1 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4 * omp-low.c (lower_omp_parallel): Convert t to
6 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
7 source before comparison.
10 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
11 to itype in assignment to oldival2.
13 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
17 * c-typeck.c (build_compound_expr): If the second expression
18 is an error mark, then just return an error mark instead of
19 creating a COMPOUND_EXPR.
21 2006-07-14 Mike Stump <mrs@apple.com>
23 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
25 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
27 * c-decl.c, var-tracking.c: Fix comment typos.
29 2006-08-14 Richard Sandiford <richard@codesourcery.com>
31 PR rtl-optimization/28634
32 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
33 for floating-point modes unless flag_unsafe_math_optimizations.
35 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
36 Andrew Pinski <pinskia@physics.uc.edu>
39 * tree.c (build_array_type): Unify array types with
40 unspecified index_type.
41 * c-decl.c (grokdeclarator): Make sure we do not modify a
42 unified incomplete array type.
43 * c-typeck.c (store_init_value): Create distinct type before
44 filling in the index type in an initializer from a compound
47 * c-decl.c (grokdeclarator): Remove code where we copy the
50 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
52 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
53 into account for TODO_dump_cgraph.
54 (TODO_update_ssa_no_phi): Likewise.
55 (TODO_update_ssa_full_phi): Likewise.
56 (TODO_update_ssa_only_virtuals): Likewise.
57 (TODO_remove_unused_locals): Likewise.
58 (TODO_set_props): Likewise.
59 (TODO_update_stmt_usage): Likewise.
61 2006-08-13 Dirk Mueller <dmueller@suse.de>
63 * c-common.c (strict_aliasing_warning): Fix formatting.
65 2006-08-13 Matthias Klose <doko@debian.org>
67 * doc/invoke.texi: Fix spelling errors.
69 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
71 PR rtl-optimization/23454
72 * reorg.c (relax_delay_slots): Update comment.
74 2006-08-11 Richard Guenther <rguenther@suse.de>
77 * simplify-rtx.c (simplify_const_relational_operation):
78 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
81 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
83 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
84 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
86 2006-08-10 Paul Brook <paul@codesourcery.com>
88 * final.c (final_scan_insn): Clear current_insn_predicate before
89 outputting inline asm.
91 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
93 PR tree-optimization/26197
94 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
95 get_ref_base_and_extent and overlap_subvar to add only relevant
96 subvars as may-aliases.
97 (add_may_alias_for_new_tag): New function, factored out of
99 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
100 with additional argument.
101 * tree-flow.h (new_type_alias): Takes additional argument.
103 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
105 * gcov.c (no_data_file): New flag.
106 (read_count_file): Set it if data file not present. Assume counts
108 (output_lines): Don't name the data file, if there wasn't one.
110 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
112 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
113 (rs6000_generate_compare): Tweak comments.
114 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
116 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
118 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
119 (var_debug_decl): New function.
120 (var_reg_set): Follow debug decl link. Add location even if
121 reg is already known to hold some other variable.
122 (var_mem_set): Follow debug decl link.
123 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
124 decl link. Delete other known locations of the variable part
126 (var_reg_delete, var_mem_delete): Delete other known locations
127 of the variable part if requested.
128 (same_variable_part_p): New function.
129 (add_stores): Select MO_COPY when appropriate.
130 (vt_initialize): Handle it.
131 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
132 known locations for MO_SET and MO_CLOBBER.
133 (find_variable_location_part): New function.
134 (set_variable_part, delete_variable_part): Use it.
135 (clobber_variable_part): New function.
136 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
139 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
141 PR tree-optimization/26969
142 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
143 with an empty list of PHIs.
145 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
149 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
152 2006-08-06 Andreas Schwab <schwab@suse.de>
154 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
155 string. Whitespace and comment fixup.
157 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
160 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
164 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
167 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
169 2006-08-04 Jan Hubicka <jh@suse.cz>
173 * reload.c (push_reload): Patch out the mismatching instruction;
175 (find_reload): Bail out if the instruction was patched out.
177 2006-08-04 Jan Hubicka <jh@suse.cz>
179 PR tree-optimization/24888
180 * tree-inline.c (expand_call_inline): Do not re-record variables.
181 (declare_inline_vars): Add variable to unexpanded_var_list.
183 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
184 Roger Sayle <roger@eyesopen.com>
186 PR rtl-optimization/26244
187 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
188 inner_const are negative or greater than or equal to the bitsize of
189 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
190 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
191 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
192 CONST0_RTX (mode) when the new shift count is greater than or equal to
193 to the bitsize of the object being shifted and XEXP (y, 0) has no side
196 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
198 * tree-cfg.c: Fix a comment typo.
200 2006-08-03 Mark Mitchell <mark@codesourcery.com>
203 * varasm.c (output_constant): Give the front end another chance to
204 expand constants, after stripping NOPs.
206 2006-08-03 Jan Hubicka <jh@suse.cz>
208 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
211 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
213 PR tree-optimization/27770
214 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
215 declaration removed (moved to tree-flow.h).
216 (vect_can_force_dr_alignment_p): Likewise.
217 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
218 (moved from tree-vectorizer.h).
219 (vect_can_force_dr_alignment_p): Likewise.
220 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
221 from outside the vectorizer - in particular from cgraph stage.
222 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
223 the alignment of global arrays when -fsection-anchors is enabled.
224 * cgraphunit.c (cgraph_increase_alignment): New function.
225 (cgraph_optimize): Call cgraph_increase_alignment.
227 2006-08-03 David Edelsohn <edelsohn@gnu.org>
230 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
231 not reload a SPE symbol_ref into a lo_sum address.
233 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
236 * dwarf2out.c (prune_unused_types_prune): Move call to
237 prune_unused_types_update_strings to cover the parent DIE also.
239 2006-08-02 Jan Hubicka <jh@suse.cz>
241 PR gcov/profile/28480
242 * tree-cfg.c (change_bb_for_stmt): New function.
243 (tree_merge_blocks, tree_split_blocks): Use it.
245 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
251 * toplev.c (compile_file): Return early on errorcount or sorrycount.
252 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
253 (cgraph_optimize): Likewise.
255 2006-08-01 Stuart Hastings <stuart@apple.com>
257 * rtl.h (UINTVAL) New.
258 * config/rs6000/rs6000.c (SMALL_INT) Use it.
259 * testsuite/gcc.dg/20060801-1.c: New.
261 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
264 * c-typeck.c (build_external_type): Mark used enum types.
265 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
267 (gen_subprogram_die): Whitespace fix.
269 2006-08-01 Jan Hubicka <jh@suse.cz>
271 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
272 bitmap when not needed.
273 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
276 2006-08-01 Dirk Mueller <dmueller@suse.de>
278 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
280 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
282 * Makefile.in: Revert part of previous patch:
283 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
286 2006-07-30 Eric Christopher <echristo@apple.com>
289 * doc/extend.texi (i386 Variable Attributes): Add anchor.
290 (PowerPC Variable Attributes): New section.
292 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
294 PR target/28126 (partial fix)
295 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
297 2006-07-28 Jan Hubicka <jh@suse.cz>
299 PR rtl-optimization/28071
300 * cfgrtl.c (rtl_delete_block): Free regsets.
301 * flow.c (allocate_bb_life_data): Re-use regsets if available.
303 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
305 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
306 and variables used in dependencies.
308 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
310 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
311 %fs for -mcmodel=kernel.
312 (stack_tls_protect_test_di): Likewise.
314 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
316 * Makefile.in: Use mkinstalldirs.
318 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
321 * opts-common.c (prune_options): Skip joined switches.
323 2006-07-27 Jan Hubicka <jh@suse.cz>
325 PR rtl-optimization/28071
326 * cselib.c (cselib_process_insn): Don't remove useless values too
327 often for very large hashtables.
329 2006-07-27 Jan Hubicka <jh@suse.cz>
331 PR rtl-optimization/28071
332 * global.c (greg_obstack): New obstack.
333 (allocate_bb_info): Use it.
334 (free_bb_info): Likewise.
335 (modify_reg_pav): Likewise.
337 2006-07-27 Roger Sayle <roger@eyesopen.com>
339 * builtins.c (fold_fixed_mathfn): When long and long long are the
340 same size, canonicalize llceil*, llfloor*, llround* and llrint*
341 functions to their lceil*, lfloor*, lround* and lrint* forms.
343 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
346 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
348 (rev_branch_insn): Likewise.
350 2006-07-27 Jan Hubicka <jh@suse.cz>
352 PR rtl-optimization/28071
353 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
354 (reg_set_in_bb, max_reg_computed): New static variables.
355 (regmove_optimize): Free the new array.
356 (fixup_match_1): Update call of reg_is_remote_constant_p.
358 2006-07-26 Jan Hubicka <jh@suse.cz>
360 PR tree-optimization/27882
361 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
363 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
365 (cgraph_analyze_compilation_unit): Likewise.
366 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
367 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
368 (cgraph_early_inlinine): Make order garbage collected.
369 * Makefile.in (gt-ipa-inline): New garbagecollected file.
371 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
373 * dbxout.c (output_types_sort): Add a comment.
374 (output_used_types): Free the VEC.
376 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
378 * function.c (reorder_fix_fragments): Delete.
379 (reorder_blocks): Don't call it.
380 (reorder_blocks_1): Put all subblocks under the origin block.
382 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
384 PR rtl-optimization/27907
385 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
388 2006-07-25 Roger Sayle <roger@eyesopen.com>
391 * convert.c (convert_to_integer): When transforming (T)foo(x) into
392 bar(x) check that bar's result type can represent all the values of T.
394 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
396 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
398 2006-07-25 Nick Clifton <nickc@redhat.com>
400 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
402 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
403 (ggc_pch_count_object): Likewise.
404 (ggc_pch_alloc_object): Likewise.
405 (ggc_pch_write_object): Likewise.
406 (init_ggc): Do not attempt to initialize entries in the
407 size_lookup[] array for objects whose size is greater than than
408 the length of the array.
410 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
412 * dbxout.c (output_used_types_helper): Push queued types
414 (output_types_sort): New.
415 (output_used_types): Collect used types on a VEC and sort them
418 2006-07-24 Richard Guenther <rguenther@suse.de>
421 * cgraph.c (cgraph_remove_node): Do not check if dumps
423 * cgraphunit.c (cgraph_optimize): Likewise.
425 2006-07-24 Jan Hubicka <jh@suse.cz>
427 PR rtl-optimization/28071
428 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
429 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
430 splitting before first stmt.
432 2006-07-24 Jan Hubicka <jh@suse.cz>
434 PR rtl-optimization/28071
435 * ipa-inline.c (update_caller_keys): Remove edges that
436 are no longer inline candidates.
438 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
441 * dbxout.c (output_used_types_helper, output_used_types): New.
442 (dbxout_symbol): Call output_used_types.
444 2006-07-23 Jan Hubicka <jh@suse.cz>
448 * cgraph.c (cgraph_varpool_nodes): Export.
449 (decide_is_variable_needed): Ignored "used" attribute in
451 * cgraph.h (cgraph_varpool_nodes): Declare.
452 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
455 2006-07-23 Roger Sayle <roger@eyesopen.com>
458 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
459 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
460 the __gthrw form of thr_keycreate.
461 (__gthread_key_delete): Silence the unused argument warning.
463 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
466 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
467 Cache the last found '\0' marker to avoid quadratic behavior.
469 2006-07-23 Jan Hubicka <jh@suse.cz>
471 * i386.md (subsi_3_zext): Fix output template.
473 2006-07-21 Mike Stump <mrs@apple.com>
475 * doc/invoke.texi (C++ Dialect Options): Note that
476 -fvisibility-inlines-hidden doesn't affect explicitly
477 instantiationed inline methods.
479 2006-07-20 Roger Sayle <roger@eyesopen.com>
481 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
482 if the target assembler is GNU binutils' gas.
483 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
484 whether to pass GNU gas or native as command line options.
486 2006-07-20 Jason Merrill <jason@redhat.com>
488 * tree.c (remove_attribute): New fn.
489 * tree.h: Declare it.
491 2006-07-20 Paul Brook <paul@codesourcery.com>
494 * cse.c (cse_insn): Add destination addresses to hash table. Check if
495 they are invalidated by this instruction.
497 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
500 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
502 2006-07-20 Eric Christopher <echristo@apple.com>
505 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
507 2006-07-19 Eric Christopher <echristo@apple.com>
509 * config/t-slibgcc-darwin (stmp-lipo): Remove.
510 Rewrite dependencies for libgcc_s.1.dylib.
512 2006-07-19 Jakub Jelinek <jakub@redhat.com>
514 * except.c (duplicate_eh_regions_1): Clear next_peer.
516 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
518 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
519 -mlongcall does not guarantee all calls will be long.
520 * doc/extend.texi (long_call/short_call): Document that longcall
521 does not guarantee a long call will be used.
522 (longcall/shortcall): Likewise.
524 2006-07-18 Roger Sayle <roger@eyesopen.com>
527 * expmed.c (expand_shift): Additionally check that the shift_cost
528 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
529 before implementing a LSHIFT_EXPR as a sequence of additions.
530 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
531 middle-end that DImode shifts need to be synthesized by expand.
533 2006-07-18 Diego Novillo <dnovillo@redhat.com>
536 * tree-ssa-operands.c (access_can_touch_variable): Update
538 Return true if ALIAS is .GLOBAL_VAR.
540 2006-07-18 David Daney <ddaney@avtrex.com>
542 * gcc.c (display_help): Fix typo in help text.
544 2006-07-18 Olivier Hainque <hainque@adacore.com>
546 * tree.h (categorize_ctor_elements): Adjust prototype and add
547 descriptive comment, both in accordance with the interface change
549 * varasm.c (constructor_static_from_elts_p): New function.
550 Whether a constructor node is a valid static constant initializer
551 if all its elements are.
552 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
553 * output.h: Declare it.
554 * expr.c (categorize_ctor_elements_1): Return whether the constructor
555 is a valid constant initializer instead of computing the number of
556 non-constant elements. Use constructor_static_from_elts_p for this
557 purpose. Replace the head comment with an indication that this is a
558 helper for categorize_ctor_elements.
559 (categorize_ctor_elements): Same interface change as for the _1
560 helper. Former head comment from this helper moved here, adjusted to
561 account for the interface changes.
562 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
563 (all_zeros_p): Likewise.
564 * gimplify.c (gimplify_init_constructor): Decide whether we can make
565 static versions of the constructor from the categorize_ctor_elements
566 return value instead of the formerly computed number of non-constant
569 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
571 * configure: Regenerate.
572 * Makefile.in (build_libsubdir): New configure substitution
573 (build_libobjdir): New variable.
574 (BUILD_LIBIBERTY): Use it.
576 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
579 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
581 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
584 * c-common.c (handle_weakref_attribute): Ignore attribute in
585 the same conditions the alias attribute is ignored.
587 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
589 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
590 (dbxout_begin_prologue): Increment scope_labelno.
592 2006-07-17 Richard Henderson <rth@redhat.com>
595 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
598 2006-07-17 Roger Sayle <roger@eyesopen.com>
599 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
601 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
602 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
603 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
604 functions such as sbrk, write, etc.. Add function prototypes.
605 Convert function declarations from K&R to ISO C. Cast pointers
606 to "long" and "unsigned long" instead of "int" and "unsigned int".
607 Convert tokens following #endif into comments.
609 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
611 * invoke.texi: Remove mention of f77; Reformat table for
612 inline parameter options correctly; mention that -malign-double
613 is default on x86-64 targets.
615 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
617 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
618 (convert_affine_scev, chrec_convert_aggressive): Use
619 avoid_arithmetics_in_type_p. Do not check for the subtypes
622 2006-07-17 Richard Sandiford <richard@codesourcery.com>
625 * optabs.c (expand_doubleword_shift): Wrap the call to
626 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
628 2006-07-17 Richard Sandiford <richard@codesourcery.com>
631 * optabs.c (expand_binop): Pass next_methods rather than methods
632 to expand_doubleword_shift.
634 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
637 * tree.h (dump_addr): Declare.
638 * print-tree.c (dump_addr): New function.
639 (print_node_brief, print_node): Use it.
640 * print-rtl.c (print_rtx): Likewise.
641 * common.opt (-fdump-noaddr): New option.
642 * doc/invoke.texi (-fdump-noaddr): Document.
643 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
644 (ve_info_hash): Likewise.
646 2006-07-13 Andrew Haley <aph@redhat.com>
648 PR tree-optimization/19505
649 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
650 edge leaving this block, make sure that the destination of this
651 block has only one predecessor.
653 2006-07-17 Richard Guenther <rguenther@suse.de>
655 PR tree-optimization/28238
656 * tree-inline.c (copy_bb): Check if we produced valid
657 gimple copying and substituting a stmt. If not, gimplify
660 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
662 * optabs.c (maybe_encapsulate_block): New function extracted from...
663 (emit_libcall_block): ...here. Invoke it on the block of insns to
664 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
665 (emit_no_conflict_block): Likewise.
667 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
669 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
671 2006-07-15 Roger Sayle <roger@eyesopen.com>
673 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
674 a new NOP_EXPR case of the switch statement.
676 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
679 * stor-layout.c (place_field): Take the bit field with
680 an excessive size into account in the ms-bitfiled case.
683 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
684 the previous bit field.
686 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
689 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
691 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
693 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
694 signal frames correctly even when the signal was installed with
697 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
699 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
700 (dbxout_function_end): Use local label LFBB. Remove hook
702 (dbxout_source_line): Use local label LFBB.
703 (dbxout_block): Likewise.
704 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
705 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
706 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
709 2006-07-13 Janis Johnson <janis187@us.ibm.com>
711 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
713 2006-07-13 Jan Hubicka <jh@suse.cz>
715 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
717 * output.h (align_variable): Declare.
718 * varasm.c (align_variable): Export.
719 * value-prof.c (tree_value_profile_transformations): Recompute iterator
720 when basic block changed.
722 2006-07-13 Nick Clifton <nickc@redhat.com>
724 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
725 walking the LOG_LINKS chain.
727 2006-07-12 Geoffrey Keating <geoffk@apple.com>
729 * doc/invoke.texi (C++ Dialect Options): Explain difference
730 between -fvisibility-inlines-hidden and setting hidden
731 visibility explicitly.
733 2006-07-12 Eric Christopher <echristo@apple.com>
735 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
736 (stmp-lipo): Depend on libgcc.a.
738 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
740 * tree.c: Fix a comment typo.
742 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
744 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
746 (umulhisi3_r): Likewise.
748 2006-07-12 Paolo Carlini <pcarlini@suse.de>
751 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
752 x < 19, vs wchar_t support.
754 2006-07-12 Nick Clifton <nickc@redhat.com>
756 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
759 2006-07-12 Mike Stump <mrs@apple.com>
761 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
763 2006-07-10 Eric Christopher <echristo@apple.com>
765 * config/t-slibgcc-darwin: Rewrite.
767 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
770 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
773 2006-07-08 Matthias Klose <doko@debian.org>
775 * doc/sourcebuild.texi: Fix typo.
777 2006-07-07 Mike Stump <mrs@apple.com>
779 * toplev.c (process_options): Don't give -ffunction-sections may
780 affect debugging warning for Mach-O.
782 2006-07-07 James E Wilson <wilson@specifix.com>
784 * config/mips/mips.md (cpu): Add sb1a.
785 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
786 addition to sb1. Adjust comments to clarify SB-1A differences from
788 (ir_sb1a_load): New. Modify bypasses to use it.
789 (ir_sb1a_simple_alu): Likewise.
790 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
791 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
792 (mips_issue_rate): Add PROCESSOR_SB1A.
793 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
794 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
795 (TARGET_SB1): Add PROCESSOR_SB1A check.
796 (TUNE_SB1): Likewise.
798 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
799 * config/mips/mips.c (mips_store_data_bypass_p): New.
800 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
803 2006-07-08 Paul Brook <paul@codesourcery.com>
806 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
808 2006-07-07 Richard Guenther <rguenther@suse.de>
811 * tree.h (build_one_cst): Declare.
812 * tree.c (build_one_cst): New function.
813 * tree-ssa-math-opts.c (get_constant_one): Remove.
814 (insert_reciprocals): Use build_one_cst.
815 * fold-const.c (fold_plusminus_mult): Likewise.
817 2006-07-07 Roger Sayle <roger@eyesopen.com>
819 * pointer-set.c (pointer_set_destroy): Correct whitespace.
820 * cfgloopanal.c (dump_graph): Likewise.
821 * dojump.c (discard_pending_stack_adjust): Likewise.
822 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
824 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
825 * function.c (finalize_block_changes): Likewise.
826 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
827 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
828 * rtl.c (dump_rtx_statistics): Likewise.
829 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
831 * varray.c (dump_varray_statistics): Likewise.
832 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
833 decode_decimal64, encode_decimal128, decode_decimal128,
834 decimal_real_to_decimal): Likewise.
836 2006-07-07 Richard Guenther <rguenther@suse.de>
838 PR tree-optimization/28187
839 * tree-vrp.c (vrp_operand_equal_p): New function.
840 (vrp_bitmap_equal_p): Likewise.
841 (update_value_range): Use them to compare old and new
844 2006-07-06 Roger Sayle <roger@eyesopen.com>
846 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
847 a default case to switch statement to silence compiler warnings.
849 2006-07-06 Roger Sayle <roger@eyesopen.com>
852 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
853 the configured assembler supports the x87's ffreep mnemonic.
854 * configure: Regenerate.
855 * config.in: Regenerate.
857 * config/i386/i386.c (output_387_ffreep): New function.
858 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
859 (output_387_reg_move): Likewise.
861 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
863 Port to hosts whose 'sort' and 'tail' implementations
864 treat operands with leading '+' as file names, as POSIX
865 has required since 2001. However, make sure the code still
866 works on pre-POSIX hosts.
867 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
868 which says you should use "tail -c +N" rather than "tail +Nc".
869 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
871 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
873 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
876 2006-07-06 David Edelsohn <edelsohn@gnu.org>
879 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
880 PRE_{INC,DEC} of TFmode.
882 2006-07-06 David Edelsohn <edelsohn@gnu.org>
883 Alan Modra <amodra@bigpond.net.au>
886 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
889 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
892 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
893 Remove duplicate gtu.
895 2006-07-05 Jason Merrill <jason@redhat.com>
899 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
900 * c-common.c (handle_packed_attribute): So don't copy it here.
901 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
903 2006-07-05 Mike Stump <mrs@apple.com>
905 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
907 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
910 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
912 2006-07-05 Richard Guenther <rguenther@suse.de>
915 * config/i386/i386.md (*negdf2_1): Restrict pattern to
916 TARGET_SSE2 targets if using SSE math.
917 (*absdf2_1): Likewise.
919 2006-07-05 Richard Guenther <rguenther@suse.de>
921 PR tree-optimization/28162
922 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
923 make sure to convert the operands to the correct type.
925 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
927 PR tree-optimization/28218
929 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
930 to calculate and free the dominator information.
932 2006-07-04 Peter O'Gorman <peter@pogma.com>
934 * mklibgcc.in: chmod 644 before ranlib during install.
936 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
937 J"orn Rennecke <joern.rennecke@st.com>
939 * configure.ac (.eh_frame data check): Use diff -b.
941 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
944 * Makefile.in (BUILD_RTL): Add build/vec.o.
945 (build/gencondmd.o): Filter out -fkeep-inline-functions.
946 (build/genextract): Delete.
947 (build/genautomata): Likewise.
949 2006-07-04 Alan Modra <amodra@bigpond.net.au>
952 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
953 128-bit IBM long doubles for ABI_V4.
955 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
957 * tree.c (range_in_array_bounds_p): New predicate.
958 * tree.h (range_in_array_bounds_p): Declare it.
959 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
960 return a less conservative answer.
961 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
963 (IS_ELEMENT_FOR_GROUP): New macro.
964 (FOR_EACH_ACTUAL_CHILD): Likewise.
965 (next_child_for_group): New helper function.
966 (can_completely_scalarize_p): Take into account groups.
967 (sra_hash_tree): Handle RANGE_EXPR.
968 (sra_elt_eq): Likewise.
969 (lookup_element): Be prepared for handling groups.
970 (is_valid_const_index): Delete.
971 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
972 instead of is_valid_const_index.
973 <ARRAY_RANGE_REF>: New case.
974 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
975 is_valid_const_index.
976 <ARRAY_RANGE_REF>: Do not unconditionally punt.
977 (scan_dump): Dump info for groups too.
978 (decide_instantiation_1): Likewise.
979 (decide_block_copy): Assert that the element is not a group.
980 Propagate decision to groups.
981 (generate_one_element_ref): Handle RANGE_EXPR.
982 (mark_no_warning): Iterate over actual childs.
983 (generate_copy_inout): Likewise.
984 (generate_element_copy): Likewise.
985 (generate_element_zero): Likewise.
986 (generate_element_init_1): Likewise.
987 (dump_sra_elt_name): Handle RANGE_EXPR.
989 2006-07-03 Roger Sayle <roger@eyesopen.com>
991 PR tree-optimization/26251
992 * tree-ssa-threadupdate.c (redirection_block_p): New function.
993 (thread_block): When optimizing for size refuse to thread jumps
994 that would require duplication of blocks other than redirection
997 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
999 * configure.ac: Fix thinko in previous check-in.
1000 * configure: Regenerate.
1002 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1005 * configure.ac (for lang...): Simplify nesting of conditionals.
1006 Test subdir_requires for non-enabled languages. Move processing
1007 of lang_opt_files and lang_tree_fiels below that test.
1008 * configure: Regenerate.
1009 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1011 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1013 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1015 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1017 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1020 2006-06-29 Jason Merrill <jason@redhat.com>
1027 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1028 * c-common.c (c_determine_visibility): Handle it here.
1029 * c-decl.c (finish_decl): Call c_determine_visibility for
1031 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1033 * varasm.c (default_assemble_visibility): Likewise.
1034 * c-common.c (handle_visibility_attribute): Complain about trying
1035 to give visibility to an already defined class, or trying to change
1036 declared visibility. Always attach the attribute.
1041 * attribs.c (decl_attributes): Ignore type-in-place attributes
1042 once the type has been defined.
1044 2006-06-29 Roger Sayle <roger@eyesopen.com>
1047 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1048 to indicate the cpplib has issued an error message for us.
1050 2006-06-29 Asher Langton <langton2@llnl.gov>
1053 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1054 insert a label at the end of an function under Mach-O.
1056 2006-06-29 Eric Christopher <echristo@apple.com>
1057 Evan Cheng <evan.cheng@apple.com>
1059 * predicates.md (vector_all_ones_operand): New.
1060 (nonimmediate_or_sse_const_operand): Ditto.
1061 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1062 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1063 (standard_sse_mode_p): Ditto.
1064 (standard_sse_constant_p): Add case for -1 vector.
1065 (ix86_expand_vector_move): Try to use.
1066 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1067 Call standard_sse_constant_opcode.
1068 (*movv4sf_internal): Ditto.
1069 (*movv2df_internal): Ditto.
1071 2006-06-29 Roger Sayle <roger@eyesopen.com>
1073 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1074 of XEXP to extract the operands of a MATCH_CODE rtx.
1076 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1078 * tree.c (tree_size): Do not waste tail padding in
1079 struct tree_string and make the size be the same as
1080 build_string will generate.
1082 2006-06-28 Jason Merrill <jason@redhat.com>
1085 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1086 may_aliases already in the tag's annotations to the bitmap.
1088 2006-06-28 Roger Sayle <roger@eyesopen.com>
1090 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1092 2006-06-28 Roger Sayle <roger@eyesopen.com>
1094 * genpreds.c (generate_switch_p): New function.
1095 (add_mode_tests): Push the new mode test down inside an AND expr
1096 if this allows the switch-suitable MATCH_CODE to be near the root.
1097 (write_match_code_switch): New function to write a MATCH_CODE as
1099 (write_predicate_stmts): New function to write a predicate RTX
1100 expression as a sequence of statements.
1101 (write_one_predicate_function): Use write_predicate_stmts.
1102 (write_tm_constrs_h): Likewise.
1104 2006-06-26 Fred Fish <fnf@specifix.com>
1106 * config/mips/t-sb1: New file.
1107 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1110 2006-06-26 DJ Delorie <dj@redhat.com>
1112 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1114 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1115 Jayant Sonar <jayants@kpitcummins.com>
1116 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1118 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1119 (subsi3, subsi3_1, subsi3_2): New.
1120 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1121 * config/m32c/mov.md (SI mov peephole): New.
1122 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1123 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1125 2006-06-26 Olivier Hainque <hainque@adacore.com>
1127 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1128 a CALL_EXPR target function declaration.
1130 2006-06-26 Richard Guenther <rguenther@suse.de>
1132 * tree.c (build_string): Do not waste tail padding in
1135 2006-06-26 Richard Guenther <rguenther@suse.de>
1137 * ggc-page.c (init_ggc): Add missing element to size_lookup
1141 2006-06-23 Richard Guenther <rguenther@suse.de>
1143 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1144 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1145 alignment requests instead. Add verification code.
1146 Add struct tree_function_decl and struct tree_binfo size to
1147 extra_order_size_table. Add missing element to size_lookup
1150 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1153 * fold-const.c (const_binop): Be prepared for self returning zero.
1154 Simplify code handling complex values.
1156 2006-06-24 Olivier Hainque <hainque@adacore.com>
1158 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1159 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1162 2006-06-24 Olivier Hainque <hainque@adacore.com>
1164 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1165 ARRAY_REF, so have the callback called for the low bound expression.
1167 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1169 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1170 * c-typeck.c (c_common_type): Disallow operations on decimal float
1171 types and other float types.
1172 * convert.c (convert_to_real): Don't ignore conversions involving
1173 decimal float types.
1175 2006-06-23 Olivier Hainque <hainque@adacore.com>
1177 * tree.c (max_int_size_in_bytes): New function, inspired from
1178 code in function.c:assign_temp.
1179 * tree.h (max_int_size_in_bytes): Declare.
1180 * function.c (assign_temp): Use it.
1181 * gimplify.c (create_tmp_var): Relax the assertions on the type
1182 properties, not mandating constant size any more.
1183 (force_constant_size): New static function.
1184 (gimple_add_tmp_var): Use it, forcing variable size to a
1185 constant upper bound if it is not constant on entry.
1187 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1190 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1191 for initialization and setting of one_only flag to ...
1192 (i386_pe_encode_section_info): ...here.
1193 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1194 Recheck that the symbol has not been defined.
1196 2006-06-23 Richard Guenther <rguenther@suse.de>
1198 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1199 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1200 alignment requests instead. Add verification code.
1201 Add struct tree_function_decl and struct tree_binfo size to
1202 extra_order_size_table. Add missing element to size_lookup
1205 2006-06-22 Roger Sayle <roger@eyesopen.com>
1206 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1209 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1210 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1212 2006-06-23 Ben Elliston <bje@au.ibm.com>
1214 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1215 negate dn -- manipulate it directly.
1217 2006-06-22 Roger Sayle <roger@eyesopen.com>
1218 Steven Bosscher <stevenb.gcc@gmail.com>
1221 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1222 generated by gen_move_insn to add REG_LABEL notes if necessary.
1224 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1226 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1227 (leaf_entry): Remove use of MIN_ESA.
1229 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1231 PR rtl-optimization/28121
1232 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1235 2006-06-21 DJ Delorie <dj@redhat.com>
1237 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1239 (mulhisi3_r): Likewise.
1241 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1244 * coverage.c (coverage_counter_alloc): Leave the index type
1246 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1249 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1251 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1252 section from the "Options for Code Generation Conventions".
1254 2006-06-21 Richard Henderson <rth@redhat.com>
1258 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1260 (global_symbolic_operand): Allow weak symbols, even if local_p.
1262 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1264 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1265 (find_interesting_uses_address): Punt if above function returns true.
1267 2006-06-21 Richard Guenther <rguenther@suse.de>
1269 * configure: Regenerated.
1271 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1273 * config/mips/mips.c (function_arg): Where one part of a
1274 complex argument is in registers and the other part in the stack,
1275 return a REG not a PARALLEL.
1277 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1279 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1280 when cross-compiling. Do not substitute libstdcxx_incdir.
1281 * configure: Regenerated.
1283 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1285 * varasm.c (mergeable_string_section): Check for embedded NULs and
1286 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1287 rather than TREE_STRING_LENGTH bytes.
1289 2006-06-21 Richard Guenther <rguenther@suse.de>
1291 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1292 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1295 2006-06-21 Richrad Guenther <rguenther@suse.de>
1297 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1298 Limit iteration over the dominators.
1300 2006-06-20 Roger Sayle <roger@eyesopen.com>
1302 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1303 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1305 2006-06-20 Richard Guenther <rguenther@suse.de>
1306 Michael Matz <matz@suse.de>
1308 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1310 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1311 * et-forest.h (et_free_pools): Prototype new function.
1312 * et-forest.c (et_free_tree_force): Free parent occurrence.
1313 (et_free_pools): New function.
1314 * dominance.c (free_dominance_info): Free et-forest alloc
1317 2006-06-20 Roger Sayle <roger@eyesopen.com>
1319 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1320 integer modes, attempt to directly construct an integer constant.
1322 * fold-const.c (native_encode_vector): Determine the size of each
1323 element from the vector type instead of the first vector element.
1325 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1326 if all of its elements/components are constant.
1327 (build_constructor_from_list): Likewise.
1329 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1331 PR tree-optimization/27331
1332 * tree-data-ref.c (free_data_ref): New function.
1333 (create_data_ref): Fail if the data reference has unknown access
1335 (free_data_refs): Use free_data_ref.
1337 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1340 * tree-inline.c (setup_one_parameter): Strip useless
1341 type conversion before adding it to the IR.
1342 (declare_return_variable): Likewise.
1344 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1347 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1349 2006-06-19 Mike Stump <mrs@apple.com>
1351 * tree.c (variably_modified_type_p): VM arguments don't make the
1354 2006-06-19 Richard Guenther <rguenther@suse.de>
1356 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1357 type conversions after folding.
1359 2006-06-19 Richard Guenther <rguenther@suse.de>
1361 * ggc-page.c (extra_order_size_tab): Add entries with
1362 size of struct function and basic_block.
1363 (size_lookup): Extend to cover sizes up to 511.
1364 (ggc_alloc_stat): Adjust user.
1365 (ggc_pch_count_object): Likewise.
1366 (ggc_pch_alloc_object): Likewise.
1367 (ggc_pch_write_object): Likewise.
1369 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1371 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1372 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1375 2006-06-19 Denis Chertykov <denisc@overta.ru>
1377 * config/avr/libgcc.S : Correct my wrong previous commit.
1379 2006-06-19 Roger Sayle <roger@eyesopen.com>
1382 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1383 have stripped a SUBREG from the shift count, so we may need to
1384 convert_to_mode back to the type's mode before calling make_tree.
1385 Use new_amount instead of amount to avoid expanding a tree twice.
1387 2006-06-19 Richard Guenther <rguenther@suse.de>
1390 * fold-const.c (operand_equal_p): Check if the argument types
1391 have the same precision before stripping NOPs.
1393 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1395 Fix PR tree-optimization/27341
1396 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1398 * tree-complex.c (pass_lower_complex): Update SMT usage.
1400 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1402 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1403 Add a new alternative to the constraint strings. Add move of
1404 operand 1 to 3 to the splitter definition.
1405 ("doloop_si_long"): Second contraint alternative removed.
1407 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1409 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1410 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1412 (AVR_HAVE_MOVW) Define.
1413 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1414 (ASM_SPEC): Add avr25.
1415 (LINK_SPEC): Add avr25.
1416 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1417 (base_arch_s): Add new member 'have_movw_lpmx'.
1418 (avr_arch_types): Init 'have_movw_lpmx'.
1419 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1420 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1421 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1422 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1423 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1425 (avr_file_start): Do not output '.arh' derective.
1426 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1427 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1428 * config/avr/avr.md (mcu_enhanced): Delete.
1429 (mcu_have_movw): Define.
1430 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1431 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1432 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1433 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1434 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1435 attiny861 and at86rf401 devices.
1437 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1439 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1442 2006-06-17 Karl Berry <karl@gnu.org>
1444 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1445 doc/gccint.texi, doc/install.texi (@dircategory): Use
1446 "Software development" instead of "Programming", following
1447 the Free Software Directory.
1449 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1451 * config/i386/i386.c (legitimate_tls_address)
1452 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1453 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1454 (*tls_dynamic_gnu2_combine_64): Likewise.
1456 2006-06-16 Richard Guenther <rguenther@suse.de>
1459 * fold-const.c (negate_expr_p): Do not introduce undefined
1460 overflow in negating INTEGER_CSTs.
1461 (fold_negate_expr): Rename from negate_expr. Revert last
1462 change for folding BIT_NOT_EXPR. Change semantics to
1463 return NULL_TREE for non-simplified negations. Do not
1464 strip type conversions and unify type handling.
1465 (negate_expr): New function, wrap around fold_negate_expr
1466 but ensure building a tree always. Strip type conversions
1467 here, fold to result type.
1468 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1470 2006-06-16 Roger Sayle <roger@eyesopen.com>
1473 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1474 that (would) return their results in stack registers.
1476 2006-06-16 Michael Matz <matz@suse.de>
1477 Richard Guenther <rguenther@suse.de>
1479 * fold-const.c (fold_truthop): Only return new tree node if
1480 we canonicalized something.
1482 2006-06-16 Richard Guenther <rguenther@suse.de>
1484 * function.h (enum function_frequency): Move declaration
1485 out of struct function.
1486 (struct function): Move bool fields and the enum to the bitfield
1487 section. Reorder elements to avoid padding. Remove unused
1488 fields left over from the RTL inliner removal.
1489 * function.c (free_after_compilation): Do not zero removed fields.
1490 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1491 (ipa-type-escape.o): Likewise.
1493 2006-06-16 Richard Guenther <rguenther@suse.de>
1495 * cgraph.h (struct cgraph_local_info): Turn bool elements
1497 (struct cgraph_node): Likewise.
1498 (struct cgraph_varpool_node): Likewise.
1500 2006-06-15 Richard Guenther <rguenther@suse.de>
1502 * fold-const.c (fold_truth_not_expr): Rename from
1503 invert_truthvalue. Give it fold_* semantics to avoid
1505 (invert_truthvalue): New function. Wrapper around
1506 fold_truth_not_expr.
1507 (optimize_minmax_comparison): Avoid creating garbage.
1508 (fold_unary): Use fold_truth_not_expr for folding
1510 (fold_ternary): Replace uses of invert_truthvalue with
1511 fold_truth_not_expr where applicable.
1512 * tree.h (fold_truth_not_expr): Prototype.
1514 2006-06-16 Richard Guenther <rguenther@suse.de>
1516 PR tree-optimization/27781
1517 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1518 * ipa-pure-const.c (target.h): Include.
1519 (analyze_function): Do not analyze functions that do not
1522 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1525 * tree-dfa.c (referenced_vars_dup_list): Remove.
1526 (find_referenced_vars): Remove assert.
1527 (referenced_var_check_and_insert): Replace dup list with assert.
1528 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1529 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1531 2006-06-15 Richard Guenther <rguenther@suse.de>
1533 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1534 extra unused identifiers if not dumping.
1535 (create_variable_info_for): Likewise.
1537 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1539 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1540 (derive_constant_upper_bound): Derive more precise upper bound in
1541 common cases. Return type changed to double_int.
1542 (record_estimate): Reflect the changed return type of
1543 derive_constant_upper_bound.
1544 * double-int.c (double_int_zext, double_int_sext): Fix.
1546 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1548 * configure.ac (CFLAGS): Get them from the toplevel or from the
1549 configure invocation.
1550 * configure: Regenerate.
1551 * Makefile.in (CFLAGS): Substitute value provided by configure.
1553 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1556 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1557 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1558 rather than calling add_stmt on it.
1559 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1561 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1564 * reload1.c (reload): Remove registers returned by update_eliminables
1565 from used_spill_regs.
1567 2006-06-13 DJ Delorie <dj@redhat.com>
1569 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1571 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1573 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1574 html__strip_dir, html__mkdir_p. Enhance install-html target.
1575 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1576 * configure: Regenerate.
1578 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1580 * fold-const.c (fold_cond_expr_with_comparison): Check for
1581 Objective-C++ as language in deciding COND_EXPR transformation.
1583 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1586 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1587 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1588 * config/sh/lib1funcs.h (SL, SL1): Define.
1589 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1590 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1591 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1592 (OBJS_Os_4_200): New variable.
1593 ($(T)libgcc-Os-4-200.a): Use it.
1594 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1595 when dividing 1 and/or by 0.
1597 2006-06-13 Roger Sayle <roger@eyesopen.com>
1599 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1600 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1601 * configure: Regenerate.
1603 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1605 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1606 for real instruction.
1608 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1611 * haifa-sched.c (check_cfg): Handle special case.
1613 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1616 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1617 Add debug_info parameter. Chain the vars to the BLOCK instead
1618 of the BIND_EXPR if debug info are requested for them.
1619 (pop_gimplify_context): Adjust for above change.
1620 (gimple_add_tmp_var): Likewise.
1621 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1623 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1624 (convert_local_reference): Likewise.
1625 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1626 (finalize_nesting_tree_1): Request that debug info be emitted
1627 for debug_var_chain.
1629 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1631 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1632 for PR target/27863.
1634 2006-06-13 Richard Guenther <rguenther@suse.de>
1637 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1639 2006-06-13 Richard Guenther <rguenther@suse.de>
1641 PR tree-optimization/27830
1642 * tree-inline.c (copy_body_r): For copying the operand
1643 of an ADDR_EXPR make sure to fold &* afterwards.
1645 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1647 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1648 lvalues in the fb_none case with side-effects.
1650 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1652 * tree-flow.h: Remove the prototype for
1653 compute_phi_arg_on_exit.
1654 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1655 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1658 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1660 * builtins.c (expand_builtin_return_addr): Only use
1661 frame_pointer_rtx when count == 0 and we are expanding
1662 __builtin_return_address.
1664 2006-06-12 Fred Fish <fnf@specifix.com>
1666 * config/mips/mips.c (mips_file_start): Create special section
1667 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1669 2006-06-11 Eric Christopher <echristo@apple.com>
1672 * stor-layout.c (place_field): Remove check for
1673 remaining_in_alignment when aligning at the end of a run.
1675 2006-06-11 Eric Christopher <echristo@apple.com>
1678 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1681 2006-06-11 Roger Sayle <roger@eyesopen.com>
1684 Revert incorrect fix for PR target/27158
1685 2006-05-08 Roger Sayle <roger@eyesopen.com>
1686 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1687 of a reg_equiv_constant if the result is a legitimate constant.
1689 2006-06-11 Roger Sayle <roger@eyesopen.com>
1692 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1693 extract a CONST_VECTOR element and interpret it as an integer.
1694 (vspltis_constant): Use const_vector_elt_as_int instead of the
1695 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1696 * config/rs6000/predicates.md (easy_vector_const): Consider
1697 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1699 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1702 * stor-layout.c (update_alignment_for_field): Don't add extra
1703 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1706 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1708 * config/mips/t-rtems: Add EL/EB multilib variants.
1710 2006-06-09 Mike Stump <mrs@apple.com>
1712 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1714 2006-06-09 David Daney <ddaney@avtrex.com>
1716 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1718 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1720 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1722 2006-06-09 Richard Guenther <rguenther@suse.de>
1724 PR tree-optimization/26998
1725 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1726 of signed types, only TYPE_MIN_VALUE is special, but for both,
1727 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1728 in this case, as is -fwrapv.
1730 2006-06-08 Mike Stump <mrs@apple.com>
1733 * config/darwin.c (darwin_asm_output_anchor): Disable
1734 -fsection-anchors on darwin for now.
1735 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1736 * rs6000/rs6000.c (optimization_options): Likewise.
1738 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1741 * config/i386/i386.c (classify_argument): Skip fields with invalid
1744 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1746 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1747 (cse_insn): Likewise for the stack_pointer_rtx.
1749 2006-06-08 Roger Sayle <roger@eyesopen.com>
1751 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1752 conditions from floating point comparisons.
1754 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1757 * expmed.c (struct alg_hash_entry): Fix type of field T
1758 to match synth_mult argument.
1759 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1761 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1764 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1767 2006-06-08 Richard Guenther <rguenther@suse.de>
1770 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1771 only, if overflow is defined and not trapping.
1772 (negate_expr): Likewise.
1774 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1776 PR tree-optimization/27872
1777 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1778 flag on the new exit edge of the unrolled loop.
1780 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1782 PR rtl-optimization/26449
1783 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1785 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1788 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1789 referenced_variables with matching DECL_UID's.
1790 (find_referenced_vars): Make sure duplicate list is empty to start.
1791 (referenced_var_p): Remove.
1792 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1793 Check if var is in the list, and add if needed. Update the duplicate
1794 list if a different var is in the list with the same DECL_UID.
1795 (add_referenced_var): Call routine to check and insert.
1796 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1797 * tree-flow.h (referenced_vars_dup_list): External declaration.
1799 2006-06-07 Fred Fish <fnf@specifix.com>
1801 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1804 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1807 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1808 the imaginary and real parts of a clobbered register.
1809 Emit insn to set the imaginary part.
1811 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1813 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1814 in lieu of unwind-dw2-fde.c.
1816 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1818 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1820 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1823 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1824 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1825 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1826 V4SImode temporaries and operations instead.
1828 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1830 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1833 2006-06-06 Mike Stump <mrs@apple.com>
1835 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1836 installing during build.
1838 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1840 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1842 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1843 * config/ia64/ia64.c (params.h): New header.
1844 (ia64_optimization_options): New function to adjust parameters.
1845 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1846 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1847 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1849 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1851 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1853 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1856 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1858 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1859 Victor Kaplansky <victork@il.ibm.com>
1861 PR tree-optimization/26360
1862 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1865 2006-06-04 Roger Sayle <roger@eyesopen.com>
1866 Andrew Pinski <pinskia@physics.uc.edu>
1869 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1870 for LABEL_DECL before calling DECL_WEAK.
1873 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1874 LABEL_DECL and PARM_DECL.
1876 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1880 * c-decl.c (grokdeclarator): Disallow variably modified types at
1881 file scope. Avoid marking shared array type of constant size as
1884 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1887 * c-common.c (fold_offsetof_1): Handle static members.
1889 2006-06-04 Eric Christopher <echristo@apple.com>
1891 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1892 (debug_rli): Output value for remaining_in_alignment.
1893 (update_alignment_for_field): Unconditionalize
1894 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1895 extra alignment code.
1896 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1897 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1898 * tree.h (record_layout_info_s): Remove prev_packed.
1899 * doc/extend.texi (ms_struct): Add documentation of format.
