properly
2621 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2622 and set DF_REF_PARTIAL.
2623 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2624 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2625 (df_scan_add_problem): Added flags parameter.
2626 (df_ref_create_structure): Changed switching structure.
2627 (df_bb_refs_record): Fixed case where duplicate artificial refs
2628 were created. Changed location of flags.
2629 (df_record_entry_block_defs): Added code to make stack pointer
2630 live in entry block. Refined cases where frame pointer is needed.
2631 Changed location of flags.
2632 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2633 (df_set_state): Removed function.
2634 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2635 df_insn_create_insn_record, df_insn_refs_delete,
2636 df_ref_create_structure): Formatting changes.
2637 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2638 df_delete_basic_block): New function.
2639 (df_init): Changed location of flags.
2640 (df_add_problem): Added flags parameter and the way flags are
2642 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2643 debug_df_chain): Improved debugging output.
2644 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2645 (df_refs_chain_dump): Removed df parameter.
2646 (df_iterative_dataflow): Added consistency check.
2647 (df_prune_to_subcfg): Made public.
2648 (df_analyze_problem): Added blocks_to_init parameter and made
2650 (df_ref_record, df_bb_refs_record, df_mark_reg,
2651 df_record_exit_block_uses): Whitespace changes.
2652 (df_dump): Whitespace changes.
2653 * df.h: Some reordering to remove forward references.
2654 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2655 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2656 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2657 (dataflow.flags): New field.
2658 (df.flag): Deleted field.
2659 (df_alloc_function): Added additional bitmap parameter.
2660 (df_dependent_problem_function): New type.
2661 (df_problem.changeable_flags): New field.
2662 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2663 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2664 (df_mw_hardreg): New struct.
2665 (DF_INSN_UID_MWS): New macro.
2666 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2668 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2669 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2670 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2671 (df_set_state): Removed function.
2672 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2673 * df-problems.c (df_chain_dump): Removed df parameter.
2674 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2675 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2677 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2678 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2679 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2680 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2681 DF_REF_MUST_CLOBBER cases.
2682 (df_ru_bb_local_compute_process_def,
2683 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2684 df_lr_bb_local_compute, df_ur_bb_local_compute,
2685 df_chain_create_bb): Made subreg aware.
2686 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2687 df_lr_bb_local_compute, df_lr_bb_local_compute,
2688 df_chain_create_bb): Cleanup to use proper macros.
2689 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2690 code to fixup bitvectors.
2691 (df_ri_alloc): Cleared lifetime.
2692 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2693 df_create_unused_note): New function.
2694 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2695 REG_DEAD and REG_UNUSED notes as well as register information.
2696 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2697 df_chains_dump): Fixed crash if problem was never run.
2698 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2699 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2700 df_ri_add_problem): Processes flags in uniform manner.
2701 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2702 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2703 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2704 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2705 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2706 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2707 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2708 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2709 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2710 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2711 * see.c (see_initialize_data): Ditto.
2712 * final.c (rest_of_clean_state) Added regstack_completed.
2713 * rtl.h (regstack_completed): Ditto.
2714 * reg-stack.c (regstack_completed): Ditto.
2716 2006-05-19 Mike Stump <mrs@apple.com>
2718 * c-tree.h (default_conversion): Remove.
2719 * c-common.h (default_conversion): Add.
2721 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2723 * tree-vrp.c (valid_value_p): New function.
2724 (adjust_range_with_scev): Fail if the value of bound is not
2727 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2729 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2730 (mips_fallback_frame_state): Use syscall numbers to determine
2731 the appropriate li instruction for the current ABI. Only use
2732 __NR_sigreturn for o32.
2734 2006-05-19 Nicolas Setton <setton@adacore.com>
2736 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2737 * langhooks.c (lhd_dwarf_name): New function.
2738 * langhooks-def.h (lhd_dwarf_name): Declare.
2739 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2740 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2741 * ada/misc.c (gnat_dwarf_name): New function.
2742 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2744 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2746 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2748 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2749 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2750 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2751 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2752 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2753 determine the size of Wtype, etc.
2754 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2755 (swfloatfuncs): New variable.
2756 (dwfloatfuncs): Likewise.
2757 (lib2funcs): Remove floating-point conversion functions from
2758 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2759 the set of conversion routines needed. Allow entries to specify
2760 an object name, filename and word size. Update users accordingly.
2761 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2762 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2766 2006-02-08 Roger Sayle <roger@eyesopen.com>
2769 * config/fixtfdi.c: New libgcc source file.
2770 * config/fixunstfdi.c: New source file.
2771 * config/floatditf.c: New source file.
2772 * config/floatunditf.c: New souce file.
2773 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2774 files above instead of config/mips/_tilib.c.
2775 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2777 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2779 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2780 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2782 2006-05-18 Mike Stump <mrs@apple.com>
2784 Fix up vla, vm and [*] sematics.
2790 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2791 (c_vla_unspec_p): Add.
2792 (c_vla_type_p): Add.
2793 * c-decl.c (struct c_scope): Add had_vla_unspec.
2794 (build_array_declarator): Add support for [*].
2795 (grokdeclarator): Likewise.
2796 (grokparms): Likewise.
2797 (get_parm_info): Likewise.
2798 * c-objc-common.c (c_vla_unspec_p): Likewise.
2799 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2800 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2801 typeof when argument is a variably modified type not inside sizeof or alignof.
2802 (c_parser_direct_declarator_inner): Propagate errors.
2803 (c_parser_sizeof_expression): Add support for [*].
2804 (c_parser_parms_declarator): Initialize had_vla_unspec.
2805 (c_parser_parms_list_declarator): Likewise.
2806 * c-typeck.c (c_vla_type_p): Add.
2807 (composite_type): Add support for vla compositing.
2808 (comptypes_internal): Add support for vla compatibility.
2809 (c_expr_sizeof_expr): Evaluate vla arguments.
2810 * tree.c (variably_modified_type_p): Update comment for [*].
2812 2006-05-18 Michael Matz <matz@suse.de>
2815 * config.host: Make assignments to host_xmake_file cumulative.
2816 * config.host (*-darwin*): Test $host, not $target.
2818 2006-05-12 Stuart Hastings <stuart@apple.com>
2820 * config/i386/i386.opt (-mstackrealign): New flag.
2821 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2822 (ix86_handle_cconv_attribute): Emit error when
2823 force_align_arg_pointer attribute collides with too many regparms.
2824 (ix86_function_regparm): Limit regparms when used with
2825 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2826 Support stack-realigning prologue in non-main functions. Emit
2827 warning for nested functions under -mstackrealign, emit error for
2828 nested functions with force_align_arg_pointer attribute.
2829 * doc/extend.texi (force_align_arg_pointer): Document it.
2830 * doc/invoke.texi (-mstackrealign): Document it.
2832 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2834 PR rtl-optimization/27477
2835 * combine.c (try_combine): Don't split a parallel consisting
2836 of two sets into two individual sets if both sets reference
2839 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2841 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2842 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2844 * doc/options.texi (VarExists): Updated.
2846 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2848 * unwind-dw2.c: Add declarations for uw_update_context and
2850 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2851 detected, advance frame state and context once to skip over stub.
2853 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2857 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2858 Call rewrite_into_loop_closed_ssa only when something changed.
2859 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2860 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2861 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2862 Test for perfect_nest_p here. Fix formating.
2863 (replace_uses_equiv_to_x_with_y): Fix formating.
2864 (stmt_uses_op): Removed.
2865 (can_convert_to_perfect_nest): Removed loopivs parameter.
2866 Complete the test by checking the scalar dependences.
2867 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2870 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2873 From Dan Kegel <dank@kegel.com>:
2874 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2876 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2878 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2879 if the element type is variably modified without recursing.
2881 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2884 * tree-loop-linear.c (try_interchange_loops): Test for
2885 no data dependences.
2887 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2889 PR tree-optimization/27548
2890 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2891 range of ssa names that appear on abnormal edges.
2892 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2893 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2895 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2898 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2900 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2903 * tree.h (OMP_PARALLEL_COMBINED): Define.
2904 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2905 (new_omp_context): Add is_combined_parallel argument.
2906 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2907 new_omp_context caller.
2908 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2909 Adjust gimplify_scan_omp_clauses callers.
2910 (omp_is_private): Issue errors if iteration variable is firstprivate
2911 or reduction in the current context.
2912 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2913 on combined parallel workshare constructs.
2915 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2917 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2918 (gcc-options.o): New rule.
2920 * optc-gen.awk: Protect variables for gcc-options.o with
2921 #ifdef GCC_DRIVER/#endif.
2923 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2925 Fix PR tree-optimization/27373
2926 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2927 (forward_propagate_addr_expr): Update call.
2929 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2931 * doc/options.texi: Move the Negative option.
2933 2006-05-16 Richard Guenther <rguenther@suse.de>
2935 PR tree-optimization/22303
2936 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2938 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2939 ccp_fold did not simplify the statement.
2941 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2944 * Makefile.in (GCC_OBJS): New.
2945 (OBJS-common): Add opts-common.o.
2946 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2947 (cpp$(exeext)): Likewise.
2948 (gcc.o): Also depend on opts.h.
2949 (opts-common.o): New.
2951 * common.opt (gcoff): Add Negative(gdwarf-2).
2952 (gdwarf-2): Add Negative(gstabs).
2953 (gstabs): Add Negative(gstabs+).
2954 (gstabs+): Add Negative(gvms).
2955 (gvms): Add Negative(gxcoff).
2956 (gxcoff): Add Negative(gxcoff+).
2957 (gxcoff+): Add Negative(gcoff).
2958 * config/i386/i386.opt (m32): Add Negative(m64).
2959 (m64): Add Negative(m32).
2961 * doc/options.texi: Document the Negative option.
2963 * gcc.c: Include "opts.h".
2964 (main): Call prune_options after expandargv.
2966 * optc-gen.awk: Generate common declarations for all flag
2967 variables in options.c. Output the neg_index field.
2969 * opts.c (find_opt): Moved to ...
2970 * opts-common.c: Here. New file.
2972 * opts.h (cl_option): Add a neg_index field.
2974 (prune_options): Likewise.
2976 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2979 * omp-low.c (expand_omp_parallel): Don't assert
2980 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2981 instead search for it.
2984 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2987 2006-05-16 Andreas Schwab <schwab@suse.de>
2989 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2992 2006-05-15 Roger Sayle <roger@eyesopen.com>
2995 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2996 integer constants other than zero are only legitimate on TARGET_64BIT.
2997 <CONST_VECTOR> Only zero vectors are legitimate.
2998 (ix86_cannot_force_const_mem): Integral and vector constants can
2999 always be put in the constant pool.
3001 2006-05-16 DJ Delorie <dj@redhat.com>
3003 * crtstuff.c (__dso_handle): Set section from
3004 TARGET_LBIGCC_SDATA_SECTION if defined.
3005 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3006 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3008 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3011 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3014 2006-05-16 Ben Elliston <bje@au.ibm.com>
3016 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3018 2006-05-15 Per Bothner <per@bothner.com>
3020 * tree.c: (last_annotated_node): Use source_locus typedef.
3021 This permits bootstrapping with --enable-mapped-location.
3023 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3025 PR tree-optimization/26830
3026 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3027 (info_for_ssa_name, current_info_for_ssa_name_age,
3028 blocks_to_update): New variables.
3029 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3030 (clear_ssa_name_info, initialize_flags_in_bb,
3031 mark_block_for_update): New functions.
3032 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3033 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3034 prepare_def_site_for): Use mark_block_for_update.
3035 (mark_def_interesting): Assert that the processed block is marked in
3036 blocks_to_update. Do not take blocks argument.
3037 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3039 (rewrite_update_init_block, rewrite_update_stmt): Only process
3040 blocks with statements to rewrite.
3041 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3042 (update_ssa): Initialize and free blocks_to_update. Do not
3043 clear flags on statements. Do not use blocks bitmap.
3044 * tree.h (SSA_NAME_AUX): Removed.
3045 (struct tree_ssa_name): Removed aux field.
3046 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3048 2006-05-15 Richard Guenther <rguenther@suse.de>
3050 PR tree-optimization/27603
3051 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3052 Do computations in original type.
3054 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3056 * see.c: Code style changes such as redundant paranthesis,
3057 redundant intialization of local variables etc.
3058 (see_main): Declared now as static.
3059 * doc/invoke.texi: Update that -fsee is not enabled by
3062 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3064 * omp-low.c (check_omp_nesting_restrictions): New function.
3065 (scan_omp_1): Call it.
3068 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3069 construct, return *VAR.
3071 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3073 PR rtl-optimization/27406
3074 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3077 2006-05-14 Roger Sayle <roger@eyesopen.com>
3079 PR rtl-optimization/27538
3080 * combine.c (expand_compound_operation): Call gen_lowpart
3081 before calling simplify_shift_const.
3083 2006-05-14 Roger Sayle <roger@eyesopen.com>
3085 PR rtl-optimization/22563
3086 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3087 a fixed width bitfield, always force the intermediates into psuedos.
3089 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3092 * mkconfig.sh: Use operator = instead of == for test.
3094 2006-05-13 Nick Clifton <nickc@redhat.com>
3096 * dwarf2out.c (dbx_reg_number): Check return value from
3097 LEAF_REG_REMAP and only use it if it is valid.
3098 (multiple_reg_loc_descriptor): Likewise.
3100 2006-05-13 Richard Guenther <rguenther@suse.de>
3102 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3105 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3107 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3108 information attached to non-INSNs such as NOTEs.
3109 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3111 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3113 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3115 * config/s390/s390.md: Adjust comment describing On constraint.
3117 2006-05-11 Jan Hubicka <jh@suse.cz>
3119 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3120 to be output at -O0.
3122 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3125 * fold-const.c (size_binop): Move sanity check for arguments to
3126 the beginning of the function.
3129 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3132 2006-05-11 Richard Guenther <rguenther@suse.de>
3135 * fold-const.c (fold_unary): Handle intermediate conversion
3136 to a pointer type like intermediate conversion to an integer
3137 type in folding of (T1)(T2)var to var.
3138 Match the code to the comment in the final conversion for
3139 (T1)(T2)var to (T1)var regarding to type precision. Rather
3140 than disallow T1 being of pointer type, assert that both T1
3141 and var are of pointer type or not. Make sure not to fall
3142 over the frontends lazyness wrt array to pointer decay though.
3144 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3146 * arm.c (arm_struct_value_rtx): Delete.
3147 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3148 (arm_init_cumulative_args): Always initialize nregs to zero.
3150 2006-05-10 Richard Guenther <rguenther@suse.de>
3152 PR tree-optimization/27532
3153 * tree-object-size.c (plus_expr_object_size): Fix typo.
3155 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3158 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3159 ashrdi_const, ashrdi3): Use a scratch register.
3161 2006-05-10 Richard Guenther <rguenther@suse.de>
3163 PR tree-optimization/27302
3164 * fold-const.c (operand_equal_p): For two comparisons,
3165 try comparison of one comparison code swapped if that yields
3168 2006-05-10 Ben Elliston <bje@au.ibm.com>
3170 * tree-pretty-print.c (pretty_print_string): No need to handle
3171 '\0' as a special character.
3173 * tree.h: Include "hashtab.h".
3174 (iterative_hash_expr): Use hashval_t in its prototype.
3175 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3177 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3180 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3181 (hppa*64*-*-hpux11*): Ditto.
3182 (hppa[12]*-*-hpux11*): Ditto.
3184 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3187 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3189 2006-05-09 Michael Matz <matz@suse.de>
3191 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3192 host_extra_gcc_objs and host_xmake_file.
3193 (<*-*-linux*>): Don't overwrite host_xmake_file.
3194 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3195 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3196 (host_detect_local_cpu): Declare.
3197 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3198 * config/i386/i386.c (override_options): Handle -mtune=native
3200 * config/i386/x-i386: New file.
3201 * config/i386/driver-i386.c: New file.
3202 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3205 2006-05-09 Dirk Mueller <dmueller@suse.de>
3206 Richard Guenther <rguenther@suse.de>
3209 * fold-const.c (fold_read_from_constant_string): Relax check
3210 for matching types to matching modes.
3212 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3214 PR rtl-optimization/27335
3215 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3218 2006-05-08 Chao-ying Fu <fu@mips.com>
3219 Richard Sandiford <richard@codesourcery.com>
3221 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3222 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3223 * config/mips/mips.md (UNSPEC_SCC): New constant.
3224 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3225 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3226 (mips_emit_compare): Use it.
3227 (mips_expand_vcondv2sf): New function.
3229 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3231 Fix PR tree-optimization/27093
3232 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3233 renaming when they become not-used_alone.
3235 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3237 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3238 relocation and relocation stubs.
3240 2006-05-08 Eric Christopher <echristo@apple.com>
3242 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3245 2006-05-08 Jan Hubicka <jh@suse.cz>
3248 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3249 unused static functions are needed.
3251 2006-05-08 Roger Sayle <roger@eyesopen.com>
3254 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3255 of a reg_equiv_constant if the result is a legitimate constant.
3257 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3260 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3261 standard 80387 constants, raise the cost to prevent
3262 compress_float_constant() to generate load from memory.
3264 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3266 * config/arm/constraints.md (c): Fix a typo.
3268 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3271 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3274 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3276 (_mm_mwait): Likewise.
3278 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3280 (sse3_monitor): Make it 32bit only.
3281 (sse3_monitor64): New. 64bit monitor.
3283 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3286 * config/i386/i386.c (classify_argument): Skip fields with invalid
3289 2006-05-07 Richard Guenther <rguenther@suse.de>
3291 PR tree-optimization/27409
3292 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3293 Do not try to find zero-sized subvars.
3295 2006-05-07 Richard Guenther <rguenther@suse.de>
3297 PR tree-optimization/27136
3298 * tree-ssa-loop-niter.c (get_val_for): Correct function
3299 comment, assert requirements.
3300 (loop_niter_by_eval): Stop processing if the iterated
3301 value did not simplify.
3303 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3305 * opts.c (flag_see): remove its setting at -O3.
3307 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3309 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3310 * arm/constraints.md: New file.
3311 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3312 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3313 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3314 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3315 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3316 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3317 * arm.md: Include constraints.md.
3318 (thumb_movsi_insn): Use satisfies_constraint_J.
3319 (movhi, movqi): Use satisfies_constraint_I.
3321 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3323 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3324 for atmeg a645 device.
3326 2006-05-06 Richard Guenther <rguenther@suse.de>
3328 PR tree-optimization/27151
3329 * tree-vect-transform.c (vectorizable_condition): Punt on
3330 values that have a different type than the condition.
3332 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3335 * c-parser.c (c_parser_cast_expression): Only insert casts into
3336 hash table if pointer.
3337 * function.c (used_types_insert_helper): Rename from
3339 (used_types_insert): Call used_types_insert_helper.
3340 * function.h (used_types_insert): Accept only one argument.
3342 2006-05-05 David Edelsohn <edesohn@gnu.org>
3344 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3345 scratch with output modifier.
3347 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3350 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3351 with output modifier.
3353 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3356 * config/mips/mips.c (mips_symbolic_address_p): Return true
3357 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3358 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3360 2006-05-04 Richard Guenther <rguenther@suse.de>
3362 PR tree-optimization/14287
3363 PR tree-optimization/14844
3364 PR tree-optimization/19792
3365 PR tree-optimization/21608
3366 PR tree-optimization/27090
3367 * tree-ssa-pre.c (try_combine_conversion): New function.
3368 (compute_avail): After constructing the value-handle
3369 expression, use try_combine_conversion to combine NOP_EXPRs
3370 with previous value-handle expressions and use the result if it
3373 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3375 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3377 2006-05-04 Jan Hubicka <jh@suse.cz>
3380 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3382 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3384 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3385 that this only matches CONST_INTs. All users changed to VOIDmode
3388 * config/bfin/bfin.c: Include "optabs.h".
3389 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3391 (enum bfin_builtins): Add a number of fractional and vector builtins.
3392 (bfin_init_builtins): Likewise.
3393 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3394 (safe_vector_operand, bfin_expand_binop_builtin,
3395 bfin_expand_unop_builtin): New functions.
3396 (bfin_expand_builtin): Handle the new builtins.
3397 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3400 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3403 * Makefile.in (OBJS-common): Add see.o.
3404 (see.o): Add dependencies.
3405 * common.opt (fsee): New flag for the see optimization was added.
3406 * opts.c (flag_see): Initialized.
3407 * passes.c (init_optimization_passes, pass_see): New pass.
3408 * rtl.h (see_main): Declaration as extern.
3409 * timevar.def (TV_SEE): New.
3410 * tree-pass.h (pass_see): Declaration as extern.
3411 * invoke.texi (-fsee): Document.
3412 * recog.c (validate_simplify_insn): New function.
3413 * recog.h (validate_simplify_insn): Declaration as extern.
3414 * df-problems.c (df_chain_dump): Check for NULL.
3416 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3417 Daniel Berlin <dberlin@dberlin.org>
3419 * cfgrtl.c (insert_insn_bb_end_new): New function.
3420 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3422 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3424 * df.h (struct web_entry): Moved from web.c.
3425 (union_defs): Declaration as extern.
3426 (unionfind_root): Likewise.
3427 (unionfind_union): Likewise.
3428 * web.c (struct web_entry): Moved to df.h.
3429 (unionfind_root): Remove static declaration.
3430 (unionfind_union): Likewise.
3431 (union_defs): Likewise and generalize to use callback function.
3432 (web_main): Update arguments for union_defs function call.
3434 2006-05-04 Richard Guenther <rguenther@suse.de>
3436 PR tree-optimization/26447
3437 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3438 produce SSA_NAME copies before the store stmt to avoid
3439 breaking exception handling.
3441 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3444 * gimplify.c (omp_is_private): If var is shared in some outer context,
3445 return false instead of true. Stop searching on parallel context
3448 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3451 * coverage.c: Use get_gcov_unsigned_t() instead of
3452 unsigned_type_node all over.
3454 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3456 PR tree-optimization/27381
3457 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3458 maintain the same immediate_use links.
3459 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3460 node rather than segfaulting.
3462 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3465 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3466 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3467 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3469 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3471 Fix PR tree-optimization/26626
3472 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3474 * tree-ssa-operands.c (access_can_touch_variable): Allow
3475 typecasting through union pointers.
3477 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3480 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3481 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3482 to find if var will be a global variable even in the nested context.
3483 (omp_copy_decl): Only check for global variable at the end, it might
3484 be overridden in outer contexts.
3485 (scan_sharing_clauses): For global variables don't create a field.
3486 (lower_rec_input_clauses): Do nothing for global shared variables.
3487 Emit a barrier at the end of ILIST if there were any decls in both
3488 firstprivate and lastprivate clauses.
3489 (lower_send_clauses): Do nothing for global variables except for
3492 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3494 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3495 of the correct signedness is returned.
3497 2006-05-02 Jeff Law <law@redhat.com>
3499 PR tree-optimization/27364
3500 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3501 multiply expressions.
3503 2006-05-02 Tom Tromey <tromey@redhat.com>
3505 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3507 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3510 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3511 -mthumb -fPIC are used.
3513 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3514 Joshua Kinard <kumba@gentoo.org>
3517 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3518 with 64-bit pointers.
3520 2006-05-02 Paul Brook <paul@codesourcery.com>
3522 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3524 (create_fix_barrier): Check that a suitable barrier location is
3526 (arm_reorg): Include ftmp->address in allowable range of addresses.
3528 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3531 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3534 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3537 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3538 around RESULT_DECL for result passed by reference.
3539 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3540 * omp-low.c (use_pointer_for_field): Don't look at
3541 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3542 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3543 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3544 time or var for passing by reference for
3545 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3546 TREE_ADDRESSABLE variables when passing by reference.
3548 * omp-low.c (dump_omp_region): Fix output formatting.
3551 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3552 (expand_omp_parallel): Likewise.
3553 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3556 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3557 on statement list containing also constructors and destructors.
3558 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3561 * except.c (duplicate_eh_regions): Fix clearing of
3562 cfun->eh->region_array entries.
3564 2006-05-01 DJ Delorie <dj@redhat.com>
3566 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3568 (gcc_cv_objdump): Likewise.
3569 * configure: Regenerated.
3571 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3574 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3575 templates for case 3 and 4.
3577 2006-05-01 DJ Delorie <dj@redhat.com>
3579 * vec.c: Include bconfig.h when appropriate.
3580 * Makefile.in (build/vec.o): Adjust dependencies.
3581 * mkconfig.sh: Make sure config.h isn't used for build machine
3584 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3586 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3588 (mark_phi_for_rewrite): New function.
3589 (insert_phi_nodes_for, mark_use_interesting): Call
3590 mark_phi_for_rewrite.
3591 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3592 (update_ssa): Initialize and free phis_to_rewrite.
3594 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3596 PR rtl-optimization/27291
3597 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3598 folded to a constant.
3600 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3602 PR tree-optimization/27283
3603 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3604 not whole # of iteration descriptions.
3605 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3606 uses abnormal ssa name.
3607 (niter_for_single_dom_exit): Ditto.
3608 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3609 return just the number of iterations.
3611 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3613 PR tree-optimization/27144
3614 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3615 (record_estimate): Only record constant upper bound.
3616 (infer_loop_bounds_from_undefined): Call
3617 compute_estimated_nb_iterations just once.
3618 (proved_non_wrapping_p): Renamed to ...
3619 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3620 (convert_step_widening, scev_probably_wraps_p): Call
3621 n_of_executions_at_most instead of proved_non_wrapping_p.
3622 (substitute_in_loop_info): Do not replace values in bounds.
3623 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3626 2006-05-01 Richard Henderson <rth@redhat.com>
3629 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3630 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3633 2006-05-01 Roger Sayle <roger@eyesopen.com>
3635 * c-typeck.c (parser_build_binary_op): Don't call the function
3636 unsigned_conversion_warning to spot operand/result type overflow.
3637 (build_binary_op): Instead, call convert_and_check instead of
3638 convert to report the problem when the operands are promoted.
3639 * c-common.c (unsigned_conversion_warning): Make static.
3640 * c-common.h (unsigned_conversion_warning): Delete prototype.
3642 2006-05-01 Richard Guenther <rguenther@suse.de>
3644 PR tree-optimization/26726
3645 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3647 (find_interesting_uses_address): ... we work around here
3648 by folding INDIRECT_REFs in the substituted base.
3650 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3652 * omp-low.c (dump_omp_region): Add newlines.
3654 2006-04-30 Roger Sayle <roger@eyesopen.com>
3656 * common.opt (Woverflow): New command line option.
3657 * c-common.c (constant_expression_warning): Check warn_overflow.
3658 (overflow_waring): Pass OPT_Woverflow to warning.
3659 (unsigned_conversion_warning): Likewise.
3660 (convert_and_check): Likewise.
3661 * doc/invoke.texi: Document new command line option.
3663 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3665 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3666 TARGET_NO_FP_IN_TOC for section anchors.
3667 (optimization_options): Enable section anchors for all
3668 non-"Objective" languages.
3670 2006-04-28 Eric Christopher <echristo@apple.com>
3672 * config/darwin-c.c (darwin_ms_struct): Move this
3673 (darwin_set_default_type_attributes): and this...
3674 * config/darwin.c: ... here.
3675 * config/darwin.h (darwin_ms_struct): Declare.
3677 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3679 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3681 2006-04-28 Roger Sayle <roger@eyesopen.com>
3684 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3685 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3686 an unsigned HOST_WIDE_INT.
3687 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3689 (really_start_incremental_init): No need to call convert because
3690 bitsize_zero_node is already of type bitsizetype.
3691 (push_init_level): Extract the value of constructor_index as an
3692 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3693 (process_init_element): Likewise.
3695 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3697 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3698 value before passing to make_relative_prefix.
3700 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3703 * builtins.c (expand_builtin_memset): Expand val in original mode.
3705 2006-04-27 Eric Christopher <echristo@apple.com>
3707 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3708 with #ifndef/#endif.
3709 * config/darwin-c.c (darwin_ms_struct): New.
3710 (darwin_pragma_ms_struct): Ditto.
3711 (darwin_set_default_type_attributes): Ditto.
3712 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3713 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3714 Register ms_struct pragma.
3715 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3716 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3717 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3718 darwin_set_default_type_attributes if TARGET_MACHO.
3720 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3722 PR tree-optimization/26854
3723 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3724 * doc/tree-ssa.texi: Update immuse iterator documentation.
3725 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3726 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3727 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3728 first_safe_imm_use, next_safe_imm_use): Remove.
3729 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3730 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3731 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3732 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3733 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3734 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3735 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3736 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3737 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3738 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3739 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3740 (perfect_nestify): Use new iterator.
3741 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3743 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3744 (next_imm_name): New field in struct immediate_use_iterator_d.
3745 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3746 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3747 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3748 * tree-cfg.c (replace_uses_by): Use new iterator.
3749 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3750 * tree-ssa-operands.c (correct_use_link): Remove.
3751 (finalize_ssa_use_ops): No longer call correct_use_link.
3753 2006-04-27 Stuart Hastings <stuart@apple.com>
3755 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3756 * config/t-darwin (crt3.o): Use it.
3757 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3758 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3759 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3760 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3761 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3764 2006-04-27 Roger Sayle <roger@eyesopen.com>
3766 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3767 size, force the intermediate into a new pseudo rather instead of
3768 performing both a bitwise AND and a bitwise IOR in memory.
3770 2006-04-27 Richard Guenther <rguenther@suse.de>
3772 PR rtl-optimization/26685
3773 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3774 this one "max-flow-memory-locations".
3776 2006-04-27 Richard Guenther <rguenther@suse.de>
3778 PR tree-optimization/25148
3779 * tree-vrp.c (compare_values): Remove code dealing with
3780 comparisons against type min/max value. Honour overflow
3781 and negative constants in code dealing with comparisons
3782 of plus and minus expressions.
3783 (value_inside_range): Use fold_binary with LE_EXPR and
3784 GE_EXPR rather than compare_values.
3786 2006-04-27 Dirk Mueller <dmueller@suse.de>
3788 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3791 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3793 * basic-block.h (safe_insert_insn_on_edge): Removed.
3794 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3796 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3797 Paolo Bonzini <bonzini@gnu.org>
3800 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3801 (simplify_and_const_int): Same.
3803 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3805 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3807 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3810 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3811 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3812 cgraph_global_info_ready.
3815 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3818 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3819 either decl or init is error_mark_node.
3822 * tree-flow.h (struct omp_region): Add sched_kind.
3823 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3824 instead of extracting omp for data.
3825 (expand_omp_for): Save extracted sched_kind.
3827 2006-04-25 Roger Sayle <roger@eyesopen.com>
3829 * expmed.c (store_bit_field): Also check whether the bitsize is
3830 valid for the machine's "insv" instruction before moving the
3831 target into a pseudo for use with the insv.
3832 * config/i386/predicates.md (const8_operand): New predicate.
3833 * config/i386/i386.md (extv, extzv, insv): Use the new
3834 const8_operand predicate where appropriate.
3836 2006-04-25 DJ Delorie <dj@redhat.com>
3838 * doc/install.texi (Specific): Clarify that this is not a list of
3839 supported hosts or targets.
3841 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3843 PR rtl-optimization/26725
3844 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3845 block's BB_DIRTY flag.
3847 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3849 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3852 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3853 to print an integer.
3855 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3857 * varasm.c (align_variable): New function.
3858 (get_block_for_decl): Apply align_variable to DECL before
3859 calculating section information.
3860 (assemble_variable): Split out alignment computation.
3862 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3864 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3867 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3869 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3870 MODE_PARTIAL_INT mode.
3871 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3872 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3874 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3875 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3877 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3879 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3881 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3882 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3883 MACFLAG_IH): Likewise.
3884 (movstricthi_1): Renamed from "*movstricthi".
3885 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3886 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3887 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3888 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3889 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3890 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3891 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3892 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3893 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3894 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3895 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3896 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3897 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3898 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3899 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3901 * doc/rtl.texi (ss_ashift): Improve wording.
3903 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3905 * dwarf2out.c (verify_marks_clear): New.
3906 (prune_unused_types): Call verify_marks_clear initially, not
3909 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3911 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3912 * doc/rtl.texi: Document them.
3913 * simplify-rtx.c (simplify_unary_operation,
3914 simplify_binary_operation_1): Don't abort when we see them.
3916 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3919 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3920 * configure.ac: Completely disregard languages that are not
3922 * configure: Regenerated.
3924 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3925 Richard Guenther <rguenther@suse.de>
3927 PR tree-optimization/27236
3928 * tree-inline.c (copy_body_r): Make sure to copy
3929 TREE_THIS_VOLATILE flag.
3931 2006-04-24 Richard Guenther <rguenther@suse.de>
3934 * tree-complex.c (update_parameter_components): Don't handle
3935 unused parameters which have no default def.
3937 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3938 Richard Guenther <rguenther@suse.de>
3940 PR tree-optimization/27218
3941 * tree-inline.c (expand_call_inline): Strip useless type
3942 conversions for the return slot address.
3944 2006-04-24 Richard Guenther <rguenther@suse.de>
3946 * cfgloop.h (struct loops): Remove unused field array. Reorder
3948 (LOOP_PREFETCH): Remove.
3950 2006-04-24 Richard Guenther <rguenther@suse.de>
3952 PR tree-optimization/22525
3953 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3954 variable, adjust types of generated expressions.
3956 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3958 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3959 (tree-vect-patterns.o): Likewise.
3961 (cselib.o): Likewise.
3962 (loop-doloop.o): Likewise.
3963 (regclass.o): Likewise.
3964 (reload1.o): Likewise.
3965 (explow.o): Replace target.h with $(TARGET_H).
3966 (ipa-prop.o): Likewise.
3967 (ipa-cp.o): Likewise.
3968 (ipa-inline.o): Likewise.
3969 (reorg.o): Likewise.
3970 (reg-stack.o): Likewise.
3972 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3974 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3976 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3978 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3980 * configure.ac: Completely disregard languages that are not
3982 * configure: Regenerated.
3985 * c-common.h (c_build_bitfield_integer_type): Declare.
3986 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3987 * c-common.c (c_build_bitfield_integer_type): ... here.
3989 2006-04-23 Roger Sayle <roger@eyesopen.com>
3992 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3993 a SImode SUBREG of a floating point register after no_new_pseudos.
3995 2006-04-23 Roger Sayle <roger@eyesopen.com>
3997 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3998 identify potentially eliminable registers to additionally catch
3999 VIRTUAL_INCOMING_ARGS_REGNUM.
4000 (addsi3): Update the conditions on when to use addsi_small_int.
4002 2006-04-23 Roger Sayle <roger@eyesopen.com>
4005 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4006 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4007 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4009 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4011 * fold-const.c (range_predecessor): Use operand_equal_p
4012 as the predicate for equality.
4013 (range_successor): Likewise.
4015 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4018 * config/soft-fp/op-common.h: Fix a typo.
4020 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4023 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4024 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4026 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4028 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4030 * doc/tm.texi: Fix a typo.
4032 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4034 * dwarf2out.c (struct die_struct): Document that die_sib makes
4035 a circular linked list.
4036 (FOR_EACH_CHILD): New.
4037 (reverse_die_lists): Delete.
4038 (reverse_all_dies): Delete.
4039 (add_dwarf_attr): Correct documentation.
4040 (remove_child_with_prev): New.
4041 (remove_child_TAG): Update for change to die_struct, use
4042 remove_child_with_prev.
4043 (add_child_die): Update for change to die_struct.
4044 (splice_child_die): Use remove_child_with_prev and add_child_die.
4045 (print_die): Use FOR_EACH_CHILD.
4046 (die_checksum): Likewise.
4047 (assign_symbol_names): Likewise.
4048 (output_location_lists): Likewise.
4049 (build_abbrev_table): Likewise.
4050 (calc_die_sizes): Likewise.
4051 (mark_dies): Likewise.
4052 (unmark_dies): Likewise.
4053 (unmark_all_dies): Likewise.
4054 (output_die): Likewise.
4055 (prune_unused_types_mark): Likewise.
4056 (prune_unused_types_walk): Likewise.
4057 (same_die_p): Update for change to die_struct.
4058 (break_out_includes): Likewise.
4059 (prune_unused_types_prune): Likewise.
4060 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4061 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4063 (dwarf2out_finish): Don't call reverse_all_dies.
4065 2006-04-21 Eric Christopher <echristo@apple.com>
4067 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4068 in comments and function names.
4070 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4073 * c-typeck.c (digest_init): Robustify.
4075 * c-typeck.c (pop_init_level): Simplify.
4077 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4079 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4081 2006-04-21 Paul Brook <paul@codesourcery.com>
4083 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4084 hardware floating point.
4086 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4088 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4091 2006-04-21 Nick Clifton <nickc@redhat.com>
4093 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4096 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4099 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4100 C++ lang type in traceback table for Objective-C++.
4102 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4104 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4106 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4108 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4111 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4112 were errors. Remove check for erroneous objects.
4114 2006-04-20 Jeff Law <law@redhat.com>
4116 PR tree-optimization/26854
4117 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4118 checking for zero or one use.
4119 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4120 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4121 * tree-ssa-reassoc.c (negate_value): Similarly.
4122 (reassociate_bb): Similarly.
4124 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4126 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4127 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4128 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4130 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4132 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4133 fp regs if the last fp arg doesn't fit in regs.
4135 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4138 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4139 that the last insn has the REG_INC note.
4141 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4142 Nathan Sidwell <nathan@codesourcery.com>
4145 * stor-layout.c (update_alignment_for_field): Do not align
4147 (place_union_field): Place union field at the start of the union.
4148 (place_field): Move ERROR_MARK check later, and use the current
4149 allocation position to maintain monotonicity.
4151 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4153 * dominance.c: Include timevar.h.
4154 (calculate_dominance_info): Use TV_DOMINANCE.
4155 * timevar.def (TV_DOMINANCE): New timevar.
4156 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4158 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4160 PR rtl-optimization/14261
4161 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4162 move would be an INSV insn.
4163 (noce_process_if_block): Don't optimize if the destination is a
4164 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4166 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4168 * config/s390/s390.md: Add comments with the instructions emitted
4169 by an insn pattern if macros are used.
4171 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4173 PR rtl-optimization/26026
4174 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4175 is a known power of two shifted left a variable amount.
4177 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4179 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4180 to hash table twice when the debug_str section has SECTION_MERGE.
4182 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4184 * config/soft-fp: New directory. From glibc.
4185 * config/soft-fp/t-softfp: New.
4186 * config/soft-fp/README: New.
4187 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4188 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4189 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4190 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4191 * config.gcc: Use rs6000/t-fprules-fpbit or
4192 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4194 * config/rs6000/sfp-machine.h: New. Based on glibc.
4195 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4197 * config/rs6000/t-fprules: Remove fp-bit rules.