1901 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1903 * tree.h: Declare folding_initializer.
1904 * builtins.c (fold_builtin_constant_p): Give definite answer
1905 if folding inside an initializer.
1906 * fold-const.c: Define folding_initializer.
1907 (START_FOLD_INIT): Save and then set folding_initializer.
1908 (END_FOLD_INIT): Restore folding_initializer.
1910 2006-06-04 Richard Guenther <rguenther@suse.de>
1912 PR tree-optimization/27039
1913 * fold-const.c (fold_comparison): Handle pointer comparison
1914 again for all comparison codes. Compare offsets in signed
1916 (fold_binary): Move code from here.
1918 2006-06-03 Roger Sayle <roger@eyesopen.com>
1921 * config/i386/i386.c (construct_container): Split static issued_error
1922 flag into issued_sse_arg_error, issued_sse_ret_error and
1923 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1924 requires the use of x87 registers and the user explicitly
1925 specified the -mno-80387 command line option.
1927 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1929 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1930 HAVE_DECL_SIGALTSTACK.
1932 (segv_handler): Use MC_FLD.
1933 * configure.ac: Check for a sigaltstack declaration.
1934 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1935 * configure: Regenerate.
1936 * config.in: Regenerate.
1938 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1941 * Makefile.in (stmp-fixinc): Fix typo.
1943 2006-06-02 Roger Sayle <roger@eyesopen.com>
1945 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1946 are type correct. Clean-up.
1947 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1948 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1950 2006-06-01 DJ Delorie <dj@redhat.com>
1952 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1953 shift, as we've disabled the "switch" insn that needs it.
1955 2006-06-01 Per Bothner <bothner@bothner.com>
1957 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1958 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1959 * c-ppoutput.c (cb_define): Don't increment line 0.
1961 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1963 * doc/invoke.texi: Add cpu_type power6.
1964 * config.gcc: Add cpu_type power6.
1965 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1966 to power5+ with Altivec.
1967 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1968 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1970 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1972 * config/avr/avr.h (SET_ASM_OP): Define.
1974 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1976 * config/bfin/bfin.c: Fix comment typos.
1978 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1981 * doc/install.texi: Document --enable-bootstrap and
1982 --disable-bootstrap.
1984 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1986 * doc/install.texi: Document that InfoZIP can replace jar.
1988 2006-05-31 Roger Sayle <roger@eyesopen.com>
1990 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1991 isn't available, directly generate the simpler x87 patterns without
1992 the (use (const_int 0)).
1993 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1994 implementation isn't available.
1995 (*negdf2_1): Likewise.
1996 (*negxf2_1): XF mode negation is always done using the x87.
1997 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1999 2006-05-31 Roger Sayle <roger@eyesopen.com>
2001 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2002 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2004 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2006 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2008 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2009 * config/bfin/bfin.c (basic-block.h): Include.
2010 (struct machine_function): New.
2011 (bfin_init_machine_status): New.
2012 (override_options): Initialize init_machine_status.
2013 (bfin_hardware_loop): New.
2014 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2015 (DEF_VEC_P (loop_info)): New.
2016 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2017 (struct loop_info): New.
2018 (loop_info): New typedef.
2019 (struct loop_work): New.
2020 (loop_work): New typedef.
2021 (DEF_VEC_O (loop_work)): New.
2022 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2023 (bfin_dump_loops): New.
2024 (bfin_bb_in_loop): New.
2025 (bfin_scan_loop): New.
2026 (bfin_optimize_loop): New.
2027 (bfin_reorg_loops): New.
2028 (bfin_reorg): Use bfin_reorg_loops.
2029 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2031 (I_REGNO_P): Simplify.
2032 (DP_REGNO_P, DPREG_P): New macros.
2033 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2034 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2035 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2036 Add LT_REGS, LC_REGS, LB_REGS.
2037 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2039 (REGNO_REG_CLASS): Deal with loop registers.
2040 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2042 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2043 New constants for loop registers.
2044 (UNSPEC_LSETUP_END): New.
2045 (seq_insns): New define_attr. Set it for appropriate insns.
2046 (movsi_insn): Add alternatives for move from/to
2047 loop count registers.
2048 (doloop_end): New define_expand.
2049 (loop_end): New define_insn.
2050 (define_split for bad doloop_end): New.
2051 (lsetup_with_autoinit): New define_insn.
2052 (lsetup_without_autoinit): New define_insn.
2053 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2054 * config/bfin/predicates.md (lc_register_operand): New.
2055 (lt_register_operand): New.
2056 (lb_register_operand): New.
2057 (nondp_register_operand): New.
2058 (nondp_reg_or_memory_operand): New.
2059 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2061 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2063 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2064 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2066 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2068 * Makefile.in (CATALOGS): Add po/ prefix.
2069 * configure: Regenerated.
2071 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2074 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2075 a shift operand before calling shift_op. Avoid redundant call of
2078 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2079 DJ Delorie <dj@redhat.com>
2081 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2082 we're inserting is a singlt-bit constant.
2084 2006-05-30 Roger Sayle <roger@eyesopen.com>
2086 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2087 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2089 2006-05-30 Roger Sayle <roger@eyesopen.com>
2091 PR tree-optimization/23452
2092 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2093 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2094 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2095 complex values and with -ffast-math for FP complex values.
2097 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2099 * c-common.h: Remove the prototype for yyparse.
2100 * rtl.h: Remove the prototype for init_loop.
2102 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2104 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2107 2006-05-30 Roger Sayle <roger@eyesopen.com>
2109 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2111 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2112 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2114 2006-05-30 Dirk Mueller <dmueller@suse.de>
2117 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2118 for CONSTANT_CLASS_P expresisons.
2120 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2123 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2125 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2127 PR tree-optimization/27779
2128 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2129 initial_condition instead of CHREC_LEFT.
2131 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2133 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2134 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2135 Make prototypes ISO C90.
2137 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2138 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2140 * see.c (see_analyze_one_def): Correct check.
2141 (see_get_extension_data): Check if extension is parallel.
2142 (see_get_extension_reg): Likewise.
2144 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2147 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2148 into register for (code == GTU).
2150 2006-05-29 Roger Sayle <roger@eyesopen.com>
2152 PR tree-optimization/24964
2153 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2154 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2155 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2156 abs(x)*abs(x) as x*x for scalar floating point modes.
2158 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2161 * lambda-code.c (perfect_nestify): Don't copy statements
2162 in the inner loop: move them to the inner loop header.
2164 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2167 * c-tree.texi: Document OpenMP directives and clauses.
2169 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2171 * varasm.c (globalize_decl): Fix indentation.
2173 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2176 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2177 pass_fre, pass_store_ccp, pass_copy_prop,
2178 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2179 pass_return_slot, pass_object_size, pass_lim,
2180 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2181 pass_loop_prefetch and pass_stdarg.
2183 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2185 * config/bfin/bfin.opt (mfdpic): New option.
2186 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2187 (EXTRA_MULTILIB_PARTS): Likewise.
2188 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2189 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2191 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2192 (CRT_CALL_STATIC_FUNCTION): New.
2193 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2195 (CRT_CALL_STATIC_FUNCTION): New.
2196 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2198 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2199 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2200 (initialize_trampoline): Changed to handle FD-PIC code generation.
2201 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2202 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2203 (override_options): Disallow -mid-shared-library -mfdpic combination.
2204 Can't do unaligned ops if FD-PIC.
2205 Turn off flag_pic if trying to generate non-id-shared-library
2206 non-fdpic code, since it's not supported.
2207 (bfin_assemble_integer): New function.
2208 (TARGET_ASM_INTEGER): Define.
2209 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2211 * config/bfin/crtn.s: Restore them.
2212 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2214 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2215 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2216 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2217 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2218 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2220 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2221 FDPIC_REGS and FDPIC_FPTR_REGS.
2222 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2223 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2224 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2225 (load_funcdescsi): New pattern.
2226 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2227 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2228 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2230 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2232 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2235 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2237 * tree-flow.h: Remove the prototype for add_type_alias.
2238 * tree-ssa-alias.c (add_type_alias): Remove.
2240 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2242 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2243 config/fr30/fr30.md, config/i386/i386-interix.h,
2244 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2245 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2246 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2247 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2248 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2249 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2250 Follow spelling conventions.
2251 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2252 Follow spelling conventions.
2254 2006-05-27 Richard Guenther <rguenther@suse.de>
2257 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2258 to produce a constant of value 1 of generic type.
2260 2006-05-27 Dirk Mueller <dmueller@suse.de>
2262 * cgraphunit.c (decide_is_function_needed): Fix wrong
2265 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2267 PR rtl-optimization/27661
2268 * reload.c (find_reloads): When reloading a VOIDmode constant
2269 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2270 use Pmode as mode of the reload register.
2272 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2274 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2275 is enabled at -O and above.
2277 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2280 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2283 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2286 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2287 for anonymous variables explicitly declared by front ends.
2289 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2291 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2292 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2293 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2294 ref-all pointers, run a finalization pass for them.
2295 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2296 (finalize_ref_all_pointers): New function.
2297 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2298 regular pointer type to a ref-all pointer type.
2299 (get_tmt_for): Return the special memory tag for ref-all pointers.
2301 2006-05-25 Richard Guenther <rguenther@suse.de>
2304 * fold-const.c (fold_binary): Do not look at the stripped
2305 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2307 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2309 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2310 for LT and GT if the computed range is effectively empty.
2312 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2315 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2316 mips_quad_format formats instead of ieee_single_format,
2317 ieee_double_format and ieee_quad_format formats, respectively.
2319 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2321 PR tree-optimization/27639
2322 PR tree-optimization/26719
2323 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2324 call to scev_probably_wraps_p.
2325 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2326 used_in_pointer_arithmetic_p, convert_step): Removed.
2327 (nowrap_type_p): New function.
2328 (scev_probably_wraps_p): Rewritten.
2329 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2330 chrec_convert if chrec_convert_aggressive might have been used.
2331 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2332 scev_direction): New functions.
2333 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2334 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2335 instead of convert_step.
2336 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2337 (convert_step): Declaration removed.
2338 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2340 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2342 * df-core.c: Added to header comments.
2343 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2344 df_ur_bb_info, df_urec_bb_info): Added comments.
2345 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2346 urec, ri problems): Fixed header comments.
2347 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2348 code from df_rd_transfer_function.
2350 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2352 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2353 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2354 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2356 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2358 * expr.c (undefined_operand_subword_p): New.
2359 (emit_move_multi_word): Do not generate move from undefined bits
2360 of a paradoxical subreg.
2362 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2364 PR rtl-optimization/27736
2365 * combine.c (replaced_rhs_value): New variable.
2366 (combine_instructions): Set it.
2367 (distribute_notes): When distributing a note in replaced_rhs_insn,
2368 check whether the value was used in replaced_rhs_value.
2370 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2373 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2374 add_referenced_var instead of add_referenced_tmp_var.
2375 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2376 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2378 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2379 tree_optimize_tail_calls_1): Use add_referenced_var.
2380 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2381 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2382 Use add_referenced_var.
2383 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2384 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2385 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2386 Use add_referenced_var.
2387 * tree-dfa.c (struct walk_state): Remove.
2388 (find_referenced_vars): Remove walk state and vars_found hash table.
2389 (make_rename_temp): Use add_referenced_var.
2390 (find_vars_r): Pass less parameters to add_referenced_var.
2391 (referenced_var_p): New. Is var in referenced_var hash table.
2392 (referenced_var_insert): Assert var isn't already in hash table.
2393 (add_referenced_var): Don't need walk_state parameter. Add var if it
2394 isn't already in the hash table.
2395 (add_referenced_tmp_var): Remove.
2396 (find_new_referenced_vars_1): Use add_referenced_var.
2397 * tree-ssa-pre.c (create_expression_by_pieces,
2398 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2399 Use add_referenced_var.
2400 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2401 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2402 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2404 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2405 vect_create_data_ref_ptr, vect_create_destination_var,
2406 vect_init_vector, vect_build_loop_niters,
2407 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2408 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2409 Use add_referenced_var.
2410 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2411 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2412 (add_referenced_var): Add prototype.
2413 * tree-ssa-structalias.c (get_constraint_for,
2414 intra_create_variable_infos): Use add_referenced_var.
2416 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2418 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2419 big-endian paradoxical subregs.
2420 * var-tracking.c (struct micro_operation_def): Document that,
2421 for modify micro operations, insn is the subsequent instruction.
2422 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2423 (var_reg_set, var_mem_set): ... new functions.
2424 (add_stores): Record subsequent insn.
2425 (compute_bb_dataflow): Use new functions for MO_USE.
2426 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2427 notes after the insn, and modify notes before the insn known
2428 to be the subsequent one.
2429 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2431 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2434 * config/i386/i386.c (ix86_expand_builtin): Use
2435 gen_sse3_monitor64 for TARGET_64BIT.
2437 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2439 PR rtl-optimization/26375
2440 PR rtl-optimization/26855
2441 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2443 (df_ru_bb_local_compute): Reversed statements and removed bogus
2444 comment explaining why they should be in wrong order.
2445 (df_ru_dump, df_rd_dump): Enhanced debug info.
2446 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2448 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2449 reaching uses and fixed space problem.
2451 2006-05-23 Jan Hubicka <jh@suse.cz>
2453 * cgraphunit.c (decide_is_function_needed): Also nested functions
2454 and functions declared inline can be optimized out at -O0.
2456 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2458 * doc/install.texi (Configuration): Remove reference to CrossGCC
2462 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2465 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2466 ix86_compare_emitted is non-NULL.
2468 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2471 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2474 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2476 PR rtl-optimization/25514
2477 * combine.c (replaced_rhs_insn): New variable.
2478 (combine_instructions): Set replaced_rhs_insn when trying to replace
2479 a SET_SRC with a REG_EQUAL note.
2480 (distribute_notes): Use replaced_rhs_insn when determining the live
2481 range of a REG_DEAD register.
2483 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2484 Anatoly Sokolov <aesok@post.ru>
2486 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2487 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2488 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2489 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2490 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2491 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2492 at90usb647, at90usb1286 and at90usb1287 devices.
2493 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2494 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2496 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2498 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2500 2006-05-22 Richard Guenther <rguenther@suse.de>
2503 2006-01-31 Richard Guenther <rguenther@suse.de>
2504 Paolo Bonzini <bonzini@gnu.org>
2506 * doc/install.texi (--disable-libgcc-math): Document.
2508 2006-05-22 Richard Guenther <rguenther@suse.de>
2511 2006-01-31 Richard Guenther <rguenther@suse.de>
2513 * doc/invoke.texi (-msselibm): Document.
2514 * target.h (expand_library_builtin): New target hook.
2515 * builtins.c (expand_builtin): Use expand_library_builtin.
2516 (default_expand_library_builtin): New function.
2517 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2518 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2519 (link_gcc_math_spec): Declare.
2520 (static_specs): Add link_gcc_math_spec.
2521 * expr.h (default_expand_library_builtin): Declare.
2522 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2523 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2524 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2525 * config/i386/i386.opt (msselibm): New target option.
2526 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2527 (ix86_init_sse_abi_builtins): New function.
2528 (ix86_expand_library_builtin): Likewise.
2529 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2530 (override_options): Handle error conditions wrt -msselibm.
2531 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2532 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2533 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2536 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2539 * c-common.c (self_promoting_args_p): Skip erroneous args.
2542 * c-decl.c (finish_struct): Skip erroneous fields.
2544 2006-05-22 Nick Clifton <nickc@redhat.com>
2546 * config/cris/cris.opt (march): Remove VarExists attribute.
2547 (max-stackframe=): Likewise.
2549 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2551 * doc/rtl.texi: Fix a typo.
2552 * see.c: Fix comment typos.
2554 * tree-ssa-structalias.h (alias_info): Remove num_references.
2556 2006-05-21 Mike Stump <mrs@apple.com>
2558 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2560 (darwin_pragma_options): Use BAD instead.
2561 (darwin_pragma_unused): Likewise.
2562 (darwin_pragma_ms_struct): Likewise.
2564 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2566 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2568 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2570 PR rtl-optimization/27671
2571 * simplify-rtx.c (simplify_relational_operation_1): Fix
2572 simplifications of (eq/ne (xor x y) y) and
2573 (eq/ne (xor x y) x).
2575 PR tree-optimization/26622.
2576 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2579 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2581 * tree-cfg.c: Prune whitespace.
2582 (debug_tree_cfg): Point to correct header containing the
2585 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2588 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2590 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2593 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2594 or sorry count is non zero.
2596 2006-05-20 Andreas Schwab <schwab@suse.de>
2598 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2600 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2601 Kenneth Zadeck <zadeck@naturalbridge.com>
2603 PR rtl-optimization/26855
2605 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2607 (df_scan_alloc): Added code to properly handle multiword hard
2608 registers and add all_blocks parameter.
2609 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2610 code to properly handle multiword hard registers.
2611 (df_rescan_blocks): Added code to remove deleted blocks from
2613 (df_ref_create_structure, df_ref_record): Added code to properly
2615 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2616 and set DF_REF_PARTIAL.
2617 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2618 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2619 (df_scan_add_problem): Added flags parameter.
2620 (df_ref_create_structure): Changed switching structure.
2621 (df_bb_refs_record): Fixed case where duplicate artificial refs
2622 were created. Changed location of flags.
2623 (df_record_entry_block_defs): Added code to make stack pointer
2624 live in entry block. Refined cases where frame pointer is needed.
2625 Changed location of flags.
2626 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2627 (df_set_state): Removed function.
2628 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2629 df_insn_create_insn_record, df_insn_refs_delete,
2630 df_ref_create_structure): Formatting changes.
2631 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2632 df_delete_basic_block): New function.
2633 (df_init): Changed location of flags.
2634 (df_add_problem): Added flags parameter and the way flags are
2636 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2637 debug_df_chain): Improved debugging output.
2638 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2639 (df_refs_chain_dump): Removed df parameter.
2640 (df_iterative_dataflow): Added consistency check.
2641 (df_prune_to_subcfg): Made public.
2642 (df_analyze_problem): Added blocks_to_init parameter and made
2644 (df_ref_record, df_bb_refs_record, df_mark_reg,
2645 df_record_exit_block_uses): Whitespace changes.
2646 (df_dump): Whitespace changes.
2647 * df.h: Some reordering to remove forward references.
2648 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2649 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2650 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2651 (dataflow.flags): New field.
2652 (df.flag): Deleted field.
2653 (df_alloc_function): Added additional bitmap parameter.
2654 (df_dependent_problem_function): New type.
2655 (df_problem.changeable_flags): New field.
2656 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2657 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2658 (df_mw_hardreg): New struct.
2659 (DF_INSN_UID_MWS): New macro.
2660 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2662 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2663 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2664 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2665 (df_set_state): Removed function.
2666 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2667 * df-problems.c (df_chain_dump): Removed df parameter.
2668 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2669 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2671 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2672 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2673 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2674 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2675 DF_REF_MUST_CLOBBER cases.
2676 (df_ru_bb_local_compute_process_def,
2677 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2678 df_lr_bb_local_compute, df_ur_bb_local_compute,
2679 df_chain_create_bb): Made subreg aware.
2680 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2681 df_lr_bb_local_compute, df_lr_bb_local_compute,
2682 df_chain_create_bb): Cleanup to use proper macros.
2683 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2684 code to fixup bitvectors.
2685 (df_ri_alloc): Cleared lifetime.
2686 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2687 df_create_unused_note): New function.
2688 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2689 REG_DEAD and REG_UNUSED notes as well as register information.
2690 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2691 df_chains_dump): Fixed crash if problem was never run.
2692 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2693 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2694 df_ri_add_problem): Processes flags in uniform manner.
2695 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2696 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2697 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2698 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2699 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2700 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2701 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2702 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2703 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2704 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2705 * see.c (see_initialize_data): Ditto.
2706 * final.c (rest_of_clean_state) Added regstack_completed.
2707 * rtl.h (regstack_completed): Ditto.
2708 * reg-stack.c (regstack_completed): Ditto.
2710 2006-05-19 Mike Stump <mrs@apple.com>
2712 * c-tree.h (default_conversion): Remove.
2713 * c-common.h (default_conversion): Add.
2715 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2717 * tree-vrp.c (valid_value_p): New function.
2718 (adjust_range_with_scev): Fail if the value of bound is not
2721 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2723 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2724 (mips_fallback_frame_state): Use syscall numbers to determine
2725 the appropriate li instruction for the current ABI. Only use
2726 __NR_sigreturn for o32.
2728 2006-05-19 Nicolas Setton <setton@adacore.com>
2730 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2731 * langhooks.c (lhd_dwarf_name): New function.
2732 * langhooks-def.h (lhd_dwarf_name): Declare.
2733 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2734 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2735 * ada/misc.c (gnat_dwarf_name): New function.
2736 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2738 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2740 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2742 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2743 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2744 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2745 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2746 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2747 determine the size of Wtype, etc.
2748 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2749 (swfloatfuncs): New variable.
2750 (dwfloatfuncs): Likewise.
2751 (lib2funcs): Remove floating-point conversion functions from
2752 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2753 the set of conversion routines needed. Allow entries to specify
2754 an object name, filename and word size. Update users accordingly.
2755 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2756 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2760 2006-02-08 Roger Sayle <roger@eyesopen.com>
2763 * config/fixtfdi.c: New libgcc source file.
2764 * config/fixunstfdi.c: New source file.
2765 * config/floatditf.c: New source file.
2766 * config/floatunditf.c: New souce file.
2767 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2768 files above instead of config/mips/_tilib.c.
2769 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2771 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2773 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2774 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2776 2006-05-18 Mike Stump <mrs@apple.com>
2778 Fix up vla, vm and [*] sematics.
2784 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2785 (c_vla_unspec_p): Add.
2786 (c_vla_type_p): Add.
2787 * c-decl.c (struct c_scope): Add had_vla_unspec.
2788 (build_array_declarator): Add support for [*].
2789 (grokdeclarator): Likewise.
2790 (grokparms): Likewise.
2791 (get_parm_info): Likewise.
2792 * c-objc-common.c (c_vla_unspec_p): Likewise.
2793 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2794 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2795 typeof when argument is a variably modified type not inside sizeof or alignof.
2796 (c_parser_direct_declarator_inner): Propagate errors.
2797 (c_parser_sizeof_expression): Add support for [*].
2798 (c_parser_parms_declarator): Initialize had_vla_unspec.
2799 (c_parser_parms_list_declarator): Likewise.
2800 * c-typeck.c (c_vla_type_p): Add.
2801 (composite_type): Add support for vla compositing.
2802 (comptypes_internal): Add support for vla compatibility.
2803 (c_expr_sizeof_expr): Evaluate vla arguments.
2804 * tree.c (variably_modified_type_p): Update comment for [*].
2806 2006-05-18 Michael Matz <matz@suse.de>
2809 * config.host: Make assignments to host_xmake_file cumulative.
2810 * config.host (*-darwin*): Test $host, not $target.
2812 2006-05-12 Stuart Hastings <stuart@apple.com>
2814 * config/i386/i386.opt (-mstackrealign): New flag.
2815 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2816 (ix86_handle_cconv_attribute): Emit error when
2817 force_align_arg_pointer attribute collides with too many regparms.
2818 (ix86_function_regparm): Limit regparms when used with
2819 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2820 Support stack-realigning prologue in non-main functions. Emit
2821 warning for nested functions under -mstackrealign, emit error for
2822 nested functions with force_align_arg_pointer attribute.
2823 * doc/extend.texi (force_align_arg_pointer): Document it.
2824 * doc/invoke.texi (-mstackrealign): Document it.
2826 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2828 PR rtl-optimization/27477
2829 * combine.c (try_combine): Don't split a parallel consisting
2830 of two sets into two individual sets if both sets reference
2833 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2835 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2836 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2838 * doc/options.texi (VarExists): Updated.
2840 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2842 * unwind-dw2.c: Add declarations for uw_update_context and
2844 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2845 detected, advance frame state and context once to skip over stub.
2847 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2851 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2852 Call rewrite_into_loop_closed_ssa only when something changed.
2853 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2854 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2855 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2856 Test for perfect_nest_p here. Fix formating.
2857 (replace_uses_equiv_to_x_with_y): Fix formating.
2858 (stmt_uses_op): Removed.
2859 (can_convert_to_perfect_nest): Removed loopivs parameter.
2860 Complete the test by checking the scalar dependences.
2861 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2864 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2867 From Dan Kegel <dank@kegel.com>:
2868 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2870 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2872 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2873 if the element type is variably modified without recursing.
2875 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2878 * tree-loop-linear.c (try_interchange_loops): Test for
2879 no data dependences.
2881 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2883 PR tree-optimization/27548
2884 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2885 range of ssa names that appear on abnormal edges.
2886 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2887 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2889 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2892 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2894 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2897 * tree.h (OMP_PARALLEL_COMBINED): Define.
2898 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2899 (new_omp_context): Add is_combined_parallel argument.
2900 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2901 new_omp_context caller.
2902 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2903 Adjust gimplify_scan_omp_clauses callers.
2904 (omp_is_private): Issue errors if iteration variable is firstprivate
2905 or reduction in the current context.
2906 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2907 on combined parallel workshare constructs.
2909 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2911 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2912 (gcc-options.o): New rule.
2914 * optc-gen.awk: Protect variables for gcc-options.o with
2915 #ifdef GCC_DRIVER/#endif.
2917 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2919 Fix PR tree-optimization/27373
2920 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2921 (forward_propagate_addr_expr): Update call.
2923 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2925 * doc/options.texi: Move the Negative option.
2927 2006-05-16 Richard Guenther <rguenther@suse.de>
2929 PR tree-optimization/22303
2930 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2932 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2933 ccp_fold did not simplify the statement.
2935 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2938 * Makefile.in (GCC_OBJS): New.
2939 (OBJS-common): Add opts-common.o.
2940 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2941 (cpp$(exeext)): Likewise.
2942 (gcc.o): Also depend on opts.h.
2943 (opts-common.o): New.
2945 * common.opt (gcoff): Add Negative(gdwarf-2).
2946 (gdwarf-2): Add Negative(gstabs).
2947 (gstabs): Add Negative(gstabs+).
2948 (gstabs+): Add Negative(gvms).
2949 (gvms): Add Negative(gxcoff).
2950 (gxcoff): Add Negative(gxcoff+).
2951 (gxcoff+): Add Negative(gcoff).
2952 * config/i386/i386.opt (m32): Add Negative(m64).
2953 (m64): Add Negative(m32).
2955 * doc/options.texi: Document the Negative option.
2957 * gcc.c: Include "opts.h".
2958 (main): Call prune_options after expandargv.
2960 * optc-gen.awk: Generate common declarations for all flag
2961 variables in options.c. Output the neg_index field.
2963 * opts.c (find_opt): Moved to ...
2964 * opts-common.c: Here. New file.
2966 * opts.h (cl_option): Add a neg_index field.
2968 (prune_options): Likewise.
2970 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2973 * omp-low.c (expand_omp_parallel): Don't assert
2974 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2975 instead search for it.
2978 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2981 2006-05-16 Andreas Schwab <schwab@suse.de>
2983 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2986 2006-05-15 Roger Sayle <roger@eyesopen.com>
2989 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2990 integer constants other than zero are only legitimate on TARGET_64BIT.
2991 <CONST_VECTOR> Only zero vectors are legitimate.
2992 (ix86_cannot_force_const_mem): Integral and vector constants can
2993 always be put in the constant pool.
2995 2006-05-16 DJ Delorie <dj@redhat.com>
2997 * crtstuff.c (__dso_handle): Set section from
2998 TARGET_LBIGCC_SDATA_SECTION if defined.
2999 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3000 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3002 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3005 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3008 2006-05-16 Ben Elliston <bje@au.ibm.com>
3010 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3012 2006-05-15 Per Bothner <per@bothner.com>
3014 * tree.c: (last_annotated_node): Use source_locus typedef.
3015 This permits bootstrapping with --enable-mapped-location.
3017 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3019 PR tree-optimization/26830
3020 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3021 (info_for_ssa_name, current_info_for_ssa_name_age,
3022 blocks_to_update): New variables.
3023 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3024 (clear_ssa_name_info, initialize_flags_in_bb,
3025 mark_block_for_update): New functions.
3026 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3027 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3028 prepare_def_site_for): Use mark_block_for_update.
3029 (mark_def_interesting): Assert that the processed block is marked in
3030 blocks_to_update. Do not take blocks argument.
3031 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3033 (rewrite_update_init_block, rewrite_update_stmt): Only process
3034 blocks with statements to rewrite.
3035 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3036 (update_ssa): Initialize and free blocks_to_update. Do not
3037 clear flags on statements. Do not use blocks bitmap.
3038 * tree.h (SSA_NAME_AUX): Removed.
3039 (struct tree_ssa_name): Removed aux field.
3040 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3042 2006-05-15 Richard Guenther <rguenther@suse.de>
3044 PR tree-optimization/27603
3045 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3046 Do computations in original type.
3048 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3050 * see.c: Code style changes such as redundant paranthesis,
3051 redundant intialization of local variables etc.
3052 (see_main): Declared now as static.
3053 * doc/invoke.texi: Update that -fsee is not enabled by
3056 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3058 * omp-low.c (check_omp_nesting_restrictions): New function.
3059 (scan_omp_1): Call it.
3062 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3063 construct, return *VAR.
3065 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3067 PR rtl-optimization/27406
3068 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3071 2006-05-14 Roger Sayle <roger@eyesopen.com>
3073 PR rtl-optimization/27538
3074 * combine.c (expand_compound_operation): Call gen_lowpart
3075 before calling simplify_shift_const.
3077 2006-05-14 Roger Sayle <roger@eyesopen.com>
3079 PR rtl-optimization/22563
3080 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3081 a fixed width bitfield, always force the intermediates into psuedos.
3083 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3086 * mkconfig.sh: Use operator = instead of == for test.
3088 2006-05-13 Nick Clifton <nickc@redhat.com>
3090 * dwarf2out.c (dbx_reg_number): Check return value from
3091 LEAF_REG_REMAP and only use it if it is valid.
3092 (multiple_reg_loc_descriptor): Likewise.
3094 2006-05-13 Richard Guenther <rguenther@suse.de>
3096 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3099 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3101 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3102 information attached to non-INSNs such as NOTEs.
3103 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3105 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3107 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3109 * config/s390/s390.md: Adjust comment describing On constraint.
3111 2006-05-11 Jan Hubicka <jh@suse.cz>
3113 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3114 to be output at -O0.
3116 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3119 * fold-const.c (size_binop): Move sanity check for arguments to
3120 the beginning of the function.
3123 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3126 2006-05-11 Richard Guenther <rguenther@suse.de>
3129 * fold-const.c (fold_unary): Handle intermediate conversion
3130 to a pointer type like intermediate conversion to an integer
3131 type in folding of (T1)(T2)var to var.
3132 Match the code to the comment in the final conversion for
3133 (T1)(T2)var to (T1)var regarding to type precision. Rather
3134 than disallow T1 being of pointer type, assert that both T1
3135 and var are of pointer type or not. Make sure not to fall
3136 over the frontends lazyness wrt array to pointer decay though.
3138 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3140 * arm.c (arm_struct_value_rtx): Delete.
3141 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3142 (arm_init_cumulative_args): Always initialize nregs to zero.
3144 2006-05-10 Richard Guenther <rguenther@suse.de>
3146 PR tree-optimization/27532
3147 * tree-object-size.c (plus_expr_object_size): Fix typo.
3149 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3152 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3153 ashrdi_const, ashrdi3): Use a scratch register.
3155 2006-05-10 Richard Guenther <rguenther@suse.de>
3157 PR tree-optimization/27302
3158 * fold-const.c (operand_equal_p): For two comparisons,
3159 try comparison of one comparison code swapped if that yields
3162 2006-05-10 Ben Elliston <bje@au.ibm.com>
3164 * tree-pretty-print.c (pretty_print_string): No need to handle
3165 '\0' as a special character.
3167 * tree.h: Include "hashtab.h".
3168 (iterative_hash_expr): Use hashval_t in its prototype.
3169 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3171 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3174 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3175 (hppa*64*-*-hpux11*): Ditto.
3176 (hppa[12]*-*-hpux11*): Ditto.
3178 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3181 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3183 2006-05-09 Michael Matz <matz@suse.de>
3185 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3186 host_extra_gcc_objs and host_xmake_file.
3187 (<*-*-linux*>): Don't overwrite host_xmake_file.
3188 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3189 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3190 (host_detect_local_cpu): Declare.
3191 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3192 * config/i386/i386.c (override_options): Handle -mtune=native
3194 * config/i386/x-i386: New file.
3195 * config/i386/driver-i386.c: New file.
3196 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3199 2006-05-09 Dirk Mueller <dmueller@suse.de>
3200 Richard Guenther <rguenther@suse.de>
3203 * fold-const.c (fold_read_from_constant_string): Relax check
3204 for matching types to matching modes.
3206 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3208 PR rtl-optimization/27335
3209 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3212 2006-05-08 Chao-ying Fu <fu@mips.com>
3213 Richard Sandiford <richard@codesourcery.com>
3215 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3216 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3217 * config/mips/mips.md (UNSPEC_SCC): New constant.
3218 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3219 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3220 (mips_emit_compare): Use it.
3221 (mips_expand_vcondv2sf): New function.
3223 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3225 Fix PR tree-optimization/27093
3226 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3227 renaming when they become not-used_alone.
3229 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3231 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3232 relocation and relocation stubs.
3234 2006-05-08 Eric Christopher <echristo@apple.com>
3236 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3239 2006-05-08 Jan Hubicka <jh@suse.cz>
3242 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3243 unused static functions are needed.
3245 2006-05-08 Roger Sayle <roger@eyesopen.com>
3248 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3249 of a reg_equiv_constant if the result is a legitimate constant.
3251 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3254 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3255 standard 80387 constants, raise the cost to prevent
3256 compress_float_constant() to generate load from memory.
3258 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3260 * config/arm/constraints.md (c): Fix a typo.
3262 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3265 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3268 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3270 (_mm_mwait): Likewise.
3272 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3274 (sse3_monitor): Make it 32bit only.
3275 (sse3_monitor64): New. 64bit monitor.
3277 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3280 * config/i386/i386.c (classify_argument): Skip fields with invalid
3283 2006-05-07 Richard Guenther <rguenther@suse.de>
3285 PR tree-optimization/27409
3286 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3287 Do not try to find zero-sized subvars.
3289 2006-05-07 Richard Guenther <rguenther@suse.de>
3291 PR tree-optimization/27136
3292 * tree-ssa-loop-niter.c (get_val_for): Correct function
3293 comment, assert requirements.
3294 (loop_niter_by_eval): Stop processing if the iterated
3295 value did not simplify.
3297 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3299 * opts.c (flag_see): remove its setting at -O3.
3301 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3303 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3304 * arm/constraints.md: New file.
3305 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3306 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3307 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3308 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3309 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3310 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3311 * arm.md: Include constraints.md.
3312 (thumb_movsi_insn): Use satisfies_constraint_J.
3313 (movhi, movqi): Use satisfies_constraint_I.
3315 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3317 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3318 for atmeg a645 device.
3320 2006-05-06 Richard Guenther <rguenther@suse.de>
3322 PR tree-optimization/27151
3323 * tree-vect-transform.c (vectorizable_condition): Punt on
3324 values that have a different type than the condition.
3326 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3329 * c-parser.c (c_parser_cast_expression): Only insert casts into
3330 hash table if pointer.
3331 * function.c (used_types_insert_helper): Rename from
3333 (used_types_insert): Call used_types_insert_helper.
3334 * function.h (used_types_insert): Accept only one argument.
3336 2006-05-05 David Edelsohn <edesohn@gnu.org>
3338 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3339 scratch with output modifier.
3341 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3344 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3345 with output modifier.
3347 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3350 * config/mips/mips.c (mips_symbolic_address_p): Return true
3351 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3352 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3354 2006-05-04 Richard Guenther <rguenther@suse.de>
3356 PR tree-optimization/14287
3357 PR tree-optimization/14844
3358 PR tree-optimization/19792
3359 PR tree-optimization/21608
3360 PR tree-optimization/27090
3361 * tree-ssa-pre.c (try_combine_conversion): New function.
3362 (compute_avail): After constructing the value-handle
3363 expression, use try_combine_conversion to combine NOP_EXPRs
3364 with previous value-handle expressions and use the result if it
3367 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3369 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3371 2006-05-04 Jan Hubicka <jh@suse.cz>
3374 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3376 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3378 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3379 that this only matches CONST_INTs. All users changed to VOIDmode
3382 * config/bfin/bfin.c: Include "optabs.h".
3383 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3385 (enum bfin_builtins): Add a number of fractional and vector builtins.
3386 (bfin_init_builtins): Likewise.
3387 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3388 (safe_vector_operand, bfin_expand_binop_builtin,
3389 bfin_expand_unop_builtin): New functions.
3390 (bfin_expand_builtin): Handle the new builtins.
3391 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3394 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3397 * Makefile.in (OBJS-common): Add see.o.
3398 (see.o): Add dependencies.
3399 * common.opt (fsee): New flag for the see optimization was added.
3400 * opts.c (flag_see): Initialized.
3401 * passes.c (init_optimization_passes, pass_see): New pass.
3402 * rtl.h (see_main): Declaration as extern.
3403 * timevar.def (TV_SEE): New.
3404 * tree-pass.h (pass_see): Declaration as extern.
3405 * invoke.texi (-fsee): Document.
3406 * recog.c (validate_simplify_insn): New function.
3407 * recog.h (validate_simplify_insn): Declaration as extern.
3408 * df-problems.c (df_chain_dump): Check for NULL.
3410 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3411 Daniel Berlin <dberlin@dberlin.org>
3413 * cfgrtl.c (insert_insn_bb_end_new): New function.
3414 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3416 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3418 * df.h (struct web_entry): Moved from web.c.
3419 (union_defs): Declaration as extern.
3420 (unionfind_root): Likewise.
3421 (unionfind_union): Likewise.
3422 * web.c (struct web_entry): Moved to df.h.
3423 (unionfind_root): Remove static declaration.
3424 (unionfind_union): Likewise.
3425 (union_defs): Likewise and generalize to use callback function.
3426 (web_main): Update arguments for union_defs function call.
3428 2006-05-04 Richard Guenther <rguenther@suse.de>
3430 PR tree-optimization/26447
3431 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3432 produce SSA_NAME copies before the store stmt to avoid
3433 breaking exception handling.
3435 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3438 * gimplify.c (omp_is_private): If var is shared in some outer context,
3439 return false instead of true. Stop searching on parallel context
3442 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3445 * coverage.c: Use get_gcov_unsigned_t() instead of
3446 unsigned_type_node all over.
3448 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3450 PR tree-optimization/27381
3451 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3452 maintain the same immediate_use links.
3453 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3454 node rather than segfaulting.
3456 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3459 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3460 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3461 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3463 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3465 Fix PR tree-optimization/26626
3466 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3468 * tree-ssa-operands.c (access_can_touch_variable): Allow
3469 typecasting through union pointers.
3471 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3474 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3475 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3476 to find if var will be a global variable even in the nested context.
3477 (omp_copy_decl): Only check for global variable at the end, it might
3478 be overridden in outer contexts.
3479 (scan_sharing_clauses): For global variables don't create a field.
3480 (lower_rec_input_clauses): Do nothing for global shared variables.
3481 Emit a barrier at the end of ILIST if there were any decls in both
3482 firstprivate and lastprivate clauses.
3483 (lower_send_clauses): Do nothing for global variables except for
3486 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3488 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3489 of the correct signedness is returned.
3491 2006-05-02 Jeff Law <law@redhat.com>
3493 PR tree-optimization/27364
3494 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3495 multiply expressions.
3497 2006-05-02 Tom Tromey <tromey@redhat.com>
3499 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3501 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3504 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3505 -mthumb -fPIC are used.
3507 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3508 Joshua Kinard <kumba@gentoo.org>
3511 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3512 with 64-bit pointers.
3514 2006-05-02 Paul Brook <paul@codesourcery.com>
3516 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3518 (create_fix_barrier): Check that a suitable barrier location is
3520 (arm_reorg): Include ftmp->address in allowable range of addresses.
3522 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3525 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3528 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3531 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3532 around RESULT_DECL for result passed by reference.
3533 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3534 * omp-low.c (use_pointer_for_field): Don't look at
3535 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3536 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3537 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3538 time or var for passing by reference for
3539 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3540 TREE_ADDRESSABLE variables when passing by reference.
3542 * omp-low.c (dump_omp_region): Fix output formatting.
3545 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3546 (expand_omp_parallel): Likewise.
3547 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3550 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3551 on statement list containing also constructors and destructors.
3552 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3555 * except.c (duplicate_eh_regions): Fix clearing of
3556 cfun->eh->region_array entries.
3558 2006-05-01 DJ Delorie <dj@redhat.com>
3560 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3562 (gcc_cv_objdump): Likewise.
3563 * configure: Regenerated.
3565 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3568 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3569 templates for case 3 and 4.
3571 2006-05-01 DJ Delorie <dj@redhat.com>
3573 * vec.c: Include bconfig.h when appropriate.
3574 * Makefile.in (build/vec.o): Adjust dependencies.
3575 * mkconfig.sh: Make sure config.h isn't used for build machine
3578 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3580 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3582 (mark_phi_for_rewrite): New function.
3583 (insert_phi_nodes_for, mark_use_interesting): Call
3584 mark_phi_for_rewrite.
3585 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3586 (update_ssa): Initialize and free phis_to_rewrite.
3588 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3590 PR rtl-optimization/27291
3591 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3592 folded to a constant.
3594 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3596 PR tree-optimization/27283
3597 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3598 not whole # of iteration descriptions.
3599 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3600 uses abnormal ssa name.
3601 (niter_for_single_dom_exit): Ditto.
3602 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3603 return just the number of iterations.
3605 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3607 PR tree-optimization/27144
3608 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3609 (record_estimate): Only record constant upper bound.
3610 (infer_loop_bounds_from_undefined): Call
3611 compute_estimated_nb_iterations just once.
3612 (proved_non_wrapping_p): Renamed to ...
3613 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3614 (convert_step_widening, scev_probably_wraps_p): Call
3615 n_of_executions_at_most instead of proved_non_wrapping_p.
3616 (substitute_in_loop_info): Do not replace values in bounds.
3617 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3620 2006-05-01 Richard Henderson <rth@redhat.com>
3623 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3624 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3627 2006-05-01 Roger Sayle <roger@eyesopen.com>
3629 * c-typeck.c (parser_build_binary_op): Don't call the function
3630 unsigned_conversion_warning to spot operand/result type overflow.
3631 (build_binary_op): Instead, call convert_and_check instead of
3632 convert to report the problem when the operands are promoted.
3633 * c-common.c (unsigned_conversion_warning): Make static.
3634 * c-common.h (unsigned_conversion_warning): Delete prototype.
3636 2006-05-01 Richard Guenther <rguenther@suse.de>
3638 PR tree-optimization/26726
3639 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3641 (find_interesting_uses_address): ... we work around here
3642 by folding INDIRECT_REFs in the substituted base.
3644 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3646 * omp-low.c (dump_omp_region): Add newlines.
3648 2006-04-30 Roger Sayle <roger@eyesopen.com>
3650 * common.opt (Woverflow): New command line option.
3651 * c-common.c (constant_expression_warning): Check warn_overflow.
3652 (overflow_waring): Pass OPT_Woverflow to warning.
3653 (unsigned_conversion_warning): Likewise.
3654 (convert_and_check): Likewise.
3655 * doc/invoke.texi: Document new command line option.
3657 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3659 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3660 TARGET_NO_FP_IN_TOC for section anchors.
3661 (optimization_options): Enable section anchors for all
3662 non-"Objective" languages.
3664 2006-04-28 Eric Christopher <echristo@apple.com>
3666 * config/darwin-c.c (darwin_ms_struct): Move this
3667 (darwin_set_default_type_attributes): and this...
3668 * config/darwin.c: ... here.
3669 * config/darwin.h (darwin_ms_struct): Declare.
3671 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3673 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3675 2006-04-28 Roger Sayle <roger@eyesopen.com>
3678 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3679 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3680 an unsigned HOST_WIDE_INT.
3681 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3683 (really_start_incremental_init): No need to call convert because
3684 bitsize_zero_node is already of type bitsizetype.
3685 (push_init_level): Extract the value of constructor_index as an
3686 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3687 (process_init_element): Likewise.
3689 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3691 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3692 value before passing to make_relative_prefix.
3694 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3697 * builtins.c (expand_builtin_memset): Expand val in original mode.
3699 2006-04-27 Eric Christopher <echristo@apple.com>
3701 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3702 with #ifndef/#endif.
3703 * config/darwin-c.c (darwin_ms_struct): New.
3704 (darwin_pragma_ms_struct): Ditto.
3705 (darwin_set_default_type_attributes): Ditto.
3706 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3707 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3708 Register ms_struct pragma.
3709 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3710 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3711 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3712 darwin_set_default_type_attributes if TARGET_MACHO.
3714 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3716 PR tree-optimization/26854
3717 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3718 * doc/tree-ssa.texi: Update immuse iterator documentation.
3719 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3720 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3721 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3722 first_safe_imm_use, next_safe_imm_use): Remove.
3723 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3724 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3725 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3726 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3727 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3728 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3729 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3730 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3731 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3732 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3733 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3734 (perfect_nestify): Use new iterator.
3735 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3737 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3738 (next_imm_name): New field in struct immediate_use_iterator_d.
3739 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3740 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3741 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3742 * tree-cfg.c (replace_uses_by): Use new iterator.
3743 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3744 * tree-ssa-operands.c (correct_use_link): Remove.
3745 (finalize_ssa_use_ops): No longer call correct_use_link.
3747 2006-04-27 Stuart Hastings <stuart@apple.com>
3749 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3750 * config/t-darwin (crt3.o): Use it.
3751 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3752 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3753 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3754 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3755 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3758 2006-04-27 Roger Sayle <roger@eyesopen.com>
3760 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3761 size, force the intermediate into a new pseudo rather instead of
3762 performing both a bitwise AND and a bitwise IOR in memory.
3764 2006-04-27 Richard Guenther <rguenther@suse.de>
3766 PR rtl-optimization/26685
3767 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3768 this one "max-flow-memory-locations".
3770 2006-04-27 Richard Guenther <rguenther@suse.de>
3772 PR tree-optimization/25148
3773 * tree-vrp.c (compare_values): Remove code dealing with
3774 comparisons against type min/max value. Honour overflow
3775 and negative constants in code dealing with comparisons
3776 of plus and minus expressions.
3777 (value_inside_range): Use fold_binary with LE_EXPR and
3778 GE_EXPR rather than compare_values.
3780 2006-04-27 Dirk Mueller <dmueller@suse.de>
3782 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3785 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3787 * basic-block.h (safe_insert_insn_on_edge): Removed.
3788 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3790 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3791 Paolo Bonzini <bonzini@gnu.org>
3794 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3795 (simplify_and_const_int): Same.
3797 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3799 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3801 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3804 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3805 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3806 cgraph_global_info_ready.
3809 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3812 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3813 either decl or init is error_mark_node.
3816 * tree-flow.h (struct omp_region): Add sched_kind.
3817 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3818 instead of extracting omp for data.
3819 (expand_omp_for): Save extracted sched_kind.
3821 2006-04-25 Roger Sayle <roger@eyesopen.com>
3823 * expmed.c (store_bit_field): Also check whether the bitsize is
3824 valid for the machine's "insv" instruction before moving the
3825 target into a pseudo for use with the insv.
3826 * config/i386/predicates.md (const8_operand): New predicate.
3827 * config/i386/i386.md (extv, extzv, insv): Use the new
3828 const8_operand predicate where appropriate.
3830 2006-04-25 DJ Delorie <dj@redhat.com>
3832 * doc/install.texi (Specific): Clarify that this is not a list of
3833 supported hosts or targets.
3835 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3837 PR rtl-optimization/26725
3838 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3839 block's BB_DIRTY flag.
3841 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3843 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3846 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3847 to print an integer.
3849 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3851 * varasm.c (align_variable): New function.
3852 (get_block_for_decl): Apply align_variable to DECL before
3853 calculating section information.
3854 (assemble_variable): Split out alignment computation.
3856 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3858 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3861 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3863 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3864 MODE_PARTIAL_INT mode.
3865 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3866 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3868 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3869 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3871 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3873 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3875 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3876 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3877 MACFLAG_IH): Likewise.
3878 (movstricthi_1): Renamed from "*movstricthi".
3879 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3880 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3881 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3882 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3883 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3884 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3885 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3886 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3887 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3888 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3889 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3890 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3891 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3892 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3893 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3895 * doc/rtl.texi (ss_ashift): Improve wording.
3897 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3899 * dwarf2out.c (verify_marks_clear): New.
3900 (prune_unused_types): Call verify_marks_clear initially, not
3903 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3905 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3906 * doc/rtl.texi: Document them.
3907 * simplify-rtx.c (simplify_unary_operation,
3908 simplify_binary_operation_1): Don't abort when we see them.
3910 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3913 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3914 * configure.ac: Completely disregard languages that are not
3916 * configure: Regenerated.
3918 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3919 Richard Guenther <rguenther@suse.de>
3921 PR tree-optimization/27236
3922 * tree-inline.c (copy_body_r): Make sure to copy
3923 TREE_THIS_VOLATILE flag.
3925 2006-04-24 Richard Guenther <rguenther@suse.de>
3928 * tree-complex.c (update_parameter_components): Don't handle
3929 unused parameters which have no default def.
3931 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3932 Richard Guenther <rguenther@suse.de>
3934 PR tree-optimization/27218
3935 * tree-inline.c (expand_call_inline): Strip useless type
3936 conversions for the return slot address.
3938 2006-04-24 Richard Guenther <rguenther@suse.de>
3940 * cfgloop.h (struct loops): Remove unused field array. Reorder
3942 (LOOP_PREFETCH): Remove.
3944 2006-04-24 Richard Guenther <rguenther@suse.de>
3946 PR tree-optimization/22525
3947 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3948 variable, adjust types of generated expressions.
3950 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3952 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3953 (tree-vect-patterns.o): Likewise.
3955 (cselib.o): Likewise.
3956 (loop-doloop.o): Likewise.
3957 (regclass.o): Likewise.
3958 (reload1.o): Likewise.
3959 (explow.o): Replace target.h with $(TARGET_H).
3960 (ipa-prop.o): Likewise.
3961 (ipa-cp.o): Likewise.
3962 (ipa-inline.o): Likewise.
3963 (reorg.o): Likewise.
3964 (reg-stack.o): Likewise.
3966 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3968 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3970 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3972 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3974 * configure.ac: Completely disregard languages that are not
3976 * configure: Regenerated.
3979 * c-common.h (c_build_bitfield_integer_type): Declare.
3980 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3981 * c-common.c (c_build_bitfield_integer_type): ... here.
3983 2006-04-23 Roger Sayle <roger@eyesopen.com>
3986 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3987 a SImode SUBREG of a floating point register after no_new_pseudos.
3989 2006-04-23 Roger Sayle <roger@eyesopen.com>
3991 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3992 identify potentially eliminable registers to additionally catch
3993 VIRTUAL_INCOMING_ARGS_REGNUM.
3994 (addsi3): Update the conditions on when to use addsi_small_int.
3996 2006-04-23 Roger Sayle <roger@eyesopen.com>
3999 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4000 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4001 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4003 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4005 * fold-const.c (range_predecessor): Use operand_equal_p
4006 as the predicate for equality.
4007 (range_successor): Likewise.
4009 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4012 * config/soft-fp/op-common.h: Fix a typo.
4014 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4017 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4018 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4020 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4022 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4024 * doc/tm.texi: Fix a typo.
4026 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4028 * dwarf2out.c (struct die_struct): Document that die_sib makes
4029 a circular linked list.
4030 (FOR_EACH_CHILD): New.
4031 (reverse_die_lists): Delete.
4032 (reverse_all_dies): Delete.
4033 (add_dwarf_attr): Correct documentation.
4034 (remove_child_with_prev): New.
4035 (remove_child_TAG): Update for change to die_struct, use
4036 remove_child_with_prev.
4037 (add_child_die): Update for change to die_struct.
4038 (splice_child_die): Use remove_child_with_prev and add_child_die.
4039 (print_die): Use FOR_EACH_CHILD.
4040 (die_checksum): Likewise.
4041 (assign_symbol_names): Likewise.
4042 (output_location_lists): Likewise.
4043 (build_abbrev_table): Likewise.
4044 (calc_die_sizes): Likewise.
4045 (mark_dies): Likewise.
4046 (unmark_dies): Likewise.
4047 (unmark_all_dies): Likewise.
4048 (output_die): Likewise.
4049 (prune_unused_types_mark): Likewise.
4050 (prune_unused_types_walk): Likewise.
4051 (same_die_p): Update for change to die_struct.
4052 (break_out_includes): Likewise.
4053 (prune_unused_types_prune): Likewise.
4054 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4055 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4057 (dwarf2out_finish): Don't call reverse_all_dies.
4059 2006-04-21 Eric Christopher <echristo@apple.com>
4061 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4062 in comments and function names.
4064 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4067 * c-typeck.c (digest_init): Robustify.
4069 * c-typeck.c (pop_init_level): Simplify.
4071 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4073 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4075 2006-04-21 Paul Brook <paul@codesourcery.com>
4077 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4078 hardware floating point.
4080 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4082 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4085 2006-04-21 Nick Clifton <nickc@redhat.com>
4087 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4090 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4093 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4094 C++ lang type in traceback table for Objective-C++.
4096 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4098 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4100 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4102 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4105 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4106 were errors. Remove check for erroneous objects.
4108 2006-04-20 Jeff Law <law@redhat.com>
4110 PR tree-optimization/26854
4111 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4112 checking for zero or one use.
4113 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4114 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4115 * tree-ssa-reassoc.c (negate_value): Similarly.
4116 (reassociate_bb): Similarly.
4118 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4120 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4121 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4122 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4124 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4126 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4127 fp regs if the last fp arg doesn't fit in regs.
4129 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4132 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4133 that the last insn has the REG_INC note.
4135 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4136 Nathan Sidwell <nathan@codesourcery.com>
4139 * stor-layout.c (update_alignment_for_field): Do not align
4141 (place_union_field): Place union field at the start of the union.
4142 (place_field): Move ERROR_MARK check later, and use the current
4143 allocation position to maintain monotonicity.
4145 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4147 * dominance.c: Include timevar.h.
4148 (calculate_dominance_info): Use TV_DOMINANCE.
4149 * timevar.def (TV_DOMINANCE): New timevar.
4150 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4152 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4154 PR rtl-optimization/14261
4155 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4156 move would be an INSV insn.
4157 (noce_process_if_block): Don't optimize if the destination is a
4158 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4160 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4162 * config/s390/s390.md: Add comments with the instructions emitted
4163 by an insn pattern if macros are used.
4165 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4167 PR rtl-optimization/26026
4168 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4169 is a known power of two shifted left a variable amount.
4171 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4173 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4174 to hash table twice when the debug_str section has SECTION_MERGE.
4176 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4178 * config/soft-fp: New directory. From glibc.
4179 * config/soft-fp/t-softfp: New.
4180 * config/soft-fp/README: New.
4181 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4182 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4183 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4184 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4185 * config.gcc: Use rs6000/t-fprules-fpbit or
4186 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4188 * config/rs6000/sfp-machine.h: New. Based on glibc.
4189 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4191 * config/rs6000/t-fprules: Remove fp-bit rules.
4192 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4193 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4194 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4195 (softfp_wrap_start, softfp_wrap_end): New.
4197 2006-04-18 DJ Delorie <dj@redhat.com>
4199 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4201 2006-04-18 Devang Patel <dpatel@apple.com>
4203 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4205 2006-04-18 Nick Clifton <nickc@redhat.com>
4207 * config/sh/t-symbian: Add rule to build sh-c.o
4208 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4209 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4210 (sh_symbian_encode_section_info): Likewise.
4212 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4214 * builtins.c (expand_builtin_strcmp): Cover label definition of
4215 do_libcall with HAVE_cmpstrnsi.
4217 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4219 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4221 * function.h (temp_slot_p): New.
4222 (function): Change the type of x_used_temp_slots to
4223 VEC(temp_slot_p,gc) *.
4225 2006-04-18 Nick Clifton <nickc@redhat.com>
4227 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4228 flag_strength_reduce.
4230 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4232 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4236 Partial revert of revision 112637
4237 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4238 Dale Johannesen <dalej@apple.com>
4241 * regclass.c (struct reg_pref): Update documentation.
4242 (regclass): Set prefclass to NO_REGS if memory is the best option.
4243 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4245 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4247 PR tree-optimization/26821
4248 * tree-ssa-math-opts.c (get_constant_one): New.
4249 (insert_reciprocals): Use it.
4251 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4253 * dwarf2out.c (free_AT): Delete.
4254 (remove_AT): Update string ref counts.
4255 (remove_child_TAG): Don't call free_die.
4257 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4258 or DW_TAG_GNU_EINCL.
4259 (prune_unused_types_walk_attribs): Reset string refcounts.
4260 (prune_unused_types_update_strings): New.
4261 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4262 call free_die. Do call prune_unused_types_update_strings.
4263 (prune_unused_types): Empty debug_str_hash.
4265 2006-04-17 Roger Sayle <roger@eyesopen.com>
4267 * expr.c (expand_assignment): Optimize away no-op moves where the
4268 source and destination are equal and have no side-effects.
4270 2006-04-17 Richard Guenther <rguenther@suse.de>
4273 * reload.c (push_reload): Guard calls to get_secondary_mem
4276 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4278 * alias.c (reg_base_value, old_reg_base_value): Change the
4279 type to VEC(rtx,gc) *.
4280 (REG_BASE_VALUE, find_base_value, record_set,
4281 init_alias_analysis): Use VEC instead of VARRAY.
4283 * alias.c (alias_sets): Change the type to
4284 VEC(alias_set_entry,gc) *.
4285 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4286 VEC instead of VARRAY.
4287 (last_alias_set): Remove.
4289 * cgraph.h (cgraph_edge_p): New.
4290 Update the prototype of cgraph_function_versioning.
4291 * cgraphunit.c (cgraph_copy_node_for_versioning,
4292 cgraph_function_versioning): Use VEC instead of VARRAY.
4293 * ipa-cp.c (ipcp_insert_stage): Likewise.
4295 2006-04-16 Roger Sayle <roger@eyesopen.com>
4298 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4299 "A op B" or "A op C", we may need to convert A to the type of B and C.
4301 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4303 * target.h (struct gcc_target): Add mode_rep_extended.
4304 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4305 (init_num_sign_bit_copies_in_rep): Initialize it using
4307 (truncate_to_mode): Use it.
4308 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4309 * targhooks.h (default_mode_rep_extended): Declare it.
4310 * targhooks.c (default_mode_rep_extended): Define it.
4311 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4312 default_mode_rep_extended.
4313 (TARGET_INITIALIZER): Include it.
4314 * doc/tm.texi (Misc): Document it.
4315 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4316 (mips_truncated_to_mode): New function.
4318 2006-04-16 Roger Sayle <roger@eyesopen.com>
4321 * expr.c (compress_float_constant): Copy the narrow constant into
4322 a new pseudo before extending it to its final width.
4324 2006-04-16 Roger Sayle <roger@eyesopen.com>
4325 Andrew Pinski <pinskia@gcc.gnu.org>
4326 Dale Johannesen <dalej@apple.com>
4329 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4330 special case code to implement V8HImode and V16QImode with SSE2.
4332 2006-04-15 Roger Sayle <roger@eyesopen.com>
4334 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4335 trees are constructed with a suitable tree type.
4337 2006-04-15 Roger Sayle <roger@eyesopen.com>
4339 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4340 (integer_onep): Likewise.
4341 (integer_all_onesp): Likewise.
4342 (integer_pow2p): Likewise.
4343 (integer_nonzerop): Likewise.
4344 (real_zerop): Likewise.
4345 (real_onep): Likewise.
4346 (real_twop): Likewise.
4347 (real_minus_onep): Likewise.
4348 (int_size_in_bytes): Likewise.
4349 (host_integerp): Likewise.
4351 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4353 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4354 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4355 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4357 * tree-ssa-structalias.h (alias_info): Remove num_references.
4359 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4361 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4362 (output_bvb patterns): Likewise.
4363 * pa.c (output_bb): Use 'bb' insn for long branch case.
4364 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4365 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4366 1. Correct length operand for alternatives 1 and 2.
4367 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4368 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4370 2006-04-14 Roger Sayle <roger@eyesopen.com>
4372 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4373 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4374 were accidentally reverted by r112959.
4376 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4379 * except.h (eh_region_outermost): New prototype.
4380 * except.c (eh_region_outermost): New function.
4381 * tree-cfg.c (find_outermost_region_in_block): Use it.
4383 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4385 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4387 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4388 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4389 (init_reload, reload): Use VEC instead of VARRAY.
4390 * reload.h: Update the prototype for
4391 reg_equiv_memory_loc_varray.
4393 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4394 Eric Botcazou <ebotcazou@libertysurf.fr>
4396 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4399 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4402 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4403 to expand fallback builtin function call.
4405 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4408 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4409 and emit libcall here in case the builtin fails.
4410 (expand_builtin_strcmp): Always emit the libcall here on failure.
4412 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4414 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4415 * flow.c (reg_n_info): Change the type to
4416 VEC(reg_info_p,heap) *.
4417 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4419 * regs.h (reg_info_p): New.
4420 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4421 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4422 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4425 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4427 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4429 * params.h (MAX_SCHED_READY_INSNS): New macro.
4430 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4431 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4432 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4433 the ready list for 1 cycle during the first scheduling pass.
4434 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4436 2006-04-13 Richard Henderson <rth@redhat.com>
4439 * gimple-low.c (lower_omp_directive): Remove dead code.
4440 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4441 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4442 * omp-low.c (struct omp_region): Move to tree-flow.h.
4443 (root_omp_region): Export.
4444 (omp_regions, lookup_omp_region): Remove.
4445 (determine_parallel_type): Update for struct omp_region changes.
4446 (dump_omp_region): Dump regions with block numbers.
4447 (new_omp_region): Take type and block instead of stmt; malloc
4449 (free_omp_region_1, free_omp_regions): New.
4450 (expand_parallel_call): Take entry_stmt as argument; update for
4451 changes to omp_region.
4452 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4453 (remove_exit_barriers): New.
4454 (expand_omp_parallel): Update for struct omp_region changes.
4455 (expand_omp_synch): Likewise.
4456 (expand_omp): Likewise.
4457 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4458 (expand_omp_for_static_chunk): Likewise.
4459 (expand_omp_for): Likewise.
4460 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4461 (expand_omp_sections): Similarly, with GOMP_sections_end.
4462 (expand_omp_single): New.
4463 (build_omp_regions_1): Update for OMP_CONTINUE.
4464 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4465 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4466 OMP_SECTIONS_SECTIONS.
4467 (lower_omp_single_simple): Don't emit barrier here.
4468 (lower_omp_single_copy): Likewise.
4469 (lower_omp_single): Fix bindings, and lower to straightline now.
4470 (lower_omp_master, lower_omp_ordered): Likewise.
4471 (lower_omp_critical): Likewise.
4472 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4473 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4474 omp edges, free it afterward.
4475 (make_omp_sections_edges): Remove.
4476 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4477 (move_stmt_r): Handle OMP_CONTINUE.
4478 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4479 statement pointers to basic blocks. Add type member.
4480 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4481 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4482 * tree-inline.c (estimate_num_insns_1): Likewise.
4483 * tree-pretty-print.c (dump_generic_node): Likewise.
4484 * tree-ssa-operands.c (get_expr_operands): Likewise.
4485 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4486 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4487 (OMP_CONTINUE): New.
4488 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4489 (OMP_SECTIONS_SECTIONS): Remove.
4490 (OMP_SECTION_LAST): New.
4491 (OMP_RETURN_NOWAIT): New.
4493 2006-04-13 Roger Sayle <roger@eyesopen.com>
4495 * fold-const.c (native_encode_vector, native_interpret_real):
4496 Correct obvious mistakes in the previous check-in.
4498 2006-04-13 Roger Sayle <roger@eyesopen.com>
4500 * fold-const.c (native_encode_expr): New function to encode
4501 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4502 or VECTOR_CST into a specified buffer.
4503 (native_encode_int): New function.
4504 (native_encode_real): New function.
4505 (native_encode_complex): New function.
4506 (native_encode_vector): New function.
4507 (native_interpret_expr): Inverse of native_encode_expr to convert
4508 a target representation into an INTEGER_CST, REAL_CST etc...
4509 (native_interpret_int): New function.
4510 (native_interpret_real): New function.
4511 (native_interpret_complex): New function.
4512 (native_interpret_vector): New function.
4513 (fold_view_convert_expr): New function to constant fold/evaluate
4514 a VIEW_CONVERT_EXPR of a suitable constant expression.
4515 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4516 Change call of build1 to fold_build1 when constructing a
4519 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4520 Ulrich Weigand <uweigand@de.ibm.com>
4523 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4526 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4529 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4530 optimize to lo_sum for DFmode if !TARGET_FPRS.
4532 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4534 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4535 delete_alias_info, compute_flow_sensitive_aliasing,
4536 group_aliases): Use VEC instead of VARRAY.
4537 * tree-ssa-structalias.c (update_alias_info): Likewise.
4538 * tree-ssa-structalias.h (alias_info): Change the type of
4539 processed_ptrs to VEC(tree,heap) *.
4541 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4544 * config/sh/lib1funcs.h: New file, broken out of:
4545 * config/sh/lib1funcs.asm.
4546 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4548 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4549 * config/sh/lib1funcs-Os-4-200.asm: New file.
4550 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4551 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4552 (EXTRA_MULTILIB_PARTS): Include it.
4553 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4554 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4555 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4556 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4559 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4561 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4562 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4563 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4565 * tree-ssa-live.h: Include vecprim.h.
4566 (tree_partition_associator_d): Change the type of
4567 first_partition to VEC(int,heap) *.
4568 (tpa_first_partition): Use VEC instead of VARRAY.
4570 * Makefile.in (GTFILES): Move functions.h after tree.h.
4571 * function.c (reset_block_changes, record_block_change,
4572 check_block_change, free_block_changes): Use VEC instead of
4574 * function.h (function): Change the type of
4575 ib_boundaries_block to VEC(tree,gc) *.
4576 * tree-inline.c (copy_cfg_body): Initialize
4577 ib_boundaries_block to NULL instead of (varray_type) 0.
4579 2006-04-12 Roger Sayle <roger@eyesopen.com>
4581 * expr.c (emit_group_store): Correct operand order in call to
4582 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4583 a SUBREG_BYTE of zero.
4585 2006-04-12 Richard Guenther <rguenther@suse.de>
4587 * profile.c (compute_branch_probabilities): Remove code
4588 encapsulated in !ir_type (), which are remanents of the
4589 removed RTL profiling code.
4590 * rtl-profile.c: Remove.
4592 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4594 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4595 magic NULL_RTX comment.
4596 (function_arg): Store entire fp arg to mem if any part should go
4598 (rs6000_arg_partial_bytes): Adjust for above change.
4600 2006-04-11 Roger Sayle <roger@eyesopen.com>
4602 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4603 if it hasn't been initialized by dwarf2out_init.
4605 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4607 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4608 symbolic constants in branch patterns.
4610 2006-04-11 Roger Sayle <roger@eyesopen.com>
4612 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4614 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4616 PR rtl-optimization/27073
4617 * gcse.c (try_replace_reg): Revert last change. Continue to search
4618 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4621 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4623 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4624 aggregate types other than record and union types.
4625 (function_arg): Likewise.
4626 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4628 (function_value): In 64-bit mode, return objects that require it
4631 2006-04-11 Roger Sayle <roger@eyesopen.com>
4633 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4635 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4637 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4639 2006-04-03 Jeff Law <law@redhat.com>
4642 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4643 alias information too.
4645 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4647 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4649 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4652 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4653 (premark_used_types_helper): New.
4654 (premark_used_types): New.
4655 (gen_subprogram_die): Call premark_used_types.
4656 (prune_unused_types_walk): Do not prune perennial dies.
4657 * function.c (used_types_insert): New.
4658 * function.h (struct function): Add used_types_hash field.
4659 (used_types_insert): Add prototype.
4660 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4661 * c-parser.c (c_parser_cast_expression): Save casted types in used
4664 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4667 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4668 rs6000_explicit_options.float_gprs.
4670 2006-04-10 Roger Sayle <roger@eyesopen.com>
4672 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4673 from ix86_expand_vector_init_low_nonzero. Take an additional
4674 one_var argument indicating which element is non-zero. Support
4675 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4676 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4677 with one_var instead of ix86_expand_vector_init_low_nonzero.
4679 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4681 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4682 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4683 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4684 build/genextract.o): Depend on vecprim.h.
4685 * cfglayout.c, df-problems.c, function.c, genextract.c,
4686 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4687 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4691 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4693 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4694 Declare VECs of this type.
4695 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4696 (remove_children): Delete.
4697 (add_dwarf_attr): Use VEC routines.
4698 (add_AT_flag): Update for changes to add_dwarf_attr.
4699 (add_AT_int): Likewise.
4700 (add_AT_unsigned): Likewise.
4701 (add_AT_long_long): Likewise.
4702 (add_AT_vec): Likewise.
4703 (add_AT_string): Likewise.
4704 (add_AT_die_ref): Likewise.
4705 (add_AT_fde_ref): Likewise.
4706 (add_AT_loc): Likewise.
4707 (add_AT_loc_list): Likewise.
4708 (add_AT_addr): Likewise.
4709 (add_AT_lbl_id): Likewise.
4710 (add_AT_lineptr): Likewise.
4711 (add_AT_macptr): Likewise.
4712 (add_AT_offset): Likewise.
4713 (add_AT_range_list): Likewise.
4714 (get_AT): Use VEC_iterate.
4715 (remove_AT): Use VEC_ordered_remove.
4716 (free_die): Fold remove_children into here; have it use VEC_iterate.
4717 (print_die): Use VEC_iterate on attrs.
4718 (reverse_die_lists): Don't reverse attr lists.
4719 (die_checksum): Use VEC_iterate on attrs.
4720 (same_die_p): Likewise.
4721 (output_location_lists): Likewise.
4722 (build_abbrev_table): Likewise.
4723 (size_of_die): Likewise.
4724 (unmark_all_dies): Likewise.
4725 (output_abbrev_section): Likewise.
4726 (output_die): Likewise.
4727 (prune_unused_types_walk_attribs): Likewise.
4729 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4731 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4733 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4736 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4738 2006-04-09 Roger Sayle <roger@eyesopen.com>
4740 * expr.c (store_constructor): Don't bother clearing target if
4741 we're about to assign a vector to it using vec_init_optab.
4743 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4745 * tree-ssa-alias.c (lhs_may_store_to): New function.
4746 (recalculate_used_alone): Handle LHS of calls.
4748 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4752 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4753 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4754 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4755 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4756 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4757 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4758 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4759 stubs. Add ".align 8" directives before all ".dword" directives.
4760 (GTHREAD_USE_WEAK): Revise comment.
4761 (TARGET_ATTRIBUTE_WEAK): Define.
4762 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4763 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4764 * stublib.c: New file.
4769 * pa.md (cbranch patterns): Revise arguments used in calls to
4770 output_cbranch, output_bb and output_bvd. Add long branch length
4772 (fbranch patterns): Handle long branches.
4773 (jump): Revise length check. Revise arguments for output_lbranch call.
4774 Add long branch length attributes.
4775 (decrement_and_branch_until_zero): Add long branch length attributes.
4776 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4777 Likewise. Revise arguments for output_parallel_addb and
4778 output_parallel_movb calls.
4779 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4780 output_parallel_movb and output_parallel_addb): Update prototypes.
4781 * pa.c (output_cbranch): Revise arguments. Correct handling of
4782 nullification in long branches.
4783 (output_lbranch): Add new argument to control extraction of delay
4785 (output_bb): Handle long branches.
4786 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4787 output_parallel_addb): Likewise.
4789 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4791 PR rtl-optimization/27073
4792 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4795 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4797 * tree.h (tree_memory_tag): Add old_used_alone.
4798 (SMT_OLD_USED_ALONE): New macro.
4799 * tree-ssa-alias.c (recalculate_used_alone): Stop
4800 marking things for renaming unnecessarily.
4802 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4804 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4805 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4806 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4807 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4808 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4809 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4810 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4811 spelling convensions.
4812 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4813 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4814 typos. Follow spelling conventions.
4816 2006-04-07 DJ Delorie <dj@redhat.com>
4818 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4819 passed on the stack.
4820 (m32c_init_cumulative_args): When a function returns a structure,
4821 always pass the pointer to that return area on the stack.
4822 (m32c_function_arg_advance): Don't increment the parameter number
4823 if we're processing the returned structure pointer.
4824 (pushm_info): Reverse order of registers.
4826 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4828 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4829 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4830 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4831 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4833 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4834 chrec_fold_multiply): Same.
4835 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4836 force_expr_to_var_cost): Same.
4837 * tree-mudflap.c (mf_xform_derefs_1): Same.
4838 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4840 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4842 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4843 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4846 2006-04-07 Jan Hubicka <jh@suse.cz>
4848 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4850 2006-04-07 Richard Guenther <rguenther@suse.de>
4852 PR tree-optimization/26135
4853 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4854 loads for store copy-prop.
4855 (copy_prop_visit_stmt): Likewise.
4857 2006-04-05 Robert Millan <robertmh@gnu.org>
4859 * config/i386/linux.h: Add a comment to mark macros that are
4860 being overriden in config/k*bsd-gnu.h.
4861 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4863 * config/knetbsd-gnu.h: Ditto.
4865 2006-04-06 Jan Hubicka <jh@suse.cz>
4869 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4872 2006-04-06 Mike Stump <mrs@apple.com>
4874 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4875 for HAVE_nonlocal_goto to be consistent.
4876 (expand_builtin_nonlocal_goto): Likewise.
4877 (expand_builtin_strcmp): Use #ifdef instead of #if
4878 for HAVE_cmpstrnsi to be consistent.
4880 2006-04-05 DJ Delorie <dj@redhat.com>
4882 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4885 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4887 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4888 got-relative addressing for anything but SImode.
4890 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4891 even if the calling function doesn't modify them.
4893 2006-04-05 Richard Guenther <rguenther@suse.de>
4895 PR tree-optimization/26919
4896 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4897 to cgraph_estimate_size_after_inlining.
4899 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4901 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4903 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4905 PR tree-optimization/26996
4906 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4907 VECTOR_TYPE variables.
4909 2006-04-05 Richard Guenther <rguenther@suse.de>
4911 PR tree-optimization/26763
4912 * fold-const.c (fold_comparison): Move folding of
4913 PTR + CST CMP PTR + CST ...
4914 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4916 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4918 * doc/install.texi (Prerequisites): Refine some wording on
4919 bootstrapping and ksh.
4920 Move the version numbers of DejaGnu here from the testing section
4921 and fix casing of names.
4922 Fix markup and clarify wording for autogen requirements.
4923 Refer to GCJ instead of just java.
4924 Refer to SVN instead of CVS.
4925 Describe diffutils as useful instead of necessary.
4926 (Downloading the source): Refer to SVN instead of CVS.
4927 Adjust a link to our web site accordingly.
4928 (Configuration): Fix casing of Bison.
4929 (Building): Refer to SVN instead of CVS.
4930 Fix a sentence on the use of Bison and remove duplicate (and
4931 incorrect) version number of Bison requirement.
4932 Remove one redundant list of packages needed for building.
4933 (Specific): Avoid reference to CVS.
4935 2006-04-04 Eric Christopher <echristo@apple.com>
4937 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4938 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4939 (rs6000_handle_struct_attribute): New.
4940 (rs6000_ms_bitfield_layout_p): Ditto.
4942 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4944 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4945 NULL for dso parameter to atexit_common.
4947 2006-04-04 Eric Christopher <echristo@apple.com>
4949 * config/i386/i386.c (machopic_output_stub): Output \t
4950 between instructions and operands.
4952 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4954 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4955 satisfies_constraint_[IL] to explicit tests on value.
4957 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4959 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4960 set_nb_iterations_in_loop): Use build_int_cst instead of
4962 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4963 build_int_cst instead of convert.
4965 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4967 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4968 new value 2 for incoming.
4969 * function.c (expand_function_start): Call struct_value_rtx
4971 * config/sparc/sparc.md: Comment updated_return.
4972 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4973 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4974 struct return if sparc_std_struct_return and incoming is 2.
4975 (print_operand): Do not adjust return if
4976 sparc_std_struct_return.
4978 2006-04-04 Roger Sayle <roger@eyesopen.com>
4980 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4981 convert in the middle-end.
4982 * expr.c (store_expr, store_constructor, get_inner_reference,
4983 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4985 * tree.c (build_range_type): Likewise.
4987 2006-04-04 Tom Tromey <tromey@redhat.com>
4989 * doc/install.texi (Prerequisites): Mention jar.
4991 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4993 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4996 2006-04-04 Matthias Klose <doko@debian.org>
4998 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4999 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5002 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5004 * doc/extend.texi (Function Attributes): Rewrite visibility
5005 attribute documentation.
5006 * doc/invoke.texi (C++ Dialect Options): Rewrite
5007 -fvisibility-inlines-hidden documentation to describe something
5008 entirely different, although in practise compatible.
5009 (Code Gen Options): Warn about system headers in -fvisibility=
5012 * doc/extend.texi (Other Builtins): Document that
5013 __builtin_nan is a compile-time constant only when its argument
5016 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5018 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5019 trying to remove TRUNCATE check if all bits outside the new mode
5020 are identical to the sign bit.
5022 2006-04-03 Jeff Law <law@redhat.com>
5024 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5025 and operand scanning in some common cases.
5027 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5028 Dale Johannesen <dalej@apple.com>
5031 * regclass.c (struct reg_pref): Update documentation.
5032 (regclass): Set prefclass to NO_REGS if memory is the best option.
5033 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5034 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5035 into account. For non-registers, equate an empty preferred
5036 reload class to a `!' in the constraint; move the if clause to
5037 do so after those that reject the insn.
5038 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5040 (find_dummy_reload): Likewise.
5041 * doc/tm.texi (Register Classes): Document what it means
5042 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5043 * config/i386/i386.c (ix86_preferred_reload_class): Force
5044 using SSE registers (and return NO_REGS for floating-point
5045 constants) if math is done with SSE.
5046 (ix86_preferred_output_reload_class): New.
5047 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5048 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5049 * config/i386/i386.md: Remove # register preferences.
5051 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5054 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5055 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5056 the type of nb_iter.
5057 (instantiate_parameters_1): Convert the operands before calling
5058 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5059 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5061 2006-04-02 Roger Sayle <roger@eyesopen.com>
5063 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5064 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5066 * dojump.c (do_jump): Likewise.
5067 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5068 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5069 gimplify_boolean_expr): Likewise.
5070 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5071 * varasm.c (array_size_for_constructor): Likewise.
5072 * tree-object-size.c (compute_object_offset): Likewise.
5074 2006-04-02 Roger Sayle <roger@eyesopen.com>
5077 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5078 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5080 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5082 PR tree-optimization/26939
5083 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5085 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5087 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5088 at_stmt. Convert the type of operands before calling
5089 build_polynomial_chrec.
5090 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5092 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5093 (instantiate_parameters_1): Convert the type of operands before calling
5094 build_polynomial_chrec.
5095 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5096 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5097 reset_evolution_in_loop): Insert asserts to check the types of the
5099 (chrec_type): Moved...
5100 (eq_evolutions_p): Use operand_equal_p.
5101 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5102 the types of the operands.
5103 (chrec_type): ...here.
5104 * tree-data-ref.c (create_data_ref): Convert the operands before
5105 calling chrec_replace_initial_condition.
5106 (same_access_functions, analyze_subscript_affine_affine,
5107 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5108 (compute_subscript_distance, analyze_ziv_subscript,
5109 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5110 analyze_miv_subscript): Convert the operands before calling
5111 chrec_fold_minus or chrec_fold_plus.
5113 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5115 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5116 the dependence_relations vector.
5117 (compute_data_dependences_for_loop): Adjust call to
5118 compute_all_dependences.
5120 2006-04-01 Roger Sayle <roger@eyesopen.com>
5121 Richard Henderson <rth@redhat.com>
5123 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5124 gimple_boolify on the condition before calling gimplify_expr.
5126 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5128 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5129 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5130 the frame size. Update to use the new macros.
5131 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5132 * config/xtensa/ieee754-df.S: Likewise.
5134 2006-03-31 Richard Henderson <rth@redhat.com>
5136 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5137 (make_edges): ... here. Control fallthru creation with a local
5138 variable. Do not play with fake edges.
5139 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5140 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5143 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5145 * dwarf2.h (DW64_CIE_ID): Define.
5146 * dwarf2out.c (DWARF_CIE_ID): Define.
5147 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5148 length header. Use DWARF_CIE_ID.
5149 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5150 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5152 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5154 * config/sh/linux-atomic.asm: New file.
5155 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5157 2006-03-31 DJ Delorie <dj@redhat.com>
5159 * config/m32c/cond.md: Set condition flags properly throughout.
5160 * config/m32c/minmax.md: Likewise.
5161 * config/m32c/prologue.md: Likewise.
5162 * config/m32c/bitops.md: Likewise.
5163 * config/m32c/muldiv.md: Likewise.
5164 * config/m32c/mov.md: Likewise.
5165 * config/m32c/addsub.md: Likewise.
5166 * config/m32c/m32c.md: Likewise.
5167 * config/m32c/jump.md: Likewise.
5168 * config/m32c/shift.md: Likewise.
5170 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5171 conditionally output the pattern for this.
5172 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5173 (m32c_compare_redundant): New.
5174 (m32c_output_compare): New.
5175 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5177 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5178 dest, not src. Allow other 4-byte modes.
5180 2006-03-30 Denis Chertykov <denisc@overta.ru>
5182 * doc/md.texi: Refer to avr/constraints.md instead of
5185 2006-03-30 Roger Sayle <roger@eyesopen.com>
5187 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5188 signed vs. unsigned comparison failures on some hosts.
5190 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5193 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5194 change to FLOAT_REGS.
5196 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5197 (rs6000_override_options): Use it.
5198 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5199 only for -mabi=spe/no-spe and -mabi=altivec.
5201 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5203 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5206 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5208 * Makefile.in: Rename docdir to gcc_docdir.
5210 2006-03-30 Roger Sayle <roger@eyesopen.com>
5213 * expr.c (emit_group_store): Optimize group stores into a pseudo
5214 register by using a paradoxical subreg to initialize the destination
5215 if the first or last member of the group specifies a "low part".
5217 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5220 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5221 * target.h (struct gcc_target.speculate_insn): Change type of the
5222 second parameter to 'int'.
5223 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5224 the second operand of the DEPS_LIST.
5225 (copy_DEPS_LIST_list): Update reference to the second operand of the
5227 * rtl.h (alloc_DEPS_LIST): Update signature.
5228 * sched-int.h (ds_t): Change typedef to 'int'.
5229 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5231 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5233 * haifa-sched.c (try_ready): Change condition to restore
5234 non-speculative pattern of the instruction.
5235 (process_insn_depend_be_in_spec): Code to keep probability of the
5236 speculative dependence non-decreasing.
5238 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5240 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5241 (single_move_for_movmem): ... this. Also change all uses.
5242 (bfin_expand_strmov): Renamed to...
5243 (bfin_expand_movmem): ... this. Also change all uses.
5244 * config/bfin/bfin.md (movstrsi): Renamed to...
5245 (movstrsi): ...this.
5247 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5249 PR tree-optimization/26830
5251 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5252 (copy_prop_visit_stmt): Remove write-only variable ann.
5253 (init_copy_prop): Check variable loop depth here. Do not simulate
5254 memory-tag and virtual operand PHIs except for store copy prop.
5256 2006-03-30 Richard Guenther <rguenther@suse.de>
5258 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5259 variants with double arguments.
5261 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5263 * genpreds.c (write_tm_constrs_h): Delete variable p.
5264 * genconditions.c (write_header): Add tm-constrs.h to included
5266 * genpeep.c (main): Add toplev.h to included headers.
5267 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5268 (build/genpeep.o): Add toplev.h dependency.
5269 * config/rs6000/constraints.md: Add "W" constraint.
5271 2006-03-29 Roger Sayle <roger@eyesopen.com>
5273 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5274 sizes by correctly testing whether the size fits a host integer.
5275 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5276 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5277 SImode range for the default sizetype and bitsizetype.
5279 2006-03-29 Roger Sayle <roger@eyesopen.com>
5281 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5282 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5283 quickly if the argument is already of the correct type.
5284 Call fold_build1 instead of build1. Tidy up blank lines.
5286 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5288 * genemit.c (main): Add tm-constrs.h to included headers.
5289 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5290 * genpeep.c (main): Add tm-constrs.h to included headers.
5291 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5292 (write_tm_constrs_h): this and write complete file.
5293 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5294 (write_insn_preds_c): Add tm-constrs.h to included headers.
5295 (gen_constrs): New variable.
5296 (parse_option): Parse "-c".
5297 (main): Invoke write_tm_constrs_h.
5298 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5299 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5300 (object_out_file): Add tm-constrs.h dependency.
5301 (insn-emit.o): Same.
5302 (insn-output.o): Same.
5303 (insn-peep.o): Same.
5304 (insn-preds.o): Same.
5305 (insn-recog.o): Same.
5306 (tm-constsr.h): New target.
5307 (s-constrs-h): New target.
5309 * config/rs6000/constraints.md: New file.
5310 * config/rs6000/rs6000.c: Include tm-constrs.h.
5311 (num_insn_constant_wide): Convert to satisfies_constraint.
5312 (rs6000_rtx_costs): Convert to satisfies_constraint.
5313 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5314 (CONST_OK_FOR_LETTER_P): Delete.
5315 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5316 (EXTRA_CONSTRAINT): Delete.
5317 (EXTRA_MEMORY_CONSTRAINT): Delete.
5318 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5319 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5320 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5321 satisfies_constraint.
5323 * config/i386/i386.c: Include tm-constrs.h.
5325 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5327 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5328 * tree-data-ref.c (find_data_references_in_loop,
5329 compute_data_dependences_for_loop): Use pointers to VEC.
5330 (analyze_all_data_dependences): Adjust calls.
5331 * tree-data-ref.h (find_data_references_in_loop,
5332 compute_data_dependences_for_loop): Adjust declarations.
5333 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5334 compute_data_dependences_for_loop.
5336 2006-03-29 Paul Brook <paul@codesourcery.com>
5338 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5341 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5343 PR tree-optimization/26859
5344 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5346 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5347 for the step after fold_convert.
5349 2006-03-29 Paul Brook <paul@codesourcery.com>
5351 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5352 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5354 2006-03-29 Paul Brook <paul@codesourcery.com>
5357 * targhooks.c (default_narrow_bitfield): New fuction.
5358 * targhooks.h (default_narrow_bitfield): add prototype.
5359 * target.h (gcc_target): Add narrow_volatile_bitfield.
5360 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5361 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5362 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5363 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5365 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5367 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5369 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5370 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5371 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5372 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5373 (s390_function_arg_float): Allow SDmode and DDmode values to be
5374 passed in floating point registers.
5375 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5376 check with SCALAR_FLOAT_MODE_P.
5377 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5379 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5381 PR tree-optimization/25985
5382 * tree-ssa-loop-niter.c (number_of_iterations_le,
5383 number_of_iterations_ne): Make comments more precise.
5384 (number_of_iterations_cond): Add only_exit argument. Use the
5385 fact that signed variables do not overflow only when only_exit
5387 (loop_only_exit_p): New.
5388 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5389 number_of_iterations_cond.
5391 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5393 PR tree-optimization/26643
5394 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5397 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5399 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5400 (divsi3_i4_int): Likewise.
5402 2006-03-28 Roger Sayle <roger@eyesopen.com>
5404 * expr.c (emit_group_store): Only create a new pseudo reg if the
5405 quantity it needs to hold isn't already a suitable pseudo.
5407 2006-03-28 Jeff Law <law@redhat.com>
5409 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5410 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5412 2006-03-28 Roger Sayle <roger@eyesopen.com>
5414 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5415 the equivalent ~X & Y, and the symmetry related transformations.
5416 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5417 ~X & Y, and symmetry related transforms.
5419 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5421 Revert my 2006-03-27 patches.
5423 2006-03-28 Roger Sayle <roger@eyesopen.com>
5425 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5426 ~(T1)X, when T1 and T2 are integer types of the same precision
5427 and (T2)X isn't an extension.
5429 2006-03-28 Jeff Law <law@redhat.com>
5431 PR tree-optimization/26796
5432 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5433 need EH edge cleanups rather than purging them immediately.
5434 (eliminate_degenerate_phis): Handle queued EH cleanups.
5436 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5438 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5441 2006-03-27 Roger Sayle <roger@eyesopen.com>
5444 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5445 cast BIT_NOT_EXPR operand to the correct type.
5447 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5449 * tree-loop-linear.c: Don't include varray.h.
5450 (gather_interchange_stats, try_interchange_loops,
5451 linear_transform_loops): Use VEC instead of VARRAY.
5452 * lambda-mat.c: Don't include varray.h.
5453 * tree-chrec.c: Same.
5454 * lambda-trans.c: Same.
5455 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5456 VEC instead of VARRAY.
5457 * tree-vectorizer.h: Idem.
5458 * tree-data-ref.c (dump_data_references,
5459 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5460 initialize_data_dependence_relation, finalize_ddr_dependent,
5461 compute_all_dependences, find_data_references_in_loop,
5462 compute_data_dependences_for_loop, analyze_all_data_dependences,
5463 free_dependence_relation, free_dependence_relations,
5464 free_data_refs): Idem.
5465 * tree-data-ref.h (data_reference_p, subscript_p): New.
5466 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5467 VEC instead of VARRAY.
5468 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5469 (find_data_references_in_loop, compute_data_dependences_for_loop,
5470 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5471 dump_data_dependence_relations, free_dependence_relations,
5472 free_data_refs): Adjust declaration.
5473 (lambda_transform_legal_p): Move declaration here...
5474 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5475 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5476 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5477 vect_analyze_data_refs): Use VEC instead of VARRAY.
5478 * lambda.h (lambda_transform_legal_p): ...from here.
5479 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5480 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5481 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5482 tree-chrec.o): Don't depend on VARRAY_H.
5484 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5486 * rtl.def (Copyright): Update date.
5487 (DEPS_LIST): Change type of the second operand to 'int'.
5488 * target.h (Copyright): Update date.
5489 (struct gcc_target.speculate_insn): Change type of the second parameter
5491 * lists.c (Copyright): Update date.
5492 (alloc_DEPS_LIST): Change signature. Update reference to the second
5493 operand of the DEPS_LIST.
5494 (copy_DEPS_LIST_list): Update reference to the second operand of the
5496 * rtl.h (Copyright): Update date.
5497 (alloc_DEPS_LIST): Update signature.
5498 * sched-int.h (Copyright): Update date.
5499 (ds_t): Change typedef to 'int'.
5500 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5502 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5504 * haifa-sched.c (Copyright): Update date.
5505 (try_ready): Change condition to restore non-speculative pattern
5507 (process_insn_depend_be_in_spec): Code to keep probability of the
5508 speculative dependence non-decreasing.
5510 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5512 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5513 shut up the compiler.
5515 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5517 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5518 to use lib prefix for target.
5519 ($(T)libic_invalidate_array_4-200.a): Likewise.
5520 ($(T)libic_invalidate_array_4a.a): Likewise.
5522 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5523 J"orn Rennecke <joern.rennecke@st.com>
5525 * superh.opt: New file.
5526 * sh.c (boardtype, osruntime): Remove.
5527 * superh.h (SUBTARGET_OPTIONS): Remove.
5528 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5530 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5531 arguments with ^ and/or [].
5533 * config.gcc (sh-*-*): Add quoting to account for quirk of
5535 Replace == with = in enable_incomplete_targets test.
5537 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5538 with MASK_LITTLE_ENDIAN.
5540 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5541 * config/sh/sh.opt: Added to some comments.
5542 * config/sh/superh.h: Removed some chaff.
5544 * config/sh/sh.opt: Add m4-[1234]00* options.
5545 * config/sh/sh.c (sh_handle_option): Likewise.
5546 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5547 (ic_invalidate_array_4-100.o): New rule.
5548 ($(T)libic_invalidate_array_4-100.a): Likewise.
5549 (ic_invalidate_array_4-200.o): Likewise.
5550 ($(T)libic_invalidate_array_4-200.a): Likewise.
5551 (ic_invalidate_array_4a.o): Likewise.
5552 ($(T)libic_invalidate_array_4a.a): Likewise.
5553 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5554 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5556 * config/sh/crt1.asm: Merged in profiling code.
5557 * config/sh/superh.h (STARTFILE_SPEC): Override.
5558 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5559 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5560 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5562 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5563 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5564 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5566 * sh.opt (mpretend-cmove): New option.