4198 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4199 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4200 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4201 (softfp_wrap_start, softfp_wrap_end): New.
4203 2006-04-18 DJ Delorie <dj@redhat.com>
4205 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4207 2006-04-18 Devang Patel <dpatel@apple.com>
4209 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4211 2006-04-18 Nick Clifton <nickc@redhat.com>
4213 * config/sh/t-symbian: Add rule to build sh-c.o
4214 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4215 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4216 (sh_symbian_encode_section_info): Likewise.
4218 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4220 * builtins.c (expand_builtin_strcmp): Cover label definition of
4221 do_libcall with HAVE_cmpstrnsi.
4223 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4225 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4227 * function.h (temp_slot_p): New.
4228 (function): Change the type of x_used_temp_slots to
4229 VEC(temp_slot_p,gc) *.
4231 2006-04-18 Nick Clifton <nickc@redhat.com>
4233 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4234 flag_strength_reduce.
4236 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4238 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4242 Partial revert of revision 112637
4243 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4244 Dale Johannesen <dalej@apple.com>
4247 * regclass.c (struct reg_pref): Update documentation.
4248 (regclass): Set prefclass to NO_REGS if memory is the best option.
4249 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4251 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4253 PR tree-optimization/26821
4254 * tree-ssa-math-opts.c (get_constant_one): New.
4255 (insert_reciprocals): Use it.
4257 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4259 * dwarf2out.c (free_AT): Delete.
4260 (remove_AT): Update string ref counts.
4261 (remove_child_TAG): Don't call free_die.
4263 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4264 or DW_TAG_GNU_EINCL.
4265 (prune_unused_types_walk_attribs): Reset string refcounts.
4266 (prune_unused_types_update_strings): New.
4267 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4268 call free_die. Do call prune_unused_types_update_strings.
4269 (prune_unused_types): Empty debug_str_hash.
4271 2006-04-17 Roger Sayle <roger@eyesopen.com>
4273 * expr.c (expand_assignment): Optimize away no-op moves where the
4274 source and destination are equal and have no side-effects.
4276 2006-04-17 Richard Guenther <rguenther@suse.de>
4279 * reload.c (push_reload): Guard calls to get_secondary_mem
4282 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4284 * alias.c (reg_base_value, old_reg_base_value): Change the
4285 type to VEC(rtx,gc) *.
4286 (REG_BASE_VALUE, find_base_value, record_set,
4287 init_alias_analysis): Use VEC instead of VARRAY.
4289 * alias.c (alias_sets): Change the type to
4290 VEC(alias_set_entry,gc) *.
4291 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4292 VEC instead of VARRAY.
4293 (last_alias_set): Remove.
4295 * cgraph.h (cgraph_edge_p): New.
4296 Update the prototype of cgraph_function_versioning.
4297 * cgraphunit.c (cgraph_copy_node_for_versioning,
4298 cgraph_function_versioning): Use VEC instead of VARRAY.
4299 * ipa-cp.c (ipcp_insert_stage): Likewise.
4301 2006-04-16 Roger Sayle <roger@eyesopen.com>
4304 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4305 "A op B" or "A op C", we may need to convert A to the type of B and C.
4307 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4309 * target.h (struct gcc_target): Add mode_rep_extended.
4310 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4311 (init_num_sign_bit_copies_in_rep): Initialize it using
4313 (truncate_to_mode): Use it.
4314 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4315 * targhooks.h (default_mode_rep_extended): Declare it.
4316 * targhooks.c (default_mode_rep_extended): Define it.
4317 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4318 default_mode_rep_extended.
4319 (TARGET_INITIALIZER): Include it.
4320 * doc/tm.texi (Misc): Document it.
4321 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4322 (mips_truncated_to_mode): New function.
4324 2006-04-16 Roger Sayle <roger@eyesopen.com>
4327 * expr.c (compress_float_constant): Copy the narrow constant into
4328 a new pseudo before extending it to its final width.
4330 2006-04-16 Roger Sayle <roger@eyesopen.com>
4331 Andrew Pinski <pinskia@gcc.gnu.org>
4332 Dale Johannesen <dalej@apple.com>
4335 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4336 special case code to implement V8HImode and V16QImode with SSE2.
4338 2006-04-15 Roger Sayle <roger@eyesopen.com>
4340 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4341 trees are constructed with a suitable tree type.
4343 2006-04-15 Roger Sayle <roger@eyesopen.com>
4345 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4346 (integer_onep): Likewise.
4347 (integer_all_onesp): Likewise.
4348 (integer_pow2p): Likewise.
4349 (integer_nonzerop): Likewise.
4350 (real_zerop): Likewise.
4351 (real_onep): Likewise.
4352 (real_twop): Likewise.
4353 (real_minus_onep): Likewise.
4354 (int_size_in_bytes): Likewise.
4355 (host_integerp): Likewise.
4357 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4359 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4360 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4361 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4363 * tree-ssa-structalias.h (alias_info): Remove num_references.
4365 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4367 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4368 (output_bvb patterns): Likewise.
4369 * pa.c (output_bb): Use 'bb' insn for long branch case.
4370 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4371 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4372 1. Correct length operand for alternatives 1 and 2.
4373 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4374 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4376 2006-04-14 Roger Sayle <roger@eyesopen.com>
4378 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4379 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4380 were accidentally reverted by r112959.
4382 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4385 * except.h (eh_region_outermost): New prototype.
4386 * except.c (eh_region_outermost): New function.
4387 * tree-cfg.c (find_outermost_region_in_block): Use it.
4389 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4391 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4393 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4394 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4395 (init_reload, reload): Use VEC instead of VARRAY.
4396 * reload.h: Update the prototype for
4397 reg_equiv_memory_loc_varray.
4399 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4400 Eric Botcazou <ebotcazou@libertysurf.fr>
4402 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4405 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4408 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4409 to expand fallback builtin function call.
4411 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4414 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4415 and emit libcall here in case the builtin fails.
4416 (expand_builtin_strcmp): Always emit the libcall here on failure.
4418 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4420 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4421 * flow.c (reg_n_info): Change the type to
4422 VEC(reg_info_p,heap) *.
4423 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4425 * regs.h (reg_info_p): New.
4426 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4427 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4428 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4431 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4433 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4435 * params.h (MAX_SCHED_READY_INSNS): New macro.
4436 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4437 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4438 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4439 the ready list for 1 cycle during the first scheduling pass.
4440 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4442 2006-04-13 Richard Henderson <rth@redhat.com>
4445 * gimple-low.c (lower_omp_directive): Remove dead code.
4446 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4447 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4448 * omp-low.c (struct omp_region): Move to tree-flow.h.
4449 (root_omp_region): Export.
4450 (omp_regions, lookup_omp_region): Remove.
4451 (determine_parallel_type): Update for struct omp_region changes.
4452 (dump_omp_region): Dump regions with block numbers.
4453 (new_omp_region): Take type and block instead of stmt; malloc
4455 (free_omp_region_1, free_omp_regions): New.
4456 (expand_parallel_call): Take entry_stmt as argument; update for
4457 changes to omp_region.
4458 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4459 (remove_exit_barriers): New.
4460 (expand_omp_parallel): Update for struct omp_region changes.
4461 (expand_omp_synch): Likewise.
4462 (expand_omp): Likewise.
4463 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4464 (expand_omp_for_static_chunk): Likewise.
4465 (expand_omp_for): Likewise.
4466 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4467 (expand_omp_sections): Similarly, with GOMP_sections_end.
4468 (expand_omp_single): New.
4469 (build_omp_regions_1): Update for OMP_CONTINUE.
4470 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4471 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4472 OMP_SECTIONS_SECTIONS.
4473 (lower_omp_single_simple): Don't emit barrier here.
4474 (lower_omp_single_copy): Likewise.
4475 (lower_omp_single): Fix bindings, and lower to straightline now.
4476 (lower_omp_master, lower_omp_ordered): Likewise.
4477 (lower_omp_critical): Likewise.
4478 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4479 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4480 omp edges, free it afterward.
4481 (make_omp_sections_edges): Remove.
4482 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4483 (move_stmt_r): Handle OMP_CONTINUE.
4484 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4485 statement pointers to basic blocks. Add type member.
4486 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4487 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4488 * tree-inline.c (estimate_num_insns_1): Likewise.
4489 * tree-pretty-print.c (dump_generic_node): Likewise.
4490 * tree-ssa-operands.c (get_expr_operands): Likewise.
4491 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4492 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4493 (OMP_CONTINUE): New.
4494 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4495 (OMP_SECTIONS_SECTIONS): Remove.
4496 (OMP_SECTION_LAST): New.
4497 (OMP_RETURN_NOWAIT): New.
4499 2006-04-13 Roger Sayle <roger@eyesopen.com>
4501 * fold-const.c (native_encode_vector, native_interpret_real):
4502 Correct obvious mistakes in the previous check-in.
4504 2006-04-13 Roger Sayle <roger@eyesopen.com>
4506 * fold-const.c (native_encode_expr): New function to encode
4507 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4508 or VECTOR_CST into a specified buffer.
4509 (native_encode_int): New function.
4510 (native_encode_real): New function.
4511 (native_encode_complex): New function.
4512 (native_encode_vector): New function.
4513 (native_interpret_expr): Inverse of native_encode_expr to convert
4514 a target representation into an INTEGER_CST, REAL_CST etc...
4515 (native_interpret_int): New function.
4516 (native_interpret_real): New function.
4517 (native_interpret_complex): New function.
4518 (native_interpret_vector): New function.
4519 (fold_view_convert_expr): New function to constant fold/evaluate
4520 a VIEW_CONVERT_EXPR of a suitable constant expression.
4521 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4522 Change call of build1 to fold_build1 when constructing a
4525 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4526 Ulrich Weigand <uweigand@de.ibm.com>
4529 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4532 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4535 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4536 optimize to lo_sum for DFmode if !TARGET_FPRS.
4538 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4540 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4541 delete_alias_info, compute_flow_sensitive_aliasing,
4542 group_aliases): Use VEC instead of VARRAY.
4543 * tree-ssa-structalias.c (update_alias_info): Likewise.
4544 * tree-ssa-structalias.h (alias_info): Change the type of
4545 processed_ptrs to VEC(tree,heap) *.
4547 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4550 * config/sh/lib1funcs.h: New file, broken out of:
4551 * config/sh/lib1funcs.asm.
4552 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4554 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4555 * config/sh/lib1funcs-Os-4-200.asm: New file.
4556 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4557 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4558 (EXTRA_MULTILIB_PARTS): Include it.
4559 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4560 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4561 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4562 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4565 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4567 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4568 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4569 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4571 * tree-ssa-live.h: Include vecprim.h.
4572 (tree_partition_associator_d): Change the type of
4573 first_partition to VEC(int,heap) *.
4574 (tpa_first_partition): Use VEC instead of VARRAY.
4576 * Makefile.in (GTFILES): Move functions.h after tree.h.
4577 * function.c (reset_block_changes, record_block_change,
4578 check_block_change, free_block_changes): Use VEC instead of
4580 * function.h (function): Change the type of
4581 ib_boundaries_block to VEC(tree,gc) *.
4582 * tree-inline.c (copy_cfg_body): Initialize
4583 ib_boundaries_block to NULL instead of (varray_type) 0.
4585 2006-04-12 Roger Sayle <roger@eyesopen.com>
4587 * expr.c (emit_group_store): Correct operand order in call to
4588 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4589 a SUBREG_BYTE of zero.
4591 2006-04-12 Richard Guenther <rguenther@suse.de>
4593 * profile.c (compute_branch_probabilities): Remove code
4594 encapsulated in !ir_type (), which are remanents of the
4595 removed RTL profiling code.
4596 * rtl-profile.c: Remove.
4598 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4600 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4601 magic NULL_RTX comment.
4602 (function_arg): Store entire fp arg to mem if any part should go
4604 (rs6000_arg_partial_bytes): Adjust for above change.
4606 2006-04-11 Roger Sayle <roger@eyesopen.com>
4608 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4609 if it hasn't been initialized by dwarf2out_init.
4611 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4613 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4614 symbolic constants in branch patterns.
4616 2006-04-11 Roger Sayle <roger@eyesopen.com>
4618 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4620 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4622 PR rtl-optimization/27073
4623 * gcse.c (try_replace_reg): Revert last change. Continue to search
4624 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4627 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4629 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4630 aggregate types other than record and union types.
4631 (function_arg): Likewise.
4632 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4634 (function_value): In 64-bit mode, return objects that require it
4637 2006-04-11 Roger Sayle <roger@eyesopen.com>
4639 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4641 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4643 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4645 2006-04-03 Jeff Law <law@redhat.com>
4648 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4649 alias information too.
4651 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4653 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4655 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4658 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4659 (premark_used_types_helper): New.
4660 (premark_used_types): New.
4661 (gen_subprogram_die): Call premark_used_types.
4662 (prune_unused_types_walk): Do not prune perennial dies.
4663 * function.c (used_types_insert): New.
4664 * function.h (struct function): Add used_types_hash field.
4665 (used_types_insert): Add prototype.
4666 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4667 * c-parser.c (c_parser_cast_expression): Save casted types in used
4670 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4673 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4674 rs6000_explicit_options.float_gprs.
4676 2006-04-10 Roger Sayle <roger@eyesopen.com>
4678 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4679 from ix86_expand_vector_init_low_nonzero. Take an additional
4680 one_var argument indicating which element is non-zero. Support
4681 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4682 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4683 with one_var instead of ix86_expand_vector_init_low_nonzero.
4685 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4687 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4688 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4689 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4690 build/genextract.o): Depend on vecprim.h.
4691 * cfglayout.c, df-problems.c, function.c, genextract.c,
4692 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4693 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4697 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4699 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4700 Declare VECs of this type.
4701 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4702 (remove_children): Delete.
4703 (add_dwarf_attr): Use VEC routines.
4704 (add_AT_flag): Update for changes to add_dwarf_attr.
4705 (add_AT_int): Likewise.
4706 (add_AT_unsigned): Likewise.
4707 (add_AT_long_long): Likewise.
4708 (add_AT_vec): Likewise.
4709 (add_AT_string): Likewise.
4710 (add_AT_die_ref): Likewise.
4711 (add_AT_fde_ref): Likewise.
4712 (add_AT_loc): Likewise.
4713 (add_AT_loc_list): Likewise.
4714 (add_AT_addr): Likewise.
4715 (add_AT_lbl_id): Likewise.
4716 (add_AT_lineptr): Likewise.
4717 (add_AT_macptr): Likewise.
4718 (add_AT_offset): Likewise.
4719 (add_AT_range_list): Likewise.
4720 (get_AT): Use VEC_iterate.
4721 (remove_AT): Use VEC_ordered_remove.
4722 (free_die): Fold remove_children into here; have it use VEC_iterate.
4723 (print_die): Use VEC_iterate on attrs.
4724 (reverse_die_lists): Don't reverse attr lists.
4725 (die_checksum): Use VEC_iterate on attrs.
4726 (same_die_p): Likewise.
4727 (output_location_lists): Likewise.
4728 (build_abbrev_table): Likewise.
4729 (size_of_die): Likewise.
4730 (unmark_all_dies): Likewise.
4731 (output_abbrev_section): Likewise.
4732 (output_die): Likewise.
4733 (prune_unused_types_walk_attribs): Likewise.
4735 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4737 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4739 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4742 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4744 2006-04-09 Roger Sayle <roger@eyesopen.com>
4746 * expr.c (store_constructor): Don't bother clearing target if
4747 we're about to assign a vector to it using vec_init_optab.
4749 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4751 * tree-ssa-alias.c (lhs_may_store_to): New function.
4752 (recalculate_used_alone): Handle LHS of calls.
4754 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4758 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4759 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4760 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4761 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4762 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4763 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4764 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4765 stubs. Add ".align 8" directives before all ".dword" directives.
4766 (GTHREAD_USE_WEAK): Revise comment.
4767 (TARGET_ATTRIBUTE_WEAK): Define.
4768 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4769 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4770 * stublib.c: New file.
4775 * pa.md (cbranch patterns): Revise arguments used in calls to
4776 output_cbranch, output_bb and output_bvd. Add long branch length
4778 (fbranch patterns): Handle long branches.
4779 (jump): Revise length check. Revise arguments for output_lbranch call.
4780 Add long branch length attributes.
4781 (decrement_and_branch_until_zero): Add long branch length attributes.
4782 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4783 Likewise. Revise arguments for output_parallel_addb and
4784 output_parallel_movb calls.
4785 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4786 output_parallel_movb and output_parallel_addb): Update prototypes.
4787 * pa.c (output_cbranch): Revise arguments. Correct handling of
4788 nullification in long branches.
4789 (output_lbranch): Add new argument to control extraction of delay
4791 (output_bb): Handle long branches.
4792 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4793 output_parallel_addb): Likewise.
4795 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4797 PR rtl-optimization/27073
4798 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4801 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4803 * tree.h (tree_memory_tag): Add old_used_alone.
4804 (SMT_OLD_USED_ALONE): New macro.
4805 * tree-ssa-alias.c (recalculate_used_alone): Stop
4806 marking things for renaming unnecessarily.
4808 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4810 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4811 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4812 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4813 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4814 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4815 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4816 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4817 spelling convensions.
4818 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4819 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4820 typos. Follow spelling conventions.
4822 2006-04-07 DJ Delorie <dj@redhat.com>
4824 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4825 passed on the stack.
4826 (m32c_init_cumulative_args): When a function returns a structure,
4827 always pass the pointer to that return area on the stack.
4828 (m32c_function_arg_advance): Don't increment the parameter number
4829 if we're processing the returned structure pointer.
4830 (pushm_info): Reverse order of registers.
4832 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4834 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4835 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4836 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4837 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4839 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4840 chrec_fold_multiply): Same.
4841 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4842 force_expr_to_var_cost): Same.
4843 * tree-mudflap.c (mf_xform_derefs_1): Same.
4844 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4846 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4848 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4849 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4852 2006-04-07 Jan Hubicka <jh@suse.cz>
4854 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4856 2006-04-07 Richard Guenther <rguenther@suse.de>
4858 PR tree-optimization/26135
4859 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4860 loads for store copy-prop.
4861 (copy_prop_visit_stmt): Likewise.
4863 2006-04-05 Robert Millan <robertmh@gnu.org>
4865 * config/i386/linux.h: Add a comment to mark macros that are
4866 being overriden in config/k*bsd-gnu.h.
4867 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4869 * config/knetbsd-gnu.h: Ditto.
4871 2006-04-06 Jan Hubicka <jh@suse.cz>
4875 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4878 2006-04-06 Mike Stump <mrs@apple.com>
4880 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4881 for HAVE_nonlocal_goto to be consistent.
4882 (expand_builtin_nonlocal_goto): Likewise.
4883 (expand_builtin_strcmp): Use #ifdef instead of #if
4884 for HAVE_cmpstrnsi to be consistent.
4886 2006-04-05 DJ Delorie <dj@redhat.com>
4888 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4891 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4893 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4894 got-relative addressing for anything but SImode.
4896 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4897 even if the calling function doesn't modify them.
4899 2006-04-05 Richard Guenther <rguenther@suse.de>
4901 PR tree-optimization/26919
4902 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4903 to cgraph_estimate_size_after_inlining.
4905 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4907 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4909 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4911 PR tree-optimization/26996
4912 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4913 VECTOR_TYPE variables.
4915 2006-04-05 Richard Guenther <rguenther@suse.de>
4917 PR tree-optimization/26763
4918 * fold-const.c (fold_comparison): Move folding of
4919 PTR + CST CMP PTR + CST ...
4920 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4922 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4924 * doc/install.texi (Prerequisites): Refine some wording on
4925 bootstrapping and ksh.
4926 Move the version numbers of DejaGnu here from the testing section
4927 and fix casing of names.
4928 Fix markup and clarify wording for autogen requirements.
4929 Refer to GCJ instead of just java.
4930 Refer to SVN instead of CVS.
4931 Describe diffutils as useful instead of necessary.
4932 (Downloading the source): Refer to SVN instead of CVS.
4933 Adjust a link to our web site accordingly.
4934 (Configuration): Fix casing of Bison.
4935 (Building): Refer to SVN instead of CVS.
4936 Fix a sentence on the use of Bison and remove duplicate (and
4937 incorrect) version number of Bison requirement.
4938 Remove one redundant list of packages needed for building.
4939 (Specific): Avoid reference to CVS.
4941 2006-04-04 Eric Christopher <echristo@apple.com>
4943 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4944 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4945 (rs6000_handle_struct_attribute): New.
4946 (rs6000_ms_bitfield_layout_p): Ditto.
4948 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4950 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4951 NULL for dso parameter to atexit_common.
4953 2006-04-04 Eric Christopher <echristo@apple.com>
4955 * config/i386/i386.c (machopic_output_stub): Output \t
4956 between instructions and operands.
4958 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4960 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4961 satisfies_constraint_[IL] to explicit tests on value.
4963 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4965 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4966 set_nb_iterations_in_loop): Use build_int_cst instead of
4968 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4969 build_int_cst instead of convert.
4971 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4973 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4974 new value 2 for incoming.
4975 * function.c (expand_function_start): Call struct_value_rtx
4977 * config/sparc/sparc.md: Comment updated_return.
4978 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4979 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4980 struct return if sparc_std_struct_return and incoming is 2.
4981 (print_operand): Do not adjust return if
4982 sparc_std_struct_return.
4984 2006-04-04 Roger Sayle <roger@eyesopen.com>
4986 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4987 convert in the middle-end.
4988 * expr.c (store_expr, store_constructor, get_inner_reference,
4989 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4991 * tree.c (build_range_type): Likewise.
4993 2006-04-04 Tom Tromey <tromey@redhat.com>
4995 * doc/install.texi (Prerequisites): Mention jar.
4997 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4999 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5002 2006-04-04 Matthias Klose <doko@debian.org>
5004 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5005 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5008 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5010 * doc/extend.texi (Function Attributes): Rewrite visibility
5011 attribute documentation.
5012 * doc/invoke.texi (C++ Dialect Options): Rewrite
5013 -fvisibility-inlines-hidden documentation to describe something
5014 entirely different, although in practise compatible.
5015 (Code Gen Options): Warn about system headers in -fvisibility=
5018 * doc/extend.texi (Other Builtins): Document that
5019 __builtin_nan is a compile-time constant only when its argument
5022 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5024 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5025 trying to remove TRUNCATE check if all bits outside the new mode
5026 are identical to the sign bit.
5028 2006-04-03 Jeff Law <law@redhat.com>
5030 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5031 and operand scanning in some common cases.
5033 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5034 Dale Johannesen <dalej@apple.com>
5037 * regclass.c (struct reg_pref): Update documentation.
5038 (regclass): Set prefclass to NO_REGS if memory is the best option.
5039 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5040 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5041 into account. For non-registers, equate an empty preferred
5042 reload class to a `!' in the constraint; move the if clause to
5043 do so after those that reject the insn.
5044 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5046 (find_dummy_reload): Likewise.
5047 * doc/tm.texi (Register Classes): Document what it means
5048 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5049 * config/i386/i386.c (ix86_preferred_reload_class): Force
5050 using SSE registers (and return NO_REGS for floating-point
5051 constants) if math is done with SSE.
5052 (ix86_preferred_output_reload_class): New.
5053 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5054 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5055 * config/i386/i386.md: Remove # register preferences.
5057 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5060 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5061 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5062 the type of nb_iter.
5063 (instantiate_parameters_1): Convert the operands before calling
5064 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5065 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5067 2006-04-02 Roger Sayle <roger@eyesopen.com>
5069 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5070 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5072 * dojump.c (do_jump): Likewise.
5073 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5074 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5075 gimplify_boolean_expr): Likewise.
5076 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5077 * varasm.c (array_size_for_constructor): Likewise.
5078 * tree-object-size.c (compute_object_offset): Likewise.
5080 2006-04-02 Roger Sayle <roger@eyesopen.com>
5083 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5084 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5086 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5088 PR tree-optimization/26939
5089 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5091 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5093 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5094 at_stmt. Convert the type of operands before calling
5095 build_polynomial_chrec.
5096 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5098 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5099 (instantiate_parameters_1): Convert the type of operands before calling
5100 build_polynomial_chrec.
5101 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5102 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5103 reset_evolution_in_loop): Insert asserts to check the types of the
5105 (chrec_type): Moved...
5106 (eq_evolutions_p): Use operand_equal_p.
5107 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5108 the types of the operands.
5109 (chrec_type): ...here.
5110 * tree-data-ref.c (create_data_ref): Convert the operands before
5111 calling chrec_replace_initial_condition.
5112 (same_access_functions, analyze_subscript_affine_affine,
5113 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5114 (compute_subscript_distance, analyze_ziv_subscript,
5115 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5116 analyze_miv_subscript): Convert the operands before calling
5117 chrec_fold_minus or chrec_fold_plus.
5119 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5121 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5122 the dependence_relations vector.
5123 (compute_data_dependences_for_loop): Adjust call to
5124 compute_all_dependences.
5126 2006-04-01 Roger Sayle <roger@eyesopen.com>
5127 Richard Henderson <rth@redhat.com>
5129 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5130 gimple_boolify on the condition before calling gimplify_expr.
5132 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5134 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5135 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5136 the frame size. Update to use the new macros.
5137 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5138 * config/xtensa/ieee754-df.S: Likewise.
5140 2006-03-31 Richard Henderson <rth@redhat.com>
5142 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5143 (make_edges): ... here. Control fallthru creation with a local
5144 variable. Do not play with fake edges.
5145 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5146 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5149 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5151 * dwarf2.h (DW64_CIE_ID): Define.
5152 * dwarf2out.c (DWARF_CIE_ID): Define.
5153 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5154 length header. Use DWARF_CIE_ID.
5155 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5156 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5158 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5160 * config/sh/linux-atomic.asm: New file.
5161 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5163 2006-03-31 DJ Delorie <dj@redhat.com>
5165 * config/m32c/cond.md: Set condition flags properly throughout.
5166 * config/m32c/minmax.md: Likewise.
5167 * config/m32c/prologue.md: Likewise.
5168 * config/m32c/bitops.md: Likewise.
5169 * config/m32c/muldiv.md: Likewise.
5170 * config/m32c/mov.md: Likewise.
5171 * config/m32c/addsub.md: Likewise.
5172 * config/m32c/m32c.md: Likewise.
5173 * config/m32c/jump.md: Likewise.
5174 * config/m32c/shift.md: Likewise.
5176 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5177 conditionally output the pattern for this.
5178 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5179 (m32c_compare_redundant): New.
5180 (m32c_output_compare): New.
5181 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5183 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5184 dest, not src. Allow other 4-byte modes.
5186 2006-03-30 Denis Chertykov <denisc@overta.ru>
5188 * doc/md.texi: Refer to avr/constraints.md instead of
5191 2006-03-30 Roger Sayle <roger@eyesopen.com>
5193 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5194 signed vs. unsigned comparison failures on some hosts.
5196 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5199 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5200 change to FLOAT_REGS.
5202 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5203 (rs6000_override_options): Use it.
5204 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5205 only for -mabi=spe/no-spe and -mabi=altivec.
5207 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5209 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5212 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5214 * Makefile.in: Rename docdir to gcc_docdir.
5216 2006-03-30 Roger Sayle <roger@eyesopen.com>
5219 * expr.c (emit_group_store): Optimize group stores into a pseudo
5220 register by using a paradoxical subreg to initialize the destination
5221 if the first or last member of the group specifies a "low part".
5223 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5226 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5227 * target.h (struct gcc_target.speculate_insn): Change type of the
5228 second parameter to 'int'.
5229 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5230 the second operand of the DEPS_LIST.
5231 (copy_DEPS_LIST_list): Update reference to the second operand of the
5233 * rtl.h (alloc_DEPS_LIST): Update signature.
5234 * sched-int.h (ds_t): Change typedef to 'int'.
5235 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5237 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5239 * haifa-sched.c (try_ready): Change condition to restore
5240 non-speculative pattern of the instruction.
5241 (process_insn_depend_be_in_spec): Code to keep probability of the
5242 speculative dependence non-decreasing.
5244 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5246 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5247 (single_move_for_movmem): ... this. Also change all uses.
5248 (bfin_expand_strmov): Renamed to...
5249 (bfin_expand_movmem): ... this. Also change all uses.
5250 * config/bfin/bfin.md (movstrsi): Renamed to...
5251 (movstrsi): ...this.
5253 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5255 PR tree-optimization/26830
5257 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5258 (copy_prop_visit_stmt): Remove write-only variable ann.
5259 (init_copy_prop): Check variable loop depth here. Do not simulate
5260 memory-tag and virtual operand PHIs except for store copy prop.
5262 2006-03-30 Richard Guenther <rguenther@suse.de>
5264 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5265 variants with double arguments.
5267 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5269 * genpreds.c (write_tm_constrs_h): Delete variable p.
5270 * genconditions.c (write_header): Add tm-constrs.h to included
5272 * genpeep.c (main): Add toplev.h to included headers.
5273 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5274 (build/genpeep.o): Add toplev.h dependency.
5275 * config/rs6000/constraints.md: Add "W" constraint.
5277 2006-03-29 Roger Sayle <roger@eyesopen.com>
5279 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5280 sizes by correctly testing whether the size fits a host integer.
5281 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5282 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5283 SImode range for the default sizetype and bitsizetype.
5285 2006-03-29 Roger Sayle <roger@eyesopen.com>
5287 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5288 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5289 quickly if the argument is already of the correct type.
5290 Call fold_build1 instead of build1. Tidy up blank lines.
5292 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5294 * genemit.c (main): Add tm-constrs.h to included headers.
5295 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5296 * genpeep.c (main): Add tm-constrs.h to included headers.
5297 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5298 (write_tm_constrs_h): this and write complete file.
5299 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5300 (write_insn_preds_c): Add tm-constrs.h to included headers.
5301 (gen_constrs): New variable.
5302 (parse_option): Parse "-c".
5303 (main): Invoke write_tm_constrs_h.
5304 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5305 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5306 (object_out_file): Add tm-constrs.h dependency.
5307 (insn-emit.o): Same.
5308 (insn-output.o): Same.
5309 (insn-peep.o): Same.
5310 (insn-preds.o): Same.
5311 (insn-recog.o): Same.
5312 (tm-constsr.h): New target.
5313 (s-constrs-h): New target.
5315 * config/rs6000/constraints.md: New file.
5316 * config/rs6000/rs6000.c: Include tm-constrs.h.
5317 (num_insn_constant_wide): Convert to satisfies_constraint.
5318 (rs6000_rtx_costs): Convert to satisfies_constraint.
5319 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5320 (CONST_OK_FOR_LETTER_P): Delete.
5321 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5322 (EXTRA_CONSTRAINT): Delete.
5323 (EXTRA_MEMORY_CONSTRAINT): Delete.
5324 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5325 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5326 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5327 satisfies_constraint.
5329 * config/i386/i386.c: Include tm-constrs.h.
5331 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5333 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5334 * tree-data-ref.c (find_data_references_in_loop,
5335 compute_data_dependences_for_loop): Use pointers to VEC.
5336 (analyze_all_data_dependences): Adjust calls.
5337 * tree-data-ref.h (find_data_references_in_loop,
5338 compute_data_dependences_for_loop): Adjust declarations.
5339 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5340 compute_data_dependences_for_loop.
5342 2006-03-29 Paul Brook <paul@codesourcery.com>
5344 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5347 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5349 PR tree-optimization/26859
5350 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5352 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5353 for the step after fold_convert.
5355 2006-03-29 Paul Brook <paul@codesourcery.com>
5357 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5358 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5360 2006-03-29 Paul Brook <paul@codesourcery.com>
5363 * targhooks.c (default_narrow_bitfield): New fuction.
5364 * targhooks.h (default_narrow_bitfield): add prototype.
5365 * target.h (gcc_target): Add narrow_volatile_bitfield.
5366 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5367 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5368 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5369 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5371 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5373 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5375 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5376 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5377 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5378 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5379 (s390_function_arg_float): Allow SDmode and DDmode values to be
5380 passed in floating point registers.
5381 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5382 check with SCALAR_FLOAT_MODE_P.
5383 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5385 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5387 PR tree-optimization/25985
5388 * tree-ssa-loop-niter.c (number_of_iterations_le,
5389 number_of_iterations_ne): Make comments more precise.
5390 (number_of_iterations_cond): Add only_exit argument. Use the
5391 fact that signed variables do not overflow only when only_exit
5393 (loop_only_exit_p): New.
5394 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5395 number_of_iterations_cond.
5397 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5399 PR tree-optimization/26643
5400 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5403 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5405 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5406 (divsi3_i4_int): Likewise.
5408 2006-03-28 Roger Sayle <roger@eyesopen.com>
5410 * expr.c (emit_group_store): Only create a new pseudo reg if the
5411 quantity it needs to hold isn't already a suitable pseudo.
5413 2006-03-28 Jeff Law <law@redhat.com>
5415 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5416 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5418 2006-03-28 Roger Sayle <roger@eyesopen.com>
5420 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5421 the equivalent ~X & Y, and the symmetry related transformations.
5422 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5423 ~X & Y, and symmetry related transforms.
5425 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5427 Revert my 2006-03-27 patches.
5429 2006-03-28 Roger Sayle <roger@eyesopen.com>
5431 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5432 ~(T1)X, when T1 and T2 are integer types of the same precision
5433 and (T2)X isn't an extension.
5435 2006-03-28 Jeff Law <law@redhat.com>
5437 PR tree-optimization/26796
5438 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5439 need EH edge cleanups rather than purging them immediately.
5440 (eliminate_degenerate_phis): Handle queued EH cleanups.
5442 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5444 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5447 2006-03-27 Roger Sayle <roger@eyesopen.com>
5450 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5451 cast BIT_NOT_EXPR operand to the correct type.
5453 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5455 * tree-loop-linear.c: Don't include varray.h.
5456 (gather_interchange_stats, try_interchange_loops,
5457 linear_transform_loops): Use VEC instead of VARRAY.
5458 * lambda-mat.c: Don't include varray.h.
5459 * tree-chrec.c: Same.
5460 * lambda-trans.c: Same.
5461 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5462 VEC instead of VARRAY.
5463 * tree-vectorizer.h: Idem.
5464 * tree-data-ref.c (dump_data_references,
5465 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5466 initialize_data_dependence_relation, finalize_ddr_dependent,
5467 compute_all_dependences, find_data_references_in_loop,
5468 compute_data_dependences_for_loop, analyze_all_data_dependences,
5469 free_dependence_relation, free_dependence_relations,
5470 free_data_refs): Idem.
5471 * tree-data-ref.h (data_reference_p, subscript_p): New.
5472 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5473 VEC instead of VARRAY.
5474 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5475 (find_data_references_in_loop, compute_data_dependences_for_loop,
5476 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5477 dump_data_dependence_relations, free_dependence_relations,
5478 free_data_refs): Adjust declaration.
5479 (lambda_transform_legal_p): Move declaration here...
5480 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5481 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5482 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5483 vect_analyze_data_refs): Use VEC instead of VARRAY.
5484 * lambda.h (lambda_transform_legal_p): ...from here.
5485 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5486 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5487 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5488 tree-chrec.o): Don't depend on VARRAY_H.
5490 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5492 * rtl.def (Copyright): Update date.
5493 (DEPS_LIST): Change type of the second operand to 'int'.
5494 * target.h (Copyright): Update date.
5495 (struct gcc_target.speculate_insn): Change type of the second parameter
5497 * lists.c (Copyright): Update date.
5498 (alloc_DEPS_LIST): Change signature. Update reference to the second
5499 operand of the DEPS_LIST.
5500 (copy_DEPS_LIST_list): Update reference to the second operand of the
5502 * rtl.h (Copyright): Update date.
5503 (alloc_DEPS_LIST): Update signature.
5504 * sched-int.h (Copyright): Update date.
5505 (ds_t): Change typedef to 'int'.
5506 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5508 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5510 * haifa-sched.c (Copyright): Update date.
5511 (try_ready): Change condition to restore non-speculative pattern
5513 (process_insn_depend_be_in_spec): Code to keep probability of the
5514 speculative dependence non-decreasing.
5516 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5518 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5519 shut up the compiler.
5521 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5523 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5524 to use lib prefix for target.
5525 ($(T)libic_invalidate_array_4-200.a): Likewise.
5526 ($(T)libic_invalidate_array_4a.a): Likewise.
5528 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5529 J"orn Rennecke <joern.rennecke@st.com>
5531 * superh.opt: New file.
5532 * sh.c (boardtype, osruntime): Remove.
5533 * superh.h (SUBTARGET_OPTIONS): Remove.
5534 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5536 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5537 arguments with ^ and/or [].
5539 * config.gcc (sh-*-*): Add quoting to account for quirk of
5541 Replace == with = in enable_incomplete_targets test.
5543 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5544 with MASK_LITTLE_ENDIAN.
5546 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5547 * config/sh/sh.opt: Added to some comments.
5548 * config/sh/superh.h: Removed some chaff.
5550 * config/sh/sh.opt: Add m4-[1234]00* options.
5551 * config/sh/sh.c (sh_handle_option): Likewise.
5552 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5553 (ic_invalidate_array_4-100.o): New rule.
5554 ($(T)libic_invalidate_array_4-100.a): Likewise.
5555 (ic_invalidate_array_4-200.o): Likewise.
5556 ($(T)libic_invalidate_array_4-200.a): Likewise.
5557 (ic_invalidate_array_4a.o): Likewise.
5558 ($(T)libic_invalidate_array_4a.a): Likewise.
5559 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5560 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5562 * config/sh/crt1.asm: Merged in profiling code.
5563 * config/sh/superh.h (STARTFILE_SPEC): Override.
5564 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5565 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5566 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5568 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5569 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5570 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5572 * sh.opt (mpretend-cmove): New option.
5573 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5574 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5575 (movsicc): Add TARGET_PRETEND_CMOVE code.
5577 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5579 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5580 s390_class_max_nregs): New function prototypes.
5581 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5582 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5583 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5584 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5586 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5588 * dwarf2out.c (add_location_or_const_value_attribute): Call
5589 tree_add_const_value_attribute if nothing else works.
5590 (reference_to_unused): New.
5591 (rtl_for_decl_init): Use reference_to_unused to decide whether
5592 to output an initializer.
5594 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5597 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5598 peephole removing spe frob_di_df_2.
5600 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5602 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5603 (subscript_dependence_tester_1): Declared.
5604 (print_dir_vectors, print_dist_vectors): New.
5605 (debug_data_dependence_relation): New.
5606 (dump_data_dependence_relation): Print more details.
5607 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5608 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5609 (save_dist_v, save_dir_v, add_outer_distances,
5610 build_classic_dist_vector_1): New.
5611 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5612 Don't test for lambda_vector_lexico_pos.