5567 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5568 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5569 (movsicc): Add TARGET_PRETEND_CMOVE code.
5571 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5573 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5574 s390_class_max_nregs): New function prototypes.
5575 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5576 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5577 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5578 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5580 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5582 * dwarf2out.c (add_location_or_const_value_attribute): Call
5583 tree_add_const_value_attribute if nothing else works.
5584 (reference_to_unused): New.
5585 (rtl_for_decl_init): Use reference_to_unused to decide whether
5586 to output an initializer.
5588 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5591 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5592 peephole removing spe frob_di_df_2.
5594 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5596 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5597 (subscript_dependence_tester_1): Declared.
5598 (print_dir_vectors, print_dist_vectors): New.
5599 (debug_data_dependence_relation): New.
5600 (dump_data_dependence_relation): Print more details.
5601 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5602 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5603 (save_dist_v, save_dir_v, add_outer_distances,
5604 build_classic_dist_vector_1): New.
5605 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5606 Don't test for lambda_vector_lexico_pos.
5607 (same_access_functions, add_multivariate_self_dist,
5608 add_other_self_distances, dir_from_dist): New.
5609 (build_classic_dir_vector): Replace implementation almost identical to
5610 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5612 (subscript_dependence_tester_1): New.
5613 (subscript_dependence_tester): Handle the lexicographically negative
5614 distance vectors by recomputing the dependence relation.
5615 (compute_affine_dependence): Remove parameter loop_nest_depth.
5616 (compute_self_dependence): Don't call compute_subscript_distance.
5617 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5618 Add a parameter for the loop_nest.
5619 (find_loop_nest_1, find_loop_nest): New.
5620 (compute_data_dependences_for_loop): Compute the loop nest, and give
5621 up if the nest is not well formed.
5622 * tree-data-ref.h (loop_p): New.
5623 (struct data_dependence_relation): Replace size_vect field with
5624 loop_nest, a vec of loops.
5625 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5626 (DDR_LOOP_NEST): New.
5627 (print_dir_vectors, print_dist_vectors,
5628 debug_data_dependence_relation): Declared.
5629 (index_in_loop_nest): New.
5630 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5631 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5634 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5636 * simplify-rtx.c (simplify_relational_operation): Call
5637 simplify_relational_operation_1 even if mode is VOIDmode.
5639 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5641 PR tree-optimization/26804
5642 * tree.h (DECL_CALL_CLOBBERED): New macro.
5643 (tree_decl_common): Add call_clobbered_flag.
5644 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5645 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5646 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5647 (mark_non_addressable): Ditto.
5648 * tree-ssa.c (verify_call_clobbered): New function.
5649 (verify_alias_info): Use it.
5650 * tree-pass.h (pass_reset_cc_flags): New prototype.
5651 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5652 (reset_cc_flags): New function.
5653 * passes.c (init_optimization_passes): Call reset_cc_flags after
5654 initializing referenced_vars.
5656 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5657 Roger Sayle <roger@eyesopen.com>
5660 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5661 to 1.0 for non-real operands. Implement A / A optimization for
5664 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5666 * config/i386/i386.c (size_cost): Correct the comment for
5667 cost of storing fp registers.
5668 (i386_cost): Likewise.
5669 (i486_cost): Likewise.
5670 (pentium_cost): Likewise.
5671 (pentiumpro_cost): Likewise.
5672 (k6_cost): Likewise.
5673 (athlon_cost): Likewise.
5674 (k8_cost): Likewise.
5675 (pentium4_cost): Likewise.
5676 (nocona_cost): Likewise.
5677 (generic64_cost): Likewise.
5678 (generic32_cost): Likewise.
5680 2006-03-24 Denis Chertykov <denisc@overta.ru>
5682 * config/avr/avr-protos.h (extra_constraint): Delete.
5683 (extra_constraint_Q): New declaration.
5684 * config/avr/constraints.md: New file.
5685 * config/avr/avr.md: Include it.
5686 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5687 (TMP_REGNO, ZERO_REGNO): Likewise.
5688 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5689 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5690 (extra_constraint): Delete.
5691 (extra_constraint_Q): Test for memory constraint 'Q'.
5692 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5693 (REG_CLASS_FROM_LETTER): Delete.
5694 (CONST_OK_FOR_LETTER_P): Delete.
5695 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5696 (EXTRA_CONSTRAINT): Delete.
5697 (TMP_REGNO): Delete.
5698 (ZERO_REGNO): Delete.
5700 2006-03-24 Jeff Law <law@redhat.com>
5702 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5703 directly. Call mark_new_vars_to_rename slightly earlier.
5705 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5707 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5709 (gen_compile_unit_die): Use new language types for Objective-C and
5711 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5712 DW_LANG_C_plus_plus.
5715 * config/t-darwin (crt3.o): Work around bug 26840.
5716 * config/darwin-crt3.c: Rewrite.
5717 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5719 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5721 * doc/invoke.texi: Document -femit-class-debug-always
5722 * common.opt: Add -femit-class-debug-always.
5724 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5726 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5727 index and base register.
5728 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5729 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5730 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5731 REGNO_OK_FOR_INDEX_P.
5732 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5734 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5735 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5736 REG_OK_FOR_BASE_P): Definitions removed.
5738 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5741 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5742 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5743 set yet or weren't marked as local yet.
5745 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5747 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5750 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5752 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5753 (rs6000_legitimate_small_data_p): Delete.
5754 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5755 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5756 and make static. Add forward declaration. Update uses.
5757 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5758 of offsettable_memref_p.
5759 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5760 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5762 2006-03-24 Jeff Law <law@redhat.com>
5764 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5765 around bug in immediate-use iterator.
5767 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5770 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5771 or __LITTLE_ENDIAN__.
5773 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5775 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5776 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5777 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5778 * config/sh/sh.opt (mdiv=): Amend description.
5779 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5780 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5781 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5782 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5783 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5784 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5785 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5786 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5787 TARGET_DIVIDE_CALL_FP.
5789 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5791 * haifa-sched.c (choose_ready): Fix type of the local variable.
5792 Move local variables. Add comment.
5793 (check_reg_live): Change signature. Make callable from debugger.
5794 * sched-int.h (check_reg_live): Update signature.
5795 * sched-ebb.c (check_reg_live): Update parameters.
5796 * sched-rgn.c (check_reg_live): Ditto.
5797 (region_head_or_leaf_p): Check pointer before dereferencing.
5798 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5799 before reload on optimization levels below 1.
5801 2006-03-23 Richard Henderson <rth@redhat.com>
5803 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5807 * config/alpha/predicates.md (local_symbolic_operand): Reject
5810 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5813 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5814 expressions which have overflowed constants.
5816 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5818 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5820 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5822 * cfgloopmanip.c (create_loop_notes): Removed.
5823 * final.c (final_scan_insn): Do not handle loop notes.
5824 * jump.c (squeeze_notes): Ditto.
5825 * cfglayout.c (skip_insns_after_block,
5826 duplicate_insn_chain): Ditto.
5827 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5829 * cfgloop.h (create_loop_notes): Declaration removed.
5831 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5833 * varasm.c (output_constant_pool): Restore fnname and fndecl
5835 (assemble_start_function): Adjust call accordingly.
5836 (assemble_end_function): Likewise.
5838 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5841 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5844 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5846 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5849 * system.h (ICE_EXIT_CODE): New macro.
5850 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5851 (diagnostic_action_after_output): Likewise.
5852 * gcc.c (fatal_ice): New function.
5853 (execute): Use it instead of fatal.
5854 (fancy_abort): Likewise.
5855 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5857 2006-03-22 Jeff Law <law@redhat.com>
5859 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5860 iv_analyze_result returning false.
5862 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5864 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5866 2006-03-22 Richard Henderson <rth@redhat.com>
5869 * except.c (duplicate_eh_regions_0): New.
5870 (duplicate_eh_region_1): Duplicate the children of the node as
5871 well as the node itself. Link them up properly.
5872 (duplicate_eh_region_2): Merge into ...
5873 (duplicate_eh_regions): ... here. Take copy_region argument, and
5874 copy only a sub-tree if asked. Simplify copying and fixup.
5875 (eh_region_outer_p): New.
5876 * except.h (duplicate_eh_regions): Update decl.
5877 (eh_region_outer_p): Declare.
5878 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5879 (lower_omp_master): Likewise.
5880 (lower_omp_ordered): Likewise.
5881 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5882 (move_stmt_r): Use it to remap labels. Handle recursion vs
5883 remap_decls_p properly.
5884 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5885 (find_outermost_region_in_block): New.
5886 (new_label_mapper): New.
5887 (move_sese_region_to_fn): Copy eh information to the new function
5889 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5891 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5894 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5896 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5897 into shared libraries.
5899 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5901 * doc/md.texi: Refer to i386/constraints.md instead of
5903 * config/i386/constraints.md: New file, extracted from...
5904 * config/i386/predicates.md: ...here.
5905 * config/i386/i386.md: Include constraints.md.
5907 2006-03-21 Jason Merrill <jason@redhat.com>
5909 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5912 * expr.c (init_block_move_fn): Force default visibility.
5913 (init_block_clear_fn): Likewise.
5914 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5915 * targhooks.c (default_external_stack_protect_fail): Likewise.
5917 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5919 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5920 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5921 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5922 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5923 (loadgp): Use mips_current_loadgp_style.
5924 (loadgp_noshared): New pattern.
5925 (sibcall_internal): Use MIPS_CALL.
5926 (sibcall_value_internal): Likewise.
5927 (sibcall_value_multiple_internal): Likewise.
5928 (call_internal): Likewise.
5929 (call_value_internal): Likewise.
5930 (call_value_multiple_internal): Likewise.
5931 (call_split): Use MIPS_CALL and add an 'S' constraint.
5932 (call_value_split): Likewise.
5933 (call_value_multiple_split): Likewise.
5934 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5935 (-mshared): New option.
5936 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5937 (mips_current_loadgp_style): Declare.
5938 * config/mips/mips.c (mips_classify_symbol): Avoid using
5939 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5940 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5941 TARGET_ABSOLUTE_ABICALLS.
5942 (override_options): Adjust comments. Improve the warning that is
5943 issued when -mabicalls and -G are used together.
5944 (mips_file_start): Remove comment.
5945 (mips_current_loadgp_style): New function.
5946 (mips_gnu_local_gp): New variable.
5947 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5949 (mips_output_function_prologue): Use mips_current_laodgp_style.
5950 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5951 the cprestore instruction.
5952 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5953 live for TARGET_ABSOLUTE_ABICALLS.
5954 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5955 (ASM_SPEC): Pass down -mshared and -mno-shared.
5956 (MIPS_CALL): New macro.
5957 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5959 * doc/invoke.texi (-mabicalls): Update documentation.
5960 (-mshared): Document.
5962 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5964 * config/ia64/unwind-hpux.c: New file.
5965 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5967 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5970 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5972 2006-03-21 Jeff Law <law@redhat.com>
5974 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5975 type conversions of a VR_VARYING source to a wider type.
5977 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5979 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5980 tm_file on Solaris 10 and later.
5981 (sparc64-*-solaris2*): Likewise.
5982 (sparc-*-solaris2*): Likewise.
5983 * config/sol26.h: Rename to config/sol2-6.h.
5984 * config/sol2-10.h: New file.
5986 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5989 * tree-ssa-pre.c (create_component_ref_by_pieces):
5992 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5995 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5996 return it immediately.
5998 2006-03-21 Michael Matz <matz@suse.de>
6000 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6002 (remove_arc, add_arc): Update num_out_arcs member.
6003 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6005 (cache_presence): New function.
6006 (compare_states_for_equiv): New function.
6007 (state_is_differed): Don't take number of outargs, adjust callers.
6008 Use new invariant for speeding up.
6009 (init_equiv_class): Create initial classes based on sorted
6011 (partition_equiv_class): Don't track out_arcs_num.
6012 (evaluate_equiv_classes): Call cache_presence on all states and
6015 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6017 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6018 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6019 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6020 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6022 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6023 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6024 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6025 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6026 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6028 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6029 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6030 (REGNO_REG_CLASS): ARGP is in PREGS.
6031 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6033 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6034 to deal with those addresses.
6035 * addresses.h: New file.
6036 * caller-save.c: Include "addresses.h".
6037 (init_caller_save): Use new base_reg_class function.
6038 * rtl-factoring.c: Include "addresses.h".
6039 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6040 * recog.c: Include "addresses.h".
6041 (preprocess_constraints): Use new base_reg_class function.
6042 * regrename.c: Include "addresses.h".
6043 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6044 functions. Keep track of a new var INDEX_CODE to compute valid
6046 (replace_oldest_value_addr): Likewise.
6047 (replace_oldest_value_mem): Use base_reg_class.
6048 * reload.c: Include "addresses.h".
6049 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6050 (find_reloads): Use new base_reg_class function.
6051 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6052 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6053 all callers and prototype changed.
6054 * reload1.c: Include "addresses.h".
6055 (maybe_fix_stack_asms): Use base_reg_class.
6056 * regclass.c: Include "addresses.h".
6057 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6058 (init_reg_autoinc): Use new base_reg_class function.
6059 (record_reg_classes): Likewise.
6060 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6061 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6062 Use new args to compute necessary class.
6064 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6065 regrename.o, rtl-factoring.o): Update dependencies.
6066 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6067 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6068 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6069 REG_OK_FOR_INDEX_P): Delete documentation.
6071 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6073 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6074 from V7 to V9 for Solaris 7 and above.
6076 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6078 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6079 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6080 argument pointers may not alias any other storage.
6081 * common.opt: Define option -fargument-noalias-anything.
6082 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6083 alias semantics is specified by flag_argument_noalias > 2.
6085 2006-03-20 Jeff Law <law@redhat.com>
6087 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6088 (pass_phi_only_cprop): Declare.
6089 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6091 * tree-ssa-dom.c (degenerate_phi_result): New function.
6092 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6093 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6094 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6095 (eliminate_degenerate_phis): Likewise.
6096 (pass_phi_only_cprop): New pass descriptor.
6097 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6098 support code. Callers updated.
6099 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6100 (store_copy_prop): Likewise.
6101 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6103 2006-03-20 Jason Merrill <jason@redhat.com>
6106 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6107 (push_visibility, pop_visibility): Likewise.
6108 * c-pragma.h: Declare them.
6110 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6112 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6114 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6115 parameter and use get_ebb_head_tail.
6116 (sh_md_init_global): Adjust uses of find_regmode_weight.
6118 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6120 * function.h (struct function) <x_tail_recursion_reentry>:
6121 Rename to x_stack_check_probe_note.
6122 (tail_recursion_reentry): Rename to stack_check_probe_note.
6123 * function.c: Replace tail_recursion_reentry with
6124 stack_check_probe_note everywhere.
6125 (expand_function_start): Only emit a note for
6126 stack_check_probe_note with -fstack-protect.
6127 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6129 * emit-rtl.c (remove_unnecessary_notes): Remove.
6130 (pass_remove_unnecessary_notes): Remove.
6131 * rtl.h (remove_unnecessary_notes): Remove prototype.
6132 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6133 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6134 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6136 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6139 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6140 (valid_in_set): Handle ARRAY_REF.
6141 Change "if min_variant or VH" to asserts.
6142 (create_component_ref_by_pieces): Handle ARRAY_REF.
6143 (create_expression_by_pieces): Likewise.
6144 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6146 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6148 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6149 is operand of switch, not str[0].
6151 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6153 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6154 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6156 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6158 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6159 end of insn_extra_address_constraint declaration.
6161 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6163 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6164 (no-sum-in-toc): Same.
6165 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6167 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6168 NO_FP_IN_TOC for -fPIC instead of mask.
6170 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6171 (BOOT_LDFLAGS): Delete.
6173 * config/rs6000/t-aix52: Same.
6175 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6176 (stmsi[345678]_power): New.
6178 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6180 * config/ia64/ia64.opt: Add empty line to end of file.
6182 2006-03-17 Richard Guenther <rguenther@suse.de>
6185 * builtins.c (get_pointer_alignment): For component style references
6186 adjust alignment to the component type alignment. Make sure
6187 to adjust alignment for component access of constants.
6189 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6191 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6194 2006-03-17 Paul Brook <paul@codesourcery.com>
6196 * doc/install.texi: Docuemnt --with-mode.
6197 * config.gcc: Add --with-mode for arm*-*-*.
6198 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6200 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6202 * sh.c (max_labelno_before_reorg): New variable.
6203 (sh_reorg): Initialize it.
6204 (find_barrier): Check max_labelno_before_reorg before using
6205 label_to_alignment. Take length of explicit alignment insns
6206 into account. When seeing a UNSPECV_CONST_END, return it.
6208 * sh.c (fixup_mova): Set mode of affected label to QImode.
6209 (untangle_mova): New function.
6210 (find_barrier): Use it. Check mode of label before decrementing
6212 (sh_reorg): Likewise.
6213 Set mode of all insns back to VOIDmode.
6215 * sh.c (MOVA_LABELREF): New macro.
6216 (mova_p, fixup_mova, sh_reorg): Use it.
6217 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6218 ADDR_DIFF_VEC matches mova.
6220 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6222 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6223 with ATTRIBUTE_UNUSED.
6225 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6227 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6228 pointer, instead of assuming it is possible to derive the
6229 correct args size from a call insn.
6231 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6233 * rtl.h (CONST_INT_P): Define.
6234 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6235 instead of GET_CODE(x) == CONST_INT.
6236 (vax_rtx_costs): Likewise.
6237 (vax_output_int_move): Likewise.
6238 (vax_output_int_add): Likewise.
6239 (legitimate_constant_address_p): Likewise.
6240 (index_term_p): Likewise.
6241 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6242 * config/vax/vax.md (and<mode>3): Likewise.
6243 (ashrsi3): Likewise.
6245 (movstricthi): Likewise.
6246 (movstrictqi): Likewise.
6247 (rotrsi3): Likewise.
6248 (five unnamed insns): Likewise.
6250 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6252 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6253 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6254 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6255 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6256 Pass to ASM_OUTPUT_DWARF_OFFSET.
6257 * dwarf2out.c (debug_frame_section): New.
6258 (output_call_frame_info): Use debug_frame_section. Pass it to
6259 dw2_asm_output_offset.
6260 (output_die): Pass appropriate section to dw2_asm_output_offset.
6261 (output_compilation_unit_header): Likewise.
6262 (output_pubnames): Likewise.
6263 (output_aranges): Likewise.
6264 (enum dw_val_class): Break dw_val_class_lbl_offset into
6265 dw_val_class_lineptr and dw_val_class_macptr.
6266 (add_AT_lbl_offset): Delete.
6267 (add_AT_lineptr): New.
6268 (add_AT_macptr): New.
6269 (AT_lbl): Expect a lineptr or macptr.
6270 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6271 (attr_checksum): Likewise.
6272 (same_dw_val_p): Likewise.
6273 (size_of_die): Likewise.
6274 (value_format): Likewise.
6275 (output_die): Likewise.
6276 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6278 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6279 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6280 * config/darwin-protos.h (darwin_file_start): New.
6281 (darwin_asm_output_dwarf_offset): New.
6282 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6283 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6285 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6286 if not EH section; simplify.
6287 (darwin_file_start): New.
6288 (darwin_asm_output_dwarf_offset): New.
6289 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6291 (DEBUG_INFO_SECTION): Likewise.
6292 (DEBUG_ABBREV_SECTION): Likewise.
6293 (DEBUG_ARANGES_SECTION): Likewise.
6294 (DEBUG_MACINFO_SECTION): Likewise.
6295 (DEBUG_LINE_SECTION): Likewise.
6296 (DEBUG_LOC_SECTION): Likewise.
6297 (DEBUG_PUBNAMES_SECTION): Likewise.
6298 (DEBUG_STR_SECTION): Likewise.
6299 (DEBUG_RANGES_SECTION): Likewise.
6300 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6301 (ASM_OUTPUT_DWARF_OFFSET): New.
6303 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6305 * config.gcc (tm_defines): Always add to previous value rather
6308 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6310 * config/mips/predicates.md (splittable_const_int_operand): New,
6311 split from move_operand.
6312 (splittable_symbolic_operand): New.
6313 (move_operand): Add commentary. Use splittable_const_int_operand.
6314 Inline mips_atomic_symbolic_constant_p.
6315 * config/mips/mips.md: Add combine splitters for handling moves
6316 of splittable_const_int_operands and splittable_symbolic_operands.
6317 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6318 (mips_split_symbol): Declare.
6319 (mips_move_integer): Declare.
6320 * config/mips/mips.c (mips_split_p): Make global.
6321 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6322 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6323 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6324 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6325 (mips_offset_within_object_p): Handle block symbols.
6326 (mips_atomic_symbolic_constant_p): Delete.
6327 (mips_cannot_force_const_mem): Return false for constants that
6328 mips_legitimize_move can handle.
6329 (mips_use_blocks_for_constant_p): New function.
6330 (mips_split_symbol): Make global.
6331 (mips_move_integer): Likewise. Add a temporary register argument.
6332 (mips_legitimize_const_move): Use splittable_const_int_operand and
6333 splittable_symbolic_operand.
6334 (mips_use_anchors_for_symbol_p): New function.
6335 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6336 (mips_split_p): Declare.
6338 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6340 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6341 (mips*-*-linux*): Likewise.
6343 2006-03-16 Roger Sayle <roger@eyesopen.com>
6344 Daniel Speyer <dspeyer@wam.umd.edu>
6347 * tree-dump.c (dump_real): New function.
6348 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6349 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6350 (tree-dump.o): Add $(REAL_H) to the dependencies.
6352 2006-03-16 Roger Sayle <roger@eyesopen.com>
6355 * real.c (real_from_string): If the mantissa is zero, don't bother
6356 parsing the exponent as the result should always be zero.
6358 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6360 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6362 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6364 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6365 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6366 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6367 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6368 ia64_sched_finish_global): New static functions to implement
6369 hooks from gcc_target.sched.
6370 (spec_check_no, max_uid, pending_data_specs): New static variables.
6371 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6372 ia64_spec_check_src_p): New static functions.
6373 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6374 (TARGET_SCHED_ADJUST_COST): Removed.
6375 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6376 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6377 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6378 TARGET_SCHED_GEN_CHECK,
6379 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6380 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6381 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6382 Fixed to handle speculation checks.
6383 (rtx_needs_barrier): Fixed to handle speculative loads and
6385 (ia64_variable_issue): Added code to count speculative loads and their
6387 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6389 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6391 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6393 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6394 (ia64_reorg): Reset stops_p to NULL after it is freed.
6395 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6396 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6397 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6399 (data_speculative, control_speculative, check_load): New attributes.
6400 (mov<mode>_advanced, mov<mode>_speculative,
6401 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6402 zero_extend<mode>di2_speculative,
6403 zero_extend<mode>di2_speculative_advanced): New patterns for
6404 data and control speculative loads.
6405 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6407 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6408 New pattern for data and control speculation checks.
6409 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6410 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6411 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6412 Auxiliary definitions for the patterns.
6413 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6414 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6416 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6418 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6419 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6420 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6421 New resource constraints.
6422 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6424 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6425 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6426 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6427 msched-in-control-spec, msched-ldc, msched-control-ldc,
6428 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6429 msched-prefer-non-control-spec-insns,
6430 msched-count-spec-in-critical-path): New flags to tune speculative
6432 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6433 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6434 msched-in-control-spec, msched-ldc, msched-control-ldc,
6435 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6436 msched-prefer-non-control-spec-insns,
6437 msched-count-spec-in-critical-path): Document new flags.
6439 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6441 * target.h (struct spec_info_def): New opaque declaration.
6442 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6443 speculate_insn, needs_block_p, gen_check,
6444 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6445 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6446 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6447 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6448 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6449 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6451 (TARGET_SCHED): Use new macros.
6452 * rtl.h (copy_DEPS_LIST_list): New prototype.
6453 * sched-int.h (struct sched_info): Change signature of new_ready field,
6454 adjust all initializations. New fields: add_remove_insn,
6455 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6456 region_head_or_leaf_p.
6457 (struct spec_info_def): New structure declaration.
6458 (spec_info_t): New typedef.
6459 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6460 recovery_block, orig_pat.
6461 (glat_start, glat_end): New variables declaraions.
6462 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6464 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6465 DETACH_LIFE_INFO, USE_GLAT.
6466 (enum SPEC_SCHED_FLAGS): New enumeration.
6467 (NOTE_NOTE_BB_P): New macro.
6468 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6469 attach_life_info, debug_spec_status, check_reg_live): New functions.
6470 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6471 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6473 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6474 * ddg.c (get_block_head_tail): Adjust all uses.
6475 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6476 (sms_sched_info): Initialize new fields.
6477 (contributes_to_priority): Removed.
6478 * haifa-sched.c (params.h): New include.
6479 (get_block_head_tail): Adjust all uses.
6480 (ISSUE_POINTS): New macro.
6481 (glat_start, glat_end): New global variables.
6482 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6483 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6484 old_last_basic_block, before_recovery, current_sched_info_var,
6485 rgn_n_insns, luid): New static variables.
6486 (insn_cost1): New function. Move logic from insn_cost to here.
6487 (find_insn_reg_weight1): New function. Move logic from
6488 find_insn_reg_weight to here.
6489 (reemit_notes, move_insn, max_issue): Change signature.
6490 (move_insn1): Removed.
6491 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6492 extend_bb): New static functions to support extension of scheduler's
6494 (generate_recovery_code, process_insn_depend_be_in_spec,
6495 begin_speculative_block, add_to_speculative_block,
6496 init_before_recovery, create_recovery_block, create_check_block_twin,
6497 fix_recovery_deps): New static functions to support
6498 generation of recovery code.
6499 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6500 restore_bb_notes, move_block_after_check, move_succs): New static
6501 functions to support ebb scheduling.
6502 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6503 functions to support handling of register live information.
6504 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6505 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6506 add_jump_dependencies): New static functions.
6507 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6508 consistancy checking.
6509 (debug_spec_status): New function to call from debugger.
6510 (priority): Added code to handle speculation checks.
6511 (rank_for_schedule): Added code to distinguish speculative instructions.
6512 (schedule_insn): Added code to handle speculation checks.
6513 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6514 Fixed to handle ebbs.
6515 (move_insn): Added code to handle ebb scheduling.
6516 (max_issue): Added code to use ISSUE_POINTS of instructions.
6517 (choose_ready): Added code to choose between speculative and
6518 non-speculative instructions.
6519 (schedule_block): Added code to handle ebb scheduling and scheduling of
6520 speculative instructions.
6521 (sched_init): Initialize new variables.
6522 (sched_finish): Free new variables. Print statistics.
6523 (try_ready): Added code to handle speculative instructions.
6524 * lists.c (copy_DEPS_LIST_list): New function.
6525 * sched-deps.c (extend_dependency_caches): New function. Move logic
6526 from create_dependency_caches to here.
6527 (get_dep_weak, ds_merge): Make global.
6528 * genattr.c (main): Code to output prototype for
6529 dfa_clear_single_insn_cache.
6530 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6531 (output_dfa_clean_insn_cache_func): Code to output
6532 dfa_clear_single_insn_cache function.
6533 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6535 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6537 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6538 New static variables.
6539 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6540 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6542 (ebb_sched_info): Initialize new fields.
6543 (get_block_head_tail): Adjust all uses.
6544 (compute_jump_reg_dependencies): Fixed to use glat_start.
6545 (schedule_ebb): Code to remove unreachable last block.
6546 (schedule_ebbs): Added code to update register live information.
6547 * sched-rgn.c (region_sched_info): Initialize new fields.
6548 (get_block_head_tail): Adjust all uses.
6549 (last_was_jump): Removed. Adjust users.
6550 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6551 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6552 Implement new hooks.
6553 (check_dead_notes1): New static function.
6554 (struct region): New fields: dont_calc_deps, has_real_ebb.
6555 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6556 (BB_TO_BLOCK): Fixed to handle EBBs.
6557 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6558 (ebb_head): New static variable.
6559 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6560 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6562 (compute_dom_prob_ps): New assertion.
6563 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6564 global_live_at_start.
6565 (init_ready_list): New assertions.
6566 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6567 (new_ready): Add support for BEGIN_CONTROL speculation.
6568 (schedule_insns): Fixed code that updates register live information
6570 (schedule_region): Fixed to handle EBBs.
6571 (init_regions): Use extend_regions and check_dead_notes1.
6572 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6573 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6574 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6575 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6576 TARGET_SCHED_GEN_CHECK,
6577 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6578 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6579 * doc/invoke.texi (max-sched-insn-conflict-delay,
6580 sched-spec-prob-cutoff): Document.
6582 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6584 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6585 inter_tick, queue_index.
6586 (struct sched_info): Change signature of init_ready_list field.
6587 Adjust all initializations.
6588 (RESOLVED_DEPS): New access macro.
6589 (ready_add): Remove prototype.
6590 (try_ready): Add prototype.
6591 * sched-rgn.c (init_ready_list): Use try_ready.
6592 (schedule_region): Initialize
6593 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6594 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6595 (init_ready_list): Use try_ready.
6596 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6597 * lists.c (remove_list_elem): Remove `static'.
6598 (remove_free_INSN_LIST_elem): New function.
6599 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6600 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6601 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6603 (readyp): New variable.
6604 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6605 change_queue_index, resolve_dep): New static functions.
6606 (try_ready): New function. Adjust callers in sched-rgn.c and
6607 sched-ebb.c to use it instead of ready_add.
6608 (clock_var): Move at the begining of file.
6609 (rank_for_schedule): Fix typo.
6610 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6611 (ready_lastpos): Enforce assertion.
6612 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6614 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6615 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6616 (queue_to_ready): Use free_INSN_LIST_list.
6617 (early_queue_to_ready): Fix typo.
6618 (schedule_block): Init readyp. Move init_ready_list call after the
6619 initialization of clock_var. Fix error in rejecting insn by
6620 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6621 that previously corrected INSN_TICKs. Add code for handling
6623 (set_priorities): Fix typo.
6624 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6625 Clarify comment and code that keeps current_sched_info->next_tail
6628 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6630 * sched-rgn.c (extend_rgns): New static function.
6631 (find_rgns): Use it.
6632 (gather_region_statistics, print_region_statistics): New static
6634 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6635 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6637 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6638 Andrey Belevantsev <abel@ispras.ru>
6640 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6641 * lists.c (unused_deps_list): New variable.
6642 (free_list): Add assertions to verify the proper distinguishing
6643 between INSN_LISTs and DEPS_LISTs.
6644 (find_list_elem, remove_list_elem, remove_list_node): New static
6646 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6647 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6648 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6649 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6651 (free_INSN_LIST_node): Likewise.
6652 * modulo-sched.c (current_sched_info): Initialize flags field.
6653 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6654 * rtl.def (DEPS_LIST): Define.
6655 * rtl.h: Declare new functions from lists.c.
6656 * sched-deps.c (spec_dependency_cache): New static variable.
6657 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6658 (add_dependence): Change return type to void. Move the logic to ...
6659 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6660 (delete_all_dependences): Add comment about forward_dependency_cache.
6661 Handle spec_dependency_cache. Handle DEPS_LISTs.
6662 (fixup_sched_groups): Clarify the change of priority of output
6663 and anti dependencies.
6664 (sched_analyze_2): Adjust add_dependence calls to create data
6665 speculative dependence.
6666 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6667 Adjust all callers. Handle DEPS_LISTS.
6668 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6669 presence of speculation.
6670 (init_dependency_caches, free_dependency_caches):
6671 Handle spec_dependency_cache.
6672 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6673 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6674 New static functions.
6675 (add_or_update_back_dep, add_or_update_back_forw_dep,
6676 add_back_forw_dep, delete_back_forw_dep): New functions.
6677 * sched-int.h (ds_t, dw_t): New typedefs.
6678 (struct sched_info): Add new field flags.
6679 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6680 Prototype new sched-deps.c functions.
6681 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6682 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6683 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6684 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6685 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6686 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6688 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6690 * sched-rgn.c (current_sched_info): Initialize flags field.
6691 (schedule_insns): Initialize current_sched_info before the sched_init
6693 * sched-ebb.c (current_sched_info): Initialize flags field.
6694 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6695 Call add_or_update_back_dep instead of add_dependence.
6696 Create control speculative dependencies.
6697 (schedule_insns): Initialize current_sched_info before the sched_init
6700 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6702 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6704 (sh_fallback_frame_state): Likewise.
6706 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6708 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6709 Do switch on default_use_cxa_atexit.
6710 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6711 * config/darwin-crt3.o: New.
6712 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6713 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6714 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6716 * config/rs6000/t-darwin: Move crt2.o building to here.
6717 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6718 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6721 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6723 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6724 from '! xxx' to '!xxx' for coding-style conformance.
6725 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6726 (EXTRA_CONSTRAINT): Likewise.
6727 * config/vax/vax.md (four unnamed insns): Likewise.
6729 2006-03-15 Paul Brook <paul@codesourcery.com>
6731 * config/arm/arm.c (minipool_pad): New.
6732 (add_minipool_forward_ref): Include pool alignment padding in address
6734 (push_minipool_fix): Set minipool_pad.
6735 (minipool_pad): Ditto.
6737 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6739 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6740 instead of GET_CODE() == MEM and REG_P() instead of
6742 (print_operand_address): Likewise.
6743 (vax_address_cost): Likewise.
6744 (vax_rtx_costs): Likewise.
6745 (vax_notice_update_cc): Likewise.
6746 (vax_output_int_add): Likewise.
6747 (INDEX_REGISTER_P): Likewise.
6748 (BASE_REGISTER_P): Likewise.
6749 (nonindexed_address_p): Likewise.
6750 (vax_mode_dependent_address_p): Likewise.
6751 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6752 (PRINT_OPERAND): Likewise.
6753 * config/vax/vax.md (ashlsi3): Likewise.
6754 (ashlsi3): Likewise.
6755 (some more unnamed insns): Likewise.
6757 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6759 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6760 iterator-style macro.
6761 (mark_control_dependent_edges_necessary): Update the use of
6762 EXECUTE_IF_CONTROL_DEPENDENT.
6764 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6766 * config/sh/predicates.md (cache_address_operand): Special.
6767 (ua_address_operand): Likewise.
6769 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6771 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6773 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6775 2006-03-15 Andreas Schwab <schwab@suse.de>
6777 * gensupport.c (identify_predicable_attribute): Don't free p_false
6778 when it is still in use.
6780 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6782 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6783 the default setting here.
6785 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6787 * tree-pass.h (pass_cfg): Remove.
6788 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6789 * passes.c (pass_cfg): Don't run it.
6791 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6793 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6794 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6796 (stack_regs_mentioned): Update the uses of
6797 stack_regs_mentioned_data. Don't access the array beyond its
6799 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6800 Don't include gt-reg-stack.h.
6802 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6803 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6805 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6808 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6811 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6813 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6815 2006-03-14 Richard Guenther <rguenther@suse.de>
6817 PR tree-optimization/26672
6818 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6821 2006-03-14 Richard Guenther <rguenther@suse.de>
6823 PR tree-optimization/26667
6824 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6825 node for the callees. Always allow inlining if it will shrink
6828 2006-03-14 Richard Guenther <rguenther@suse.de>
6831 * builtins.c (get_pointer_alignment): Prefer alignment
6832 information from decls over that from types.
6834 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6837 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6839 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6841 * config/rs6000/rs6000.opt (mdlmzb): New option.
6842 (msched-prolog, msched-epilog): Use Var not Mask.
6843 * doc/invoke.texi (-mdlmzb): Document.
6844 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6846 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6847 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6849 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6851 PR rtl-optimization/25739
6852 * bt-load.c (augment_live_range): Free tos pointer.
6854 * gensupport.c (identify_predicable_attribute): Free
6856 * gcov.c (create_file_names): Free name pointer.
6858 2006-03-13 Roger Sayle <roger@eyesopen.com>
6861 * stmt.c (emit_case_nodes): Handle the case where the index is a
6862 CONST_INT, where the comparison mode is specified by the index type.
6864 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6866 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6869 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6871 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6872 (*branch_fp_inverted): Likewise.
6874 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6877 * omp-low.c (expand_omp_for_generic): Mark istart0
6878 and iend0 as addressable.
6880 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6882 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6884 2006-03-13 Jeff Law <law@redhat.com>
6886 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6887 virtual operands are interesting.
6888 (vrp_visit_stmt): Corresponding changes.
6890 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6892 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6894 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6895 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6896 * config/bfin/crti.S: Use it instead of __PIC__.
6897 * config/bfin/crtn.S: Likewise.
6899 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6900 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6902 Lose 'G' modifier for call operand.
6903 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6904 recognize 'G' modifier.
6906 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6909 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6910 * stmt.c (expand_case): Likewise.
6912 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6914 PR rtl-optimization/26254
6915 * loop-invariant.c (seq_insns_valid_p): New function.
6916 (move_invariant_reg): Only emit new code if it is valid.
6918 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6920 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6922 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6923 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6924 (commit_one_edge_insertion): Do not look for loop notes.
6926 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6928 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6929 flag_test_coverage out of loop.
6931 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6933 * final.c (shorten_branches): Remove outdated comment, and turn
6934 the if branch that guards it to continue.
6936 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6938 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6939 * cfgloop.h (struct loop): Remove unused fields.
6941 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6943 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6944 (-dL, -fdump-rtl-loop2): Update the dump file names
6946 * doc/invoke.texi: Update dump file names.
6948 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6950 * predict.c (estimate_probability): Remove.
6951 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6952 * basic-block.h (estimate_probability): Remove prototype.
6953 * passes.c (finish_optimization_passes): Dump branch prediction or
6954 profiling heuristics to the .profile tree dump.
6955 (init_optimization_passes): Unqueue pass_branch_prob.
6957 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6959 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6961 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6962 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6964 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6966 * function.h (frame_offset_overflow): Declare.
6967 * function.c (frame_offset_overflow): New function.
6968 (assign_stack_local_1): Call it to detect that the offset overflows.
6969 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6971 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6973 * config/sh/sh.c: Include alloc-pool.h.
6974 (label_ref_list_pool): New alloc pool.
6975 (label_ref_list_t): New type for lists of labels.
6976 (struct pool_node): Make wend a label_ref_list_t.
6977 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6979 (dump_table): Likewise.
6980 (sh_reorg): Set up the alloc pool before using add_constant and
6981 dump_table, and destroy it when finishing.
6983 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6985 * config/mips/mips.c: Remove redundant comment.
6987 2006-03-10 Jason Merrill <jason@redhat.com>
6990 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6991 the target was declared 'register'.
6993 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6995 * genpreds.c (write_insn_constraint_len): Change definition of
6996 insn_constraint_len to return size_t to match the declaration.
6998 2006-03-10 DJ Delorie <dj@redhat.com>
7000 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7002 (m32c_expand_insv): Fix test for an AND mask.
7004 2006-03-10 Richard Guenther <rguenther@suse.de>
7007 * builtins.c (get_pointer_alignment): Handle component
7008 references for field alignment.
7010 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7012 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7013 when building with libgloss.
7014 (sh*elf): Implement --without-fp option.
7015 (sh64-superh-linux*): Don't multilib.
7017 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7019 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7021 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7023 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7024 Set it when one of the replacement functions returned true.
7025 Return TODO_cleanup_cfg if cfgchanged is true.
7026 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7028 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7030 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7031 instead of gen_lowpart.
7033 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7035 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7037 (mips_output_order_conditional_branch): Declare.
7038 * config/mips/mips.h (MIPS_BRANCH): New macro.
7039 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7040 for the comparison. Use gen_condjump.
7041 (mips_output_conditional_branch): Rework interface to take the
7042 asm templates for a direct branch and the inverse of a direct branch.
7043 (mips_output_order_conditional_branch): New function.
7044 (mips_builtin_branch_and_move): New function.
7045 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7046 branch condition. Use gen_single_cc as the condition for
7047 __builtin_mips_upper_* or __builtin_mips_lower_*.
7048 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7049 Use VOIDmode for the branch condition.
7050 * config/mips/predicates.md (order_operator): New predicate.
7051 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7052 (branch_fp): Rename to...
7053 (*branch_fp): ...this. Remove mode from comparison operator.
7054 Use new mips_output_conditional_branch interface.
7055 (branch_fp_inverted): Rename to...
7056 (*branch_fp_inverted): ...this and update as for *branch_fp.
7057 (*branch_zero<mode>): Rename to...
7058 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7059 Use mips_output_order_conditional_branch. Only accept ordered
7061 (*branch_zero<mode>_inverted): Rename to...
7062 (*branch_order<mode>_inverted): ...this and update as for
7063 *branch_order<mode>.
7064 (*branch_equality<mode>): Accept zero as the second operand to
7065 the equality operator. Use the new mips_output_conditional_branch
7067 (*branch_equality<mode>_inverted): Likewise.
7068 (condjump): New expander.
7069 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7071 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7072 (bc1any2t, bc1any2f): Likewise.
7073 (single_cc): New expander.
7074 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7076 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7078 * doc/md.texi: Update documentation of MIPS constraints.
7079 * config/mips/constraints.md: New file.
7080 * config/mips/mips.md: Include it.
7081 * config/mips/mips.c (mips_char_to_class): Delete.
7082 (override_options): Don't initialize mips_char_to_class.
7083 * config/mips/mips.h (mips_char_to_class): Delete.
7084 (REG_CLASS_FROM_LETTER): Delete.
7085 (CONST_OK_FOR_LETTER_P): Delete.
7086 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7087 (EXTRA_CONSTRAINT_Y): Delete.
7088 (EXTRA_CONSTRAINT_STR): Delete.
7089 (CONSTRAINT_LEN): Delete.
7090 (EXTRA_MEMORY_CONSTRAINT): Delete.
7092 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7094 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7095 original fn's eh regions.
7097 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7099 * fold-const.c (build_range_check): Make sure to use a valid type to
7100 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7103 (range_predecessor): New static function.
7104 (range_successor): Likewise.
7105 (merge_ranges): Use them to compute predecessors and successors of
7108 2006-03-09 Roger Sayle <roger@eyesopen.com>
7111 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7112 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7114 2006-03-08 DJ Delorie <dj@redhat.com>
7116 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7117 (addpsi3): Expand to include memory operands. Remove
7118 reload-specific splits.
7119 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7120 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7121 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7122 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7123 (shift1_qi, shift1_hi, insv): New.
7124 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7125 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7126 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7128 * config/m32c/m32c-protos.h: Update as needed.
7129 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7130 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7131 Fail for unrecognized R* constraints.
7132 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7133 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7134 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7136 (m32c_init_libfuncs): New.
7137 (m32c_legitimate_address_p): Add debug wrapper.
7138 (m32c_rtx_costs): New.
7139 (m32c_address_cost): New.
7140 (conversions): Add 'B' prefix.
7141 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7142 operands, or word regnames for QI operands. 'B' prints bit
7144 (m32c_expand_setmemhi): New.
7145 (m32c_expand_movmemhi): New.
7146 (m32c_expand_movstr): New.
7147 (m32c_expand_cmpstr): New.
7148 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7149 (m32c_expand_neg_mulpsi3): Handle non-ints.
7150 (m32c_cmp_flg_0): New.
7151 (m32c_expand_movcc): New.
7152 (m32c_expand_insv): New.
7153 (m32c_scc_pattern): New.
7154 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7155 a0/a1 out of SIregs.
7156 (STORE_FLAG_VALUE): New.
7157 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7160 * config/m32c/mov.md: Make constraints more liberal.
7161 (zero_extendqihi2): Optimize r0/r1 case.
7162 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7163 * config/m32c/predicates.md (m32c_any_operand): New.
7164 (m32c_nonimmediate_operand): New.
7165 (m32c_hl_operand): New.
7166 (m32c_r3_operand): New.
7169 (memsym_operand): New.
7170 (memimmed_operand): New.
7171 (a_qi_operand): New.
7172 (m32c_eqne_operator): New.
7173 (m32c_1bit8_operand): New.
7174 (m32c_1bit16_operand): New.
7175 (m32c_1mask8_operand): New.
7176 (m32c_1mask16_operand): New.
7177 * config/m32c/blkmov.md: New file.
7178 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7180 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7182 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7183 unsigned to fix signed/unsigned comparison issue in
7184 DWARF2_FRAME_REG_OUT.
7185 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7186 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7188 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7189 of ptr into the ENABLE_CHECKING section.
7191 2006-03-08 Jeff Law <law@redhat.com>
7193 * tree-vrp.c (infer_value_range): Only count pointer uses
7194 and dereferences if -fdelete-null-pointer-checks is enabled.
7196 * tree-vrp.c (find_assert_locations): Infer value ranges for
7197 single use pointers, but do not create ASSERT_EXPRs for them.
7198 When a non-null range is inferred for a pointer, backwards
7199 propagate that range to other equivalent pointers through the
7202 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7205 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7206 language hook targets.
7207 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7208 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7209 if language hook targets were missing.
7211 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7213 * tree-ssa-opfinalize.h: Removed.
7214 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7216 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7217 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7218 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7219 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7220 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7221 finalize_ssa_v_must_def_ops): New.
7223 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7225 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7228 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7230 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7232 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7233 addresses with offsets; reorganize.
7235 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7236 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7237 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7239 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7242 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7244 2006-03-08 Ben Elliston <bje@au.ibm.com>
7246 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7248 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7251 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7254 2006-03-07 Richard Guenther <rguenther@suse.de>
7256 PR tree-optimization/26587
7257 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7259 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7261 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7263 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7265 * hooks.c (hook_bool_mode_rtx_true): New function.
7266 * hooks.h (hook_bool_mode_rtx_true): Declare.
7267 * toplev.c (compile_file): Call output_shared_constant_pool.
7268 * varasm.c (shared_constant_pool): New variable.
7269 (assemble_start_function, assemble_end_function): Remove arguments
7270 from call to output_constant_pool.
7271 (create_constant_pool): New function, split out from...
7272 (init_varasm_status): ...here.
7273 (force_const_mem): Choose between the shared and per-function constant
7274 pools. Set current_function_uses_const_pool when reusing old entries
7275 as well as when creating new ones.
7276 (mark_constant): Ignore data argument.
7277 (mark_constants): Remove pool argument.
7278 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7279 to decide whether the function uses a constant pool.
7280 (output_constant_pool_contents): New function, split out from...
7281 (output_constant_pool): ...here.
7282 (output_shared_constant_pool): New function.
7283 (init_varasm_once): Initialize shared_constant_pool.
7284 * output.h (output_constant_pool): Delete.
7285 (output_shared_constant_pool): Declare.
7286 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7287 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7289 2006-03-06 Nick Clifton <nickc@redhat.com>
7291 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7292 flag_strength_reduce.
7294 2006-03-06 Ben Elliston <bje@au.ibm.com>
7296 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7297 x86_64-*-linux* configurations.
7299 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7300 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7302 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7304 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7306 * basic-block.h: Remove the extern for
7307 rediscover_loops_after_threading.
7309 * cfgloop.c (cancel_loop): Make it static.
7310 * cfgloop.h: Remove the prototype for cancel_loop.
7312 * flow.c (recompute_reg_usage): Make it static.
7313 * rtl.h: Remove the prototype for recompute_reg_usage.
7315 * function.c (use_return_register): Make it static.
7316 * function.h: Remove the prototype.
7318 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7320 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7322 * recog.h: Remove the prototype for
7323 validate_change_maybe_volatile.
7325 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7327 * rtlanal.c (replace_reg): Remove.
7328 * rtl.h: Remove the prototype for replace_reg.
7330 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7332 * regclass.c (reg_scan_update): Remove.
7333 (reg_scan_mark_refs): Remove the last argument.
7334 * rtl.h: Remove the prototype for reg_scan_update.
7336 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7338 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7339 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7340 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7341 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7342 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7343 loop-invariant.c, omp-low.c, opts.c, passes.c,
7344 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7345 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7346 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7347 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7348 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7349 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7351 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7353 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7354 * dwarf2out.h: Remove the prototype for
7355 dwarf2out_add_library_unit_info.
7357 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7359 * tree.c (add_var_to_bind_expr): Remove.
7360 * tree.h: Remove the prototype for add_var_to_bind_expr.
7362 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7364 * regclass.c (n_non_fixed_regs): Remove.
7365 (init_reg_sets_1, globalize_reg): Remove all uses of
7367 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7369 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7371 * rtlanal.c (insns_safe_to_move_p): Remove.
7372 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7374 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7376 * expmed.c (expand_mult_add): Remove.
7377 * expr.h: Remove the prototype for expand_mult_add.
7379 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7381 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7382 and REG_SAVED_VAL_EXP constants.
7383 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7384 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7385 Handle regs stored by value.
7386 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7387 (execute_cfa_program): Handle DW_CFA_val_offset,
7388 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7389 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7390 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7391 (uw_install_context_1): Handle target regs stored by value.
7393 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7395 * tree-sra.c (tree_sra): Return todoflags;
7396 (generate_one_element): Set TODO_update_smt_usage if needed.
7397 (pass_sra): Remove TODO_update_smt_usage.
7398 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7400 (tree_ssa_forward_propagate_single_use_vars): Return
7401 TODO_update_smt_usage if we need to update SMT usage.
7402 (pass_forwprop): Remove TODO_update_smt_usage.
7404 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7406 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7407 (correct_use_link): Remove reference to get_stmt_operands.
7408 (update_stmt_operands): Likewise.
7409 (get_modify_expr_operands): New function factored out of
7410 parse_ssa_operands and get_expr_operands.
7411 Try to create V_MUST_DEFs for LHS by default.
7412 (get_expr_operands) <case MODIFY_EXPR>: Call
7413 get_modify_expr_operands.
7414 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7415 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7416 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7417 get_modify_expr_operands.
7419 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7421 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7422 * tree-flow.h: Remove the prototype for
7423 referenced_var_lookup_if_exists.
7425 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7427 PR rtl-optimization/26345
7429 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7431 2006-03-03 Roger Sayle <roger@eyesopen.com>
7433 PR tree-optimization/26524
7434 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7435 fold_convert to create a constant of the appropriate type.
7437 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7439 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7440 SYMBOL_REF_IN_BLOCK_P.
7441 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7442 of SYMBOL_FLAG_IN_BLOCK.
7443 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7444 instead of SYMBOL_REF_IN_BLOCK_P.
7445 * explow.c (use_anchored_address): Likewise.
7446 * rtl.c (rtx_size): Likewise.
7447 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7448 instead of SYMBOL_FLAG_IN_BLOCK.
7449 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7450 SYMBOL_REF_IN_BLOCK_P.
7451 (assemble_variable): Likewise.
7452 (output_constant_def_contents): Likewise.
7453 (output_constant_pool): Likewise.
7454 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7455 instead of SYMBOL_FLAG_IN_BLOCK.
7456 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7457 SYMBOL_REF_IN_BLOCK_P.
7458 (SYMBOL_REF_BLOCK): Likewise.
7459 (SYMBOL_REF_OFFSET): Likewise.
7460 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7461 SYMBOL_REF_IN_BLOCK_P.
7462 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7463 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7464 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7465 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7467 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7469 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7471 2006-03-02 Roger Sayle <roger@eyesopen.com>
7473 * simplify-rtx.c (simplify_unary_operation): When simplifying
7474 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7475 that we perform the right shift in the appropriate mode, and
7476 then extend or truncate the result to requested mode.
7478 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7480 * gengtype.c (main): Handle double_int type.
7481 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7482 * double-int.c: New file.
7483 * double-int.h: New file.
7484 * system.h: Include doubleint.h.
7485 * Makefile.in (SYSTEM_H): Include double-int.h.
7486 (double-int.o): Add.
7488 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7491 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7494 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7496 * tree-vrp.c (remove_range_assertions): Do not update statements
7499 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7501 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7503 * gcse.c (rest_of_handle_gcse): Ditto.
7504 * except.c (gate_handle_eh): Ditto.
7505 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7506 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7508 2006-03-02 Eric Christopher <echristo@apple.com>
7510 * config/i386/i386.c (machopic_output_stub): Add indirection to
7513 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7517 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7519 Sun Niagara specific optimizations.
7520 * config.gcc: Recognize niagara as target.
7521 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7522 (TARGET_CPU_niagara): Define.
7523 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7524 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7525 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7526 (ASM_CPU_SPEC): Likewise.
7527 (PROCESSOR_NIAGARA): New enum entry.
7528 (REGISTER_MOVE_COST): Handle Niagara.
7529 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7530 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7531 (sparc_override_options): Recognize "niagara", set appropriate
7532 default MASK_* values for it, and align functions to 32-bytes
7533 by default just like ULTRASPARC/ULTRASPARC3.
7534 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7535 (sparc64_initialize_trampoline): Likewise.
7536 (sparc_use_sched_lookahead): Use zero for niagara.
7537 (sparc_issue_rate): Use one for niagara.
7538 * config/sparc/niagara.md: New file.
7539 * config/sparc/sparc.md: Include it.
7540 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7541 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7542 when default cpu is niagara.
7543 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7544 (ASM_CPU_SPEC): Likewise.
7545 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7546 when default cpu is niagara.
7547 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7548 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7549 just like v9/ultrasparc/ultrasparc3.
7550 * doc/invoke.texi: Add documentation for "niagara" and improve
7551 existing documentation for ultrasparc variants.
7553 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7555 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7557 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7559 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7560 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7561 and say that only one is needed.
7562 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7563 * target.h (have_switchable_bss_sections): New hook.
7564 * explow.c (use_anchored_address): Check that the symbol is in a block.
7565 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7566 (bss_noswitch_section): New variables.
7567 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7568 (get_noswitch_section): New function.
7569 (get_block_for_section): Allow SECT to be null.
7570 (unlikely_text_section_p): Use SECTION_STYLE.
7571 (bss_initializer_p): New function.
7572 (get_variable_section): Move earlier in file. Take a new argument,
7573 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7574 Return one of the new *_sections in such cases.
7575 (get_block_for_decl): New function, extracting some logic from
7576 use_blocks_for_decl_p.
7577 (change_symbol_section): Remove in favor of...
7578 (change_symbol_block): ...this new function.
7579 (use_blocks_for_decl_p): Remove checks now performed by
7581 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7582 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7583 (emit_local, emit_bss, emit_common): ...these new functions.
7584 Return true if the alignment was honored.
7585 (emit_tls_common): New function.
7586 (asm_emit_uninitialised): Delete.
7587 (assemble_variable_noswitch): New function, split out from...
7588 (assemble_variable): ...here. Don't make decisions about common
7589 variables here. Globalize all public decls that go into non-common
7590 sections. Check whether SYMBOL_REF_BLOCK is null.
7591 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7592 (output_constant_pool): Likewise.
7593 (init_varasm_once): Initialize the new section variables.
7594 (have_global_bss_p): New function.
7595 (categorize_decl_for_section): Use bss_initializer_p.
7596 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7597 (place_block_symbol): Assert that the symbol must be in a block.
7598 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7599 (TARGET_INITIALIZER): Include it.
7600 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7601 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7602 (SECTION_MACH_DEP): Bump by two.
7603 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7604 (unnamed_section): Mention SECTION_UNNAMED in comment.
7605 (named_section): Likewise SECTION_NAMED.
7606 (noswitch_section_callback): New type.
7607 (noswitch_section): New structure.
7608 (section): Add a noswitch_section alternative.
7609 (SECTION_STYLE): New macro.
7610 (tls_comm_section, comm_section, lcomm_section): Declare.
7611 (bss_noswitch_section, have_global_bss_p): Declare.
7612 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7613 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7615 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7616 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7619 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7621 * tree-vrp.c (execute_vrp): Return value.
7622 * regrename.c (rest_of_handle_regrename): Ditto.
7623 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7624 * tree-complex.c (tree_lower_complex): Ditto.
7625 (tree_lower_complex_O0): Ditto.
7626 * tracer.c (rest_of_handle_tracer): Ditto.
7627 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7628 * postreload.c (rest_of_handle_postreload): Ditto.
7629 * tree-tailcall.c (execute_tail_recursion): Ditto.
7630 (execute_tail_calls): Ditto.
7631 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7632 * tree.h (init_function_for_compilation): Ditto.
7633 * ipa-cp.c (ipcp_driver): Ditto.
7634 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7635 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7636 * final.c (compute_alignments): Ditto.
7637 (rest_of_handle_final): Ditto.
7638 (rest_of_handle_shorten_branches): Ditto.
7639 (rest_of_clean_state): Ditto.
7640 * omp-low.c (execute_expand_omp): Ditto.
7641 (execute_lower_omp): Ditto.
7642 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7643 * ipa-reference.c (static_execute): Ditto.
7644 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7645 * reorg.c (rest_of_handle_delay_slots): Ditto.
7646 (rest_of_handle_machine_reorg): Ditto.
7647 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7648 * flow.c (recompute_reg_usage): Ditto.
7649 (rest_of_handle_remove_death_notes): Ditto.
7650 (rest_of_handle_life): Ditto.
7651 (rest_of_handle_flow2): Ditto.
7652 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7653 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7654 (do_ssa_store_ccp): Ditto.
7655 (execute_fold_all_builtins): Ditto.
7656 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7657 * modulo-sched.c (rest_of_handle_sms): Ditto.
7658 * ipa-pure-const.c (static_execute): Ditto.
7659 * cse.c (rest_of_handle_cse): Ditto.
7660 (rest_of_handle_cse2): Ditto.
7661 * web.c (rest_of_handle_web): Ditto.
7662 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7663 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7664 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7665 * tree-nrv.c (tree_nrv): Ditto.
7666 (execute_return_slot_opt): Ditto.
7667 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7668 (create_structure_vars): Ditto.
7669 * loop-init.c (rtl_loop_init): Ditto.
7670 (rtl_loop_done): Ditto.
7671 (rtl_move_loop_invariants): Ditto.
7672 (rtl_unswitch): Ditto.
7673 (rtl_unroll_and_peel_loops): Ditto.
7674 (rtl_doloop): Ditto.
7675 * gimple-low.c (lower_function_body): Ditto.
7676 (mark_used_blocks): Ditto.
7677 * tree-ssa-sink.c (execute_sink_code): Ditto.
7678 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7679 (cgraph_early_inlining): Ditto.
7680 * global.c (rest_of_handle_global_alloc): Ditto.
7681 * jump.c (cleanup_barriers): Ditto.
7682 (purge_line_number_notes): Ditto.
7683 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7684 (rest_of_handle_if_after_reload): Ditto.
7685 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7686 (tree_ssa_loop_im): Ditto.
7687 (tree_ssa_loop_unswitch): Ditto.
7688 (tree_vectorize): Ditto.
7689 (tree_linear_transform): Ditto.
7690 (tree_ssa_loop_ivcanon): Ditto.
7691 (tree_ssa_empty_loop): Ditto.
7692 (tree_ssa_loop_bounds): Ditto.
7693 (tree_complete_unroll): Ditto.
7694 (tree_ssa_loop_prefetch): Ditto.
7695 (tree_ssa_loop_ivopts): Ditto.
7696 (tree_ssa_loop_done): Ditto.
7697 * predict.c (tree_estimate_probability): Ditto.
7698 * recog.c (split_all_insns_noflow): Ditto.
7699 (rest_of_handle_peephole2): Ditto.
7700 (rest_of_handle_split_all_insns): Ditto.
7701 * tree-eh.c (lower_eh_constructs): Ditto.
7702 * regmove.c (rest_of_handle_regmove): Ditto.
7703 (rest_of_handle_stack_adjustments): Ditto.
7704 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7705 * function.c (instantiate_virtual_regs): Ditto.
7706 (init_function_for_compilation): Ditto.
7707 (rest_of_handle_check_leaf_regs): Ditto.
7708 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7709 (rest_of_handle_gcse): Ditto.
7710 * ipa-type-escape.c (type_escape_execute): Ditto.
7711 * alias.c (rest_of_handle_cfg): Ditto.
7712 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7713 * profile.c (rest_of_handle_branch_prob): Ditto.
7714 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7715 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7716 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7717 * tree-dfa.c (find_referenced_vars): Ditto.
7718 * except.c (set_nothrow_function_flags): Ditto.
7719 (convert_to_eh_region_ranges): Ditto.
7720 (rest_of_handle_eh): Ditto.
7721 * emit-rtl.c (unshare_all_rtl): Ditto.
7722 (remove_unnecessary_notes): Ditto.
7723 * except.h (set_nothrow_function_flags): Ditto.
7724 (convert_to_eh_region_ranges): Ditto.
7725 * cfgexpand.c (tree_expand_cfg): Ditto.
7726 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7727 * tree-ssa-pre.c (do_pre): Ditto.
7728 (execute_fre): Ditto.
7729 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7730 (rest_of_handle_jump2): Ditto.
7731 * tree-sra.c (tree_sra): Ditto.
7732 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7733 (execute_mudflap_function_decls): Ditto.
7734 * tree-ssa-copy.c (do_copy_prop): Ditto.
7735 (do_store_copy_prop): Ditto.
7736 * ipa-prop.h (ipcp_driver): Ditto.
7737 * cfglayout.c (insn_locators_initialize): Ditto.
7738 * tree-ssa-forwprop.c
7739 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7740 * cfglayout.h (insn_locators_initialize): Ditto.
7741 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7742 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7743 (execute_late_warn_uninitialized): Ditto.
7744 * rtl.h (cleanup_barriers): Ditto.
7745 (split_all_insns_noflow): Ditto.
7746 (purge_line_number_notes): Ditto.
7747 (unshare_all_rtl): Ditto.
7748 (remove_unnecessary_notes): Ditto.
7749 (recompute_reg_usage): Ditto.
7750 (variable_tracking_main): Ditto.
7751 * integrate.c (emit_initial_value_sets): Ditto.
7752 * integrate.h (emit_initial_value_sets): Ditto.
7753 * tree-optimize.c (execute_free_datastructures): Ditto
7754 (execute_free_cfg_annotations): Ditto.
7755 (execute_fixup_cfg): Ditto.
7756 (execute_cleanup_cfg_pre_ipa): Ditto.
7757 (execute_cleanup_cfg_post_optimizing): Ditto.
7758 (execute_init_datastructures): Ditto.
7759 * tree-object-size.c (compute_object_sizes): Ditto.
7760 * combine.c (rest_of_handle_combine): Ditto.
7761 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7762 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7763 (rest_of_handle_reorder_blocks): Ditto.
7764 (rest_of_handle_partition_blocks): Ditto.
7765 * var-tracking.c (variable_tracking_main): Ditto.
7766 * tree-profile.c (tree_profiling): Ditto.
7767 * tree-vect-generic.c (expand_vector_operations): Ditto.
7768 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7769 * sched-rgn.c (rest_of_handle_sched): Ditto.
7770 (rest_of_handle_sched2): Ditto.
7771 * basic-block.h (free_bb_insn): Ditto.
7772 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7773 * tree-cfg.c (execute_build_cfg): Ditto.
7774 (remove_useless_stmts): Ditto.
7775 (split_critical_edges): Ditto.
7776 (execute_warn_function_return): Ditto.
7777 (execute_warn_function_noreturn): Ditto.
7778 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7779 * cfgrtl.c (free_bb_for_insn): Ditto.
7780 * passes.c (execute_one_pass): Run additional
7781 todos returned by execute function.
7782 * tree-pass.h (struct tree_opt_pass): Make execute
7785 2006-03-02 Richard Guenther <rguenther@suse.de>
7787 * tree-ssa-alias.c (find_used_portions): Consider taking
7788 the address as making the variable not write-only.
7790 2006-03-02 Nick Clifton <nickc@redhat.com>
7792 * config.gcc (default_use_cxa_atexit): Extend the description of
7793 this configure variable. Set its default value to "yes" for
7794 Linux, NetBSD and ELF targets on the assumption that they will
7795 use C libraries with the __cxa_atexit function.
7797 2006-03-02 Ben Elliston <bje@au.ibm.com>
7799 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7800 parameter as unused to suppress a build warning.
7802 2006-03-02 Ben Elliston <bje@au.ibm.com>
7804 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7807 2006-03-01 Roger Sayle <roger@eyesopen.com>
7810 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7811 declared name, the weak reference name, and the typeof name.
7812 (__gthrw): Avoid expanding the declared name suffix.
7813 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7815 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7817 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7819 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7820 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7821 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7822 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7823 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7824 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7825 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7826 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7827 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7828 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7829 (DW_END_default, DW_END_big, DW_END_little): New.
7830 (DW_END_lo_user, DW_END_hi_user): Define.
7831 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7832 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7833 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7836 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7838 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7840 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7842 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7844 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7846 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7847 to 'symbol_mem_tag'.
7849 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7852 2006-03-01 Roger Sayle <roger@eyesopen.com>
7854 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7856 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7859 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7860 MACHO_DYNAMIC_NO_PIC_P.
7861 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7863 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7866 * config/darwin-protos.h (darwin_asm_output_anchor):
7868 * config/darwin-sections.def (cstring_section):
7869 Add SECTION_MERGE to the flags.
7870 (literal4_section): Likewise.
7871 (literal8_section): Likewise.
7872 (objc_selector_refs_section): Likewise.
7873 (objc_cls_refs_section): Likewise.
7874 * config/darwin.c (darwin_asm_output_anchor): New
7876 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7878 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7880 Fix PR tree-optimization/26443
7881 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7882 to todo and PROP_tmt_usage to properties_destroyed.
7883 * tree-ssa-ccp.c (pass_ccp): Ditto.
7884 (pass_store_ccp): Ditto.
7885 * tree-ssa-dom.c (pass_dominator): Ditto.
7887 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7889 * tree-ssa-operands.c: Cleanup whitespace.
7890 (get_asm_expr_operands): Move before first invocation.
7891 (get_indirect_ref_operands): Likewise.
7892 (get_tmr_operands): Likewise.
7893 (get_call_expr_operands): Likewise.
7894 (append_def): Likewise.
7895 (append_use): Likewise.
7896 (append_v_may_def): Likewise.
7897 (append_v_must_def): Likewise.
7898 (add_call_clobber_ops): Likewise.
7899 (add_call_read_ops): Likewise.
7900 (add_stmt_operand): Likewise.
7901 (add_virtual_operand): Likewise.
7902 (build_ssa_operands): Likewise.
7904 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7909 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7910 with a call expr to ...
7911 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7913 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7915 * tree-vrp.c (extract_range_from_assert): Remove special
7916 handling for types with super-types.
7918 2006-03-01 Ben Elliston <bje@au.ibm.com>
7920 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7921 and powerpc64-*-linux* configurations.
7922 * config/t-dfprules: New file.
7924 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7925 Compile dfp-bit.c from the source directory using -DWIDTH and
7926 $DFP_CFLAGS to control the compilation of that file, rather than
7927 generating width-specific versions in the build directory.
7928 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7929 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7931 2006-02-28 Zack Weinberg <zackw@panix.com>
7933 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7936 2006-02-28 Eric Christopher <echristo@apple.com>
7938 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7939 Set up IN_LIBGCC definition of TARGET_64BIT.
7940 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7942 2006-02-28 Roger Sayle <roger@eyesopen.com>
7945 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7946 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7947 cases via the construction of "expr != 0".
7949 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7951 * alias.c (alias_invariant, alias_invariant_size): Remove.
7952 (record_base_value): Remove.
7953 (memrefs_conflict_p): Don't look at alias_invariant.
7954 (end_alias_analysis): Don't free it.
7955 * alias.h (record_base_value): Remove prototype.
7957 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7958 Adam Nemet <anemet@caviumnetworks.com>
7960 * rtl.h (truncated_to_mode): Declare it.
7961 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7962 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7963 (RTL_HOOKS_INITIALIZER): Include it.
7964 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7965 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7966 reg_truncated_to_mode.
7967 * rtlanal.c (truncated_to_mode): Define it.
7968 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7970 2006-02-28 Jeff Law <law@redhat.com>
7972 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7973 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7974 the range allowed by TYPE_PRECISION.
7976 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7978 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7980 PR tree-optimization/26419
7981 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7984 2006-02-27 Zack Weinberg <zackw@panix.com>
7986 * doc/md.texi: Fix typo in previous change.
7988 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7992 2006-02-27 Zack Weinberg <zackw@panix.com>
7994 * rtl.def (define_constraint, define_register_constraint)
7995 (define_memory_constraint, define_address_constraint): New MD forms.
7996 * gensupport.c (process_rtx): Put define_constraint etc on the
7998 * genpreds.c (process_define_predicate): Adjust comment. Validate
7999 the name, and call validate_exp to validate the expression.
8000 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8001 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8002 all callers changed.
8003 (validate_exp, needs_variable, struct constraint_data)
8004 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8005 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8006 (const_dbl_constraints, constraint_max_namelen)
8007 (have_register_constraints, have_memory_constraints)
8008 (have_address_constraints, have_address_constraints)
8009 (have_extra_constraints, have_const_int_constraints)
8010 (have_const_dbl_constraints, mangle, add_constraint)
8011 (process_define_constraint, process_define_register_constraint)
8012 (write_enum_constraint_num, write_lookup_constraint)
8013 (write_insn_constraint_len, write_regclass_for_constraint)
8014 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8015 (write_insn_extra_memory_constraint)
8016 (write_insn_extra_address_constraint)
8017 (write_satisfies_constraint_fns): New.
8018 (write_tm_preds_h): If we have new-style constraint definitions,
8019 prototype the functions generated from them, and define the
8020 old constraint interface (still used by generic code) in terms of
8022 (write_insn_preds_c): If we have new-style constraint definitions,
8023 generate all relevant functions from those definitions.
8024 (main): Handle define_constraint etc.
8025 * genoutput.c (struct constraint_data, indep_constraints)
8026 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8027 (mdep_constraint_len): New data structures and functions, defined
8028 #ifdef USE_MD_CONSTRAINTS.
8029 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8030 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8031 use new logic to validate operand constraints against constraint
8033 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8035 * defaults.h: If none of the old-style constraint macros are
8036 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8037 old-style macros; and poison REG_CLASS_FROM_LETTER,
8038 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8040 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8041 * doc/md.texi: Document new constraint-definition mechanism and the
8042 C interface it provides. Remove references to old mechanism
8043 elsewhere in the document.
8044 (Machine Constraints): Use pathnames relative to gcc directory,
8045 i.e. config/ARCH/FILE. Change i386 section to refer to
8046 config/i386/predicates.md; update that section to match docstrings.
8047 * doc/tm.texi: Move all documentation of the old constraint-
8048 definition macros to their own section, clearly mark as obsolete.
8050 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8051 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8053 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8054 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8055 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8057 (splits and peepholes): Use satisfies_constraint_*.
8058 * config/i386/i386.c (memory_address_length)
8059 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8061 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8063 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8064 scalar operation to be put back into the loop.
8066 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8069 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8070 (extract_cie_info): Handle S flag in augmentation string.
8071 (execute_cfa_program): If context->signal_frame, execute also
8072 fs->pc == context->ra instructions.
8073 (uw_frame_state_for): If context->signal_frame, don't subtract one
8074 from context->ra to find FDE.
8075 (uw_update_context_1): Set context->signal_frame to
8077 (_Unwind_GetIPInfo): New function.
8078 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8079 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8081 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8082 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8083 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8084 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8085 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8086 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8087 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8088 x86_64_fallback_frame_state): Set fs->signal_frame.
8089 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8090 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8091 (frob_update_context): Likewise. Workaround missing S flag in
8092 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8093 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8094 Remove the psw_addr + 1 hack.
8096 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8098 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8099 with aggregates here.
8100 (find_func_aliases): Remove code for &<aggregate> from here.
8102 2006-02-26 Roger Sayle <roger@eyesopen.com>
8104 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8105 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8106 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8109 2006-02-26 Roger Sayle <roger@eyesopen.com>
8112 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8114 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8116 * opts.c (decode_options): Do not handle flag_strength_reduce.
8117 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8118 and OPT_fstrength_reduce.
8119 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8120 flag_prefetch_loop_arrays for being nonzero.
8121 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8123 (fprefetch-loop-arrays-rtl): Removed.
8124 (flag_prefetch_loop_arrays): Do not specify the value.
8126 * doc/passes.texi: Update documentation of loop optimizer
8128 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8129 -frerun-loop-opt): Remove.
8131 2006-02-26 Richard Guenther <rguenther@suse.de>
8133 PR tree-optimization/26421
8134 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8135 in function calls that are ADDR_EXPRs as using the whole structure.
8137 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8139 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8140 * tree-pass.h (pass_loop_optimize): Remove.
8141 * passes.c (pass_loop_optimize): Never run it.
8142 * toplev.c (backend_init): Don't call init_loop.
8143 * opts.c (flag_loop_optimize_set): Remove.
8144 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8145 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8146 the old RTL loop optimizer when profiling enabled.
8147 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8148 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8149 pre-headers for the sake of the old RTL loop optimizer.
8150 * Makefile.in: Remove all references to loop.o.
8152 * doc/invoke.texi: Remove all references to -floop-optimize
8153 and -frerun-loop-opt.
8155 2006-02-26 Zack Weinberg <zackw@panix.com>
8157 * doc/md.texi (Machine Constraints): Refer to all files with paths
8158 relative to gcc directory (i.e. config/CPU/file). Add missing
8159 @table @code ... @end table to M32C subsection.
8161 2006-02-26 Roger Sayle <roger@eyesopen.com>
8163 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8165 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8167 2006-02-26 Roger Sayle <roger@eyesopen.com>
8168 James A. Morrison <phython@gcc.gnu.org>
8171 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8172 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8173 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8174 signedness of the shift operation.
8176 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8178 PR tree-optimization/26359
8179 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8181 2006-02-25 Roger Sayle <roger@eyesopen.com>
8183 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8184 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8185 as X == 0, and some symmetry related transformations.
8186 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8188 2006-02-25 Roger Sayle <roger@eyesopen.com>
8191 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8192 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8193 symmetry related transformations. Fold (X^C1) == C2 as
8196 2006-02-25 Juergen Weigert <jw@suse.de>
8197 Richard Guenther <rguenther@suse.de>
8199 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8201 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8203 * combine.c (gen_lowpart_or_truncate): Call
8204 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8206 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8208 * doc/invoke.texi: Move -fopenmp description to "Options for
8210 Remove reference to -lgomp.
8212 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8214 * doc/install.texi: Require GNU tar version 1.14.
8216 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8218 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8219 * doc/invoke.texi (C++ Dialect Options): Document
8220 -fno-use-cxa-get-exception-ptr.
8221 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8222 * configure: Regenerate.
8223 * c.opt (fuse-cxa-get-exception-ptr): New.
8224 * c-opts.c (c_common_handle_option): Handle
8225 OPT_fuse_cxa_get_exception_ptr.
8226 * c-common.c (flag_use_cxa_atexit): Update documentation.
8227 (flag_use_cxa_get_exception_ptr): New.
8228 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8229 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8231 (C_COMMON_OVERRIDE_OPTIONS): New.
8233 2006-02-24 Roger Sayle <roger@eyesopen.com>
8236 * combine.c (try_combine): Explicitly check whether GET_CODE is
8237 a SET or a CLOBBER, instead on checking that it isn't a USE.
8239 2006-02-24 Roger Sayle <roger@eyesopen.com>
8241 * fold-const.c (fold_comparison): New subroutine of fold_binary
8242 containing transformations common to both the equality and
8243 ordering relational operators, factored out of fold_binary.
8244 (fold_binary): Separate out the equality operators (EQ_EXPR
8245 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8246 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8247 transformations common to both.
8248 (fold_div_compare): Fix latent bugs in the previously unreachable
8249 LT_EXPR and GE_EXPR cases.
8251 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8253 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8254 decl libname for clog to __clog on AIX.
8256 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8258 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8261 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8262 output traceback table for thunks. Localise rs6000_stack_info call.
8264 2006-02-23 Roger Sayle <roger@eyesopen.com>
8265 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8267 * gthr-posix.h (__gthrw): Fix typo in comment.
8269 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8271 * doc/cpp.texi (Character sets): Document that we do support
8272 input files to be in any character set.
8274 2006-02-23 Jeff Law <law@redhat.com>
8276 * tree.h (PHI_ARG_NONZERO): Remove.
8277 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8278 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8279 node to the new node.
8281 PR tree-optimization/26425
8282 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8283 min/max, then assume its varying.
8285 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8287 PR rtl-optimization/26316
8288 * rtlanal.c (enum may_trap_p_flags): New.
8289 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8290 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8291 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8292 (may_trap_after_code_motion_p): New function.
8293 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8294 (find_invariant_insn): Use may_trap_after_code_motion_p.
8295 * rtl.h (may_trap_after_code_motion_p): Declare.
8297 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8299 * emit-rtl.c (immed_double_const): Cleanup.
8301 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8303 Fix PR tree-optimization/26376
8304 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8307 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8310 * gimplify.c (omp_add_variable): Guard variable size decl test with
8311 DECL_SIZE (decl) check.
8313 2006-02-23 Richard Guenther <rguenther@suse.de>
8316 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8317 like aggregate types.
8319 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8321 * configure.ac: Add --with{,out}-long-double-128 configure option.
8322 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8323 * configure: Rebuilt.
8324 * config.in: Rebuilt.
8325 * doc/install.texi (Options specification): Document
8326 --with-long-double-128.
8328 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8329 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8330 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8331 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8333 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8335 * config/s390/s390.c (override_options): Handle
8336 TARGET_DEFAULT_LONG_DOUBLE_128.
8338 * config/alpha/alpha.c (override_options): Handle
8339 TARGET_DEFAULT_LONG_DOUBLE_128.
8341 * config/sparc/sparc.c (sparc_override_options): Handle
8342 TARGET_DEFAULT_LONG_DOUBLE_128.
8344 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8346 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8347 (real-install-headers-tar, real-install-headers-cpio)
8348 (real-install-headers-cp): New targets.
8350 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8352 * tree.h (variable_section): Delete.
8353 * varasm.c (variable_section): Delete.
8355 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8357 * install.texi: Add notes on install.texi2html.
8358 (Building in parallel): Do not use footnotes.
8360 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8363 * doc/install.texi (Configuration): Document --disable-libgomp.
8365 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8367 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8369 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8371 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8372 (vec_extractv2df_0_sse): New.
8374 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8376 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8377 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8378 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8379 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8380 to the result of the expression.
8381 (def_cfa_1): Adjust.
8382 (frame_pointer_cfa_offset): Rename to...
8383 (frame_pointer_fb_offset): ... this. Adjust all uses.
8384 (convert_cfa_to_loc_list): Rename to...
8385 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8386 Pass it on to build_cfa_loc.
8387 (compute_frame_pointer_to_cfa_displacement): Rename to...
8388 (compute_frame_pointer_to_fb_displacement): ... this. New
8389 offset parameter. Use it in computation.
8390 (gen_subprogram_die): Compute cfa_fb_offset with the new
8391 macro, and use it to compute the fb loc list and the
8394 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8396 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8397 replaced with register_operand.
8398 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8399 non-DREG is expensive.
8400 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8401 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8404 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8406 * doc/install.texi2html: Use set -e.
8408 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8410 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8411 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8412 * doc/invoke.texi (-fshared-data): Delete.
8413 * common.opt (fshared-data): Delete.
8414 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8415 (assemble_static_space): Remove #if 0 code.
8416 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8417 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8418 * config/cris/cris.h: Remove FIXME.
8420 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8422 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8425 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8428 * combine.c (simplify_shift_const_1): Disable nested shifts
8429 optimization for vector shifts.
8431 2006-02-20 Roger Sayle <roger@eyesopen.com>
8433 PR tree-optimization/26361
8434 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8435 of unsigned integer types.
8437 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8439 * tree-chrec.c (eq_evolutions_p): New.
8440 * tree-chrec.h (eq_evolutions_p): Declared.
8441 * tree-data-ref.c: Fix formatting.
8442 (datadep_stats, dependence_stats): New.
8444 (print_direction_vector): New.
8445 (dump_data_dependence_relation): Use print_direction_vector.
8446 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8447 (compute_subscript_distance): Static.
8448 (initialize_data_dependence_relation): Static. Get the number
8449 of loops surrounding the references from the callers, and initialize
8450 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8451 base_object_differ_p analyzers.
8452 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8453 compute_overlap_steps_for_affine_1_2,
8454 analyze_subscript_affine_affine): Count the classified dependences.
8455 Print a message when a test failed.
8456 (can_use_analyze_subscript_affine_affine): New.
8457 (analyze_siv_subscript): Compute the data dependences on symbolic
8458 scevs that verify can_use_analyze_subscript_affine_affine.
8459 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8460 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8461 Handle symbolic scevs.
8462 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8464 (subscript_dependence_tester): Moved...
8465 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8466 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8467 DDR_SIZE_VECT instead of getting it in parameter.
8468 (subscript_dependence_tester): ... here. Take as a parameter
8469 loop_nest_depth. Call build_classic_dist_vector and
8470 build_classic_dir_vector.
8471 (compute_affine_dependence): Update subscript_dependence_tester
8472 parameters. Update datadep_stats counters. Call
8473 compute_subscript_distance.
8474 (compute_self_dependence): Save the dist and dir vectors. Call
8475 compute_subscript_distance.
8476 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8477 (compute_all_dependences): Reorder parameters as they were before
8478 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8479 compute_subscript_distance. Update the use of
8480 compute_affine_dependence and initialize_data_dependence_relation.
8481 (find_data_references_in_loop): Handle COMPONENT_REF.
8482 (compute_data_dependences_for_loop): Initialize dependence_stats.
8483 Don't call build_classic_dist_vector and build_classic_dir_vector.
8484 Update the parameters of initialize_data_dependence_relation and
8485 compute_all_dependences. Print the statistics from datadep_stats.
8486 (analyze_all_data_dependences): Static. Not used until the pass for
8487 checking the data dependences is contributed.
8488 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8489 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8490 (initialize_data_dependence_relation, compute_affine_dependence,
8491 analyze_all_data_dependences, compute_subscript_distance): Removed.
8492 (print_direction_vector): New.
8493 * lambda.h (gcd): ... here.
8494 (lambda_vector_gcd): Moved here from gcd_vector.
8495 * lambda-code.c (gcd, gcd_vector): Removed.
8496 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8497 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8499 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8501 * ipa-type-escape.c: Tidy some comments and white space.
8502 * tree-ssa-operands.c: Likewise.
8504 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8507 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8508 (dump_decl_name): Do not walk the decl tree chains.
8509 * tree-pass.h (TDF_CHAIN): Remove.
8511 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8513 * Makefile.in (C): Remove
8515 (.PHONY): Remove C and PROTO
8517 2006-02-20 Roger Sayle <roger@eyesopen.com>
8520 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8521 deprecated CHAR_TYPE tree code.
8523 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8525 * configure.ac (target_list): Add install-info, dvi, html.
8526 * configure: Regenerate.
8528 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8529 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8530 treelang/Make-lang.in: Do not use double-colon rules.
8532 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8534 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8535 (TMT_USED_ALONE): New macro.
8536 * tree-pass.h (PROP_tmt_usage): New property.
8537 (TODO_update_tmt_usage): New todo.
8538 * tree-ssa-alias.c (updating_used_alone): New variable.
8539 (recalculate_used_alone): New function.
8540 (compute_may_aliases): Set updating_used_alone, call
8541 recalculate_used_alone.
8542 * tree-sra.c (pass_sra): Note that this pass destroys
8543 PROP_tmt_usage, and add TODO_update_tmt_usage.
8544 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8545 * tree-flow.h (updating_used_alone): Prototype.
8546 (recalculate_used_alone): Ditto.
8547 * passes.c (execute_todo): Add code to set updating_used_alone,
8548 and call recalculate.
8549 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8550 for clobber if used alone, and add assert to verify used_alone
8553 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8555 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8556 for non tls symbols added.
8557 (legitimize_address): Do nothing for PLUS expressions if one of the
8558 addends is a tls symbol reference.
8560 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8564 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8566 * Makefile.in (BOOTSTRAPPING): New.
8567 (quickstrap): New definition if BOOTSTRAPPING=yes.
8569 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8570 * configure.ac: Substitute all_selected_languages with the languages
8571 that were configured. For all the other variables except
8572 lang_specs_files, include all the languages in the tree.
8573 * configure: Regenerate.
8575 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8576 if there is one. Run the commands to run fixincludes in the same
8579 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8580 * doc/install.texi: Document exact conventions for searching target tools.
8581 Document --with-build-time-tools. Document toplevel bootstrap. Document
8582 something more about building an Ada cross-compiler. Don't list GNU Make
8583 requirements which affect all platforms.
8585 2006-02-19 Roger Sayle <roger@eyesopen.com>
8588 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8589 only equivalent if the have both the same mode and precision.
8591 2006-02-20 Ben Elliston <bje@au.ibm.com>
8593 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8595 2006-02-19 Roger Sayle <roger@eyesopen.com>
8596 Steven Bosscher <stevenb.gcc@gmail.com>
8598 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8599 constant pool references to identify stack mode constants.
8600 * rtlanal.c (constant_pool_constant_p): New predicate to check
8601 whether operand is a floating point constant in the pool.
8602 * rtl.h (constant_pool_constant_p): Prototype here.
8603 * loop.c (scan_loop): Avoid hoisting constants from the constant
8604 pool on STACK_REGS targets.
8605 (load_mems): Likewise.
8606 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8607 loads into x87 registers expensive in terms of register pressure.
8609 2006-02-19 Roger Sayle <roger@eyesopen.com>
8611 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8612 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8614 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8616 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8617 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8619 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8621 * doc/invoke.texi: Document -fipa-pta.
8622 * common.opt: Add ipa-pta option.
8623 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8624 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8625 (do_ds_constraint): Ditto.
8626 (get_constraint_for): Only add to referenced_vars if
8627 referenced_vars exists.
8628 (insert_into_field_list): Rewrite to do this unsorted.
8629 (insert_into_field_list_sorted): Rename old insert_into_field_list
8631 (create_function_info_for): Use insert_into_field_list_sorted.
8632 (create_variable_info_for): Rewrite so it uses unsorted version,
8633 since the field list is sorted.
8634 (intra_create_variable_infos): Only add to referenced_vars if
8635 referenced_vars exists.
8636 (ipa_pta_execute): Init heapvars, and delete when done.
8637 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8639 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8641 * doc/install.texi: Add missing `@samp'.
8643 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8645 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8648 2006-02-18 Mark Wielaard <mark@klomp.org>
8650 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8651 who added new 4.1 features, bug fixes and integration support.
8653 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8656 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8659 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8661 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8662 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8663 (copy_insn_1): Likewise. Don't copy each field individually.
8665 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8667 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8668 * rtl.c (rtx_size): Rename variable to...
8669 (rtx_code_size): ...this.
8670 (rtx_size): New function.
8671 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8672 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8674 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8675 * rtl.h (rtx_code_size): New variable.
8676 (rtx_size): Change from a variable to a function.
8677 (RTX_SIZE): Rename to...
8678 (RTX_CODE_SIZE): ...this.
8681 PR tree-optimization/17106
8682 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8683 (Anchored Addresses): New section.
8684 * doc/invoke.texi (-fsection-anchors): Document.
8685 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8686 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8687 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8688 * hooks.c (hook_bool_mode_rtx_false): New function.
8689 * hooks.h (hook_bool_mode_rtx_false): Declare.
8690 * gengtype.c (create_optional_field): New function.
8691 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8692 SYMBOL_REF_IN_BLOCK_P is true.
8693 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8694 (min_anchor_offset, max_anchor_offset): Likewise.
8695 (use_anchors_for_symbol_p): New hook.
8696 * toplev.c (compile_file): Call output_object_blocks.
8697 (target_supports_section_anchors_p): New function.
8698 (process_options): Check that -fsection-anchors is only used on
8699 targets that support it and when -funit-at-a-time is in effect.
8700 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8701 if the decl doesn't have one.
8702 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8703 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8704 of force_const_mem through use_anchored_address.
8705 (expand_expr_constant): New function.
8706 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8707 calling expand_expr for INDIRECT_REF.
8708 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8709 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8710 * expr.h (use_anchored_address): Declare.
8711 * loop-unroll.c: Don't declare rtx vectors here.
8712 * explow.c: Include output.h.
8713 (validize_mem): Call use_anchored_address.
8714 (use_anchored_address): New function.
8715 * common.opt (-fsection-anchors): New switch.
8716 * varasm.c (object_block_htab, anchor_labelno): New variables.
8717 (hash_section, object_block_entry_eq, object_block_entry_hash)
8718 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8719 (use_blocks_for_decl_p, change_symbol_section): New functions.
8720 (get_variable_section): New function, split out from assemble_variable.
8721 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8722 use_blocks_for_decl_p say so. Use change_symbol_section if the
8723 symbol has already been created.
8724 (assemble_variable_contents): New function, split out from...
8725 (assemble_variable): ...here. Don't output any code for
8726 block symbols; just pass them to place_block_symbol.
8727 Use get_variable_section and assemble_variable_contents.
8728 (get_constant_alignment, get_constant_section, get_constant_size): New
8729 functions, split from output_constant_def_contents.
8730 (build_constant_desc): Create a block symbol if use_object_blocks_p
8731 says so. Or into SYMBOL_REF_FLAGS.
8732 (assemble_constant_contents): New function, split from...
8733 (output_constant_def_contents): ...here. Don't output any code
8734 for block symbols; just pass them to place_section_symbol.
8735 Use get_constant_section and get_constant_alignment.
8736 (force_const_mem): Create a block symbol if use_object_blocks_p and
8737 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8738 (output_constant_pool_1): Add an explicit alignment argument.
8739 Don't switch sections here.
8740 (output_constant_pool): Adjust call to output_constant_pool_1.
8741 Switch sections here instead. Don't output anything for block symbols;
8742 just pass them to place_block_symbol.
8743 (init_varasm_once): Initialize object_block_htab.
8744 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8745 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8746 (place_block_symbol, get_section_anchor, output_object_block)
8747 (output_object_block_htab, output_object_blocks): New functions.
8748 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8749 (TARGET_ASM_OUT): Include it.
8750 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8751 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8752 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8753 (TARGET_INITIALIZER): Include them.
8754 * rtl.c (rtl_check_failed_block_symbol): New function.
8755 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8756 (block_symbol, object_block): New structures.
8757 (rtx_def): Add a block_symbol field to the union.
8758 (BLOCK_SYMBOL_CHECK): New macro.
8759 (rtl_check_failed_block_symbol): Declare.
8760 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8761 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8762 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8763 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8764 * output.h (output_section_symbols): Declare.
8765 (object_block): Name structure.
8766 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8767 (default_use_anchors_for_symbol_p): Declare.
8768 * Makefile.in (RTL_BASE_H): Add vec.h.
8769 (explow.o): Depend on output.h.
8770 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8771 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8772 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8773 (rs6000_use_blocks_for_constant_p): New function.
8775 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8777 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8779 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8782 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8785 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8787 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8791 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8794 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8795 instead of DECL_REGISTER.
8797 2006-02-18 Olivier Hainque <hainque@adacore.com>
8800 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8802 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8805 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8806 * opth-gen.awk: Handle Var and InverseMask together.
8807 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8808 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8809 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8810 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8812 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8813 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8814 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8815 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8816 LINUX_DYNAMIC_LINKER): Define.
8817 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8818 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8820 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8821 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8822 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8823 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8824 (TARGET_C99_FUNCTIONS): Don't define.
8825 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8826 GLIBC_DYNAMIC_LINKER.
8827 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8828 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8829 GLIBC_DYNAMIC_LINKER64): Define.
8830 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8831 LINUX_DYNAMIC_LINKER64.
8832 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8833 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8834 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8835 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8836 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8837 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8838 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8839 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8840 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8841 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8842 and LINUX_DYNAMIC_LINKER32.
8843 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8844 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8845 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8846 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8847 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8849 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8850 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8851 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8852 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8853 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8854 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8855 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8856 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8857 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8858 LINUX_DYNAMIC_LINKER): Define.
8859 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8860 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8861 GLIBC_DYNAMIC_LINKER64): Define.
8862 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8863 LINUX_DYNAMIC_LINKER64.
8864 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8865 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8866 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8867 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8868 LINUX_DYNAMIC_LINKER): Define.
8869 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8870 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8871 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8872 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8873 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8874 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8875 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8876 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8877 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8878 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8879 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8880 * doc/invoke.texi (-muclibc): Remove caveat about supported
8883 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8885 * doc/cpp.texi (__TIMESTAMP__): Document.
8887 2006-02-17 Roger Sayle <roger@eyesopen.com>
8890 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8891 C is one less than the width of X (and related transformations).
8892 * simplify-rtx.c (simplify_unary_operation_1): Transform
8893 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8894 depending on STORE_FLAG_VALUE, were C is one less then the
8897 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8899 Fix PR tree-optimization/26341
8900 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8901 about NAME_MEMORY_TAG's.
8903 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8906 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8907 with hardware float support, and software float support. Add fcpy
8908 alternative to hardware patterns. Add alternatives to copy between
8909 general and floating-point registers to the 32-bit pattern.
8910 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8911 secondary reload to load a QI or HI mode constant into a floating
8913 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8914 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8916 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8919 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8921 (load_macho_picbase_di): Likewise.
8923 2006-02-16 Jeff Law <law@redhat.com>
8925 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8926 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8927 (ssa_name_nonzero_p): Likewise.
8928 (get_value_range): Return NULL if VRP is not running.
8929 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8930 VRP routines do not discover a range.