5613 (same_access_functions, add_multivariate_self_dist,
5614 add_other_self_distances, dir_from_dist): New.
5615 (build_classic_dir_vector): Replace implementation almost identical to
5616 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5618 (subscript_dependence_tester_1): New.
5619 (subscript_dependence_tester): Handle the lexicographically negative
5620 distance vectors by recomputing the dependence relation.
5621 (compute_affine_dependence): Remove parameter loop_nest_depth.
5622 (compute_self_dependence): Don't call compute_subscript_distance.
5623 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5624 Add a parameter for the loop_nest.
5625 (find_loop_nest_1, find_loop_nest): New.
5626 (compute_data_dependences_for_loop): Compute the loop nest, and give
5627 up if the nest is not well formed.
5628 * tree-data-ref.h (loop_p): New.
5629 (struct data_dependence_relation): Replace size_vect field with
5630 loop_nest, a vec of loops.
5631 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5632 (DDR_LOOP_NEST): New.
5633 (print_dir_vectors, print_dist_vectors,
5634 debug_data_dependence_relation): Declared.
5635 (index_in_loop_nest): New.
5636 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5637 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5640 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5642 * simplify-rtx.c (simplify_relational_operation): Call
5643 simplify_relational_operation_1 even if mode is VOIDmode.
5645 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5647 PR tree-optimization/26804
5648 * tree.h (DECL_CALL_CLOBBERED): New macro.
5649 (tree_decl_common): Add call_clobbered_flag.
5650 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5651 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5652 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5653 (mark_non_addressable): Ditto.
5654 * tree-ssa.c (verify_call_clobbered): New function.
5655 (verify_alias_info): Use it.
5656 * tree-pass.h (pass_reset_cc_flags): New prototype.
5657 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5658 (reset_cc_flags): New function.
5659 * passes.c (init_optimization_passes): Call reset_cc_flags after
5660 initializing referenced_vars.
5662 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5663 Roger Sayle <roger@eyesopen.com>
5666 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5667 to 1.0 for non-real operands. Implement A / A optimization for
5670 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5672 * config/i386/i386.c (size_cost): Correct the comment for
5673 cost of storing fp registers.
5674 (i386_cost): Likewise.
5675 (i486_cost): Likewise.
5676 (pentium_cost): Likewise.
5677 (pentiumpro_cost): Likewise.
5678 (k6_cost): Likewise.
5679 (athlon_cost): Likewise.
5680 (k8_cost): Likewise.
5681 (pentium4_cost): Likewise.
5682 (nocona_cost): Likewise.
5683 (generic64_cost): Likewise.
5684 (generic32_cost): Likewise.
5686 2006-03-24 Denis Chertykov <denisc@overta.ru>
5688 * config/avr/avr-protos.h (extra_constraint): Delete.
5689 (extra_constraint_Q): New declaration.
5690 * config/avr/constraints.md: New file.
5691 * config/avr/avr.md: Include it.
5692 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5693 (TMP_REGNO, ZERO_REGNO): Likewise.
5694 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5695 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5696 (extra_constraint): Delete.
5697 (extra_constraint_Q): Test for memory constraint 'Q'.
5698 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5699 (REG_CLASS_FROM_LETTER): Delete.
5700 (CONST_OK_FOR_LETTER_P): Delete.
5701 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5702 (EXTRA_CONSTRAINT): Delete.
5703 (TMP_REGNO): Delete.
5704 (ZERO_REGNO): Delete.
5706 2006-03-24 Jeff Law <law@redhat.com>
5708 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5709 directly. Call mark_new_vars_to_rename slightly earlier.
5711 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5713 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5715 (gen_compile_unit_die): Use new language types for Objective-C and
5717 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5718 DW_LANG_C_plus_plus.
5721 * config/t-darwin (crt3.o): Work around bug 26840.
5722 * config/darwin-crt3.c: Rewrite.
5723 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5725 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5727 * doc/invoke.texi: Document -femit-class-debug-always
5728 * common.opt: Add -femit-class-debug-always.
5730 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5732 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5733 index and base register.
5734 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5735 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5736 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5737 REGNO_OK_FOR_INDEX_P.
5738 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5740 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5741 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5742 REG_OK_FOR_BASE_P): Definitions removed.
5744 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5747 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5748 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5749 set yet or weren't marked as local yet.
5751 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5753 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5756 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5758 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5759 (rs6000_legitimate_small_data_p): Delete.
5760 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5761 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5762 and make static. Add forward declaration. Update uses.
5763 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5764 of offsettable_memref_p.
5765 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5766 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5768 2006-03-24 Jeff Law <law@redhat.com>
5770 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5771 around bug in immediate-use iterator.
5773 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5776 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5777 or __LITTLE_ENDIAN__.
5779 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5781 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5782 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5783 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5784 * config/sh/sh.opt (mdiv=): Amend description.
5785 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5786 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5787 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5788 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5789 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5790 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5791 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5792 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5793 TARGET_DIVIDE_CALL_FP.
5795 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5797 * haifa-sched.c (choose_ready): Fix type of the local variable.
5798 Move local variables. Add comment.
5799 (check_reg_live): Change signature. Make callable from debugger.
5800 * sched-int.h (check_reg_live): Update signature.
5801 * sched-ebb.c (check_reg_live): Update parameters.
5802 * sched-rgn.c (check_reg_live): Ditto.
5803 (region_head_or_leaf_p): Check pointer before dereferencing.
5804 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5805 before reload on optimization levels below 1.
5807 2006-03-23 Richard Henderson <rth@redhat.com>
5809 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5813 * config/alpha/predicates.md (local_symbolic_operand): Reject
5816 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5819 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5820 expressions which have overflowed constants.
5822 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5824 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5826 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5828 * cfgloopmanip.c (create_loop_notes): Removed.
5829 * final.c (final_scan_insn): Do not handle loop notes.
5830 * jump.c (squeeze_notes): Ditto.
5831 * cfglayout.c (skip_insns_after_block,
5832 duplicate_insn_chain): Ditto.
5833 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5835 * cfgloop.h (create_loop_notes): Declaration removed.
5837 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5839 * varasm.c (output_constant_pool): Restore fnname and fndecl
5841 (assemble_start_function): Adjust call accordingly.
5842 (assemble_end_function): Likewise.
5844 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5847 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5850 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5852 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5855 * system.h (ICE_EXIT_CODE): New macro.
5856 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5857 (diagnostic_action_after_output): Likewise.
5858 * gcc.c (fatal_ice): New function.
5859 (execute): Use it instead of fatal.
5860 (fancy_abort): Likewise.
5861 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5863 2006-03-22 Jeff Law <law@redhat.com>
5865 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5866 iv_analyze_result returning false.
5868 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5870 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5872 2006-03-22 Richard Henderson <rth@redhat.com>
5875 * except.c (duplicate_eh_regions_0): New.
5876 (duplicate_eh_region_1): Duplicate the children of the node as
5877 well as the node itself. Link them up properly.
5878 (duplicate_eh_region_2): Merge into ...
5879 (duplicate_eh_regions): ... here. Take copy_region argument, and
5880 copy only a sub-tree if asked. Simplify copying and fixup.
5881 (eh_region_outer_p): New.
5882 * except.h (duplicate_eh_regions): Update decl.
5883 (eh_region_outer_p): Declare.
5884 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5885 (lower_omp_master): Likewise.
5886 (lower_omp_ordered): Likewise.
5887 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5888 (move_stmt_r): Use it to remap labels. Handle recursion vs
5889 remap_decls_p properly.
5890 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5891 (find_outermost_region_in_block): New.
5892 (new_label_mapper): New.
5893 (move_sese_region_to_fn): Copy eh information to the new function
5895 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5897 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5900 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5902 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5903 into shared libraries.
5905 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5907 * doc/md.texi: Refer to i386/constraints.md instead of
5909 * config/i386/constraints.md: New file, extracted from...
5910 * config/i386/predicates.md: ...here.
5911 * config/i386/i386.md: Include constraints.md.
5913 2006-03-21 Jason Merrill <jason@redhat.com>
5915 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5918 * expr.c (init_block_move_fn): Force default visibility.
5919 (init_block_clear_fn): Likewise.
5920 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5921 * targhooks.c (default_external_stack_protect_fail): Likewise.
5923 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5925 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5926 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5927 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5928 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5929 (loadgp): Use mips_current_loadgp_style.
5930 (loadgp_noshared): New pattern.
5931 (sibcall_internal): Use MIPS_CALL.
5932 (sibcall_value_internal): Likewise.
5933 (sibcall_value_multiple_internal): Likewise.
5934 (call_internal): Likewise.
5935 (call_value_internal): Likewise.
5936 (call_value_multiple_internal): Likewise.
5937 (call_split): Use MIPS_CALL and add an 'S' constraint.
5938 (call_value_split): Likewise.
5939 (call_value_multiple_split): Likewise.
5940 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5941 (-mshared): New option.
5942 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5943 (mips_current_loadgp_style): Declare.
5944 * config/mips/mips.c (mips_classify_symbol): Avoid using
5945 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5946 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5947 TARGET_ABSOLUTE_ABICALLS.
5948 (override_options): Adjust comments. Improve the warning that is
5949 issued when -mabicalls and -G are used together.
5950 (mips_file_start): Remove comment.
5951 (mips_current_loadgp_style): New function.
5952 (mips_gnu_local_gp): New variable.
5953 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5955 (mips_output_function_prologue): Use mips_current_laodgp_style.
5956 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5957 the cprestore instruction.
5958 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5959 live for TARGET_ABSOLUTE_ABICALLS.
5960 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5961 (ASM_SPEC): Pass down -mshared and -mno-shared.
5962 (MIPS_CALL): New macro.
5963 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5965 * doc/invoke.texi (-mabicalls): Update documentation.
5966 (-mshared): Document.
5968 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5970 * config/ia64/unwind-hpux.c: New file.
5971 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5973 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5976 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5978 2006-03-21 Jeff Law <law@redhat.com>
5980 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5981 type conversions of a VR_VARYING source to a wider type.
5983 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5985 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5986 tm_file on Solaris 10 and later.
5987 (sparc64-*-solaris2*): Likewise.
5988 (sparc-*-solaris2*): Likewise.
5989 * config/sol26.h: Rename to config/sol2-6.h.
5990 * config/sol2-10.h: New file.
5992 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5995 * tree-ssa-pre.c (create_component_ref_by_pieces):
5998 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6001 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6002 return it immediately.
6004 2006-03-21 Michael Matz <matz@suse.de>
6006 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6008 (remove_arc, add_arc): Update num_out_arcs member.
6009 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6011 (cache_presence): New function.
6012 (compare_states_for_equiv): New function.
6013 (state_is_differed): Don't take number of outargs, adjust callers.
6014 Use new invariant for speeding up.
6015 (init_equiv_class): Create initial classes based on sorted
6017 (partition_equiv_class): Don't track out_arcs_num.
6018 (evaluate_equiv_classes): Call cache_presence on all states and
6021 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6023 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6024 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6025 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6026 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6028 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6029 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6030 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6031 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6032 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6034 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6035 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6036 (REGNO_REG_CLASS): ARGP is in PREGS.
6037 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6039 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6040 to deal with those addresses.
6041 * addresses.h: New file.
6042 * caller-save.c: Include "addresses.h".
6043 (init_caller_save): Use new base_reg_class function.
6044 * rtl-factoring.c: Include "addresses.h".
6045 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6046 * recog.c: Include "addresses.h".
6047 (preprocess_constraints): Use new base_reg_class function.
6048 * regrename.c: Include "addresses.h".
6049 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6050 functions. Keep track of a new var INDEX_CODE to compute valid
6052 (replace_oldest_value_addr): Likewise.
6053 (replace_oldest_value_mem): Use base_reg_class.
6054 * reload.c: Include "addresses.h".
6055 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6056 (find_reloads): Use new base_reg_class function.
6057 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6058 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6059 all callers and prototype changed.
6060 * reload1.c: Include "addresses.h".
6061 (maybe_fix_stack_asms): Use base_reg_class.
6062 * regclass.c: Include "addresses.h".
6063 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6064 (init_reg_autoinc): Use new base_reg_class function.
6065 (record_reg_classes): Likewise.
6066 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6067 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6068 Use new args to compute necessary class.
6070 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6071 regrename.o, rtl-factoring.o): Update dependencies.
6072 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6073 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6074 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6075 REG_OK_FOR_INDEX_P): Delete documentation.
6077 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6079 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6080 from V7 to V9 for Solaris 7 and above.
6082 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6084 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6085 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6086 argument pointers may not alias any other storage.
6087 * common.opt: Define option -fargument-noalias-anything.
6088 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6089 alias semantics is specified by flag_argument_noalias > 2.
6091 2006-03-20 Jeff Law <law@redhat.com>
6093 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6094 (pass_phi_only_cprop): Declare.
6095 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6097 * tree-ssa-dom.c (degenerate_phi_result): New function.
6098 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6099 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6100 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6101 (eliminate_degenerate_phis): Likewise.
6102 (pass_phi_only_cprop): New pass descriptor.
6103 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6104 support code. Callers updated.
6105 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6106 (store_copy_prop): Likewise.
6107 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6109 2006-03-20 Jason Merrill <jason@redhat.com>
6112 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6113 (push_visibility, pop_visibility): Likewise.
6114 * c-pragma.h: Declare them.
6116 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6118 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6120 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6121 parameter and use get_ebb_head_tail.
6122 (sh_md_init_global): Adjust uses of find_regmode_weight.
6124 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6126 * function.h (struct function) <x_tail_recursion_reentry>:
6127 Rename to x_stack_check_probe_note.
6128 (tail_recursion_reentry): Rename to stack_check_probe_note.
6129 * function.c: Replace tail_recursion_reentry with
6130 stack_check_probe_note everywhere.
6131 (expand_function_start): Only emit a note for
6132 stack_check_probe_note with -fstack-protect.
6133 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6135 * emit-rtl.c (remove_unnecessary_notes): Remove.
6136 (pass_remove_unnecessary_notes): Remove.
6137 * rtl.h (remove_unnecessary_notes): Remove prototype.
6138 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6139 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6140 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6142 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6145 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6146 (valid_in_set): Handle ARRAY_REF.
6147 Change "if min_variant or VH" to asserts.
6148 (create_component_ref_by_pieces): Handle ARRAY_REF.
6149 (create_expression_by_pieces): Likewise.
6150 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6152 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6154 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6155 is operand of switch, not str[0].
6157 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6159 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6160 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6162 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6164 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6165 end of insn_extra_address_constraint declaration.
6167 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6169 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6170 (no-sum-in-toc): Same.
6171 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6173 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6174 NO_FP_IN_TOC for -fPIC instead of mask.
6176 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6177 (BOOT_LDFLAGS): Delete.
6179 * config/rs6000/t-aix52: Same.
6181 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6182 (stmsi[345678]_power): New.
6184 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6186 * config/ia64/ia64.opt: Add empty line to end of file.
6188 2006-03-17 Richard Guenther <rguenther@suse.de>
6191 * builtins.c (get_pointer_alignment): For component style references
6192 adjust alignment to the component type alignment. Make sure
6193 to adjust alignment for component access of constants.
6195 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6197 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6200 2006-03-17 Paul Brook <paul@codesourcery.com>
6202 * doc/install.texi: Docuemnt --with-mode.
6203 * config.gcc: Add --with-mode for arm*-*-*.
6204 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6206 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6208 * sh.c (max_labelno_before_reorg): New variable.
6209 (sh_reorg): Initialize it.
6210 (find_barrier): Check max_labelno_before_reorg before using
6211 label_to_alignment. Take length of explicit alignment insns
6212 into account. When seeing a UNSPECV_CONST_END, return it.
6214 * sh.c (fixup_mova): Set mode of affected label to QImode.
6215 (untangle_mova): New function.
6216 (find_barrier): Use it. Check mode of label before decrementing
6218 (sh_reorg): Likewise.
6219 Set mode of all insns back to VOIDmode.
6221 * sh.c (MOVA_LABELREF): New macro.
6222 (mova_p, fixup_mova, sh_reorg): Use it.
6223 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6224 ADDR_DIFF_VEC matches mova.
6226 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6228 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6229 with ATTRIBUTE_UNUSED.
6231 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6233 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6234 pointer, instead of assuming it is possible to derive the
6235 correct args size from a call insn.
6237 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6239 * rtl.h (CONST_INT_P): Define.
6240 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6241 instead of GET_CODE(x) == CONST_INT.
6242 (vax_rtx_costs): Likewise.
6243 (vax_output_int_move): Likewise.
6244 (vax_output_int_add): Likewise.
6245 (legitimate_constant_address_p): Likewise.
6246 (index_term_p): Likewise.
6247 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6248 * config/vax/vax.md (and<mode>3): Likewise.
6249 (ashrsi3): Likewise.
6251 (movstricthi): Likewise.
6252 (movstrictqi): Likewise.
6253 (rotrsi3): Likewise.
6254 (five unnamed insns): Likewise.
6256 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6258 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6259 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6260 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6261 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6262 Pass to ASM_OUTPUT_DWARF_OFFSET.
6263 * dwarf2out.c (debug_frame_section): New.
6264 (output_call_frame_info): Use debug_frame_section. Pass it to
6265 dw2_asm_output_offset.
6266 (output_die): Pass appropriate section to dw2_asm_output_offset.
6267 (output_compilation_unit_header): Likewise.
6268 (output_pubnames): Likewise.
6269 (output_aranges): Likewise.
6270 (enum dw_val_class): Break dw_val_class_lbl_offset into
6271 dw_val_class_lineptr and dw_val_class_macptr.
6272 (add_AT_lbl_offset): Delete.
6273 (add_AT_lineptr): New.
6274 (add_AT_macptr): New.
6275 (AT_lbl): Expect a lineptr or macptr.
6276 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6277 (attr_checksum): Likewise.
6278 (same_dw_val_p): Likewise.
6279 (size_of_die): Likewise.
6280 (value_format): Likewise.
6281 (output_die): Likewise.
6282 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6284 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6285 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6286 * config/darwin-protos.h (darwin_file_start): New.
6287 (darwin_asm_output_dwarf_offset): New.
6288 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6289 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6291 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6292 if not EH section; simplify.
6293 (darwin_file_start): New.
6294 (darwin_asm_output_dwarf_offset): New.
6295 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6297 (DEBUG_INFO_SECTION): Likewise.
6298 (DEBUG_ABBREV_SECTION): Likewise.
6299 (DEBUG_ARANGES_SECTION): Likewise.
6300 (DEBUG_MACINFO_SECTION): Likewise.
6301 (DEBUG_LINE_SECTION): Likewise.
6302 (DEBUG_LOC_SECTION): Likewise.
6303 (DEBUG_PUBNAMES_SECTION): Likewise.
6304 (DEBUG_STR_SECTION): Likewise.
6305 (DEBUG_RANGES_SECTION): Likewise.
6306 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6307 (ASM_OUTPUT_DWARF_OFFSET): New.
6309 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6311 * config.gcc (tm_defines): Always add to previous value rather
6314 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6316 * config/mips/predicates.md (splittable_const_int_operand): New,
6317 split from move_operand.
6318 (splittable_symbolic_operand): New.
6319 (move_operand): Add commentary. Use splittable_const_int_operand.
6320 Inline mips_atomic_symbolic_constant_p.
6321 * config/mips/mips.md: Add combine splitters for handling moves
6322 of splittable_const_int_operands and splittable_symbolic_operands.
6323 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6324 (mips_split_symbol): Declare.
6325 (mips_move_integer): Declare.
6326 * config/mips/mips.c (mips_split_p): Make global.
6327 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6328 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6329 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6330 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6331 (mips_offset_within_object_p): Handle block symbols.
6332 (mips_atomic_symbolic_constant_p): Delete.
6333 (mips_cannot_force_const_mem): Return false for constants that
6334 mips_legitimize_move can handle.
6335 (mips_use_blocks_for_constant_p): New function.
6336 (mips_split_symbol): Make global.
6337 (mips_move_integer): Likewise. Add a temporary register argument.
6338 (mips_legitimize_const_move): Use splittable_const_int_operand and
6339 splittable_symbolic_operand.
6340 (mips_use_anchors_for_symbol_p): New function.
6341 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6342 (mips_split_p): Declare.
6344 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6346 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6347 (mips*-*-linux*): Likewise.
6349 2006-03-16 Roger Sayle <roger@eyesopen.com>
6350 Daniel Speyer <dspeyer@wam.umd.edu>
6353 * tree-dump.c (dump_real): New function.
6354 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6355 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6356 (tree-dump.o): Add $(REAL_H) to the dependencies.
6358 2006-03-16 Roger Sayle <roger@eyesopen.com>
6361 * real.c (real_from_string): If the mantissa is zero, don't bother
6362 parsing the exponent as the result should always be zero.
6364 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6366 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6368 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6370 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6371 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6372 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6373 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6374 ia64_sched_finish_global): New static functions to implement
6375 hooks from gcc_target.sched.
6376 (spec_check_no, max_uid, pending_data_specs): New static variables.
6377 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6378 ia64_spec_check_src_p): New static functions.
6379 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6380 (TARGET_SCHED_ADJUST_COST): Removed.
6381 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6382 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6383 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6384 TARGET_SCHED_GEN_CHECK,
6385 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6386 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6387 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6388 Fixed to handle speculation checks.
6389 (rtx_needs_barrier): Fixed to handle speculative loads and
6391 (ia64_variable_issue): Added code to count speculative loads and their
6393 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6395 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6397 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6399 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6400 (ia64_reorg): Reset stops_p to NULL after it is freed.
6401 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6402 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6403 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6405 (data_speculative, control_speculative, check_load): New attributes.
6406 (mov<mode>_advanced, mov<mode>_speculative,
6407 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6408 zero_extend<mode>di2_speculative,
6409 zero_extend<mode>di2_speculative_advanced): New patterns for
6410 data and control speculative loads.
6411 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6413 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6414 New pattern for data and control speculation checks.
6415 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6416 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6417 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6418 Auxiliary definitions for the patterns.
6419 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6420 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6422 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6424 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6425 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6426 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6427 New resource constraints.
6428 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6430 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6431 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6432 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6433 msched-in-control-spec, msched-ldc, msched-control-ldc,
6434 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6435 msched-prefer-non-control-spec-insns,
6436 msched-count-spec-in-critical-path): New flags to tune speculative
6438 * doc/invoke.texi (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): Document new flags.
6445 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6447 * target.h (struct spec_info_def): New opaque declaration.
6448 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6449 speculate_insn, needs_block_p, gen_check,
6450 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6451 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6452 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6453 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6454 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6455 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6457 (TARGET_SCHED): Use new macros.
6458 * rtl.h (copy_DEPS_LIST_list): New prototype.
6459 * sched-int.h (struct sched_info): Change signature of new_ready field,
6460 adjust all initializations. New fields: add_remove_insn,
6461 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6462 region_head_or_leaf_p.
6463 (struct spec_info_def): New structure declaration.
6464 (spec_info_t): New typedef.
6465 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6466 recovery_block, orig_pat.
6467 (glat_start, glat_end): New variables declaraions.
6468 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6470 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6471 DETACH_LIFE_INFO, USE_GLAT.
6472 (enum SPEC_SCHED_FLAGS): New enumeration.
6473 (NOTE_NOTE_BB_P): New macro.
6474 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6475 attach_life_info, debug_spec_status, check_reg_live): New functions.
6476 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6477 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6479 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6480 * ddg.c (get_block_head_tail): Adjust all uses.
6481 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6482 (sms_sched_info): Initialize new fields.
6483 (contributes_to_priority): Removed.
6484 * haifa-sched.c (params.h): New include.
6485 (get_block_head_tail): Adjust all uses.
6486 (ISSUE_POINTS): New macro.
6487 (glat_start, glat_end): New global variables.
6488 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6489 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6490 old_last_basic_block, before_recovery, current_sched_info_var,
6491 rgn_n_insns, luid): New static variables.
6492 (insn_cost1): New function. Move logic from insn_cost to here.
6493 (find_insn_reg_weight1): New function. Move logic from
6494 find_insn_reg_weight to here.
6495 (reemit_notes, move_insn, max_issue): Change signature.
6496 (move_insn1): Removed.
6497 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6498 extend_bb): New static functions to support extension of scheduler's
6500 (generate_recovery_code, process_insn_depend_be_in_spec,
6501 begin_speculative_block, add_to_speculative_block,
6502 init_before_recovery, create_recovery_block, create_check_block_twin,
6503 fix_recovery_deps): New static functions to support
6504 generation of recovery code.
6505 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6506 restore_bb_notes, move_block_after_check, move_succs): New static
6507 functions to support ebb scheduling.
6508 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6509 functions to support handling of register live information.
6510 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6511 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6512 add_jump_dependencies): New static functions.
6513 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6514 consistancy checking.
6515 (debug_spec_status): New function to call from debugger.
6516 (priority): Added code to handle speculation checks.
6517 (rank_for_schedule): Added code to distinguish speculative instructions.
6518 (schedule_insn): Added code to handle speculation checks.
6519 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6520 Fixed to handle ebbs.
6521 (move_insn): Added code to handle ebb scheduling.
6522 (max_issue): Added code to use ISSUE_POINTS of instructions.
6523 (choose_ready): Added code to choose between speculative and
6524 non-speculative instructions.
6525 (schedule_block): Added code to handle ebb scheduling and scheduling of
6526 speculative instructions.
6527 (sched_init): Initialize new variables.
6528 (sched_finish): Free new variables. Print statistics.
6529 (try_ready): Added code to handle speculative instructions.
6530 * lists.c (copy_DEPS_LIST_list): New function.
6531 * sched-deps.c (extend_dependency_caches): New function. Move logic
6532 from create_dependency_caches to here.
6533 (get_dep_weak, ds_merge): Make global.
6534 * genattr.c (main): Code to output prototype for
6535 dfa_clear_single_insn_cache.
6536 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6537 (output_dfa_clean_insn_cache_func): Code to output
6538 dfa_clear_single_insn_cache function.
6539 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6541 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6543 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6544 New static variables.
6545 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6546 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6548 (ebb_sched_info): Initialize new fields.
6549 (get_block_head_tail): Adjust all uses.
6550 (compute_jump_reg_dependencies): Fixed to use glat_start.
6551 (schedule_ebb): Code to remove unreachable last block.
6552 (schedule_ebbs): Added code to update register live information.
6553 * sched-rgn.c (region_sched_info): Initialize new fields.
6554 (get_block_head_tail): Adjust all uses.
6555 (last_was_jump): Removed. Adjust users.
6556 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6557 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6558 Implement new hooks.
6559 (check_dead_notes1): New static function.
6560 (struct region): New fields: dont_calc_deps, has_real_ebb.
6561 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6562 (BB_TO_BLOCK): Fixed to handle EBBs.
6563 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6564 (ebb_head): New static variable.
6565 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6566 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6568 (compute_dom_prob_ps): New assertion.
6569 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6570 global_live_at_start.
6571 (init_ready_list): New assertions.
6572 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6573 (new_ready): Add support for BEGIN_CONTROL speculation.
6574 (schedule_insns): Fixed code that updates register live information
6576 (schedule_region): Fixed to handle EBBs.
6577 (init_regions): Use extend_regions and check_dead_notes1.
6578 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6579 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6580 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6581 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6582 TARGET_SCHED_GEN_CHECK,
6583 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6584 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6585 * doc/invoke.texi (max-sched-insn-conflict-delay,
6586 sched-spec-prob-cutoff): Document.
6588 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6590 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6591 inter_tick, queue_index.
6592 (struct sched_info): Change signature of init_ready_list field.
6593 Adjust all initializations.
6594 (RESOLVED_DEPS): New access macro.
6595 (ready_add): Remove prototype.
6596 (try_ready): Add prototype.
6597 * sched-rgn.c (init_ready_list): Use try_ready.
6598 (schedule_region): Initialize
6599 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6600 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6601 (init_ready_list): Use try_ready.
6602 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6603 * lists.c (remove_list_elem): Remove `static'.
6604 (remove_free_INSN_LIST_elem): New function.
6605 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6606 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6607 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6609 (readyp): New variable.
6610 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6611 change_queue_index, resolve_dep): New static functions.
6612 (try_ready): New function. Adjust callers in sched-rgn.c and
6613 sched-ebb.c to use it instead of ready_add.
6614 (clock_var): Move at the begining of file.
6615 (rank_for_schedule): Fix typo.
6616 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6617 (ready_lastpos): Enforce assertion.
6618 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6620 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6621 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6622 (queue_to_ready): Use free_INSN_LIST_list.
6623 (early_queue_to_ready): Fix typo.
6624 (schedule_block): Init readyp. Move init_ready_list call after the
6625 initialization of clock_var. Fix error in rejecting insn by
6626 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6627 that previously corrected INSN_TICKs. Add code for handling
6629 (set_priorities): Fix typo.
6630 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6631 Clarify comment and code that keeps current_sched_info->next_tail
6634 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6636 * sched-rgn.c (extend_rgns): New static function.
6637 (find_rgns): Use it.
6638 (gather_region_statistics, print_region_statistics): New static
6640 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6641 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6643 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6644 Andrey Belevantsev <abel@ispras.ru>
6646 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6647 * lists.c (unused_deps_list): New variable.
6648 (free_list): Add assertions to verify the proper distinguishing
6649 between INSN_LISTs and DEPS_LISTs.
6650 (find_list_elem, remove_list_elem, remove_list_node): New static
6652 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6653 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6654 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6655 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6657 (free_INSN_LIST_node): Likewise.
6658 * modulo-sched.c (current_sched_info): Initialize flags field.
6659 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6660 * rtl.def (DEPS_LIST): Define.
6661 * rtl.h: Declare new functions from lists.c.
6662 * sched-deps.c (spec_dependency_cache): New static variable.
6663 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6664 (add_dependence): Change return type to void. Move the logic to ...
6665 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6666 (delete_all_dependences): Add comment about forward_dependency_cache.
6667 Handle spec_dependency_cache. Handle DEPS_LISTs.
6668 (fixup_sched_groups): Clarify the change of priority of output
6669 and anti dependencies.
6670 (sched_analyze_2): Adjust add_dependence calls to create data
6671 speculative dependence.
6672 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6673 Adjust all callers. Handle DEPS_LISTS.
6674 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6675 presence of speculation.
6676 (init_dependency_caches, free_dependency_caches):
6677 Handle spec_dependency_cache.
6678 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6679 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6680 New static functions.
6681 (add_or_update_back_dep, add_or_update_back_forw_dep,
6682 add_back_forw_dep, delete_back_forw_dep): New functions.
6683 * sched-int.h (ds_t, dw_t): New typedefs.
6684 (struct sched_info): Add new field flags.
6685 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6686 Prototype new sched-deps.c functions.
6687 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6688 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6689 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6690 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6691 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6692 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6694 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6696 * sched-rgn.c (current_sched_info): Initialize flags field.
6697 (schedule_insns): Initialize current_sched_info before the sched_init
6699 * sched-ebb.c (current_sched_info): Initialize flags field.
6700 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6701 Call add_or_update_back_dep instead of add_dependence.
6702 Create control speculative dependencies.
6703 (schedule_insns): Initialize current_sched_info before the sched_init
6706 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6708 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6710 (sh_fallback_frame_state): Likewise.
6712 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6714 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6715 Do switch on default_use_cxa_atexit.
6716 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6717 * config/darwin-crt3.o: New.
6718 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6719 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6720 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6722 * config/rs6000/t-darwin: Move crt2.o building to here.
6723 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6724 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6727 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6729 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6730 from '! xxx' to '!xxx' for coding-style conformance.
6731 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6732 (EXTRA_CONSTRAINT): Likewise.
6733 * config/vax/vax.md (four unnamed insns): Likewise.
6735 2006-03-15 Paul Brook <paul@codesourcery.com>
6737 * config/arm/arm.c (minipool_pad): New.
6738 (add_minipool_forward_ref): Include pool alignment padding in address
6740 (push_minipool_fix): Set minipool_pad.
6741 (minipool_pad): Ditto.
6743 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6745 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6746 instead of GET_CODE() == MEM and REG_P() instead of
6748 (print_operand_address): Likewise.
6749 (vax_address_cost): Likewise.
6750 (vax_rtx_costs): Likewise.
6751 (vax_notice_update_cc): Likewise.
6752 (vax_output_int_add): Likewise.
6753 (INDEX_REGISTER_P): Likewise.
6754 (BASE_REGISTER_P): Likewise.
6755 (nonindexed_address_p): Likewise.
6756 (vax_mode_dependent_address_p): Likewise.
6757 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6758 (PRINT_OPERAND): Likewise.
6759 * config/vax/vax.md (ashlsi3): Likewise.
6760 (ashlsi3): Likewise.
6761 (some more unnamed insns): Likewise.
6763 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6765 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6766 iterator-style macro.
6767 (mark_control_dependent_edges_necessary): Update the use of
6768 EXECUTE_IF_CONTROL_DEPENDENT.
6770 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6772 * config/sh/predicates.md (cache_address_operand): Special.
6773 (ua_address_operand): Likewise.
6775 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6777 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6779 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6781 2006-03-15 Andreas Schwab <schwab@suse.de>
6783 * gensupport.c (identify_predicable_attribute): Don't free p_false
6784 when it is still in use.
6786 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6788 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6789 the default setting here.
6791 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6793 * tree-pass.h (pass_cfg): Remove.
6794 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6795 * passes.c (pass_cfg): Don't run it.
6797 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6799 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6800 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6802 (stack_regs_mentioned): Update the uses of
6803 stack_regs_mentioned_data. Don't access the array beyond its
6805 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6806 Don't include gt-reg-stack.h.
6808 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6809 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6811 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6814 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6817 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6819 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6821 2006-03-14 Richard Guenther <rguenther@suse.de>
6823 PR tree-optimization/26672
6824 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6827 2006-03-14 Richard Guenther <rguenther@suse.de>
6829 PR tree-optimization/26667
6830 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6831 node for the callees. Always allow inlining if it will shrink
6834 2006-03-14 Richard Guenther <rguenther@suse.de>
6837 * builtins.c (get_pointer_alignment): Prefer alignment
6838 information from decls over that from types.
6840 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6843 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6845 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6847 * config/rs6000/rs6000.opt (mdlmzb): New option.
6848 (msched-prolog, msched-epilog): Use Var not Mask.
6849 * doc/invoke.texi (-mdlmzb): Document.
6850 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6852 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6853 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6855 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6857 PR rtl-optimization/25739
6858 * bt-load.c (augment_live_range): Free tos pointer.
6860 * gensupport.c (identify_predicable_attribute): Free
6862 * gcov.c (create_file_names): Free name pointer.
6864 2006-03-13 Roger Sayle <roger@eyesopen.com>
6867 * stmt.c (emit_case_nodes): Handle the case where the index is a
6868 CONST_INT, where the comparison mode is specified by the index type.
6870 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6872 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6875 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6877 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6878 (*branch_fp_inverted): Likewise.
6880 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6883 * omp-low.c (expand_omp_for_generic): Mark istart0
6884 and iend0 as addressable.
6886 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6888 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6890 2006-03-13 Jeff Law <law@redhat.com>
6892 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6893 virtual operands are interesting.
6894 (vrp_visit_stmt): Corresponding changes.
6896 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6898 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6900 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6901 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6902 * config/bfin/crti.S: Use it instead of __PIC__.
6903 * config/bfin/crtn.S: Likewise.
6905 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6906 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6908 Lose 'G' modifier for call operand.
6909 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6910 recognize 'G' modifier.
6912 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6915 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6916 * stmt.c (expand_case): Likewise.
6918 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6920 PR rtl-optimization/26254
6921 * loop-invariant.c (seq_insns_valid_p): New function.
6922 (move_invariant_reg): Only emit new code if it is valid.
6924 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6926 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6928 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6929 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6930 (commit_one_edge_insertion): Do not look for loop notes.
6932 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6934 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6935 flag_test_coverage out of loop.
6937 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6939 * final.c (shorten_branches): Remove outdated comment, and turn
6940 the if branch that guards it to continue.
6942 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6944 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6945 * cfgloop.h (struct loop): Remove unused fields.
6947 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6949 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6950 (-dL, -fdump-rtl-loop2): Update the dump file names
6952 * doc/invoke.texi: Update dump file names.
6954 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6956 * predict.c (estimate_probability): Remove.
6957 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6958 * basic-block.h (estimate_probability): Remove prototype.
6959 * passes.c (finish_optimization_passes): Dump branch prediction or
6960 profiling heuristics to the .profile tree dump.
6961 (init_optimization_passes): Unqueue pass_branch_prob.
6963 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6965 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6967 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6968 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6970 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6972 * function.h (frame_offset_overflow): Declare.
6973 * function.c (frame_offset_overflow): New function.
6974 (assign_stack_local_1): Call it to detect that the offset overflows.
6975 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6977 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6979 * config/sh/sh.c: Include alloc-pool.h.
6980 (label_ref_list_pool): New alloc pool.
6981 (label_ref_list_t): New type for lists of labels.
6982 (struct pool_node): Make wend a label_ref_list_t.
6983 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6985 (dump_table): Likewise.
6986 (sh_reorg): Set up the alloc pool before using add_constant and
6987 dump_table, and destroy it when finishing.
6989 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6991 * config/mips/mips.c: Remove redundant comment.
6993 2006-03-10 Jason Merrill <jason@redhat.com>
6996 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6997 the target was declared 'register'.
6999 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7001 * genpreds.c (write_insn_constraint_len): Change definition of
7002 insn_constraint_len to return size_t to match the declaration.
7004 2006-03-10 DJ Delorie <dj@redhat.com>
7006 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7008 (m32c_expand_insv): Fix test for an AND mask.
7010 2006-03-10 Richard Guenther <rguenther@suse.de>
7013 * builtins.c (get_pointer_alignment): Handle component
7014 references for field alignment.
7016 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7018 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7019 when building with libgloss.
7020 (sh*elf): Implement --without-fp option.
7021 (sh64-superh-linux*): Don't multilib.
7023 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7025 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7027 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7029 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7030 Set it when one of the replacement functions returned true.
7031 Return TODO_cleanup_cfg if cfgchanged is true.
7032 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7034 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7036 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7037 instead of gen_lowpart.
7039 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7041 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7043 (mips_output_order_conditional_branch): Declare.
7044 * config/mips/mips.h (MIPS_BRANCH): New macro.
7045 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7046 for the comparison. Use gen_condjump.
7047 (mips_output_conditional_branch): Rework interface to take the
7048 asm templates for a direct branch and the inverse of a direct branch.
7049 (mips_output_order_conditional_branch): New function.
7050 (mips_builtin_branch_and_move): New function.
7051 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7052 branch condition. Use gen_single_cc as the condition for
7053 __builtin_mips_upper_* or __builtin_mips_lower_*.