8931 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8932 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8933 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8934 (tree_expr_nonnegative_p): Similarly.
8935 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8936 (restore_nonzero_vars_to_original_value): Remove.
8937 (unsafe_associative_fp_binop): Remove.
8938 (tree_ssa_dominator_optimize): Remove initialization and
8939 finalization of nonzero_vars and nonzero_vars_stack.
8940 (dom_opt_initialize_block): No longer push marker on
8942 (dom_opt_finalize_block): No longer call
8943 restore_nonzero_vars_to_original_value.
8944 (record_equivalences_from_phis): No longer look for
8945 nonzero PHI arguments.
8946 (cprop_into_successor_phis): No longer propagate nonzero
8947 property into PHI arguments. Lose unused argument. Caller
8949 (record_equivalences_from_stmt): No longer record nonzero
8950 values for SSA_NAMEs.
8951 (lookup_avail_expr): No longer use nonzero_vars.
8953 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8954 for sizetype when sizetype is unsigned.
8956 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8958 PR rtl-optimization/25603
8959 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8960 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8961 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8962 with new meaning of SETS.
8964 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8969 * config/linux.opt: New file.
8970 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8971 LINUX_DYNAMIC_LINKER): Define.
8972 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8973 * config.gcc (*-*-linux*): Define extra_options.
8974 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8975 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8976 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8977 GLIBC_DYNAMIC_LINKER.
8978 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8979 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8980 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8981 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8982 * doc/invoke.texi (GNU/Linux Options): New section.
8984 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8986 * config/sparc/sparc.md (setjmp): Rewrite.
8987 (setjmp_32): Delete.
8988 (setjmp_64): Likewise.
8990 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8992 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8995 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8997 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9000 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9002 PR rtl-optimization/26296
9003 * Makefile.in (loop-invariant.c): Add except.h dependency.
9004 * loop-invariant.c: Include except.h.
9005 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9007 2005-02-16 Paul Brook <paul@codesourcery.com>
9009 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9012 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9014 PR rtl-optimization/25636
9015 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9016 when deciding whether an insn is an initializing insn.
9018 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9020 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9021 (tree_code_size): Ditto.
9022 * tree.h (struct tree_memory_tag): Remove parent_var.
9023 (struct tree_struct_field_tag): New.
9026 (union tree_node): Add sft member.
9027 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9029 (create_sft): Add size and offset argument, set SFT_OFFSET and
9031 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9032 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9033 * tree-flow-inline.h (get_subvar_at): Update for
9034 SFT_OFFSET/SFT_SIZE.
9035 (var_can_have_subvars): Ditto.
9036 (overlap_subvar): Ditto.
9037 * print-tree.c (print_node): Print out interesting things for
9039 * tree-flow.h (struct subvar): Remove offset and size members.
9040 * tree-ssa-operands.c (get_expr_operands): Update for
9041 get_indirect_ref_operands changes.
9042 (get_indirect_ref_operands): Call add_virtual_operand instead of
9043 add_stmt_operand. Only recurse on base var if requested.
9044 (access_can_touch_variable): New function.
9045 (add_stmt_operand): Split virtual operand handling into ...
9046 (add_virtual_operand): Here. Add offset, size, and for_clobber
9047 arguments. Prune alias sets.
9048 (add_call_clobber_ops): Call add_virtual_operand.
9050 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9053 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9055 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9056 than TREE_CODE as index into omp_clause_num_ops array.
9058 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9060 PR rtl-optimization/26184
9061 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9063 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9064 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9065 must_precede, must_follow and tobe_scheduled.
9068 * opts.c (common_handle_option): Free new_option pointer.
9069 * df-core.c (df_analyze): Free postorder pointer.
9071 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9073 * Makefile.in: Fix the examples about the use of stamps
9075 2006-02-15 Michael Matz <matz@suse.de>
9079 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9080 influenced by maximum_field_alignment or DECL_PACKED.
9081 (update_alignment_for_field): Ditto.
9082 (place_field): Ditto.
9083 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9086 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9088 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9089 (debug_flow_info): Pass it.
9090 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9091 * bb-reorder.c (reorder_basic_blocks): Likewise.
9092 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9093 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9094 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9095 * gcse.c (gcse_main, bypass_jumps): Likewise.
9096 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9097 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9098 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9099 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9100 * rtl.h (dump_flow_info): Adjust prototype.
9101 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9102 * var-tracking.c (variable_tracking_main): Likewise.
9103 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9104 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9107 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9109 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9112 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9114 PR tree-optimization/26209
9115 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9116 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9118 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9120 2006-02-14 Roger Sayle <roger@eyesopen.com>
9123 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9124 (X,Y) and the corresponding symmetry related transformations.
9125 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9126 (X,Y) and its symmetry related transformations.
9128 2006-02-14 Roger Sayle <roger@eyesopen.com>
9130 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9133 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9135 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9137 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9140 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9141 support COMDAT group.
9142 * configure: Regenerate.
9144 2006-02-14 Roger Sayle <roger@eyesopen.com>
9149 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9151 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9153 Fix PR tree-optimization/26260
9155 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9157 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9158 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9159 * tree-ssa-structalias.c (create_variable_info_for): Use
9160 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9162 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9164 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9166 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9167 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9168 of the ending condition.
9169 * tree-ssa-loop-manip.c: Include params.h.
9170 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9171 tree_unroll_loop): New functions.
9172 * tree-pass.h (pass_loop_prefetch): Declare.
9173 * loop.c (rest_of_handle_loop_optimize): Test for
9174 -fprefetch-loop-arrays-rtl.
9175 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9176 * timevar.def (TV_TREE_PREFETCH): New timevar.
9177 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9178 pass_loop_prefetch): New.
9179 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9180 (cleanup_tree_cfg_loop): Call scev_reset.
9181 * common.opt (fprefetch-loop-arrays-rtl): Add.
9182 * tree-ssa-loop-prefetch.c: New file.
9183 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9184 (new_temp_expr_table): Initialize expr_vars.
9185 (free_temp_expr_table): Cleanup expr_vars.
9186 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9187 expressions from being merged into one.
9188 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9189 (struct tree_niter_desc): Add control, bound and cmp fields.
9190 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9192 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9193 (tree-cfgcleanup.o): Add SCEV_H dependency.
9194 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9195 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9197 2006-02-14 Richard Guenther <rguenther@suse.de>
9199 PR tree-optimization/26258
9200 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9201 in PHI argument processing.
9203 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9205 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9206 new expression in the requested machine mode.
9208 2006-02-13 Roger Sayle <roger@eyesopen.com>
9210 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9211 directly, instead let do_compare_rtx_and_jump handle this for us.
9212 * expr.c (expand_expr_real_1): Likewise.
9213 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9214 before do_jump_by_parts_greater.
9215 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9216 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9218 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9220 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9222 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9224 PR rtl-optimization/26235
9225 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9226 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9229 2006-02-13 Jeff Law <law@redhat.com>
9231 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9234 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9237 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9238 twice if decl is a builtin. When trying again, call get_callee_fndecl
9239 first to verify it is still a builtin.
9241 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9243 * dwarf2out.c (base_type_die): Don't add AT_name here.
9244 (subrange_type_die): Don't add AT_name here.
9245 (modified_type_die): Rearrange code flow. Do add AT_name here.
9247 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9249 PR rtl-optimization/26247
9250 PR rtl-optimization/26248
9251 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9253 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9255 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9256 * config/fixtfdi.c: Likewise.
9257 * config/fixunstfdi.c: Likewise.
9258 * config/floatditf.c: Likewise.
9260 2006-02-13 Roger Sayle <roger@eyesopen.com>
9263 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9264 into (X,C2) if C1 is a subset of the bits of C2. Transform
9265 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9267 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9269 2006-02-13 Josh Conner <jconner@apple.com>
9272 * varasm.c (function_section): Check for section name before
9273 calling select_section on targets that define
9274 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9275 unlikely_text_section instead of hot_function_section if
9276 first_function_block_is_cold.
9278 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9281 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9283 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9285 PR rtl-optimization/26222
9286 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9287 after tree->rtl expansion.
9288 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9289 before passing it to emit_move_insn.
9291 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9293 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9295 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9296 Clarify documentation.
9297 * c-common.h (warn_write_strings): Remove.
9298 * c-common.c (warn_write_strings): Likewise.
9299 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9302 2006-02-12 Roger Sayle <roger@eyesopen.com>
9305 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9306 (do_jump_parts_zero_rtx): New function renamed from
9307 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9308 (do_jump_parts_equality_rtx): New function split out from
9309 do_jump_parts_equality. Old implementation renamed as above.
9310 Call do_jump_parts_zero_rtx if either operand is zero.
9311 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9312 do all of the heavy lifting.
9313 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9314 calling either do_jump_by_parts_greater_rtx or
9315 do_jump_by_parts_equality_rtx.
9316 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9317 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9318 moved to do_compare_rtx_and_jump, call it directly.
9319 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9320 mode argument. Call do_compare_rtx_and_jump.
9321 (emit_case_nodes): Update calls to do_jump_if_equal.
9323 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9325 PR rtl-optimization/26225
9326 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9328 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9330 PR rtl-optimization/26232
9331 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9333 2006-02-11 Jason Merrill <jason@redhat.com>
9336 * tree-inline.c (declare_return_variable): Just don't use the
9337 modify target if it's a gimple complex reg and the return slot
9340 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9342 * doc/contrib.texi: Update my entry.
9344 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9346 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9348 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9350 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9353 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9355 * doc/invoke.texi (-floop-optimize2): Removed.
9356 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9357 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9358 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9359 * common.opt (floop-optimize2): Removed.
9360 (fmove-loop-invariants): Enabled by default.
9362 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9364 * tree-if-conv.c (combine_blocks): Free the result of
9365 get_loop_exit_edges.
9367 2006-02-10 Jeff Law <law@redhat.com>
9369 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9371 PR tree-optimization/26213
9372 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9373 loop trying to follow SSA_NAME_VALUE chains.
9375 2006-02-10 Richard Guenther <rguenther@suse.de>
9377 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9378 deal with structures that end in implicitly variable sized arrays.
9380 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9382 PR rtl-optimization/24762
9383 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9386 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9388 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9389 (struct ivopts_data): Add regs_used field.
9390 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9391 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9392 instead of loop_data->regs_used;
9393 (free_loop_data): Do not free aux fields for loops.
9394 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9395 and tree_ssa_iv_optimize_finalize.
9397 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9399 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9401 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9404 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9405 computing the effective result type.
9407 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9410 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9411 (tree_overlaps_hard_reg_set): Declare.
9412 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9413 type and signature to match function type expected by walk_tree.
9414 (tree_overlaps_hard_reg_set): New function.
9415 (decl_conflicts_with_clobbers_p): Rename to:
9416 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9417 Use tree_overlaps_hard_reg_set. Changed caller.
9418 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9419 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9420 * cris.c (cris_md_asm_clobbers): Likewise.
9422 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9424 * reload1.c (emit_input_reload_insns): Delete code that tries to
9425 inherit using find_equiv_reg.
9427 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9429 * c-common.h (flag_const_strings): Don't declare.
9430 * c-common.c (flag_const_strings): Remove.
9431 * c.opt (fconst_strings): Remove.
9432 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9433 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9434 (c_common_init_options): Don't set flag_const_strings.
9435 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9437 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9439 * arm.md (tlobits_cbranch): New pattern.
9440 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9441 testing a single bit.
9443 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9446 * tree-ssa-pre.c (create_component_ref_by_pieces):
9447 Handle RETURN_DECL like VAR_DECL.
9449 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9452 * fold-const.c (fold_indirect_ref_1): Fold
9453 "*(foo *)&complexfoo" to "__real__ complexfoo"
9454 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9456 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9458 * tree-flow-inline.h (var_can_have_subvars):
9459 Volatile variables should not have subvariables.
9461 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9464 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9465 multiplying unsigned values.
9468 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9470 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9472 2006-02-08 Jason Merrill <jason@redhat.com>
9475 * tree.def: Elaborate on difference from MODIFY_EXPR.
9476 * doc/c-tree.texi (INIT_EXPR): Likewise.
9477 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9478 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9479 (gimplify_target_expr): Likewise.
9480 (gimplify_cond_expr): Remove target handling.
9481 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9482 (gimplify_expr): Clobber it here.
9483 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9484 Do return slot optimization if we have an INIT_EXPR.
9487 * tree-inline.c (declare_return_variable): Also clear
9488 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9491 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9494 * gimplify.c (gimplify_one_sizepos): Fix typo.
9496 2006-02-08 Jeff Law <law@redhat.com>
9498 PR tree-optimization/21417
9499 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9500 across a backedge if the control statement at the end of the
9501 block is data dependent on other statements in the same block.
9502 (record_temporary_equivalences_from_stmts): Remove over-conservative
9503 test for threading across backedges.
9505 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9506 control statement, handle all three special cases in the same
9507 manner as they all have the same desired solution. No longer
9508 special case edge flag updating when the post dominator is
9511 2006-02-08 Roger Sayle <roger@eyesopen.com>
9513 * tree.def (CHAR_TYPE): Remove.
9514 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9515 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9516 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9517 (gen_string_type_die): Delete unreachable function.
9519 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9520 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9521 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9522 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9523 * builtins.c (type_to_class): Likewise.
9524 * fold-const.c (fold_convert, build_range_check,
9525 merge_ranges): Likewise.
9526 * expr.c (count_type_elements): Likewise.
9527 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9528 * stor-layout.c (layout_type): Likewise.
9529 * ipa-type-escape.c (type_to_consider): Likewise.
9530 * gimplify.c (omp_firstprivatize_type_sizes,
9531 gimplify_type_sizes): Likewise.
9532 * explow.c (promote_mode): Likewise.
9533 * tree-sra.c (is_sra_scalar_type): Likewise.
9534 * varasm.c (output_constant): Likewise.
9535 * tree-inline.c (remap_type_1): Likewise.
9536 * convert.c (convert_to_pointer, convert_to_real,
9537 convert_to_integer, convert_to_complex): Likewise.
9539 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9541 * df-scan.c (df_def_record_1): A set destination may
9542 be a parallel regardless of mode.
9544 2006-02-08 Roger Sayle <roger@eyesopen.com>
9547 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9548 * config/mips/_tilib.c: Remove.
9549 * config/fixtfdi.c: New libgcc source file.
9550 * config/fixunstfdi.c: New source file.
9551 * config/floatditf.c: New source file.
9552 * config/floatunditf.c: New souce file.
9553 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9554 files above instead of config/mips/_tilib.c.
9555 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9557 2006-02-08 Jeff Law <law@redhat.com>
9559 PR tree-optimization/26169
9560 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9563 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9565 * df.h (DF_REG_SIZE): Return the length of the initialized
9568 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9570 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9571 __muldf3): Return a correctly signed zero.
9573 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9575 * passes.c (register_one_dump_file): Accept the current properties
9576 instead of pass number. Adjust call to dump_register. Remove
9578 (register_dump_files): Now a wrapper around...
9579 (register_dump_files_1): ... this one. Do not modify the pass
9581 (next_pass_1): Cosmetic fix.
9582 (execute_todo): Keep second parameter only. Use curr_properties
9583 instead of fetching it from the pass structure. Check and set
9585 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9586 instead of fetching it from the pass structure. Fix calls to
9587 execute_todo. Update curr_properties and initialize .vcg RTL dump
9588 after running the pass. Reset last_verified.
9589 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9591 (FIRST_AUTO_NUMBERED_DUMP): New.
9592 (dump_register): Remove "num" parameter, assign it within the
9594 (get_dump_file_name): Modify template for dumps.
9595 * tree-dump.h (dump_register): Adjust prototype.
9596 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9597 (PROP_trees): Add PROP_gimple_lomp.
9598 (TODO_set_props): New.
9599 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9600 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9601 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9603 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9605 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9606 (sparc64-*-linux*): Likewise.
9607 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9608 * config/sparc/t-linux: New file.
9609 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9610 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9611 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9612 -m32 -mlong-double-128.
9614 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9615 * config/alpha/t-linux: New file.
9616 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9618 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9619 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9620 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9621 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9622 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9623 (CPP_ARCH32_SPEC): Remove.
9625 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9627 PR tree-optimization/26145
9628 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9631 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9634 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9635 >= 240000 when generating code for SOM runtime.
9636 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9637 to $$dyncall when generating code for SOM runtime..
9639 2006-02-07 Dirk Mueller <dmueller@suse.com>
9642 * doc/invoke.texi (-Wsequence-point): Update documentation
9643 that -Wsequence-point is implemented for C++ as well.
9645 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9647 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9648 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9649 (LIB_SPEC): Likewise.
9650 * doc/invoke.texi (SPARC options): Document -pthread.
9652 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9654 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9657 2006-02-07 Roger Sayle <roger@eyesopen.com>
9659 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9660 Correct comment describing BOOLEAN_TYPE.
9662 2006-02-07 Dirk Mueller <dmueller@suse.com>
9664 * c.opt: C++ frontend supports -Wdiv-by-zero.
9665 * c-opts.c (c_common_handle_option): Remove dead case.
9667 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9669 * configure.ac (TLS assembler check): Do not enable TLS by
9670 default on SPARC/Solaris before version 10.
9671 * configure: Regenerate.
9673 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9675 * doc/invoke.texi (xl-compat): Document conversion and support
9678 2006-02-07 Jeff Law <law@redhat.com>
9680 * tree-vrp.c (find_conditional_asserts): Update comments.
9681 (simplify_stmt_for_jump_threading): New.
9682 (identify_jump_threads, finalize_jump_threads): New.
9683 (vrp_finalize): Call identify_jump_threads.
9684 (execute_vrp): Call finalize_jump_threads.
9685 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9686 (vrp_element, vrp_data, vrp_element_p): Remove.
9687 (vrp_hash_elt, vrp_variables_stack): Remove.
9688 (vrp_hash, vrp_eq, record_range): Remove.
9689 (simplify_cond_and_lookup_avail_expr): Remove.
9690 (extract_range_from_cond): Remove.
9691 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9692 (simplify_stmt_for_jump_threading): New.
9693 (dom_thread_across_edge): New wrapper.
9694 (tree_ssa_dominator_optimize): No longer initialize or
9695 finalize any of the VRP datastructures. Remove iteration
9696 step and simplify as a result of removal of iteration step.
9697 (pass_dominator): Perform a cfg cleanup after DOM.
9698 (dom_opt_finalize_block): Use the new common routines
9699 for threading jumps. Simplify stack management slightly.
9700 No longer need to unwind VRP state.
9701 (record_equivalences_from_incoming_edge): No longer record
9703 (eliminate_redundant_computations): No longer call
9704 simplify_cond_and_lookup_avail_expr.
9705 * tree-flow.h (potentially_threadable_block): Prototype.
9706 (thread_across_edge): Likewise.
9707 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9708 (tree-ssa-threadedge.o): Add dependencies.
9709 * tree-ssa-threadedge.c: New file.
9710 * passes.c (init_optimization_passes): Merge PHIs before
9711 calling VRP. Run VRP again late in the SSA optimization pipeline.
9713 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9715 * df-core.c (df_set_blocks): Do not dereference function pointers.
9716 (df_finish1): Likewise.
9717 (df_hybrid_search_forward): Likewise.
9718 (df_hybrid_search_backward): Likewise.
9719 (df_iterative_dataflow): Likewise.
9720 (df_analyze_problem): Likewise.
9721 (df_compact_blocks): Likewise.
9722 (df_dump): Likewise.
9723 * df-scan.c (df_rescan_blocks): Likewise.
9724 (df_record_entry_block_defs): Likewise.
9726 * genconditions.c (write_conditions): Guard the definition of
9727 'insn_conditions' with the check on GCC version.
9728 (write_writer): Guard the traversal 'insn_conditions' with
9729 the check on GCC version.
9731 2006-02-07 Richard Guenther <rguenther@suse.de>
9735 2006-01-30 Richard Guenther <rguenther@suse.de>
9737 * gimplify.c (gimplify_target_expr): Handle easy cases
9738 without creating a temporary.
9740 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9742 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9743 use of float in probability computations. Use edge probabilities
9744 in place of statically computed probabilities.
9745 (min_spec_prob): New static variable.
9746 (schedule_insns): Initialize it.
9747 (GET_SRC_PROB): Removed.
9748 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9750 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9753 * config/ia64/unwind-ia64.c: Revert last change.
9754 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9755 (INCOMING_FRAME_SP_OFFSET): Define.
9757 2006-02-06 Roger Sayle <roger@eyesopen.com>
9759 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9761 2006-02-07 Ben Elliston <bje@au.ibm.com>
9763 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9764 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9765 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9766 (ix86_return_in_memory): Handle TDmode.
9767 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9768 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9770 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9772 * reorg.c (dbr_schedule): Use dump_file instead of file.
9774 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9777 * config/ia64/predicates.md (extr_len_operand): New predicate.
9778 * config/ia64/ia64.md (extv): Tighten constraints.
9780 (*tbit_and_2): Ditto.
9781 (*tbit_and_3): Ditto.
9782 (*tbit_or_2): Ditto.
9783 (*tbit_or_3): Ditto.
9787 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9790 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9792 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9794 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9795 loop_optimizer_init and loop_optimizer_finalize
9796 * tree-ssa-sink.c (execute_sink_code): Ditto.
9797 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9798 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9799 tree_ssa_loop_done): Ditto.
9800 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9801 * sched-ebb.c: Include output.h.
9802 (schedule_ebbs): Do not use dump argument.
9803 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9804 * loop.c (loop_dump_stream): Removed.
9805 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9807 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9808 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9809 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9810 loop_iterations, strength_reduce, record_biv, record_giv,
9811 final_giv_value, check_final_value, check_ext_dependent_givs,
9812 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9813 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9814 dump_file instead of loop_dump_stream.
9815 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9817 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9819 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9820 * haifa-sched.c: Include output.h
9821 (schedule_insns, sched_init): Do not use dump argument.
9822 * mode-switching.c (optimize_mode_switching): Ditto.
9823 * modulo-sched.c (stats_file): Removed.
9824 (print_node_sched_params): Do not call argument dump_file.
9825 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9826 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9828 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9830 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9831 rtl_loop_init, rtl_loop_done): Ditto.
9832 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9833 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9835 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9836 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9837 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9838 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9839 * emit-rtl.c (renumber_insns): Ditto.
9840 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9841 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9842 * regclass.c (regclass): Ditto.
9843 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9844 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9845 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9846 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9848 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9849 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9851 * gcse.c (gcse_file, debug_stderr): Removed.
9852 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9853 rest_of_handle_gcse): Do not use dump argument.
9854 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9855 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9856 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9857 compute_code_hoist_vbeinout, compute_code_hoist_data,
9858 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9859 compute_store_table, build_store_vectors, insert_insn_start_bb,
9860 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9861 store_motion): Use dump_file instead of gcse_file.
9862 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9863 * profile.c (profile_dump_file): Removed.
9864 (branch_prob): Use dump_file instead of profile_dump_file.
9865 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9867 * tree-ssa-copy.c (dump_copy_of): Ditto.
9868 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9869 dump file to life_analysis.
9870 * bt-load.c (branch_target_load_optimize): Ditto.
9871 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9873 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9874 regclass, dbr_schedule): Declaration changed.
9875 * sched-int.h (sched_init): Declaration changed.
9876 * tree-profile.c (tree_profile_dump_file): Removed.
9877 (tree_profile_hooks): Removed profile_dump_file hook.
9878 * rtl-profile (rtl_profile_dump_file): Removed.
9879 (rtl_profile_hooks): emoved profile_dump_file hook.
9880 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9882 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9883 * tree-cfg.c (build_tree_cfg): Ditto.
9884 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9885 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9886 Declaration changed.
9887 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9888 life_analysis and schedule_insns.
9889 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9891 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9893 * config/mips/mips.c (mips_reorg): Ditto.
9894 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9897 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9899 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9900 (s390_mangle_fundamental_type): New.
9901 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9904 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9905 (alpha_mangle_fundamental_type): New.
9906 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9909 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9911 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9913 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9914 (sparc_mangle_fundamental_type): New.
9916 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9918 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9919 (s390x-*-linux*): Likewise.
9920 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9921 * config/s390/t-linux: New file.
9923 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9925 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9926 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9928 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9930 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9931 (ANTIC_SAFE_LOADS): New macro.
9932 (find_or_generate_expression): Add prototype.
9933 (set_contains_value): Allow null set for sake of not always having
9934 to allocate ANTIC_SAFE_LOADS.
9935 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9936 Allow COMPONENT_REF too.
9937 (valid_in_set): Allow COMPONENT_REF.
9938 Check ANTIC_SAFE_LOADS too.
9939 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9940 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9942 (can_PRE_operation): Add COMPONENT_REF.
9943 (create_component_ref_by_pieces): New function.
9944 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9945 (insert_aux): Move AGGREGATE_TYPE_P check here.
9946 (compute_avail): Set bb local stmt uids.
9947 (pass_pre): Use TODO_update_ssa_only_virtuals.
9949 2006-02-06 Ben Elliston <bje@au.ibm.com>
9951 * configure.ac: Unconditionally disable decimal float by default.
9952 * configure: Regenerate.
9954 2006-02-06 Ben Elliston <bje@au.ibm.com>
9956 * read-rtl.c (read_name): Terminate reading on EOF.
9958 2006-02-06 Ben Elliston <bje@au.ibm.com>
9960 * dfp.c (decimal_real_arithmetic): Change second argument type
9961 from int to enum tree_code. Do not always return true, but now
9962 return result of any call to decimal_do helper functions.
9963 * dfp.h (decimal_real_arithmetic): Update prototype.
9965 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9967 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9969 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9972 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9975 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9977 * tree-vrp.c (cfg_loops): Removed.
9978 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9979 Use current_loops instead of cfg_loops. Pass flags to
9980 loop_optimizer_init.
9981 * cfgloopmanip.c (fix_loop_structure): Update only available
9983 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9984 loop_optimizer_init.
9985 * modulo-sched.c (build_loops_structure): Removed.
9986 (sms_schedule): Use loop_optimizer_init.
9987 * loop-init.c (loop_optimizer_init): Use flags to determine
9988 which properties of loops to prepare.
9989 (rtl_loop_init): Pass flags to loop_optimizer_init.
9990 * tree-ssa-sink.c (execute_sink_code): Ditto.
9991 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9992 * tree-ssa-pre.c (init_pre): Ditto.
9993 * cfgloop.h (LOOPS_NORMAL): New.
9994 (loop_optimizer_init): Declaration changed.
9996 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9998 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9999 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10001 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10003 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10005 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10006 * pa/t-pa64: Delete quadlib.c rule.
10007 * pa/x-ada: Revert last change.
10008 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10010 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10012 PR rtl-optimization/26087
10013 * rtlanal.c (canonicalize_condition): Do not cross basic block
10016 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10019 * config/ia64/ia64.c: Include debug.h.
10020 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10021 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10022 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10023 (process_epilogue, process_set, process_for_unwind_directive):
10024 Output unwind info only if requested. Add CFA info if requested.
10025 Add new arguments as needed. Adjust callers.
10026 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10028 (DWARF2_FRAME_INFO): Define to zero.
10029 * config/ia64/unwind-ia64.c: Remove code that compensated for
10030 the CFA offset error fixed above.
10031 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10032 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10033 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10034 -funwind-tables and -fexceptions to enable frame info.
10035 (dwarf2out_frame_init): Define initial CFA even if
10036 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10037 DWARF2_UNWIND_INFO is nonzero, not just defined.
10038 (dwarf2out_frame_finish): Output non-EH call frame info only
10039 if DWARF2_FRAME_INFO is nonzero.
10040 (convert_cfa_to_loc_list,
10041 compute_frame_pointer_to_cfa_displacement): Define even if
10042 unwind info is not supported.
10043 (gen_subprogram_die): Use the above unconditionally. Remove
10044 legacy alternate code.
10045 * toplev.c (compile_file): Compile in call to
10046 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10047 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10049 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10050 Jakub Jelinek <jakub@redhat.com>
10052 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10053 IBM extended float format long double as "g" on powerpc*-linux.
10055 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10058 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10059 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10061 2006-02-03 Jason Merrill <jason@redhat.com>
10064 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10066 PR middle-end/25977
10067 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10068 on the return slot if it's an NRV.
10070 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10072 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10073 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10074 rewrite_use): Do not handle USE_OUTER.
10075 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10076 add_iv_outer_candidates, may_replace_final_value,
10077 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10078 (find_interesting_uses_op): Functionality of
10079 find_interesting_uses_outer_or_nonlin moved here.
10080 (find_interesting_uses_outside): Use find_interesting_uses_op.
10082 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10085 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10087 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10088 Ulrich Weigand <uweigand@de.ibm.com>
10091 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10092 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10093 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10094 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10096 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10097 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10098 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10099 Define secondary reloads for TFmode moves.
10100 (constant_modes): Add TFmode.
10101 (NR_C_MODES): Set to 8.
10102 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10104 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10105 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10106 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10107 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10108 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10109 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10110 (FPR mode macro): Add TFmode.
10111 (DSF mode macro): New.
10112 (<de>, <dee> mode attributes): Removed.
10113 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10114 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10115 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10116 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10117 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10118 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10119 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10120 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10121 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10122 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10123 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10124 "*negabs<mode>2", "sqrt<mode>2"):
10125 Changed <de> to <xde>. R constraint replaced by <Rf>.
10126 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10128 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10129 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10130 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10132 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10133 "extenddftf2", "extendsftf2"): New expanders.
10134 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10135 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10136 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10137 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10139 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10140 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10141 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10142 __floatditf): Add a GCC_4.1.0 symbol version tag.
10143 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10146 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10149 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10150 Use targetm.binds_local_p instead of TREE_PUBLIC.
10152 2006-02-02 Roger Sayle <roger@eyesopen.com>
10154 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10155 on INTEGER_TYPEs to indicate that it denotes a character type.
10156 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10157 signed_char_type_node, unsigned_char_type_node and char_type_node.
10158 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10159 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10160 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10162 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10163 Daniel Berlin <dberlin@dberlin.org>
10165 * tree-tailcall.c (arg_needs_copy_p): New function.
10166 (eliminate_tail_call): Use arg_needs_copy_p.
10167 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10168 (add_virtual_phis): New function.
10170 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10172 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10173 #ignore instead of #scratch for %g7 .register directive.
10175 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10177 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10180 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10182 * flow.c (calculate_global_regs_live): Assert that there aren't any
10185 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10187 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10188 what its name says.
10189 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10190 bsi_after_labels iterator.
10191 * tree-if-conv.c (find_phi_replacement_condition,
10192 replace_phi_with_cond_modify_expr): Likewise.
10193 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10194 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10196 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10198 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10200 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10203 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10204 array after growing it.
10206 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10208 PR middle-end/24901
10209 * fold-const.c (fold_checksum_tree): Change type of buf.
10211 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10213 * reload.c (push_secondary_reload): Initialize t_icode.
10215 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10217 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10218 -msoft-float -mlong-double-128 only issue a warning, but don't
10219 swich to DFmode long double.
10221 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10223 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10224 has a constant equivalent, iterate over equivalents for arg0,
10225 calling simplify_relational_operation and if there's a result
10226 cheaper than X, apply fold_rtx and return the result.
10228 2006-02-01 Jan Hubicka <jh@suse.cz>
10230 * opts.c (no_unit_at_a_time_default): New global variable.
10231 (decode_options): Use it.
10232 * opts.h (no_unit_at_a_time_default): Declare.
10234 2006-02-01 Paul Brook <paul@codesourcery.com>
10236 * function.c (assign_parm_setup_reg): Use function argument promotion
10238 * expr.c (expand_expr_real_1): Use function argument promotion rules
10241 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10243 * gcc.c (process_command): Change j to 'unsigned int'.
10245 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10247 PR middle-end/26001
10248 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10249 Use the corrected index for the character
10250 out of the string constant.
10252 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10254 * mode-switching.c (optimize_mode_switching): Fix size
10255 allocated for bb_info[n_entities].
10257 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10259 * gcc.c (main): Correct type that is allocated for
10260 explicit_link_files.
10262 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10264 * config/s390/s390.c (init_alignment_context): Set
10265 ALIAS_SET_MEMORY_BARRIER on the MEM.
10266 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10268 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10270 PR middle-end/25933
10271 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10273 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10276 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10278 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10279 * regrename.c: Ditto.
10280 * tree-ssa-loop-im.c: Ditto.
10281 * tree-dump.c: Ditto.
10282 * tree-complex.c: Ditto.
10283 * genrecog.c: Ditto.
10284 * tree-ssa-threadupdate.c: Ditto.
10286 * java/class.c: Ditto.
10287 * java/jcf-parse.c: Ditto.
10288 * java/resource.c: Ditto.
10289 * java/except.c: Ditto.
10290 * java/jvspec.c: Ditto.
10291 * java/jcf-write.c: Ditto.
10292 * java/jcf-path.c: Ditto.
10293 * java/gjavah.c: Ditto.
10294 * java/zextract.c: Ditto.
10295 * java/jcf-io.c: Ditto.
10296 * java/jcf.h: Ditto.
10297 * java/buffer.c: Ditto.
10298 * java/lang.c: Ditto.
10299 * java/parse-scan.y: Ditto.
10300 * java/lex.c: Ditto.
10301 * java/lex.h: Ditto.
10302 * cfgloopmanip.c: Ditto.
10303 * postreload-gcse.c: Ditto.
10304 * tree-ssa-loop-manip.c: Ditto.
10305 * postreload.c: Ditto.
10306 * tree-ssa-loop-ch.c: Ditto.
10309 * cppspec.c: Ditto.
10310 * diagnostic.c: Ditto.
10312 * genoutput.c: Ditto.
10314 * cfghooks.c: Ditto.
10315 * cfgloopanal.c: Ditto.
10316 * objc/objc-act.c: Ditto.
10318 * genextract.c: Ditto.
10319 * genautomata.c: Ditto.
10320 * pretty-print.c: Ditto.
10321 * genemit.c: Ditto.
10322 * cgraphunit.c: Ditto.
10324 * df-scan.c: Ditto.
10325 * haifa-sched.c: Ditto.
10326 * dominance.c: Ditto.
10328 * tree-ssa-loop-ivopts.c: Ditto.
10329 * df-core.c: Ditto.
10330 * mode-switching.c: Ditto.
10331 * modulo-sched.c: Ditto.
10333 * ipa-pure-const.c: Ditto.
10335 * fix-header.c: Ditto.
10337 * tree-stdarg.c: Ditto.
10338 * ipa-utils.c: Ditto.
10339 * loop-init.c: Ditto.
10340 * ipa-inline.c: Ditto.
10341 * cfganal.c: Ditto.
10343 * alloc-pool.c: Ditto.
10344 * dwarf2out.c: Ditto.
10346 * genattrtab.c: Ditto.
10347 * tree-ssa-loop-ivcanon.c: Ditto.
10348 * predict.c: Ditto.
10349 * timevar.c: Ditto.
10351 * fortran/gfortranspec.c: Ditto.
10352 * regmove.c: Ditto.
10353 * local-alloc.c: Ditto.
10354 * langhooks.c: Ditto.
10355 * function.c: Ditto.
10356 * tree-vectorizer.c: Ditto.
10358 * ipa-type-escape.c: Ditto.
10360 * tree-if-conv.c: Ditto.
10361 * profile.c: Ditto.
10363 * tree-data-ref.c: Ditto.
10364 * loop-unroll.c: Ditto.
10365 * treelang/treetree.c: Ditto.
10367 * bt-load.c: Ditto.
10368 * ggc-common.c: Ditto.
10370 * coverage.c: Ditto.
10372 * tree-cfgcleanup.c: Ditto.
10373 * tree-ssa-pre.c: Ditto.
10374 * cfgcleanup.c: Ditto.
10375 * loop-invariant.c: Ditto.
10376 * loop-iv.c: Ditto.
10377 * ipa-prop.c: Ditto.
10378 * print-tree.c: Ditto.
10379 * conflict.c: Ditto.
10380 * ggc-page.c: Ditto.
10381 * sched-deps.c: Ditto.
10382 * regclass.c: Ditto.
10383 * tree-object-size.c: Ditto.
10384 * combine.c: Ditto.
10385 * bb-reorder.c: Ditto.
10386 * resource.c: Ditto.
10387 * var-tracking.c: Ditto.
10388 * cfgloop.c: Ditto.
10389 * df-problems.c: Ditto.
10390 * reg-stack.c: Ditto.
10392 * gccspec.c: Ditto.
10393 * sched-rgn.c: Ditto.
10394 * tree-ssa-structalias.c: Ditto.
10395 * tree-ssa-reassoc.c: Ditto.
10396 * config/darwin-c.c: Ditto.
10397 * config/darwin.c: Ditto.
10398 * config/arm/arm.c: Ditto.
10400 * collect2.c: Ditto.
10401 * reload1.c: Ditto.
10403 2006-01-31 Nicolas Pitre <nico@cam.org>
10405 * arm.md (smaxsi3): Make aware of smax_m1.
10408 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10410 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10412 2006-01-31 Richard Guenther <rguenther@suse.de>
10414 * doc/invoke.texi (-msselibm): Document.
10415 * target.h (expand_library_builtin): New target hook.
10416 * builtins.c (expand_builtin): Use expand_library_builtin.
10417 (default_expand_library_builtin): New function.
10418 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10419 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10420 (link_gcc_math_spec): Declare.
10421 (static_specs): Add link_gcc_math_spec.
10422 * expr.h (default_expand_library_builtin): Declare.
10423 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10424 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10425 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10426 * config/i386/i386.opt (msselibm): New target option.
10427 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10428 (ix86_init_sse_abi_builtins): New function.
10429 (ix86_expand_library_builtin): Likewise.
10430 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10431 (override_options): Handle error conditions wrt -msselibm.
10432 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10433 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10434 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10437 2006-01-31 Richard Guenther <rguenther@suse.de>
10438 Paolo Bonzini <bonzini@gnu.org>
10440 * doc/install.texi (--disable-libgcc-math): Document.
10442 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10444 * expr.h (expand_normal): new inline function.
10445 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10446 * dojump.c: use it.
10447 * dwarf2out.c: use it.
10450 * expmed.c: use it.
10451 * except.c: use it.
10452 * config/sparc/sparc.c: use it.
10453 * config/i386/i386.c: use it.
10454 * config/rs6000/rs6000.c: use it.
10455 * config/arm/arm.c: use it.
10456 * config/mips/mips.c: use it.
10457 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10459 2006-01-30 Roger Sayle <roger@eyesopen.com>
10461 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10462 argv to the appropriate type.
10464 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10466 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10469 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10472 * config/s390/s390.c (struct machine_function): New flag
10473 decomposed_literal_pool_addresses_ok_p.
10474 (s390_reorg): Set it before final stage of literal pool transforms.
10475 (s390_decompose_address): Only accept displacements of the form
10476 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10478 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10480 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10481 the comparison routine return.
10483 2006-01-30 Michael Matz <matz@suse.de>
10485 * global.c (find_reg): Only evict for global regs.
10486 Take n_refs into account and dump more info.
10488 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10491 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10492 (pragma_trap, pragma_nosave_low_regs): Likewise.
10493 (current_function_anonymous_args): Likewise.
10494 (sh_deferred_function_attributes): New variable.
10495 (sh_deferred_function_attributes_tail): Likewise.
10496 (print_operand): For '@', look up trap_exit attribute.
10497 (calc_live_regs): Look up trapa_handler attribute. For trapa
10498 handlers, save/restore fpscr, but don't do any other
10499 interrupt-specific saves.
10500 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10501 Fix check for partially saved registers to check for SHmedia.
10502 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10503 (sh_output_function_epilogue): Don't clear any of the removed
10505 (sh_insert_attributes): Don't check pragma_interrupt.
10506 Insert deferred attributes. Check that interrupt attribute is
10507 present for other attributes that require its presence.
10508 (sh_attribute_table): Add new attributes trapa_handler and
10510 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10511 Don't check for pragma_interrupt. Don't store argument.
10512 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10513 (sh_deferred_function_attributes): Declare.
10514 (sh_deferred_function_attributes_tail): Likewise.
10515 * sh.md (sp_switch_1): Add operand. Change generator caller.
10516 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10517 (*return_i): Don't use when trap_exit attribute is in effect.
10518 (*return_trapa): New insn pattern.
10519 * sh-c.c: New file.
10520 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10521 setting c_target_objs and cxx_target_objs.
10522 * t-sh: Add rule for sh-c.o.
10524 2006-01-30 Richard Guenther <rguenther@suse.de>
10527 * gimplify.c (gimplify_target_expr): Handle easy cases
10528 without creating a temporary.
10530 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10532 * vec.h (safe_grow): Remove duplicated line.
10534 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10537 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10538 (expand_omp): ... here.
10539 (expand_omp_parallel): Only remove barriers for combined
10540 parallel+workshare constructs.
10542 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10546 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10547 * tree.c (build_qualified_type): Chain the new type to the original
10548 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10549 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10550 (build_pointer_type_for_mode): Only return unqualified types.
10551 (build_reference_type_for_mode): Likewise.
10553 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10555 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10556 * Makefile.in (CXX_COMPAT_WARN): Define.
10557 * configure: Regenerate.
10559 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10562 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10565 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10567 * toplev.c: Fix thinko.
10569 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10570 Marcin Dalecki <martin@dalecki.de>
10572 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10573 (push_srcloc): Use XNEW.
10574 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10576 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10578 * df-core.c (df_set_blocks): Deleted all variable.
10580 2006-01-28 Ian Lance Taylor <ian@airs.com>
10582 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10583 cgraph_output_pending_asms.
10585 2006-01-28 Zack Weinberg <zackw@panix.com>
10587 * c.opt: Add -W(no-)overlength-strings.
10588 * doc/invoke.texi: Document it.
10589 * c-opts.c (c_common_handle_option): -pedantic implies
10590 -Woverlength-strings, if not explicitly disabled already.
10591 (c_common_post_options): -Woverlength-strings defaults to off, and
10592 is always off for C++.
10593 * c-common.c (fix_string_type): Issue warning about strings longer
10594 than is portable only if warn_overlength_strings. Rearrange code
10595 a little for clarity.
10596 * configure.in: Check for -Wno-overlength-strings as well before
10597 enabling -pedantic in stage 1.
10598 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10599 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10601 * genconditions.c (write_header, write_one_condition)
10602 (write_conditions, write_writer): Consolidate very long strings
10603 that were broken up to fit in C89 portable limit. Don't use
10604 printf when fputs will do.
10606 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10608 * combine.c (simplify_comparison <AND>): Check
10609 TRULY_NOOP_TRUNCATION before start using a subreg.
10611 * config/mips/mips.md (*branch_zero<mode>,
10612 *branch_zero<mode>_inverted, *branch_equality<mode>,
10613 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10614 Remove mode check from comparisons.
10616 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10618 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10620 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10622 * expmed.c (const_mult_add_overflow_p): Remove.
10623 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10625 * recog.c (validate_replace_rtx_subexp): Remove.
10626 * recog.h: Remove the prototype for
10627 validate_replace_rtx_subexp.
10629 * integrate.h: Remove the prototype for
10630 copy_decl_for_inlining.
10631 * rtl.h: Remove the prototype for mark_constant_function.
10632 * tree-vectorizer.h: Remove the prototype for
10633 vect_strip_conversion.
10635 * modulo-sched.c (create_partial_schedule,
10636 free_partial_schedule, reset_partial_schedule): Make them
10639 * hooks.c (hook_bool_rtx_int_false): Remove.
10640 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10642 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10644 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10645 and -mlong-double-128 are incompatible.
10646 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10647 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10648 (TARGET_LIBGCC2_CFLAGS): Define.
10649 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10650 (TARGET_LIBGCC2_CFLAGS): Same.
10651 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10653 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10656 * c-typeck.c (build_binary_op): Perform implicit casts of
10657 operands before shortening them.
10659 * cfgloopmanip.c (split_loop_bb): Remove.
10660 * cfgloop.h: Remove the prototype for split_loop_bb.
10662 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10663 * cfgloop.h: Remove the prototype for
10664 flow_loop_outside_edge_p.
10666 * emit-rtl.c (init_virtual_regs): Make it static.
10667 * function.h: Remove the prototype for init_virtual_regs.
10669 * recog.c (peephole2_optimize): Make it static.
10670 * recog.h: Remove the prototype for peephole2_optimize.
10672 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10674 * df-scan.c (df_record_entry_block_defs): Check if
10675 INCOMING_RETURN_ADDR_RTX is defined.
10677 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10678 Kenneth Zadeck <zadeck@naturalbridge.com>
10680 PR rtl-optimization/24762
10681 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10682 * targhooks.c (hook_void_bitmap): New hook prototype.
10683 * targhoohs.h (hook_void_bitmap): Ditto.
10684 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10685 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10686 * target.h (live_on_entry): New function pointer.
10687 * df-scan.c (df_all_hard_regs): Removed.
10688 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10689 (df_scan_free_internal): Added df->entry_block_defs.
10690 (df_scan_alloc): Ditto.
10691 (df_scan_dump): Ditto.
10692 (df_uses_record): Plumbed flag field properly thru calls.
10693 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10694 This part fixes PR24762.
10695 (df_bb_refs_record): Added code to make the frame and arg
10696 pointers live in EH blocks.
10697 (df_refs_record): Added call to df_record_entry_block_defs.
10698 (df_record_entry_block_defs): New function.
10699 * df-core.c: Added comments to describe new artifical defs.
10700 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10701 (entry_block_defs): New field in struct df.
10702 (df_all_hard_regs): Deleted.
10703 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10704 * df-problems.c (df_ru_bb_local_compute_process_def):
10705 Added code to handle artifical defs in the entry to a function.
10706 (df_ru_bb_local_compute): Ditto.
10707 (df_rd_bb_local_compute_process_def): Ditto.
10708 (df_rd_bb_local_compute): Ditto.
10709 (df_lr_bb_local_compute): Ditto.
10710 (df_ur_bb_local_compute): Ditto.
10711 (df_urec_bb_local_compute): Ditto.
10712 (df_chain_create_bb): Ditto.
10713 (df_ur_local_finalize): Removed entry.
10714 (df_urec_init): Ditto.
10715 (df_urec_local_finalize): Ditto.
10716 (df_ri_bb_compute): Added detection of last use of pseudos.
10717 * Makefile.in (df-scan.o): Updated dependencies.
10718 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10719 * config/mips/mips.c (mips_set_live_on_entry): Added.
10720 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10722 * dce.c (marked_insn_p): Added code to handle artifical defs.
10724 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10726 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10728 (_mm_cvtsi128_si64): Likewise.
10729 (_mm_cvtsd_si64): Likewise.
10730 (_mm_cvttsd_si64): Likewise.
10731 (_mm_cvtsi64_sd): Likewise.
10732 (_mm_cvtsi64_si128): Likewise.
10733 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10734 (_mm_cvtsi64_m64): Likewise.
10735 (_m_to_int64): Likewise.
10736 (_mm_cvtm64_si64): Likewise.
10737 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10738 (_mm_cvttss_si64): Likewise.
10739 (_mm_cvtsi64_ss): Likewise.
10740 (_mm_cvtss_f32): Likewise.
10742 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10744 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10745 for pragma redefine_extname.
10747 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10750 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10751 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10752 -mno-minimal-toc to previous content.
10753 (bispecs): Remove goal.
10754 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10755 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10756 compatibility aliases on powerpc-*-*gnu*.
10757 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10758 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10759 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10760 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10761 (ldblspecs): New goal.
10762 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10763 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10765 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10766 L_sf_to_tf or L_df_to_tf is defined.
10768 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10769 Alan Modra <amodra@bigpond.net.au>
10772 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10773 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10774 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10775 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10776 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10777 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10778 (rs6000_override_options): Initialize rs6000_ieeequad.
10779 Initialize TFmode format to ibm_extended_format if not
10781 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10783 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10784 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10785 (function_arg_advance): IBM long double passed in two FPRs, not
10787 (function_arg): IBM long double passed in FPRs.
10788 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10789 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10790 Only multireg GPR aligned.
10791 (rs6000_init_libfuncs): Enable IBM long double functions if not
10793 (rs6000_generate_compare): Use IBM long double compare if not
10795 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10796 (TARGET_IEEEQUAD): Define.
10797 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10798 not TARGET_IEEEQUAD.
10799 * config/rs6000/rs6000.md: Enable TFmode patterns if
10801 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10802 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10803 and -mlong-double-128 are incompatible.
10804 * doc/invoke.texi (-mabi): Collect options together. Add
10805 ibmlongdouble and ieeelongdouble.
10807 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10809 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10811 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10812 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10813 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10814 * rtl.h (rtunion_def): Remove rt_ptr.
10816 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10817 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10818 * config/i386/winnt.c (i386_pe_mark_dllexport)
10819 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10821 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10823 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10825 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10829 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10830 pthread_key_delete. From John David Anglin. gthrw-ify
10831 pthread_getunique_np only if it it's not a macro. Delete
10833 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10834 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10835 __gthread_objc_condition_signal, __gthread_key_delete): Add
10836 "__attribute__ ((__unused__))" to unused arguments.
10837 (__gthread_recursive_mutex_init_function): Add missing return.
10838 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10839 gthr-posix95.h: Use macro-based approach for name redirection
10840 on targets missing weakref.
10842 2006-01-26 Zack Weinberg <zackw@panix.com>
10844 * genconditions.c (write_header): In generated code, #ifdef out
10845 all includes and fake declarations, except includes of bconfig.h
10846 and system.h, unless GCC_VERSION >= 3001. Do not include
10847 gensupport.h in any case.
10848 (write_conditions): Generate a definition of struct c_test. Add
10849 a comment to the generated #endif.
10850 (write_one_condition): Escape backslashes in string too.
10851 (write_writer): Generated code must escape backslashes and quote
10852 marks (but not newlines) in the strings it writes.
10853 * Makefile.in (build/gencondmd.o): Update dependencies.
10855 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10858 * Makefile.in (insn-automata.o): Add header file dependencies.
10859 * genautomata.c: Add includes.
10861 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10864 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10866 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10868 * configure.ac: Expect target tools paths to be passed from the toplevel
10869 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10871 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10873 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10876 * c.opt (Wpointer-sign): Init to -1.
10877 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10878 OPT_pedantic, to 0 otherwise.
10879 * doc/invoke.texi: Update.
10881 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10883 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10884 constants provided by 80387 instructions in the destination mode.
10886 2006-01-26 Richard Guenther <rguenther@suse.de>
10887 Andrew Pinski <pinskia@physics.uc.edu>
10890 partial PR tree-opt/17064
10891 * tree-ssa-structalias.c (intra_create_variable_infos):
10892 Create heap variables for incoming parameters if
10893 flag_argument_noalias > 1.
10894 (find_what_p_points_to): Look through default defs of
10897 2006-01-26 Jeff Law <law@redhat.com>
10900 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10901 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10902 within the VR_RANGE, use the VR_RANGE as the result, not the
10904 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10905 bounds for the type.
10907 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10909 * tree-ssa-alias.c (maybe_create_global_var): Change
10910 subvar walking to an assertion that we don't have subvar'd variables.
10912 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10915 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10916 Use a new variable, inner. PARM_DECLs are always non-weak.
10918 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10920 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10921 --disable-checking.
10923 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10925 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10927 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10929 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10930 (smax_insn, smin_insn, smax_0, smin_0): New.
10932 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10935 * config/cris/cris.c (cris_order_for_addsi3): New function.
10936 * config/cris/cris-protos.h: Prototype it.
10937 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10938 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10939 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10940 (split for "op.S1 [rx=rx+i],ry (swapped)")
10941 (split for "op(s|u).S1 [rx=rx+i],ry")
10942 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10943 Apply cris_order_for_addsi3 when generating addsi3 insns.
10945 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10947 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10948 (TREE_BLOCK): Add call to EXPR_CHECK.
10950 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10953 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10954 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10955 (dump_omp_clauses): ... here.
10956 (dump_generic_node): Handle OMP_CLAUSE.
10957 * tree.c (omp_clause_num_ops): New.
10958 (omp_clause_code_name): New.
10959 (tree_code_size): Handle OMP_CLAUSE.
10960 (tree_size): Likewise.
10961 (make_node): Document handling of OMP_CLAUSE.
10962 (tree_node_structure): Handle OMP_CLAUSE.
10963 (omp_clause_check_failed): New.
10964 (omp_clause_range_check_failed): New.
10965 (omp_clause_operand_check_failed): New.
10966 (build_omp_clause): New.
10967 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10968 * tree.h (enum omp_clause_code): Declare.
10969 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10970 (OMP_CLAUSE_RANGE_CHECK): Define.
10971 (OMP_CLAUSE_ELT_CHECK): Define.
10972 (omp_clause_check_failed): Declare.
10973 (omp_clause_operand_check_failed): Declare.
10974 (omp_clause_range_check_failed): Declare.
10975 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10976 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10977 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10978 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10979 (OMP_CLAUSE_IF_EXPR): Likewise.
10980 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10981 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10982 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10983 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10984 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10985 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10986 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10987 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10988 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10989 (OMP_CLAUSE_CODE): Define.
10990 (OMP_CLAUSE_SET_CODE): Define.
10991 (OMP_CLAUSE_CODE): Define.
10992 (OMP_CLAUSE_OPERAND): Define.
10993 (struct tree_omp_clause): Declare.
10994 (union tree_node): Add field 'omp_clause'.
10995 * treestruct.def (TS_OMP_CLAUSE): Define.
10996 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10997 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10998 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10999 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11000 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11001 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11002 (OMP_CLAUSE): Define.
11003 * print-tree.c (print_node): Handle OMP_CLAUSE.
11004 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11005 * c-typeck.c: Likewise.
11006 * gimplify.c: Likewise.
11007 * c-omp.c: Likewise.
11008 * tree-nested.c: Likewise.
11009 * tree-inline.c: Likewise.
11010 * c-parser.c: Likewise.
11011 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11014 2006-01-25 Roger Sayle <roger@eyesopen.com>
11016 PR rtl-optimization/25703
11017 * combine.c (try_combine): Handle zero_extract and strict_low_part
11018 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11020 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11022 * global.c: Fix comment typos.
11024 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11027 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11028 Use output_addr_const instead of assemble_name.
11030 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11032 * Makefile.in (sched-vis.o): Update dependencies.
11033 * haifa-sched.c (sched_finish): Clear current_sched_info.
11034 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11035 (dump_flow_info): Call it.
11036 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11038 * basic-block.h (dump_bb_info): Declare.
11039 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11040 option, and apply options only for dump files whose TDF_RTL,
11041 TDF_TREE, or TDF_IPA bits match.
11042 * rtl.h: Declare new functions exported from sched-vis.c.
11043 * sched-vis.c: Enable also if scheduling is not used.
11044 (print_value): Print the mode of registers if not inside scheduling.
11045 (print_insn): Make it work outside the scheduler. Beautify the output
11047 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11049 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11051 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11052 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11053 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11054 depending on the value of CONSTANT_POOL_ADDRESS_P.
11055 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11057 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11058 rather than SYMBOL_REF_DECL.
11059 (rtx_constant_pool): Remove const_rtx_sym_htab.
11060 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11061 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11062 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11063 Remove handling of const_rtx_sym_htab.
11064 (find_pool_constant): Delete.
11065 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11066 rather than find_pool_constant.
11067 (get_pool_constant_for_function): Delete.
11068 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11069 find_pool_constant.
11070 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11071 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11072 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11073 (SYMBOL_REF_CONSTANT): New macro.
11074 (get_pool_constant_for_function): Delete.
11075 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11076 rather than SYMBOL_REF_DECL.
11077 (i386_pe_mark_dllimport): Likewise.
11078 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11079 rather than SYMBOL_REF_DECL.
11080 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11081 (machopic_indirect_call_target): Likewise.
11083 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11085 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11087 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11089 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11091 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11093 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11095 2006-01-24 David Daney <ddaney@avtrex.com>
11098 * configure.ac (enable_tls): New enable option.
11099 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11100 * configure: Regenerate.
11101 * doc/install.texi (--enable-tls): Document new option.
11102 (--disable-tls): Ditto.
11104 2006-01-24 Richard Henderson <rth@redehat.com>
11106 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11107 * alias.c (true_dependence): Respect it.
11108 (canon_true_dependence, write_dependence_p): Likewise.
11109 * builtins.c (get_builtin_sync_mem): Set it.
11111 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11113 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11116 2006-01-24 DJ Delorie <dj@redhat.com>
11118 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11119 for storing constants in single-bit bitfields.
11121 2006-01-25 Ben Elliston <bje@au.ibm.com>
11123 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11125 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11128 * tree-ssa-pre.c (phi_translate): Return NULL
11129 for AGGREGATE_TYPE's.
11131 2006-01-24 Zack Weinberg <zackw@panix.com>
11133 * genautomata.c (process_state_for_insn_equiv_partition):
11134 Use xcalloc for insn_arcs_array.
11135 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11136 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11138 2006-01-24 Richard Henderson <rth@redhat.com>
11140 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11141 update all callers.
11143 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11145 PR rtl-optimization/25890
11146 PR rtl-optimization/25905
11147 * combine.c (expand_compound_operation, expand_field_assignment):
11148 Fail if the bitfield's final position is out of bounds.
11150 2006-01-24 Ian Lance Taylor <ian@airs.com>
11152 PR middle-end/25930
11153 * cgraphunit.c (cgraph_output_in_order): Don't clear
11154 cgraph_asm_nodes until after asm strings have been output.
11156 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11158 * fix-header.c (read_scan_file): Add new parameter imultilib when
11159 calling register_include_chains.
11161 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11163 * omp-low.c: Update documentation.
11165 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11166 Daniel Berlin <dberlin@dberlin.org>
11170 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11171 return from the function.
11173 2006-01-22 Zack Weinberg <zackw@panix.com>
11175 * rtl.def (match_code): Add second argument.
11176 * genpreds.c (write_extract_subexp): New function.
11177 (write_match_code): Add path argument. Use write_extract_subexp.
11178 (write_predicate_expr): Pass path to write_match_code.
11179 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11180 not perform a mode test.
11181 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11182 a subexpression does not constrain the top-level code set.
11183 * read-rtl.c (read_rtx_variadic): New function.
11184 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11185 * doc/md.texi: Document new notation.
11186 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11187 (cmpsi_operand): ... here, using new notation.
11189 2006-01-22 Zack Weinberg <zackw@panix.com>
11191 * varray.c: Remove GENERATOR_FILE #ifdefs.
11193 2006-01-22 Zack Weinberg <zackw@panix.com>
11195 * genautomata.c (output_reserved_units_table): Emit nothing if
11196 description->query_units_num is zero. Remove extra blank line.
11197 (output_cpu_unit_reservation_p): Short circuit
11198 if description->query_units_num is zero.
11200 2006-01-22 Zack Weinberg <zackw@panix.com>
11202 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11203 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11204 nor any of the random handful of variables that used to be necessary
11205 when this program was linked with rtlanal.o. Prune set of forward
11206 function declarations.
11207 (struct attr_desc): Remove static_p field.
11208 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11209 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11210 (attr_string): Do not read the character one past the length of
11212 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11213 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11214 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11215 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11216 (make_automaton_attrs): New.
11217 (main): Do not call into genautomata. Call local gen_bypass
11218 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11219 Remove special case for insn_alts.
11220 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11221 varray.h (leftover from previous change). Prune set of forward
11222 function declarations. Remove state_alts fields from all
11223 structures. Remove state_alts_table from struct automaton.
11224 Make everything except main static. Do not maintain num_dfa_decls.
11225 Do not maintain state_alts fields of various structures.
11226 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11227 (add_arc): Remove state_alts argument. All callers updated.
11228 (output_reserved_units_table): Emit #ifdef here...
11229 (output_tables): ...not here. Don't generate state_alts tables.
11230 (expand_automata): Don't generate attributes.
11231 (write_automata): Don't generate state_alts functions.
11232 (main): New function.
11233 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11234 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11235 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11236 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11237 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11238 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11239 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11240 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11242 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11243 * genattrtab.h: Delete file.
11244 * Makefile.in (OBJS-common): Add insn-automata.o.
11245 (insn-automata.o): New rule.
11246 (simple_generated_c): Add insn-automata.c.
11247 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11248 (genprogmd): Add automata.
11249 (build/genattrtab): Needs no extra objects nor libraries.
11250 (build/genautomata): Needs build/vec.o and -lm.
11252 2006-01-22 Zack Weinberg <zackw@panix.com>
11254 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11255 (output_dfa_max_issue_rate, locked_states_num): Delete.
11256 (struct automaton): Add locked_states field.
11257 (output_dead_lock_vect): Save number of locked states in
11258 automaton->locked_states. If it is zero, don't print anything.
11259 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11260 (output_internal_dead_lock_func): Only test the dead_lock_vect
11261 for automata that have locked states.
11262 (output_statistics): Always print the number of locked states for
11263 each automaton. Calculate total number of locked states here.
11264 (write_automata): Don't call output_dfa_max_issue_rate.
11265 * genattrtab.c: Define length_unit_log as a const variable.
11266 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11267 max_insn_queue_index const.
11268 * final.c (length_unit_log): Declare const.
11269 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11271 2006-01-22 Zack Weinberg <zackw@panix.com>
11273 * genautomata.c: Include vec.h, not varray.h.
11274 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11275 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11276 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11277 VEC_* macros operating on appropriately typed vectors, or to
11278 malloced arrays when the size is known in advance. Const-ify
11279 many char* variables and function arguments. No functional changes.
11280 * Makefile.in (build/varray.o): Delete rule.
11281 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11282 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11284 2006-01-22 Zack Weinberg <zackw@panix.com>
11286 * gensupport.c: Define get_insn_name and record_insn_name here.
11287 (read_md_rtx): Call record_insn_name as appropriate.
11288 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11289 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11290 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11292 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11293 (BUILD_VARRAY): Delete.
11294 (genprognormal): Rename genprogmd. Fold in all programs from
11295 genprognoprint; also attrtab.
11296 (build/genattrtab): Just mention genautomata.o and varray.o.
11297 Reorganize a bit, add comments to make the categories clearer.
11299 2006-01-22 Zack Weinberg <zackw@panix.com>
11301 * genconditions.c (condition_table, add_condition): Delete.
11302 (write_conditions): Don't emit n_insn_conditions nor
11303 insn_elision_unavailable. Issue the gcc version #ifdef here,
11304 inside the table, with no #else clause ...
11305 (write_header): ...not here.
11306 (write_writer): New function.
11307 (main): Don't initialize condition_table. Use add_c_test.
11309 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11310 files on the command line.
11311 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11312 Return -1 if there is no entry in the table, don't abort.
11313 (add_c_test, traverse_c_tests): New functions.
11314 * gensupport.h (insn_elision_unavailable, insn_conditions)
11315 (n_insn_conditions): Delete declarations.
11316 (add_c_test, traverse_c_tests): Declare.
11317 * read-rtl.c: Include gensupport.h.
11318 (read_conditions): New function.
11319 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11320 (read_rtx_1): If we get EOF when we were looking for an initial
11321 open paren, return 0. Call read_conditions when appropriate.
11322 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11323 dummy-conditions.o. Eliminate references to insn-conditions.o,
11324 or change them to build/gencondmd.o, as appropriate. Remove
11325 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11326 from $(simple_generated_c). For all files remaining in those
11327 two lists, add insn-conditions.md to the generator command line.
11328 Give insn-constants.h/s-constants their own rules. Add rules
11329 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11330 (build/read-rtl.o): Depend on gensupport.h.
11331 (genprognormal): Include preds.
11332 (genprogearly): Rename genprognoprint; only difference is now that
11333 they don't link with $(BUILD_PRINT).
11334 * dummy-conditions.c: Delete.
11336 2006-01-22 Zack Weinberg <zackw@panix.com>
11338 * genextract.c: Don't include insn-config.h. Do include vec.h.
11339 Declare vectors of int, char, and locstr.
11340 (locstr): New typedef.
11341 (struct extraction): Make all array fields into bare pointers.
11342 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11343 (insn_code_number): Delete.
11344 (accum_extract): New struct.
11345 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11346 (gen_insn): Take insn_code_number as an argument. Use an
11347 accum_extract structure instead of loading data directly into
11348 a struct extraction, and having to know how big it might get.
11349 (walk_rtx): Operate entirely on an accum_extract structure.
11350 (print_path): Avoid unnecessary use of printf.
11351 (print_header): New function, split out of main. Distinguish
11352 more carefully between an unrecognizable insn and an insn that
11353 has the code number of a define_expand.
11354 (main): Pass insn_code_number to gen_insn. Call print_header
11355 only after parsing. Avoid unnecessary use of printf.
11356 * Makefile.in (build/vec.o): New rule.
11357 (build/genextract): Depend on build/vec.o.
11358 (build/genextract.o): Don't depend on insn-config.h.
11360 2006-01-22 Zack Weinberg <zackw@panix.com>
11362 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11363 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11364 practical. Eliminate per-generator-program link rules.
11366 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11368 PR middle-end/24437
11369 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11370 with a call expr to ...
11371 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11373 2006-01-23 Richard Guenther <rguenther@suse.de>
11375 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11376 before make_edge with conditional EDGE_TRUE_VALUE.
11378 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11379 Jan Hubicka <jh@suse.cz>
11380 Richard Guenther <rguenther@suse.de>
11382 PR rtl-optimization/25654
11383 * cfgexpand.c (aggregate_contains_union_type): New function.
11384 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11385 for structure variables that contain a union type.
11387 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11389 * gengtype.c (new_structure): Return the structure.
11390 (create_option): Add an extra "next" argument.
11391 (create_field): New function.
11392 (adjust_field_rtx_def): Use create_option and create_field.
11393 Remove a now-unnecessary call to find_structure.
11394 (adjust_field_tree_def): Likewise.
11395 (note_yacc_type): Remove an unnecessary call to find_structure.
11396 * gengtype.h (new_structure): Return the structure.
11397 (create_option): Add an extra argument.
11398 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11399 (option): Adjust calls to create_option.
11401 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11403 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11405 2006-01-22 Paul Brook <paul@codesourcery.com>
11406 Peter Barada <peter@the-baradas.com>
11408 * config/m68k/m68k.md: Add Coldfire FPU support.
11409 Define FP mode macro and associated attributes.
11410 Use it for float mode patterns.
11411 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11412 (LIBCALL_VALUE): Use m68k_libcall_value.
11413 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11414 (m68k_function_value): Ditto.
11415 (emit_move_sequence): Ditto.
11416 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11417 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11418 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11419 (MULTILIB_EXCEPTIONS): Ditto.
11420 * config/m68k/m68k.opt: Add mcfv4e.
11421 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11422 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11423 (m68k_output_function_prologue): Save ColdFire FPU registers.
11424 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11425 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11426 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11427 ColdFire FPU registers.
11428 (m68k_libcall_value, m68k_function_value): New functions.
11429 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11430 (LIBCALL_VALUE): Use m68k_libcall_value.
11431 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11432 (MASK_COLDFIRE): Add MASK_CFV4E.
11433 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11434 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11435 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11436 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11437 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11438 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11439 * doc/invoke.tex: Document -mcfv4e on m68k.
11441 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11443 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11446 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11449 * c-opts.c (c_common_handle_option): Don't include
11450 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11451 * doc/invoke.texi (C++ Dialect Options): Document that
11452 -Wnon-virtual-dtor is no longer included in -Wall.
11454 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11456 * gcov.c (print_version), gcov-dump.c (print_version),
11457 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11460 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11462 * df-scan.c (problem_SCAN): Added NULL reset function.
11463 (df_scan_reset_blocks): Added code to call reset block function
11464 (df_bb_refs_delete) Fixed comment.
11465 (df_insn_refs_delete): Made tolerant of deleting non existent info
11466 for dataflow problems that need to be reset.
11467 * df-core.c (df_set_blocks): Ditto.
11468 * df.h (struct df_problem): Added reset_fun.
11469 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11470 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11471 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11472 functions to clear out all references to def-use or use-def chains.
11474 2006-01-21 Ben Elliston <bje@au.ibm.com>
11476 * varasm.c (assemble_real): Initialise data array.
11478 2006-01-20 Paul Brook <paul@codesourcery.com>
11480 Merge from csl-arm-branch.
11481 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11482 * config/arm/arm.md (movdi): Force operands[1] to a register
11483 if we have a non-register source.
11484 (*arm_movdi, *movdf_soft_insn): Require that one of the
11485 operands be a register.
11486 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11487 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11489 2006-01-20 DJ Delorie <dj@redhat.com>
11491 * varasm.c (initializer_constant_valid_p): Allow pointers
11492 initialized from integer constants of lesser precision.
11493 (output_constant): Allow non-int-sized pointer modes to be
11494 initialized from integer constants.
11496 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11499 * cppdefault.h (struct default_include): Add multilib flag.
11500 * cppdefault.c (cpp_include_defaults): Set it.
11501 * c.opt (-imultilib): New option.
11502 * c-opts.c (imultilib): New.
11503 (c_common_handle_option): Handle -imultilib.
11504 (c_common_post_options): Likewise.
11505 * c-incpath.c (add_standard_paths, register_include_chains):
11507 * c-incpath.h (register_include_chains): Add extra parameter.
11508 * gcc.c (do_spec_1): Generate -imultilib option.
11509 (The Specs Language): Update %I description.
11510 (process_command): Update copyright notice.
11511 * doc/cppopts.texi (-imultilib): Document.
11512 * doc/invoke.texi (-imultilib): Include in option summary.
11513 (%I): Update specs documentation.
11515 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11517 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11519 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11521 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11524 2006-01-20 Richard Guenther <rguenther@suse.de>
11525 Steven Bosscher <stevenb.gcc@gmail.com>
11527 PR rtl-optimization/24626
11528 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11529 EDGE_TRUE_VALUE if in RTL mode.
11532 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11533 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11535 2006-01-20 Dirk Mueller <dmueller@suse.com>
11538 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11539 instead of a special NOP marker.
11540 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11541 NOP marker handling.
11542 * c-common.h (empty_body_warning): Add forward declaration.
11543 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11544 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11546 2006-01-20 Paul Brook <paul@codesourcery.com>
11548 * Makefile.in (lang_checks): Keep going if mkdir fails.
11550 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11552 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11553 be able to clean out basic block when not necessary.
11554 (df_scan_free): Fixed to properly delete information if df is
11555 unused before calling df_finish.
11556 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11557 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11559 (df_bb_refs_delete): New function.
11560 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11561 * df-core.c (df_set_blocks): Added code to properly clean out
11562 unused blocks if they are not part of the blocks to consider.
11563 Added additional null check.
11564 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11565 be able to clean out basic block when not necessary
11566 * df.h (df_free_bb_function): Ditto.
11567 (df_bb_refs_delete): New function.
11568 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11569 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11570 basic block parameter to be able to clean out basic block when not
11572 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11573 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11574 Fixed to properly delete information if df is unused before
11577 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11579 PR rtl-optimization/25799
11580 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11581 Corrected confluence operator to remove bits from op2 before oring
11582 with op1 rather than removing bits from op1.
11583 (df_ru_transfer_function): Corrected test on wrong bitmap which
11584 caused infinite loop. Both of these problems were introduced in
11585 the dataflow rewrite.
11587 2006-01-19 DJ Delorie <dj@redhat.com>
11589 * reload1.c (find_reload_regs): Note the details of reload
11590 failures in the dump file.
11591 (spill_failure): Likewise.
11593 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11595 * loop-iv.c: Include df.h and hashtab.h.
11596 (enum iv_grd_result): New enum.
11597 (DF_REF_IV, DF_REF_IV_SET): New macros.
11598 (struct biv_entry): New.
11599 (df, bivs): New global variables.
11600 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11601 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11603 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11604 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11605 analyzed_for_bivness_p, record_biv): New functions.
11606 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11607 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11608 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11610 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11612 (iv_number_of_iterations): Use new interface to iv analysis.
11613 * loop-unroll.c: Do not include varray.h.
11614 (analyze_iv_to_split_insn): Use new interface to iv
11616 * loop-unswitch.c (may_unswitch_on): Ditto.
11617 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11619 (df_bb_modify): Realloc tables to the new index.
11620 (df_find_use): New function.
11621 * df.h (df_find_use): Declare.
11622 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11624 * cfgloop.h (struct rtx_iv): Remove analysed field.
11625 (iv_get_reaching_def): Removed.
11626 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11627 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11628 (loop-iv.o): Add df.h and hashtab.h dependency.
11629 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11631 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11634 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11636 (__floatundisf, __floatundidf): Likewise.
11637 * libgcc2.h (IS_IBM_EXTENDED): Define.
11639 2006-01-19 DJ Delorie <dj@redhat.com>
11641 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11643 2006-01-19 Paul Brook <paul@codesourcery.com>
11645 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11646 as nothrow when unwinding tables are disabled.
11648 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11651 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11652 of bit-field" when in system header.
11654 2006-01-19 DJ Delorie <dj@redhat.com>
11656 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11657 the 16 bit shift limit of the m16c.
11659 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11662 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11663 * config/i386/i386.c (output_set_got): Output the label if we have one
11664 for the TARGET_DEEP_BRANCH_PREDICTION case.
11666 2006-01-19 Jan Hubicka <jh@suse.cz>
11667 H.J. Lu <hongjiu.lu@intel.com>
11668 Evandro Menezes <evandro.menezes@amd.com>
11670 * invoke.texi (generic): Document
11672 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11673 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11674 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11675 (x86_use_incdec, x86_pad_returns): New variables
11676 (TARGET_CPU_DEFAULT_generic): New constant
11677 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11678 (enum processor_type): Add generic32 and generic64.
11679 * i386.md (cpu attribute): Add generic32/generic64
11680 (movhi splitter): Behave sanely when both partial_reg_dependency and
11681 partial_reg_stall are set.
11682 (K8 splitters): Enable for generic as well.
11683 * predicates.md (incdec_operand): Use TARGET_INCDEC
11684 (aligned_operand): Avoid memory mismatch stalls.
11685 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11686 * ppro.md: Enable for generic32
11687 * i386.c (generic64_cost, generic32_cost): New.
11688 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11689 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11690 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11691 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11692 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11693 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11694 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11695 x86_accumulate_outgoing_args, x86_prologue_using_move,
11696 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11697 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11698 Enable for generic.
11699 (x86_use_incdec, x86_pad_returns): New.
11700 (override_options): Add generic32 and generic64, translate "generic"
11701 to generic32/generic64 and "i686" to "generic32", refuse
11702 "generic32"/"generic64" as arch target.
11703 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11704 (ix86_reorg): Honor PAD_RETURNS.
11706 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11708 * tree-pretty-print.c (dump_generic_node): Handle
11709 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11710 * cgraph.c (cgraph_expand_queue): Rename from
11711 cgraph_analyze_queue. Update all users.
11712 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11713 cgraph_expand_queue.
11714 (cgraph_expand_all_functions): Likewise.
11715 (cgraph_finalize_pending_functions): Remove. Update callers.
11717 * tree.h (OMP_DIRECTIVE_P): Define.
11718 (OMP_PARALLEL_FN): Define.
11719 (OMP_PARALLEL_DATA_ARG): Define.
11720 (OMP_SECTIONS_SECTIONS): Define.
11721 * tree-pass.h (pass_expand_omp): Declare.
11722 * omp-low.c (struct omp_region): Declare.
11723 (struct omp_context): Remove fields 'parallel_type',
11724 'parallel_start_ix' and 'parallel_start_additional_args'.
11726 (struct omp_for_data): Rename from struct expand_omp_for_data.
11727 (omp_regions): New static variable.
11728 (root_omp_region): New static variable.
11729 (find_omp_clause): Make static.
11730 (is_in_combined_parallel_ctx): Remove.
11731 (is_combined_parallel): New.
11732 (extract_omp_for_data): Move earlier in the file.
11733 (workshare_safe_to_combine_p): New.
11734 (get_ws_args_for): New.
11735 (determine_parallel_type): Move earlier in the file.
11736 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11738 (omp_copy_decl): Likewise.
11739 (create_omp_child_function): Likewise.
11740 (lookup_omp_region): New.
11741 (dump_omp_region): New.
11742 (debug_omp_region): New.
11743 (debug_all_omp_regions): New.
11744 (new_omp_region): New.
11745 (scan_omp_parallel): If parallel_nesting_level > 1, the
11746 directive is nested within another parallel directive.
11747 Set OMP_PARALLEL_FN.
11748 (scan_omp_for): Do not try to handle combined parallel+for
11750 Remove FIXME comment.
11751 (scan_omp_nested): Remove.
11752 (scan_omp_1): Do not call scan_omp_nested when
11753 parallel_nesting_level is > 1.
11754 Do not change the DECL_CONTEXT of local variables found.
11755 (lookup_decl_in_outer_ctx): New.
11756 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11757 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11758 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11759 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11760 If CTX is nested, lookup VAR in the outer context when
11761 building copy assignment.
11762 (lower_send_clauses): Rename from expand_send_clauses.
11763 If CTX is nested, lookup VAR in the outer context when
11764 building copy assignments.
11765 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11766 If CTX is nested, lookup VAR in the outer context when
11767 building copy assignments.
11768 (expand_parallel_call): Rename from build_parallel_call.
11769 Handle combined parallel+workshare cases.
11770 Re-implement to emit code into the CFG.
11772 (expand_omp_parallel): Re-implement to emit code into the CFG.
11773 Call move_sese_region_to_fn to outline the sub-graph
11774 containing the parallel region.
11775 (expand_omp_for_1): Remove.
11776 (expand_omp_for_generic): Re-implement to emit code into the
11778 (expand_omp_for_static_nochunk): Likewise.
11779 (expand_omp_for_static_chunk): Likewise.
11780 (expand_omp_for): Likewise.
11781 (expand_omp_sections): Likewise.
11782 (remove_exit_barriers): New.
11783 (expand_omp_synch): New.
11785 (build_omp_regions_1): New.
11786 (build_omp_regions): New.
11787 (execute_expand_omp): New.
11788 (gate_expand_omp): New.
11789 (pass_expand_omp): Define.
11790 (lower_omp_sections): Rename from expand_omp_sections.
11791 Set OMP_SECTIONS_SECTIONS.
11792 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11793 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11794 (lower_omp_single): Rename from expand_omp_simple.
11795 (lower_omp_master): Rename from expand_omp_master.
11796 (lower_omp_ordered): Rename from expand_omp_ordered.
11797 (lower_omp_critical): Rename from expand_omp_critical.
11798 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11799 (lower_omp_for): Re-implement.
11800 (lower_omp_parallel): Re-implement.
11801 (lower_regimplify): Rename from expand_regimplify.
11802 (lower_omp_1): Rename from expand_omp_1.
11803 If there are syntax errors in the program, replace every
11804 OpenMP directive with NOP.
11805 Call lower_omp_* instead of expand_omp_*.
11806 (lower_omp): Rename from expand_omp.
11808 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11809 * tree-gimple.h (enum omp_parallel_type): Remove.
11810 (gimple_boolify): Declare extern.
11811 (find_omp_clause, determine_parallel_type): Remove.
11813 * gimple-low.c (lower_omp_directive): New.
11814 (lower_stmt): Call it.
11815 (record_vars_into): Move from ...
11816 (record_vars): ... here.
11817 Call record_vars_into with current_function_decl.
11819 * gimplify.c (struct gimplify_ctx): Remove fields
11820 combined_pre_p and combined_ctxp. Update users.
11821 (get_formal_tmp_var): Add documentation.
11822 (gimple_boolify): Make extern.
11823 (gimplify_expr_in_ctx): Remove. Update callers.
11824 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11825 will always be a BIND_EXPR.
11826 (gimplify_expr): Handle OMP_RETURN_EXPR.
11827 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11828 (OMP_PARALLEL): Add 3 operands.
11829 (OMP_SECTIONS): Add 1 operand.
11830 (OMP_RETURN_EXPR): Define.
11832 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11833 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11834 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11835 creating a circular free list.
11836 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11838 * tree-flow.h (move_sese_region_to_fn): Declare.
11839 (record_vars_into): Declare.
11840 * tree-cfg.c (make_omp_sections_edges): New.
11841 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11842 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11843 OMP_SECTIONS and OMP_SECTION.
11844 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11845 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11846 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11847 (gather_blocks_in_sese_region): New.
11848 (struct move_stmt_d): Declare.
11849 (move_stmt_r): New.
11850 (move_block_to_fn): New.
11851 (move_sese_region_to_fn): New.
11853 * passes.c (init_optimization_passes): Schedule
11854 pass_expand_omp after pass_init_datastructures.
11856 * tree-ssa-operands.c (get_expr_operands): Handle
11857 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11858 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11860 2006-01-19 Jeff Law <law@redhat.com>
11862 * tree-vrp.c (extract_range_from_assert): Refine the result range
11863 if the variable referenced by the ASSERT_EXPR has a range and
11864 either the tentative result range or the previous range is a
11867 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11869 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11871 2006-01-19 Jan Hubicka <jh@suse.cz>
11873 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11875 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11877 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11878 (expand_compound_operation, expand_field_assignment): Fail if the
11879 bit lengths of an extract operation are out of range.
11880 (make_extraction): Compute wanted_inner_mode based on the position
11881 and length of the extraction. Make it extraction_mode for non-constant
11882 positions, and do not modify offset in that case. When generating a
11883 new MEM, use a mode that can hold the extraction while keeping correct
11884 alignment. Remove code that supported MEMs wrapped by USEs.
11885 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11887 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11889 * config/s390/s390.md ("Y", "y"): New mode attribute.
11890 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11891 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11892 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11893 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11894 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11895 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11896 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11897 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11898 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11899 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11900 "addsi3", "subsi3"): Insn patterns removed.
11901 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11902 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11903 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11904 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11905 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11906 "*sub<mode>3_cconly2"): New insn patterns.
11907 ("addsi3", "subsi3"): New expanders.
11909 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11911 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11912 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11913 existing STMT_VINFO_VECTYPE if available.
11914 (vect_mark_relevant): Add special handling for stmts that are
11915 marked as STMT_VINFO_IN_PATTERN_P.
11916 (vect_analyze_loop): Call vect_pattern_recog.
11917 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11918 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11920 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11921 (vect_recog_func_ptr): New function-pointer type.
11922 * tree-vect-patterns.c: New file.
11923 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11924 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11925 (vect_pattern_recog_1): New functions.
11926 (vect_pattern_recog_funcs): New array of function pointers.
11928 * tree-vectorizer.h (ternary_op): New enum value.
11929 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11930 declaration. Revised documentation. Removed redundant dump prints.
11931 Removed redundant argument. Added support for reduction patterns.
11932 (vectorizable_reduction): Added support for reduction patterns.
11933 (vect_transform_stmt): Added support for patterns.
11935 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11936 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11937 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11938 (expand_widen_pattern_expr): New function.
11939 (init_optabs): Initialize new optabs udot_prod_optab,
11941 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11942 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11943 (expand_widen_pattern_expr): New function declaration.
11944 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11946 * tree-inline.c (estimate_num_insns_1): Added cases for new
11947 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11948 * tree-pretty-print.c (dump_generic_node): Likewise.
11949 (op_prio): Likewise.
11950 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11951 * tree-ssa-operands.c (get_expr_operands): Added case for
11953 * tree-vect-patterns.c (widened_name_p): New function.
11954 (vect_recog_dot_prod_pattern): Added function implementation.
11955 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11956 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11957 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11958 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11960 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11961 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11962 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11963 (init_optabs): Initialize new optabs widen_ssum_optab,
11965 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11966 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11967 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11968 use instead of type of def.
11969 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11970 function implementation.
11971 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11972 widen_ssumv8hi): New.
11974 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11977 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11980 * c-decl.c (add_flexible_array_elts_to_size): New function.
11981 (finish_decl): Use it.
11983 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11985 * diagnostic.h: Include options.h.
11986 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11987 dependancies for diagnostic.h.
11988 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11990 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11992 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11993 (ssa_ro_call_cache_valid): Ditto.
11994 * tree-ssa-alias.c (sort_tags_by_id): New function.
11995 (init_transitive_clobber_worklist): Ditto.
11996 (add_to_worklist): Ditto.
11997 (mark_aliases_call_clobbered): Ditto.
11998 (compute_tag_properties): Ditto.
11999 (set_initial_properties): Ditto.
12000 (compute_call_clobbered): Ditto.
12001 (compute_may_aliases): Call compute_call_clobbered and grouping.
12002 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12003 (compute_flow_insensitive_aliasing): Grouping now happens in our
12005 (setup_pointers_and_addressables): Remove clobbering related code.
12006 (add_may_alias): Ditto.
12007 (replace_may_alias): Ditto.
12008 (get_nmt_for): Ditto.
12009 (create_global_var):
12010 (is_escape_site): Return an escape_type enumeration.
12011 * tree-flow-inline.h (is_call_clobbered): Global var does not
12012 imply call clobbered.
12013 (mark_call_clobbered): Take a reason for marking this. Remove
12014 marking of globalness, and cache invalidation.
12015 (clear_call_clobbered): Remove cache invalidation code.
12016 * tree-dfa.c (dump_variable): If details is on, dump the reason
12018 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12020 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12021 (struct var_ann_d): Ditto.
12022 (enum escape_type): New.
12023 (mark_call_clobbered): Adjust prototype.
12024 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12025 are never call clobbered.
12026 Record reasons for escaping.
12027 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12028 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12029 (ssa_ro_call_cache_valid): Ditto.
12030 (clobbered_v_may_defs): Ditto.
12031 (clobbered_vuses): Ditto.
12032 (ro_call_vuses): Ditto.
12033 (clobber_stats): New.
12034 (init_ssa_operands): Zero out clobber stats.
12035 (fini_ssa_operands): Print out clobber stats.
12036 (get_call_expr_operands): Pass callee fndecl to
12037 add_call_read_ops).
12038 (add_call_clobber_ops): Remove use of cache.
12039 Add use of PURE_CONST information.
12040 (add_call_read_ops): Remove use of cache.
12041 Add use of static not_read information.
12043 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12045 Introduce TLS descriptors for i386 and x86_64.
12046 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12047 (TARGET_ANY_GNU_TLS): New macro.
12048 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12049 (struct machine_function): Add tls_descriptor_call_expanded_p.
12050 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12051 (ix86_current_function_calls_tls_descriptor): Likewise.
12052 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12053 (override_options): Introduce gnu2 tls dialect.
12054 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12056 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12058 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12059 (ix86_init_machine_status): Initialize new field.
12060 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12061 (ix86_tls_module_base): New.
12062 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12063 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12064 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12065 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12066 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12067 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12068 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12069 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12070 * config/i386/predicates.md (tls_modbase_operand): New.
12071 (tp_or_register_operand): New.
12073 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12075 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12076 (look_for_address_of): Ditto.
12077 (ipa_init): Walk the function decls.
12078 (static_execute): Don't set readonly on FUNCTION_DECL's.
12080 2006-01-18 Roger Sayle <roger@eyesopen.com>
12082 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12083 for shifts where the source and destination registers are different.
12085 2006-01-18 Paul Brook <paul@codesourcery.com>
12087 Merge from csl-arm-branch.
12088 2005-03-14 Julian Brown <julian@codesourcery.com>
12089 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12090 (aeabi_llsl): Likewise.
12091 (ashrdi3): Likewise.
12092 (aeabi_lasr): Likewise.
12093 (lshrdi3): Likewise.
12094 (aeabi_llsr): Likewise.
12095 2005-03-10 Julian Brown <julian@codesourcery.com>
12096 * config.gcc: Disable shared libgcc for SymbianOS.
12097 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12099 2006-01-18 DJ Delorie <dj@redhat.com>
12101 * c-pragma.c (handle_pragma_diagnostic): New.
12102 (init_pragma): Register it.
12103 * doc/extend.texi: Document it.
12105 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12106 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12107 (diagnostic_context): Add classify_diagnostic[].
12108 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12109 as errors if they're overridden to DK_WARNING.
12110 (diagnostic_initialize): Initialize classify_diagnostic[].
12111 (diagnostic_set_kind_override): New.
12112 (diagnostic_report_diagnostic): Check for kind changes.
12113 * opts.c (common_handle_option): Take lang_mask. Update callers.
12114 Handle OPT_Werror_.
12115 * common.opt (Werror=): New.
12116 * doc/invoke.texi: Document -Werror=*
12118 2006-01-18 Jeff Law <law@redhat.com>
12120 * tree-vrp.c (test_for_singularity): Correct test for new
12121 min limit. Use operand_equal_p rather than pointer equality
12122 for testing if new min/max values are equal.
12124 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12125 using range information until after propagation and folding.
12127 2006-01-18 Richard Henderson <rth@redhat.com>
12128 Aldy Hernandez <aldyh@redhat.com>
12129 Jakub Jelinek <jakub@redhat.com>
12130 Diego Novillo <dnovillo@redhat.com>
12132 * omp-low.c: New file.
12133 * c-omp.c: New file.
12135 2006-01-18 Richard Henderson <rth@redhat.com>
12136 Jakub Jelinek <jakub@redhat.com>
12137 Diego Novillo <dnovillo@redhat.com>
12139 * doc/invoke.texi: Document -fopenmp.
12140 * tree-dump.h (debug_function): Declare.
12141 * hooks.c (hook_bool_tree_bool_false): New function.
12142 (hook_tree_tree_null): Remove.
12143 (hook_tree_tree_tree_null): New.
12144 * hooks.h: Update to match.
12145 * tree-pretty-print.c (debug_tree_chain): New.
12146 (print_generic_expr): Handle TDF_CHAIN.
12147 (dump_generic_node): Handle BLOCK.
12148 Do not abort with incomplete SWITCH_EXPRs.
12149 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12150 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12151 print space after directive name.
12152 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12153 Handle OMP_MASTER and OMP_ORDERED.
12154 Handle printing of OMP_BODY just in one place, goto
12155 dump_omp_body in the rest of OMP_* nodes that have
12157 Don't handle clause nodes here. Update omp statements to
12158 use dump_omp_clauses.
12159 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12160 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12161 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12162 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12163 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12164 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12165 Adjust output for GOMP_PARALLEL.
12166 (dump_omp_clauses): New.
12167 (print_declaration): Dump DECL_VALUE_EXPR.
12168 (op_symbol_1): Split out of op_symbol.
12169 (dumping_stmts): Remove. Update all users.
12170 * cgraph.c (cgraph_analyze_queue): New.
12171 (cgraph_add_new_function): New.
12172 * cgraph.h (cgraph_analyze_queue): Declare.
12173 (cgraph_add_new_function): Declare.
12174 (cgraph_lower_function): Remove.
12175 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12176 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12177 and TYPE_P nodes in its default clause.
12178 (empty_body_p): New.
12179 (tree_range_check_failed): New.
12180 (build5_stat): New.
12181 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12182 OMP_CLAUSE_REDUCTION_MERGE,
12183 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12184 OMP_CLAUSE_PRIVATE_DEBUG,
12185 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12186 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12187 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12188 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12189 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12190 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12191 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12192 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12193 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12194 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12195 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12196 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12197 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12198 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12199 (TREE_RANGE_CHECK): New.
12200 (empty_body_p): Declare.
12201 (enum omp_clause_default_kind): New.
12202 (build_string_literal): Declare.
12203 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12204 (build5_stat, build5): Declare.
12205 * tree-pass.h (TDF_CHAIN): Define.
12206 * tree-pass.h (PROP_gimple_lomp): Define.
12207 (pass_lower_omp): Declare.
12208 * diagnostic.h (debug_tree_chain): Declare.
12209 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12211 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12212 * builtins.c (build_string_literal): Make extern.
12213 * gcc.c (include_spec_function): New.
12214 (static_spec_functions): Add it.
12215 (main): Move load of libgomp.spec ...
12216 (LINK_COMMAND_SPEC): ... here.
12217 (link_gomp_spec): New.
12218 (static_specs): Include it.
12219 (LINK_COMMAND_SPEC): Add link_gomp.
12220 (GOMP_SELF_SPECS): New.
12221 (driver_self_specs): Include it.
12222 (switch_matches): Don't mark inline.
12223 (main): Load libgomp.spec.
12224 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12225 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12226 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12227 * tree-gimple.h (enum omp_parallel): Declare.
12228 (determine_parallel_type): Declare.
12229 (omp_firstprivatize_variable): Declare.
12230 (omp_reduction_init): Declare.
12231 (diagnose_omp_structured_block_errors): Declare.
12232 (struct walk_stmt_info): Add want_return_expr.
12233 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12234 (find_omp_clause): Declare.
12235 (insert_field_into_struct): Declare.
12236 (struct walk_stmt_info): Move from tree-nested.c
12237 (walk_stmts): Declare.
12238 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12240 * cgraphunit.c (cgraph_lower_function): Make static.
12241 (cgraph_finalize_pending_functions): New.
12242 (cgraph_finalize_function): Call it.
12243 (cgraph_finalize_compilation_unit): Likewise.
12244 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12245 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12246 (BT_FN_UINT_UINT): New.
12247 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12248 DEF_FUNCTION_TYPE_VAR_4): Document.
12249 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12250 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12251 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12252 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12253 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12254 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12255 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12256 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12257 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12258 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12259 into separate files.