7054 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7055 Use VOIDmode for the branch condition.
7056 * config/mips/predicates.md (order_operator): New predicate.
7057 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7058 (branch_fp): Rename to...
7059 (*branch_fp): ...this. Remove mode from comparison operator.
7060 Use new mips_output_conditional_branch interface.
7061 (branch_fp_inverted): Rename to...
7062 (*branch_fp_inverted): ...this and update as for *branch_fp.
7063 (*branch_zero<mode>): Rename to...
7064 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7065 Use mips_output_order_conditional_branch. Only accept ordered
7067 (*branch_zero<mode>_inverted): Rename to...
7068 (*branch_order<mode>_inverted): ...this and update as for
7069 *branch_order<mode>.
7070 (*branch_equality<mode>): Accept zero as the second operand to
7071 the equality operator. Use the new mips_output_conditional_branch
7073 (*branch_equality<mode>_inverted): Likewise.
7074 (condjump): New expander.
7075 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7077 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7078 (bc1any2t, bc1any2f): Likewise.
7079 (single_cc): New expander.
7080 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7082 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7084 * doc/md.texi: Update documentation of MIPS constraints.
7085 * config/mips/constraints.md: New file.
7086 * config/mips/mips.md: Include it.
7087 * config/mips/mips.c (mips_char_to_class): Delete.
7088 (override_options): Don't initialize mips_char_to_class.
7089 * config/mips/mips.h (mips_char_to_class): Delete.
7090 (REG_CLASS_FROM_LETTER): Delete.
7091 (CONST_OK_FOR_LETTER_P): Delete.
7092 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7093 (EXTRA_CONSTRAINT_Y): Delete.
7094 (EXTRA_CONSTRAINT_STR): Delete.
7095 (CONSTRAINT_LEN): Delete.
7096 (EXTRA_MEMORY_CONSTRAINT): Delete.
7098 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7100 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7101 original fn's eh regions.
7103 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7105 * fold-const.c (build_range_check): Make sure to use a valid type to
7106 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7109 (range_predecessor): New static function.
7110 (range_successor): Likewise.
7111 (merge_ranges): Use them to compute predecessors and successors of
7114 2006-03-09 Roger Sayle <roger@eyesopen.com>
7117 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7118 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7120 2006-03-08 DJ Delorie <dj@redhat.com>
7122 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7123 (addpsi3): Expand to include memory operands. Remove
7124 reload-specific splits.
7125 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7126 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7127 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7128 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7129 (shift1_qi, shift1_hi, insv): New.
7130 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7131 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7132 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7134 * config/m32c/m32c-protos.h: Update as needed.
7135 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7136 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7137 Fail for unrecognized R* constraints.
7138 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7139 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7140 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7142 (m32c_init_libfuncs): New.
7143 (m32c_legitimate_address_p): Add debug wrapper.
7144 (m32c_rtx_costs): New.
7145 (m32c_address_cost): New.
7146 (conversions): Add 'B' prefix.
7147 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7148 operands, or word regnames for QI operands. 'B' prints bit
7150 (m32c_expand_setmemhi): New.
7151 (m32c_expand_movmemhi): New.
7152 (m32c_expand_movstr): New.
7153 (m32c_expand_cmpstr): New.
7154 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7155 (m32c_expand_neg_mulpsi3): Handle non-ints.
7156 (m32c_cmp_flg_0): New.
7157 (m32c_expand_movcc): New.
7158 (m32c_expand_insv): New.
7159 (m32c_scc_pattern): New.
7160 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7161 a0/a1 out of SIregs.
7162 (STORE_FLAG_VALUE): New.
7163 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7166 * config/m32c/mov.md: Make constraints more liberal.
7167 (zero_extendqihi2): Optimize r0/r1 case.
7168 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7169 * config/m32c/predicates.md (m32c_any_operand): New.
7170 (m32c_nonimmediate_operand): New.
7171 (m32c_hl_operand): New.
7172 (m32c_r3_operand): New.
7175 (memsym_operand): New.
7176 (memimmed_operand): New.
7177 (a_qi_operand): New.
7178 (m32c_eqne_operator): New.
7179 (m32c_1bit8_operand): New.
7180 (m32c_1bit16_operand): New.
7181 (m32c_1mask8_operand): New.
7182 (m32c_1mask16_operand): New.
7183 * config/m32c/blkmov.md: New file.
7184 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7186 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7188 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7189 unsigned to fix signed/unsigned comparison issue in
7190 DWARF2_FRAME_REG_OUT.
7191 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7192 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7194 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7195 of ptr into the ENABLE_CHECKING section.
7197 2006-03-08 Jeff Law <law@redhat.com>
7199 * tree-vrp.c (infer_value_range): Only count pointer uses
7200 and dereferences if -fdelete-null-pointer-checks is enabled.
7202 * tree-vrp.c (find_assert_locations): Infer value ranges for
7203 single use pointers, but do not create ASSERT_EXPRs for them.
7204 When a non-null range is inferred for a pointer, backwards
7205 propagate that range to other equivalent pointers through the
7208 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7211 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7212 language hook targets.
7213 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7214 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7215 if language hook targets were missing.
7217 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7219 * tree-ssa-opfinalize.h: Removed.
7220 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7222 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7223 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7224 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7225 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7226 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7227 finalize_ssa_v_must_def_ops): New.
7229 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7231 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7234 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7236 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7238 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7239 addresses with offsets; reorganize.
7241 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7242 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7243 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7245 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7248 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7250 2006-03-08 Ben Elliston <bje@au.ibm.com>
7252 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7254 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7257 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7260 2006-03-07 Richard Guenther <rguenther@suse.de>
7262 PR tree-optimization/26587
7263 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7265 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7267 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7269 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7271 * hooks.c (hook_bool_mode_rtx_true): New function.
7272 * hooks.h (hook_bool_mode_rtx_true): Declare.
7273 * toplev.c (compile_file): Call output_shared_constant_pool.
7274 * varasm.c (shared_constant_pool): New variable.
7275 (assemble_start_function, assemble_end_function): Remove arguments
7276 from call to output_constant_pool.
7277 (create_constant_pool): New function, split out from...
7278 (init_varasm_status): ...here.
7279 (force_const_mem): Choose between the shared and per-function constant
7280 pools. Set current_function_uses_const_pool when reusing old entries
7281 as well as when creating new ones.
7282 (mark_constant): Ignore data argument.
7283 (mark_constants): Remove pool argument.
7284 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7285 to decide whether the function uses a constant pool.
7286 (output_constant_pool_contents): New function, split out from...
7287 (output_constant_pool): ...here.
7288 (output_shared_constant_pool): New function.
7289 (init_varasm_once): Initialize shared_constant_pool.
7290 * output.h (output_constant_pool): Delete.
7291 (output_shared_constant_pool): Declare.
7292 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7293 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7295 2006-03-06 Nick Clifton <nickc@redhat.com>
7297 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7298 flag_strength_reduce.
7300 2006-03-06 Ben Elliston <bje@au.ibm.com>
7302 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7303 x86_64-*-linux* configurations.
7305 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7306 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7308 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7310 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7312 * basic-block.h: Remove the extern for
7313 rediscover_loops_after_threading.
7315 * cfgloop.c (cancel_loop): Make it static.
7316 * cfgloop.h: Remove the prototype for cancel_loop.
7318 * flow.c (recompute_reg_usage): Make it static.
7319 * rtl.h: Remove the prototype for recompute_reg_usage.
7321 * function.c (use_return_register): Make it static.
7322 * function.h: Remove the prototype.
7324 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7326 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7328 * recog.h: Remove the prototype for
7329 validate_change_maybe_volatile.
7331 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7333 * rtlanal.c (replace_reg): Remove.
7334 * rtl.h: Remove the prototype for replace_reg.
7336 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7338 * regclass.c (reg_scan_update): Remove.
7339 (reg_scan_mark_refs): Remove the last argument.
7340 * rtl.h: Remove the prototype for reg_scan_update.
7342 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7344 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7345 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7346 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7347 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7348 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7349 loop-invariant.c, omp-low.c, opts.c, passes.c,
7350 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7351 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7352 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7353 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7354 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7355 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7357 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7359 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7360 * dwarf2out.h: Remove the prototype for
7361 dwarf2out_add_library_unit_info.
7363 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7365 * tree.c (add_var_to_bind_expr): Remove.
7366 * tree.h: Remove the prototype for add_var_to_bind_expr.
7368 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7370 * regclass.c (n_non_fixed_regs): Remove.
7371 (init_reg_sets_1, globalize_reg): Remove all uses of
7373 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7375 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7377 * rtlanal.c (insns_safe_to_move_p): Remove.
7378 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7380 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7382 * expmed.c (expand_mult_add): Remove.
7383 * expr.h: Remove the prototype for expand_mult_add.
7385 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7387 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7388 and REG_SAVED_VAL_EXP constants.
7389 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7390 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7391 Handle regs stored by value.
7392 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7393 (execute_cfa_program): Handle DW_CFA_val_offset,
7394 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7395 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7396 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7397 (uw_install_context_1): Handle target regs stored by value.
7399 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7401 * tree-sra.c (tree_sra): Return todoflags;
7402 (generate_one_element): Set TODO_update_smt_usage if needed.
7403 (pass_sra): Remove TODO_update_smt_usage.
7404 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7406 (tree_ssa_forward_propagate_single_use_vars): Return
7407 TODO_update_smt_usage if we need to update SMT usage.
7408 (pass_forwprop): Remove TODO_update_smt_usage.
7410 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7412 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7413 (correct_use_link): Remove reference to get_stmt_operands.
7414 (update_stmt_operands): Likewise.
7415 (get_modify_expr_operands): New function factored out of
7416 parse_ssa_operands and get_expr_operands.
7417 Try to create V_MUST_DEFs for LHS by default.
7418 (get_expr_operands) <case MODIFY_EXPR>: Call
7419 get_modify_expr_operands.
7420 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7421 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7422 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7423 get_modify_expr_operands.
7425 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7427 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7428 * tree-flow.h: Remove the prototype for
7429 referenced_var_lookup_if_exists.
7431 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7433 PR rtl-optimization/26345
7435 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7437 2006-03-03 Roger Sayle <roger@eyesopen.com>
7439 PR tree-optimization/26524
7440 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7441 fold_convert to create a constant of the appropriate type.
7443 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7445 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7446 SYMBOL_REF_IN_BLOCK_P.
7447 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7448 of SYMBOL_FLAG_IN_BLOCK.
7449 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7450 instead of SYMBOL_REF_IN_BLOCK_P.
7451 * explow.c (use_anchored_address): Likewise.
7452 * rtl.c (rtx_size): Likewise.
7453 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7454 instead of SYMBOL_FLAG_IN_BLOCK.
7455 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7456 SYMBOL_REF_IN_BLOCK_P.
7457 (assemble_variable): Likewise.
7458 (output_constant_def_contents): Likewise.
7459 (output_constant_pool): Likewise.
7460 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7461 instead of SYMBOL_FLAG_IN_BLOCK.
7462 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7463 SYMBOL_REF_IN_BLOCK_P.
7464 (SYMBOL_REF_BLOCK): Likewise.
7465 (SYMBOL_REF_OFFSET): Likewise.
7466 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7467 SYMBOL_REF_IN_BLOCK_P.
7468 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7469 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7470 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7471 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7473 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7475 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7477 2006-03-02 Roger Sayle <roger@eyesopen.com>
7479 * simplify-rtx.c (simplify_unary_operation): When simplifying
7480 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7481 that we perform the right shift in the appropriate mode, and
7482 then extend or truncate the result to requested mode.
7484 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7486 * gengtype.c (main): Handle double_int type.
7487 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7488 * double-int.c: New file.
7489 * double-int.h: New file.
7490 * system.h: Include doubleint.h.
7491 * Makefile.in (SYSTEM_H): Include double-int.h.
7492 (double-int.o): Add.
7494 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7497 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7500 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7502 * tree-vrp.c (remove_range_assertions): Do not update statements
7505 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7507 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7509 * gcse.c (rest_of_handle_gcse): Ditto.
7510 * except.c (gate_handle_eh): Ditto.
7511 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7512 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7514 2006-03-02 Eric Christopher <echristo@apple.com>
7516 * config/i386/i386.c (machopic_output_stub): Add indirection to
7519 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7523 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7525 Sun Niagara specific optimizations.
7526 * config.gcc: Recognize niagara as target.
7527 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7528 (TARGET_CPU_niagara): Define.
7529 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7530 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7531 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7532 (ASM_CPU_SPEC): Likewise.
7533 (PROCESSOR_NIAGARA): New enum entry.
7534 (REGISTER_MOVE_COST): Handle Niagara.
7535 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7536 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7537 (sparc_override_options): Recognize "niagara", set appropriate
7538 default MASK_* values for it, and align functions to 32-bytes
7539 by default just like ULTRASPARC/ULTRASPARC3.
7540 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7541 (sparc64_initialize_trampoline): Likewise.
7542 (sparc_use_sched_lookahead): Use zero for niagara.
7543 (sparc_issue_rate): Use one for niagara.
7544 * config/sparc/niagara.md: New file.
7545 * config/sparc/sparc.md: Include it.
7546 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7547 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7548 when default cpu is niagara.
7549 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7550 (ASM_CPU_SPEC): Likewise.
7551 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7552 when default cpu is niagara.
7553 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7554 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7555 just like v9/ultrasparc/ultrasparc3.
7556 * doc/invoke.texi: Add documentation for "niagara" and improve
7557 existing documentation for ultrasparc variants.
7559 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7561 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7563 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7565 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7566 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7567 and say that only one is needed.
7568 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7569 * target.h (have_switchable_bss_sections): New hook.
7570 * explow.c (use_anchored_address): Check that the symbol is in a block.
7571 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7572 (bss_noswitch_section): New variables.
7573 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7574 (get_noswitch_section): New function.
7575 (get_block_for_section): Allow SECT to be null.
7576 (unlikely_text_section_p): Use SECTION_STYLE.
7577 (bss_initializer_p): New function.
7578 (get_variable_section): Move earlier in file. Take a new argument,
7579 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7580 Return one of the new *_sections in such cases.
7581 (get_block_for_decl): New function, extracting some logic from
7582 use_blocks_for_decl_p.
7583 (change_symbol_section): Remove in favor of...
7584 (change_symbol_block): ...this new function.
7585 (use_blocks_for_decl_p): Remove checks now performed by
7587 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7588 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7589 (emit_local, emit_bss, emit_common): ...these new functions.
7590 Return true if the alignment was honored.
7591 (emit_tls_common): New function.
7592 (asm_emit_uninitialised): Delete.
7593 (assemble_variable_noswitch): New function, split out from...
7594 (assemble_variable): ...here. Don't make decisions about common
7595 variables here. Globalize all public decls that go into non-common
7596 sections. Check whether SYMBOL_REF_BLOCK is null.
7597 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7598 (output_constant_pool): Likewise.
7599 (init_varasm_once): Initialize the new section variables.
7600 (have_global_bss_p): New function.
7601 (categorize_decl_for_section): Use bss_initializer_p.
7602 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7603 (place_block_symbol): Assert that the symbol must be in a block.
7604 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7605 (TARGET_INITIALIZER): Include it.
7606 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7607 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7608 (SECTION_MACH_DEP): Bump by two.
7609 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7610 (unnamed_section): Mention SECTION_UNNAMED in comment.
7611 (named_section): Likewise SECTION_NAMED.
7612 (noswitch_section_callback): New type.
7613 (noswitch_section): New structure.
7614 (section): Add a noswitch_section alternative.
7615 (SECTION_STYLE): New macro.
7616 (tls_comm_section, comm_section, lcomm_section): Declare.
7617 (bss_noswitch_section, have_global_bss_p): Declare.
7618 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7619 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7621 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7622 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7625 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7627 * tree-vrp.c (execute_vrp): Return value.
7628 * regrename.c (rest_of_handle_regrename): Ditto.
7629 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7630 * tree-complex.c (tree_lower_complex): Ditto.
7631 (tree_lower_complex_O0): Ditto.
7632 * tracer.c (rest_of_handle_tracer): Ditto.
7633 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7634 * postreload.c (rest_of_handle_postreload): Ditto.
7635 * tree-tailcall.c (execute_tail_recursion): Ditto.
7636 (execute_tail_calls): Ditto.
7637 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7638 * tree.h (init_function_for_compilation): Ditto.
7639 * ipa-cp.c (ipcp_driver): Ditto.
7640 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7641 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7642 * final.c (compute_alignments): Ditto.
7643 (rest_of_handle_final): Ditto.
7644 (rest_of_handle_shorten_branches): Ditto.
7645 (rest_of_clean_state): Ditto.
7646 * omp-low.c (execute_expand_omp): Ditto.
7647 (execute_lower_omp): Ditto.
7648 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7649 * ipa-reference.c (static_execute): Ditto.
7650 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7651 * reorg.c (rest_of_handle_delay_slots): Ditto.
7652 (rest_of_handle_machine_reorg): Ditto.
7653 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7654 * flow.c (recompute_reg_usage): Ditto.
7655 (rest_of_handle_remove_death_notes): Ditto.
7656 (rest_of_handle_life): Ditto.
7657 (rest_of_handle_flow2): Ditto.
7658 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7659 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7660 (do_ssa_store_ccp): Ditto.
7661 (execute_fold_all_builtins): Ditto.
7662 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7663 * modulo-sched.c (rest_of_handle_sms): Ditto.
7664 * ipa-pure-const.c (static_execute): Ditto.
7665 * cse.c (rest_of_handle_cse): Ditto.
7666 (rest_of_handle_cse2): Ditto.
7667 * web.c (rest_of_handle_web): Ditto.
7668 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7669 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7670 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7671 * tree-nrv.c (tree_nrv): Ditto.
7672 (execute_return_slot_opt): Ditto.
7673 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7674 (create_structure_vars): Ditto.
7675 * loop-init.c (rtl_loop_init): Ditto.
7676 (rtl_loop_done): Ditto.
7677 (rtl_move_loop_invariants): Ditto.
7678 (rtl_unswitch): Ditto.
7679 (rtl_unroll_and_peel_loops): Ditto.
7680 (rtl_doloop): Ditto.
7681 * gimple-low.c (lower_function_body): Ditto.
7682 (mark_used_blocks): Ditto.
7683 * tree-ssa-sink.c (execute_sink_code): Ditto.
7684 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7685 (cgraph_early_inlining): Ditto.
7686 * global.c (rest_of_handle_global_alloc): Ditto.
7687 * jump.c (cleanup_barriers): Ditto.
7688 (purge_line_number_notes): Ditto.
7689 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7690 (rest_of_handle_if_after_reload): Ditto.
7691 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7692 (tree_ssa_loop_im): Ditto.
7693 (tree_ssa_loop_unswitch): Ditto.
7694 (tree_vectorize): Ditto.
7695 (tree_linear_transform): Ditto.
7696 (tree_ssa_loop_ivcanon): Ditto.
7697 (tree_ssa_empty_loop): Ditto.
7698 (tree_ssa_loop_bounds): Ditto.
7699 (tree_complete_unroll): Ditto.
7700 (tree_ssa_loop_prefetch): Ditto.
7701 (tree_ssa_loop_ivopts): Ditto.
7702 (tree_ssa_loop_done): Ditto.
7703 * predict.c (tree_estimate_probability): Ditto.
7704 * recog.c (split_all_insns_noflow): Ditto.
7705 (rest_of_handle_peephole2): Ditto.
7706 (rest_of_handle_split_all_insns): Ditto.
7707 * tree-eh.c (lower_eh_constructs): Ditto.
7708 * regmove.c (rest_of_handle_regmove): Ditto.
7709 (rest_of_handle_stack_adjustments): Ditto.
7710 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7711 * function.c (instantiate_virtual_regs): Ditto.
7712 (init_function_for_compilation): Ditto.
7713 (rest_of_handle_check_leaf_regs): Ditto.
7714 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7715 (rest_of_handle_gcse): Ditto.
7716 * ipa-type-escape.c (type_escape_execute): Ditto.
7717 * alias.c (rest_of_handle_cfg): Ditto.
7718 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7719 * profile.c (rest_of_handle_branch_prob): Ditto.
7720 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7721 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7722 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7723 * tree-dfa.c (find_referenced_vars): Ditto.
7724 * except.c (set_nothrow_function_flags): Ditto.
7725 (convert_to_eh_region_ranges): Ditto.
7726 (rest_of_handle_eh): Ditto.
7727 * emit-rtl.c (unshare_all_rtl): Ditto.
7728 (remove_unnecessary_notes): Ditto.
7729 * except.h (set_nothrow_function_flags): Ditto.
7730 (convert_to_eh_region_ranges): Ditto.
7731 * cfgexpand.c (tree_expand_cfg): Ditto.
7732 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7733 * tree-ssa-pre.c (do_pre): Ditto.
7734 (execute_fre): Ditto.
7735 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7736 (rest_of_handle_jump2): Ditto.
7737 * tree-sra.c (tree_sra): Ditto.
7738 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7739 (execute_mudflap_function_decls): Ditto.
7740 * tree-ssa-copy.c (do_copy_prop): Ditto.
7741 (do_store_copy_prop): Ditto.
7742 * ipa-prop.h (ipcp_driver): Ditto.
7743 * cfglayout.c (insn_locators_initialize): Ditto.
7744 * tree-ssa-forwprop.c
7745 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7746 * cfglayout.h (insn_locators_initialize): Ditto.
7747 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7748 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7749 (execute_late_warn_uninitialized): Ditto.
7750 * rtl.h (cleanup_barriers): Ditto.
7751 (split_all_insns_noflow): Ditto.
7752 (purge_line_number_notes): Ditto.
7753 (unshare_all_rtl): Ditto.
7754 (remove_unnecessary_notes): Ditto.
7755 (recompute_reg_usage): Ditto.
7756 (variable_tracking_main): Ditto.
7757 * integrate.c (emit_initial_value_sets): Ditto.
7758 * integrate.h (emit_initial_value_sets): Ditto.
7759 * tree-optimize.c (execute_free_datastructures): Ditto
7760 (execute_free_cfg_annotations): Ditto.
7761 (execute_fixup_cfg): Ditto.
7762 (execute_cleanup_cfg_pre_ipa): Ditto.
7763 (execute_cleanup_cfg_post_optimizing): Ditto.
7764 (execute_init_datastructures): Ditto.
7765 * tree-object-size.c (compute_object_sizes): Ditto.
7766 * combine.c (rest_of_handle_combine): Ditto.
7767 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7768 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7769 (rest_of_handle_reorder_blocks): Ditto.
7770 (rest_of_handle_partition_blocks): Ditto.
7771 * var-tracking.c (variable_tracking_main): Ditto.
7772 * tree-profile.c (tree_profiling): Ditto.
7773 * tree-vect-generic.c (expand_vector_operations): Ditto.
7774 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7775 * sched-rgn.c (rest_of_handle_sched): Ditto.
7776 (rest_of_handle_sched2): Ditto.
7777 * basic-block.h (free_bb_insn): Ditto.
7778 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7779 * tree-cfg.c (execute_build_cfg): Ditto.
7780 (remove_useless_stmts): Ditto.
7781 (split_critical_edges): Ditto.
7782 (execute_warn_function_return): Ditto.
7783 (execute_warn_function_noreturn): Ditto.
7784 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7785 * cfgrtl.c (free_bb_for_insn): Ditto.
7786 * passes.c (execute_one_pass): Run additional
7787 todos returned by execute function.
7788 * tree-pass.h (struct tree_opt_pass): Make execute
7791 2006-03-02 Richard Guenther <rguenther@suse.de>
7793 * tree-ssa-alias.c (find_used_portions): Consider taking
7794 the address as making the variable not write-only.
7796 2006-03-02 Nick Clifton <nickc@redhat.com>
7798 * config.gcc (default_use_cxa_atexit): Extend the description of
7799 this configure variable. Set its default value to "yes" for
7800 Linux, NetBSD and ELF targets on the assumption that they will
7801 use C libraries with the __cxa_atexit function.
7803 2006-03-02 Ben Elliston <bje@au.ibm.com>
7805 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7806 parameter as unused to suppress a build warning.
7808 2006-03-02 Ben Elliston <bje@au.ibm.com>
7810 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7813 2006-03-01 Roger Sayle <roger@eyesopen.com>
7816 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7817 declared name, the weak reference name, and the typeof name.
7818 (__gthrw): Avoid expanding the declared name suffix.
7819 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7821 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7823 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7825 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7826 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7827 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7828 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7829 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7830 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7831 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7832 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7833 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7834 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7835 (DW_END_default, DW_END_big, DW_END_little): New.
7836 (DW_END_lo_user, DW_END_hi_user): Define.
7837 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7838 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7839 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7842 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7844 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7846 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7848 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7850 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7852 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7853 to 'symbol_mem_tag'.
7855 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7858 2006-03-01 Roger Sayle <roger@eyesopen.com>
7860 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7862 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7865 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7866 MACHO_DYNAMIC_NO_PIC_P.
7867 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7869 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7872 * config/darwin-protos.h (darwin_asm_output_anchor):
7874 * config/darwin-sections.def (cstring_section):
7875 Add SECTION_MERGE to the flags.
7876 (literal4_section): Likewise.
7877 (literal8_section): Likewise.
7878 (objc_selector_refs_section): Likewise.
7879 (objc_cls_refs_section): Likewise.
7880 * config/darwin.c (darwin_asm_output_anchor): New
7882 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7884 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7886 Fix PR tree-optimization/26443
7887 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7888 to todo and PROP_tmt_usage to properties_destroyed.
7889 * tree-ssa-ccp.c (pass_ccp): Ditto.
7890 (pass_store_ccp): Ditto.
7891 * tree-ssa-dom.c (pass_dominator): Ditto.
7893 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7895 * tree-ssa-operands.c: Cleanup whitespace.
7896 (get_asm_expr_operands): Move before first invocation.
7897 (get_indirect_ref_operands): Likewise.
7898 (get_tmr_operands): Likewise.
7899 (get_call_expr_operands): Likewise.
7900 (append_def): Likewise.
7901 (append_use): Likewise.
7902 (append_v_may_def): Likewise.
7903 (append_v_must_def): Likewise.
7904 (add_call_clobber_ops): Likewise.
7905 (add_call_read_ops): Likewise.
7906 (add_stmt_operand): Likewise.
7907 (add_virtual_operand): Likewise.
7908 (build_ssa_operands): Likewise.
7910 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7915 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7916 with a call expr to ...
7917 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7919 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7921 * tree-vrp.c (extract_range_from_assert): Remove special
7922 handling for types with super-types.
7924 2006-03-01 Ben Elliston <bje@au.ibm.com>
7926 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7927 and powerpc64-*-linux* configurations.
7928 * config/t-dfprules: New file.
7930 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7931 Compile dfp-bit.c from the source directory using -DWIDTH and
7932 $DFP_CFLAGS to control the compilation of that file, rather than
7933 generating width-specific versions in the build directory.
7934 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7935 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7937 2006-02-28 Zack Weinberg <zackw@panix.com>
7939 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7942 2006-02-28 Eric Christopher <echristo@apple.com>
7944 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7945 Set up IN_LIBGCC definition of TARGET_64BIT.
7946 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7948 2006-02-28 Roger Sayle <roger@eyesopen.com>
7951 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7952 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7953 cases via the construction of "expr != 0".
7955 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7957 * alias.c (alias_invariant, alias_invariant_size): Remove.
7958 (record_base_value): Remove.
7959 (memrefs_conflict_p): Don't look at alias_invariant.
7960 (end_alias_analysis): Don't free it.
7961 * alias.h (record_base_value): Remove prototype.
7963 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7964 Adam Nemet <anemet@caviumnetworks.com>
7966 * rtl.h (truncated_to_mode): Declare it.
7967 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7968 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7969 (RTL_HOOKS_INITIALIZER): Include it.
7970 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7971 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7972 reg_truncated_to_mode.
7973 * rtlanal.c (truncated_to_mode): Define it.
7974 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7976 2006-02-28 Jeff Law <law@redhat.com>
7978 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7979 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7980 the range allowed by TYPE_PRECISION.
7982 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7984 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7986 PR tree-optimization/26419
7987 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7990 2006-02-27 Zack Weinberg <zackw@panix.com>
7992 * doc/md.texi: Fix typo in previous change.
7994 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7998 2006-02-27 Zack Weinberg <zackw@panix.com>
8000 * rtl.def (define_constraint, define_register_constraint)
8001 (define_memory_constraint, define_address_constraint): New MD forms.
8002 * gensupport.c (process_rtx): Put define_constraint etc on the
8004 * genpreds.c (process_define_predicate): Adjust comment. Validate
8005 the name, and call validate_exp to validate the expression.
8006 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8007 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8008 all callers changed.
8009 (validate_exp, needs_variable, struct constraint_data)
8010 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8011 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8012 (const_dbl_constraints, constraint_max_namelen)
8013 (have_register_constraints, have_memory_constraints)
8014 (have_address_constraints, have_address_constraints)
8015 (have_extra_constraints, have_const_int_constraints)
8016 (have_const_dbl_constraints, mangle, add_constraint)
8017 (process_define_constraint, process_define_register_constraint)
8018 (write_enum_constraint_num, write_lookup_constraint)
8019 (write_insn_constraint_len, write_regclass_for_constraint)
8020 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8021 (write_insn_extra_memory_constraint)
8022 (write_insn_extra_address_constraint)
8023 (write_satisfies_constraint_fns): New.
8024 (write_tm_preds_h): If we have new-style constraint definitions,
8025 prototype the functions generated from them, and define the
8026 old constraint interface (still used by generic code) in terms of
8028 (write_insn_preds_c): If we have new-style constraint definitions,
8029 generate all relevant functions from those definitions.
8030 (main): Handle define_constraint etc.
8031 * genoutput.c (struct constraint_data, indep_constraints)
8032 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8033 (mdep_constraint_len): New data structures and functions, defined
8034 #ifdef USE_MD_CONSTRAINTS.
8035 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8036 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8037 use new logic to validate operand constraints against constraint
8039 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8041 * defaults.h: If none of the old-style constraint macros are
8042 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8043 old-style macros; and poison REG_CLASS_FROM_LETTER,
8044 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8046 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8047 * doc/md.texi: Document new constraint-definition mechanism and the
8048 C interface it provides. Remove references to old mechanism
8049 elsewhere in the document.
8050 (Machine Constraints): Use pathnames relative to gcc directory,
8051 i.e. config/ARCH/FILE. Change i386 section to refer to
8052 config/i386/predicates.md; update that section to match docstrings.
8053 * doc/tm.texi: Move all documentation of the old constraint-
8054 definition macros to their own section, clearly mark as obsolete.
8056 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8057 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8059 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8060 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8061 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8063 (splits and peepholes): Use satisfies_constraint_*.
8064 * config/i386/i386.c (memory_address_length)
8065 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8067 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8069 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8070 scalar operation to be put back into the loop.
8072 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8075 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8076 (extract_cie_info): Handle S flag in augmentation string.
8077 (execute_cfa_program): If context->signal_frame, execute also
8078 fs->pc == context->ra instructions.
8079 (uw_frame_state_for): If context->signal_frame, don't subtract one
8080 from context->ra to find FDE.
8081 (uw_update_context_1): Set context->signal_frame to
8083 (_Unwind_GetIPInfo): New function.
8084 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8085 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8087 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8088 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8089 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8090 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8091 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8092 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8093 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8094 x86_64_fallback_frame_state): Set fs->signal_frame.
8095 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8096 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8097 (frob_update_context): Likewise. Workaround missing S flag in
8098 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8099 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8100 Remove the psw_addr + 1 hack.
8102 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8104 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8105 with aggregates here.
8106 (find_func_aliases): Remove code for &<aggregate> from here.
8108 2006-02-26 Roger Sayle <roger@eyesopen.com>
8110 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8111 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8112 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8115 2006-02-26 Roger Sayle <roger@eyesopen.com>
8118 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8120 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8122 * opts.c (decode_options): Do not handle flag_strength_reduce.
8123 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8124 and OPT_fstrength_reduce.
8125 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8126 flag_prefetch_loop_arrays for being nonzero.
8127 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8129 (fprefetch-loop-arrays-rtl): Removed.
8130 (flag_prefetch_loop_arrays): Do not specify the value.
8132 * doc/passes.texi: Update documentation of loop optimizer
8134 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8135 -frerun-loop-opt): Remove.
8137 2006-02-26 Richard Guenther <rguenther@suse.de>
8139 PR tree-optimization/26421
8140 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8141 in function calls that are ADDR_EXPRs as using the whole structure.
8143 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8145 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8146 * tree-pass.h (pass_loop_optimize): Remove.
8147 * passes.c (pass_loop_optimize): Never run it.
8148 * toplev.c (backend_init): Don't call init_loop.
8149 * opts.c (flag_loop_optimize_set): Remove.
8150 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8151 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8152 the old RTL loop optimizer when profiling enabled.
8153 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8154 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8155 pre-headers for the sake of the old RTL loop optimizer.
8156 * Makefile.in: Remove all references to loop.o.
8158 * doc/invoke.texi: Remove all references to -floop-optimize
8159 and -frerun-loop-opt.
8161 2006-02-26 Zack Weinberg <zackw@panix.com>
8163 * doc/md.texi (Machine Constraints): Refer to all files with paths
8164 relative to gcc directory (i.e. config/CPU/file). Add missing
8165 @table @code ... @end table to M32C subsection.
8167 2006-02-26 Roger Sayle <roger@eyesopen.com>
8169 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8171 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8173 2006-02-26 Roger Sayle <roger@eyesopen.com>
8174 James A. Morrison <phython@gcc.gnu.org>
8177 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8178 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8179 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8180 signedness of the shift operation.
8182 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8184 PR tree-optimization/26359
8185 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8187 2006-02-25 Roger Sayle <roger@eyesopen.com>
8189 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8190 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8191 as X == 0, and some symmetry related transformations.
8192 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8194 2006-02-25 Roger Sayle <roger@eyesopen.com>
8197 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8198 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8199 symmetry related transformations. Fold (X^C1) == C2 as
8202 2006-02-25 Juergen Weigert <jw@suse.de>
8203 Richard Guenther <rguenther@suse.de>
8205 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8207 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8209 * combine.c (gen_lowpart_or_truncate): Call
8210 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8212 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8214 * doc/invoke.texi: Move -fopenmp description to "Options for
8216 Remove reference to -lgomp.
8218 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8220 * doc/install.texi: Require GNU tar version 1.14.
8222 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8224 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8225 * doc/invoke.texi (C++ Dialect Options): Document
8226 -fno-use-cxa-get-exception-ptr.
8227 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8228 * configure: Regenerate.
8229 * c.opt (fuse-cxa-get-exception-ptr): New.
8230 * c-opts.c (c_common_handle_option): Handle
8231 OPT_fuse_cxa_get_exception_ptr.
8232 * c-common.c (flag_use_cxa_atexit): Update documentation.
8233 (flag_use_cxa_get_exception_ptr): New.
8234 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8235 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8237 (C_COMMON_OVERRIDE_OPTIONS): New.
8239 2006-02-24 Roger Sayle <roger@eyesopen.com>
8242 * combine.c (try_combine): Explicitly check whether GET_CODE is
8243 a SET or a CLOBBER, instead on checking that it isn't a USE.
8245 2006-02-24 Roger Sayle <roger@eyesopen.com>
8247 * fold-const.c (fold_comparison): New subroutine of fold_binary
8248 containing transformations common to both the equality and
8249 ordering relational operators, factored out of fold_binary.
8250 (fold_binary): Separate out the equality operators (EQ_EXPR
8251 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8252 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8253 transformations common to both.
8254 (fold_div_compare): Fix latent bugs in the previously unreachable
8255 LT_EXPR and GE_EXPR cases.
8257 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8259 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8260 decl libname for clog to __clog on AIX.
8262 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8264 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8267 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8268 output traceback table for thunks. Localise rs6000_stack_info call.
8270 2006-02-23 Roger Sayle <roger@eyesopen.com>
8271 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8273 * gthr-posix.h (__gthrw): Fix typo in comment.
8275 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8277 * doc/cpp.texi (Character sets): Document that we do support
8278 input files to be in any character set.
8280 2006-02-23 Jeff Law <law@redhat.com>
8282 * tree.h (PHI_ARG_NONZERO): Remove.
8283 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8284 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8285 node to the new node.
8287 PR tree-optimization/26425
8288 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8289 min/max, then assume its varying.
8291 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8293 PR rtl-optimization/26316
8294 * rtlanal.c (enum may_trap_p_flags): New.
8295 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8296 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8297 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8298 (may_trap_after_code_motion_p): New function.
8299 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8300 (find_invariant_insn): Use may_trap_after_code_motion_p.
8301 * rtl.h (may_trap_after_code_motion_p): Declare.
8303 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8305 * emit-rtl.c (immed_double_const): Cleanup.
8307 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8309 Fix PR tree-optimization/26376
8310 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8313 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8316 * gimplify.c (omp_add_variable): Guard variable size decl test with
8317 DECL_SIZE (decl) check.
8319 2006-02-23 Richard Guenther <rguenther@suse.de>
8322 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8323 like aggregate types.
8325 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8327 * configure.ac: Add --with{,out}-long-double-128 configure option.
8328 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8329 * configure: Rebuilt.
8330 * config.in: Rebuilt.
8331 * doc/install.texi (Options specification): Document
8332 --with-long-double-128.
8334 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8335 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8336 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8337 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8339 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8341 * config/s390/s390.c (override_options): Handle
8342 TARGET_DEFAULT_LONG_DOUBLE_128.
8344 * config/alpha/alpha.c (override_options): Handle
8345 TARGET_DEFAULT_LONG_DOUBLE_128.
8347 * config/sparc/sparc.c (sparc_override_options): Handle
8348 TARGET_DEFAULT_LONG_DOUBLE_128.
8350 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8352 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8353 (real-install-headers-tar, real-install-headers-cpio)
8354 (real-install-headers-cp): New targets.
8356 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8358 * tree.h (variable_section): Delete.
8359 * varasm.c (variable_section): Delete.
8361 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8363 * install.texi: Add notes on install.texi2html.
8364 (Building in parallel): Do not use footnotes.
8366 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8369 * doc/install.texi (Configuration): Document --disable-libgomp.
8371 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8373 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8375 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8377 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8378 (vec_extractv2df_0_sse): New.
8380 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8382 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8383 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8384 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8385 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8386 to the result of the expression.
8387 (def_cfa_1): Adjust.
8388 (frame_pointer_cfa_offset): Rename to...
8389 (frame_pointer_fb_offset): ... this. Adjust all uses.
8390 (convert_cfa_to_loc_list): Rename to...
8391 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8392 Pass it on to build_cfa_loc.
8393 (compute_frame_pointer_to_cfa_displacement): Rename to...