12260 (DEF_GOMP_BUILTIN): New.
12261 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12262 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12263 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12264 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12265 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12266 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12267 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12268 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12269 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12270 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12271 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12272 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12273 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12274 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12275 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12276 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12277 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12278 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12279 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12280 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12281 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12282 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12283 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12284 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12285 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12286 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12287 * sync-builtins.def: New file, moved from builtins.def.
12288 * omp-builtins.def: New file, moved from builtins.def.
12289 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12290 * gimple-low.c (lower_function_body): Clear data.
12291 (lower_stmt): Do not handle COMPOUND_EXPR.
12292 Remove call to print_node_brief.
12293 * c-tree.h (c_finish_omp_clauses): New prototype.
12294 (C_DECL_THREADPRIVATE_P): Define.
12295 (lookup_name_no_remap, c_omp_remap_private): Remove
12296 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12297 (check_for_loop_decls): Update decl.
12298 (lookup_name_no_remap, c_omp_remap_private): Declare.
12299 (build_indirect_ref, build_modify_expr, pushdecl,
12300 pushdecl_top_level): Move to c-common.h.
12301 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12302 before the switch, but just in the 2 places that need it.
12303 * c-decl.c (diagnose_mismatched_decls): Do not check for
12304 mismatched thread-local attributes when OLDDECL is marked
12305 threadprivate and NEWDECL has no thread-local attributes.
12306 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12307 (c_gimple_diagnostics_recursively): Rename from
12308 c_warn_unused_result_recursively. Invoke
12309 diagnose_omp_structured_block_errors.
12310 (check_for_loop_decls): Return a singular decl found.
12311 * langhooks.c (lhd_omp_predetermined_sharing): Return
12312 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12313 (lhd_omp_firstprivatize_type_sizes): New.
12314 (lhd_omp_assignment): New.
12315 (lhd_omp_predetermined_sharing): New.
12316 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12317 (struct lang_hooks_for_types): Add
12318 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12319 omp_predetermined_sharing, omp_disregard_value_expr,
12320 omp_private_debug_clause, omp_clause_default_ctor,
12321 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12322 (c_finish_omp_clauses): New.
12323 (c_finish_bc_stmt): Diagnose break within omp for.
12324 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12325 (build_unary_op): Return error_mark after reporting
12327 (build_modify_expr): Likewise.
12328 * gimplify.c: Include optabs.h and pointer-set.h.
12329 (enum gimplify_omp_var_data): Declare.
12330 (struct gimplify_omp_ctx): Declare.
12331 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12333 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12334 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12335 (splay_tree_compare_decl_uid): New.
12336 (new_omp_context): New.
12337 (delete_omp_context): New.
12338 (gimple_add_tmp_var): Call omp_add_variable.
12339 (gimplify_bind_expr): Likewise.
12340 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12341 true, disregard DECL_VALUE_EXPR on the decl if any.
12342 (gimplify_expr_in_ctx): New.
12343 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12344 omp_add_variable, omp_notice_variable, omp_is_private
12345 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12346 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12347 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12348 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12349 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12350 gimplify_omp_atomic): New.
12351 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12352 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12353 OMP_CRITICAL and OMP_ATOMIC.
12354 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12355 * c-pragma.h (enum pragma_kind): Add
12356 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12357 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12358 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12359 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12360 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12361 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12362 PRAGMA_OMP_THREADPRIVATE.
12363 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12364 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12365 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12366 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12367 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12368 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12369 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12370 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12371 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12372 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12373 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12374 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12375 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12377 (struct nesting_info): Add field_map,
12378 suppress_expansion, debug_var_chain.
12379 (create_nesting_tree): Initialize them.
12380 (lookup_field_for_decl): Use field_map.
12381 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12382 (convert_local_omp_clauses): New.
12383 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12384 (walk_body): Split out of walk_function.
12385 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12386 (convert_nonlocal_reference): Handle omp statements.
12387 (convert_local_reference): Likewise.
12388 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12389 (unnest_nesting_tree): New.
12390 (lower_nested_functions): Call it.
12391 (insert_field_into_struct): Make extern.
12392 (struct walk_stmt_info): Move to tree-gimple.h.
12393 (walk_stmts): Make extern.
12394 * omp-builtins.def: New file.
12395 * tree-iterator.c (expr_only): Clarify comment.
12396 * c-common.h (pushdecl_top_level, pushdecl,
12397 build_modify_expr, build_indirect_ref,
12398 c_finish_omp_master, c_finish_omp_critical,
12399 c_finish_omp_ordered, c_finish_omp_barrier,
12400 c_finish_omp_atomic, c_finish_omp_flush,
12401 c_finish_omp_for, c_split_parallel_clauses,
12402 omp_clause_default_kind, c_omp_sharing_predetermined,
12403 c_omp_remap_decl): Declare.
12404 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12405 (OBJS-common): Add omp-low.o.
12406 (c-omp.o, omp-low.o): Add.
12407 (gimplify.o): Add dependency on $(OPTABS_H).
12408 (GTFILES): Add omp-low.c.
12409 (gt-stringpool.h): Add.
12410 * tree-cfg.c (set_bb_for_stmt): Do not update the
12411 block-to-labels map if we are currently expanding to RTL.
12412 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12414 Handle IDENTIFIER_NODE.
12415 (tree_verify_flow_info): Do not ICE when emitting error
12416 messages about invalid labels.
12417 (dump_function_to_file): Reset CFUN before emitting the body
12419 (debug_function): New.
12420 * passes.c (init_optimization_passes): Schedule
12422 * langhooks-def.h (lhd_omp_predetermined_sharing,
12423 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12425 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12426 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12427 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12428 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12429 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12430 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12431 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12432 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12433 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12434 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12435 (LANG_HOOK_DECLS): Use them.
12437 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12438 Richard Henderson <rth@redhat.com>
12439 Jakub Jelinek <jakub@redhat.com>
12440 Diego Novillo <dnovillo@redhat.com>
12442 * c-parser.c (pragma_omp_clause): Define.
12443 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12444 (c_parser_compound_statement): Likewise.
12445 (c_parser_statement): Likewise.
12446 (c_parser_pragma): Handle omp pragmas.
12447 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12448 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12449 (c_parser_omp_clause_name, check_no_duplicate_clause,
12450 c_parser_omp_variable_list,
12451 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12452 c_parser_omp_clause_copyprivate,
12453 c_parser_omp_clause_default,
12454 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12455 c_parser_omp_clause_lastprivate,
12456 c_parser_omp_clause_nowait,
12457 c_parser_omp_clause_num_threads,
12458 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12459 c_parser_omp_clause_reduction,
12460 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12461 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12462 c_parser_omp_atomic, c_parser_omp_barrier,
12463 c_parser_omp_critical, c_parser_omp_flush,
12464 c_parser_omp_for_loop, c_parser_omp_for,
12465 c_parser_omp_master, c_parser_omp_ordered,
12466 c_parser_omp_sections_scope, c_parser_omp_sections,
12467 c_parser_omp_parallel, c_parser_omp_single,
12468 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12469 * c-pragma.c (init_pragma): Do omp pragma registration here.
12470 * c.opt (fopenmp): New flag.
12472 2006-01-18 Eric Christopher <echristo@apple.com>
12474 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12475 * config/darwin.h (GOMP_SELF_SPECS): Define.
12477 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12479 * rtl.h: Remove the prototype for reg_alloc.
12481 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12484 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12485 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12486 sjlj and dwarf2 exception handling.
12487 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12488 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12489 * pa/pa.c (function_value): Treat complex and vector types as
12491 (function_arg): Likewise. Only pass scalar floats in the floating
12492 point argument registers.
12493 * pa/t-slibgcc-dwarf-ver: New file.
12494 * pa/t-slibgcc-sjlj-ver: New file.
12495 * pa/t-slibgcc-elf-ver: Delete file.
12497 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12499 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12500 unlikely_test_section_p test.
12502 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12504 * mode-switching.c (optimize_mode_switching): Make it static.
12505 * basic-block.h: Remove the prototype for
12506 optimize_mode_switching.
12508 * modulo-sched.c (sms_schedule): Make it static.
12509 * rtl.h: Remove the prototype for sms_schedule.
12511 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12512 * rtl.h: Remove the prototype for gcse_after_reload_main.
12514 * reg-stack.c (reg_to_stack): Make it static.
12515 * rtl.h: Remove the prototype for reg_to_stack.
12517 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12519 * rtl.h: Remove the prototypes for regrename_optimize and
12520 copyprop_hardreg_forward.
12522 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12524 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12525 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12526 Test against the appropriate null constant for the mode.
12527 If 'fixup_overlap' is true, swap the operands if they overlap.
12528 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12529 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12530 alpha_split_tmode_pair and adjust for above change.
12531 * config/alpha/alpha.md (movtf_internal): Adjust call to
12532 alpha_split_tfmode_pair and rely on it to swap the operands.
12533 (movti_internal): New insn and post-reload splitter.
12534 (movti): New expander.
12536 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12538 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12541 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12543 * rtlanal.c (global_reg_mentioned_p_1,
12544 global_reg_mentioned_p): Remove.
12545 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12547 * flow.c (initialize_uninitialized_subregs): Make it static.
12548 * rtl.h: Remove the prototype for
12549 initialize_uninitialized_subregs.
12551 * function.c (instantiate_virtual_regs): Make it static.
12552 * function.h: Remove the prototype for
12553 instantiate_virtual_regs.
12555 * regmove.c (regmove_optimize, combine_stack_adjustments):
12557 * rtl.h: Remove the prototypes for regmove_optimize and
12558 combine_stack_adjustments.
12560 2006-01-17 Roger Sayle <roger@eyesopen.com>
12562 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12563 (size_cost): Encode costs in bytes so that a reg-reg addition is
12564 equivalent to COSTS_N_INSNS(1).
12565 (override_options): Use the size_cost.branch_cost as the default
12566 ix86_branch_cost when optimizing for size.
12568 2006-01-18 Ben Elliston <bje@au.ibm.com>
12570 * Makefile.in (D32PBIT_FUNCS): New.
12571 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12572 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12573 D64PBIT_FUNCS and D128PBIT_FUNCS.
12574 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12575 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12577 (decnumber_dep): Define.
12578 * doc/libgcc.texi (Decimal float library routines): New node.
12579 * config/dfp-bit.h, config/dfp-bit.c: New files.
12581 2006-01-18 Ben Elliston <bje@au.ibm.com>
12583 * expr.c (emit_move_change_mode): Always adjust addresses, not
12584 just during reload. Copy replacements only during reload.
12585 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12586 emit_move_via_integer.
12588 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12590 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12591 instead of $(srcdir) and ${srcdir}.
12593 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12596 PR middle-end/11135
12597 * arm.h (struct machine_function): Add pic_reg.
12598 * arm.c (arm_pic_register): Make unsigned.
12599 (arm_override_options): Only set arm_pic_register if
12600 TARGET_SINGLE_PIC_BASE.
12601 (use_return_insn): Only test for a pic register if it is fixed.
12602 (arm_compute_save_reg0_reg12_mask): Likewise.
12603 (thumb_compute_save_reg_mask): Likewise.
12604 (legitimate_pic_operand): Factor out some known invariants.
12605 (legitimize_pic_address): If we don't have a fixed pic register,
12606 then set up a pseudo in the function entry sequence. Handle the
12607 pic base being in a pseudo.
12608 (arm_load_pic_register): Handle the pic register being in a pseudo.
12609 (arm_expand_prologue): Only set up the pic register if it is fixed.
12610 (thumb_expand_prologue): Likewise.
12611 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12612 (pic_load_addr_based_insn): Likewise.
12613 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12616 2006-01-18 Ben Elliston <bje@au.ibm.com>
12618 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12619 decimal float modes for all floating point registers.
12621 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12622 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12624 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12627 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12628 even when the pointer is not NULL.
12630 2006-01-16 Ian Lance Taylor <ian@airs.com>
12632 * common.opt (ftoplevel-reorder): New option.
12633 * cgraph.c (cgraph_asm_nodes): New global variable.
12634 (cgraph_asm_last_node): New static variable.
12635 (cgraph_order): New global variable.
12636 (cgraph_create_node): Set new order field.
12637 (cgraph_varpool_node): Likewise.
12638 (decide_is_variable_needed): Return true if not
12639 flag_toplevel_reorder.
12640 (cgraph_add_asm_node): New function.
12641 * cgraph.h (struct cgraph_node): Add order field.
12642 (struct cgraph_varpool_node): Add order field.
12643 (struct cgraph_asm_node): Define.
12644 (cgraph_asm_nodes, cgraph_order): Declare.
12645 (cgraph_add_asm_node): Declare.
12646 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12648 (cgraph_varpool_assemble_pending_decls): Call it.
12649 (cgraph_output_pending_asms): New static function.
12650 (cgraph_finalize_compilation_unit): Call it.
12651 (struct cgraph_order_sort): Define.
12652 (cgraph_output_in_order): New static function.
12653 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12654 !flag_toplevel_reorder case.
12655 * c-parser.c: Include "cgraph.h".
12656 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12658 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12659 than -fno-unit-at-a-time.
12660 * doc/invoke.texi (Option Summary): Mention
12661 -fno-toplevel-reorder.
12662 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12663 -funit-at-a-time documentation.
12665 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12666 Kazu Hirata <kazu@codesourcery.com>
12668 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12670 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12672 * Makefile.in (FUNCTION_H): New. Use it instead of
12673 function.h throughout the file.
12674 * function.h: Include tree.h.
12676 2006-01-17 Ben Elliston <bje@au.ibm.com>
12678 * recog.c: Separate some functions with whitespace.
12680 2006-01-16 Richard Henderson <rth@redhat.com>
12682 Merge from gomp branch:
12683 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12684 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12685 and rename from struct inline_data. Rename callee* to dst*;
12686 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12687 transform_new_cfg, transform_return_to_modify, and
12688 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12690 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12691 (copy_decl_for_dup): Remove.
12692 * tree-inline.c (struct inline_data): Move to header.
12693 (insert_decl_map): Export.
12694 (remap_decl): Update for member name changes. Use copy_decl hook.
12695 Allow for replacement to be a non-decl. Remove dead code.
12696 (remap_type_1): Check for existing mapping.
12697 (remap_type): Export.
12698 (remap_decls): Update for member name changes.
12699 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12700 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12701 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12702 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12703 (tree_function_versioning, build_duplicate_type): Likewise.
12704 (copy_body_r): Likewise. Export.
12705 (copy_decl_for_dup): Split into ...
12706 (copy_decl_for_dup_finish, copy_decl_to_var,
12707 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12708 (replace_ref_tree, inlining_p): Remove.
12710 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12712 * ifcvt.c (if_convert): Make it static.
12713 * rtl.h: Remove the prototype for if_convert.
12715 * local-alloc.c (local_alloc): Make it static.
12716 * rtl.h: Remove the prototype for local_alloc.
12718 * loop.c (loop_optimize): Make it static.
12719 * cfgloop.h: Remove the prototype for loop_optimize.
12722 2006-01-16 DJ Delorie <dj@redhat.com>
12724 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12727 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12729 * pa.md: Disparage copies between general and floating-point registers
12730 in 32-bit move patterns.
12732 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12735 * Makefile.in (check-%): Depend on site.exp instead of
12736 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12739 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12741 * global.c (global_alloc): Make it static.
12742 * rtl.h: Remove the prototype for global_alloc.
12744 2006-01-16 Richard Guenther <rguenther@suse.de>
12746 * tree-ssa-alias.c (struct used_part): Add write_only field.
12747 (get_or_create_used_part_for): Initialize it to true.
12748 (create_overlap_variables_for): Don't create structure variables
12749 for structures that only are written to.
12750 (find_used_portions): Handle MODIFY_EXPR to track whether a
12751 structure is only written to.
12753 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12755 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12757 * basic-block.h: Remove the prototype for
12758 partition_hot_cold_basic_blocks.
12760 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12762 * cppspec.c (lang_specific_spec_functions): Remove.
12763 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12764 * gcc.h (lang_specific_spec_functions): Remove.
12765 * gccspec.c (lang_specific_spec_functions): Remove.
12767 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12769 * combine.c (record_value_for_reg): Invalidate registers
12771 (record_dead_and_set_regs_1): Likewise, by passing them to
12772 record_value_for_reg.
12773 (record_dead_and_set_regs): Invalidate stores made by a
12774 call. We do not combine across a call, but we still
12775 relied on equivalences.
12777 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12779 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12780 vrp_int_const_binop returning non-constant nodes.
12782 2006-01-16 Paul Brook <paul@codesourcery.com>
12784 * config/m68k/m68k.c (output_move_const_into_data_reg):
12785 Output correct mnemonic for mvz and mvs.
12787 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12789 * rtl-factoring.c: Add sequence abstraction algorithm.
12790 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12791 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12793 (block_has_preserve_label): New function.
12794 * common.opt: Register new pass.
12795 * Makefile.in: Ditto.
12797 * timevar.def: Ditto.
12798 * tree-pass.h: Ditto.
12799 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12800 * rtl.h (make_jump_insn_raw): Add forward decl.
12801 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12803 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12804 Roger Sayle <roger@eyesopen.com>
12806 * fold-const.c (fold_minmax): New static function.
12807 (fold_binary) <MIN_EXPR>: Call it.
12808 <MAX_EXPR>: Likewise.
12809 * stor-layout.c (place_field): Use DECL_SIZE consistently
12810 in the computation of the new record size.
12812 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12814 * cse.c (cse_condition_code_reg): Make it static.
12815 * rtl.h: Remove the prototype for cse_condition_code_reg.
12817 * combine.c (combine_instructions): Make it static.
12818 * rtl.h: Remove the prototype for combine_instructions.
12820 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12823 * tree.c (get_file_function_name_long): Concatenate the first global
12824 object name with a string derived from the input filename of the object
12827 2006-01-16 Ben Elliston <bje@au.ibm.com>
12829 * config/i386/winnt-stubs.c: Update FSF address.
12830 * config/xtensa/ieee754-df.S: Ditto.
12831 * config/xtensa/ieee754-sf.S: Ditto.
12833 2006-01-14 Ian Lance Taylor <ian@airs.com>
12835 * ifcvt.c (noce_init_if_info): New static function, broken out of
12836 noce_process_if_block.
12837 (noce_process_if_block): Call noce_init_if_info.
12838 (check_cond_move_block): New static function.
12839 (cond_move_process_if_block): New static function.
12840 (process_if_block): Call cond_move_process_if_block.
12842 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12844 * cselib.c (hash_table): Rename to cselib_hash_table.
12845 (cselib_clear_table, discard_useless_values,
12846 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12847 cselib_init, cselib_finish): Adjust uses of hash_table.
12849 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12851 PR tree-optimization/25485
12852 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12853 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12854 is known to be false and true, respectively.
12856 2006-01-14 Richard Guenther <rguenther@suse.de>
12858 PR tree-optimization/22548
12859 PR tree-optimization/22555
12860 PR tree-optimization/22501
12861 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12862 * params.def (salias-max-array-elements): New parameter.
12863 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12864 * doc/invoke.texi (salias-max-array-elements): Document.
12865 * tree-flow-inline.h (var_can_have_subvars): We also handle
12867 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12869 * tree-ssa-structalias.c (params.h): Include.
12870 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12871 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12872 (get_constraint_for): For ADDR_EXPR operating on something
12873 containing an ARRAY_REF, add all subvars to the solution.
12874 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12875 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12876 for creating MUST_DEFs.
12877 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12879 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12881 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12883 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12884 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12885 number_of_iterations_le): New functions.
12886 (number_of_iterations_special): Removed.
12887 (number_of_iterations_exit): Do not use number_of_iterations_special.
12888 * tree.c (unsigned_type_for): Always return integer type.
12890 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12891 Richard Guenther <rguenther@suse.de>
12893 PR rtl-optimization/24257
12894 * gcse.c (find_moveable_store): Only consider a store movable
12895 when the SET_SRC of the insn can be assigned to a register.
12897 2006-01-14 Ian Lance Taylor <ian@airs.com>
12899 * tree.c (tree_not_class_check_failed): New function.
12900 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12901 (tree_not_class_check_failed): Declare.
12903 2006-01-13 Ian Lance Taylor <ian@airs.com>
12905 * reload1.c (do_output_reload): Add assertion rejecting a
12908 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12910 * combine.c (struct reg_stat): Add new fields truncation_label and
12912 (record_value_for_reg): Reset truncated_to_mode.
12913 (record_truncated_value): New function.
12914 (check_promoted_subreg): Call it. Rename to check_conversions.
12915 (combine_instructions): Rename check_promoted_subreg to
12917 (reg_truncated_to_mode): New function.
12918 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12919 (gen_lowpart_or_truncate): New function.
12920 (force_to_mode): Use it instead of gen_lowpart.
12922 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12924 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12925 VAR is a tag, not its type tag.
12927 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12929 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12930 alternatives to match style of other entries.
12931 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12933 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12935 PR tree-optimization/25771
12936 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12939 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12942 * tree-inline.c (declare_return_variable): If the return variable
12943 was marked as a non gimple complex, set the return slot variable
12944 to be a non gimple comple variable.
12946 2006-01-13 Richard Guenther <rguenther@suse.de>
12948 * builtins.c (expand_builtin_sincos): New function.
12949 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12951 (expand_builtin): Expand sincos using expand_builtin_sincos.
12953 2006-01-12 DJ Delorie <dj@redhat.com>
12955 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12956 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12957 so that constant shifts can be split.
12958 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12959 (m32c_valid_pointer_mode): Make static.
12960 (shift_gen_func_for): New.
12961 (m32c_prepare_shift): Use it. Split large const shifts into
12963 * config/m32c/predicates.md (shiftcount_operand): Allow more
12965 (longshiftcount_operand): New.
12966 * doc/md.texi (Machine Constraints): Document In6.
12968 2006-01-13 Ben Elliston <bje@au.ibm.com>
12970 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12971 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12974 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12976 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12977 to try to avoid clobbering pieces of structures when we know
12978 something about the whole structure.
12979 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12981 2006-01-13 Ben Elliston <bje@au.ibm.com>
12983 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12984 return in memory, as this is no limitation is no longer present.
12986 2006-01-12 DJ Delorie <dj@redhat.com>
12988 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12989 mova with fb, and for fb+0 -> An.
12991 * config/m32c/mov.md (peephole2): Fix enabling logic.
12993 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12994 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12995 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12996 FINI_ARRAY_SECTION_ASM_OP): Define.
12998 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13000 (m32c_legitimize_reload_address): New logic to reload FB to An.
13001 (m32c_output_reg_push): Add newline.
13002 (m32c_output_reg_pop): Likewise.
13004 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13006 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13008 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13010 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13012 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13014 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13017 2006-01-11 Ben Elliston <bje@au.ibm.com>
13019 * rtlanal.c (find_reg_note): Assert insn is not null.
13021 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13023 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13026 2006-01-11 Jeff Law <law@redhat.com>
13028 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13030 (mark_threaded_blocks, register_jump_thread): New functions.
13031 (thread_through_all_blocks): Remove unwanted argument. No
13032 longer rely on e->aux to communicate thread target info.
13033 Call mark_threaded_blocks. Release the threaded_blocks
13034 bitmap and threaded_edges vector when complete.
13035 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13036 (threaded_blocks): Remove.
13037 (tree_ssa_dominator_optimize): Remove initialization and
13038 finalization of threaded_blocks. Simplify call to
13039 thread_through_all_blocks.
13040 (thread_across_edge): Call register_jump_thread rather than
13041 storing thread information into e->aux.
13042 (free_all_edge_infos): Simplify now that e->aux is no longer
13043 used to communicate with thread_through_all_blocks.
13044 * tree-flow.h (thread_through_all_blocks): Update prototype.
13045 (register_jump_thread): Prototype.
13047 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13049 * df-core.c (df_compact_blocks, df_bb_replace): Use
13050 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13052 2006-01-11 Richard Guenther <rguenther@suse.de>
13054 PR tree-optimization/25734
13055 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13056 stop propagation after successful propagation to the LHS.
13058 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13060 * basic-block.h (control_flow_graph): Change the type of
13061 x_basic_block_info to VEC(basic_block,gc) *.
13062 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13064 (SET_BASIC_BLOCK): New.
13065 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13066 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13067 * cfgbuild.c (find_basic_blocks): Likewise.
13068 * cfglayout.c (fixup_reorder_chain): Likewise.
13069 * cfgrtl.c (create_basic_block_structure,
13070 rtl_create_basic_block): Likewise.
13071 * ifcvt.c (find_if_case_1): Likewise.
13072 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13075 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13077 * Makefile.in: Removed rotted odf.c entry.
13079 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13082 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13083 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13084 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13085 output pattern modifier, not %e.
13086 * config/cris/cris.c (cris_op_str): Update comment about pattern
13088 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13089 before falling through into...
13090 <case 'E'>: Redefined from old 'e' case.
13092 2006-01-11 Jan Hubicka <jh@suse.cz>
13095 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13097 2006-01-11 Jan Hubicka <jh@suse.cz>
13099 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13100 * i386.c (x86_decompose_lea): Kill.
13101 (ix86_rtx_costs): Kill.
13103 2006-01-11 Jan Hubicka <jh@suse.cz>
13105 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13106 * cgraph.h (cgraph_node): Add inline_decl.
13107 (cgraph_insert_node_to_hashtable): Declare.
13108 (save_inline_function_body): Declare.
13109 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13111 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13112 (cgraph_function_versioning): Update call of tree_function_versioning.
13113 (save_inline_function_body): New function.
13114 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13115 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13116 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13117 (cgraph_default_inline_p): Likewise.
13118 (cgraph_decide_inlining_incrementally): Likewise.
13119 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13120 (copy_bb): Kill saving; do updating of clones.
13121 (copy_cfg_body): Kill saving.
13122 (initialize_inlined-parameters): Likewise.
13123 (expand_call_inline): Likewise.
13125 (tree_function_versioning): New parameter "update_clones".
13126 (inlining_p): Kill saving.
13127 * tree-inline.h (tree_function_versioning): Update prototype.
13128 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13131 2006-01-11 Ian Lance Taylor <ian@airs.com>
13133 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13134 Allow undoing set of machine mode.
13135 (do_SUBST): Use enums instead of is_int.
13136 (do_SUBST_MODE): New function.
13137 (SUBST_MODE): New macro.
13138 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13139 reg and trying to replace reg_regno_rtx with a new register.
13140 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13141 (simplify_set): Use SUBST_MODE.
13142 (distribute_notes): Remove code that tried to update reg notes
13143 for regno_reg_rtx changes.
13145 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13147 PR tree-optimization/23109
13148 PR tree-optimization/23948
13149 PR tree-optimization/24123
13151 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13152 * tree-cfg.c (single_noncomplex_succ): New.
13153 * tree-flow.h (single_noncomplex_succ): Declare it.
13154 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13155 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13156 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13157 insert_bb, register_division_in, insert_reciprocals,
13158 replace_reciprocal, free_bb): New.
13159 (execute_cse_reciprocals_1): Rewritten.
13160 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13161 Do not commit any edge insertion. Always compute dominators and
13162 create the allocation pool.
13163 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13164 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13165 * targhooks.c (default_min_divistions_for_recip_mul): New.
13166 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13167 * passes.c (init_optimization_passes): Run recip after tree loop
13169 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13171 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13172 Kenneth Zadeck <zadeck@naturalbridge.com>
13174 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13175 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13176 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13177 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13178 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13179 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13180 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13181 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13182 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13183 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13184 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13185 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13186 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13187 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13188 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13189 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13190 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13191 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13192 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13193 DF_SCAN_POST_ALLOC): New macros.
13194 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13195 df_free_bb_function, df_local_compute_function, df_init_function,
13196 df_dataflow_function, df_confluence_function_0,
13197 df_confluence_function_n, df_transfer_function,
13198 df_finalizer_function, df_free_function, df_dump_problem_function,
13199 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13200 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13201 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13202 df_urec_bb_info, ) New types.
13203 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13205 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13206 df_analyze_simple_change_some_blocks,
13207 df_analyze_simple_change_one_block, df_compact_blocks,
13208 df_bb_replace, df_bb_regno_last_use_find,
13209 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13210 df_insn_regno_def_p, df_find_def, df_find_use,
13211 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13212 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13213 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13214 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13215 debug_df_chain, df_get_dependent_problem, df_chain_create,
13216 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13217 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13218 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13219 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13220 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13221 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13222 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13223 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13224 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13225 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13226 df_reorganize_refs, df_set_state, df_hard_reg_init,
13227 df_read_modify_subreg_p) New public functions.
13228 * df-core.c: The core dataflow solver and glue routines for rtl
13230 (df_init, df_add_problem, df_set_blocks, df_finish,
13231 df_hybrid_search_forward, df_hybrid_search_backward,
13232 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13233 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13234 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13235 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13236 df_reg_defined, df_find_use, df_reg_used, df_dump,
13237 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13238 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13239 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13240 debug_df_useno, reset_df_after_reload): New functions.
13241 * df-scan.c: The scanning fuctions, once in df.c, completely
13242 rewritten so that they now fully model the functionality of
13243 register usage at the backend.
13244 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13245 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13246 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13247 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13248 df_get_artificial_defs, df_get_artificial_uses,
13249 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13250 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13251 df_refs_delete, df_reorganize_refs, df_set_state,
13252 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13253 df_def_record_1, df_defs_record, df_uses_record,
13254 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13255 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13256 df_record_exit_block_uses, df_hard_reg_init): New functions.
13258 * df-problems.c: Seven concrete dataflow problems that use the
13259 scanning in df-scan.c and are solved by the engine in df-core.c.
13260 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13261 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13262 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13263 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13264 df_ru_free_bb_info, df_ru_alloc,
13265 df_ru_bb_local_compute_process_def,
13266 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13267 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13268 df_ru_transfer_function, df_ru_free, df_ru_dump,
13269 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13270 df_rd_free_bb_info, df_rd_alloc,
13271 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13272 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13273 df_rd_transfer_function, df_rd_free, df_rd_dump,
13274 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13275 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13276 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13277 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13278 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13279 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13280 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13281 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13282 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13283 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13284 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13285 df_urec_mark_reg_use_for_earlyclobber,
13286 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13287 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13288 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13289 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13290 df_chain_create_bb_process_use, df_chain_create_bb,
13291 df_chain_finalize, df_chain_free, df_chains_dump,
13292 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13293 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13294 df_reg_lifetime): New functions.
13295 * df.c: Deleted file.
13296 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13297 consistent with new df api.
13298 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13299 rest_of_handle_sms): Ditto.
13300 * web.c (unionfind_union, union_defs, entry_register, web_main):
13302 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13303 invariant_expr_equal_p, find_defs, check_dependencies,
13304 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13305 free_inv_motion_data, move_loop_invariants): Ditto.
13306 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13307 Update dependencies.
13308 (odf.c): Added defective entry that was deleted later in day.
13309 * sched-deps.c (sched_analyze_1): Ditto.
13311 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13313 * tree-ssa-operands.c (get_expr_operands): Record addressable
13314 variables directly. Do not call add_stmt_operands for CONST_DECLs
13316 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13317 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13319 2006-01-11 Ben Elliston <bje@au.ibm.com>
13321 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13322 function returns true in the positive case.
13324 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13327 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13328 for SI, DI, SF and DF modes. Add alternatives to copy between
13329 general and floating point registers to the 32-bit patterns.
13330 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13331 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13332 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13333 generating 64-bit code.
13334 * config/pa/pa.c (output_move_double): Handle copies between general
13335 and floating registers.
13337 2006-01-10 Stuart Hastings <stuart@apple.com>
13339 * config/i386/i386.md (set_got): Update.
13340 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13341 (builtin_setjmp_receiver): Mach-O support.
13342 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13343 (GOT_SYMBOL_NAME): Define.
13344 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13345 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13346 * config/i386/i386.c (override_options): Revise for Darwin.
13347 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13348 support. (darwin_x86_file_end): New. (output_set_got): Add label
13349 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13350 * config/i386/i386-protos.h (output_set_got): Likewise.
13351 * config/darwin.c (machopic_legitimize_pic_address): Update
13354 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13356 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13357 when MODE isn't BLKmode.
13359 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13361 PR rtl-optimization/25367
13362 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13364 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13367 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13368 for a negative bound.
13370 2006-01-10 Richard Guenther <rguenther@suse.de>
13372 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13373 Never override with anything constraint.
13375 2006-01-10 Jan Beulich <jbeulich@novell.com>
13377 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13378 256 bits when optimize_size.
13380 2006-01-10 Jan Beulich <jbeulich@novell.com>
13382 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13384 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13385 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13388 2006-01-10 Ben Elliston <bje@au.ibm.com>
13390 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13392 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13393 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13394 (USE_FP_FOR_ARG): Reject decimal float modes.
13395 (function_arg_advance): Likewise.
13396 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13397 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13398 point types in AltiVec vectors.
13399 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13400 (rs6000_libcall_value): Likewise.
13402 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13404 * config/xtensa/ieee754-df.S: New file.
13405 * config/xtensa/ieee754-sf.S: New file.
13406 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13407 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13408 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13410 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13412 * config/sh/predicates.md (binary_float_operator,
13413 binary_logical_operator, commutative_float_operator,
13414 equality_comparison_operator, greater_comparison_operator,
13415 less_comparison_operator, logical_operator,
13416 noncommutative_float_operator, shift_operator,
13417 symbol_ref_operand, unary_float_operator): Remove redundant
13420 2006-01-09 Jeff Law <law@redhat.com>
13422 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13423 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13424 now unused arguments. Callers updated.
13425 (eliminate_redundant_computations): Remove now unused arguments,
13427 (local_fold): Remove, no longer used.
13428 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13430 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13431 (simplify_cond): New function.
13432 (forward_propagate_into_cond): Call simplify_cond.
13434 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13436 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13437 (*vec_extractv2di_1_sse): New.
13439 2006-01-09 Ben Elliston <bje@au.ibm.com>
13441 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13443 2006-01-08 Richard Guenther <rguenther@suse.de>
13445 * tree-ssa-structalias.c (get_constraint_for): Remove
13446 anyoffset argument.
13447 (get_constraint_for_component_ref): Likewise.
13448 (do_deref): Likewise.
13449 (get_constraint_for): Likewise.
13450 (do_structure_copy): Likewise.
13451 (handle_ptr_arith): Likewise.
13452 (find_func_aliases): Likewise. Remove unused need_anyoffset
13455 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13456 Kaz Kojima <kkojima@gcc.gnu.org>
13458 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13459 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13460 (EXTRA_CONSTRAINT_C16): Remove.
13461 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13462 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13463 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13464 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13465 constants of SHmedia. Handle nested constant expressions of
13467 (andcosts): Fix the costs for SHmedia constants.
13468 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13469 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13470 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13471 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13472 (movv4hi_i, movv2si_i): Likewise.
13473 (movsi_const): Adjust the second operand of ior so to match with
13474 the Csu constraint.
13475 (movdi_const, movdi_const_32bit): Likewise.
13476 (movdi_const_16bit+1): Don't sign-extend LOW.
13477 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13479 (*double_shori): Fix the split condition. Use GEN_INT instead
13480 of get_int_mode calls. Mask lower 16-bit of the argument of
13482 (sym2GOTPLT): Remove.
13483 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13485 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13486 instead of EXTRA_CONSTRAINT_C16.
13488 2006-01-07 Ian Lance Taylor <ian@airs.com>
13489 David Edelsohn <edelsohn@gnu.org>
13491 PR rtl-optimization/25662
13492 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13493 for constant operands instead of simplify_gen_binary.
13494 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13495 after trying simplify_binary_operation
13497 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13499 * tree.c (iterative_hash_expr): Hash decls based on UID.
13501 2006-01-06 Eric Christopher <echristo@apple.com>
13503 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13504 (TARGET_UNWIND_EMIT): Fix spelling.
13505 * target.h (gcc_target): Add except_table_label.
13506 * except.c (output_function_exception_table): Use.
13507 * varasm.c (default_emit_except_table_label): New.
13508 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13510 (asm_out): Add here.
13511 * output.h (default_emit_except_table_label): Prototype.
13512 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13513 * config/darwin.c (darwin_emit_except_table_label): Define.
13514 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13516 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13518 PR tree-optimization/18527
13519 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13520 number_of_iterations_special, number_of_iterations_exit):
13521 Move base and step of an iv to a single structure. Add
13522 no_overflow flag, and use it in # of iterations analysis.
13523 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13524 folded_casts argument.
13525 (simple_iv): Pass base and step in a structure. Set no_overflow
13527 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13528 Evaluate expensiveness of computing # of iterations instead of
13529 the final expression.
13530 * tree-scalar-evolution.h (affine_iv): New structure.
13531 (simple_iv): Declaration changed.
13532 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13533 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13534 find_givs_in_stmt): Changed due to simple_iv change.
13536 2006-01-06 Jeff Law <law@redhat.com>
13539 * tree-cfg.c (bsi_replace): Rename final argument from
13540 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13541 change (stmt -> orig_stmt).
13542 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13543 (bsi_remove): Add new argument. Remove EH information
13545 (verify_eh_throw_table_statements): New function.
13546 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13548 * tree-optimize.c (execute_free_cfg_annotations): Verify
13549 the EH throw statement table after removing annotations.
13550 * except.h (verify_eh_throw_table_statements): Prototype.
13551 * tree-flow.h (bsi_remove): Update prototype.
13552 * tree-vrp.c (remove_range_assertions): Add new argument to
13554 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13555 * tree-complex.c (expand_complex_div_wide): Likewise.
13556 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13557 * tree-tailcall.c (eliminate_tailcall): Likewise.
13558 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13559 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13560 * tree-nrv.c (tree_nrv): Likewise.
13561 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13562 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13563 (combine_blocks): Likewise.
13564 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13565 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13566 (cleanup_control_flow): Likewise.
13567 (remove_forwarder_block): Likewise.
13568 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13569 * tree-sra.c (sra_replace): Likewise.
13570 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13571 (forward_propagate_single_use_vars): Likewise.
13572 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13573 * tree-inline.c (expand_call_inline): Likewise.
13574 * tree-vect-transform.c (vect_transform_loop): Likewise.
13575 * tree-outof-ssa.c (rewrite_trees): Likewise.
13576 * tree-cfg.c (make_goto_expr_edges): Likewise.
13577 (cleanup_dead_labels): Likewise.
13578 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13579 (bsi_move_before, bsi_move_after): Likewise.
13580 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13581 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13583 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13586 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13588 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13589 on non gimple variables. Also add checks at the top for decls and
13591 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13593 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13594 and IMAGPART_EXPR for creating MUST_DEFs.
13595 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13596 and NAME_MEMORY_TAG separately from the DECLs.
13598 2006-01-06 Richard Guenther <rguenther@suse.de>
13600 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13601 annotation, if necessary.
13602 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13603 redundant calls to update_stmt.
13604 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13607 2006-01-05 Richard Henderson <rth@redhat.com>
13609 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13611 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13613 * c-typeck.c: Update copyright date.
13615 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13617 * c-typeck.c (build_c_cast): Always warn when casting
13618 from a pointer to an integer of different size, even if
13619 the node was constant.
13621 2006-01-05 Richard Guenther <rguenther@suse.de>
13623 PR tree-optimization/22555
13624 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13625 if one structure field is an array.
13626 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13627 operands even if we found a subvar, but ignore VOPs in this
13629 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13631 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13633 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13635 PR middle-end/24998
13636 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13638 2006-01-05 Richard Guenther <rguenther@suse.de>
13639 Diego Novillo <dnovillo@redhat.com>
13641 * tree-pass.h (TODO_remove_unused_locals): Define.
13642 * gimple-low.c (expand_var_p, remove_useless_vars,
13643 pass_remove_useless_vars): Remove. Update all users.
13644 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13645 (remove_unused_locals): New function.
13646 * tree-flow.h (remove_unused_locals): Declare.
13647 * passes.c (execute_todo): Call remove_unused_locals if
13648 TODO_remove_unused_locals is set.
13649 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13650 * tree-ssa-dce.c (pass_dce): Likewise.
13651 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13653 2006-01-05 Richard Guenther <rguenther@suse.de>
13655 * tree-flow.h (struct fieldoff): Decompose field to
13656 type, size and decl.
13657 * tree-ssa-alias.c (create_sft): Take type as parameter.
13658 (create_overlap_variables_for): Store type, size and decl
13659 in the fieldoff structure.
13660 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13661 of struct fieldoff.
13662 (push_fields_onto_fieldstack): Likewise.
13663 (create_variable_info_for): Likewise. Use offset for the
13664 SFT name if the decl is not available.
13666 2006-01-04 Paul Brook <paul@codesourcery.com>
13668 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13670 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13672 * lambda-code.c (can_put_in_inner_loop): Relax
13674 (can_put_after_inner_loop): New function.
13675 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13676 (perfect_nestify): Change to make copies and modify uses.
13678 2006-01-04 Richard Henderson <rth@redhat.com>
13680 Merge from gomp branch:
13681 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13682 via integer constant.
13683 (pragma_lex): Remove.
13684 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13685 rather than parsing it.
13686 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13687 handle_pragma_extern_prefix): Add %< %> quotes.
13688 (registered_pragmas): New.
13689 (c_register_pragma_1): New.
13690 (c_register_pragma): Use it.
13691 (c_register_pragma_with_expansion): Likewise.
13692 (c_invoke_pragma_handler): New.
13693 (init_pragma): Use cpp_register_deferred_pragma directly for
13695 * c-pragma.h (enum pragma_kind): New.
13696 (pragma_handler): New.
13697 (c_invoke_pragma_handler): Declare.
13698 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13700 * c-common.h (c_common_pch_pragma): Update decl.
13701 * Makefile.in (c-parser.o): Update dependencies.
13702 (GTFILES): Add c-pragma.h.
13703 * c-parser.c (struct c_token): Add pragma_kind.
13704 (struct c_parser): Add in_pragma.
13705 (c_lex_one_token): Always initialize keyword and pragma_kind.
13706 Extract data for CPP_PRAGMA.
13707 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13708 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13709 Don't allow CPP_PRAGMA_EOL if in_pragma.
13710 (c_parser_consume_pragma): New.
13711 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13712 (c_parser_skip_to_end_of_parameter): Likewise.
13713 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13714 (c_parser_skip_to_pragma_eol): New.
13715 (c_parser_external_declaration): Handle CPP_PRAGMA.
13716 (c_parser_compound_statement_nostart): Likewise.
13717 (c_parser_statement_after_labels): Likewise.
13718 (c_parser_pragma): New.
13719 (pragma_lex): Likewise.
13720 (c_parser_pragma_pch_preprocess): New.
13721 (c_parser_new): Merge into ...
13722 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13724 2006-01-04 Jeff Law <law@redhat.com>
13727 * tree-cfg.c (bsi_replace): Remove the original statement
13728 from the EH throw statement table.
13730 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13732 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13733 make the prototype extern "C" and add throw ().
13736 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13737 and pos non-negative and pos + len <= 32.
13738 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13739 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13740 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13743 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13744 as well as sizes not multiple of component size.
13747 * function.c (instantiate_expr): New function.
13748 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13749 walk its DECL_VALUE_EXPR with instantiate_expr.
13751 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13752 DW_OP_deref{,_size} if address isn't going to be added.
13754 2006-01-04 Ben Elliston <bje@au.ibm.com>
13756 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13757 * config/fp-bit.c: Likewise.
13759 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13761 * dominance.c: Add comment about why we use DFS numbering
13764 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13765 Richard Henderson <rth@redhat.com>
13767 Merge from gomp-branch:
13768 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13769 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13771 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13773 PR rtl-optimization/25578
13774 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13775 pass a parameter to simplify_shift_const if changing ASHIFTRT
13778 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13780 * builtins.c (get_builtin_sync_mem): New function.
13781 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13782 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13783 Call get_builtin_sync_mem to generate mem rtx.
13785 2006-01-03 Richard Guenther <rguenther@suse.de>
13788 * stmt.c (add_case_node): Make sure to clear overflow flags
13791 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13793 Merge from gomp-branch.
13794 * config/sparc/sync.md: New file.
13795 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13796 UNSPECV_LDSTUB): New constants.
13797 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13798 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13799 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13802 2006-01-03 Roger Sayle <roger@eyesopen.com>
13804 * combine.c (reg_subword_p): New predicate to test whether the
13805 destination of a set refers to a subword/piece of a register.
13806 (try_combine): Generalize the code to merge the setting of a
13807 pseudo to a constant followed by a set of a subword of that
13808 register to a constant.
13810 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13812 * basic-block.h (control_flow_graph): Change the type of
13813 x_label_to_block_map to VEC(basic_block,gc) *.
13814 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13815 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13817 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13818 VEC(basic_block,heap) *.
13819 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13820 ssa_prop_fini): Adjust the uses of cfg_blocks.
13822 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13824 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13826 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13827 hashing trees instead of a pointer hash.
13828 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13829 compare for MEM_EXPR.
13831 PR rtl-optimization/25130
13832 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13833 when comparing MEMs for GCSE
13835 2006-01-03 Ben Elliston <bje@au.ibm.com>
13837 * targhooks.h (default_decimal_float_supported_p): Declare.
13838 * targhooks.c (default_decimal_float_supported_p): Define.
13839 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13840 `default_decimal_float_supported_p'.
13841 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13843 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13845 * combine.c (apply_distributive_law <SUBREG>): Check
13846 TRULY_NOOP_TRUNCATION.
13848 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13850 * dwarf2out.c (have_switched_text_section): Delete.
13851 (have_multiple_function_sections): New.
13852 (have_location_lists): Make 'bool'.
13853 (add_AT_loc_list): Use 'true' not '1'.
13854 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13855 (output_loc_list): Use have_multiple_function_sections.
13856 (output_ranges): Likewise.
13857 (dwarf2out_begin_function): Set have_multiple_function_sections if
13859 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13860 Check function_section rather than DECL_SECTION_NAME.
13861 (dwarf2out_finish): Use have_multiple_function_sections.
13862 Don't clear have_location_lists.
13864 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13865 Jan Hubicka <jh@suse.cz>
13867 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13868 case of conditional jump jumping to the next instruction.
13869 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13870 cases of conditional jump jumping to the next instruction.
13872 2006-01-02 Jan Hubicka <jh@suse.cz>
13874 * i386.c (*_cost): Add COSTS_N_INSNS.
13875 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13877 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13880 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13882 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13884 * config/arm/arm.c (all_fpus): Fix comment typo.
13885 * config/darwin.c: Likewise.
13886 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13887 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13888 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13890 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13892 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13893 (rs6000_split_compare_and_swapqhi): New.
13894 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13895 (sync_compare_and_swapqhi_internal): New.
13896 * config/rs6000/rs6000-protos.h: Declare.