8394 (compute_frame_pointer_to_fb_displacement): ... this. New
8395 offset parameter. Use it in computation.
8396 (gen_subprogram_die): Compute cfa_fb_offset with the new
8397 macro, and use it to compute the fb loc list and the
8400 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8402 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8403 replaced with register_operand.
8404 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8405 non-DREG is expensive.
8406 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8407 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8410 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8412 * doc/install.texi2html: Use set -e.
8414 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8416 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8417 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8418 * doc/invoke.texi (-fshared-data): Delete.
8419 * common.opt (fshared-data): Delete.
8420 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8421 (assemble_static_space): Remove #if 0 code.
8422 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8423 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8424 * config/cris/cris.h: Remove FIXME.
8426 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8428 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8431 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8434 * combine.c (simplify_shift_const_1): Disable nested shifts
8435 optimization for vector shifts.
8437 2006-02-20 Roger Sayle <roger@eyesopen.com>
8439 PR tree-optimization/26361
8440 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8441 of unsigned integer types.
8443 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8445 * tree-chrec.c (eq_evolutions_p): New.
8446 * tree-chrec.h (eq_evolutions_p): Declared.
8447 * tree-data-ref.c: Fix formatting.
8448 (datadep_stats, dependence_stats): New.
8450 (print_direction_vector): New.
8451 (dump_data_dependence_relation): Use print_direction_vector.
8452 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8453 (compute_subscript_distance): Static.
8454 (initialize_data_dependence_relation): Static. Get the number
8455 of loops surrounding the references from the callers, and initialize
8456 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8457 base_object_differ_p analyzers.
8458 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8459 compute_overlap_steps_for_affine_1_2,
8460 analyze_subscript_affine_affine): Count the classified dependences.
8461 Print a message when a test failed.
8462 (can_use_analyze_subscript_affine_affine): New.
8463 (analyze_siv_subscript): Compute the data dependences on symbolic
8464 scevs that verify can_use_analyze_subscript_affine_affine.
8465 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8466 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8467 Handle symbolic scevs.
8468 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8470 (subscript_dependence_tester): Moved...
8471 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8472 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8473 DDR_SIZE_VECT instead of getting it in parameter.
8474 (subscript_dependence_tester): ... here. Take as a parameter
8475 loop_nest_depth. Call build_classic_dist_vector and
8476 build_classic_dir_vector.
8477 (compute_affine_dependence): Update subscript_dependence_tester
8478 parameters. Update datadep_stats counters. Call
8479 compute_subscript_distance.
8480 (compute_self_dependence): Save the dist and dir vectors. Call
8481 compute_subscript_distance.
8482 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8483 (compute_all_dependences): Reorder parameters as they were before
8484 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8485 compute_subscript_distance. Update the use of
8486 compute_affine_dependence and initialize_data_dependence_relation.
8487 (find_data_references_in_loop): Handle COMPONENT_REF.
8488 (compute_data_dependences_for_loop): Initialize dependence_stats.
8489 Don't call build_classic_dist_vector and build_classic_dir_vector.
8490 Update the parameters of initialize_data_dependence_relation and
8491 compute_all_dependences. Print the statistics from datadep_stats.
8492 (analyze_all_data_dependences): Static. Not used until the pass for
8493 checking the data dependences is contributed.
8494 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8495 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8496 (initialize_data_dependence_relation, compute_affine_dependence,
8497 analyze_all_data_dependences, compute_subscript_distance): Removed.
8498 (print_direction_vector): New.
8499 * lambda.h (gcd): ... here.
8500 (lambda_vector_gcd): Moved here from gcd_vector.
8501 * lambda-code.c (gcd, gcd_vector): Removed.
8502 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8503 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8505 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8507 * ipa-type-escape.c: Tidy some comments and white space.
8508 * tree-ssa-operands.c: Likewise.
8510 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8513 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8514 (dump_decl_name): Do not walk the decl tree chains.
8515 * tree-pass.h (TDF_CHAIN): Remove.
8517 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8519 * Makefile.in (C): Remove
8521 (.PHONY): Remove C and PROTO
8523 2006-02-20 Roger Sayle <roger@eyesopen.com>
8526 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8527 deprecated CHAR_TYPE tree code.
8529 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8531 * configure.ac (target_list): Add install-info, dvi, html.
8532 * configure: Regenerate.
8534 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8535 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8536 treelang/Make-lang.in: Do not use double-colon rules.
8538 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8540 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8541 (TMT_USED_ALONE): New macro.
8542 * tree-pass.h (PROP_tmt_usage): New property.
8543 (TODO_update_tmt_usage): New todo.
8544 * tree-ssa-alias.c (updating_used_alone): New variable.
8545 (recalculate_used_alone): New function.
8546 (compute_may_aliases): Set updating_used_alone, call
8547 recalculate_used_alone.
8548 * tree-sra.c (pass_sra): Note that this pass destroys
8549 PROP_tmt_usage, and add TODO_update_tmt_usage.
8550 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8551 * tree-flow.h (updating_used_alone): Prototype.
8552 (recalculate_used_alone): Ditto.
8553 * passes.c (execute_todo): Add code to set updating_used_alone,
8554 and call recalculate.
8555 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8556 for clobber if used alone, and add assert to verify used_alone
8559 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8561 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8562 for non tls symbols added.
8563 (legitimize_address): Do nothing for PLUS expressions if one of the
8564 addends is a tls symbol reference.
8566 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8570 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8572 * Makefile.in (BOOTSTRAPPING): New.
8573 (quickstrap): New definition if BOOTSTRAPPING=yes.
8575 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8576 * configure.ac: Substitute all_selected_languages with the languages
8577 that were configured. For all the other variables except
8578 lang_specs_files, include all the languages in the tree.
8579 * configure: Regenerate.
8581 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8582 if there is one. Run the commands to run fixincludes in the same
8585 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8586 * doc/install.texi: Document exact conventions for searching target tools.
8587 Document --with-build-time-tools. Document toplevel bootstrap. Document
8588 something more about building an Ada cross-compiler. Don't list GNU Make
8589 requirements which affect all platforms.
8591 2006-02-19 Roger Sayle <roger@eyesopen.com>
8594 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8595 only equivalent if the have both the same mode and precision.
8597 2006-02-20 Ben Elliston <bje@au.ibm.com>
8599 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8601 2006-02-19 Roger Sayle <roger@eyesopen.com>
8602 Steven Bosscher <stevenb.gcc@gmail.com>
8604 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8605 constant pool references to identify stack mode constants.
8606 * rtlanal.c (constant_pool_constant_p): New predicate to check
8607 whether operand is a floating point constant in the pool.
8608 * rtl.h (constant_pool_constant_p): Prototype here.
8609 * loop.c (scan_loop): Avoid hoisting constants from the constant
8610 pool on STACK_REGS targets.
8611 (load_mems): Likewise.
8612 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8613 loads into x87 registers expensive in terms of register pressure.
8615 2006-02-19 Roger Sayle <roger@eyesopen.com>
8617 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8618 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8620 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8622 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8623 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8625 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8627 * doc/invoke.texi: Document -fipa-pta.
8628 * common.opt: Add ipa-pta option.
8629 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8630 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8631 (do_ds_constraint): Ditto.
8632 (get_constraint_for): Only add to referenced_vars if
8633 referenced_vars exists.
8634 (insert_into_field_list): Rewrite to do this unsorted.
8635 (insert_into_field_list_sorted): Rename old insert_into_field_list
8637 (create_function_info_for): Use insert_into_field_list_sorted.
8638 (create_variable_info_for): Rewrite so it uses unsorted version,
8639 since the field list is sorted.
8640 (intra_create_variable_infos): Only add to referenced_vars if
8641 referenced_vars exists.
8642 (ipa_pta_execute): Init heapvars, and delete when done.
8643 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8645 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8647 * doc/install.texi: Add missing `@samp'.
8649 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8651 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8654 2006-02-18 Mark Wielaard <mark@klomp.org>
8656 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8657 who added new 4.1 features, bug fixes and integration support.
8659 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8662 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8665 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8667 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8668 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8669 (copy_insn_1): Likewise. Don't copy each field individually.
8671 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8673 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8674 * rtl.c (rtx_size): Rename variable to...
8675 (rtx_code_size): ...this.
8676 (rtx_size): New function.
8677 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8678 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8680 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8681 * rtl.h (rtx_code_size): New variable.
8682 (rtx_size): Change from a variable to a function.
8683 (RTX_SIZE): Rename to...
8684 (RTX_CODE_SIZE): ...this.
8687 PR tree-optimization/17106
8688 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8689 (Anchored Addresses): New section.
8690 * doc/invoke.texi (-fsection-anchors): Document.
8691 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8692 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8693 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8694 * hooks.c (hook_bool_mode_rtx_false): New function.
8695 * hooks.h (hook_bool_mode_rtx_false): Declare.
8696 * gengtype.c (create_optional_field): New function.
8697 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8698 SYMBOL_REF_IN_BLOCK_P is true.
8699 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8700 (min_anchor_offset, max_anchor_offset): Likewise.
8701 (use_anchors_for_symbol_p): New hook.
8702 * toplev.c (compile_file): Call output_object_blocks.
8703 (target_supports_section_anchors_p): New function.
8704 (process_options): Check that -fsection-anchors is only used on
8705 targets that support it and when -funit-at-a-time is in effect.
8706 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8707 if the decl doesn't have one.
8708 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8709 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8710 of force_const_mem through use_anchored_address.
8711 (expand_expr_constant): New function.
8712 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8713 calling expand_expr for INDIRECT_REF.
8714 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8715 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8716 * expr.h (use_anchored_address): Declare.
8717 * loop-unroll.c: Don't declare rtx vectors here.
8718 * explow.c: Include output.h.
8719 (validize_mem): Call use_anchored_address.
8720 (use_anchored_address): New function.
8721 * common.opt (-fsection-anchors): New switch.
8722 * varasm.c (object_block_htab, anchor_labelno): New variables.
8723 (hash_section, object_block_entry_eq, object_block_entry_hash)
8724 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8725 (use_blocks_for_decl_p, change_symbol_section): New functions.
8726 (get_variable_section): New function, split out from assemble_variable.
8727 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8728 use_blocks_for_decl_p say so. Use change_symbol_section if the
8729 symbol has already been created.
8730 (assemble_variable_contents): New function, split out from...
8731 (assemble_variable): ...here. Don't output any code for
8732 block symbols; just pass them to place_block_symbol.
8733 Use get_variable_section and assemble_variable_contents.
8734 (get_constant_alignment, get_constant_section, get_constant_size): New
8735 functions, split from output_constant_def_contents.
8736 (build_constant_desc): Create a block symbol if use_object_blocks_p
8737 says so. Or into SYMBOL_REF_FLAGS.
8738 (assemble_constant_contents): New function, split from...
8739 (output_constant_def_contents): ...here. Don't output any code
8740 for block symbols; just pass them to place_section_symbol.
8741 Use get_constant_section and get_constant_alignment.
8742 (force_const_mem): Create a block symbol if use_object_blocks_p and
8743 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8744 (output_constant_pool_1): Add an explicit alignment argument.
8745 Don't switch sections here.
8746 (output_constant_pool): Adjust call to output_constant_pool_1.
8747 Switch sections here instead. Don't output anything for block symbols;
8748 just pass them to place_block_symbol.
8749 (init_varasm_once): Initialize object_block_htab.
8750 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8751 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8752 (place_block_symbol, get_section_anchor, output_object_block)
8753 (output_object_block_htab, output_object_blocks): New functions.
8754 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8755 (TARGET_ASM_OUT): Include it.
8756 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8757 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8758 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8759 (TARGET_INITIALIZER): Include them.
8760 * rtl.c (rtl_check_failed_block_symbol): New function.
8761 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8762 (block_symbol, object_block): New structures.
8763 (rtx_def): Add a block_symbol field to the union.
8764 (BLOCK_SYMBOL_CHECK): New macro.
8765 (rtl_check_failed_block_symbol): Declare.
8766 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8767 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8768 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8769 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8770 * output.h (output_section_symbols): Declare.
8771 (object_block): Name structure.
8772 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8773 (default_use_anchors_for_symbol_p): Declare.
8774 * Makefile.in (RTL_BASE_H): Add vec.h.
8775 (explow.o): Depend on output.h.
8776 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8777 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8778 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8779 (rs6000_use_blocks_for_constant_p): New function.
8781 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8783 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8785 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8788 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8791 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8793 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8797 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8800 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8801 instead of DECL_REGISTER.
8803 2006-02-18 Olivier Hainque <hainque@adacore.com>
8806 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8808 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8811 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8812 * opth-gen.awk: Handle Var and InverseMask together.
8813 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8814 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8815 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8816 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8818 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8819 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8820 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8821 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8822 LINUX_DYNAMIC_LINKER): Define.
8823 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8824 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8826 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8827 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8828 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8829 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8830 (TARGET_C99_FUNCTIONS): Don't define.
8831 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8832 GLIBC_DYNAMIC_LINKER.
8833 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8834 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8835 GLIBC_DYNAMIC_LINKER64): Define.
8836 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8837 LINUX_DYNAMIC_LINKER64.
8838 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8839 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8840 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8841 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8842 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8843 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8844 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8845 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8846 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8847 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8848 and LINUX_DYNAMIC_LINKER32.
8849 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8850 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8851 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8852 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8853 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8855 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8856 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8857 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8858 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8859 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8860 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8861 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8862 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8863 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8864 LINUX_DYNAMIC_LINKER): Define.
8865 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8866 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8867 GLIBC_DYNAMIC_LINKER64): Define.
8868 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8869 LINUX_DYNAMIC_LINKER64.
8870 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8871 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8872 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8873 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8874 LINUX_DYNAMIC_LINKER): Define.
8875 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8876 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8877 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8878 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8879 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8880 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8881 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8882 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8883 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8884 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8885 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8886 * doc/invoke.texi (-muclibc): Remove caveat about supported
8889 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8891 * doc/cpp.texi (__TIMESTAMP__): Document.
8893 2006-02-17 Roger Sayle <roger@eyesopen.com>
8896 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8897 C is one less than the width of X (and related transformations).
8898 * simplify-rtx.c (simplify_unary_operation_1): Transform
8899 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8900 depending on STORE_FLAG_VALUE, were C is one less then the
8903 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8905 Fix PR tree-optimization/26341
8906 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8907 about NAME_MEMORY_TAG's.
8909 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8912 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8913 with hardware float support, and software float support. Add fcpy
8914 alternative to hardware patterns. Add alternatives to copy between
8915 general and floating-point registers to the 32-bit pattern.
8916 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8917 secondary reload to load a QI or HI mode constant into a floating
8919 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8920 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8922 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8925 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8927 (load_macho_picbase_di): Likewise.
8929 2006-02-16 Jeff Law <law@redhat.com>
8931 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8932 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8933 (ssa_name_nonzero_p): Likewise.
8934 (get_value_range): Return NULL if VRP is not running.
8935 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8936 VRP routines do not discover a range.
8937 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8938 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8939 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8940 (tree_expr_nonnegative_p): Similarly.
8941 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8942 (restore_nonzero_vars_to_original_value): Remove.
8943 (unsafe_associative_fp_binop): Remove.
8944 (tree_ssa_dominator_optimize): Remove initialization and
8945 finalization of nonzero_vars and nonzero_vars_stack.
8946 (dom_opt_initialize_block): No longer push marker on
8948 (dom_opt_finalize_block): No longer call
8949 restore_nonzero_vars_to_original_value.
8950 (record_equivalences_from_phis): No longer look for
8951 nonzero PHI arguments.
8952 (cprop_into_successor_phis): No longer propagate nonzero
8953 property into PHI arguments. Lose unused argument. Caller
8955 (record_equivalences_from_stmt): No longer record nonzero
8956 values for SSA_NAMEs.
8957 (lookup_avail_expr): No longer use nonzero_vars.
8959 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8960 for sizetype when sizetype is unsigned.
8962 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8964 PR rtl-optimization/25603
8965 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8966 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8967 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8968 with new meaning of SETS.
8970 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8975 * config/linux.opt: New file.
8976 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8977 LINUX_DYNAMIC_LINKER): Define.
8978 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8979 * config.gcc (*-*-linux*): Define extra_options.
8980 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8981 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8982 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8983 GLIBC_DYNAMIC_LINKER.
8984 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8985 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8986 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8987 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8988 * doc/invoke.texi (GNU/Linux Options): New section.
8990 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8992 * config/sparc/sparc.md (setjmp): Rewrite.
8993 (setjmp_32): Delete.
8994 (setjmp_64): Likewise.
8996 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8998 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9001 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9003 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9006 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9008 PR rtl-optimization/26296
9009 * Makefile.in (loop-invariant.c): Add except.h dependency.
9010 * loop-invariant.c: Include except.h.
9011 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9013 2005-02-16 Paul Brook <paul@codesourcery.com>
9015 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9018 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9020 PR rtl-optimization/25636
9021 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9022 when deciding whether an insn is an initializing insn.
9024 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9026 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9027 (tree_code_size): Ditto.
9028 * tree.h (struct tree_memory_tag): Remove parent_var.
9029 (struct tree_struct_field_tag): New.
9032 (union tree_node): Add sft member.
9033 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9035 (create_sft): Add size and offset argument, set SFT_OFFSET and
9037 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9038 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9039 * tree-flow-inline.h (get_subvar_at): Update for
9040 SFT_OFFSET/SFT_SIZE.
9041 (var_can_have_subvars): Ditto.
9042 (overlap_subvar): Ditto.
9043 * print-tree.c (print_node): Print out interesting things for
9045 * tree-flow.h (struct subvar): Remove offset and size members.
9046 * tree-ssa-operands.c (get_expr_operands): Update for
9047 get_indirect_ref_operands changes.
9048 (get_indirect_ref_operands): Call add_virtual_operand instead of
9049 add_stmt_operand. Only recurse on base var if requested.
9050 (access_can_touch_variable): New function.
9051 (add_stmt_operand): Split virtual operand handling into ...
9052 (add_virtual_operand): Here. Add offset, size, and for_clobber
9053 arguments. Prune alias sets.
9054 (add_call_clobber_ops): Call add_virtual_operand.
9056 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9059 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9061 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9062 than TREE_CODE as index into omp_clause_num_ops array.
9064 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9066 PR rtl-optimization/26184
9067 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9069 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9070 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9071 must_precede, must_follow and tobe_scheduled.
9074 * opts.c (common_handle_option): Free new_option pointer.
9075 * df-core.c (df_analyze): Free postorder pointer.
9077 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9079 * Makefile.in: Fix the examples about the use of stamps
9081 2006-02-15 Michael Matz <matz@suse.de>
9085 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9086 influenced by maximum_field_alignment or DECL_PACKED.
9087 (update_alignment_for_field): Ditto.
9088 (place_field): Ditto.
9089 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9092 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9094 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9095 (debug_flow_info): Pass it.
9096 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9097 * bb-reorder.c (reorder_basic_blocks): Likewise.
9098 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9099 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9100 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9101 * gcse.c (gcse_main, bypass_jumps): Likewise.
9102 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9103 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9104 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9105 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9106 * rtl.h (dump_flow_info): Adjust prototype.
9107 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9108 * var-tracking.c (variable_tracking_main): Likewise.
9109 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9110 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9113 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9115 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9118 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9120 PR tree-optimization/26209
9121 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9122 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9124 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9126 2006-02-14 Roger Sayle <roger@eyesopen.com>
9129 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9130 (X,Y) and the corresponding symmetry related transformations.
9131 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9132 (X,Y) and its symmetry related transformations.
9134 2006-02-14 Roger Sayle <roger@eyesopen.com>
9136 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9139 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9141 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9143 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9146 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9147 support COMDAT group.
9148 * configure: Regenerate.
9150 2006-02-14 Roger Sayle <roger@eyesopen.com>
9155 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9157 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9159 Fix PR tree-optimization/26260
9161 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9163 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9164 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9165 * tree-ssa-structalias.c (create_variable_info_for): Use
9166 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9168 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9170 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9172 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9173 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9174 of the ending condition.
9175 * tree-ssa-loop-manip.c: Include params.h.
9176 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9177 tree_unroll_loop): New functions.
9178 * tree-pass.h (pass_loop_prefetch): Declare.
9179 * loop.c (rest_of_handle_loop_optimize): Test for
9180 -fprefetch-loop-arrays-rtl.
9181 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9182 * timevar.def (TV_TREE_PREFETCH): New timevar.
9183 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9184 pass_loop_prefetch): New.
9185 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9186 (cleanup_tree_cfg_loop): Call scev_reset.
9187 * common.opt (fprefetch-loop-arrays-rtl): Add.
9188 * tree-ssa-loop-prefetch.c: New file.
9189 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9190 (new_temp_expr_table): Initialize expr_vars.
9191 (free_temp_expr_table): Cleanup expr_vars.
9192 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9193 expressions from being merged into one.
9194 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9195 (struct tree_niter_desc): Add control, bound and cmp fields.
9196 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9198 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9199 (tree-cfgcleanup.o): Add SCEV_H dependency.
9200 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9201 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9203 2006-02-14 Richard Guenther <rguenther@suse.de>
9205 PR tree-optimization/26258
9206 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9207 in PHI argument processing.
9209 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9211 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9212 new expression in the requested machine mode.
9214 2006-02-13 Roger Sayle <roger@eyesopen.com>
9216 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9217 directly, instead let do_compare_rtx_and_jump handle this for us.
9218 * expr.c (expand_expr_real_1): Likewise.
9219 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9220 before do_jump_by_parts_greater.
9221 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9222 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9224 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9226 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9228 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9230 PR rtl-optimization/26235
9231 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9232 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9235 2006-02-13 Jeff Law <law@redhat.com>
9237 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9240 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9243 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9244 twice if decl is a builtin. When trying again, call get_callee_fndecl
9245 first to verify it is still a builtin.
9247 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9249 * dwarf2out.c (base_type_die): Don't add AT_name here.
9250 (subrange_type_die): Don't add AT_name here.
9251 (modified_type_die): Rearrange code flow. Do add AT_name here.
9253 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9255 PR rtl-optimization/26247
9256 PR rtl-optimization/26248
9257 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9259 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9261 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9262 * config/fixtfdi.c: Likewise.
9263 * config/fixunstfdi.c: Likewise.
9264 * config/floatditf.c: Likewise.
9266 2006-02-13 Roger Sayle <roger@eyesopen.com>
9269 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9270 into (X,C2) if C1 is a subset of the bits of C2. Transform
9271 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9273 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9275 2006-02-13 Josh Conner <jconner@apple.com>
9278 * varasm.c (function_section): Check for section name before
9279 calling select_section on targets that define
9280 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9281 unlikely_text_section instead of hot_function_section if
9282 first_function_block_is_cold.
9284 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9287 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9289 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9291 PR rtl-optimization/26222
9292 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9293 after tree->rtl expansion.
9294 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9295 before passing it to emit_move_insn.
9297 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9299 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9301 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9302 Clarify documentation.
9303 * c-common.h (warn_write_strings): Remove.
9304 * c-common.c (warn_write_strings): Likewise.
9305 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9308 2006-02-12 Roger Sayle <roger@eyesopen.com>
9311 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9312 (do_jump_parts_zero_rtx): New function renamed from
9313 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9314 (do_jump_parts_equality_rtx): New function split out from
9315 do_jump_parts_equality. Old implementation renamed as above.
9316 Call do_jump_parts_zero_rtx if either operand is zero.
9317 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9318 do all of the heavy lifting.
9319 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9320 calling either do_jump_by_parts_greater_rtx or
9321 do_jump_by_parts_equality_rtx.
9322 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9323 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9324 moved to do_compare_rtx_and_jump, call it directly.
9325 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9326 mode argument. Call do_compare_rtx_and_jump.
9327 (emit_case_nodes): Update calls to do_jump_if_equal.
9329 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9331 PR rtl-optimization/26225
9332 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9334 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9336 PR rtl-optimization/26232
9337 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9339 2006-02-11 Jason Merrill <jason@redhat.com>
9342 * tree-inline.c (declare_return_variable): Just don't use the
9343 modify target if it's a gimple complex reg and the return slot
9346 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9348 * doc/contrib.texi: Update my entry.
9350 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9352 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9354 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9356 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9359 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9361 * doc/invoke.texi (-floop-optimize2): Removed.
9362 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9363 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9364 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9365 * common.opt (floop-optimize2): Removed.
9366 (fmove-loop-invariants): Enabled by default.
9368 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9370 * tree-if-conv.c (combine_blocks): Free the result of
9371 get_loop_exit_edges.
9373 2006-02-10 Jeff Law <law@redhat.com>
9375 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9377 PR tree-optimization/26213
9378 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9379 loop trying to follow SSA_NAME_VALUE chains.
9381 2006-02-10 Richard Guenther <rguenther@suse.de>
9383 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9384 deal with structures that end in implicitly variable sized arrays.
9386 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9388 PR rtl-optimization/24762
9389 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9392 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9394 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9395 (struct ivopts_data): Add regs_used field.
9396 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9397 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9398 instead of loop_data->regs_used;
9399 (free_loop_data): Do not free aux fields for loops.
9400 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9401 and tree_ssa_iv_optimize_finalize.
9403 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9405 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9407 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9410 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9411 computing the effective result type.
9413 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9416 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9417 (tree_overlaps_hard_reg_set): Declare.
9418 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9419 type and signature to match function type expected by walk_tree.
9420 (tree_overlaps_hard_reg_set): New function.
9421 (decl_conflicts_with_clobbers_p): Rename to:
9422 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9423 Use tree_overlaps_hard_reg_set. Changed caller.
9424 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9425 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9426 * cris.c (cris_md_asm_clobbers): Likewise.
9428 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9430 * reload1.c (emit_input_reload_insns): Delete code that tries to
9431 inherit using find_equiv_reg.
9433 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9435 * c-common.h (flag_const_strings): Don't declare.
9436 * c-common.c (flag_const_strings): Remove.
9437 * c.opt (fconst_strings): Remove.
9438 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9439 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9440 (c_common_init_options): Don't set flag_const_strings.
9441 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9443 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9445 * arm.md (tlobits_cbranch): New pattern.
9446 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9447 testing a single bit.
9449 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9452 * tree-ssa-pre.c (create_component_ref_by_pieces):
9453 Handle RETURN_DECL like VAR_DECL.
9455 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9458 * fold-const.c (fold_indirect_ref_1): Fold
9459 "*(foo *)&complexfoo" to "__real__ complexfoo"
9460 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9462 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9464 * tree-flow-inline.h (var_can_have_subvars):
9465 Volatile variables should not have subvariables.
9467 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9470 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9471 multiplying unsigned values.
9474 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9476 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9478 2006-02-08 Jason Merrill <jason@redhat.com>
9481 * tree.def: Elaborate on difference from MODIFY_EXPR.
9482 * doc/c-tree.texi (INIT_EXPR): Likewise.
9483 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9484 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9485 (gimplify_target_expr): Likewise.
9486 (gimplify_cond_expr): Remove target handling.
9487 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9488 (gimplify_expr): Clobber it here.
9489 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9490 Do return slot optimization if we have an INIT_EXPR.
9493 * tree-inline.c (declare_return_variable): Also clear
9494 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9497 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9500 * gimplify.c (gimplify_one_sizepos): Fix typo.
9502 2006-02-08 Jeff Law <law@redhat.com>
9504 PR tree-optimization/21417
9505 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9506 across a backedge if the control statement at the end of the
9507 block is data dependent on other statements in the same block.
9508 (record_temporary_equivalences_from_stmts): Remove over-conservative
9509 test for threading across backedges.
9511 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9512 control statement, handle all three special cases in the same
9513 manner as they all have the same desired solution. No longer
9514 special case edge flag updating when the post dominator is
9517 2006-02-08 Roger Sayle <roger@eyesopen.com>
9519 * tree.def (CHAR_TYPE): Remove.
9520 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9521 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9522 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9523 (gen_string_type_die): Delete unreachable function.
9525 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9526 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9527 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9528 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9529 * builtins.c (type_to_class): Likewise.
9530 * fold-const.c (fold_convert, build_range_check,
9531 merge_ranges): Likewise.
9532 * expr.c (count_type_elements): Likewise.
9533 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9534 * stor-layout.c (layout_type): Likewise.
9535 * ipa-type-escape.c (type_to_consider): Likewise.
9536 * gimplify.c (omp_firstprivatize_type_sizes,
9537 gimplify_type_sizes): Likewise.
9538 * explow.c (promote_mode): Likewise.
9539 * tree-sra.c (is_sra_scalar_type): Likewise.
9540 * varasm.c (output_constant): Likewise.
9541 * tree-inline.c (remap_type_1): Likewise.
9542 * convert.c (convert_to_pointer, convert_to_real,
9543 convert_to_integer, convert_to_complex): Likewise.
9545 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9547 * df-scan.c (df_def_record_1): A set destination may
9548 be a parallel regardless of mode.
9550 2006-02-08 Roger Sayle <roger@eyesopen.com>
9553 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9554 * config/mips/_tilib.c: Remove.
9555 * config/fixtfdi.c: New libgcc source file.
9556 * config/fixunstfdi.c: New source file.
9557 * config/floatditf.c: New source file.
9558 * config/floatunditf.c: New souce file.
9559 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9560 files above instead of config/mips/_tilib.c.
9561 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9563 2006-02-08 Jeff Law <law@redhat.com>
9565 PR tree-optimization/26169
9566 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9569 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9571 * df.h (DF_REG_SIZE): Return the length of the initialized
9574 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9576 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9577 __muldf3): Return a correctly signed zero.
9579 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9581 * passes.c (register_one_dump_file): Accept the current properties
9582 instead of pass number. Adjust call to dump_register. Remove
9584 (register_dump_files): Now a wrapper around...
9585 (register_dump_files_1): ... this one. Do not modify the pass
9587 (next_pass_1): Cosmetic fix.
9588 (execute_todo): Keep second parameter only. Use curr_properties
9589 instead of fetching it from the pass structure. Check and set
9591 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9592 instead of fetching it from the pass structure. Fix calls to
9593 execute_todo. Update curr_properties and initialize .vcg RTL dump
9594 after running the pass. Reset last_verified.
9595 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9597 (FIRST_AUTO_NUMBERED_DUMP): New.
9598 (dump_register): Remove "num" parameter, assign it within the
9600 (get_dump_file_name): Modify template for dumps.
9601 * tree-dump.h (dump_register): Adjust prototype.
9602 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9603 (PROP_trees): Add PROP_gimple_lomp.
9604 (TODO_set_props): New.
9605 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9606 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9607 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9609 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9611 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9612 (sparc64-*-linux*): Likewise.
9613 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9614 * config/sparc/t-linux: New file.
9615 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9616 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9617 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9618 -m32 -mlong-double-128.
9620 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9621 * config/alpha/t-linux: New file.
9622 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9624 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9625 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9626 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9627 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9628 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9629 (CPP_ARCH32_SPEC): Remove.
9631 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9633 PR tree-optimization/26145
9634 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9637 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9640 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9641 >= 240000 when generating code for SOM runtime.
9642 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9643 to $$dyncall when generating code for SOM runtime..
9645 2006-02-07 Dirk Mueller <dmueller@suse.com>
9648 * doc/invoke.texi (-Wsequence-point): Update documentation
9649 that -Wsequence-point is implemented for C++ as well.
9651 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9653 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9654 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9655 (LIB_SPEC): Likewise.
9656 * doc/invoke.texi (SPARC options): Document -pthread.
9658 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9660 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9663 2006-02-07 Roger Sayle <roger@eyesopen.com>
9665 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9666 Correct comment describing BOOLEAN_TYPE.
9668 2006-02-07 Dirk Mueller <dmueller@suse.com>
9670 * c.opt: C++ frontend supports -Wdiv-by-zero.
9671 * c-opts.c (c_common_handle_option): Remove dead case.
9673 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9675 * configure.ac (TLS assembler check): Do not enable TLS by
9676 default on SPARC/Solaris before version 10.
9677 * configure: Regenerate.
9679 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9681 * doc/invoke.texi (xl-compat): Document conversion and support
9684 2006-02-07 Jeff Law <law@redhat.com>
9686 * tree-vrp.c (find_conditional_asserts): Update comments.
9687 (simplify_stmt_for_jump_threading): New.
9688 (identify_jump_threads, finalize_jump_threads): New.
9689 (vrp_finalize): Call identify_jump_threads.
9690 (execute_vrp): Call finalize_jump_threads.
9691 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9692 (vrp_element, vrp_data, vrp_element_p): Remove.
9693 (vrp_hash_elt, vrp_variables_stack): Remove.
9694 (vrp_hash, vrp_eq, record_range): Remove.
9695 (simplify_cond_and_lookup_avail_expr): Remove.
9696 (extract_range_from_cond): Remove.
9697 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9698 (simplify_stmt_for_jump_threading): New.
9699 (dom_thread_across_edge): New wrapper.
9700 (tree_ssa_dominator_optimize): No longer initialize or
9701 finalize any of the VRP datastructures. Remove iteration
9702 step and simplify as a result of removal of iteration step.
9703 (pass_dominator): Perform a cfg cleanup after DOM.
9704 (dom_opt_finalize_block): Use the new common routines
9705 for threading jumps. Simplify stack management slightly.
9706 No longer need to unwind VRP state.
9707 (record_equivalences_from_incoming_edge): No longer record
9709 (eliminate_redundant_computations): No longer call
9710 simplify_cond_and_lookup_avail_expr.
9711 * tree-flow.h (potentially_threadable_block): Prototype.
9712 (thread_across_edge): Likewise.
9713 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9714 (tree-ssa-threadedge.o): Add dependencies.
9715 * tree-ssa-threadedge.c: New file.
9716 * passes.c (init_optimization_passes): Merge PHIs before
9717 calling VRP. Run VRP again late in the SSA optimization pipeline.
9719 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9721 * df-core.c (df_set_blocks): Do not dereference function pointers.
9722 (df_finish1): Likewise.
9723 (df_hybrid_search_forward): Likewise.
9724 (df_hybrid_search_backward): Likewise.
9725 (df_iterative_dataflow): Likewise.
9726 (df_analyze_problem): Likewise.
9727 (df_compact_blocks): Likewise.
9728 (df_dump): Likewise.
9729 * df-scan.c (df_rescan_blocks): Likewise.
9730 (df_record_entry_block_defs): Likewise.
9732 * genconditions.c (write_conditions): Guard the definition of
9733 'insn_conditions' with the check on GCC version.
9734 (write_writer): Guard the traversal 'insn_conditions' with
9735 the check on GCC version.
9737 2006-02-07 Richard Guenther <rguenther@suse.de>
9741 2006-01-30 Richard Guenther <rguenther@suse.de>
9743 * gimplify.c (gimplify_target_expr): Handle easy cases
9744 without creating a temporary.
9746 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9748 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9749 use of float in probability computations. Use edge probabilities
9750 in place of statically computed probabilities.
9751 (min_spec_prob): New static variable.
9752 (schedule_insns): Initialize it.
9753 (GET_SRC_PROB): Removed.
9754 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9756 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9759 * config/ia64/unwind-ia64.c: Revert last change.
9760 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9761 (INCOMING_FRAME_SP_OFFSET): Define.
9763 2006-02-06 Roger Sayle <roger@eyesopen.com>
9765 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9767 2006-02-07 Ben Elliston <bje@au.ibm.com>
9769 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9770 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9771 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9772 (ix86_return_in_memory): Handle TDmode.
9773 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9774 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9776 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9778 * reorg.c (dbr_schedule): Use dump_file instead of file.
9780 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9783 * config/ia64/predicates.md (extr_len_operand): New predicate.
9784 * config/ia64/ia64.md (extv): Tighten constraints.
9786 (*tbit_and_2): Ditto.
9787 (*tbit_and_3): Ditto.
9788 (*tbit_or_2): Ditto.
9789 (*tbit_or_3): Ditto.
9793 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9796 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9798 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9800 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9801 loop_optimizer_init and loop_optimizer_finalize
9802 * tree-ssa-sink.c (execute_sink_code): Ditto.
9803 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9804 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9805 tree_ssa_loop_done): Ditto.
9806 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9807 * sched-ebb.c: Include output.h.
9808 (schedule_ebbs): Do not use dump argument.
9809 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9810 * loop.c (loop_dump_stream): Removed.
9811 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9813 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9814 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9815 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9816 loop_iterations, strength_reduce, record_biv, record_giv,
9817 final_giv_value, check_final_value, check_ext_dependent_givs,
9818 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9819 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9820 dump_file instead of loop_dump_stream.
9821 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9823 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9825 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9826 * haifa-sched.c: Include output.h
9827 (schedule_insns, sched_init): Do not use dump argument.
9828 * mode-switching.c (optimize_mode_switching): Ditto.
9829 * modulo-sched.c (stats_file): Removed.
9830 (print_node_sched_params): Do not call argument dump_file.
9831 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9832 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9834 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9836 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9837 rtl_loop_init, rtl_loop_done): Ditto.
9838 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9839 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9841 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9842 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9843 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9844 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9845 * emit-rtl.c (renumber_insns): Ditto.
9846 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9847 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9848 * regclass.c (regclass): Ditto.
9849 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9850 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9851 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9852 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9854 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9855 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9857 * gcse.c (gcse_file, debug_stderr): Removed.
9858 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9859 rest_of_handle_gcse): Do not use dump argument.
9860 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9861 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9862 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9863 compute_code_hoist_vbeinout, compute_code_hoist_data,
9864 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9865 compute_store_table, build_store_vectors, insert_insn_start_bb,
9866 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9867 store_motion): Use dump_file instead of gcse_file.
9868 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9869 * profile.c (profile_dump_file): Removed.
9870 (branch_prob): Use dump_file instead of profile_dump_file.
9871 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9873 * tree-ssa-copy.c (dump_copy_of): Ditto.
9874 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9875 dump file to life_analysis.
9876 * bt-load.c (branch_target_load_optimize): Ditto.
9877 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9879 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9880 regclass, dbr_schedule): Declaration changed.
9881 * sched-int.h (sched_init): Declaration changed.
9882 * tree-profile.c (tree_profile_dump_file): Removed.
9883 (tree_profile_hooks): Removed profile_dump_file hook.
9884 * rtl-profile (rtl_profile_dump_file): Removed.
9885 (rtl_profile_hooks): emoved profile_dump_file hook.
9886 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9888 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9889 * tree-cfg.c (build_tree_cfg): Ditto.
9890 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9891 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9892 Declaration changed.
9893 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9894 life_analysis and schedule_insns.
9895 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9897 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9899 * config/mips/mips.c (mips_reorg): Ditto.
9900 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9903 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9905 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9906 (s390_mangle_fundamental_type): New.
9907 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9910 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9911 (alpha_mangle_fundamental_type): New.
9912 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9915 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9917 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9919 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9920 (sparc_mangle_fundamental_type): New.
9922 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9924 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9925 (s390x-*-linux*): Likewise.
9926 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9927 * config/s390/t-linux: New file.
9929 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9931 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9932 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9934 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9936 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9937 (ANTIC_SAFE_LOADS): New macro.
9938 (find_or_generate_expression): Add prototype.
9939 (set_contains_value): Allow null set for sake of not always having
9940 to allocate ANTIC_SAFE_LOADS.
9941 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9942 Allow COMPONENT_REF too.
9943 (valid_in_set): Allow COMPONENT_REF.
9944 Check ANTIC_SAFE_LOADS too.
9945 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9946 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9948 (can_PRE_operation): Add COMPONENT_REF.
9949 (create_component_ref_by_pieces): New function.
9950 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9951 (insert_aux): Move AGGREGATE_TYPE_P check here.
9952 (compute_avail): Set bb local stmt uids.
9953 (pass_pre): Use TODO_update_ssa_only_virtuals.
9955 2006-02-06 Ben Elliston <bje@au.ibm.com>
9957 * configure.ac: Unconditionally disable decimal float by default.
9958 * configure: Regenerate.
9960 2006-02-06 Ben Elliston <bje@au.ibm.com>
9962 * read-rtl.c (read_name): Terminate reading on EOF.
9964 2006-02-06 Ben Elliston <bje@au.ibm.com>
9966 * dfp.c (decimal_real_arithmetic): Change second argument type
9967 from int to enum tree_code. Do not always return true, but now
9968 return result of any call to decimal_do helper functions.
9969 * dfp.h (decimal_real_arithmetic): Update prototype.
9971 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9973 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9975 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9978 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9981 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9983 * tree-vrp.c (cfg_loops): Removed.
9984 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9985 Use current_loops instead of cfg_loops. Pass flags to
9986 loop_optimizer_init.
9987 * cfgloopmanip.c (fix_loop_structure): Update only available
9989 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9990 loop_optimizer_init.
9991 * modulo-sched.c (build_loops_structure): Removed.
9992 (sms_schedule): Use loop_optimizer_init.
9993 * loop-init.c (loop_optimizer_init): Use flags to determine
9994 which properties of loops to prepare.
9995 (rtl_loop_init): Pass flags to loop_optimizer_init.
9996 * tree-ssa-sink.c (execute_sink_code): Ditto.
9997 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9998 * tree-ssa-pre.c (init_pre): Ditto.
9999 * cfgloop.h (LOOPS_NORMAL): New.
10000 (loop_optimizer_init): Declaration changed.
10002 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10004 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10005 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10007 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10009 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10011 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10012 * pa/t-pa64: Delete quadlib.c rule.
10013 * pa/x-ada: Revert last change.
10014 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10016 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10018 PR rtl-optimization/26087
10019 * rtlanal.c (canonicalize_condition): Do not cross basic block
10022 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10025 * config/ia64/ia64.c: Include debug.h.
10026 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10027 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10028 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10029 (process_epilogue, process_set, process_for_unwind_directive):
10030 Output unwind info only if requested. Add CFA info if requested.
10031 Add new arguments as needed. Adjust callers.
10032 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10034 (DWARF2_FRAME_INFO): Define to zero.
10035 * config/ia64/unwind-ia64.c: Remove code that compensated for
10036 the CFA offset error fixed above.
10037 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10038 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10039 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10040 -funwind-tables and -fexceptions to enable frame info.
10041 (dwarf2out_frame_init): Define initial CFA even if
10042 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10043 DWARF2_UNWIND_INFO is nonzero, not just defined.
10044 (dwarf2out_frame_finish): Output non-EH call frame info only
10045 if DWARF2_FRAME_INFO is nonzero.
10046 (convert_cfa_to_loc_list,
10047 compute_frame_pointer_to_cfa_displacement): Define even if
10048 unwind info is not supported.
10049 (gen_subprogram_die): Use the above unconditionally. Remove
10050 legacy alternate code.
10051 * toplev.c (compile_file): Compile in call to
10052 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10053 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10055 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10056 Jakub Jelinek <jakub@redhat.com>
10058 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10059 IBM extended float format long double as "g" on powerpc*-linux.
10061 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10064 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10065 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10067 2006-02-03 Jason Merrill <jason@redhat.com>
10070 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10072 PR middle-end/25977
10073 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10074 on the return slot if it's an NRV.
10076 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10078 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10079 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10080 rewrite_use): Do not handle USE_OUTER.
10081 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10082 add_iv_outer_candidates, may_replace_final_value,
10083 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10084 (find_interesting_uses_op): Functionality of
10085 find_interesting_uses_outer_or_nonlin moved here.
10086 (find_interesting_uses_outside): Use find_interesting_uses_op.
10088 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10091 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10093 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10094 Ulrich Weigand <uweigand@de.ibm.com>
10097 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10098 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10099 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10100 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10102 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10103 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10104 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10105 Define secondary reloads for TFmode moves.
10106 (constant_modes): Add TFmode.
10107 (NR_C_MODES): Set to 8.
10108 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10110 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10111 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10112 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10113 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10114 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10115 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10116 (FPR mode macro): Add TFmode.
10117 (DSF mode macro): New.
10118 (<de>, <dee> mode attributes): Removed.
10119 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10120 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10121 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10122 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10123 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10124 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10125 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10126 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10127 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10128 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10129 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10130 "*negabs<mode>2", "sqrt<mode>2"):
10131 Changed <de> to <xde>. R constraint replaced by <Rf>.
10132 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10134 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10135 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10136 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10138 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10139 "extenddftf2", "extendsftf2"): New expanders.
10140 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10141 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10142 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10143 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10145 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10146 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10147 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10148 __floatditf): Add a GCC_4.1.0 symbol version tag.
10149 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10152 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10155 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10156 Use targetm.binds_local_p instead of TREE_PUBLIC.
10158 2006-02-02 Roger Sayle <roger@eyesopen.com>
10160 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10161 on INTEGER_TYPEs to indicate that it denotes a character type.
10162 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10163 signed_char_type_node, unsigned_char_type_node and char_type_node.
10164 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10165 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10166 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10168 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10169 Daniel Berlin <dberlin@dberlin.org>
10171 * tree-tailcall.c (arg_needs_copy_p): New function.
10172 (eliminate_tail_call): Use arg_needs_copy_p.
10173 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10174 (add_virtual_phis): New function.
10176 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10178 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10179 #ignore instead of #scratch for %g7 .register directive.
10181 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10183 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10186 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10188 * flow.c (calculate_global_regs_live): Assert that there aren't any
10191 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10193 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10194 what its name says.
10195 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10196 bsi_after_labels iterator.
10197 * tree-if-conv.c (find_phi_replacement_condition,
10198 replace_phi_with_cond_modify_expr): Likewise.
10199 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10200 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10202 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10204 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10206 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10209 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10210 array after growing it.
10212 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10214 PR middle-end/24901
10215 * fold-const.c (fold_checksum_tree): Change type of buf.
10217 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10219 * reload.c (push_secondary_reload): Initialize t_icode.
10221 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10223 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10224 -msoft-float -mlong-double-128 only issue a warning, but don't
10225 swich to DFmode long double.
10227 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10229 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10230 has a constant equivalent, iterate over equivalents for arg0,
10231 calling simplify_relational_operation and if there's a result
10232 cheaper than X, apply fold_rtx and return the result.
10234 2006-02-01 Jan Hubicka <jh@suse.cz>
10236 * opts.c (no_unit_at_a_time_default): New global variable.
10237 (decode_options): Use it.
10238 * opts.h (no_unit_at_a_time_default): Declare.
10240 2006-02-01 Paul Brook <paul@codesourcery.com>
10242 * function.c (assign_parm_setup_reg): Use function argument promotion
10244 * expr.c (expand_expr_real_1): Use function argument promotion rules
10247 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10249 * gcc.c (process_command): Change j to 'unsigned int'.
10251 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10253 PR middle-end/26001
10254 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10255 Use the corrected index for the character
10256 out of the string constant.
10258 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10260 * mode-switching.c (optimize_mode_switching): Fix size
10261 allocated for bb_info[n_entities].
10263 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10265 * gcc.c (main): Correct type that is allocated for
10266 explicit_link_files.
10268 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10270 * config/s390/s390.c (init_alignment_context): Set
10271 ALIAS_SET_MEMORY_BARRIER on the MEM.
10272 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10274 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10276 PR middle-end/25933
10277 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10279 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10282 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10284 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10285 * regrename.c: Ditto.
10286 * tree-ssa-loop-im.c: Ditto.
10287 * tree-dump.c: Ditto.
10288 * tree-complex.c: Ditto.
10289 * genrecog.c: Ditto.
10290 * tree-ssa-threadupdate.c: Ditto.
10292 * java/class.c: Ditto.
10293 * java/jcf-parse.c: Ditto.
10294 * java/resource.c: Ditto.
10295 * java/except.c: Ditto.
10296 * java/jvspec.c: Ditto.
10297 * java/jcf-write.c: Ditto.
10298 * java/jcf-path.c: Ditto.
10299 * java/gjavah.c: Ditto.
10300 * java/zextract.c: Ditto.
10301 * java/jcf-io.c: Ditto.
10302 * java/jcf.h: Ditto.
10303 * java/buffer.c: Ditto.
10304 * java/lang.c: Ditto.
10305 * java/parse-scan.y: Ditto.
10306 * java/lex.c: Ditto.
10307 * java/lex.h: Ditto.
10308 * cfgloopmanip.c: Ditto.
10309 * postreload-gcse.c: Ditto.
10310 * tree-ssa-loop-manip.c: Ditto.
10311 * postreload.c: Ditto.
10312 * tree-ssa-loop-ch.c: Ditto.
10315 * cppspec.c: Ditto.
10316 * diagnostic.c: Ditto.
10318 * genoutput.c: Ditto.
10320 * cfghooks.c: Ditto.
10321 * cfgloopanal.c: Ditto.
10322 * objc/objc-act.c: Ditto.
10324 * genextract.c: Ditto.
10325 * genautomata.c: Ditto.
10326 * pretty-print.c: Ditto.
10327 * genemit.c: Ditto.
10328 * cgraphunit.c: Ditto.
10330 * df-scan.c: Ditto.
10331 * haifa-sched.c: Ditto.
10332 * dominance.c: Ditto.
10334 * tree-ssa-loop-ivopts.c: Ditto.
10335 * df-core.c: Ditto.
10336 * mode-switching.c: Ditto.
10337 * modulo-sched.c: Ditto.
10339 * ipa-pure-const.c: Ditto.
10341 * fix-header.c: Ditto.
10343 * tree-stdarg.c: Ditto.
10344 * ipa-utils.c: Ditto.
10345 * loop-init.c: Ditto.
10346 * ipa-inline.c: Ditto.
10347 * cfganal.c: Ditto.
10349 * alloc-pool.c: Ditto.
10350 * dwarf2out.c: Ditto.
10352 * genattrtab.c: Ditto.
10353 * tree-ssa-loop-ivcanon.c: Ditto.
10354 * predict.c: Ditto.
10355 * timevar.c: Ditto.
10357 * fortran/gfortranspec.c: Ditto.
10358 * regmove.c: Ditto.
10359 * local-alloc.c: Ditto.
10360 * langhooks.c: Ditto.
10361 * function.c: Ditto.
10362 * tree-vectorizer.c: Ditto.
10364 * ipa-type-escape.c: Ditto.
10366 * tree-if-conv.c: Ditto.
10367 * profile.c: Ditto.
10369 * tree-data-ref.c: Ditto.
10370 * loop-unroll.c: Ditto.
10371 * treelang/treetree.c: Ditto.
10373 * bt-load.c: Ditto.
10374 * ggc-common.c: Ditto.
10376 * coverage.c: Ditto.
10378 * tree-cfgcleanup.c: Ditto.
10379 * tree-ssa-pre.c: Ditto.
10380 * cfgcleanup.c: Ditto.
10381 * loop-invariant.c: Ditto.
10382 * loop-iv.c: Ditto.
10383 * ipa-prop.c: Ditto.
10384 * print-tree.c: Ditto.
10385 * conflict.c: Ditto.
10386 * ggc-page.c: Ditto.
10387 * sched-deps.c: Ditto.
10388 * regclass.c: Ditto.
10389 * tree-object-size.c: Ditto.
10390 * combine.c: Ditto.
10391 * bb-reorder.c: Ditto.
10392 * resource.c: Ditto.
10393 * var-tracking.c: Ditto.
10394 * cfgloop.c: Ditto.
10395 * df-problems.c: Ditto.
10396 * reg-stack.c: Ditto.
10398 * gccspec.c: Ditto.
10399 * sched-rgn.c: Ditto.
10400 * tree-ssa-structalias.c: Ditto.
10401 * tree-ssa-reassoc.c: Ditto.
10402 * config/darwin-c.c: Ditto.
10403 * config/darwin.c: Ditto.
10404 * config/arm/arm.c: Ditto.
10406 * collect2.c: Ditto.
10407 * reload1.c: Ditto.
10409 2006-01-31 Nicolas Pitre <nico@cam.org>
10411 * arm.md (smaxsi3): Make aware of smax_m1.
10414 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10416 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10418 2006-01-31 Richard Guenther <rguenther@suse.de>
10420 * doc/invoke.texi (-msselibm): Document.
10421 * target.h (expand_library_builtin): New target hook.
10422 * builtins.c (expand_builtin): Use expand_library_builtin.
10423 (default_expand_library_builtin): New function.
10424 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10425 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10426 (link_gcc_math_spec): Declare.
10427 (static_specs): Add link_gcc_math_spec.
10428 * expr.h (default_expand_library_builtin): Declare.
10429 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10430 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10431 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10432 * config/i386/i386.opt (msselibm): New target option.
10433 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10434 (ix86_init_sse_abi_builtins): New function.
10435 (ix86_expand_library_builtin): Likewise.
10436 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10437 (override_options): Handle error conditions wrt -msselibm.
10438 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10439 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10440 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10443 2006-01-31 Richard Guenther <rguenther@suse.de>
10444 Paolo Bonzini <bonzini@gnu.org>
10446 * doc/install.texi (--disable-libgcc-math): Document.
10448 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10450 * expr.h (expand_normal): new inline function.
10451 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10452 * dojump.c: use it.
10453 * dwarf2out.c: use it.
10456 * expmed.c: use it.
10457 * except.c: use it.
10458 * config/sparc/sparc.c: use it.
10459 * config/i386/i386.c: use it.
10460 * config/rs6000/rs6000.c: use it.
10461 * config/arm/arm.c: use it.
10462 * config/mips/mips.c: use it.
10463 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10465 2006-01-30 Roger Sayle <roger@eyesopen.com>
10467 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10468 argv to the appropriate type.
10470 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10472 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10475 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10478 * config/s390/s390.c (struct machine_function): New flag
10479 decomposed_literal_pool_addresses_ok_p.
10480 (s390_reorg): Set it before final stage of literal pool transforms.
10481 (s390_decompose_address): Only accept displacements of the form
10482 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10484 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10486 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10487 the comparison routine return.
10489 2006-01-30 Michael Matz <matz@suse.de>
10491 * global.c (find_reg): Only evict for global regs.
10492 Take n_refs into account and dump more info.
10494 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10497 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10498 (pragma_trap, pragma_nosave_low_regs): Likewise.
10499 (current_function_anonymous_args): Likewise.
10500 (sh_deferred_function_attributes): New variable.
10501 (sh_deferred_function_attributes_tail): Likewise.
10502 (print_operand): For '@', look up trap_exit attribute.
10503 (calc_live_regs): Look up trapa_handler attribute. For trapa
10504 handlers, save/restore fpscr, but don't do any other
10505 interrupt-specific saves.
10506 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10507 Fix check for partially saved registers to check for SHmedia.
10508 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10509 (sh_output_function_epilogue): Don't clear any of the removed
10511 (sh_insert_attributes): Don't check pragma_interrupt.
10512 Insert deferred attributes. Check that interrupt attribute is
10513 present for other attributes that require its presence.
10514 (sh_attribute_table): Add new attributes trapa_handler and
10516 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10517 Don't check for pragma_interrupt. Don't store argument.
10518 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10519 (sh_deferred_function_attributes): Declare.
10520 (sh_deferred_function_attributes_tail): Likewise.
10521 * sh.md (sp_switch_1): Add operand. Change generator caller.
10522 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10523 (*return_i): Don't use when trap_exit attribute is in effect.
10524 (*return_trapa): New insn pattern.
10525 * sh-c.c: New file.
10526 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10527 setting c_target_objs and cxx_target_objs.
10528 * t-sh: Add rule for sh-c.o.
10530 2006-01-30 Richard Guenther <rguenther@suse.de>
10533 * gimplify.c (gimplify_target_expr): Handle easy cases
10534 without creating a temporary.
10536 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10538 * vec.h (safe_grow): Remove duplicated line.
10540 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10543 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10544 (expand_omp): ... here.
10545 (expand_omp_parallel): Only remove barriers for combined
10546 parallel+workshare constructs.
10548 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10552 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10553 * tree.c (build_qualified_type): Chain the new type to the original
10554 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10555 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10556 (build_pointer_type_for_mode): Only return unqualified types.
10557 (build_reference_type_for_mode): Likewise.
10559 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10561 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10562 * Makefile.in (CXX_COMPAT_WARN): Define.
10563 * configure: Regenerate.
10565 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10568 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10571 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10573 * toplev.c: Fix thinko.
10575 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10576 Marcin Dalecki <martin@dalecki.de>
10578 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10579 (push_srcloc): Use XNEW.
10580 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10582 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10584 * df-core.c (df_set_blocks): Deleted all variable.
10586 2006-01-28 Ian Lance Taylor <ian@airs.com>
10588 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10589 cgraph_output_pending_asms.
10591 2006-01-28 Zack Weinberg <zackw@panix.com>
10593 * c.opt: Add -W(no-)overlength-strings.
10594 * doc/invoke.texi: Document it.
10595 * c-opts.c (c_common_handle_option): -pedantic implies
10596 -Woverlength-strings, if not explicitly disabled already.
10597 (c_common_post_options): -Woverlength-strings defaults to off, and
10598 is always off for C++.
10599 * c-common.c (fix_string_type): Issue warning about strings longer
10600 than is portable only if warn_overlength_strings. Rearrange code
10601 a little for clarity.
10602 * configure.in: Check for -Wno-overlength-strings as well before
10603 enabling -pedantic in stage 1.
10604 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10605 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10607 * genconditions.c (write_header, write_one_condition)
10608 (write_conditions, write_writer): Consolidate very long strings
10609 that were broken up to fit in C89 portable limit. Don't use
10610 printf when fputs will do.
10612 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10614 * combine.c (simplify_comparison <AND>): Check
10615 TRULY_NOOP_TRUNCATION before start using a subreg.
10617 * config/mips/mips.md (*branch_zero<mode>,
10618 *branch_zero<mode>_inverted, *branch_equality<mode>,
10619 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10620 Remove mode check from comparisons.
10622 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10624 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10626 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10628 * expmed.c (const_mult_add_overflow_p): Remove.
10629 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10631 * recog.c (validate_replace_rtx_subexp): Remove.
10632 * recog.h: Remove the prototype for
10633 validate_replace_rtx_subexp.
10635 * integrate.h: Remove the prototype for
10636 copy_decl_for_inlining.
10637 * rtl.h: Remove the prototype for mark_constant_function.
10638 * tree-vectorizer.h: Remove the prototype for
10639 vect_strip_conversion.
10641 * modulo-sched.c (create_partial_schedule,
10642 free_partial_schedule, reset_partial_schedule): Make them
10645 * hooks.c (hook_bool_rtx_int_false): Remove.
10646 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10648 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10650 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10651 and -mlong-double-128 are incompatible.
10652 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10653 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10654 (TARGET_LIBGCC2_CFLAGS): Define.
10655 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10656 (TARGET_LIBGCC2_CFLAGS): Same.
10657 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10659 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10662 * c-typeck.c (build_binary_op): Perform implicit casts of
10663 operands before shortening them.
10665 * cfgloopmanip.c (split_loop_bb): Remove.
10666 * cfgloop.h: Remove the prototype for split_loop_bb.
10668 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10669 * cfgloop.h: Remove the prototype for
10670 flow_loop_outside_edge_p.
10672 * emit-rtl.c (init_virtual_regs): Make it static.
10673 * function.h: Remove the prototype for init_virtual_regs.
10675 * recog.c (peephole2_optimize): Make it static.
10676 * recog.h: Remove the prototype for peephole2_optimize.
10678 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10680 * df-scan.c (df_record_entry_block_defs): Check if
10681 INCOMING_RETURN_ADDR_RTX is defined.
10683 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10684 Kenneth Zadeck <zadeck@naturalbridge.com>
10686 PR rtl-optimization/24762
10687 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10688 * targhooks.c (hook_void_bitmap): New hook prototype.
10689 * targhoohs.h (hook_void_bitmap): Ditto.
10690 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10691 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10692 * target.h (live_on_entry): New function pointer.
10693 * df-scan.c (df_all_hard_regs): Removed.
10694 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10695 (df_scan_free_internal): Added df->entry_block_defs.
10696 (df_scan_alloc): Ditto.
10697 (df_scan_dump): Ditto.
10698 (df_uses_record): Plumbed flag field properly thru calls.
10699 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10700 This part fixes PR24762.
10701 (df_bb_refs_record): Added code to make the frame and arg
10702 pointers live in EH blocks.
10703 (df_refs_record): Added call to df_record_entry_block_defs.
10704 (df_record_entry_block_defs): New function.
10705 * df-core.c: Added comments to describe new artifical defs.
10706 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10707 (entry_block_defs): New field in struct df.
10708 (df_all_hard_regs): Deleted.
10709 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10710 * df-problems.c (df_ru_bb_local_compute_process_def):
10711 Added code to handle artifical defs in the entry to a function.
10712 (df_ru_bb_local_compute): Ditto.
10713 (df_rd_bb_local_compute_process_def): Ditto.
10714 (df_rd_bb_local_compute): Ditto.
10715 (df_lr_bb_local_compute): Ditto.
10716 (df_ur_bb_local_compute): Ditto.
10717 (df_urec_bb_local_compute): Ditto.
10718 (df_chain_create_bb): Ditto.
10719 (df_ur_local_finalize): Removed entry.
10720 (df_urec_init): Ditto.
10721 (df_urec_local_finalize): Ditto.
10722 (df_ri_bb_compute): Added detection of last use of pseudos.
10723 * Makefile.in (df-scan.o): Updated dependencies.
10724 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10725 * config/mips/mips.c (mips_set_live_on_entry): Added.
10726 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10728 * dce.c (marked_insn_p): Added code to handle artifical defs.
10730 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10732 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10734 (_mm_cvtsi128_si64): Likewise.
10735 (_mm_cvtsd_si64): Likewise.
10736 (_mm_cvttsd_si64): Likewise.
10737 (_mm_cvtsi64_sd): Likewise.
10738 (_mm_cvtsi64_si128): Likewise.
10739 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10740 (_mm_cvtsi64_m64): Likewise.
10741 (_m_to_int64): Likewise.
10742 (_mm_cvtm64_si64): Likewise.
10743 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10744 (_mm_cvttss_si64): Likewise.
10745 (_mm_cvtsi64_ss): Likewise.
10746 (_mm_cvtss_f32): Likewise.
10748 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10750 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10751 for pragma redefine_extname.
10753 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10756 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10757 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10758 -mno-minimal-toc to previous content.
10759 (bispecs): Remove goal.
10760 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10761 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10762 compatibility aliases on powerpc-*-*gnu*.
10763 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10764 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10765 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10766 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10767 (ldblspecs): New goal.
10768 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10769 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10771 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10772 L_sf_to_tf or L_df_to_tf is defined.
10774 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10775 Alan Modra <amodra@bigpond.net.au>
10778 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10779 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10780 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10781 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10782 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10783 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10784 (rs6000_override_options): Initialize rs6000_ieeequad.
10785 Initialize TFmode format to ibm_extended_format if not
10787 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10789 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10790 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10791 (function_arg_advance): IBM long double passed in two FPRs, not
10793 (function_arg): IBM long double passed in FPRs.
10794 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10795 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10796 Only multireg GPR aligned.
10797 (rs6000_init_libfuncs): Enable IBM long double functions if not
10799 (rs6000_generate_compare): Use IBM long double compare if not
10801 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10802 (TARGET_IEEEQUAD): Define.
10803 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10804 not TARGET_IEEEQUAD.
10805 * config/rs6000/rs6000.md: Enable TFmode patterns if
10807 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10808 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10809 and -mlong-double-128 are incompatible.
10810 * doc/invoke.texi (-mabi): Collect options together. Add
10811 ibmlongdouble and ieeelongdouble.
10813 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10815 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10817 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10818 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10819 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10820 * rtl.h (rtunion_def): Remove rt_ptr.
10822 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10823 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10824 * config/i386/winnt.c (i386_pe_mark_dllexport)
10825 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10827 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10829 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10831 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10835 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10836 pthread_key_delete. From John David Anglin. gthrw-ify
10837 pthread_getunique_np only if it it's not a macro. Delete
10839 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10840 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10841 __gthread_objc_condition_signal, __gthread_key_delete): Add
10842 "__attribute__ ((__unused__))" to unused arguments.
10843 (__gthread_recursive_mutex_init_function): Add missing return.
10844 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10845 gthr-posix95.h: Use macro-based approach for name redirection
10846 on targets missing weakref.
10848 2006-01-26 Zack Weinberg <zackw@panix.com>
10850 * genconditions.c (write_header): In generated code, #ifdef out
10851 all includes and fake declarations, except includes of bconfig.h
10852 and system.h, unless GCC_VERSION >= 3001. Do not include
10853 gensupport.h in any case.
10854 (write_conditions): Generate a definition of struct c_test. Add
10855 a comment to the generated #endif.
10856 (write_one_condition): Escape backslashes in string too.
10857 (write_writer): Generated code must escape backslashes and quote
10858 marks (but not newlines) in the strings it writes.
10859 * Makefile.in (build/gencondmd.o): Update dependencies.
10861 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10864 * Makefile.in (insn-automata.o): Add header file dependencies.
10865 * genautomata.c: Add includes.
10867 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10870 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10872 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10874 * configure.ac: Expect target tools paths to be passed from the toplevel
10875 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10877 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10879 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10882 * c.opt (Wpointer-sign): Init to -1.
10883 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10884 OPT_pedantic, to 0 otherwise.
10885 * doc/invoke.texi: Update.
10887 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10889 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10890 constants provided by 80387 instructions in the destination mode.
10892 2006-01-26 Richard Guenther <rguenther@suse.de>
10893 Andrew Pinski <pinskia@physics.uc.edu>
10896 partial PR tree-opt/17064
10897 * tree-ssa-structalias.c (intra_create_variable_infos):
10898 Create heap variables for incoming parameters if
10899 flag_argument_noalias > 1.
10900 (find_what_p_points_to): Look through default defs of
10903 2006-01-26 Jeff Law <law@redhat.com>
10906 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10907 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10908 within the VR_RANGE, use the VR_RANGE as the result, not the
10910 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10911 bounds for the type.
10913 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10915 * tree-ssa-alias.c (maybe_create_global_var): Change
10916 subvar walking to an assertion that we don't have subvar'd variables.
10918 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10921 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10922 Use a new variable, inner. PARM_DECLs are always non-weak.
10924 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10926 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10927 --disable-checking.
10929 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10931 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10933 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10935 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10936 (smax_insn, smin_insn, smax_0, smin_0): New.
10938 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10941 * config/cris/cris.c (cris_order_for_addsi3): New function.
10942 * config/cris/cris-protos.h: Prototype it.
10943 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10944 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10945 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10946 (split for "op.S1 [rx=rx+i],ry (swapped)")
10947 (split for "op(s|u).S1 [rx=rx+i],ry")
10948 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10949 Apply cris_order_for_addsi3 when generating addsi3 insns.
10951 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10953 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10954 (TREE_BLOCK): Add call to EXPR_CHECK.
10956 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10959 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10960 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10961 (dump_omp_clauses): ... here.
10962 (dump_generic_node): Handle OMP_CLAUSE.
10963 * tree.c (omp_clause_num_ops): New.
10964 (omp_clause_code_name): New.
10965 (tree_code_size): Handle OMP_CLAUSE.
10966 (tree_size): Likewise.
10967 (make_node): Document handling of OMP_CLAUSE.
10968 (tree_node_structure): Handle OMP_CLAUSE.
10969 (omp_clause_check_failed): New.
10970 (omp_clause_range_check_failed): New.
10971 (omp_clause_operand_check_failed): New.
10972 (build_omp_clause): New.
10973 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10974 * tree.h (enum omp_clause_code): Declare.
10975 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10976 (OMP_CLAUSE_RANGE_CHECK): Define.
10977 (OMP_CLAUSE_ELT_CHECK): Define.
10978 (omp_clause_check_failed): Declare.
10979 (omp_clause_operand_check_failed): Declare.
10980 (omp_clause_range_check_failed): Declare.
10981 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10982 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10983 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10984 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10985 (OMP_CLAUSE_IF_EXPR): Likewise.
10986 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10987 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10988 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10989 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10990 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10991 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10992 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10993 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10994 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10995 (OMP_CLAUSE_CODE): Define.
10996 (OMP_CLAUSE_SET_CODE): Define.
10997 (OMP_CLAUSE_CODE): Define.
10998 (OMP_CLAUSE_OPERAND): Define.
10999 (struct tree_omp_clause): Declare.
11000 (union tree_node): Add field 'omp_clause'.
11001 * treestruct.def (TS_OMP_CLAUSE): Define.
11002 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11003 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11004 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11005 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11006 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11007 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11008 (OMP_CLAUSE): Define.
11009 * print-tree.c (print_node): Handle OMP_CLAUSE.
11010 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11011 * c-typeck.c: Likewise.
11012 * gimplify.c: Likewise.
11013 * c-omp.c: Likewise.
11014 * tree-nested.c: Likewise.
11015 * tree-inline.c: Likewise.
11016 * c-parser.c: Likewise.
11017 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11020 2006-01-25 Roger Sayle <roger@eyesopen.com>
11022 PR rtl-optimization/25703
11023 * combine.c (try_combine): Handle zero_extract and strict_low_part
11024 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11026 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11028 * global.c: Fix comment typos.
11030 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11033 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11034 Use output_addr_const instead of assemble_name.
11036 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11038 * Makefile.in (sched-vis.o): Update dependencies.
11039 * haifa-sched.c (sched_finish): Clear current_sched_info.
11040 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11041 (dump_flow_info): Call it.
11042 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11044 * basic-block.h (dump_bb_info): Declare.
11045 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11046 option, and apply options only for dump files whose TDF_RTL,
11047 TDF_TREE, or TDF_IPA bits match.
11048 * rtl.h: Declare new functions exported from sched-vis.c.
11049 * sched-vis.c: Enable also if scheduling is not used.
11050 (print_value): Print the mode of registers if not inside scheduling.
11051 (print_insn): Make it work outside the scheduler. Beautify the output
11053 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11055 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11057 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11058 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11059 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11060 depending on the value of CONSTANT_POOL_ADDRESS_P.
11061 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11063 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11064 rather than SYMBOL_REF_DECL.
11065 (rtx_constant_pool): Remove const_rtx_sym_htab.
11066 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11067 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11068 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11069 Remove handling of const_rtx_sym_htab.
11070 (find_pool_constant): Delete.
11071 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11072 rather than find_pool_constant.
11073 (get_pool_constant_for_function): Delete.
11074 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11075 find_pool_constant.
11076 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11077 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11078 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11079 (SYMBOL_REF_CONSTANT): New macro.
11080 (get_pool_constant_for_function): Delete.
11081 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11082 rather than SYMBOL_REF_DECL.
11083 (i386_pe_mark_dllimport): Likewise.
11084 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11085 rather than SYMBOL_REF_DECL.
11086 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11087 (machopic_indirect_call_target): Likewise.
11089 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11091 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11093 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11095 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11097 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11099 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11101 2006-01-24 David Daney <ddaney@avtrex.com>
11104 * configure.ac (enable_tls): New enable option.
11105 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11106 * configure: Regenerate.
11107 * doc/install.texi (--enable-tls): Document new option.
11108 (--disable-tls): Ditto.
11110 2006-01-24 Richard Henderson <rth@redehat.com>
11112 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11113 * alias.c (true_dependence): Respect it.
11114 (canon_true_dependence, write_dependence_p): Likewise.
11115 * builtins.c (get_builtin_sync_mem): Set it.
11117 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11119 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11122 2006-01-24 DJ Delorie <dj@redhat.com>
11124 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11125 for storing constants in single-bit bitfields.
11127 2006-01-25 Ben Elliston <bje@au.ibm.com>
11129 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11131 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11134 * tree-ssa-pre.c (phi_translate): Return NULL
11135 for AGGREGATE_TYPE's.
11137 2006-01-24 Zack Weinberg <zackw@panix.com>
11139 * genautomata.c (process_state_for_insn_equiv_partition):
11140 Use xcalloc for insn_arcs_array.
11141 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11142 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11144 2006-01-24 Richard Henderson <rth@redhat.com>
11146 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11147 update all callers.
11149 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11151 PR rtl-optimization/25890
11152 PR rtl-optimization/25905
11153 * combine.c (expand_compound_operation, expand_field_assignment):
11154 Fail if the bitfield's final position is out of bounds.
11156 2006-01-24 Ian Lance Taylor <ian@airs.com>
11158 PR middle-end/25930
11159 * cgraphunit.c (cgraph_output_in_order): Don't clear
11160 cgraph_asm_nodes until after asm strings have been output.
11162 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11164 * fix-header.c (read_scan_file): Add new parameter imultilib when
11165 calling register_include_chains.
11167 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11169 * omp-low.c: Update documentation.
11171 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11172 Daniel Berlin <dberlin@dberlin.org>
11176 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11177 return from the function.
11179 2006-01-22 Zack Weinberg <zackw@panix.com>
11181 * rtl.def (match_code): Add second argument.
11182 * genpreds.c (write_extract_subexp): New function.
11183 (write_match_code): Add path argument. Use write_extract_subexp.
11184 (write_predicate_expr): Pass path to write_match_code.
11185 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11186 not perform a mode test.
11187 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11188 a subexpression does not constrain the top-level code set.
11189 * read-rtl.c (read_rtx_variadic): New function.
11190 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11191 * doc/md.texi: Document new notation.
11192 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11193 (cmpsi_operand): ... here, using new notation.
11195 2006-01-22 Zack Weinberg <zackw@panix.com>
11197 * varray.c: Remove GENERATOR_FILE #ifdefs.
11199 2006-01-22 Zack Weinberg <zackw@panix.com>
11201 * genautomata.c (output_reserved_units_table): Emit nothing if
11202 description->query_units_num is zero. Remove extra blank line.
11203 (output_cpu_unit_reservation_p): Short circuit
11204 if description->query_units_num is zero.
11206 2006-01-22 Zack Weinberg <zackw@panix.com>
11208 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11209 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11210 nor any of the random handful of variables that used to be necessary
11211 when this program was linked with rtlanal.o. Prune set of forward
11212 function declarations.
11213 (struct attr_desc): Remove static_p field.
11214 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11215 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11216 (attr_string): Do not read the character one past the length of
11218 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11219 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11220 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11221 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11222 (make_automaton_attrs): New.
11223 (main): Do not call into genautomata. Call local gen_bypass
11224 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11225 Remove special case for insn_alts.
11226 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11227 varray.h (leftover from previous change). Prune set of forward
11228 function declarations. Remove state_alts fields from all
11229 structures. Remove state_alts_table from struct automaton.
11230 Make everything except main static. Do not maintain num_dfa_decls.
11231 Do not maintain state_alts fields of various structures.
11232 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11233 (add_arc): Remove state_alts argument. All callers updated.
11234 (output_reserved_units_table): Emit #ifdef here...
11235 (output_tables): ...not here. Don't generate state_alts tables.
11236 (expand_automata): Don't generate attributes.
11237 (write_automata): Don't generate state_alts functions.
11238 (main): New function.
11239 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11240 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11241 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11242 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11243 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11244 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11245 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11246 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11248 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11249 * genattrtab.h: Delete file.
11250 * Makefile.in (OBJS-common): Add insn-automata.o.
11251 (insn-automata.o): New rule.
11252 (simple_generated_c): Add insn-automata.c.
11253 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11254 (genprogmd): Add automata.
11255 (build/genattrtab): Needs no extra objects nor libraries.
11256 (build/genautomata): Needs build/vec.o and -lm.
11258 2006-01-22 Zack Weinberg <zackw@panix.com>
11260 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11261 (output_dfa_max_issue_rate, locked_states_num): Delete.
11262 (struct automaton): Add locked_states field.
11263 (output_dead_lock_vect): Save number of locked states in
11264 automaton->locked_states. If it is zero, don't print anything.
11265 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11266 (output_internal_dead_lock_func): Only test the dead_lock_vect
11267 for automata that have locked states.
11268 (output_statistics): Always print the number of locked states for
11269 each automaton. Calculate total number of locked states here.
11270 (write_automata): Don't call output_dfa_max_issue_rate.
11271 * genattrtab.c: Define length_unit_log as a const variable.
11272 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11273 max_insn_queue_index const.
11274 * final.c (length_unit_log): Declare const.
11275 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11277 2006-01-22 Zack Weinberg <zackw@panix.com>
11279 * genautomata.c: Include vec.h, not varray.h.
11280 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11281 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11282 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11283 VEC_* macros operating on appropriately typed vectors, or to
11284 malloced arrays when the size is known in advance. Const-ify
11285 many char* variables and function arguments. No functional changes.
11286 * Makefile.in (build/varray.o): Delete rule.
11287 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11288 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11290 2006-01-22 Zack Weinberg <zackw@panix.com>
11292 * gensupport.c: Define get_insn_name and record_insn_name here.
11293 (read_md_rtx): Call record_insn_name as appropriate.
11294 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11295 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11296 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11298 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11299 (BUILD_VARRAY): Delete.
11300 (genprognormal): Rename genprogmd. Fold in all programs from
11301 genprognoprint; also attrtab.
11302 (build/genattrtab): Just mention genautomata.o and varray.o.
11303 Reorganize a bit, add comments to make the categories clearer.
11305 2006-01-22 Zack Weinberg <zackw@panix.com>
11307 * genconditions.c (condition_table, add_condition): Delete.
11308 (write_conditions): Don't emit n_insn_conditions nor
11309 insn_elision_unavailable. Issue the gcc version #ifdef here,
11310 inside the table, with no #else clause ...
11311 (write_header): ...not here.
11312 (write_writer): New function.
11313 (main): Don't initialize condition_table. Use add_c_test.
11315 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11316 files on the command line.
11317 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11318 Return -1 if there is no entry in the table, don't abort.
11319 (add_c_test, traverse_c_tests): New functions.
11320 * gensupport.h (insn_elision_unavailable, insn_conditions)
11321 (n_insn_conditions): Delete declarations.
11322 (add_c_test, traverse_c_tests): Declare.
11323 * read-rtl.c: Include gensupport.h.
11324 (read_conditions): New function.
11325 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11326 (read_rtx_1): If we get EOF when we were looking for an initial
11327 open paren, return 0. Call read_conditions when appropriate.
11328 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11329 dummy-conditions.o. Eliminate references to insn-conditions.o,
11330 or change them to build/gencondmd.o, as appropriate. Remove
11331 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11332 from $(simple_generated_c). For all files remaining in those
11333 two lists, add insn-conditions.md to the generator command line.
11334 Give insn-constants.h/s-constants their own rules. Add rules
11335 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11336 (build/read-rtl.o): Depend on gensupport.h.
11337 (genprognormal): Include preds.
11338 (genprogearly): Rename genprognoprint; only difference is now that
11339 they don't link with $(BUILD_PRINT).
11340 * dummy-conditions.c: Delete.
11342 2006-01-22 Zack Weinberg <zackw@panix.com>
11344 * genextract.c: Don't include insn-config.h. Do include vec.h.
11345 Declare vectors of int, char, and locstr.
11346 (locstr): New typedef.
11347 (struct extraction): Make all array fields into bare pointers.
11348 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11349 (insn_code_number): Delete.
11350 (accum_extract): New struct.
11351 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11352 (gen_insn): Take insn_code_number as an argument. Use an
11353 accum_extract structure instead of loading data directly into
11354 a struct extraction, and having to know how big it might get.
11355 (walk_rtx): Operate entirely on an accum_extract structure.
11356 (print_path): Avoid unnecessary use of printf.
11357 (print_header): New function, split out of main. Distinguish
11358 more carefully between an unrecognizable insn and an insn that
11359 has the code number of a define_expand.
11360 (main): Pass insn_code_number to gen_insn. Call print_header
11361 only after parsing. Avoid unnecessary use of printf.
11362 * Makefile.in (build/vec.o): New rule.
11363 (build/genextract): Depend on build/vec.o.
11364 (build/genextract.o): Don't depend on insn-config.h.
11366 2006-01-22 Zack Weinberg <zackw@panix.com>
11368 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11369 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11370 practical. Eliminate per-generator-program link rules.
11372 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11374 PR middle-end/24437
11375 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11376 with a call expr to ...
11377 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11379 2006-01-23 Richard Guenther <rguenther@suse.de>
11381 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11382 before make_edge with conditional EDGE_TRUE_VALUE.
11384 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11385 Jan Hubicka <jh@suse.cz>
11386 Richard Guenther <rguenther@suse.de>
11388 PR rtl-optimization/25654
11389 * cfgexpand.c (aggregate_contains_union_type): New function.
11390 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11391 for structure variables that contain a union type.
11393 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11395 * gengtype.c (new_structure): Return the structure.
11396 (create_option): Add an extra "next" argument.
11397 (create_field): New function.
11398 (adjust_field_rtx_def): Use create_option and create_field.
11399 Remove a now-unnecessary call to find_structure.
11400 (adjust_field_tree_def): Likewise.
11401 (note_yacc_type): Remove an unnecessary call to find_structure.
11402 * gengtype.h (new_structure): Return the structure.
11403 (create_option): Add an extra argument.
11404 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11405 (option): Adjust calls to create_option.
11407 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11409 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11411 2006-01-22 Paul Brook <paul@codesourcery.com>
11412 Peter Barada <peter@the-baradas.com>
11414 * config/m68k/m68k.md: Add Coldfire FPU support.
11415 Define FP mode macro and associated attributes.
11416 Use it for float mode patterns.
11417 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11418 (LIBCALL_VALUE): Use m68k_libcall_value.
11419 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11420 (m68k_function_value): Ditto.
11421 (emit_move_sequence): Ditto.
11422 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11423 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11424 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11425 (MULTILIB_EXCEPTIONS): Ditto.
11426 * config/m68k/m68k.opt: Add mcfv4e.
11427 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11428 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11429 (m68k_output_function_prologue): Save ColdFire FPU registers.
11430 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11431 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11432 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11433 ColdFire FPU registers.
11434 (m68k_libcall_value, m68k_function_value): New functions.
11435 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11436 (LIBCALL_VALUE): Use m68k_libcall_value.
11437 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11438 (MASK_COLDFIRE): Add MASK_CFV4E.
11439 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11440 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11441 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11442 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11443 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11444 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11445 * doc/invoke.tex: Document -mcfv4e on m68k.
11447 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11449 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11452 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11455 * c-opts.c (c_common_handle_option): Don't include
11456 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11457 * doc/invoke.texi (C++ Dialect Options): Document that
11458 -Wnon-virtual-dtor is no longer included in -Wall.
11460 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11462 * gcov.c (print_version), gcov-dump.c (print_version),
11463 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11466 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11468 * df-scan.c (problem_SCAN): Added NULL reset function.
11469 (df_scan_reset_blocks): Added code to call reset block function
11470 (df_bb_refs_delete) Fixed comment.
11471 (df_insn_refs_delete): Made tolerant of deleting non existent info
11472 for dataflow problems that need to be reset.
11473 * df-core.c (df_set_blocks): Ditto.
11474 * df.h (struct df_problem): Added reset_fun.
11475 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11476 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11477 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11478 functions to clear out all references to def-use or use-def chains.
11480 2006-01-21 Ben Elliston <bje@au.ibm.com>
11482 * varasm.c (assemble_real): Initialise data array.
11484 2006-01-20 Paul Brook <paul@codesourcery.com>
11486 Merge from csl-arm-branch.
11487 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11488 * config/arm/arm.md (movdi): Force operands[1] to a register
11489 if we have a non-register source.
11490 (*arm_movdi, *movdf_soft_insn): Require that one of the
11491 operands be a register.
11492 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11493 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11495 2006-01-20 DJ Delorie <dj@redhat.com>
11497 * varasm.c (initializer_constant_valid_p): Allow pointers
11498 initialized from integer constants of lesser precision.
11499 (output_constant): Allow non-int-sized pointer modes to be
11500 initialized from integer constants.
11502 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11505 * cppdefault.h (struct default_include): Add multilib flag.
11506 * cppdefault.c (cpp_include_defaults): Set it.
11507 * c.opt (-imultilib): New option.
11508 * c-opts.c (imultilib): New.
11509 (c_common_handle_option): Handle -imultilib.
11510 (c_common_post_options): Likewise.
11511 * c-incpath.c (add_standard_paths, register_include_chains):
11513 * c-incpath.h (register_include_chains): Add extra parameter.
11514 * gcc.c (do_spec_1): Generate -imultilib option.
11515 (The Specs Language): Update %I description.
11516 (process_command): Update copyright notice.
11517 * doc/cppopts.texi (-imultilib): Document.
11518 * doc/invoke.texi (-imultilib): Include in option summary.
11519 (%I): Update specs documentation.
11521 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11523 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11525 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11527 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11530 2006-01-20 Richard Guenther <rguenther@suse.de>
11531 Steven Bosscher <stevenb.gcc@gmail.com>
11533 PR rtl-optimization/24626
11534 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11535 EDGE_TRUE_VALUE if in RTL mode.
11538 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11539 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11541 2006-01-20 Dirk Mueller <dmueller@suse.com>
11544 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11545 instead of a special NOP marker.
11546 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11547 NOP marker handling.
11548 * c-common.h (empty_body_warning): Add forward declaration.
11549 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11550 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11552 2006-01-20 Paul Brook <paul@codesourcery.com>
11554 * Makefile.in (lang_checks): Keep going if mkdir fails.
11556 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11558 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11559 be able to clean out basic block when not necessary.
11560 (df_scan_free): Fixed to properly delete information if df is
11561 unused before calling df_finish.
11562 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11563 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11565 (df_bb_refs_delete): New function.
11566 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11567 * df-core.c (df_set_blocks): Added code to properly clean out
11568 unused blocks if they are not part of the blocks to consider.
11569 Added additional null check.
11570 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11571 be able to clean out basic block when not necessary
11572 * df.h (df_free_bb_function): Ditto.
11573 (df_bb_refs_delete): New function.
11574 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11575 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11576 basic block parameter to be able to clean out basic block when not
11578 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11579 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11580 Fixed to properly delete information if df is unused before
11583 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11585 PR rtl-optimization/25799
11586 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11587 Corrected confluence operator to remove bits from op2 before oring
11588 with op1 rather than removing bits from op1.
11589 (df_ru_transfer_function): Corrected test on wrong bitmap which
11590 caused infinite loop. Both of these problems were introduced in
11591 the dataflow rewrite.
11593 2006-01-19 DJ Delorie <dj@redhat.com>
11595 * reload1.c (find_reload_regs): Note the details of reload
11596 failures in the dump file.
11597 (spill_failure): Likewise.
11599 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11601 * loop-iv.c: Include df.h and hashtab.h.
11602 (enum iv_grd_result): New enum.
11603 (DF_REF_IV, DF_REF_IV_SET): New macros.
11604 (struct biv_entry): New.
11605 (df, bivs): New global variables.
11606 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11607 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11609 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11610 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11611 analyzed_for_bivness_p, record_biv): New functions.
11612 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11613 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11614 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11616 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11618 (iv_number_of_iterations): Use new interface to iv analysis.
11619 * loop-unroll.c: Do not include varray.h.
11620 (analyze_iv_to_split_insn): Use new interface to iv
11622 * loop-unswitch.c (may_unswitch_on): Ditto.
11623 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11625 (df_bb_modify): Realloc tables to the new index.
11626 (df_find_use): New function.
11627 * df.h (df_find_use): Declare.
11628 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11630 * cfgloop.h (struct rtx_iv): Remove analysed field.
11631 (iv_get_reaching_def): Removed.
11632 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11633 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11634 (loop-iv.o): Add df.h and hashtab.h dependency.
11635 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11637 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11640 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11642 (__floatundisf, __floatundidf): Likewise.
11643 * libgcc2.h (IS_IBM_EXTENDED): Define.
11645 2006-01-19 DJ Delorie <dj@redhat.com>
11647 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11649 2006-01-19 Paul Brook <paul@codesourcery.com>
11651 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11652 as nothrow when unwinding tables are disabled.
11654 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11657 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11658 of bit-field" when in system header.
11660 2006-01-19 DJ Delorie <dj@redhat.com>
11662 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11663 the 16 bit shift limit of the m16c.
11665 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11668 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11669 * config/i386/i386.c (output_set_got): Output the label if we have one
11670 for the TARGET_DEEP_BRANCH_PREDICTION case.
11672 2006-01-19 Jan Hubicka <jh@suse.cz>
11673 H.J. Lu <hongjiu.lu@intel.com>
11674 Evandro Menezes <evandro.menezes@amd.com>
11676 * invoke.texi (generic): Document
11678 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11679 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11680 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11681 (x86_use_incdec, x86_pad_returns): New variables
11682 (TARGET_CPU_DEFAULT_generic): New constant
11683 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11684 (enum processor_type): Add generic32 and generic64.
11685 * i386.md (cpu attribute): Add generic32/generic64
11686 (movhi splitter): Behave sanely when both partial_reg_dependency and
11687 partial_reg_stall are set.
11688 (K8 splitters): Enable for generic as well.
11689 * predicates.md (incdec_operand): Use TARGET_INCDEC
11690 (aligned_operand): Avoid memory mismatch stalls.
11691 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11692 * ppro.md: Enable for generic32
11693 * i386.c (generic64_cost, generic32_cost): New.
11694 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11695 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11696 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11697 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11698 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11699 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11700 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11701 x86_accumulate_outgoing_args, x86_prologue_using_move,
11702 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11703 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11704 Enable for generic.
11705 (x86_use_incdec, x86_pad_returns): New.
11706 (override_options): Add generic32 and generic64, translate "generic"
11707 to generic32/generic64 and "i686" to "generic32", refuse
11708 "generic32"/"generic64" as arch target.
11709 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11710 (ix86_reorg): Honor PAD_RETURNS.
11712 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11714 * tree-pretty-print.c (dump_generic_node): Handle
11715 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11716 * cgraph.c (cgraph_expand_queue): Rename from
11717 cgraph_analyze_queue. Update all users.
11718 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11719 cgraph_expand_queue.
11720 (cgraph_expand_all_functions): Likewise.
11721 (cgraph_finalize_pending_functions): Remove. Update callers.
11723 * tree.h (OMP_DIRECTIVE_P): Define.
11724 (OMP_PARALLEL_FN): Define.
11725 (OMP_PARALLEL_DATA_ARG): Define.
11726 (OMP_SECTIONS_SECTIONS): Define.
11727 * tree-pass.h (pass_expand_omp): Declare.
11728 * omp-low.c (struct omp_region): Declare.
11729 (struct omp_context): Remove fields 'parallel_type',
11730 'parallel_start_ix' and 'parallel_start_additional_args'.
11732 (struct omp_for_data): Rename from struct expand_omp_for_data.
11733 (omp_regions): New static variable.
11734 (root_omp_region): New static variable.
11735 (find_omp_clause): Make static.
11736 (is_in_combined_parallel_ctx): Remove.
11737 (is_combined_parallel): New.
11738 (extract_omp_for_data): Move earlier in the file.
11739 (workshare_safe_to_combine_p): New.
11740 (get_ws_args_for): New.
11741 (determine_parallel_type): Move earlier in the file.
11742 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11744 (omp_copy_decl): Likewise.
11745 (create_omp_child_function): Likewise.
11746 (lookup_omp_region): New.
11747 (dump_omp_region): New.
11748 (debug_omp_region): New.
11749 (debug_all_omp_regions): New.
11750 (new_omp_region): New.
11751 (scan_omp_parallel): If parallel_nesting_level > 1, the
11752 directive is nested within another parallel directive.
11753 Set OMP_PARALLEL_FN.
11754 (scan_omp_for): Do not try to handle combined parallel+for
11756 Remove FIXME comment.
11757 (scan_omp_nested): Remove.
11758 (scan_omp_1): Do not call scan_omp_nested when
11759 parallel_nesting_level is > 1.
11760 Do not change the DECL_CONTEXT of local variables found.
11761 (lookup_decl_in_outer_ctx): New.
11762 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11763 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11764 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11765 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11766 If CTX is nested, lookup VAR in the outer context when
11767 building copy assignment.
11768 (lower_send_clauses): Rename from expand_send_clauses.
11769 If CTX is nested, lookup VAR in the outer context when
11770 building copy assignments.
11771 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11772 If CTX is nested, lookup VAR in the outer context when
11773 building copy assignments.
11774 (expand_parallel_call): Rename from build_parallel_call.
11775 Handle combined parallel+workshare cases.
11776 Re-implement to emit code into the CFG.
11778 (expand_omp_parallel): Re-implement to emit code into the CFG.
11779 Call move_sese_region_to_fn to outline the sub-graph
11780 containing the parallel region.
11781 (expand_omp_for_1): Remove.
11782 (expand_omp_for_generic): Re-implement to emit code into the
11784 (expand_omp_for_static_nochunk): Likewise.
11785 (expand_omp_for_static_chunk): Likewise.
11786 (expand_omp_for): Likewise.
11787 (expand_omp_sections): Likewise.
11788 (remove_exit_barriers): New.
11789 (expand_omp_synch): New.
11791 (build_omp_regions_1): New.
11792 (build_omp_regions): New.
11793 (execute_expand_omp): New.
11794 (gate_expand_omp): New.
11795 (pass_expand_omp): Define.
11796 (lower_omp_sections): Rename from expand_omp_sections.
11797 Set OMP_SECTIONS_SECTIONS.
11798 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11799 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11800 (lower_omp_single): Rename from expand_omp_simple.
11801 (lower_omp_master): Rename from expand_omp_master.
11802 (lower_omp_ordered): Rename from expand_omp_ordered.
11803 (lower_omp_critical): Rename from expand_omp_critical.
11804 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11805 (lower_omp_for): Re-implement.
11806 (lower_omp_parallel): Re-implement.
11807 (lower_regimplify): Rename from expand_regimplify.
11808 (lower_omp_1): Rename from expand_omp_1.
11809 If there are syntax errors in the program, replace every
11810 OpenMP directive with NOP.
11811 Call lower_omp_* instead of expand_omp_*.
11812 (lower_omp): Rename from expand_omp.
11814 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11815 * tree-gimple.h (enum omp_parallel_type): Remove.
11816 (gimple_boolify): Declare extern.
11817 (find_omp_clause, determine_parallel_type): Remove.
11819 * gimple-low.c (lower_omp_directive): New.
11820 (lower_stmt): Call it.
11821 (record_vars_into): Move from ...
11822 (record_vars): ... here.
11823 Call record_vars_into with current_function_decl.
11825 * gimplify.c (struct gimplify_ctx): Remove fields
11826 combined_pre_p and combined_ctxp. Update users.
11827 (get_formal_tmp_var): Add documentation.
11828 (gimple_boolify): Make extern.
11829 (gimplify_expr_in_ctx): Remove. Update callers.
11830 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11831 will always be a BIND_EXPR.
11832 (gimplify_expr): Handle OMP_RETURN_EXPR.
11833 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11834 (OMP_PARALLEL): Add 3 operands.
11835 (OMP_SECTIONS): Add 1 operand.
11836 (OMP_RETURN_EXPR): Define.
11838 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11839 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11840 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11841 creating a circular free list.
11842 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11844 * tree-flow.h (move_sese_region_to_fn): Declare.
11845 (record_vars_into): Declare.
11846 * tree-cfg.c (make_omp_sections_edges): New.
11847 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11848 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11849 OMP_SECTIONS and OMP_SECTION.
11850 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11851 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11852 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11853 (gather_blocks_in_sese_region): New.
11854 (struct move_stmt_d): Declare.
11855 (move_stmt_r): New.
11856 (move_block_to_fn): New.
11857 (move_sese_region_to_fn): New.
11859 * passes.c (init_optimization_passes): Schedule
11860 pass_expand_omp after pass_init_datastructures.
11862 * tree-ssa-operands.c (get_expr_operands): Handle
11863 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11864 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11866 2006-01-19 Jeff Law <law@redhat.com>
11868 * tree-vrp.c (extract_range_from_assert): Refine the result range
11869 if the variable referenced by the ASSERT_EXPR has a range and
11870 either the tentative result range or the previous range is a
11873 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11875 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11877 2006-01-19 Jan Hubicka <jh@suse.cz>
11879 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11881 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11883 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11884 (expand_compound_operation, expand_field_assignment): Fail if the
11885 bit lengths of an extract operation are out of range.
11886 (make_extraction): Compute wanted_inner_mode based on the position
11887 and length of the extraction. Make it extraction_mode for non-constant
11888 positions, and do not modify offset in that case. When generating a
11889 new MEM, use a mode that can hold the extraction while keeping correct
11890 alignment. Remove code that supported MEMs wrapped by USEs.
11891 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11893 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11895 * config/s390/s390.md ("Y", "y"): New mode attribute.
11896 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11897 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11898 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11899 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11900 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11901 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11902 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11903 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11904 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11905 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11906 "addsi3", "subsi3"): Insn patterns removed.
11907 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11908 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11909 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11910 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11911 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11912 "*sub<mode>3_cconly2"): New insn patterns.
11913 ("addsi3", "subsi3"): New expanders.
11915 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11917 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11918 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11919 existing STMT_VINFO_VECTYPE if available.
11920 (vect_mark_relevant): Add special handling for stmts that are
11921 marked as STMT_VINFO_IN_PATTERN_P.
11922 (vect_analyze_loop): Call vect_pattern_recog.
11923 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11924 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11926 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11927 (vect_recog_func_ptr): New function-pointer type.
11928 * tree-vect-patterns.c: New file.
11929 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11930 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11931 (vect_pattern_recog_1): New functions.
11932 (vect_pattern_recog_funcs): New array of function pointers.
11934 * tree-vectorizer.h (ternary_op): New enum value.
11935 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11936 declaration. Revised documentation. Removed redundant dump prints.
11937 Removed redundant argument. Added support for reduction patterns.
11938 (vectorizable_reduction): Added support for reduction patterns.
11939 (vect_transform_stmt): Added support for patterns.
11941 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11942 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11943 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11944 (expand_widen_pattern_expr): New function.
11945 (init_optabs): Initialize new optabs udot_prod_optab,
11947 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11948 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11949 (expand_widen_pattern_expr): New function declaration.
11950 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11952 * tree-inline.c (estimate_num_insns_1): Added cases for new
11953 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11954 * tree-pretty-print.c (dump_generic_node): Likewise.
11955 (op_prio): Likewise.
11956 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11957 * tree-ssa-operands.c (get_expr_operands): Added case for
11959 * tree-vect-patterns.c (widened_name_p): New function.
11960 (vect_recog_dot_prod_pattern): Added function implementation.
11961 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11962 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11963 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11964 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11966 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11967 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11968 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11969 (init_optabs): Initialize new optabs widen_ssum_optab,
11971 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11972 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11973 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11974 use instead of type of def.
11975 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11976 function implementation.
11977 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11978 widen_ssumv8hi): New.
11980 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11983 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11986 * c-decl.c (add_flexible_array_elts_to_size): New function.
11987 (finish_decl): Use it.
11989 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11991 * diagnostic.h: Include options.h.
11992 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11993 dependancies for diagnostic.h.
11994 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11996 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11998 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11999 (ssa_ro_call_cache_valid): Ditto.
12000 * tree-ssa-alias.c (sort_tags_by_id): New function.
12001 (init_transitive_clobber_worklist): Ditto.
12002 (add_to_worklist): Ditto.
12003 (mark_aliases_call_clobbered): Ditto.
12004 (compute_tag_properties): Ditto.
12005 (set_initial_properties): Ditto.
12006 (compute_call_clobbered): Ditto.
12007 (compute_may_aliases): Call compute_call_clobbered and grouping.
12008 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12009 (compute_flow_insensitive_aliasing): Grouping now happens in our
12011 (setup_pointers_and_addressables): Remove clobbering related code.
12012 (add_may_alias): Ditto.
12013 (replace_may_alias): Ditto.
12014 (get_nmt_for): Ditto.
12015 (create_global_var):
12016 (is_escape_site): Return an escape_type enumeration.
12017 * tree-flow-inline.h (is_call_clobbered): Global var does not
12018 imply call clobbered.
12019 (mark_call_clobbered): Take a reason for marking this. Remove
12020 marking of globalness, and cache invalidation.
12021 (clear_call_clobbered): Remove cache invalidation code.
12022 * tree-dfa.c (dump_variable): If details is on, dump the reason
12024 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12026 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12027 (struct var_ann_d): Ditto.
12028 (enum escape_type): New.
12029 (mark_call_clobbered): Adjust prototype.
12030 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12031 are never call clobbered.
12032 Record reasons for escaping.
12033 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12034 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12035 (ssa_ro_call_cache_valid): Ditto.
12036 (clobbered_v_may_defs): Ditto.
12037 (clobbered_vuses): Ditto.
12038 (ro_call_vuses): Ditto.
12039 (clobber_stats): New.
12040 (init_ssa_operands): Zero out clobber stats.
12041 (fini_ssa_operands): Print out clobber stats.
12042 (get_call_expr_operands): Pass callee fndecl to
12043 add_call_read_ops).
12044 (add_call_clobber_ops): Remove use of cache.
12045 Add use of PURE_CONST information.
12046 (add_call_read_ops): Remove use of cache.
12047 Add use of static not_read information.
12049 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12051 Introduce TLS descriptors for i386 and x86_64.
12052 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12053 (TARGET_ANY_GNU_TLS): New macro.
12054 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12055 (struct machine_function): Add tls_descriptor_call_expanded_p.
12056 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12057 (ix86_current_function_calls_tls_descriptor): Likewise.
12058 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12059 (override_options): Introduce gnu2 tls dialect.
12060 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12062 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12064 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12065 (ix86_init_machine_status): Initialize new field.
12066 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12067 (ix86_tls_module_base): New.
12068 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12069 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12070 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12071 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12072 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12073 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12074 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12075 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12076 * config/i386/predicates.md (tls_modbase_operand): New.
12077 (tp_or_register_operand): New.
12079 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12081 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12082 (look_for_address_of): Ditto.
12083 (ipa_init): Walk the function decls.
12084 (static_execute): Don't set readonly on FUNCTION_DECL's.
12086 2006-01-18 Roger Sayle <roger@eyesopen.com>
12088 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12089 for shifts where the source and destination registers are different.
12091 2006-01-18 Paul Brook <paul@codesourcery.com>
12093 Merge from csl-arm-branch.
12094 2005-03-14 Julian Brown <julian@codesourcery.com>
12095 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12096 (aeabi_llsl): Likewise.
12097 (ashrdi3): Likewise.
12098 (aeabi_lasr): Likewise.
12099 (lshrdi3): Likewise.
12100 (aeabi_llsr): Likewise.
12101 2005-03-10 Julian Brown <julian@codesourcery.com>
12102 * config.gcc: Disable shared libgcc for SymbianOS.
12103 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12105 2006-01-18 DJ Delorie <dj@redhat.com>
12107 * c-pragma.c (handle_pragma_diagnostic): New.
12108 (init_pragma): Register it.
12109 * doc/extend.texi: Document it.
12111 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12112 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12113 (diagnostic_context): Add classify_diagnostic[].
12114 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12115 as errors if they're overridden to DK_WARNING.
12116 (diagnostic_initialize): Initialize classify_diagnostic[].
12117 (diagnostic_set_kind_override): New.
12118 (diagnostic_report_diagnostic): Check for kind changes.
12119 * opts.c (common_handle_option): Take lang_mask. Update callers.
12120 Handle OPT_Werror_.
12121 * common.opt (Werror=): New.
12122 * doc/invoke.texi: Document -Werror=*
12124 2006-01-18 Jeff Law <law@redhat.com>
12126 * tree-vrp.c (test_for_singularity): Correct test for new
12127 min limit. Use operand_equal_p rather than pointer equality
12128 for testing if new min/max values are equal.
12130 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12131 using range information until after propagation and folding.
12133 2006-01-18 Richard Henderson <rth@redhat.com>
12134 Aldy Hernandez <aldyh@redhat.com>
12135 Jakub Jelinek <jakub@redhat.com>
12136 Diego Novillo <dnovillo@redhat.com>
12138 * omp-low.c: New file.
12139 * c-omp.c: New file.
12141 2006-01-18 Richard Henderson <rth@redhat.com>
12142 Jakub Jelinek <jakub@redhat.com>
12143 Diego Novillo <dnovillo@redhat.com>
12145 * doc/invoke.texi: Document -fopenmp.
12146 * tree-dump.h (debug_function): Declare.
12147 * hooks.c (hook_bool_tree_bool_false): New function.
12148 (hook_tree_tree_null): Remove.
12149 (hook_tree_tree_tree_null): New.
12150 * hooks.h: Update to match.
12151 * tree-pretty-print.c (debug_tree_chain): New.
12152 (print_generic_expr): Handle TDF_CHAIN.
12153 (dump_generic_node): Handle BLOCK.
12154 Do not abort with incomplete SWITCH_EXPRs.
12155 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12156 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12157 print space after directive name.
12158 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12159 Handle OMP_MASTER and OMP_ORDERED.
12160 Handle printing of OMP_BODY just in one place, goto
12161 dump_omp_body in the rest of OMP_* nodes that have
12163 Don't handle clause nodes here. Update omp statements to
12164 use dump_omp_clauses.
12165 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12166 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12167 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12168 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12169 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12170 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12171 Adjust output for GOMP_PARALLEL.
12172 (dump_omp_clauses): New.
12173 (print_declaration): Dump DECL_VALUE_EXPR.
12174 (op_symbol_1): Split out of op_symbol.
12175 (dumping_stmts): Remove. Update all users.
12176 * cgraph.c (cgraph_analyze_queue): New.
12177 (cgraph_add_new_function): New.
12178 * cgraph.h (cgraph_analyze_queue): Declare.
12179 (cgraph_add_new_function): Declare.
12180 (cgraph_lower_function): Remove.
12181 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12182 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12183 and TYPE_P nodes in its default clause.
12184 (empty_body_p): New.
12185 (tree_range_check_failed): New.
12186 (build5_stat): New.
12187 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12188 OMP_CLAUSE_REDUCTION_MERGE,
12189 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12190 OMP_CLAUSE_PRIVATE_DEBUG,
12191 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12192 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12193 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12194 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12195 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12196 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12197 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12198 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12199 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12200 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12201 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12202 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12203 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12204 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12205 (TREE_RANGE_CHECK): New.
12206 (empty_body_p): Declare.
12207 (enum omp_clause_default_kind): New.
12208 (build_string_literal): Declare.
12209 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12210 (build5_stat, build5): Declare.
12211 * tree-pass.h (TDF_CHAIN): Define.
12212 * tree-pass.h (PROP_gimple_lomp): Define.
12213 (pass_lower_omp): Declare.
12214 * diagnostic.h (debug_tree_chain): Declare.
12215 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12217 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12218 * builtins.c (build_string_literal): Make extern.
12219 * gcc.c (include_spec_function): New.
12220 (static_spec_functions): Add it.
12221 (main): Move load of libgomp.spec ...
12222 (LINK_COMMAND_SPEC): ... here.
12223 (link_gomp_spec): New.
12224 (static_specs): Include it.
12225 (LINK_COMMAND_SPEC): Add link_gomp.
12226 (GOMP_SELF_SPECS): New.
12227 (driver_self_specs): Include it.
12228 (switch_matches): Don't mark inline.
12229 (main): Load libgomp.spec.
12230 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12231 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12232 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12233 * tree-gimple.h (enum omp_parallel): Declare.
12234 (determine_parallel_type): Declare.
12235 (omp_firstprivatize_variable): Declare.
12236 (omp_reduction_init): Declare.
12237 (diagnose_omp_structured_block_errors): Declare.
12238 (struct walk_stmt_info): Add want_return_expr.
12239 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12240 (find_omp_clause): Declare.
12241 (insert_field_into_struct): Declare.
12242 (struct walk_stmt_info): Move from tree-nested.c
12243 (walk_stmts): Declare.
12244 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12246 * cgraphunit.c (cgraph_lower_function): Make static.
12247 (cgraph_finalize_pending_functions): New.
12248 (cgraph_finalize_function): Call it.
12249 (cgraph_finalize_compilation_unit): Likewise.
12250 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12251 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12252 (BT_FN_UINT_UINT): New.
12253 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12254 DEF_FUNCTION_TYPE_VAR_4): Document.
12255 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12256 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12257 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12258 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12259 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12260 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12261 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12262 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12263 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12264 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12265 into separate files.
12266 (DEF_GOMP_BUILTIN): New.
12267 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12268 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12269 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12270 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12271 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12272 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12273 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12274 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12275 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12276 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12277 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12278 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12279 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12280 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12281 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12282 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12283 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12284 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12285 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12286 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12287 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12288 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12289 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12290 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12291 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12292 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12293 * sync-builtins.def: New file, moved from builtins.def.
12294 * omp-builtins.def: New file, moved from builtins.def.
12295 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12296 * gimple-low.c (lower_function_body): Clear data.
12297 (lower_stmt): Do not handle COMPOUND_EXPR.
12298 Remove call to print_node_brief.
12299 * c-tree.h (c_finish_omp_clauses): New prototype.
12300 (C_DECL_THREADPRIVATE_P): Define.
12301 (lookup_name_no_remap, c_omp_remap_private): Remove
12302 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12303 (check_for_loop_decls): Update decl.
12304 (lookup_name_no_remap, c_omp_remap_private): Declare.
12305 (build_indirect_ref, build_modify_expr, pushdecl,
12306 pushdecl_top_level): Move to c-common.h.
12307 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12308 before the switch, but just in the 2 places that need it.
12309 * c-decl.c (diagnose_mismatched_decls): Do not check for
12310 mismatched thread-local attributes when OLDDECL is marked
12311 threadprivate and NEWDECL has no thread-local attributes.
12312 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12313 (c_gimple_diagnostics_recursively): Rename from
12314 c_warn_unused_result_recursively. Invoke
12315 diagnose_omp_structured_block_errors.
12316 (check_for_loop_decls): Return a singular decl found.
12317 * langhooks.c (lhd_omp_predetermined_sharing): Return
12318 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12319 (lhd_omp_firstprivatize_type_sizes): New.
12320 (lhd_omp_assignment): New.
12321 (lhd_omp_predetermined_sharing): New.
12322 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12323 (struct lang_hooks_for_types): Add
12324 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12325 omp_predetermined_sharing, omp_disregard_value_expr,
12326 omp_private_debug_clause, omp_clause_default_ctor,
12327 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12328 (c_finish_omp_clauses): New.
12329 (c_finish_bc_stmt): Diagnose break within omp for.
12330 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12331 (build_unary_op): Return error_mark after reporting
12333 (build_modify_expr): Likewise.
12334 * gimplify.c: Include optabs.h and pointer-set.h.
12335 (enum gimplify_omp_var_data): Declare.
12336 (struct gimplify_omp_ctx): Declare.
12337 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12339 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12340 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12341 (splay_tree_compare_decl_uid): New.
12342 (new_omp_context): New.
12343 (delete_omp_context): New.
12344 (gimple_add_tmp_var): Call omp_add_variable.
12345 (gimplify_bind_expr): Likewise.
12346 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12347 true, disregard DECL_VALUE_EXPR on the decl if any.
12348 (gimplify_expr_in_ctx): New.
12349 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12350 omp_add_variable, omp_notice_variable, omp_is_private
12351 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12352 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12353 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12354 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12355 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12356 gimplify_omp_atomic): New.
12357 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12358 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12359 OMP_CRITICAL and OMP_ATOMIC.
12360 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12361 * c-pragma.h (enum pragma_kind): Add
12362 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12363 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12364 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12365 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12366 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12367 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12368 PRAGMA_OMP_THREADPRIVATE.
12369 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12370 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12371 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12372 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12373 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12374 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12375 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12376 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12377 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12378 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12379 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12380 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12381 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12383 (struct nesting_info): Add field_map,
12384 suppress_expansion, debug_var_chain.
12385 (create_nesting_tree): Initialize them.
12386 (lookup_field_for_decl): Use field_map.
12387 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12388 (convert_local_omp_clauses): New.
12389 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12390 (walk_body): Split out of walk_function.
12391 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12392 (convert_nonlocal_reference): Handle omp statements.
12393 (convert_local_reference): Likewise.
12394 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12395 (unnest_nesting_tree): New.
12396 (lower_nested_functions): Call it.
12397 (insert_field_into_struct): Make extern.
12398 (struct walk_stmt_info): Move to tree-gimple.h.
12399 (walk_stmts): Make extern.
12400 * omp-builtins.def: New file.
12401 * tree-iterator.c (expr_only): Clarify comment.
12402 * c-common.h (pushdecl_top_level, pushdecl,
12403 build_modify_expr, build_indirect_ref,
12404 c_finish_omp_master, c_finish_omp_critical,
12405 c_finish_omp_ordered, c_finish_omp_barrier,
12406 c_finish_omp_atomic, c_finish_omp_flush,
12407 c_finish_omp_for, c_split_parallel_clauses,
12408 omp_clause_default_kind, c_omp_sharing_predetermined,
12409 c_omp_remap_decl): Declare.
12410 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12411 (OBJS-common): Add omp-low.o.
12412 (c-omp.o, omp-low.o): Add.
12413 (gimplify.o): Add dependency on $(OPTABS_H).
12414 (GTFILES): Add omp-low.c.
12415 (gt-stringpool.h): Add.
12416 * tree-cfg.c (set_bb_for_stmt): Do not update the
12417 block-to-labels map if we are currently expanding to RTL.
12418 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12420 Handle IDENTIFIER_NODE.
12421 (tree_verify_flow_info): Do not ICE when emitting error
12422 messages about invalid labels.
12423 (dump_function_to_file): Reset CFUN before emitting the body
12425 (debug_function): New.
12426 * passes.c (init_optimization_passes): Schedule
12428 * langhooks-def.h (lhd_omp_predetermined_sharing,
12429 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12431 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12432 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12433 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12434 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12435 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12436 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12437 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12438 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12439 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12440 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12441 (LANG_HOOK_DECLS): Use them.
12443 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12444 Richard Henderson <rth@redhat.com>
12445 Jakub Jelinek <jakub@redhat.com>
12446 Diego Novillo <dnovillo@redhat.com>
12448 * c-parser.c (pragma_omp_clause): Define.
12449 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12450 (c_parser_compound_statement): Likewise.
12451 (c_parser_statement): Likewise.
12452 (c_parser_pragma): Handle omp pragmas.
12453 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12454 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12455 (c_parser_omp_clause_name, check_no_duplicate_clause,
12456 c_parser_omp_variable_list,
12457 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12458 c_parser_omp_clause_copyprivate,
12459 c_parser_omp_clause_default,
12460 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12461 c_parser_omp_clause_lastprivate,
12462 c_parser_omp_clause_nowait,
12463 c_parser_omp_clause_num_threads,
12464 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12465 c_parser_omp_clause_reduction,
12466 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12467 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12468 c_parser_omp_atomic, c_parser_omp_barrier,
12469 c_parser_omp_critical, c_parser_omp_flush,
12470 c_parser_omp_for_loop, c_parser_omp_for,
12471 c_parser_omp_master, c_parser_omp_ordered,
12472 c_parser_omp_sections_scope, c_parser_omp_sections,
12473 c_parser_omp_parallel, c_parser_omp_single,
12474 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12475 * c-pragma.c (init_pragma): Do omp pragma registration here.
12476 * c.opt (fopenmp): New flag.
12478 2006-01-18 Eric Christopher <echristo@apple.com>
12480 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12481 * config/darwin.h (GOMP_SELF_SPECS): Define.
12483 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12485 * rtl.h: Remove the prototype for reg_alloc.
12487 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12490 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12491 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12492 sjlj and dwarf2 exception handling.
12493 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12494 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12495 * pa/pa.c (function_value): Treat complex and vector types as
12497 (function_arg): Likewise. Only pass scalar floats in the floating
12498 point argument registers.
12499 * pa/t-slibgcc-dwarf-ver: New file.
12500 * pa/t-slibgcc-sjlj-ver: New file.
12501 * pa/t-slibgcc-elf-ver: Delete file.
12503 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12505 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12506 unlikely_test_section_p test.
12508 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12510 * mode-switching.c (optimize_mode_switching): Make it static.
12511 * basic-block.h: Remove the prototype for
12512 optimize_mode_switching.
12514 * modulo-sched.c (sms_schedule): Make it static.
12515 * rtl.h: Remove the prototype for sms_schedule.
12517 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12518 * rtl.h: Remove the prototype for gcse_after_reload_main.
12520 * reg-stack.c (reg_to_stack): Make it static.
12521 * rtl.h: Remove the prototype for reg_to_stack.
12523 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12525 * rtl.h: Remove the prototypes for regrename_optimize and
12526 copyprop_hardreg_forward.
12528 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12530 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12531 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12532 Test against the appropriate null constant for the mode.
12533 If 'fixup_overlap' is true, swap the operands if they overlap.
12534 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12535 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12536 alpha_split_tmode_pair and adjust for above change.
12537 * config/alpha/alpha.md (movtf_internal): Adjust call to
12538 alpha_split_tfmode_pair and rely on it to swap the operands.
12539 (movti_internal): New insn and post-reload splitter.
12540 (movti): New expander.
12542 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12544 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12547 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12549 * rtlanal.c (global_reg_mentioned_p_1,
12550 global_reg_mentioned_p): Remove.
12551 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12553 * flow.c (initialize_uninitialized_subregs): Make it static.
12554 * rtl.h: Remove the prototype for
12555 initialize_uninitialized_subregs.
12557 * function.c (instantiate_virtual_regs): Make it static.
12558 * function.h: Remove the prototype for
12559 instantiate_virtual_regs.
12561 * regmove.c (regmove_optimize, combine_stack_adjustments):
12563 * rtl.h: Remove the prototypes for regmove_optimize and
12564 combine_stack_adjustments.
12566 2006-01-17 Roger Sayle <roger@eyesopen.com>
12568 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12569 (size_cost): Encode costs in bytes so that a reg-reg addition is
12570 equivalent to COSTS_N_INSNS(1).
12571 (override_options): Use the size_cost.branch_cost as the default
12572 ix86_branch_cost when optimizing for size.
12574 2006-01-18 Ben Elliston <bje@au.ibm.com>
12576 * Makefile.in (D32PBIT_FUNCS): New.
12577 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12578 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12579 D64PBIT_FUNCS and D128PBIT_FUNCS.
12580 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12581 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12583 (decnumber_dep): Define.
12584 * doc/libgcc.texi (Decimal float library routines): New node.
12585 * config/dfp-bit.h, config/dfp-bit.c: New files.
12587 2006-01-18 Ben Elliston <bje@au.ibm.com>
12589 * expr.c (emit_move_change_mode): Always adjust addresses, not
12590 just during reload. Copy replacements only during reload.
12591 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12592 emit_move_via_integer.
12594 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12596 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12597 instead of $(srcdir) and ${srcdir}.
12599 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12602 PR middle-end/11135
12603 * arm.h (struct machine_function): Add pic_reg.
12604 * arm.c (arm_pic_register): Make unsigned.
12605 (arm_override_options): Only set arm_pic_register if
12606 TARGET_SINGLE_PIC_BASE.
12607 (use_return_insn): Only test for a pic register if it is fixed.
12608 (arm_compute_save_reg0_reg12_mask): Likewise.
12609 (thumb_compute_save_reg_mask): Likewise.
12610 (legitimate_pic_operand): Factor out some known invariants.
12611 (legitimize_pic_address): If we don't have a fixed pic register,
12612 then set up a pseudo in the function entry sequence. Handle the
12613 pic base being in a pseudo.
12614 (arm_load_pic_register): Handle the pic register being in a pseudo.
12615 (arm_expand_prologue): Only set up the pic register if it is fixed.
12616 (thumb_expand_prologue): Likewise.
12617 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12618 (pic_load_addr_based_insn): Likewise.
12619 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12622 2006-01-18 Ben Elliston <bje@au.ibm.com>
12624 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12625 decimal float modes for all floating point registers.
12627 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12628 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12630 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12633 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12634 even when the pointer is not NULL.
12636 2006-01-16 Ian Lance Taylor <ian@airs.com>
12638 * common.opt (ftoplevel-reorder): New option.
12639 * cgraph.c (cgraph_asm_nodes): New global variable.
12640 (cgraph_asm_last_node): New static variable.
12641 (cgraph_order): New global variable.
12642 (cgraph_create_node): Set new order field.
12643 (cgraph_varpool_node): Likewise.
12644 (decide_is_variable_needed): Return true if not
12645 flag_toplevel_reorder.
12646 (cgraph_add_asm_node): New function.
12647 * cgraph.h (struct cgraph_node): Add order field.
12648 (struct cgraph_varpool_node): Add order field.
12649 (struct cgraph_asm_node): Define.
12650 (cgraph_asm_nodes, cgraph_order): Declare.
12651 (cgraph_add_asm_node): Declare.
12652 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12654 (cgraph_varpool_assemble_pending_decls): Call it.
12655 (cgraph_output_pending_asms): New static function.
12656 (cgraph_finalize_compilation_unit): Call it.
12657 (struct cgraph_order_sort): Define.
12658 (cgraph_output_in_order): New static function.
12659 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12660 !flag_toplevel_reorder case.
12661 * c-parser.c: Include "cgraph.h".
12662 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12664 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12665 than -fno-unit-at-a-time.
12666 * doc/invoke.texi (Option Summary): Mention
12667 -fno-toplevel-reorder.
12668 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12669 -funit-at-a-time documentation.
12671 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12672 Kazu Hirata <kazu@codesourcery.com>
12674 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12676 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12678 * Makefile.in (FUNCTION_H): New. Use it instead of
12679 function.h throughout the file.
12680 * function.h: Include tree.h.
12682 2006-01-17 Ben Elliston <bje@au.ibm.com>
12684 * recog.c: Separate some functions with whitespace.
12686 2006-01-16 Richard Henderson <rth@redhat.com>
12688 Merge from gomp branch:
12689 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12690 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12691 and rename from struct inline_data. Rename callee* to dst*;
12692 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12693 transform_new_cfg, transform_return_to_modify, and
12694 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12696 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12697 (copy_decl_for_dup): Remove.
12698 * tree-inline.c (struct inline_data): Move to header.
12699 (insert_decl_map): Export.
12700 (remap_decl): Update for member name changes. Use copy_decl hook.
12701 Allow for replacement to be a non-decl. Remove dead code.
12702 (remap_type_1): Check for existing mapping.
12703 (remap_type): Export.
12704 (remap_decls): Update for member name changes.
12705 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12706 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12707 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12708 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12709 (tree_function_versioning, build_duplicate_type): Likewise.
12710 (copy_body_r): Likewise. Export.
12711 (copy_decl_for_dup): Split into ...
12712 (copy_decl_for_dup_finish, copy_decl_to_var,
12713 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12714 (replace_ref_tree, inlining_p): Remove.
12716 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12718 * ifcvt.c (if_convert): Make it static.
12719 * rtl.h: Remove the prototype for if_convert.
12721 * local-alloc.c (local_alloc): Make it static.
12722 * rtl.h: Remove the prototype for local_alloc.
12724 * loop.c (loop_optimize): Make it static.
12725 * cfgloop.h: Remove the prototype for loop_optimize.
12728 2006-01-16 DJ Delorie <dj@redhat.com>
12730 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12733 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12735 * pa.md: Disparage copies between general and floating-point registers
12736 in 32-bit move patterns.
12738 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12741 * Makefile.in (check-%): Depend on site.exp instead of
12742 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12745 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12747 * global.c (global_alloc): Make it static.
12748 * rtl.h: Remove the prototype for global_alloc.
12750 2006-01-16 Richard Guenther <rguenther@suse.de>
12752 * tree-ssa-alias.c (struct used_part): Add write_only field.
12753 (get_or_create_used_part_for): Initialize it to true.
12754 (create_overlap_variables_for): Don't create structure variables
12755 for structures that only are written to.
12756 (find_used_portions): Handle MODIFY_EXPR to track whether a
12757 structure is only written to.
12759 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12761 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12763 * basic-block.h: Remove the prototype for
12764 partition_hot_cold_basic_blocks.
12766 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12768 * cppspec.c (lang_specific_spec_functions): Remove.
12769 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12770 * gcc.h (lang_specific_spec_functions): Remove.
12771 * gccspec.c (lang_specific_spec_functions): Remove.
12773 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12775 * combine.c (record_value_for_reg): Invalidate registers
12777 (record_dead_and_set_regs_1): Likewise, by passing them to
12778 record_value_for_reg.
12779 (record_dead_and_set_regs): Invalidate stores made by a
12780 call. We do not combine across a call, but we still
12781 relied on equivalences.
12783 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12785 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12786 vrp_int_const_binop returning non-constant nodes.
12788 2006-01-16 Paul Brook <paul@codesourcery.com>
12790 * config/m68k/m68k.c (output_move_const_into_data_reg):
12791 Output correct mnemonic for mvz and mvs.
12793 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12795 * rtl-factoring.c: Add sequence abstraction algorithm.
12796 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12797 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12799 (block_has_preserve_label): New function.
12800 * common.opt: Register new pass.
12801 * Makefile.in: Ditto.
12803 * timevar.def: Ditto.
12804 * tree-pass.h: Ditto.
12805 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12806 * rtl.h (make_jump_insn_raw): Add forward decl.
12807 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12809 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12810 Roger Sayle <roger@eyesopen.com>
12812 * fold-const.c (fold_minmax): New static function.
12813 (fold_binary) <MIN_EXPR>: Call it.
12814 <MAX_EXPR>: Likewise.
12815 * stor-layout.c (place_field): Use DECL_SIZE consistently
12816 in the computation of the new record size.
12818 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12820 * cse.c (cse_condition_code_reg): Make it static.
12821 * rtl.h: Remove the prototype for cse_condition_code_reg.
12823 * combine.c (combine_instructions): Make it static.
12824 * rtl.h: Remove the prototype for combine_instructions.
12826 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12829 * tree.c (get_file_function_name_long): Concatenate the first global
12830 object name with a string derived from the input filename of the object
12833 2006-01-16 Ben Elliston <bje@au.ibm.com>
12835 * config/i386/winnt-stubs.c: Update FSF address.
12836 * config/xtensa/ieee754-df.S: Ditto.
12837 * config/xtensa/ieee754-sf.S: Ditto.
12839 2006-01-14 Ian Lance Taylor <ian@airs.com>
12841 * ifcvt.c (noce_init_if_info): New static function, broken out of
12842 noce_process_if_block.
12843 (noce_process_if_block): Call noce_init_if_info.
12844 (check_cond_move_block): New static function.
12845 (cond_move_process_if_block): New static function.
12846 (process_if_block): Call cond_move_process_if_block.
12848 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12850 * cselib.c (hash_table): Rename to cselib_hash_table.
12851 (cselib_clear_table, discard_useless_values,
12852 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12853 cselib_init, cselib_finish): Adjust uses of hash_table.
12855 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12857 PR tree-optimization/25485
12858 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12859 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12860 is known to be false and true, respectively.
12862 2006-01-14 Richard Guenther <rguenther@suse.de>
12864 PR tree-optimization/22548
12865 PR tree-optimization/22555
12866 PR tree-optimization/22501
12867 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12868 * params.def (salias-max-array-elements): New parameter.
12869 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12870 * doc/invoke.texi (salias-max-array-elements): Document.
12871 * tree-flow-inline.h (var_can_have_subvars): We also handle
12873 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12875 * tree-ssa-structalias.c (params.h): Include.
12876 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12877 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12878 (get_constraint_for): For ADDR_EXPR operating on something
12879 containing an ARRAY_REF, add all subvars to the solution.
12880 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12881 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12882 for creating MUST_DEFs.
12883 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12885 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12887 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12889 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12890 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12891 number_of_iterations_le): New functions.
12892 (number_of_iterations_special): Removed.
12893 (number_of_iterations_exit): Do not use number_of_iterations_special.
12894 * tree.c (unsigned_type_for): Always return integer type.
12896 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12897 Richard Guenther <rguenther@suse.de>
12899 PR rtl-optimization/24257
12900 * gcse.c (find_moveable_store): Only consider a store movable
12901 when the SET_SRC of the insn can be assigned to a register.
12903 2006-01-14 Ian Lance Taylor <ian@airs.com>
12905 * tree.c (tree_not_class_check_failed): New function.
12906 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12907 (tree_not_class_check_failed): Declare.
12909 2006-01-13 Ian Lance Taylor <ian@airs.com>
12911 * reload1.c (do_output_reload): Add assertion rejecting a
12914 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12916 * combine.c (struct reg_stat): Add new fields truncation_label and
12918 (record_value_for_reg): Reset truncated_to_mode.
12919 (record_truncated_value): New function.
12920 (check_promoted_subreg): Call it. Rename to check_conversions.
12921 (combine_instructions): Rename check_promoted_subreg to
12923 (reg_truncated_to_mode): New function.
12924 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12925 (gen_lowpart_or_truncate): New function.
12926 (force_to_mode): Use it instead of gen_lowpart.
12928 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12930 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12931 VAR is a tag, not its type tag.
12933 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12935 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12936 alternatives to match style of other entries.
12937 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12939 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12941 PR tree-optimization/25771
12942 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12945 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12948 * tree-inline.c (declare_return_variable): If the return variable
12949 was marked as a non gimple complex, set the return slot variable
12950 to be a non gimple comple variable.
12952 2006-01-13 Richard Guenther <rguenther@suse.de>
12954 * builtins.c (expand_builtin_sincos): New function.
12955 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12957 (expand_builtin): Expand sincos using expand_builtin_sincos.
12959 2006-01-12 DJ Delorie <dj@redhat.com>
12961 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12962 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12963 so that constant shifts can be split.
12964 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12965 (m32c_valid_pointer_mode): Make static.
12966 (shift_gen_func_for): New.
12967 (m32c_prepare_shift): Use it. Split large const shifts into
12969 * config/m32c/predicates.md (shiftcount_operand): Allow more
12971 (longshiftcount_operand): New.
12972 * doc/md.texi (Machine Constraints): Document In6.
12974 2006-01-13 Ben Elliston <bje@au.ibm.com>
12976 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12977 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12980 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12982 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12983 to try to avoid clobbering pieces of structures when we know
12984 something about the whole structure.
12985 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12987 2006-01-13 Ben Elliston <bje@au.ibm.com>
12989 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12990 return in memory, as this is no limitation is no longer present.
12992 2006-01-12 DJ Delorie <dj@redhat.com>
12994 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12995 mova with fb, and for fb+0 -> An.
12997 * config/m32c/mov.md (peephole2): Fix enabling logic.
12999 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13000 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13001 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13002 FINI_ARRAY_SECTION_ASM_OP): Define.
13004 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13006 (m32c_legitimize_reload_address): New logic to reload FB to An.
13007 (m32c_output_reg_push): Add newline.
13008 (m32c_output_reg_pop): Likewise.
13010 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13012 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13014 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13016 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13018 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13020 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13023 2006-01-11 Ben Elliston <bje@au.ibm.com>
13025 * rtlanal.c (find_reg_note): Assert insn is not null.
13027 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13029 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13032 2006-01-11 Jeff Law <law@redhat.com>
13034 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13036 (mark_threaded_blocks, register_jump_thread): New functions.
13037 (thread_through_all_blocks): Remove unwanted argument. No
13038 longer rely on e->aux to communicate thread target info.
13039 Call mark_threaded_blocks. Release the threaded_blocks
13040 bitmap and threaded_edges vector when complete.
13041 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13042 (threaded_blocks): Remove.
13043 (tree_ssa_dominator_optimize): Remove initialization and
13044 finalization of threaded_blocks. Simplify call to
13045 thread_through_all_blocks.
13046 (thread_across_edge): Call register_jump_thread rather than
13047 storing thread information into e->aux.
13048 (free_all_edge_infos): Simplify now that e->aux is no longer
13049 used to communicate with thread_through_all_blocks.
13050 * tree-flow.h (thread_through_all_blocks): Update prototype.
13051 (register_jump_thread): Prototype.
13053 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13055 * df-core.c (df_compact_blocks, df_bb_replace): Use
13056 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13058 2006-01-11 Richard Guenther <rguenther@suse.de>
13060 PR tree-optimization/25734
13061 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13062 stop propagation after successful propagation to the LHS.
13064 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13066 * basic-block.h (control_flow_graph): Change the type of
13067 x_basic_block_info to VEC(basic_block,gc) *.
13068 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13070 (SET_BASIC_BLOCK): New.
13071 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13072 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13073 * cfgbuild.c (find_basic_blocks): Likewise.
13074 * cfglayout.c (fixup_reorder_chain): Likewise.
13075 * cfgrtl.c (create_basic_block_structure,
13076 rtl_create_basic_block): Likewise.
13077 * ifcvt.c (find_if_case_1): Likewise.
13078 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13081 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13083 * Makefile.in: Removed rotted odf.c entry.
13085 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13088 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13089 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13090 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13091 output pattern modifier, not %e.
13092 * config/cris/cris.c (cris_op_str): Update comment about pattern
13094 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13095 before falling through into...
13096 <case 'E'>: Redefined from old 'e' case.
13098 2006-01-11 Jan Hubicka <jh@suse.cz>
13101 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13103 2006-01-11 Jan Hubicka <jh@suse.cz>
13105 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13106 * i386.c (x86_decompose_lea): Kill.
13107 (ix86_rtx_costs): Kill.
13109 2006-01-11 Jan Hubicka <jh@suse.cz>
13111 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13112 * cgraph.h (cgraph_node): Add inline_decl.
13113 (cgraph_insert_node_to_hashtable): Declare.
13114 (save_inline_function_body): Declare.
13115 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13117 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13118 (cgraph_function_versioning): Update call of tree_function_versioning.
13119 (save_inline_function_body): New function.
13120 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13121 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13122 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13123 (cgraph_default_inline_p): Likewise.
13124 (cgraph_decide_inlining_incrementally): Likewise.
13125 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13126 (copy_bb): Kill saving; do updating of clones.
13127 (copy_cfg_body): Kill saving.
13128 (initialize_inlined-parameters): Likewise.
13129 (expand_call_inline): Likewise.
13131 (tree_function_versioning): New parameter "update_clones".
13132 (inlining_p): Kill saving.
13133 * tree-inline.h (tree_function_versioning): Update prototype.
13134 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13137 2006-01-11 Ian Lance Taylor <ian@airs.com>
13139 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13140 Allow undoing set of machine mode.
13141 (do_SUBST): Use enums instead of is_int.
13142 (do_SUBST_MODE): New function.
13143 (SUBST_MODE): New macro.
13144 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13145 reg and trying to replace reg_regno_rtx with a new register.
13146 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13147 (simplify_set): Use SUBST_MODE.
13148 (distribute_notes): Remove code that tried to update reg notes
13149 for regno_reg_rtx changes.
13151 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13153 PR tree-optimization/23109
13154 PR tree-optimization/23948
13155 PR tree-optimization/24123
13157 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13158 * tree-cfg.c (single_noncomplex_succ): New.
13159 * tree-flow.h (single_noncomplex_succ): Declare it.
13160 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13161 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13162 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13163 insert_bb, register_division_in, insert_reciprocals,
13164 replace_reciprocal, free_bb): New.
13165 (execute_cse_reciprocals_1): Rewritten.
13166 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13167 Do not commit any edge insertion. Always compute dominators and
13168 create the allocation pool.
13169 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13170 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13171 * targhooks.c (default_min_divistions_for_recip_mul): New.
13172 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13173 * passes.c (init_optimization_passes): Run recip after tree loop
13175 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13177 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13178 Kenneth Zadeck <zadeck@naturalbridge.com>
13180 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13181 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13182 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13183 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13184 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13185 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13186 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13187 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13188 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13189 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13190 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13191 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13192 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13193 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13194 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13195 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13196 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13197 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13198 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13199 DF_SCAN_POST_ALLOC): New macros.
13200 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13201 df_free_bb_function, df_local_compute_function, df_init_function,
13202 df_dataflow_function, df_confluence_function_0,
13203 df_confluence_function_n, df_transfer_function,
13204 df_finalizer_function, df_free_function, df_dump_problem_function,
13205 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13206 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13207 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13208 df_urec_bb_info, ) New types.
13209 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13211 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13212 df_analyze_simple_change_some_blocks,
13213 df_analyze_simple_change_one_block, df_compact_blocks,
13214 df_bb_replace, df_bb_regno_last_use_find,
13215 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13216 df_insn_regno_def_p, df_find_def, df_find_use,
13217 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13218 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13219 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13220 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13221 debug_df_chain, df_get_dependent_problem, df_chain_create,
13222 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13223 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13224 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13225 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13226 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13227 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13228 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13229 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13230 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13231 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13232 df_reorganize_refs, df_set_state, df_hard_reg_init,
13233 df_read_modify_subreg_p) New public functions.
13234 * df-core.c: The core dataflow solver and glue routines for rtl
13236 (df_init, df_add_problem, df_set_blocks, df_finish,
13237 df_hybrid_search_forward, df_hybrid_search_backward,
13238 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13239 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13240 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13241 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13242 df_reg_defined, df_find_use, df_reg_used, df_dump,
13243 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13244 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13245 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13246 debug_df_useno, reset_df_after_reload): New functions.
13247 * df-scan.c: The scanning fuctions, once in df.c, completely
13248 rewritten so that they now fully model the functionality of
13249 register usage at the backend.
13250 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13251 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13252 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13253 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13254 df_get_artificial_defs, df_get_artificial_uses,
13255 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13256 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13257 df_refs_delete, df_reorganize_refs, df_set_state,
13258 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13259 df_def_record_1, df_defs_record, df_uses_record,
13260 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13261 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13262 df_record_exit_block_uses, df_hard_reg_init): New functions.
13264 * df-problems.c: Seven concrete dataflow problems that use the
13265 scanning in df-scan.c and are solved by the engine in df-core.c.
13266 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13267 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13268 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13269 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13270 df_ru_free_bb_info, df_ru_alloc,
13271 df_ru_bb_local_compute_process_def,
13272 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13273 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13274 df_ru_transfer_function, df_ru_free, df_ru_dump,
13275 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13276 df_rd_free_bb_info, df_rd_alloc,
13277 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13278 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13279 df_rd_transfer_function, df_rd_free, df_rd_dump,
13280 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13281 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13282 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13283 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13284 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13285 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13286 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13287 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13288 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13289 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13290 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13291 df_urec_mark_reg_use_for_earlyclobber,
13292 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13293 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13294 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13295 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13296 df_chain_create_bb_process_use, df_chain_create_bb,
13297 df_chain_finalize, df_chain_free, df_chains_dump,
13298 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13299 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13300 df_reg_lifetime): New functions.
13301 * df.c: Deleted file.
13302 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13303 consistent with new df api.
13304 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13305 rest_of_handle_sms): Ditto.
13306 * web.c (unionfind_union, union_defs, entry_register, web_main):
13308 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13309 invariant_expr_equal_p, find_defs, check_dependencies,
13310 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13311 free_inv_motion_data, move_loop_invariants): Ditto.
13312 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13313 Update dependencies.
13314 (odf.c): Added defective entry that was deleted later in day.
13315 * sched-deps.c (sched_analyze_1): Ditto.
13317 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13319 * tree-ssa-operands.c (get_expr_operands): Record addressable
13320 variables directly. Do not call add_stmt_operands for CONST_DECLs
13322 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13323 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13325 2006-01-11 Ben Elliston <bje@au.ibm.com>
13327 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13328 function returns true in the positive case.
13330 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13333 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13334 for SI, DI, SF and DF modes. Add alternatives to copy between
13335 general and floating point registers to the 32-bit patterns.
13336 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13337 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13338 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13339 generating 64-bit code.
13340 * config/pa/pa.c (output_move_double): Handle copies between general
13341 and floating registers.
13343 2006-01-10 Stuart Hastings <stuart@apple.com>
13345 * config/i386/i386.md (set_got): Update.
13346 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13347 (builtin_setjmp_receiver): Mach-O support.
13348 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13349 (GOT_SYMBOL_NAME): Define.
13350 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13351 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13352 * config/i386/i386.c (override_options): Revise for Darwin.
13353 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13354 support. (darwin_x86_file_end): New. (output_set_got): Add label
13355 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13356 * config/i386/i386-protos.h (output_set_got): Likewise.
13357 * config/darwin.c (machopic_legitimize_pic_address): Update
13360 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13362 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13363 when MODE isn't BLKmode.
13365 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13367 PR rtl-optimization/25367
13368 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13370 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13373 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13374 for a negative bound.
13376 2006-01-10 Richard Guenther <rguenther@suse.de>
13378 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13379 Never override with anything constraint.
13381 2006-01-10 Jan Beulich <jbeulich@novell.com>
13383 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13384 256 bits when optimize_size.
13386 2006-01-10 Jan Beulich <jbeulich@novell.com>
13388 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13390 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13391 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13394 2006-01-10 Ben Elliston <bje@au.ibm.com>
13396 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13398 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13399 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13400 (USE_FP_FOR_ARG): Reject decimal float modes.
13401 (function_arg_advance): Likewise.
13402 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13403 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13404 point types in AltiVec vectors.
13405 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13406 (rs6000_libcall_value): Likewise.
13408 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13410 * config/xtensa/ieee754-df.S: New file.
13411 * config/xtensa/ieee754-sf.S: New file.
13412 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13413 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13414 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13416 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13418 * config/sh/predicates.md (binary_float_operator,
13419 binary_logical_operator, commutative_float_operator,
13420 equality_comparison_operator, greater_comparison_operator,
13421 less_comparison_operator, logical_operator,
13422 noncommutative_float_operator, shift_operator,
13423 symbol_ref_operand, unary_float_operator): Remove redundant
13426 2006-01-09 Jeff Law <law@redhat.com>
13428 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13429 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13430 now unused arguments. Callers updated.
13431 (eliminate_redundant_computations): Remove now unused arguments,
13433 (local_fold): Remove, no longer used.
13434 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13436 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13437 (simplify_cond): New function.
13438 (forward_propagate_into_cond): Call simplify_cond.
13440 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13442 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13443 (*vec_extractv2di_1_sse): New.
13445 2006-01-09 Ben Elliston <bje@au.ibm.com>
13447 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13449 2006-01-08 Richard Guenther <rguenther@suse.de>
13451 * tree-ssa-structalias.c (get_constraint_for): Remove
13452 anyoffset argument.
13453 (get_constraint_for_component_ref): Likewise.
13454 (do_deref): Likewise.
13455 (get_constraint_for): Likewise.
13456 (do_structure_copy): Likewise.
13457 (handle_ptr_arith): Likewise.
13458 (find_func_aliases): Likewise. Remove unused need_anyoffset
13461 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13462 Kaz Kojima <kkojima@gcc.gnu.org>
13464 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13465 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13466 (EXTRA_CONSTRAINT_C16): Remove.
13467 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13468 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13469 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13470 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13471 constants of SHmedia. Handle nested constant expressions of
13473 (andcosts): Fix the costs for SHmedia constants.
13474 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13475 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13476 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13477 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13478 (movv4hi_i, movv2si_i): Likewise.
13479 (movsi_const): Adjust the second operand of ior so to match with
13480 the Csu constraint.
13481 (movdi_const, movdi_const_32bit): Likewise.
13482 (movdi_const_16bit+1): Don't sign-extend LOW.
13483 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13485 (*double_shori): Fix the split condition. Use GEN_INT instead
13486 of get_int_mode calls. Mask lower 16-bit of the argument of
13488 (sym2GOTPLT): Remove.
13489 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13491 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13492 instead of EXTRA_CONSTRAINT_C16.
13494 2006-01-07 Ian Lance Taylor <ian@airs.com>
13495 David Edelsohn <edelsohn@gnu.org>
13497 PR rtl-optimization/25662
13498 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13499 for constant operands instead of simplify_gen_binary.
13500 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13501 after trying simplify_binary_operation
13503 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13505 * tree.c (iterative_hash_expr): Hash decls based on UID.
13507 2006-01-06 Eric Christopher <echristo@apple.com>
13509 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13510 (TARGET_UNWIND_EMIT): Fix spelling.
13511 * target.h (gcc_target): Add except_table_label.
13512 * except.c (output_function_exception_table): Use.
13513 * varasm.c (default_emit_except_table_label): New.
13514 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13516 (asm_out): Add here.
13517 * output.h (default_emit_except_table_label): Prototype.
13518 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13519 * config/darwin.c (darwin_emit_except_table_label): Define.
13520 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13522 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13524 PR tree-optimization/18527
13525 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13526 number_of_iterations_special, number_of_iterations_exit):
13527 Move base and step of an iv to a single structure. Add
13528 no_overflow flag, and use it in # of iterations analysis.
13529 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13530 folded_casts argument.
13531 (simple_iv): Pass base and step in a structure. Set no_overflow
13533 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13534 Evaluate expensiveness of computing # of iterations instead of
13535 the final expression.
13536 * tree-scalar-evolution.h (affine_iv): New structure.
13537 (simple_iv): Declaration changed.
13538 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13539 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13540 find_givs_in_stmt): Changed due to simple_iv change.
13542 2006-01-06 Jeff Law <law@redhat.com>
13545 * tree-cfg.c (bsi_replace): Rename final argument from
13546 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13547 change (stmt -> orig_stmt).
13548 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13549 (bsi_remove): Add new argument. Remove EH information
13551 (verify_eh_throw_table_statements): New function.
13552 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13554 * tree-optimize.c (execute_free_cfg_annotations): Verify
13555 the EH throw statement table after removing annotations.
13556 * except.h (verify_eh_throw_table_statements): Prototype.
13557 * tree-flow.h (bsi_remove): Update prototype.
13558 * tree-vrp.c (remove_range_assertions): Add new argument to
13560 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13561 * tree-complex.c (expand_complex_div_wide): Likewise.
13562 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13563 * tree-tailcall.c (eliminate_tailcall): Likewise.
13564 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13565 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13566 * tree-nrv.c (tree_nrv): Likewise.
13567 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13568 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13569 (combine_blocks): Likewise.
13570 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13571 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13572 (cleanup_control_flow): Likewise.
13573 (remove_forwarder_block): Likewise.
13574 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13575 * tree-sra.c (sra_replace): Likewise.
13576 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13577 (forward_propagate_single_use_vars): Likewise.
13578 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13579 * tree-inline.c (expand_call_inline): Likewise.
13580 * tree-vect-transform.c (vect_transform_loop): Likewise.
13581 * tree-outof-ssa.c (rewrite_trees): Likewise.
13582 * tree-cfg.c (make_goto_expr_edges): Likewise.
13583 (cleanup_dead_labels): Likewise.
13584 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13585 (bsi_move_before, bsi_move_after): Likewise.
13586 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13587 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13589 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13592 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13594 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13595 on non gimple variables. Also add checks at the top for decls and
13597 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13599 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13600 and IMAGPART_EXPR for creating MUST_DEFs.
13601 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13602 and NAME_MEMORY_TAG separately from the DECLs.
13604 2006-01-06 Richard Guenther <rguenther@suse.de>
13606 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13607 annotation, if necessary.
13608 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13609 redundant calls to update_stmt.
13610 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13613 2006-01-05 Richard Henderson <rth@redhat.com>
13615 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13617 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13619 * c-typeck.c: Update copyright date.
13621 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13623 * c-typeck.c (build_c_cast): Always warn when casting
13624 from a pointer to an integer of different size, even if
13625 the node was constant.
13627 2006-01-05 Richard Guenther <rguenther@suse.de>
13629 PR tree-optimization/22555
13630 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13631 if one structure field is an array.
13632 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13633 operands even if we found a subvar, but ignore VOPs in this
13635 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13637 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13639 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13641 PR middle-end/24998
13642 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13644 2006-01-05 Richard Guenther <rguenther@suse.de>
13645 Diego Novillo <dnovillo@redhat.com>
13647 * tree-pass.h (TODO_remove_unused_locals): Define.
13648 * gimple-low.c (expand_var_p, remove_useless_vars,
13649 pass_remove_useless_vars): Remove. Update all users.
13650 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13651 (remove_unused_locals): New function.
13652 * tree-flow.h (remove_unused_locals): Declare.
13653 * passes.c (execute_todo): Call remove_unused_locals if
13654 TODO_remove_unused_locals is set.
13655 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13656 * tree-ssa-dce.c (pass_dce): Likewise.
13657 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13659 2006-01-05 Richard Guenther <rguenther@suse.de>
13661 * tree-flow.h (struct fieldoff): Decompose field to
13662 type, size and decl.
13663 * tree-ssa-alias.c (create_sft): Take type as parameter.
13664 (create_overlap_variables_for): Store type, size and decl
13665 in the fieldoff structure.
13666 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13667 of struct fieldoff.
13668 (push_fields_onto_fieldstack): Likewise.
13669 (create_variable_info_for): Likewise. Use offset for the
13670 SFT name if the decl is not available.
13672 2006-01-04 Paul Brook <paul@codesourcery.com>
13674 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13676 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13678 * lambda-code.c (can_put_in_inner_loop): Relax
13680 (can_put_after_inner_loop): New function.
13681 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13682 (perfect_nestify): Change to make copies and modify uses.
13684 2006-01-04 Richard Henderson <rth@redhat.com>
13686 Merge from gomp branch:
13687 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13688 via integer constant.
13689 (pragma_lex): Remove.
13690 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13691 rather than parsing it.
13692 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13693 handle_pragma_extern_prefix): Add %< %> quotes.
13694 (registered_pragmas): New.
13695 (c_register_pragma_1): New.
13696 (c_register_pragma): Use it.
13697 (c_register_pragma_with_expansion): Likewise.
13698 (c_invoke_pragma_handler): New.
13699 (init_pragma): Use cpp_register_deferred_pragma directly for
13701 * c-pragma.h (enum pragma_kind): New.
13702 (pragma_handler): New.
13703 (c_invoke_pragma_handler): Declare.
13704 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13706 * c-common.h (c_common_pch_pragma): Update decl.
13707 * Makefile.in (c-parser.o): Update dependencies.
13708 (GTFILES): Add c-pragma.h.
13709 * c-parser.c (struct c_token): Add pragma_kind.
13710 (struct c_parser): Add in_pragma.
13711 (c_lex_one_token): Always initialize keyword and pragma_kind.
13712 Extract data for CPP_PRAGMA.
13713 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13714 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13715 Don't allow CPP_PRAGMA_EOL if in_pragma.
13716 (c_parser_consume_pragma): New.
13717 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13718 (c_parser_skip_to_end_of_parameter): Likewise.
13719 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13720 (c_parser_skip_to_pragma_eol): New.
13721 (c_parser_external_declaration): Handle CPP_PRAGMA.
13722 (c_parser_compound_statement_nostart): Likewise.
13723 (c_parser_statement_after_labels): Likewise.
13724 (c_parser_pragma): New.
13725 (pragma_lex): Likewise.
13726 (c_parser_pragma_pch_preprocess): New.
13727 (c_parser_new): Merge into ...
13728 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13730 2006-01-04 Jeff Law <law@redhat.com>
13733 * tree-cfg.c (bsi_replace): Remove the original statement
13734 from the EH throw statement table.
13736 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13738 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13739 make the prototype extern "C" and add throw ().
13742 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13743 and pos non-negative and pos + len <= 32.
13744 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13745 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13746 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13749 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13750 as well as sizes not multiple of component size.
13753 * function.c (instantiate_expr): New function.
13754 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13755 walk its DECL_VALUE_EXPR with instantiate_expr.
13757 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13758 DW_OP_deref{,_size} if address isn't going to be added.
13760 2006-01-04 Ben Elliston <bje@au.ibm.com>
13762 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13763 * config/fp-bit.c: Likewise.
13765 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13767 * dominance.c: Add comment about why we use DFS numbering
13770 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13771 Richard Henderson <rth@redhat.com>
13773 Merge from gomp-branch:
13774 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13775 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13777 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13779 PR rtl-optimization/25578
13780 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13781 pass a parameter to simplify_shift_const if changing ASHIFTRT
13784 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13786 * builtins.c (get_builtin_sync_mem): New function.
13787 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13788 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13789 Call get_builtin_sync_mem to generate mem rtx.
13791 2006-01-03 Richard Guenther <rguenther@suse.de>
13794 * stmt.c (add_case_node): Make sure to clear overflow flags
13797 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13799 Merge from gomp-branch.
13800 * config/sparc/sync.md: New file.
13801 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13802 UNSPECV_LDSTUB): New constants.
13803 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13804 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13805 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13808 2006-01-03 Roger Sayle <roger@eyesopen.com>
13810 * combine.c (reg_subword_p): New predicate to test whether the
13811 destination of a set refers to a subword/piece of a register.
13812 (try_combine): Generalize the code to merge the setting of a
13813 pseudo to a constant followed by a set of a subword of that
13814 register to a constant.
13816 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13818 * basic-block.h (control_flow_graph): Change the type of
13819 x_label_to_block_map to VEC(basic_block,gc) *.
13820 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13821 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13823 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13824 VEC(basic_block,heap) *.
13825 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13826 ssa_prop_fini): Adjust the uses of cfg_blocks.
13828 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13830 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13832 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13833 hashing trees instead of a pointer hash.
13834 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13835 compare for MEM_EXPR.
13837 PR rtl-optimization/25130
13838 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13839 when comparing MEMs for GCSE
13841 2006-01-03 Ben Elliston <bje@au.ibm.com>
13843 * targhooks.h (default_decimal_float_supported_p): Declare.
13844 * targhooks.c (default_decimal_float_supported_p): Define.
13845 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13846 `default_decimal_float_supported_p'.
13847 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13849 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13851 * combine.c (apply_distributive_law <SUBREG>): Check
13852 TRULY_NOOP_TRUNCATION.
13854 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13856 * dwarf2out.c (have_switched_text_section): Delete.
13857 (have_multiple_function_sections): New.
13858 (have_location_lists): Make 'bool'.
13859 (add_AT_loc_list): Use 'true' not '1'.
13860 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13861 (output_loc_list): Use have_multiple_function_sections.
13862 (output_ranges): Likewise.
13863 (dwarf2out_begin_function): Set have_multiple_function_sections if
13865 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13866 Check function_section rather than DECL_SECTION_NAME.
13867 (dwarf2out_finish): Use have_multiple_function_sections.
13868 Don't clear have_location_lists.
13870 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13871 Jan Hubicka <jh@suse.cz>
13873 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13874 case of conditional jump jumping to the next instruction.
13875 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13876 cases of conditional jump jumping to the next instruction.
13878 2006-01-02 Jan Hubicka <jh@suse.cz>
13880 * i386.c (*_cost): Add COSTS_N_INSNS.
13881 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13883 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13886 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13888 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13890 * config/arm/arm.c (all_fpus): Fix comment typo.
13891 * config/darwin.c: Likewise.
13892 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13893 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13894 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13896 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13898 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13899 (rs6000_split_compare_and_swapqhi): New.
13900 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13901 (sync_compare_and_swapqhi_internal): New.
13902 * config/rs6000/rs6000-protos.h: Declare.